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Nonlinear scheduled anti-windup design for linear systems

机译:线性系统的非线性调度抗饱和设计

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摘要

The nonlinear L2 anti-windup framework introduced in Teel and Kapor (1997) reduces the anti-windup synthesis problem to a state feedback synthesis problem for linear systems with input saturation and input matched L2 disturbances. In this note, based on the structure proposed in that previous paper, we provide a linear matrix ineqaulity (LMI) formulation of high-performance anti-windup design for control systems with linear asymptotically stable plants. In particular, we first give a linear quadratic-based formulation of linear anti-windup compensation, in terms of the solution of a set of (always feasible) LMI constraints. Then, we propose a nonlinear scheduling technique, where hysteresis switching among a family of linear gains is employed for performance improvement. Both design techniques are demonstrated on an academic example.
机译:Teel和Kapor(1997)中引入的非线性L2反饱和框架将线性化系统的反饱和综合问题简化为状态反馈综合问题,该线性系统具有输入饱和和输入匹配的L2干扰。在此注释中,基于前一论文提出的结构,我们为具有线性渐近稳定工厂的控制系统提供了高性能抗饱和设计的线性矩阵不等式(LMI)公式。特别是,我们首先根据一组(总是可行的)LMI约束的解决方案,给出了基于线性二次方的线性抗饱和补偿公式。然后,我们提出了一种非线性调度技术,其中采用线性增益系列之间的磁滞切换来提高性能。两种设计技术均在一个学术实例中进行了演示。

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