Abstract
In view of the requirement of modern industry for voice coil motor (VCM) position control system’s quickness and accuracy, on the basis of the classical PID control, this chapter which based on the working principle and mathematical model of VCM, combined with fuzzy control method and nonlinear PID control method, realized the rapid and precise control of position, and all these are based on the classic control to PID. Through designing the nonlinear PID controller in detail, and combining with the fuzzy control, it realized the parameter setting and position control system for quick response and high precision. The simulation and experimental results show that the fuzzy nonlinear PID controller can get following advantages: better position control system dynamic performance of VCM, faster response, and higher accuracy.
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