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2022 International Conference on Automation, Robotics and Computer Engineering (ICARCE)最新文献

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Joint Distribution and Class-based Data Augmentation for Wildlife Detection 野生动物检测的联合分布和基于类的数据增强
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046567
Yunhao Pan, Chenhong Sui, Fuhao Jiang, Guobin Yang, Ankang Zang, Shengwen Zhou
Data augmentation is of great importance to alleviate the insufficiency of training samples, and further improve wildlife detection accuracy. However, current data augmentation methods tend to augment all kinds of samples equally, ignoring the problem of uneven distribution of the number and size of all kinds of samples in wildlife detection datasets, resulting in poor generalization of the model. To address this problem, this paper proposes a joint distribution and class-based data augmentation method for wildlife detection. In this method, diverse rather than universal data augmentation methods are introduced for different classes with a small proportion. This makes the distributions of different classes more balanced. Therefore, each class even with a small number of samples gets good training as well. To evaluate the effectiveness of the proposed method, extensive comparative experiments are conducted. Experimental results show the superiority of our proposed method. Specifically, the detection accuracy of Faster RCNN with Swin Transformer as the backbone network is improved by 0.8% to 96.2% after data augmentation with our method.
数据增强对于缓解训练样本不足,进一步提高野生动物检测精度具有重要意义。然而,目前的数据增强方法往往是对各类样本进行均等的增强,忽略了野生动物检测数据集中各类样本数量和大小分布不均匀的问题,导致模型泛化较差。为了解决这一问题,本文提出了一种基于联合分布和类的野生动物检测数据增强方法。在该方法中,针对小比例的不同类引入了不同的而不是通用的数据增强方法。这使得不同职业的分布更加平衡。因此,即使每个类的样本数量很少,也能得到很好的训练。为了评估该方法的有效性,进行了大量的对比实验。实验结果表明了该方法的优越性。具体来说,采用Swin Transformer作为骨干网络的Faster RCNN在数据增强后,检测准确率提高了0.8%,达到96.2%。
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引用次数: 0
Sliding Mode Control of Buck Converter Using ESO 基于ESO的Buck变换器滑模控制
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046460
Jian-Kun Lu, Yilin Wu, Dengxue Cao
Buck converter is a buck DC/DC converter. In this paper, an improved control algorithm based on traditional sliding mode control and ESO is proposed for Buck converter, which is affected by some uncertain external factors, such as sudden change of load and variation of reference voltage, in order to meet the needs of high-power voltage conversion occasions. The improved control algorithm firstly evaluates the state, input voltage and load of the whole system, and then uses sliding mode control to improve the overall performance of the system. Finally, the mutation of reference voltage and load is carried out on MATLAB/SIMULINK to verify the feasibility of the improved control algorithm. The simulation results show that compared with the traditional sliding mode control, the proposed control algorithm can increase the system responsiveness and improve the overall performance of the system compared with the traditional control methods.
Buck变换器是一种Buck DC/DC变换器。本文针对Buck变换器受负载突变、参考电压变化等外部不确定因素影响的情况,提出了一种基于传统滑模控制和ESO的改进控制算法,以满足大功率电压转换场合的需要。改进后的控制算法首先对整个系统的状态、输入电压和负载进行评估,然后采用滑模控制来提高系统的整体性能。最后,在MATLAB/SIMULINK上进行了基准电压和负载的突变实验,验证了改进控制算法的可行性。仿真结果表明,与传统的滑模控制相比,所提出的控制算法可以提高系统的响应能力,提高系统的整体性能。
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引用次数: 0
Research on Transmission Line Defect Detection Based on Adaptive Federated Learning 基于自适应联邦学习的输电线路缺陷检测研究
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046524
H. Cai, Gang Liu, Ziqi Zeng, Fangming Deng
The existing deep learning transmission line detection technology with cloud computing is faced with problems such as slow response speed, high communication cost, and difficult to obtain data scattered, as well as the huge amount of data, which causes huge pressure on cloud storage capacity and processing capacity. This paper proposes a transmission line defect detection technology based on adaptive federated learning (FL). Its advantage is that data does not need to be uploaded and shared, which not only reduces communication costs, but also improves data security. In this paper, an adaptive algorithm is added to the original FL algorithm, which can adaptively change the data volume of the next round of training according to the training effect of each round and the local training energy consumption, so as to achieve the optimal number of communication between the two, which greatly reduces the Improve training speed and reduce communication costs. Through experimental analysis, the model training efficiency of the adaptive FL proposed in this paper is 70% higher than that of the centralized cloud computing, and the computing cost is saved by about 40%.
现有的基于云计算的深度学习传输线检测技术面临着响应速度慢、通信成本高、数据分散难以获取等问题,且数据量巨大,对云存储容量和处理能力造成巨大压力。提出了一种基于自适应联邦学习(FL)的输电线路缺陷检测技术。它的优点是数据不需要上传和共享,既降低了通信成本,又提高了数据的安全性。本文在原FL算法的基础上增加了一种自适应算法,可以根据每轮训练效果和局部训练能耗自适应改变下一轮训练的数据量,从而达到两者之间的最优通信次数,大大降低了训练速度的提高和通信成本的降低。通过实验分析,本文提出的自适应FL的模型训练效率比集中式云计算提高70%,计算成本节约约40%。
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引用次数: 0
3D Reconstruction of Astronomical Site Selection Based on Multi-Source Remote Sensing 基于多源遥感的天文选址三维重建
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046589
Xinhua Huang, Haocheng Liu, Qingkai Meng
The significance of astronomical site selection in site selection impacts the extent of utilization of astronomical science equipment and the accessibility of observation findings, which is related to both the progress of astronomical science and the expensive resource investment. In order to show the topography and important geographic factors of the Saishten Mountains and Xueshan Pastures potential areas. In this study, we undertake a 3D reconstruction of the astronomical site selection region using Chinese Gaofen satellite images, tailored high-resolution dem data, and a 3D platform, offering a precise visualization help for site planning. The study results show that (1) The 3D reconstruction is quite effective and useful for site selection, according to the results. (2) All candidate locations offer favorable topography, terrain, and elevation characteristics for the astronomical site selection, with the exception of the candidate site in the Saishten Mountains, which necessitates additional thought for the engineering and geological safety of the site selection. (3) Each candidate site's platform area is suitable for the deployment of astronomical research equipment, but the platform space at Snow Mountain Ranch is particularly well suited for the positioning of sizable astronomical scientific equipment.
天文站点选址的重要性影响着天文科学设备的利用程度和观测成果的可及性,这既与天文科学的进步有关,也与昂贵的资源投入有关。为了揭示赛石腾山和雪山牧区的地形特征和重要地理因素。在本研究中,我们利用中国高分卫星图像、量身定制的高分辨率dem数据和三维平台对天文选址区域进行三维重建,为选址规划提供精确的可视化帮助。研究结果表明:(1)三维重建是非常有效的,对选址非常有用。(2)所有候选地点都具有有利的地形、地形和高程特征,但赛什滕山候选地点除外,这需要额外考虑选址的工程和地质安全。(3)各候选站点的平台面积适合部署天文科研设备,但雪山牧场的平台空间特别适合大型天文科学设备的定位。
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引用次数: 0
Research on Collision Avoidance Path Planning of Dual Manipulator Robot Based on Fusion Algorithm 基于融合算法的双机械手避碰路径规划研究
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046590
Chenyang Sun, Xiangjun Liu, Runjie Shen
When a dual manipulator robot performs handling operations in a complex space, it is important to plan a collision avoidance path to the target point quickly and accurately. In order to solve the problems of local minimum and high sampling randomness of traditional path planning algorithms, a new fusion algorithm is proposed for global path planning of a dual manipulator robot. First, an improved artificial potential field (IAPF) method is mentioned for path planning in the start and target point areas. Then, for the local minimum problem, an improved RRT algorithm (IRRT) based on the ε-greedy sampling target biasing strategy and repeated iterative update strategy is fused to reduce the randomness of random tree growth, and explore an optimal path that grows toward the target as much as possible for jumping out of the local minimum area. The URDF model file of the dual manipulator robot is created, and simulation experiments of path planning are conducted based on the Rviz visualization tool under Ros system, which proves the effectiveness of the fusion algorithm.
双机械手机器人在复杂空间中进行搬运作业时,快速准确地规划到目标点的避碰路径是十分重要的。针对传统路径规划算法存在的局部最小值和高采样随机性问题,提出了一种新的双机械手机器人全局路径规划融合算法。首先,提出了一种改进的人工势场(IAPF)方法,用于起始点和目标点区域的路径规划。然后,针对局部最小问题,将基于ε-贪心采样目标偏置策略和重复迭代更新策略的改进RRT算法(IRRT)融合在一起,降低随机树生长的随机性,探索一条尽可能向目标生长的最优路径,以跳出局部最小区域。建立了双机械手机器人的URDF模型文件,并在Ros系统下基于Rviz可视化工具进行了路径规划仿真实验,验证了融合算法的有效性。
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引用次数: 0
YOLO-BTM: A Novel Shuttlecock Detection Method for Embedded Badminton Robots 基于YOLO-BTM的嵌入式羽毛球机器人羽毛球检测方法
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046579
Yimin Zhang, Chuxuan Chen, Ronglin Hu
Employing robots in badminton training contributes to a more accurate analysis of an athlete's movements and helps avoid injuries. Shuttlecock detection during the flying stage is a critical component of the badminton robot design. However, previous shuttlecock localization methods were unable to detect shuttlecock quickly and accurately in embedded device-based badminton robots, given scale variations, few extractable features, occlusion, and device limitation. In this paper, a deep learning-based shuttlecock localization method is proposed. First, an indoor shuttlecock dataset including 9548 shuttlecock images of various angles and scenes was constructed. Then a shuttlecock detection method YOLO-BTM is proposed, which is based on YOLOv4-Tiny. We proposed a new convolution block to replace the cross-stage partially block in the backbone, to improve the detection speed. To improve the network's ability to detect small objects, the efficient channel attention block is introduced in feature fusion. Finally, a comparative experiment on the accuracy of the method and the detection speed was conducted. The results show that the proposed YOLO-BTM has better performance in detection speed and accuracy compared to the existing state-of-the-art object detection methods on our own shuttlecock dataset. Our method enables real-time, accurate localization of shuttlecock and has the potential to be used in other embedded device based sports robots.
在羽毛球训练中使用机器人有助于更准确地分析运动员的动作,并有助于避免受伤。羽毛球飞行阶段的检测是羽毛球机器人设计的重要组成部分。然而,由于尺寸变化、可提取特征少、遮挡和设备限制,以往的羽毛球定位方法无法快速准确地检测基于嵌入式设备的羽毛球机器人中的羽毛球。提出了一种基于深度学习的羽毛球定位方法。首先,构建了包含9548幅不同角度、不同场景的室内毽子图像的数据集。在此基础上,提出了一种基于YOLOv4-Tiny的羽毛球检测方法YOLO-BTM。为了提高检测速度,我们提出了一种新的卷积块来取代主干中的跨级部分卷积块。为了提高网络对小目标的检测能力,在特征融合中引入了有效的通道注意块。最后,对该方法的精度和检测速度进行了对比实验。结果表明,在我们自己的羽毛球数据集上,与现有的最先进的目标检测方法相比,所提出的YOLO-BTM在检测速度和精度方面具有更好的性能。我们的方法能够实时、准确地定位毽子,并有潜力用于其他基于嵌入式设备的运动机器人。
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引用次数: 1
HLA: Harmonized Label Assigner for Two-stage Oriented Object Detection 面向两阶段目标检测的协调标签分配器
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046644
Qimeng Chen, Tong Zheng, Liu Liu, Longji Yu, Zhong Chen
The existing state-of-the-arts two-stage oriented object detectors have no significant improvement in the label assignment strategies, and the most widely-used one is the so-called Max IoU Assigner (MIA). In this paper, we first illustrate that MIA may cause matching conflicts in some cases, hinder the matching of ground-truth (GT) boxes with high-quality samples, which is extremely harmful to the training process. After that, we propose a Harmonized Label Assigner (HLA) for the oriented RPN, which can automatically harmonize the assignment priority of each GT box according to the corresponding number of candidate samples, solve the matching conflicts, and improve the detection accuracy of the two-stage oriented detectors. Finally, we implement the proposed HLA on Oriented R-CNN and conduct sufficient experiments on two public datasets (MAR20 and HRSC2016). Without tricks, our HLA significantly improves the detection accuracy of the detector to 83.97% mAP (on MAR20) and 90.42% mAP (on HRSC2016), respectively.
现有的两级定向目标检测器在标签分配策略上没有明显的改进,其中使用最广泛的是所谓的最大标签分配器(MIA)。在本文中,我们首先说明MIA在某些情况下可能会导致匹配冲突,阻碍ground-truth (GT) boxes与高质量样本的匹配,这对训练过程是极其有害的。在此基础上,提出了一种面向RPN的协调标签分配器(Harmonized Label Assigner, HLA),该方法可以根据对应的候选样本数量自动协调每个GT盒的分配优先级,解决匹配冲突,提高两级面向检测器的检测精度。最后,我们在Oriented R-CNN上实现了所提出的HLA,并在两个公共数据集(MAR20和HRSC2016)上进行了充分的实验。在没有任何技巧的情况下,我们的HLA显著提高了检测器的检测准确率,分别达到83.97% mAP(在MAR20上)和90.42% mAP(在HRSC2016上)。
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引用次数: 0
Design and Analysis of Intelligent Robot Arm for FAST Operation and Maintenance 面向快速运维的智能机械臂设计与分析
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046453
Hongxi Ren, Ligang Qiang, Lin Li, Taokang Xiao, Dingan Song, Zhiyuan Zhang
In view of the long-term operation and maintenance needs of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) feed cabin, focusing on the practical problems of limited installation space of the feed cabin, numerous disassembly and assembly bolts, low disassembly and assembly efficiency of the feed cabin and high cost, an intelligent robot arm integrating positioning, identification and disassembly is designed. Through the stability analysis of the control system, the amplitude margin is 5.69dB and the phase margin is 49.1deg, meeting the system stability requirements. Through finite element static analysis, modal analysis, harmonic response analysis and test verification, the effective operation and maintenance radius of the robot arm is 1.5m, the maximum torque can reach 130N·m, and the movement space is ±170 °, which can realize the rapid disassembly and assembly of M8 bolts and M12 bolts, and provide technical support for the operation and maintenance of FAST feed cabin.
针对500米口径球面射电望远镜(FAST)进给舱长期运行维护的需要,针对进给舱安装空间有限、拆装螺栓众多、进给舱拆装效率低、成本高等实际问题,设计了一种集定位、识别、拆装于一体的智能机械臂。通过对控制系统的稳定性分析,其幅值裕度为5.69dB,相位裕度为49.1°,满足系统稳定性要求。通过有限元静力分析、模态分析、谐波响应分析和试验验证,该机械臂的有效运维半径为1.5m,最大扭矩可达130N·m,运动空间为±170°,可实现M8螺栓和M12螺栓的快速拆装,为FAST进给舱运维提供技术支持。
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引用次数: 0
Directory of ICARCE 2022 Conference Proceedings ICARCE 2022会议论文集目录
Pub Date : 2022-12-16 DOI: 10.1109/icarce55724.2022.10046627
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引用次数: 0
Development of a Framework for Data-Driven Modeling with Cloud Services in the Process Industry 过程工业中基于云服务的数据驱动建模框架的开发
Pub Date : 2022-12-16 DOI: 10.1109/ICARCE55724.2022.10046584
Dominik Polke, Florian Diepers, Elmar Ahle, D. Söffker
The chemical process industry is currently undergoing a transformation to Chemistry 4.0, where digitalization, modularization, sustainability, and the circular economy are coming into focus. A growing interest in the use of process data with the aim of gaining a better understanding of the production process and conserving resources can be observed. Data-driven modeling is used in chemical industry when the production process is too complex to be described by chemical laws. Gaining knowledge of the chemical relationships can lead to resource-conserving production. In this paper, a framework to optimize the process of data-driven modeling in an industrial environment is presented. For generating data-driven models of industrial processes, many manual and time-consuming steps have to be carried out. This leads to delay in information acquisition and process optimization. Therefore, the presented framework automates these steps to accelerate the process of data-driven modeling. The steps are to extract the data from a process control system (PCS), make the data available for data-driven modeling, train the model, and deploy the model for predicting the process. To achieve high availability of the data and generate data-driven models, cloud services are used. The framework of this paper is applied to a high-throughput formulation system (HTFS) for coatings. In this paper, Gaussian processes are used for data-driven modeling. The evaluation of the framework shows the usefulness in this domain, but also the flexibility and scalability of this framework.
化学过程工业目前正在向化学4.0转型,数字化、模块化、可持续性和循环经济成为重点。可以观察到,为了更好地了解生产过程和节约资源,人们对使用过程数据越来越感兴趣。当化工生产过程过于复杂,无法用化学定律来描述时,数据驱动建模被用于化工行业。获得化学关系的知识可以导致资源节约的生产。本文提出了一个优化工业环境下数据驱动建模过程的框架。为了生成工业过程的数据驱动模型,必须执行许多手动且耗时的步骤。这将导致信息获取和流程优化的延迟。因此,所提出的框架将这些步骤自动化,以加速数据驱动建模的过程。步骤是从过程控制系统(PCS)中提取数据,使数据可用于数据驱动的建模,训练模型,并部署模型以预测过程。为了实现数据的高可用性并生成数据驱动的模型,需要使用云服务。本文的框架应用于涂料的高通量配方系统。本文采用高斯过程进行数据驱动建模。对该框架的评估表明了该框架在该领域的实用性,以及该框架的灵活性和可扩展性。
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引用次数: 2
期刊
2022 International Conference on Automation, Robotics and Computer Engineering (ICARCE)
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