Proportional-Integral-Derivative (PID) control is a common gas pressure control method of device. In order to solve the problems of slow setting process and poor stability in the traditional PID control, the single neuron PID control strategy for hypoxic respiratory training device is modeled and realized. In the control system, the S7-300 PLC and Structured Control Language (SCL) are applied to complete stable pressure output. The system employs the single neuron PID algorithm to change adjustable parameters, and the control precision is improved. The results show that the device can simulate different altitude hypoxia environments, and realize the automatic regulation and control of system gas pressure. The control system has achieved satisfactory control effect.
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江明明,蒋全胜,丁桂洋,薛加鹏.基于单神经元PID的低氧呼吸训练装置压力控制系统设计[J].机床与液压,2017,45(18):81-85. . Design of pressure control system based on single neuron PID for hypoxic respiratory training device[J]. Machine Tool & Hydraulics,2017,45(18):81-85