Consensus Complementarity Control for Multi-Contact MPC

Consensus Complementarity Control for Multi-Contact MPC
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多接触 MPC 的共识互补控制

DOI:
10.48550/arxiv.2304.11259
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发表时间:
2023
期刊:
ArXiv
影响因子:
--
通讯作者:
Michael Posa
Michael Posa
中科院分区:
--
文献类型:
--
作者:
Alp Aydinoglu;Adam Wei;Michael Posa

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我们提出了一种混合模型预测控制算法,即共识互补控制(C3),用于控制系统与环境的接触和断开。许多最先进的控制器用于需要与环境进行初始接触的任务,例如移动和操纵,需要先验模式调度,或者计算过于复杂而无法以实时速率运行。提出了一种基于交替方向乘子法(ADMM)的方法,能够对潜在的接触事件进行高速推理。通过一致的公式,我们的方法使得联系人调度问题能够并行化。我们用五个数值算例验证了我们的结果,包括四个高维摩擦接触问题和一个欠驱动多接触系统的物理实验。我们进一步证明了我们的方法在一个物理实验中的有效性,该实验用一个机械臂完成了一个高维、多接触的操作任务。
We propose a hybrid model predictive control algorithm, consensus complementarity control (C3), for systems that make and break contact with their environment. Many state-of-the-art controllers for tasks which require initiating contact with the environment, such as locomotion and manipulation, require a priori mode schedules or are too computationally complex to run at real-time rates. We present a method based on the alternating direction method of multipliers (ADMM) that is capable of high-speed reasoning over potential contact events. Via a consensus formulation, our approach enables parallelization of the contact scheduling problem. We validate our results on five numerical examples, including four high-dimensional frictional contact problems, and a physical experimentation on an underactuated multi-contact system. We further demonstrate the effectiveness of our method on a physical experiment accomplishing a high-dimensional, multi-contact manipulation task with a robot arm.
用于 3D 准动态灵巧操作的接触模式引导运动规划
DOI: 10.1109/icra46639.2022.9811872
发表时间: 2022
期刊: 2022 International Conference on Robotics and Automation (ICRA
影响因子: --
作者:
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通讯作者: Mason, Matthew T.
DOI: --
发表时间: 2022
期刊: Learning for Dynamics and Control Conference
影响因子: --
作者:
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发表时间: 2022
期刊: 2022 IEEE International Conference on Robotics and Automation (ICRA
影响因子: --
作者:
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ContactNets:通过平滑、隐式表示学习不连续接触动力学
DOI: --
发表时间: 2020
期刊: Conference on Robot Learning
影响因子: --
作者:
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通讯作者: Posa, Michael