With the nonlinear and time variable characteristics of hydraulic turbine regulation system, high qualified speed adjustment system cannot be achieved with the conventional PID controller.
水轮机调节系统具有非线性和时变性的特性，传统的PID控制器无法获得高性能的调速系统。
Establishing an accurate nonlinear mechanism model is the key of optimal regulation in fermentation process.
建立准确的非线性机理模型是发酵过程优化调控的关键。
In order to realize the functions of harmonic compensation and voltage regulation for nonlinear loads, a hybrid shunt active power filter is proposed.
为实现对非线性负载的谐波补偿和电压调节功能，提出了一种混合型并联有源滤波器。
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