中文

基于随机爬山算法与关联搜索单元的被动单向系统在线鲁棒自适应离散时间调节器

系统与控制 2022-01-03 v1 系统与控制

摘要

非线性离散时间状态反馈调节器广泛用于被动单向系统。调节这些调节器的参数需要离线系统辨识。然而,在某些应用中离线系统辨识具有挑战性。此外,系统参数可能随时间缓慢变化,使系统辨识效果变差。已有许多自适应调节器被提出,以在离线信息不可得或非时不变时在线调节参数。这些自适应调节器的稳定性与收敛性颇具挑战,尤其在单向系统中。本文针对一阶单向被动系统提出一种新型自适应调节器。该方法中,关联搜索单元检验更新律的适用性,随后随机爬山算法更新离散时间状态反馈调节器的参数。仿真结果证明了所提方法的有效性。对两个被动系统的调节实验显示了该方法在存在噪声与扰动时调节被动单向系统的能力。

关键词

引用

@article{arxiv.2112.14901,
  title  = {On-Policy Robust Adaptive Discrete-Time Regulator for Passive Unidirectional System using Stochastic Hill-climbing Algorithm and Associated Search Element},
  author = {Mohsen Jafarzadeh and Nicholas Gans and Yonas Tadesse},
  journal= {arXiv preprint arXiv:2112.14901},
  year   = {2022}
}

备注

This paper is original and not published anywhere. It showed effectiveness in controlling unidirectional systems (thermal actuators) such as SMA and TCP actuators. It has 24 pages including references, 9 figures and 6 algorithms. Both theoretical simulations and experiments are included