在恒速泵凝结水系统中，依靠节流调节维持除氧器和凝汽器水位存在种种缺陷。
In this paper, disadvantages of using throttle to adjust and maintain water levels of deaerator and condenser in constant speed pump condensate system were presented.
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.
泵、风机类负载通常采用鼠笼式异步电动机拖动，恒速运行。
Pump, air pump and so on generally is pulling by squirrel - cage motor, moving in constant velocity.
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