According to the character non-linear of the fuel cell power plant inverter system, the linear treatment is taken and digital PI control of the output waveform is proposed.
根据燃料电池电站功率逆变系统非线性的特点，进行线性化处理，采用数字化PI控制其输出波形。
The digital inverter is controlled by a TMS320F240 DSP chip, which applying the improved digital PI control arithmetic of the current prediction and the double control loops of voltage and current.
数字化逆变器的控制采用TMS320F 240芯片来实现，在其软件中采用了用于电流预估计的PI控制算法和电压电流的双环控制。
With speed and current close-loop control based on digital PI algorithm and the high performance of the DSP, high accuracy and high reliability control can be easily realized.
通过速度与电流的双闭环数字PI算法结合DSP的优越性能来达到高精度，高可靠性的控制目的。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
However, it is an effective way of overcoming the instability to design a PI controller, to select proper parameters, to set up a digital model and to simulate a control system.
本文对风力矩作用下的雷达接收系统建立数学模型，适当选择结构参数，设计PI控制器并对控制系统进行仿真，是一种在自动控制中工程设计的有效实用的方法。
However, it is an effective way of overcoming the instability to design a PI controller, to select proper parameters, to set up a digital model and to simulate a control system.
本文对风力矩作用下的雷达接收系统建立数学模型，适当选择结构参数，设计PI控制器并对控制系统进行仿真，是一种在自动控制中工程设计的有效实用的方法。
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