摘要
针对综采工作面乳化液液位变化具有非线性及时滞性、其数学模型难以建立等问题,文章介绍了一种基于模糊PID控制的乳化液液位控制系统的设计。该系统将模糊控制与传统的PID控制相结合,在实测液位和设定液位相差较大时采用模糊控制,在实测液位和设定液位相差较小时采用PID控制,控制方式灵活,且鲁棒性好、抗干扰能力强。Matlab/Simulink仿真结果表明,该系统响应快、精度高,符合综采工作面乳化液液位的控制要求。
Aiming at the problems that change of emulsion liquid level of fully mechanized coal face had nonlinear and time-delay, its mathematical model was difficult to be established and so on, the paper introduced design of a control system of emulsion liquid level based on fuzzy-PID control. The system combines fuzzy control with traditional PID control. When difference of practical measurement liquid level and setting liquid level is bigger, the system adopts fuzzy control and when the difference is smaller, it adopts PID control. The control way is flexible and has good robust performance and strong antiinterference ability. The result of Matlab/Simulink simulation showed the system has fast response and high precision, which can meet control requirements of emulsion liquid level of fully mechanized coal face.
出处
《工矿自动化》
2009年第4期17-19,共3页
Journal Of Mine Automation
关键词
综采工作面
乳化液
液位控制
模糊控制
PID控制
fully mechanized coal face, emulsion liquid, level control, fuzzy control, PID control
