首页 > 最新文献

Robotics and Computer-integrated Manufacturing最新文献

英文 中文
Dual-service combination optimization of manufacturing and logistics: models for self-managed and third-party logistics in cloud manufacturing 制造与物流双服务组合优化:云制造下的自营物流与第三方物流模式
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-29 DOI: 10.1016/j.rcim.2025.103178
Chunhua Tang , Shuangyao Zhao , Ting Huang , Mark Goh
Service combination (SC) is a critical technique in cloud manufacturing, enabling the integration of multiple services to deliver value-added solutions. Logistics plays a pivotal role in SC by ensuring seamless coordination across various manufacturing stages, thereby maximizing the efficiency of production flows. This implies that the SC process must integrate both manufacturing services (MSs) and logistics services (LSs) to determine the optimal combination strategy. Prior research has focused mainly on MS performance, often overlooking the critical impact of logistics on SC outcomes. Although some studies have incorporated logistics considerations, they have largely treated logistics attributes as secondary components of MS evaluations or adopted linear aggregation methods to jointly configure MSs and LSs. These approaches fail to capture the dynamic nature of logistics performance and the interdependencies between MSs and LSs. To address these gaps, this study develops two optimization models for SC that integrate both MSs and LSs, tailored for self-managed and third-party logistics modes. In particular, an innovative bi-level optimization model is introduced to capture the sequential dependencies and dynamic interactions between MSs and LSs in logistics outsourcing, ensuring seamless integration. The upper level focuses on optimizing the MS selection, while the lower level identifies the optimal LSs based on the determined MSs. Improved genetic algorithms incorporating adaptive and parallel mechanisms are developed to address the models, dynamically adjusting parameters to improve solution accuracy and efficiency. Case studies and numerical experiments validate the effectiveness of the proposed models and algorithms, offering actionable managerial insights grounded in the results.
服务组合(SC)是云制造中的一项关键技术,可以集成多个服务以提供增值解决方案。物流在供应链中发挥着关键作用,确保了各个制造阶段的无缝协调,从而最大限度地提高了生产流程的效率。这意味着供应链过程必须整合制造服务(MSs)和物流服务(LSs),以确定最佳的组合策略。先前的研究主要集中在供应链绩效上,往往忽略了物流对供应链结果的关键影响。尽管一些研究纳入了物流方面的考虑,但它们在很大程度上将物流属性作为MS评估的次要组成部分,或采用线性聚合方法共同配置MS和ls。这些方法未能捕捉到物流绩效的动态性质以及物流服务提供商和物流服务提供商之间的相互依赖关系。为了解决这些差距,本研究针对自主管理和第三方物流模式开发了两种集成了物流管理和物流服务的物流管理优化模型。特别是,引入了创新的双层优化模型,以捕获物流外包中物流服务提供商和物流服务提供商之间的顺序依赖关系和动态交互,确保无缝集成。上层侧重于优化质谱选择,下层则根据确定的质谱识别出最优的质谱。采用改进的遗传算法,结合自适应和并行机制来求解模型,动态调整参数以提高求解精度和效率。案例研究和数值实验验证了所提出的模型和算法的有效性,提供了基于结果的可操作的管理见解。
{"title":"Dual-service combination optimization of manufacturing and logistics: models for self-managed and third-party logistics in cloud manufacturing","authors":"Chunhua Tang ,&nbsp;Shuangyao Zhao ,&nbsp;Ting Huang ,&nbsp;Mark Goh","doi":"10.1016/j.rcim.2025.103178","DOIUrl":"10.1016/j.rcim.2025.103178","url":null,"abstract":"<div><div>Service combination (SC) is a critical technique in cloud manufacturing, enabling the integration of multiple services to deliver value-added solutions. Logistics plays a pivotal role in SC by ensuring seamless coordination across various manufacturing stages, thereby maximizing the efficiency of production flows. This implies that the SC process must integrate both manufacturing services (MSs) and logistics services (LSs) to determine the optimal combination strategy. Prior research has focused mainly on MS performance, often overlooking the critical impact of logistics on SC outcomes. Although some studies have incorporated logistics considerations, they have largely treated logistics attributes as secondary components of MS evaluations or adopted linear aggregation methods to jointly configure MSs and LSs. These approaches fail to capture the dynamic nature of logistics performance and the interdependencies between MSs and LSs. To address these gaps, this study develops two optimization models for SC that integrate both MSs and LSs, tailored for self-managed and third-party logistics modes. In particular, an innovative bi-level optimization model is introduced to capture the sequential dependencies and dynamic interactions between MSs and LSs in logistics outsourcing, ensuring seamless integration. The upper level focuses on optimizing the MS selection, while the lower level identifies the optimal LSs based on the determined MSs. Improved genetic algorithms incorporating adaptive and parallel mechanisms are developed to address the models, dynamically adjusting parameters to improve solution accuracy and efficiency. Case studies and numerical experiments validate the effectiveness of the proposed models and algorithms, offering actionable managerial insights grounded in the results.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"99 ","pages":"Article 103178"},"PeriodicalIF":11.4,"publicationDate":"2025-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145614037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From drawings to decisions: A hybrid vision-language framework for parsing 2D engineering drawings into structured manufacturing knowledge 从图纸到决策:用于将2D工程图纸解析为结构化制造知识的混合视觉语言框架
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-28 DOI: 10.1016/j.rcim.2025.103186
Muhammad Tayyab Khan , Lequn Chen , Zane Yong , Jun Ming Tan , Wenhe Feng , Seung Ki Moon
Efficient and accurate extraction of key information from 2D engineering drawings is essential for advancing digital manufacturing workflows. This information includes elements such as geometric dimensioning and tolerancing (GD&T), measures, material specifications, and textual annotations. Manual extraction remains slow and labor-intensive, while generic optical character recognition (OCR) models often fail to interpret 2D drawings accurately due to complex layouts, engineering symbols, and rotated annotations. These limitations result in incomplete and unreliable outputs. To address these challenges, this paper proposes a hybrid vision-language framework that integrates a rotation-aware object detection model (YOLOv11-obb) with a transformer-based vision-language parser. We introduce a structured parsing pipeline that first applies YOLOv11-obb to localize annotations and extract oriented bounding box (OBB) image patches, which are subsequently parsed into structured outputs using a fine-tuned, lightweight vision-language model (VLM). To develop and evaluate this pipeline, we curate a dataset of 1367 2D mechanical drawings manually annotated across nine key categories: GD&Ts, General Tolerances, Measures, Materials, Notes, Radii, Surface Roughness, Threads, and Title Blocks. YOLOv11-obb is trained on this dataset to detect OBBs and extract annotation patches. These image patches are then parsed using two fine-tuned open-source VLMs. The first is Donut, a transformer-based model that combines a Swin-B visual encoder with a BART text decoder, enabling end-to-end parsing directly from images without relying on OCR. The second is Florence-2, a prompt-driven encoder–decoder model that integrates a DaViT vision backbone and supports structured output generation through multimodal token alignment. Both models are lightweight and well-suited for specialized industrial tasks under limited computational overhead. Following fine-tuning of both models on the curated dataset of image patches paired with structured annotation labels, a comparative experiment is conducted to evaluate parsing performance across four key metrics. Donut outperforms Florence-2, achieving 89.2 % precision, 99.2 % recall, and a 94 % F1-score, with a hallucination rate of 10.8 %. Finally, a case study demonstrates how the extracted structured information supports downstream manufacturing tasks such as process and tool selection, showcasing the practical utility of the proposed framework in modernizing 2D drawing interpretation.
从2D工程图纸中高效准确地提取关键信息对于推进数字化制造工作流程至关重要。这些信息包括几何尺寸和公差(gdt)、测量、材料规格和文本注释等元素。人工提取仍然是缓慢和劳动密集型的,而一般的光学字符识别(OCR)模型往往不能准确地解释2D图纸,因为复杂的布局,工程符号,和旋转的注释。这些限制导致输出不完整和不可靠。为了解决这些挑战,本文提出了一种混合视觉语言框架,该框架将旋转感知对象检测模型(YOLOv11-obb)与基于转换器的视觉语言解析器集成在一起。我们引入了一个结构化解析管道,该管道首先应用YOLOv11-obb来定位注释并提取面向边界框(OBB)图像补丁,随后使用微调的轻量级视觉语言模型(VLM)将其解析为结构化输出。为了开发和评估这一管道,我们整理了一个1367张2D机械图纸的数据集,这些图纸手动标注了9个关键类别:gds、一般公差、测量、材料、注释、半径、表面粗糙度、螺纹和标题块。YOLOv11-obb在此数据集上进行训练,检测obb并提取标注补丁。然后使用两个经过微调的开源vlm解析这些图像补丁。第一个是Donut,一个基于转换器的模型,它结合了swing -b视觉编码器和BART文本解码器,可以直接从图像进行端到端解析,而不依赖于OCR。第二个是Florence-2,这是一个提示驱动的编码器-解码器模型,它集成了DaViT视觉主干,并通过多模态令牌对齐支持结构化输出生成。这两种模型都是轻量级的,非常适合计算开销有限的专门工业任务。在对两种模型在与结构化注释标签配对的图像补丁的策划数据集上进行微调之后,进行了一个比较实验,以评估四个关键指标的解析性能。Donut优于Florence-2,准确率为89.2%,召回率为99.2%,f1得分为94%,幻觉率为10.8%。最后,一个案例研究展示了提取的结构化信息如何支持下游制造任务,如工艺和工具选择,展示了所提出的框架在现代化2D绘图解释中的实际用途。
{"title":"From drawings to decisions: A hybrid vision-language framework for parsing 2D engineering drawings into structured manufacturing knowledge","authors":"Muhammad Tayyab Khan ,&nbsp;Lequn Chen ,&nbsp;Zane Yong ,&nbsp;Jun Ming Tan ,&nbsp;Wenhe Feng ,&nbsp;Seung Ki Moon","doi":"10.1016/j.rcim.2025.103186","DOIUrl":"10.1016/j.rcim.2025.103186","url":null,"abstract":"<div><div>Efficient and accurate extraction of key information from 2D engineering drawings is essential for advancing digital manufacturing workflows. This information includes elements such as geometric dimensioning and tolerancing (GD&amp;T), measures, material specifications, and textual annotations. Manual extraction remains slow and labor-intensive, while generic optical character recognition (OCR) models often fail to interpret 2D drawings accurately due to complex layouts, engineering symbols, and rotated annotations. These limitations result in incomplete and unreliable outputs. To address these challenges, this paper proposes a hybrid vision-language framework that integrates a rotation-aware object detection model (YOLOv11-obb) with a transformer-based vision-language parser. We introduce a structured parsing pipeline that first applies YOLOv11-obb to localize annotations and extract oriented bounding box (OBB) image patches, which are subsequently parsed into structured outputs using a fine-tuned, lightweight vision-language model (VLM). To develop and evaluate this pipeline, we curate a dataset of 1367 2D mechanical drawings manually annotated across nine key categories: GD&amp;Ts, General Tolerances, Measures, Materials, Notes, Radii, Surface Roughness, Threads, and Title Blocks. YOLOv11-obb is trained on this dataset to detect OBBs and extract annotation patches. These image patches are then parsed using two fine-tuned open-source VLMs. The first is Donut, a transformer-based model that combines a Swin-B visual encoder with a BART text decoder, enabling end-to-end parsing directly from images without relying on OCR. The second is Florence-2, a prompt-driven encoder–decoder model that integrates a DaViT vision backbone and supports structured output generation through multimodal token alignment. Both models are lightweight and well-suited for specialized industrial tasks under limited computational overhead. Following fine-tuning of both models on the curated dataset of image patches paired with structured annotation labels, a comparative experiment is conducted to evaluate parsing performance across four key metrics. Donut outperforms Florence-2, achieving 89.2 % precision, 99.2 % recall, and a 94 % F1-score, with a hallucination rate of 10.8 %. Finally, a case study demonstrates how the extracted structured information supports downstream manufacturing tasks such as process and tool selection, showcasing the practical utility of the proposed framework in modernizing 2D drawing interpretation.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"99 ","pages":"Article 103186"},"PeriodicalIF":11.4,"publicationDate":"2025-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145614041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Novel Pivot-Move Strategy for Dual-Robot Manipulator Additive Manufacturing: Enabling Collision Avoidance without Halting Deposition 双机器人机械臂增材制造的一种新型支点移动策略:避免碰撞而不停止沉积
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-27 DOI: 10.1016/j.rcim.2025.103177
C.L. Li , Y.C. Jiao , K. Ren , N. Liu , Y.F. Zhang
Robot-assisted additive manufacturing (AM) has been gaining increasing popularity due to its great flexibility and reachability. Moreover, an AM system with dual deposition-heads held by robot manipulators would significantly shorten the building time, especially for large-scale parts. However, motion planning (MP) for the dual robot manipulators AM is highly challengeable due to various constraints imposed by the setup and the AM process aiming to improve the qualities of the component, e.g., maintaining travelling speed and posture of the deposition head and avoiding collision. In this paper, a novel pivot-move strategy is proposed for MP in AM with dual robot manipulators. Given the sequenced deposition toolpath segments to each deposition head, an initial MP solution including robot configuration at each time sample waypoint is firstly generated for each robot manipulator, respectively. This is followed by conducting a check-and-correct process at each waypoint, where the collision among the links of two robot manipulators is identified and corrected. Specially, the robot manipulator is designed to simultaneously pivot and move to avoid the collision while maintaining the traveling speed unchanged. Numerical simulation, physical implementation, and benchmarking were conducted to exhibit a 78.295% deposition time reduction and high-quality deposition with the developed strategy. To the best of the authors' knowledge, this study represents the pioneering effort in addressing the collision issue in dual robot manipulators depositing on the same heated bed, achieving collision avoidance without interrupting the ongoing deposition process. It can be a valuable supplement to the state of the art in this area.
机器人辅助增材制造(AM)由于其巨大的灵活性和可达性而越来越受欢迎。此外,一个具有双沉积头的增材制造系统,由机器人机械手握住,将大大缩短建造时间,特别是对于大型零件。然而,由于设置和增材制造过程施加的各种限制,双机器人机械手增材制造的运动规划(MP)具有很高的挑战性,这些限制旨在提高组件的质量,例如,保持沉积头的移动速度和姿态,并避免碰撞。本文提出了一种新的双机械手增材制造中MP的支点移动策略。给定每个沉积头的顺序沉积刀具路径段,首先为每个机器人机械手分别生成包含每个时间样本路径点的机器人配置的初始MP解。随后,在每个航路点进行检查和纠正过程,在此过程中,两个机器人操纵器之间的链接之间的碰撞被识别和纠正。特别地,机器人机械手被设计为在保持行进速度不变的情况下同时转动和移动以避免碰撞。数值模拟、物理实现和基准测试表明,采用所开发的策略,沉积时间缩短78.295%,沉积质量高。据作者所知,这项研究代表了解决在同一加热床上沉积的双机器人操纵器碰撞问题的开创性努力,在不中断正在进行的沉积过程的情况下实现了碰撞避免。它可以成为这一领域最新技术的有价值的补充。
{"title":"A Novel Pivot-Move Strategy for Dual-Robot Manipulator Additive Manufacturing: Enabling Collision Avoidance without Halting Deposition","authors":"C.L. Li ,&nbsp;Y.C. Jiao ,&nbsp;K. Ren ,&nbsp;N. Liu ,&nbsp;Y.F. Zhang","doi":"10.1016/j.rcim.2025.103177","DOIUrl":"10.1016/j.rcim.2025.103177","url":null,"abstract":"<div><div>Robot-assisted additive manufacturing (AM) has been gaining increasing popularity due to its great flexibility and reachability. Moreover, an AM system with dual deposition-heads held by robot manipulators would significantly shorten the building time, especially for large-scale parts. However, motion planning (MP) for the dual robot manipulators AM is highly challengeable due to various constraints imposed by the setup and the AM process aiming to improve the qualities of the component, e.g., maintaining travelling speed and posture of the deposition head and avoiding collision. In this paper, a novel pivot-move strategy is proposed for MP in AM with dual robot manipulators. Given the sequenced deposition toolpath segments to each deposition head, an initial MP solution including robot configuration at each time sample waypoint is firstly generated for each robot manipulator, respectively. This is followed by conducting a check-and-correct process at each waypoint, where the collision among the links of two robot manipulators is identified and corrected. Specially, the robot manipulator is designed to simultaneously pivot and move to avoid the collision while maintaining the traveling speed unchanged. Numerical simulation, physical implementation, and benchmarking were conducted to exhibit a 78.295% deposition time reduction and high-quality deposition with the developed strategy. To the best of the authors' knowledge, this study represents the pioneering effort in addressing the collision issue in dual robot manipulators depositing on the same heated bed, achieving collision avoidance without interrupting the ongoing deposition process. It can be a valuable supplement to the state of the art in this area.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"99 ","pages":"Article 103177"},"PeriodicalIF":11.4,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145611798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A robotic framework for high-throughput and multi-view 3D digital image correlation (3D-DIC): Increasing measurement volume and versatility for deformation analysis 用于高通量和多视图3D数字图像相关(3D- dic)的机器人框架:增加变形分析的测量量和多功能性
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-26 DOI: 10.1016/j.rcim.2025.103187
Özgüç Bertuğ Çapunaman , Alale Mohseni , Dennis Dombrovskij , Kaiyang Yin , Benay Gürsoy , Max David Mylo
Three-dimensional digital image correlation (3D-DIC) is a widely applicable, non-contact optical imaging technique for accurately quantifying full-field surface displacements and strains in materials and structures. However, conventional 3D-DIC implementations relying on fixed stereo camera positions face trade-offs between the field-of-view and spatial resolution and lack high-throughput for long-duration measurements. Here we present an integrated robotic 3D-DIC framework that employs an industrial robotic arm to autonomously and repeatedly reposition stereo cameras. This enables automated calibration, monitoring of multiple samples over extended periods, and expansion of the effective spatial coverage and data throughput, all while maintaining calibration stability and measurement fidelity. We validate this approach on rigid and deforming reference samples and demonstrate its ability to quantify material deformation of bio-composite samples simultaneously during the drying process. Under robotic repositioning, rigid samples exhibit stable displacement and strain measurements while benefiting from significantly increased volumetric coverage and reduced manual oversight. Thus, the proposed system improves experimental efficiency and allows for the incorporation of advanced techniques, such as multi-view stitching, to characterize complex geometries with higher effective resolution. When applied to slowly deforming bio-composites, the system can capture time-lapse images from multiple viewpoints, providing a more comprehensive assessment of complex, evolving material behaviors. These enhancements in 3D-DIC further improve geometric accuracy, increase data density, and expand applicability to a broader range of materials and experimental conditions. Ultimately, the proposed robot-assisted 3D-DIC system creates a robust, high-throughput monitoring framework for bio-fabrication, additive manufacturing, and advanced composite processing, paving the way for targeted programming of shape changes, among other applications.
三维数字图像相关(3D-DIC)是一种应用广泛的非接触式光学成像技术,用于精确量化材料和结构的全场表面位移和应变。然而,传统的3D-DIC实现依赖于固定的立体摄像机位置,面临着视场和空间分辨率之间的权衡,并且缺乏长时间测量的高通量。在这里,我们提出了一个集成的机器人3D-DIC框架,它采用工业机械臂来自主地反复重新定位立体摄像机。这可以实现自动校准,长时间监测多个样品,扩大有效的空间覆盖和数据吞吐量,同时保持校准稳定性和测量保真度。我们在刚性和变形参考样品上验证了这种方法,并证明了它在干燥过程中同时量化生物复合材料样品的材料变形的能力。在机器人重新定位下,刚性样品表现出稳定的位移和应变测量,同时受益于显著增加的体积覆盖和减少人工监督。因此,所提出的系统提高了实验效率,并允许结合先进的技术,如多视图拼接,以更高的有效分辨率表征复杂的几何形状。当应用于缓慢变形的生物复合材料时,该系统可以从多个视点捕获延时图像,从而对复杂的、不断变化的材料行为提供更全面的评估。3D-DIC的这些增强功能进一步提高了几何精度,增加了数据密度,并扩展了对更广泛的材料和实验条件的适用性。最终,提出的机器人辅助3D-DIC系统为生物制造、增材制造和先进复合材料加工创造了一个强大的、高通量的监测框架,为有针对性的形状变化编程铺平了道路,以及其他应用。
{"title":"A robotic framework for high-throughput and multi-view 3D digital image correlation (3D-DIC): Increasing measurement volume and versatility for deformation analysis","authors":"Özgüç Bertuğ Çapunaman ,&nbsp;Alale Mohseni ,&nbsp;Dennis Dombrovskij ,&nbsp;Kaiyang Yin ,&nbsp;Benay Gürsoy ,&nbsp;Max David Mylo","doi":"10.1016/j.rcim.2025.103187","DOIUrl":"10.1016/j.rcim.2025.103187","url":null,"abstract":"<div><div>Three-dimensional digital image correlation (3D-DIC) is a widely applicable, non-contact optical imaging technique for accurately quantifying full-field surface displacements and strains in materials and structures. However, conventional 3D-DIC implementations relying on fixed stereo camera positions face trade-offs between the field-of-view and spatial resolution and lack high-throughput for long-duration measurements. Here we present an integrated robotic 3D-DIC framework that employs an industrial robotic arm to autonomously and repeatedly reposition stereo cameras. This enables automated calibration, monitoring of multiple samples over extended periods, and expansion of the effective spatial coverage and data throughput, all while maintaining calibration stability and measurement fidelity. We validate this approach on rigid and deforming reference samples and demonstrate its ability to quantify material deformation of bio-composite samples simultaneously during the drying process. Under robotic repositioning, rigid samples exhibit stable displacement and strain measurements while benefiting from significantly increased volumetric coverage and reduced manual oversight. Thus, the proposed system improves experimental efficiency and allows for the incorporation of advanced techniques, such as multi-view stitching, to characterize complex geometries with higher effective resolution. When applied to slowly deforming bio-composites, the system can capture time-lapse images from multiple viewpoints, providing a more comprehensive assessment of complex, evolving material behaviors. These enhancements in 3D-DIC further improve geometric accuracy, increase data density, and expand applicability to a broader range of materials and experimental conditions. Ultimately, the proposed robot-assisted 3D-DIC system creates a robust, high-throughput monitoring framework for bio-fabrication, additive manufacturing, and advanced composite processing, paving the way for targeted programming of shape changes, among other applications.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"99 ","pages":"Article 103187"},"PeriodicalIF":11.4,"publicationDate":"2025-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145595008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A lightweight object detection approach for precision gripping in multiple peg-in-hole assembly tasks 一种用于多孔钉装配任务中精确夹持的轻量目标检测方法
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-21 DOI: 10.1016/j.rcim.2025.103185
Jianjun Jiao , Zonggang Li , Guangqing Xia , Guoping Wang , Yinjuan Chen , Ruibing Gao
Automating product assembly using manipulators in manufacturing remains challenging. This is mainly because detection and gripping prior to component assembly still depend heavily on manual operations and traditional teaching methods, resulting in a low overall level of automation. The primary difficulty in detection and gripping arises from the precise recognition of rotation angles and the complex demands for accuracy, real-time performance, and stability. This paper presents an improved lightweight model, IDPC-YOLOv8, for multiple peg-in-hole workpiece detection and gripping to address these challenges. The proposed approach integrates adaptive image preprocessing to enhance visual clarity under varying lighting conditions and employs an efficient network architecture that jointly exploits global and local features to improve detection precision and computational efficiency. In addition, a rotation-aware detection strategy is introduced to enable accurate prediction of object orientation. Moreover, a network optimization scheme further reduces model parameters, making the system suitable for real-time deployment. Experimental results reveal that the IDPC-YOLOv8 model achieves an accuracy of 97.8% and a detection speed of 126.59 FPS, representing improvements of 4% and 8.3%, respectively, over the original YOLOv8-OBB model. Compared to several state-of-the-art rotation detection models, IDPC-YOLOv8 demonstrates superior integration and generalization capabilities. The effectiveness of the proposed method is further validated through excellent gripping success rates achieved in real-world experiments using the AUBO-i5 manipulator.
在制造中使用机械手自动化产品装配仍然具有挑战性。这主要是因为组件组装前的检测和抓取仍然严重依赖人工操作和传统的教学方法,导致整体自动化水平较低。检测和抓握的主要困难来自旋转角度的精确识别以及对精度、实时性和稳定性的复杂要求。本文提出了一种改进的轻量级模型IDPC-YOLOv8,用于多个孔内钉工件检测和夹持,以解决这些挑战。该方法集成了自适应图像预处理以增强不同光照条件下的视觉清晰度,并采用高效的网络架构,共同利用全局和局部特征来提高检测精度和计算效率。此外,还引入了一种旋转感知检测策略,以实现对目标方向的准确预测。此外,网络优化方案进一步减少了模型参数,使系统适合实时部署。实验结果表明,IDPC-YOLOv8模型的准确率为97.8%,检测速度为126.59 FPS,比原YOLOv8-OBB模型分别提高了4%和8.3%。与几种最先进的旋转检测模型相比,IDPC-YOLOv8展示了卓越的集成和泛化能力。通过AUBO-i5机械手在实际实验中取得的优异抓取成功率,进一步验证了所提出方法的有效性。
{"title":"A lightweight object detection approach for precision gripping in multiple peg-in-hole assembly tasks","authors":"Jianjun Jiao ,&nbsp;Zonggang Li ,&nbsp;Guangqing Xia ,&nbsp;Guoping Wang ,&nbsp;Yinjuan Chen ,&nbsp;Ruibing Gao","doi":"10.1016/j.rcim.2025.103185","DOIUrl":"10.1016/j.rcim.2025.103185","url":null,"abstract":"<div><div>Automating product assembly using manipulators in manufacturing remains challenging. This is mainly because detection and gripping prior to component assembly still depend heavily on manual operations and traditional teaching methods, resulting in a low overall level of automation. The primary difficulty in detection and gripping arises from the precise recognition of rotation angles and the complex demands for accuracy, real-time performance, and stability. This paper presents an improved lightweight model, IDPC-YOLOv8, for multiple peg-in-hole workpiece detection and gripping to address these challenges. The proposed approach integrates adaptive image preprocessing to enhance visual clarity under varying lighting conditions and employs an efficient network architecture that jointly exploits global and local features to improve detection precision and computational efficiency. In addition, a rotation-aware detection strategy is introduced to enable accurate prediction of object orientation. Moreover, a network optimization scheme further reduces model parameters, making the system suitable for real-time deployment. Experimental results reveal that the IDPC-YOLOv8 model achieves an accuracy of 97.8% and a detection speed of 126.59 FPS, representing improvements of 4% and 8.3%, respectively, over the original YOLOv8-OBB model. Compared to several state-of-the-art rotation detection models, IDPC-YOLOv8 demonstrates superior integration and generalization capabilities. The effectiveness of the proposed method is further validated through excellent gripping success rates achieved in real-world experiments using the AUBO-i5 manipulator.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103185"},"PeriodicalIF":11.4,"publicationDate":"2025-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145567450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robotic disassembly of snap-fit plug connectors in end-of-life electric vehicle batteries 机器人拆卸报废电动汽车电池中的卡扣式插头连接器
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-21 DOI: 10.1016/j.rcim.2025.103183
Jun Huang , Quanyong Huang , Yuqin Zeng , Muyao Tan , Zhenfeng Peng , Huawei Song , Xiuyi Ao , Duc Pham
Disassembly is the first step in the remanufacturing of End-of-Life (EoL) Electric Vehicle (EV) batteries. Currently, many disassembly procedures for EV batteries are performed by human operators. Robotic disassembly of EV batteries is essential for increasing the efficiency of the process. A common operation in EV battery disassembly is removing plug connectors. This paper introduces a new method for automating the disassembly of a snap-fit plug connector using a specially designed tool. A control strategy combining force and position was implemented. Experiments were performed on a single connector to investigate and validate the proposed method for disassembling snap-fit plug connectors. The results show that the success rate and integrity rate of the method were both 100 % across 100 tests. Finally, the paper presents a case study on disassembling snap-fit plug connectors in an EV battery. The case study shows that the disassembly approach is feasible and practical, and it can facilitate the automated disassembly of EV batteries.
拆卸是报废电动汽车(EV)电池再制造的第一步。目前,电动汽车电池的许多拆卸过程都是由人工操作的。电动汽车电池的机器人拆卸对于提高该过程的效率至关重要。拆卸电动汽车电池的常见操作是拆卸插头连接器。本文介绍了一种利用特殊设计的工具自动拆卸卡箍式插头连接器的新方法。采用力位相结合的控制策略。在单个连接器上进行了实验,以研究和验证所提出的拆卸卡扣式插头连接器的方法。结果表明,在100次测试中,该方法的成功率和完整性均为100%。最后,本文给出了一个拆卸电动汽车电池卡扣式插头连接器的案例研究。实例研究表明,该拆卸方法可行、实用,可为电动汽车电池的自动拆卸提供便利。
{"title":"Robotic disassembly of snap-fit plug connectors in end-of-life electric vehicle batteries","authors":"Jun Huang ,&nbsp;Quanyong Huang ,&nbsp;Yuqin Zeng ,&nbsp;Muyao Tan ,&nbsp;Zhenfeng Peng ,&nbsp;Huawei Song ,&nbsp;Xiuyi Ao ,&nbsp;Duc Pham","doi":"10.1016/j.rcim.2025.103183","DOIUrl":"10.1016/j.rcim.2025.103183","url":null,"abstract":"<div><div>Disassembly is the first step in the remanufacturing of End-of-Life (EoL) Electric Vehicle (EV) batteries. Currently, many disassembly procedures for EV batteries are performed by human operators. Robotic disassembly of EV batteries is essential for increasing the efficiency of the process. A common operation in EV battery disassembly is removing plug connectors. This paper introduces a new method for automating the disassembly of a snap-fit plug connector using a specially designed tool. A control strategy combining force and position was implemented. Experiments were performed on a single connector to investigate and validate the proposed method for disassembling snap-fit plug connectors. The results show that the success rate and integrity rate of the method were both 100 % across 100 tests. Finally, the paper presents a case study on disassembling snap-fit plug connectors in an EV battery. The case study shows that the disassembly approach is feasible and practical, and it can facilitate the automated disassembly of EV batteries.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103183"},"PeriodicalIF":11.4,"publicationDate":"2025-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145567798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel paradigm of robotic machining towards embodied intelligent manufacturing: Case study on paint defect repair 面向具身智能制造的机器人加工新范式:以油漆缺陷修复为例
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-21 DOI: 10.1016/j.rcim.2025.103184
Shengzhe Wang , Ziyao Tan , Yidan Wang , Zhilei Zhou , Dahu Zhu
Embodied intelligence is driving robotic systems towards autonomous capabilities, and its current applications primarily focus on basic tasks such as grasping and navigation. In industrial manufacturing scenarios with complex processes and stringent standards, such as robotic machining, the existing research and applications are less explored. To fill the gap, this paper attempts to propose a novel paradigm of robotic machining from the perspective of embodied intelligence, particularly presenting a robotic grinding process framework to repair paint defects. The framework begins with defect detection using the YOLO algorithm, combined a monocular vision target mapping method to achieve high-precision defect perception. Building upon this, a large language model (LLM), fine-tuned on a process database constructed from empirical defect repair experiments, performs autonomous decision-making for the repair process based on the perceived information. A predefined code library compatible with industrial robot is then developed, enabling the system to automatically generate executable instructions for repair tasks. Both the effectiveness and practicality of the proposed method are validated through a case study on paint defect repair for high-speed train (HST) body.
具身智能正在推动机器人系统走向自主能力,其目前的应用主要集中在抓取和导航等基本任务上。在机器人加工等工艺复杂、标准严格的工业制造场景中,现有的研究和应用探索较少。为了填补这一空白,本文试图从具身智能的角度提出一种新的机器人加工范式,特别是提出了一种修复油漆缺陷的机器人磨削工艺框架。该框架从使用YOLO算法进行缺陷检测开始,结合单目视觉目标映射方法实现高精度缺陷感知。在此基础上,一个大型语言模型(LLM),在由经验缺陷修复实验构建的过程数据库上进行微调,基于感知到的信息对修复过程执行自主决策。开发了与工业机器人兼容的预定义代码库,使系统能够自动生成维修任务的可执行指令。以高速列车车身漆面缺陷修复为例,验证了该方法的有效性和实用性。
{"title":"A novel paradigm of robotic machining towards embodied intelligent manufacturing: Case study on paint defect repair","authors":"Shengzhe Wang ,&nbsp;Ziyao Tan ,&nbsp;Yidan Wang ,&nbsp;Zhilei Zhou ,&nbsp;Dahu Zhu","doi":"10.1016/j.rcim.2025.103184","DOIUrl":"10.1016/j.rcim.2025.103184","url":null,"abstract":"<div><div>Embodied intelligence is driving robotic systems towards autonomous capabilities, and its current applications primarily focus on basic tasks such as grasping and navigation. In industrial manufacturing scenarios with complex processes and stringent standards, such as robotic machining, the existing research and applications are less explored. To fill the gap, this paper attempts to propose a novel paradigm of robotic machining from the perspective of embodied intelligence, particularly presenting a robotic grinding process framework to repair paint defects. The framework begins with defect detection using the YOLO algorithm, combined a monocular vision target mapping method to achieve high-precision defect perception. Building upon this, a large language model (LLM), fine-tuned on a process database constructed from empirical defect repair experiments, performs autonomous decision-making for the repair process based on the perceived information. A predefined code library compatible with industrial robot is then developed, enabling the system to automatically generate executable instructions for repair tasks. Both the effectiveness and practicality of the proposed method are validated through a case study on paint defect repair for high-speed train (HST) body.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103184"},"PeriodicalIF":11.4,"publicationDate":"2025-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145560043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-agent deep reinforcement learning for low-carbon flexible job shop scheduling with variable sublots 可变子批低碳柔性作业车间调度的多智能体深度强化学习
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-12 DOI: 10.1016/j.rcim.2025.103180
Chuanzhao Yu, Youshan Liu, Chunjiang Zhang, Weiming Shen
As manufacturing shifts toward greener and more intelligent paradigms, traditional scheduling approaches are increasingly inadequate for meeting both operational efficiency and sustainability demands. The Low-Carbon Flexible Job Shop Scheduling Problem with Variable Sublots (LC-FJSP-VS) introduces significant complexity due to the need to simultaneously coordinate sublot sizing, machine selection, and carbon-aware objectives under dynamic disturbances. To address these challenges, this paper proposes a hybrid scheduling framework that integrates Multi-Agent Deep Reinforcement Learning (MADRL) with a bi-objective Mixed-Integer Linear Programming (MILP) model. A hierarchical decision-making architecture is designed, where in the operation-level agent performs real-time job dispatching, and the machine-level agent adjusts processing speeds and optimization preferences to guide sublot-level MILP scheduling. Machine failure events are stochastically simulated to emulate realistic disruptions, testing the system’s adaptability and robustness. Experimental results on extended benchmark datasets show that the proposed method significantly outperforms classical dispatching rules and advanced metaheuristics in terms of Hypervolume (HV), effectively balancing makespan and carbon emissions. This work demonstrates the feasibility and advantages of intelligent, low-carbon scheduling systems and provides a foundation for scalable and disturbance-resilient production planning.
随着制造业向更绿色和更智能的范式转变,传统的调度方法越来越不能满足运营效率和可持续性需求。具有可变子批的低碳柔性作业车间调度问题(LC-FJSP-VS)由于需要同时协调子批规模、机器选择和动态干扰下的碳意识目标,引入了显著的复杂性。为了解决这些挑战,本文提出了一种混合调度框架,该框架将多智能体深度强化学习(MADRL)与双目标混合整数线性规划(MILP)模型相结合。设计了一种分层决策体系结构,其中操作级代理执行实时作业调度,机器级代理调整处理速度和优化偏好,指导子批次级MILP调度。随机模拟机器故障事件,模拟现实中断,测试系统的适应性和鲁棒性。在扩展基准数据集上的实验结果表明,该方法在Hypervolume (HV)方面明显优于经典调度规则和先进的元启发式算法,有效地平衡了完工时间和碳排放。这项工作证明了智能、低碳调度系统的可行性和优势,并为可扩展和抗干扰生产计划提供了基础。
{"title":"Multi-agent deep reinforcement learning for low-carbon flexible job shop scheduling with variable sublots","authors":"Chuanzhao Yu,&nbsp;Youshan Liu,&nbsp;Chunjiang Zhang,&nbsp;Weiming Shen","doi":"10.1016/j.rcim.2025.103180","DOIUrl":"10.1016/j.rcim.2025.103180","url":null,"abstract":"<div><div>As manufacturing shifts toward greener and more intelligent paradigms, traditional scheduling approaches are increasingly inadequate for meeting both operational efficiency and sustainability demands. The Low-Carbon Flexible Job Shop Scheduling Problem with Variable Sublots (LC-FJSP-VS) introduces significant complexity due to the need to simultaneously coordinate sublot sizing, machine selection, and carbon-aware objectives under dynamic disturbances. To address these challenges, this paper proposes a hybrid scheduling framework that integrates Multi-Agent Deep Reinforcement Learning (MADRL) with a bi-objective Mixed-Integer Linear Programming (MILP) model. A hierarchical decision-making architecture is designed, where in the operation-level agent performs real-time job dispatching, and the machine-level agent adjusts processing speeds and optimization preferences to guide sublot-level MILP scheduling. Machine failure events are stochastically simulated to emulate realistic disruptions, testing the system’s adaptability and robustness. Experimental results on extended benchmark datasets show that the proposed method significantly outperforms classical dispatching rules and advanced metaheuristics in terms of Hypervolume (HV), effectively balancing makespan and carbon emissions. This work demonstrates the feasibility and advantages of intelligent, low-carbon scheduling systems and provides a foundation for scalable and disturbance-resilient production planning.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103180"},"PeriodicalIF":11.4,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145515809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intelligent tool wear monitoring approach in milling of titanium alloys 钛合金铣削中刀具磨损智能监测方法
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-11 DOI: 10.1016/j.rcim.2025.103181
Shucai Yang, Runjie Jiang, Zekun Song, Dongqi Yu
Tool wear exerts a critical influence on machining stability and workpiece quality, making its accurate, intelligent monitoring indispensable for preventing tool failure and ensuring product consistency. Although direct assessment via wear imagery is possible, it requires interrupting the machining process and thus is impractical for real‐time production. A more viable solution is to leverage in‐process signals—such as vibration—to enable continuous monitoring. Here, we present a Signal processing method that Beluga whale optimization‐Successive variational mode decomposition (BWO‐SVMD) for noise suppression, followed by the S‐transform to produce high‐resolution time–frequency representations. Based on these denoised spectrograms, we develop an intelligent monitoring model that integrates a multi‐scale convolutional neural network (MSCNN), long short‐term memory (LSTM) units, and a channel–spatial attention mechanism. Experimental results demonstrate that our model achieves 96.25 % classification accuracy, a Kappa coefficient of 0.9686, and a total computation time of 320.64 s. Compared with CNN‐LSTM‐Attention, MSCNN‐Attention, and MSCNN‐LSTM baselines, it improves average accuracy by 1.89 %, 8.02 %, and 6.67 % and Kappa by 0.0732, 0.1374, and 0.2009, respectively. Although training time increases by 10.2 %–14.2 %, the substantial gains in predictive performance justify the additional computational cost.
刀具磨损对加工稳定性和工件质量有着至关重要的影响,刀具磨损的准确、智能监测是防止刀具失效和保证产品一致性不可或缺的手段。虽然通过磨损图像进行直接评估是可能的,但它需要中断加工过程,因此不适合实时生产。一个更可行的解决方案是利用过程中的信号(如振动)来实现连续监测。在这里,我们提出了一种信号处理方法,即白鲸优化-连续变分模态分解(BWO - SVMD)用于噪声抑制,然后进行S -变换以产生高分辨率时频表示。基于这些去噪的频谱图,我们开发了一个集成了多尺度卷积神经网络(MSCNN)、长短期记忆(LSTM)单元和通道空间注意机制的智能监测模型。实验结果表明,该模型的分类准确率为96.25%,Kappa系数为0.9686,总计算时间为320.64 s。与CNN - LSTM - Attention、MSCNN - Attention和MSCNN - LSTM基线相比,平均准确率分别提高了1.89%、8.02%和6.67%,Kappa分别提高了0.0732、0.1374和0.2009。虽然训练时间增加了10.2% - 14.2%,但预测性能的显著提高证明了额外的计算成本是合理的。
{"title":"Intelligent tool wear monitoring approach in milling of titanium alloys","authors":"Shucai Yang,&nbsp;Runjie Jiang,&nbsp;Zekun Song,&nbsp;Dongqi Yu","doi":"10.1016/j.rcim.2025.103181","DOIUrl":"10.1016/j.rcim.2025.103181","url":null,"abstract":"<div><div>Tool wear exerts a critical influence on machining stability and workpiece quality, making its accurate, intelligent monitoring indispensable for preventing tool failure and ensuring product consistency. Although direct assessment via wear imagery is possible, it requires interrupting the machining process and thus is impractical for real‐time production. A more viable solution is to leverage in‐process signals—such as vibration—to enable continuous monitoring. Here, we present a Signal processing method that Beluga whale optimization‐Successive variational mode decomposition (BWO‐SVMD) for noise suppression, followed by the S‐transform to produce high‐resolution time–frequency representations. Based on these denoised spectrograms, we develop an intelligent monitoring model that integrates a multi‐scale convolutional neural network (MSCNN), long short‐term memory (LSTM) units, and a channel–spatial attention mechanism. Experimental results demonstrate that our model achieves 96.25 % classification accuracy, a Kappa coefficient of 0.9686, and a total computation time of 320.64 s. Compared with CNN‐LSTM‐Attention, MSCNN‐Attention, and MSCNN‐LSTM baselines, it improves average accuracy by 1.89 %, 8.02 %, and 6.67 % and Kappa by 0.0732, 0.1374, and 0.2009, respectively. Although training time increases by 10.2 %–14.2 %, the substantial gains in predictive performance justify the additional computational cost.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103181"},"PeriodicalIF":11.4,"publicationDate":"2025-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145498721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topology matrix-based interlocking path planning method for robotic additive manufacturing of thin-walled multi-rib structures 基于拓扑矩阵的薄壁多肋结构机器人增材制造联锁路径规划方法
IF 11.4 1区 计算机科学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-11-11 DOI: 10.1016/j.rcim.2025.103182
Tao Zhao , Zhaoyang Yan , Xiaoyong Zhang , Runsheng Li , Kehong Wang , Shujun Chen
Thin-walled multi-rib structures are widely used in high-end manufacturing sectors such as aerospace and defense equipment due to their high strength-to-weight ratio. However, traditional manufacturing methods face challenges including prolonged processing cycles and low material utilization. Arc-based directed energy deposition (DED-Arc) technology, characterized by its high efficiency and flexibility, offers a novel approach for the rapid fabrication of thin-walled multi-rib structures. This study focuses on high-ribbed panels in thin-walled multi-rib structures, analyzing their common structural characteristics and proposing a unified path planning method based on an interlocking topology matrix. A standardized topological matrix data structure was developed to describe the medial-axis nodes and topological relationships of high-ribbed panels. A unified path search algorithm was designed based on the topological matrix, employing an alternating search strategy (X-direction for odd layers and Y-direction for even layers) to generate continuous deposition paths. By strategically offsetting the printing contours between adjacent layers, the method achieves topological dispersion and mutual interlocking of weak points across sliced layers. The cross-regions were specifically optimized to ensure overlap-free deposition paths and rational distribution of arc ignition/extinction positions, effectively reducing the number of arc ignition/extinction and improving forming quality. Deposition experiments on four typical thin-walled multi-rib structures demonstrated that the interlocking path planning method significantly enhances surface quality by mitigating height differences at arc ignition/extinction points and improving overlap at intersections., while maintaining overall height errors within 3 mm. The results demonstrate that the proposed method improves manufacturing efficiency and forming quality, supporting DED-Arc applications in lightweight structures.
薄壁多肋结构因其高强度重量比被广泛应用于航空航天、国防装备等高端制造领域。然而,传统的制造方法面临着加工周期长、材料利用率低等挑战。基于电弧的定向能沉积(ed - arc)技术以其高效、灵活的特点,为薄壁多肋结构的快速制造提供了一种新的方法。以薄壁多肋结构中的高肋板为研究对象,分析了其共同的结构特征,提出了一种基于互锁拓扑矩阵的统一路径规划方法。建立了一种标准化的拓扑矩阵数据结构来描述高肋板的中轴节点和拓扑关系。设计了基于拓扑矩阵的统一路径搜索算法,采用奇数层x方向和偶数层y方向交替搜索策略生成连续沉积路径。该方法通过在相邻层之间有策略地偏移打印轮廓,实现了切片层间薄弱点的拓扑分散和互锁。对交叉区域进行了针对性优化,保证了沉积路径无重叠,燃灭弧位置分布合理,有效减少了燃灭弧次数,提高了成形质量。在4种典型薄壁多肋结构上进行的沉积实验表明,联锁路径规划方法通过减小电弧起熄点高度差和改善交点重叠,显著提高了表面质量。,同时将整体高度误差控制在3mm以内。结果表明,该方法提高了制造效率和成形质量,支持了d - arc在轻量化结构中的应用。
{"title":"Topology matrix-based interlocking path planning method for robotic additive manufacturing of thin-walled multi-rib structures","authors":"Tao Zhao ,&nbsp;Zhaoyang Yan ,&nbsp;Xiaoyong Zhang ,&nbsp;Runsheng Li ,&nbsp;Kehong Wang ,&nbsp;Shujun Chen","doi":"10.1016/j.rcim.2025.103182","DOIUrl":"10.1016/j.rcim.2025.103182","url":null,"abstract":"<div><div>Thin-walled multi-rib structures are widely used in high-end manufacturing sectors such as aerospace and defense equipment due to their high strength-to-weight ratio. However, traditional manufacturing methods face challenges including prolonged processing cycles and low material utilization. Arc-based directed energy deposition (DED-Arc) technology, characterized by its high efficiency and flexibility, offers a novel approach for the rapid fabrication of thin-walled multi-rib structures. This study focuses on high-ribbed panels in thin-walled multi-rib structures, analyzing their common structural characteristics and proposing a unified path planning method based on an interlocking topology matrix. A standardized topological matrix data structure was developed to describe the medial-axis nodes and topological relationships of high-ribbed panels. A unified path search algorithm was designed based on the topological matrix, employing an alternating search strategy (X-direction for odd layers and Y-direction for even layers) to generate continuous deposition paths. By strategically offsetting the printing contours between adjacent layers, the method achieves topological dispersion and mutual interlocking of weak points across sliced layers. The cross-regions were specifically optimized to ensure overlap-free deposition paths and rational distribution of arc ignition/extinction positions, effectively reducing the number of arc ignition/extinction and improving forming quality. Deposition experiments on four typical thin-walled multi-rib structures demonstrated that the interlocking path planning method significantly enhances surface quality by mitigating height differences at arc ignition/extinction points and improving overlap at intersections., while maintaining overall height errors within 3 mm. The results demonstrate that the proposed method improves manufacturing efficiency and forming quality, supporting DED-Arc applications in lightweight structures.</div></div>","PeriodicalId":21452,"journal":{"name":"Robotics and Computer-integrated Manufacturing","volume":"98 ","pages":"Article 103182"},"PeriodicalIF":11.4,"publicationDate":"2025-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145509598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Robotics and Computer-integrated Manufacturing
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1