压电效应的高阶效应在传感器、执行器中的应用研究  

Investigation on Applying High-order Piezoelectric Effect to Sensors and Actuators

作　　者：史丽萍[1] 王立晶[1] 赵月容[1] 

机构地区：[1]黑龙江大学机电工程学院,黑龙江哈尔滨150080

出　　处：《黑龙江水专学报》2007年第4期72-74,共3页Journal of Heilongjiang Hydraulic Engineering College

基　　金：黑龙江省教育厅科学技术研究项目(10553091);黑龙江大学青年科学基金项目(QL200539)

摘　　要：压电体机电耦合过程中的正、逆压电效应原理已被广泛应用于传感器与执行器中,压电类传感器与执行器在应用过程中出现了一些较严重的问题,如非线性问题。由于大多数压电晶体都具有非线性性质,尤其是压电陶瓷,非线性与迟滞特性是其固有特性。讨论压电体的非线性特征,并通过实验验证高阶压电效应对压电传感器和压电执行器的影响及其矫正与补偿方法,从而在工程应用中利用其原理提高传感器与执行器的测量与控制精度。The direct and converse piezoelectric effects of the electromechanical coupling process are widely applied to sensor and actuators. But there are some serious problems during application of piezoelectric sensor and actuator, e.g. non-linear problem. Most piezoelectric solids has nonlinear behavior, especially piezoelectric ceramic, its inherent characteristics are non-linear and hysteretic characteristic. In this paper, the nonlinear of piezoelectric solids is discussed, the impaction of high order piezoelectric effect on piezoelectric sensor and actuator is verified through the experiments, the compensation and method of correction are presented. As the result, measurement and applying this theory. control precision of sensor and actuator are improved by applying this theory.

关 键 词：压电效应 高阶效应 传感器 执行器 

分 类 号：O738[理学—晶体学]