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arXiv 2404.07571math.OCcs.SYeess.SY
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连续时间无违约多智能体优化算法及其在安全分布式控制中的应用

A continuous-time violation-free multi-agent optimization algorithm and its applications to safe distributed control

Xiao Tan, Changxin Liu, Karl H. Johansson, Dimos V. Dimarogonas

AI总结:

提出一种保证零耦合约束违约的连续时间分布式优化算法,通过等价解耦与次梯度更新实现局部计算,并应用于CBF安全分布式控制,在时变QP中实现有限时间收敛。

摘要:

在本研究中,我们提出了一种连续时间分布式优化算法,保证零耦合约束违约,并将其应用于存在多个控制屏障函数(CBF)的安全分布式控制。该优化问题定义在一个网络上,网络集体最小化一个带有耦合线性约束的可分离成本函数。我们提出了一个带有辅助决策变量和解耦结构的等价优化问题。敏感性分析表明,次梯度信息可以使用局部信息计算。这进而引出了一种用于更新辅助变量的次梯度算法。我们进一步考虑了具有稀疏耦合约束的情况,并表明它具有更好的内存和通信效率。对于CBF诱导的时变二次规划(QP)的特定情况,我们提出了一种实现有限时间收敛的更新律。涉及静态资源分配问题和多智能体系统安全协调问题的数值结果证明了我们提出算法的效率和有效性。

英文摘要:

In this work, we propose a continuous-time distributed optimization algorithm with guaranteed zero coupling constraint violation and apply it to safe distributed control in the presence of multiple control barrier functions (CBF). The optimization problem is defined over a network that collectively minimizes a separable cost function with coupled linear constraints. An equivalent optimization problem with auxiliary decision variables and a decoupling structure is proposed. A sensitivity analysis demonstrates that the subgradient information can be computed using local information. This then leads to a subgradient algorithm for updating the auxiliary variables. A case with sparse coupling constraints is further considered, and it is shown to have better memory and communication efficiency. For the specific case of a CBF-induced time-varying quadratic program (QP), an update law is proposed that achieves finite-time convergence. Numerical results involving a static resource allocation problem and a safe coordination problem for a multi-agent system demonstrate the efficiency and effectiveness of our proposed algorithms.

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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