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Pareto optimization-based trade-off between the visual resolvability and the intersection space of view of binocular microscopic vision system for microassembly systems

机译：用于微型装配系统的双目显微镜视觉系统的视觉可分辨性和交点之间基于Pareto优化的折衷

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摘要

Visual resolvability and intersection space of view of a binocular microscopic vision system (MVS) in microassembly systems have influences on each other via analyzing theoretically. According to requirements of various microassembly tasks, it is an explicit problem how to find the best compromise between the visual resolvability of binocular MVS and its intersection space of view in three-dimensional space. A Pareto optimization-based method to make the trade-off between the visual resolvability and the intersection space of view of binocular MVS with relevant fixed parameters in microassembly systems is proposed. Through modeling and analyzing on the visual resolvability and intersection space of view of a binocular MVS, the topology and optical magnifications of two MVSs are considered as the key parameters to optimize its physical properties. A multi-objection optimization model based on a Pareto optimization method is formulated and used to find the Pareto optimal cure, namely the Pareto front, which represents the best trade-off between the visual resolvability and the intersection space of view of a binocular MVS. On these bases, the physical properties of a binocular MVS with structural parameters corresponding to the optimization solutions are numerically simulated. Accordingly, a binocular MVS with different parameters is established on an automatic microassembly system with a single manipulator with five degree-of-freedom and experimentally tested. The simulation and experimental results indicate that all of the optimal solutions, which locate on the Pareto front, are the best trade-off between the visual resolvability and the intersection space of view of a binocular MVS. According to the Pareto front, physical parameters of a binocular MVS can be chosen to get the optimal visual resolvability with a certain intersection space Of View and vice versa.
机译：通过理论分析，微装配系统中双目显微视觉系统（MVS）的视觉可分辨性和相交空间相互影响。根据各种微型装配任务的要求，如何在双目MVS的视觉可分辨性及其在三维空间中的相交空间之间找到最佳折衷是一个明显的问题。提出了一种基于帕累托优化的方法，在微型装配系统中，在视觉可分辨性和具有相关固定参数的双目MVS的视图相交空间之间进行权衡。通过对双目MVS的视觉可分辨性和相交空间进行建模和分析，将两个MVS的拓扑和光学放大倍数视为优化其物理性能的关键参数。建立了基于帕累托优化方法的多目标优化模型，并用于找到帕累托最优固化方法，即帕累托前沿，它代表了双目MVS的视觉可分辨性和相交空间之间的最佳折衷。在这些基础上，数值模拟了具有相应于优化解的结构参数的双目MVS的物理特性。因此，在具有五个自由度的单个操纵器的自动微装配系统上建立了具有不同参数的双目MVS，并进行了实验测试。仿真和实验结果表明，位于Pareto前沿的所有最优解都是在双目MVS的视觉可分辨性和相交空间之间的最佳折衷方案。根据帕累托阵线，可以选择双目MVS的物理参数，以在一定的相交空间内获得最佳的视觉可分辨性，反之亦然。

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  • 来源
    《Optical engineering》 |2018年第5期|053115.1-053115.14|共14页
  • 作者

    Dai-Hua Wang; Kan Wang; Zhao-Ming Wu;

  • 作者单位

    Chongqing University, Key Laboratory of Optoelectronic Technology and Systems of the Ministry of Education of China, Chongqing, China,Chongqing University, Precision and Intelligence Laboratory, College of Optoelectronic Engineering, Chongqing, China;

    Chongqing University, Key Laboratory of Optoelectronic Technology and Systems of the Ministry of Education of China, Chongqing, China,Chongqing University, Precision and Intelligence Laboratory, College of Optoelectronic Engineering, Chongqing, China;

    Chongqing University, Key Laboratory of Optoelectronic Technology and Systems of the Ministry of Education of China, Chongqing, China,Chongqing University, Precision and Intelligence Laboratory, College of Optoelectronic Engineering, Chongqing, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    visual resolvability; intersection space of view; microscopic vision system; Pareto optimization; microassembly;

    机译：视觉分辨率相交空间显微视觉系统帕累托优化;微装配;

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