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arXiv 2203.02616cs.ROcs.AI
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接触丰富系统鲁棒操作的机会约束优化

Chance-Constrained Optimization in Contact-Rich Systems for Robust Manipulation

University of California, Los Angeles(加州大学洛杉矶分校);Mitsubishi Electric Research Laboratories(三菱电机研究实验室)

Yuki Shirai, Devesh K. Jha, Arvind Raghunathan, Diego Romeres

摘要:

提出了一种基于机会约束的操纵鲁棒轨迹优化方法。特别是,我们提出了一个随机离散时间线性互补系统(SDLCS)的机会约束优化。为了解决这一优化问题,我们提出了机会约束混合二次规划(MIQPCC)。在我们的配方中,我们明确考虑联合机会约束互补性,以及国家捕捉随机演化的动态。我们评估我们的优化轨迹在几个系统上的仿真鲁棒性。所提出的方法优于最近的一些方法的鲁棒轨迹优化SDLCS。

英文摘要:

This paper presents a chance-constrained formulation for robust trajectory optimization during manipulation. In particular, we present a chance-constrained optimization for Stochastic Discrete-time Linear Complementarity Systems (SDLCS). To solve the optimization problem, we formulate Mixed-Integer Quadratic Programming with Chance Constraints (MIQPCC). In our formulation, we explicitly consider joint chance constraints for complementarity as well as states to capture the stochastic evolution of dynamics. We evaluate robustness of our optimized trajectories in simulation on several systems. The proposed approach outperforms some recent approaches for robust trajectory optimization for SDLCS.

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