Abstract:The improved adaptive fuzzy PID hybrid controller is developed for improving the performance of turntable control system with nonlinear and the uncertain factor. Analysis the AF/PID controller, we designed the fusion function which is perfectly fusing the control output of fuzzy controller and revolution PID controller. And for achieve adaptive and smoothly adjusting the rule of fuzzy control, the arithmetic of on-line tuning rules is developed, and taking certain turntable azimuth control system as example. The result shows that the method has advantages of simple structure, high efficiency, can avoid the output oscillating, realize seamless output, and extensive use range of fuzzy controller.