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Precision Assembly Among Multiple Thin Objects With Various Fit Types

机译:在各种配合类型的多个薄物体之间精确组装

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This paper investigates precision assembly combining several subprocesses on a platform with multiple robot arms. The task manipulates irregular objects and incorporates interference and clearance assemblies. We use a mechanism with six robot arms and three microscopes to fulfill this assignment, and propose a general control strategy to attain high precision and protect objects. System calibration includes the image Jacobian matrix to connect Cartesian motion with the image movement and force transformation matrix to relate between coordinates of force sensor and manipulators. In the control structure, a general strategy is proposed for assembly with multiple manipulators, in which we present an assembly plan module to generate desired states of each object by using an optimization approach, design a method to determine the collision when blocking, and propose a hybrid control scheme for both contact and clearance assembly controllers. Experiments are carried out to demonstrate the validation of the proposed methods.
机译:本文研究了在具有多个机械手的平台上结合了几个子过程的精密装配。该任务操纵不规则物体,并包含干涉和间隙组件。我们使用具有六个机械臂和三个显微镜的机制来完成此任务,并提出一种通用控制策略以实现高精度和保护对象。系统校准包括将笛卡尔运动与图像运动联系起来的图像雅可比矩阵和力转换矩阵,以在力传感器和机械手的坐标之间建立联系。在控制结构中,提出了一种使用多个机械手进行装配的通用策略,其中,我们提出了一个装配计划模块,以使用优化方法生成每个对象的期望状态,设计一种在阻塞时确定碰撞的方法,并提出一种解决方案。接触和间隙装配控制器的混合控制方案。进行实验以证明所提出方法的有效性。

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