In the view that certain complex questions exist in the PID control system's parameter installation of the convention direct current machine, this article proposes the new method of optimun parameter and design in combination with the theory of the optimum control based on the linear quadratic form. Through the introkuction of the augmented equation, it also infers the controller in which the PID parameter is optimized based on the guadratic form of the system. Through the simulation analysis of the DC. Machine, it is confirmed that this method is rational and optimal.%针对常规直流电动机PID控制系统的参数整定存在一定复杂性的问题,结合线性二次型最优控制的理论,提出了一种新的参数优化和设计的方法.通过引入增广方程,推导出系统的二次型优化PID参数的控制器.对直流电动机模型进行仿真分析,验证了该方法的合理性和优化性.
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