2008 年 2008 巻 7-3 号 p. 603-606
A hydraulic lifting-moving-rail equipment test bench is designed, which can lift and move the rail for examining and repairing. The loading system is an electric-hydraulic servo control system. The original control strategy has some disadvantages, such as overshoot and slow response, which severely effect dynamic performance and test precision of system. According to the fuzzy control theory, the fuzzy-PID controller was designed by using ordinarily PID controller method. Experiments show that the performance of fuzzy-PID control system is obviously improved.
