arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2103.14819eess.SYcs.SY
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备份计划约束模型预测控制

Backup Plan Constrained Model Predictive Control

Hunmin Kim, Hyungjin Yoon, Wenbin Wan, Naira Hovakimyan, Lui Sha, Petros Voulgaris

摘要:

本文提出了一种新的安全概念:后备计划安全。后备计划的安全性被定义为在主要任务流产的情况下完成其中一个替代任务的能力。为了将这种新的安全概念的控制问题,我们制定了一个可行性最大化的问题,采用额外的(虚拟)输入视野对替代任务的输入视野上的主要任务。主要任务和备选任务的代价函数构造多个目标,并且多水平输入评估它们。为了解决可行性最大化问题,我们开发了一种多时域多目标模型预测路径积分控制(3M)算法。模型预测路径积分控制(MPPI)是一种基于采样的方案,可以帮助所提出的算法处理非线性动态系统,并通过并行计算来实现计算效率。通过对飞行器和地面车辆控制问题的仿真,验证了备份计划安全性的新概念和所提算法的性能。

英文摘要:

This article proposes a new safety concept: backup plan safety. The backup plan safety is defined as the ability to complete one of the alternative missions in the case of primary mission abortion. To incorporate this new safety concept in control problems, we formulate a feasibility maximization problem that adopts additional (virtual) input horizons toward the alternative missions on top of the input horizon toward the primary mission. Cost functions for the primary and alternative missions construct multiple objectives, and multi-horizon inputs evaluate them. To address the feasibility maximization problem, we develop a multi-horizon multi-objective model predictive path integral control (3M) algorithm. Model predictive path integral control (MPPI) is a sampling-based scheme that can help the proposed algorithm deal with nonlinear dynamic systems and achieve computational efficiency by parallel computation. Simulations of the aerial vehicle and ground vehicle control problems demonstrate the new concept of backup plan safety and the performance of the proposed algorithm.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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