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研究了基于比例、积分和微分控制分量非线性方法合成的非线性PID智能控制器.该PID控制器将比例、积分和微分控制分量分别用三角函数表示为误差信号的非线性函数,并通过三个独立的非线性函数构造合成PID控制器.通过在线调整三个独立非线性函数的权值系数,使该控制器实现不依赖于非线性对象模型的智能控制.仿真结果表明该控制器具有优异的非线性控制性能.
The nonlinear PID controller based on the nonlinear method of proportional, integral and differential control components is studied. The PID controller uses the trigonometric functions as the nonlinear function of the error signal respectively, A set of independent nonlinear functions is constructed to synthesize the PID controller.The controller can realize the intelligent control independent of the nonlinear object model by adjusting the weight coefficient of three independent nonlinear functions online.The simulation results show that the controller has excellent performance The nonlinear control performance.