RESEARCH ON ACCURACY IMPROVEMENT METHOD OF MEMS GYROSCOPE BASED ON ROBUST ADAPTIVE FUZZY SLIDING MODE CONTROL

摘要

An adaptive fuzzy sliding mode control of MEMS gyroscope with system uncertainty and external disturbance is prsented in this paper. Firstly, T-S fuzzy model is employed to approximate the nonlinear dynamics of MEMS gyroscope. Secondly, several reaching laws are selected to design sliding mode controllers. Thirdly, based on Lyapunov methods, adaptive laws are presented to adjust the fuzzy sliding mode controller and the system is guaranteed to be stable. Finally, through the tracking simulation of MEMS gyroscope, the proposed approach is with satisfied performance.