首页 > 最新文献

2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)最新文献

英文 中文
Design and Development of a Numerical Control System for a Hybrid Machining Robot 混合加工机器人数控系统的设计与开发
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021374
Zaichao Sun, Hanliang Fang, Chaosheng Chou, Fufu Yang, Jun Zhang
Numerical control (NC) system is the core functional module of 5-axis machining devices. The paper presents a dispersing NC system for a novel hybrid machining robot. For this purpose., three issues are clarified., i.e. the architecture., the control strategy and the software of NC system. Firstly., by adopting a multi-axis motion control unit (MCU)., the architecture of a dispersing NC system is designed. Secondly., a control strategy is presented based on tool-path smooth algorithms., kinematics model and kinematic calibration method. By embedding above control strategy., a post-processing software and a human-machine interaction (HMI) software are developed. Finally., a NC system is developed to construct a hybrid machining robot system. A set of kinematic accuracy tests and machining tests are carried out to verify the feasibility of the developed NC system.
数控系统是五轴加工设备的核心功能模块。介绍了一种新型混合加工机器人的分散数控系统。为此目的。,澄清了三个问题。,即架构。,数控系统的控制策略和软件。首先。,采用多轴运动控制单元(MCU)。,设计了分散数控系统的体系结构。其次。,提出了一种基于刀具轨迹平滑算法的控制策略。、运动学模型和运动学标定方法。通过嵌入上述控制策略。,开发了后处理软件和人机交互软件。最后。为构建混合加工机器人系统,开发了数控系统。为了验证所开发的数控系统的可行性,进行了一系列的运动精度试验和加工试验。
{"title":"Design and Development of a Numerical Control System for a Hybrid Machining Robot","authors":"Zaichao Sun, Hanliang Fang, Chaosheng Chou, Fufu Yang, Jun Zhang","doi":"10.1109/WCMEIM56910.2022.10021374","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021374","url":null,"abstract":"Numerical control (NC) system is the core functional module of 5-axis machining devices. The paper presents a dispersing NC system for a novel hybrid machining robot. For this purpose., three issues are clarified., i.e. the architecture., the control strategy and the software of NC system. Firstly., by adopting a multi-axis motion control unit (MCU)., the architecture of a dispersing NC system is designed. Secondly., a control strategy is presented based on tool-path smooth algorithms., kinematics model and kinematic calibration method. By embedding above control strategy., a post-processing software and a human-machine interaction (HMI) software are developed. Finally., a NC system is developed to construct a hybrid machining robot system. A set of kinematic accuracy tests and machining tests are carried out to verify the feasibility of the developed NC system.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125049982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling of manufacturing resources towards an interactive Resource Social Network 面向交互资源社会网络的制造资源建模
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021355
Cheng Qian, Yingfeng Zhang
The rapidly changing market has stimulated the emergence of self-organizing mechanisms in intelligent manufacturing systems, where resources are generally capable of making decisions through intercommunications and interoperations to maximize system adaptivity. With the increasing number of exceptional events during manufacturing, those mechanisms might eventually fail to react timely to situations of multiple resource conflicts. In this work, we discussed the social networks consisting of various manufacturing resources and provided the relevant modeling techniques including the Resource Description Framework and the Finite State Machine. The function and behavior models can support the autonomous interactions and collaborations among resources, while the communication hub connected the resources and formed a peer-to-peer network. On this basis, the dynamic features of manufacturing networks including the exception propagation phenomenon can be analyzed. A case was studied to identify the bottleneck resources using the complex network theory. This work has provided an analytical platform to optimize manufacturing resources using complex network and graph theory.
快速变化的市场刺激了智能制造系统中自组织机制的出现,其中资源通常能够通过相互通信和互操作做出决策,以最大限度地提高系统适应性。随着制造过程中异常事件数量的增加,这些机制最终可能无法及时响应多种资源冲突的情况。本文讨论了由各种制造资源组成的社会网络,并提供了相关的建模技术,包括资源描述框架和有限状态机。功能和行为模型可以支持资源之间的自主交互和协作,而通信枢纽将资源连接起来,形成点对点网络。在此基础上,分析了制造网络的动态特征,包括异常传播现象。应用复杂网络理论对瓶颈资源进行了识别。该研究为利用复杂网络和图论进行制造资源优化提供了分析平台。
{"title":"Modeling of manufacturing resources towards an interactive Resource Social Network","authors":"Cheng Qian, Yingfeng Zhang","doi":"10.1109/WCMEIM56910.2022.10021355","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021355","url":null,"abstract":"The rapidly changing market has stimulated the emergence of self-organizing mechanisms in intelligent manufacturing systems, where resources are generally capable of making decisions through intercommunications and interoperations to maximize system adaptivity. With the increasing number of exceptional events during manufacturing, those mechanisms might eventually fail to react timely to situations of multiple resource conflicts. In this work, we discussed the social networks consisting of various manufacturing resources and provided the relevant modeling techniques including the Resource Description Framework and the Finite State Machine. The function and behavior models can support the autonomous interactions and collaborations among resources, while the communication hub connected the resources and formed a peer-to-peer network. On this basis, the dynamic features of manufacturing networks including the exception propagation phenomenon can be analyzed. A case was studied to identify the bottleneck resources using the complex network theory. This work has provided an analytical platform to optimize manufacturing resources using complex network and graph theory.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134137023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies on Calibration of Shaking Incubator 振动培养箱的标定研究
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021556
Huijuan Wang, Tingting Ren, Yang Xu, Chuandong Xie, Yingqian Ni
The shaking incubator is an incubator which consists of shaker and heating chamber for incubating and shaking sensitive samples. It replaces two devices, reducing both time and space needed. Both the shaking mechanism and temperature chamber are regulated via microprocessors, which control all sensors for motor speed, temperature and time. It is suitable for biochemistry, microbiology and clinical laboratories in which applications require temperature and shaking treatment. This article presents a novel design of calibration method of shaking incubator by studying the essential metrological parameters of the device. The experimental results show that the calibration method presented in this article can establish the metrological traceability system of shaking incubator in China in order to ensure the accuracy and reliability of the device, which is of great importance for the quality control of the device.
振动培养箱是一种由激振器和加热室组成的培养箱,用于培养和振动敏感样品。它取代了两个设备,减少了所需的时间和空间。振动机构和温度室都通过微处理器进行调节,微处理器控制所有电机速度、温度和时间的传感器。它适用于生物化学,微生物学和临床实验室,其中应用需要温度和震动处理。本文通过对振动培养箱基本计量参数的研究,提出了一种新的振动培养箱标定方法。实验结果表明,本文提出的校准方法可以在国内建立振动培养箱的计量溯源体系,以保证设备的准确性和可靠性,对设备的质量控制具有重要意义。
{"title":"Studies on Calibration of Shaking Incubator","authors":"Huijuan Wang, Tingting Ren, Yang Xu, Chuandong Xie, Yingqian Ni","doi":"10.1109/WCMEIM56910.2022.10021556","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021556","url":null,"abstract":"The shaking incubator is an incubator which consists of shaker and heating chamber for incubating and shaking sensitive samples. It replaces two devices, reducing both time and space needed. Both the shaking mechanism and temperature chamber are regulated via microprocessors, which control all sensors for motor speed, temperature and time. It is suitable for biochemistry, microbiology and clinical laboratories in which applications require temperature and shaking treatment. This article presents a novel design of calibration method of shaking incubator by studying the essential metrological parameters of the device. The experimental results show that the calibration method presented in this article can establish the metrological traceability system of shaking incubator in China in order to ensure the accuracy and reliability of the device, which is of great importance for the quality control of the device.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132906114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
FAST Handling Robot Stiffness Analysis Based on Finite Element Simulation 基于有限元仿真的FAST搬运机器人刚度分析
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021406
Yong Zhou, Ligang Qiang, Yong Zhang
The robot described in this paper is used to transport the FAST feed receiver; its lifting part is a spatial multi-bar mechanism; in order to achieve accurate positioning in the transport and avoid deformation caused by large load and thus affecting the normal operation of the mechanism, the whole mechanism needs to have good stiffness. To analyze the stiffness of such complex mechanical mechanism, finite element method can be used for simulation. Based on Abaqus finite element software, the stresses and deformations of the handling robot, especially its lifting system, were analyzed under rated working conditions; the stresses and overall deformations of key parts of the lifting system were obtained. The analysis results showed that the maximum stress and deformation of the lifting system did not exceed the predefined targets. The obtained analysis results provide an important reference for the actual performance of the lifting system.
本文所述机器人用于运送FAST馈电接收器;其升降部分为空间多杆机构;为了在运输中实现准确定位,避免大载荷引起的变形从而影响机构的正常工作,整个机构需要具有良好的刚度。为了分析这种复杂机械机构的刚度,可以采用有限元法进行仿真。基于Abaqus有限元软件,对搬运机器人,特别是其升降系统在额定工况下的应力和变形进行了分析;得到了提升系统关键部件的应力和整体变形。分析结果表明,提升系统的最大应力和最大变形均未超过预定目标。所得分析结果为提升系统的实际性能提供了重要参考。
{"title":"FAST Handling Robot Stiffness Analysis Based on Finite Element Simulation","authors":"Yong Zhou, Ligang Qiang, Yong Zhang","doi":"10.1109/WCMEIM56910.2022.10021406","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021406","url":null,"abstract":"The robot described in this paper is used to transport the FAST feed receiver; its lifting part is a spatial multi-bar mechanism; in order to achieve accurate positioning in the transport and avoid deformation caused by large load and thus affecting the normal operation of the mechanism, the whole mechanism needs to have good stiffness. To analyze the stiffness of such complex mechanical mechanism, finite element method can be used for simulation. Based on Abaqus finite element software, the stresses and deformations of the handling robot, especially its lifting system, were analyzed under rated working conditions; the stresses and overall deformations of key parts of the lifting system were obtained. The analysis results showed that the maximum stress and deformation of the lifting system did not exceed the predefined targets. The obtained analysis results provide an important reference for the actual performance of the lifting system.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132691962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simultaneous localization and mapping for tethered robot based on UFastSLAM 基于UFastSLAM的系留机器人同步定位与制图
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021508
Xiaotao Wang, Huan Liu, Yuxin Cui
The tethered mobile robot can be used to detect extreme terrain. During the movement, it will inevitably contact or even entangle with obstacles. In this paper, a simultaneous localization and mapping (SLAM) algorithm for tethered robots based on the UFastSLAM framework is proposed, which uses particle filtering and unscented transformation to estimate the pose of the tethered robot and the positions of the anchor points. The simulation results show that the algorithm can effectively estimate the position of anchor points and improve the performance of robot pose estimation simultaneously.
系绳移动机器人可用于探测极端地形。在运动过程中,不可避免地会与障碍物接触甚至纠缠。本文提出了一种基于UFastSLAM框架的系留机器人同步定位与映射(SLAM)算法,该算法利用粒子滤波和unscented变换来估计系留机器人的姿态和锚点的位置。仿真结果表明,该算法能够有效地估计锚点位置,同时提高机器人姿态估计的性能。
{"title":"Simultaneous localization and mapping for tethered robot based on UFastSLAM","authors":"Xiaotao Wang, Huan Liu, Yuxin Cui","doi":"10.1109/WCMEIM56910.2022.10021508","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021508","url":null,"abstract":"The tethered mobile robot can be used to detect extreme terrain. During the movement, it will inevitably contact or even entangle with obstacles. In this paper, a simultaneous localization and mapping (SLAM) algorithm for tethered robots based on the UFastSLAM framework is proposed, which uses particle filtering and unscented transformation to estimate the pose of the tethered robot and the positions of the anchor points. The simulation results show that the algorithm can effectively estimate the position of anchor points and improve the performance of robot pose estimation simultaneously.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122517601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Target Tracking Method for Visual Autonomous Localization of Demolition Robot 拆除机器人视觉自主定位的目标跟踪方法
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021468
Yimo Zong, Jianzhong Huang, Jiahan Bao, Deshang Sun, Y. Cen
To solve the problem of autonomous and precise positioning of the robot arm in the non-structural environment of the demolition robot, binocular vision is used for the measurement of the target point for robot arm positioning, and the real-time tracking and measurement of the end of the robot arm during the positioning process. For demolition robots operating in non-structural environments, their tracking process will have the problems of randomly appearing tracking targets being obscured and a complex background environment. The paper solves this problem by extending the Camshift algorithm to 3D space, using depth information to separate occluders and targets in space. Through experiments, it is proved that this method can effectively solve the problem that the tracking of the end of the robotic arm is lost due to random occlusions during the positioning and tracking of the end of the robotic arm, so as to provide the feedback information of the spatial position of the end of the robotic arm for the autonomous positioning of the robotic arm in a real-time and stable manner.
为解决拆除机器人在非结构环境中机械臂的自主精确定位问题,采用双目视觉对机械臂定位的目标点进行测量,并在定位过程中对机械臂末端进行实时跟踪和测量。对于在非结构环境中作业的拆除机器人,其跟踪过程中会存在随机出现的跟踪目标被遮挡、背景环境复杂等问题。本文将Camshift算法扩展到三维空间,利用深度信息分离空间中的遮挡物和目标,从而解决了这一问题。通过实验证明,该方法能有效解决机械臂末端定位跟踪过程中因随机遮挡导致机械臂末端跟踪丢失的问题,为机械臂的自主定位实时、稳定地提供机械臂末端空间位置的反馈信息。
{"title":"Target Tracking Method for Visual Autonomous Localization of Demolition Robot","authors":"Yimo Zong, Jianzhong Huang, Jiahan Bao, Deshang Sun, Y. Cen","doi":"10.1109/WCMEIM56910.2022.10021468","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021468","url":null,"abstract":"To solve the problem of autonomous and precise positioning of the robot arm in the non-structural environment of the demolition robot, binocular vision is used for the measurement of the target point for robot arm positioning, and the real-time tracking and measurement of the end of the robot arm during the positioning process. For demolition robots operating in non-structural environments, their tracking process will have the problems of randomly appearing tracking targets being obscured and a complex background environment. The paper solves this problem by extending the Camshift algorithm to 3D space, using depth information to separate occluders and targets in space. Through experiments, it is proved that this method can effectively solve the problem that the tracking of the end of the robotic arm is lost due to random occlusions during the positioning and tracking of the end of the robotic arm, so as to provide the feedback information of the spatial position of the end of the robotic arm for the autonomous positioning of the robotic arm in a real-time and stable manner.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116642364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tolerance analysis and allocation of precision rotary table based on Jacobian-Torsor statistical model 基于Jacobian-Torsor统计模型的精密转台公差分析与分配
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021348
Wei Mo, Xueming Du, Shun Liu, Sun Jin
Numerical control(NC) rotary table is the core part of the machining center. Due to the existence of multi-source deviation and multi-point assembly of the same part in the assembly of the rotary table, the tolerance chains are more complex, and the assembly result depends on workers to correct during installation at site, resulting in low efficiency and low assembly accuracy. A three-dimensional tolerance modeling method was established based on the Jacobian-Torsor theory. A parallel assembly model was established under multi-point assembly, and the relationship between various deviation sources and assembly deviations is obtained. The contribution of each dimension chain error to the total error is obtained by Monte Carlo analysis, which provides a basis for the designer to allocate tolerance. After several times of iteration procedure, the calculated FR meets the threshold required for product assembly. This method can effectively improve the efficiency of assembly.
数控转台是加工中心的核心部件。由于在转台装配中存在同一零件的多源偏差和多点装配,公差链较为复杂,装配结果依赖于工人在现场安装时进行校正,导致效率低,装配精度低。建立了基于雅可比-托量理论的三维公差建模方法。建立了多点装配下的并联装配模型,得到了各偏差源与装配偏差之间的关系。通过蒙特卡罗分析得到了各尺寸链误差对总误差的贡献,为设计人员分配公差提供了依据。经过多次迭代,计算出的FR满足产品装配所需的阈值。该方法可有效提高装配效率。
{"title":"Tolerance analysis and allocation of precision rotary table based on Jacobian-Torsor statistical model","authors":"Wei Mo, Xueming Du, Shun Liu, Sun Jin","doi":"10.1109/WCMEIM56910.2022.10021348","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021348","url":null,"abstract":"Numerical control(NC) rotary table is the core part of the machining center. Due to the existence of multi-source deviation and multi-point assembly of the same part in the assembly of the rotary table, the tolerance chains are more complex, and the assembly result depends on workers to correct during installation at site, resulting in low efficiency and low assembly accuracy. A three-dimensional tolerance modeling method was established based on the Jacobian-Torsor theory. A parallel assembly model was established under multi-point assembly, and the relationship between various deviation sources and assembly deviations is obtained. The contribution of each dimension chain error to the total error is obtained by Monte Carlo analysis, which provides a basis for the designer to allocate tolerance. After several times of iteration procedure, the calculated FR meets the threshold required for product assembly. This method can effectively improve the efficiency of assembly.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114879602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research of high-efficiency extraction of edges of large complex components in three-dimensional point clouds 三维点云中大型复杂成分边缘的高效提取研究
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021555
Jing Li, Jiangchuan Fan, Nanyan Shen, Hui Qian
With the rapid development of the automobile manufacturing industry, major automobile manufacturers around the world are stepping up digital transformation to achieve high-flexible, efficient and high-quality automobile production to adapt to the increasingly competitive market situation. Robots play an important role in automobile manufacturing. In the process of automobile manufacturing, the performance and quality of the product largely depend on the size accuracy of the parts, so edge information needs to be tested before the product is produced and assembled. At the same time, in the field of path planning, people need to obtain geometric feature information such as the edge of components in advance. However, large components are due to various the accuracy of the error needs to be scanned on the spot, and then processed after obtaining the point cloud. In this paper, a new method for quickly extracting edge contours from large-scale point clouds is studied. In the process of finding edges in two-dimensional images, some optimizations have also been made to make them more suitable for edge extraction of such plane structures. We also demonstrated the application of this method in a bus and compared it with two traditional methods.
随着汽车制造业的快速发展,世界各大汽车制造商都在加紧数字化转型,以实现高灵活、高效、高质量的汽车生产,以适应竞争日益激烈的市场形势。机器人在汽车制造中起着重要的作用。在汽车制造过程中,产品的性能和质量在很大程度上取决于零件的尺寸精度,因此在产品生产和组装之前需要对边缘信息进行测试。同时,在路径规划领域,人们需要提前获取构件的边缘等几何特征信息。然而,较大的部件则由于精度的各种误差需要在现场进行扫描,然后在获得点云后再进行处理。研究了一种从大规模点云中快速提取边缘轮廓的新方法。在二维图像中寻找边缘的过程中,也进行了一些优化,使其更适合于这类平面结构的边缘提取。最后,通过实例验证了该方法的应用,并与两种传统方法进行了比较。
{"title":"Research of high-efficiency extraction of edges of large complex components in three-dimensional point clouds","authors":"Jing Li, Jiangchuan Fan, Nanyan Shen, Hui Qian","doi":"10.1109/WCMEIM56910.2022.10021555","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021555","url":null,"abstract":"With the rapid development of the automobile manufacturing industry, major automobile manufacturers around the world are stepping up digital transformation to achieve high-flexible, efficient and high-quality automobile production to adapt to the increasingly competitive market situation. Robots play an important role in automobile manufacturing. In the process of automobile manufacturing, the performance and quality of the product largely depend on the size accuracy of the parts, so edge information needs to be tested before the product is produced and assembled. At the same time, in the field of path planning, people need to obtain geometric feature information such as the edge of components in advance. However, large components are due to various the accuracy of the error needs to be scanned on the spot, and then processed after obtaining the point cloud. In this paper, a new method for quickly extracting edge contours from large-scale point clouds is studied. In the process of finding edges in two-dimensional images, some optimizations have also been made to make them more suitable for edge extraction of such plane structures. We also demonstrated the application of this method in a bus and compared it with two traditional methods.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116557935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Analysis of Paver Walking Hydraulic System Based on AMESim 基于AMESim的摊铺机行走液压系统设计与分析
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021452
Heng Wang, Ming-Ming Shang, Yi-Cheng Xu, Chao Zhang, Shi-Yi Wang, Shen-Yu Yang
According to the technical characteristics of the structure of road paving and crawler paver in China, the working principle of crawler paver hydraulic walking system is analyzed, and the walking hydraulic system of paver is designed and studied according to foreign design scheme. On the basis of establishing the actual working conditions of the paver, the hydraulic system components are selected, and the AMESim platform is used for the modeling and simulation of the two schemes. The simulation results show that the flow rate and the speed of the actuator are proportional to the valve port opening size. The required flow of the working loop does not have to do with the external load, but only with the area size of the multiplex valve opening. The motor port pressure and the motor flow is stable at 7.5 L/min under different slope conditions, indicating that this system is reliable and can provide reference for the innovative design of the hydraulic system of the paver walking mechanism.
根据国内铺路和履带式摊铺机结构的技术特点,分析了履带式摊铺机液压行走系统的工作原理,并参照国外设计方案对摊铺机行走液压系统进行了设计研究。在建立摊铺机实际工况的基础上,选择液压系统元件,并利用AMESim平台对两种方案进行建模仿真。仿真结果表明,执行机构的流量和速度与阀口开度大小成正比。工作回路所需的流量与外部负载无关,而只与多路阀开度的面积大小有关。在不同坡度条件下,马达口压力和马达流量均稳定在7.5 L/min,表明该系统可靠,可为摊铺机行走机构液压系统的创新设计提供参考。
{"title":"Design and Analysis of Paver Walking Hydraulic System Based on AMESim","authors":"Heng Wang, Ming-Ming Shang, Yi-Cheng Xu, Chao Zhang, Shi-Yi Wang, Shen-Yu Yang","doi":"10.1109/WCMEIM56910.2022.10021452","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021452","url":null,"abstract":"According to the technical characteristics of the structure of road paving and crawler paver in China, the working principle of crawler paver hydraulic walking system is analyzed, and the walking hydraulic system of paver is designed and studied according to foreign design scheme. On the basis of establishing the actual working conditions of the paver, the hydraulic system components are selected, and the AMESim platform is used for the modeling and simulation of the two schemes. The simulation results show that the flow rate and the speed of the actuator are proportional to the valve port opening size. The required flow of the working loop does not have to do with the external load, but only with the area size of the multiplex valve opening. The motor port pressure and the motor flow is stable at 7.5 L/min under different slope conditions, indicating that this system is reliable and can provide reference for the innovative design of the hydraulic system of the paver walking mechanism.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116530669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A mobile robot repositioning method combining vision and laser 一种结合视觉和激光的移动机器人再定位方法
Pub Date : 2022-11-18 DOI: 10.1109/WCMEIM56910.2022.10021455
Yi Zhang, Yuanpei Gao, Jinyan Li, Dongjie Jiang
The laser sensor information is single, the perceptual feedback dimension is low, and the feedback information is lack in the open outdoor scene and the scene with similar geometric features, which makes it difficult to complete the positioning and navigation work. The visual positioning is easily interfered by light, and the accuracy is limited by the algorithm. Combining the advantages and disadvantages of the two methods, an algorithm combining vision and laser repositioning is proposed. Firstly, vision is based on ORB feature matching to do the preliminary localization, and an artificial bird swarm algorithm is proposed to improve the accuracy of local localization when the prior location is known. The experimental results show that the proposed algorithm shortens the relocation time by one order of magnitude compared with the pure laser localization algorithm, and improves the localization accuracy by one order of magnitude compared with the pure vision algorithm.
激光传感器信息单一,感知反馈维度低,在开放的户外场景和几何特征相似的场景中缺乏反馈信息,难以完成定位导航工作。视觉定位容易受到光线的干扰,且算法的精度受到限制。结合两种方法的优缺点,提出了一种视觉与激光相结合的重定位算法。首先,利用视觉基于ORB特征匹配进行初步定位,在已知先验位置的情况下,提出一种人工鸟群算法来提高局部定位的精度;实验结果表明,该算法与纯激光定位算法相比,定位时间缩短了一个数量级,定位精度比纯视觉算法提高了一个数量级。
{"title":"A mobile robot repositioning method combining vision and laser","authors":"Yi Zhang, Yuanpei Gao, Jinyan Li, Dongjie Jiang","doi":"10.1109/WCMEIM56910.2022.10021455","DOIUrl":"https://doi.org/10.1109/WCMEIM56910.2022.10021455","url":null,"abstract":"The laser sensor information is single, the perceptual feedback dimension is low, and the feedback information is lack in the open outdoor scene and the scene with similar geometric features, which makes it difficult to complete the positioning and navigation work. The visual positioning is easily interfered by light, and the accuracy is limited by the algorithm. Combining the advantages and disadvantages of the two methods, an algorithm combining vision and laser repositioning is proposed. Firstly, vision is based on ORB feature matching to do the preliminary localization, and an artificial bird swarm algorithm is proposed to improve the accuracy of local localization when the prior location is known. The experimental results show that the proposed algorithm shortens the relocation time by one order of magnitude compared with the pure laser localization algorithm, and improves the localization accuracy by one order of magnitude compared with the pure vision algorithm.","PeriodicalId":202270,"journal":{"name":"2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121155167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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
2022 5th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)
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