基于0-3方向极化的PLZT作动器的开口圆柱壳的主动振动控制

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振动与冲击 ›› 2013, Vol. 32 ›› Issue (11) : 106-111.

论文

基于0-3方向极化的PLZT作动器的开口圆柱壳的主动振动控制

姜晶 1 ，岳洪浩 1，邓宗全 1，TZOU Horn-sen2

作者信息 +

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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摘要

基于理论分析及实验研究建立了沿0-3方向极化的PLZT光致伸缩作动器产生的光致应变随光照时间动态响应的本构方程，研究了光照强度、PLZT作动器的厚度与作动器产生的饱和光致应变及时间常数的关系。在此基础上研究了能产生非均匀控制力/力矩的新型四区域光致伸缩作动器对开口圆柱壳的主动振动控制。针对光致伸缩作动器产生驱动应变的特点，设计了速度反馈定光强半周期控制的控制策略，仿真结果表明，所提出的主动控制策略可以有效地抑制圆柱壳的振动。通过与沿0-1方向极化的PLZT作动器对比表明，由于沿0-3方向极化的PLZT作动器响应速度快，在相同光强下对圆柱壳的控制效果更好，且光照强度赿大控制效果越好。

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.

导出引用

姜晶 ;岳洪浩;邓宗全;TZOU Horn-sen. 基于0-3方向极化的PLZT作动器的开口圆柱壳的主动振动控制[J]. 振动与冲击, 2013, 32(11): 106-111

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