Improved self-sensing method for semi-active vibration suppression

Kanjuro Makihara; Junjiro Onoda; Kenji Minesugi

doi:10.1117/12.658219

15 March 2006 Improved self-sensing method for semi-active vibration suppression

Kanjuro Makihara, Junjiro Onoda, Kenji Minesugi

Proceedings Volume 6169, Smart Structures and Materials 2006: Damping and Isolation; 616907 (2006) https://doi.org/10.1117/12.658219
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

This paper presents a self-sensing method for semi-active vibration suppression that measures only the value of piezoelectric voltage. This self-sensing method is implemented with a Kalman filter with extended system equations, instead of the conventional bridge-circuit technique. The method has several advantages over the bridge-circuit self-sensing method, such as being applicable to MIMO systems. Experiments showed that our selfsensing system suppressed vibrations by combining the state-switching control and the synchronized-switching control. We confirmed that the self-sensing method is robust against model errors through the experiment with intentional frequency shift.

Citation Download Citation

Kanjuro Makihara, Junjiro Onoda, and Kenji Minesugi "Improved self-sensing method for semi-active vibration suppression", Proc. SPIE 6169, Smart Structures and Materials 2006: Damping and Isolation, 616907 (15 March 2006); https://doi.org/10.1117/12.658219

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