摘要
对一类大惯性纯滞后一阶系统的特点进行了数学分析,提出了一种基于目标设定值动态调整基本控制量f0与比例因子kf的方法,并根据控制过程的不同阶段采用不同修正因子α进行自调整模糊控制;采用该方法的模糊控制器具有无超调、非振荡、稳态误差小、控制量变化过程平滑等优良性能,为纯滞后大惯性环节一阶系统的控制提供了一种新思路.通过对变频空调温度模型的仿真,证明了该控制器的有效性.
According to the character of a class of time-delay and great inertia first-order system, the paper analyzes the system, brings out a new fuzzy control method which dynamically adjusts basic control flow f0 and proportional factor kf based on the desired output value and uses variable self-adjusts parameter a according to the different stages of control process. Such a controller can eliminate steady-state error and restrain overshoot, has a nonoscillatory response and smoothly changed control flow, which gives a new idea for the control of the time-delay and great inertia first-order system. The simulation and application in the temperature control model of variable frequency air-condition system proves its effectiveness.
出处
《哈尔滨理工大学学报》
CAS
2003年第5期75-79,共5页
Journal of Harbin University of Science and Technology
