高压饱和气体制备系统饱和室多变量控制研究

摘要

高压饱和气体制备系统的饱和室出口压力、流量和温度调节系统是一个相互耦合的三输入三输出系统.针对以上特点采用部分解耦控制策略,压力一流量调节子系统采用静态解耦的专家控制方式,温度调节子系统采用串级模糊PID控制方式.通过仿真试验证明这种控制策略能够获得良好的控制效果.%The outlet pressure,flow and temperature regulating system of saturator in pressure saturated air preparation is a three-input three-output coupled system. The partial decoupling control strategy is presented according to the characters. The expert control strategy with static decoupling is proposed in the pressure and flow regulating subsystem. The cascade fuzzy PID control strategy is proposed in the temperature regulating subsystem. The result of simulation proves good control effect of this control strategy.