过热汽温系统的自适应递阶模糊pid参数控制-中国电机工程学会.pdf

2 1 9 V ol. 2 1 N o. 9 Sep . 2001 2001 9 Proceedings of t he CSEE 2001 Chin . Soc. for Elec. Eng . : 025880 13 ( 200 1) 09003 805 PID 谢克明 侯宏仑 谢 刚 ( 太原理工大学信息工程学院 山西省 太原市0 30024) AN ADAPTIVE HIERARCHICAL FUZZY PID PARAMETERS CONTROL FOR SUPERHEATED STEAM TEMPERATURE SYSTEM X IE Keming HO U Honglun X IE Gang ( T aiyuan U niversity of T echnology College of Information Engineering T aiyuan 0 30024 China) ABSTRACT: In this paper during the course of controlling the boil ers superheated temperature in the pow er plant in order to overcom e e e the eff ect s of the objects parameters varying on control qualities of PID the system a new adaptive layer hierarchical fuzzy control method is proposed in accordance w ith the operation parameters w hich h ave greater influence on the boilers dynam ic characteristics . T he analysis PID f or this m ethod is given and its advantages compared with other gen eral fuzzy control are pointed out . The adaptive hierarchical fuzzy PID controller given in this paper is based on the f ollow ing: In the closest analogy to the general tw o dimensional fuzzy controller according to the variation of e and e the PID parameters are realtimely adjusted : ; ; ; ; in the dynam ic process in order that the system achievees the ex pected performance index ( process level) . In the case of variation in the ob : TP327 : A jects parameters and operating param eters this method can establish the plan level strategy to obtain the fuzzy adjust of the PID parameters 1 based on human analysis to the rea