Active Vibration Control of Open Cylindrical Shell Based on PLZT Photostrictive Actuator with 0-3 Polarization

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Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (11) : 106-111.

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Active Vibration Control of Open Cylindrical Shell Based on PLZT Photostrictive Actuator with 0-3 Polarization

JIANG Jing 1 YUE Hong-hao 1 DENG Zong-quan 1 TZOU Horn-sen2

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Abstract

Based on experimental observation and theoretical analysis, constitutive equations which define the time history response of photo-induced strain for 0-3 polarized PLZT actuator are presented. The relationships of saturated photovoltage and time constant with actuator thickness and light intensity are formulated. Active vibration control of open cylindrical shell by non-uniform actuation induced by a new skew-quad phtostrictive actuator system is investigated. Considering the actuation behavior of photostrictive actuator, the velocity feedback half-cycle control scheme with constant light intensity is adopted. The simulations indicate that the vibration of cylindrical shell can be effectively controlled by this control scheme. Compared with 0-1 polarized PLZT actuator, 0-3 polarized PLZT actuator can get better control effectiveness of the cylindrical shell due to its higher response speed, and the control effectiveness can be improved by increasing the light intensity.

Key words

0-3 polarized PLZT actuator / Open cylindrical shell / Vibration control

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JIANG Jing YUE Hong-hao DENG Zong-quan TZOU Horn-sen. Active Vibration Control of Open Cylindrical Shell Based on PLZT Photostrictive Actuator with 0-3 Polarization[J]. Journal of Vibration and Shock, 2013, 32(11): 106-111