此为一典型的比例电磁阀的simulink模型，可供广大网友参考-This is a typical simulink model proportional solenoid valve, for the majority of users reference

通过simulink建立电磁阀模型，通过pwm控制，控制电磁阀的开闭(The model of solenoid valve is established by Simulink, and the opening and closing of solenoid valve are controlled by PWM control)