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非线性PID控制方法是一种处理非线性控制问题的简单直接的办法。将这一方法应用于脉宽调制变换器的非线性无穷大频率平均模型，通过对升降压式变换器数字仿真分析，说明了变换器非线性ND控制器的调节性能，从而表明非线性PID控制器应用于开关式直流功率变换器的控制是可行的。
The nonlinear PID control method is a simple and straightforward way to deal with nonlinear control problems. This method is applied to the nonlinear infinite frequency-averaged model of pulse-width modulation converter. Through the digital simulation analysis of the buck-boost converter, the adjustment performance of the converter nonlinear ND controller is illustrated, which shows that the nonlinear PID control It is feasible to apply the control of the switching DC power converter.