Tuning method of PID controller to air-conditioned system with change of characteristics

摘要

This paper concerns the development of a new tuning method for use PID controllers that are being commonly used to heating, ventilating and air-conditioning fields. The PID controller must be designed as a robust control system considering model uncertainty caused by changes in characteristics of the plant. The numerical simulation suggest that the robust PID controller proposed in this paper is effective enough to practical applications.