A novel control loop design and its application to the force balance of vibratory rate sensor

Autor: Sukchang Yun, Woon-Tahk Sung, Chang Joo Kim, Young Jae Lee, Sangkyung Sung
Rok vydání: 2009
Předmět:
Zdroj: International Journal of Control, Automation and Systems. 7:545-552
ISSN: 1598-6446
Popis: This paper investigates a new loop design approach of force balance control for the vibratory rate sensor application. The proposed force balance control design takes advantages of the modified automatic gain control configuration in controlling the system’s oscillating dynamics at the sense mode. The adapted automatic gain control scheme and force balance strategy, which maintains a constant oscillation magnitude in the sense mode, have several advantages. First it is possible to analyze a complicated nonlinear feedback system using a linear control theory, which resulted in straightforward prediction of closed loop performance. Moreover the control system to achieve the design goals can be implemented using a relatively simple feedback configuration. An application to the vibratory rate sensor using the proposed automatic gain control configuration witnessed that the force balance control can be validated in a practical design process. Experiments using an actual micromachined rate sensor verified the feasibility of the proposed control scheme with demonstration of enhanced performance.
Databáze: OpenAIRE
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