Abstract
Fuzzy control and PID control are often used in control area. However, a single Fuzzy control or PID control can not satisfy the need of the rising complexity and precision of control systems. Considering the disturbance in amphibious spherical robot, it is difficult to solve the control problem for a complex system of an amphibious spherical robot. This paper deeply analyzed the advantages and the disadvantages of Fuzzy control and PID control, and proposed a new Fuzzy PID control combined Fuzzy control and PID control. The simulation results show that the method of Fuzzy PID can effectively reduce the overshoot of the control system, accelerate the response speed, and shorten the adjustment time, In this way, The system can reduce the shock of amphibious spherical robot, and improve the stability, thus, the method can enhance the dynamic performance of the amphibious spherical robot.
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