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Model Reference Adaptive Control with Linear-like Closed-loop Behavior
arXiv - CS - Systems and Control Pub Date : 2021-09-22 , DOI: arxiv-2109.10611 Mohamad T. Shahab, Daniel E. Miller
arXiv - CS - Systems and Control Pub Date : 2021-09-22 , DOI: arxiv-2109.10611 Mohamad T. Shahab, Daniel E. Miller
It is typically proven in adaptive control that asymptotic stabilization and
tracking holds, and that at best a bounded-noise bounded-state property is
proven. Recently, it has been shown in both the pole-placement control and the
$d$-step ahead control settings that if, as part of the adaptive controller, a
parameter estimator based on the original projection algorithm is used and the
parameter estimates are restricted to a convex set, then the closed-loop system
experiences linear-like behavior: exponential stability, a bounded gain on the
noise in every $p$-norm, and a convolution bound on the exogenous inputs; this
can be leveraged to provide tolerance to unmodelled dynamics and plant
parameter time-variation. In this paper, we extend the approach to the more
general Model Reference Adaptive Control (MRAC) problem and demonstrate that we
achieve the same desirable linear-like closed-loop properties.
中文翻译:
具有类线性闭环行为的模型参考自适应控制
通常在自适应控制中证明渐近稳定和跟踪成立,并且充其量证明了有界噪声有界状态属性。最近,在极点放置控制和 $d$-step 超前控制设置中都表明,如果作为自适应控制器的一部分,使用基于原始投影算法的参数估计器并且参数估计受到限制到凸集,则闭环系统会经历类似线性的行为:指数稳定性,每个 $p$-范数中噪声的有界增益,以及外生输入上的卷积边界;这可以用来提供对未建模动力学和工厂参数时间变化的容忍度。在本文中,
更新日期:2021-09-23
中文翻译:
具有类线性闭环行为的模型参考自适应控制
通常在自适应控制中证明渐近稳定和跟踪成立,并且充其量证明了有界噪声有界状态属性。最近,在极点放置控制和 $d$-step 超前控制设置中都表明,如果作为自适应控制器的一部分,使用基于原始投影算法的参数估计器并且参数估计受到限制到凸集,则闭环系统会经历类似线性的行为:指数稳定性,每个 $p$-范数中噪声的有界增益,以及外生输入上的卷积边界;这可以用来提供对未建模动力学和工厂参数时间变化的容忍度。在本文中,