提出了用改变异步电动机转速的方法，自动调节泵的流量的微机控制系统设计方案。
A microcomputer control system for pump flow regulating by automatic motor speed governing is designed.
真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成，其中真空调节阀是设备的关键部件之一。
Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.
从仿真结果上看，LQR调节的性能优与PID控制，说明采用LQR调节器作为泵控马达恒速控制系统的控制方法是良好的。
In view of the result of simulation, LQR regulation is excellent to the PID control system, LQR regulation accuse as velocity steady controlling in the pump-controlled motor system is better.
从仿真结果上看，LQR调节的性能优与PID控制，说明采用LQR调节器作为泵控马达恒速控制系统的控制方法是良好的。
In view of the result of simulation, LQR regulation is excellent to the PID control system, LQR regulation accuse as velocity steady controlling in the pump-controlled motor system is better.
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