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RI: Small: Mechanics, Manipulation, and Perception of Deformable Objects for Robotic Manufacturing

RI: Small: Mechanics, Manipulation, and Perception of Deformable Objects for Robotic Manufacturing
RI:小:机器人制造中可变形物体的力学、操纵和感知
批准号:
1320519
负责人:
Timothy Bretl
金额:
$45.0万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2013
资助国家:
美国
项目状态:
已结题
起止时间:
2013-08-15 至 2017-07-31

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中文摘要
翻译
该项目的动机是美国中小型企业对自动化处理和组装合规部件的需求。作为一个案例研究,它侧重于线束的机器人安装(在电气连接器中终止的一束电线)。这种制造任务无处不在,但很难实现自动化,因为它需要对线束的变形进行推理。该项目正在通过基于物体形状的新颖表示的可变形物体的操作和感知的新算法来解决这一挑战。它首先考虑对单根电线(线束的一段)的操纵。它将这条线的形状表示为一个几何最优控制问题的解,并表明该问题的所有解的集合是一个光滑流形,可以用单个坐标图参数化。这一结果导致操作规划算法工作良好,易于实现。目标包括扩展该模型以考虑变刚度、塑性变形和分支;使操作计划对扰动具有鲁棒性;根据传感器数据估计材料的性能和形状;并通过实验演示机器人安装线束。拓展工作包括共同指导一个为期一周的高中生暑期学院,指导本科生研究人员,组织一个工业论坛。
英文摘要
The project is motivated by the need of small-to-medium sized businesses in the United States to automate handling and assembly of compliant parts. As a case study, it focuses on robotic installation of a wire harness (a bundle of wires that terminate in electrical connectors). This manufacturing task is ubiquitous but hard to automate because it requires reasoning about deformation of the wire harness. The project is addressing this challenge with new algorithms for manipulation and perception of deformable objects that are based on novel representations of object shape. It considers first the manipulation of a single wire (one piece of a wire harness). It expresses the shape of this wire as the solution to a geometric optimal control problem, and shows that the set of all solutions to this problem is a smooth manifold that can be parameterized by a single coordinate chart. This result leads to an algorithm for manipulation planning that works well and is easy to implement. Objectives include extending this model to consider variable stiffness, plastic deformation, and branching; making manipulation plans robust to perturbation; estimating material properties and shape from sensor data; and experimentally demonstrating robotic installation of a wire harness. Outreach efforts include co-directing a week-long summer institute for high school students, mentoring undergraduate researchers, and organizing an industrial forum.
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会议论文
CAREER: Mechanics and Control of Brain-Machine Interface Systems
CMMI Workshop on Neuromechanical Engineering
CPS: Small: Mathematical, Computational, and Perceptual Foundations for Interactive Cyber-Physical Systems
EAGER: Mechanical Symmetry and the Origins of Language
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