船用锅炉水位模糊免疫自适应PID控制器及仿真

Study of ship boiler fuzzy immune self-adapting PID controller with system simulation

在常规PID控制器的基础上,结合生物免疫反馈机理,引入免疫PID控制算法,进而基于模糊控制理论,设计出一种模糊免疫自适应PID控制器.其中,用模糊免疫反馈P控制器在线整定PID控制器的比例增益,用模糊控制器调整PID控制器的积分时间常数和微分时间常数.并将此控制器应用到船用锅炉水位控制系统中.仿真结果表明,控制器具有很好的快速响应特性和较高的鲁棒性.

A kind of fuzzy immune self-adapting PID controller was designed based on the PID controller, combining with immunity feedback mechanism and fuzzy immune arithmetic, and then by means of fuzzy control theory, proportional gain was tuned by the fuzzy immune feedback P controller, and integral and differential time constant was tuned by the fuzzy inference controller. The controller is utilized into a ship boiler control systems. System simulation is conducted and the results show that the proposed controller has effective response and robust characteristics.