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The dual-mass double-linear vibrational gyroscopes are insensitive to the environment, and their differential outputs can effectively suppress the common mode interference. A structure-decoupled dual-mass MEMS(micro-electro-mechanical system) gyroscope is studied in this paper, which can realize the full decoupling of the driving mode and sensing mode. In order to improve the performance of the dual-mass...
This paper brings forward servo system for permanent-magnet synchronous AC motor based on adaptive inverse control to improve itpsilas position control precision. The systempsilas control structure adopts three closed loop including position, velocity and current. The velocity and current loops adopt the maximum torque/current control strategy based on vector control. This strategy figures out the...
A micromachined vibratory gyroscope with two proof-masses to measure rotation rate is presented. The two proof-masses are driven electrostatically in opposite directions along drive axis to generate differential Coriolis force detection. In order to improve the performance of the MEMS gyroscope, an adaptive control method is developed. This scheme tunes the drive natural frequencies of gyroscope to...
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