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针对一类有限多输入多输出线性时不变对象集,提出一种调节输出通道增益/相角裕度的方法.采用增益相角裕度测试器理论,将问题转化为有限不确定对象集的稳定性问题;基于连续线性二次调节器理论,设计针对单个对象的输出反馈控制器;利用周期控制方法,设计针对有限对象集的线性周期控制器.该控制器可使有限对象集的所有反馈控制回路在输出通道同时实现任意大的增益裕度和直到90°的相角裕度.仿真结果表明了该方法的有效性.
Aiming at a class of invariant linear time-invariant object sets with a finite number of inputs and outputs, a method of adjusting the output channel gain / phase margin is proposed. The gain-phase margin tester theory is used to convert the problem into a finite set of uncertain objects Based on the continuous linear secondary regulator theory, an output feedback controller designed for a single object is designed, and a periodic controller for a finite set of objects is designed by using the periodic control method. The controller can make all the feedback of a finite object set The control loop achieves any large gain margin and phase margin up to 90 ° on the output channel. Simulation results show the effectiveness of this method.