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压电式传感器与测力仪英文文献和翻译

更新时间:2016-11-5:  来源:毕业论文

压电式传感器与测力仪英文文献和翻译 Piezoelectric effect of the research, from 1880 Curie brothers (P erreCure, Jacques Cure) found the piezoelectric effect of quartz crystal, 12:0 years history so far. Only during the second world war, due to the needs of the military, in theory and application research is the leap development. Since then, gradually formed the piezoelectric testing technology subject, but also can only be used for dynamic signal detection, only when the high impedance charge amplifier, solved the charge leak problem, makes piezoelectric test had the new breakthrough, the measurable parameters of frequency coverage unprecedented expansion, from static to dynamic, from low frequency to high frequency are applicable. Due to modern physics, physics of crystal, the dielectric physics and experimental physics and materials science, etc. The development and the need of practical engineering, the study of the theory of the piezoelectric effect also began from macro to micro, from an effect to many times, from linear polarization induced effect to nonlinear polarization direction. However, the progress of the current theoretical research is relatively slow, also cannot completely meet the needs of the modern engineering practice. Such as piezoelectric microcomputer principle, mechanical and electrical coupling and decoupling, electromechanical coupling with the electromagnetic coupling of similarity, the structure of the sensor and actuator integration and information integration, and so on are all theory and practical problems to be solved.
Using piezoelectric sensors and actuators are inverse effect test and control the arrow is one of the important means of modern measurement and control technology and the development direction. The authors since 1977 engaged in the research and development of piezoelectric sensor and dynamometer work and made some progress in piezoelectric effect theory research, discovered and confirmed that the quartz crystal tangential sensitivity distribution, and application on the multi-way force sensor assembly, make this kind of sensor accuracy significantly increased; Discovered and confirmed a quartz crystal has reverse effect, there exist nonlinear polarization in the torsion effect; Based on three kinds of energy property effect for four to six energy q physical effect of the new model I by analytic and experimental method confirmed the existence of the secondary induced piezoelectric effect, piezoelectric induced many times and puts forward effect concept; Demonstrates the similarities of electromechanical coupling and electromagnetic coupling本文来自六/维(论"文?网,毕业论文 www.lwfree.cn 加7位QQ324~9114找原文, etc. Has successfully developed a one-way, two-way, three-way piezoelectric Shi Yingli sensor, three-way piezoresistive accelerometer, such as a variety of sensors and turning, milling, planing) cutting, drilling, grinding, such as piezoelectric cutting dynamometer; Developed a variety of type of the piezoelectric pile with twin type piezoelectric actuators. All in all, more than 20 years, on the basic theory research and product development in piezoelectric application, take a \"copycat production application theory study based on the independent innovation development\" way. 3566

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