PID 控制在过程工业控制中应用广泛, 但在实际工业现场运行的PID 回路的控制 性能差异较大, 有许多系统长期置于手动控制。一部分由于系统过程特性使PID 调节不能满足 控制要求, 还有一部分却是由于PID 回路参数整定的不合理。针对控制系统现场实施中PID 参 数整定繁琐、整定质量差异大、经验不易移植的问题, 采用了基于PLC 的PID 参数自整定方 法。该方法概念清晰, 实施方便, 在某锅炉的恒压供水控制中应用效果良好。该方法基于继 电器反馈自整定, 具有一定的普适性,

Software for PID controller tuning PIDTOOL has been developed in the MATLAB– Simulink programming environment using its graphic user interface. The main aim of the PIDTOOL design was creating user friendly tool for simple and fast identificatio

Software for PID controller tuning PIDTOOL 1.0 was developed in the MATLAB – Simulink programming environment using its graphic user interface. The main aim of the PIDTOOL design was creating user friendly tool for simple and fast identificatio