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Mechanism of Controllable Force Generated by Coupling Inverse Effect of Piezoelectricity and Magnetostriction
International Journal of Precision Engineering and Manufacturing-Green Technology ( IF 4.2 ) Pub Date : 2020-06-08 , DOI: 10.1007/s40684-020-00223-5
Aiqun Xu , Qianxing Gu , Haikuo Yu

A method based on piezoelectric and magnetostrictive coupling inverse effect to generate precise controllable force is proposed to meet the requirement of manipulation force control in ultra-precision machining and assembly process. According to the principle of magnetic flux continuity, combine with the characteristics of piezoelectric and magnetostrictive inverse effects, the working mechanism of force generation is analyzed, and the theoretical model of the relationship between output force and parameters which include material characteristics, geometric parameters, working voltage of piezoelectric ceramics is established. An experimental device consisting of piezoelectric ceramic driving power supply, strain gauge, static strain tester, micro laser displacement sensor, force sensor, data acquisition card and magnetic force control component is developed. The relationship between output magnetic force and air gap or working voltage are studied by experiment and simulation. The results show that the output force variations of simulation and experiment are close. The output magnetic force fluctuation is small and with good stability. It verifies the consistency and correctness of the theoretical, simulation and experimental results.



中文翻译:

压电与磁致伸缩耦合反作用产生可控力的机理

提出了一种基于压电和磁致伸缩耦合反作用产生精确可控力的方法,以满足超精密加工组装过程中操纵力控制的要求。根据磁通连续性原理,结合压电和磁致伸缩逆效应的特点,分析了力产生的作用机理,建立了输出力与材料特性,几何参数,加工参数等参数关系的理论模型。建立压电陶瓷的电压。实验装置由压电陶瓷驱动电源,应变仪,静态应变测试仪,微激光位移传感器,力传感器,开发了数据采集卡和磁力控制组件。通过实验和仿真研究了输出磁力与气隙或工作电压之间的关系。结果表明,仿真和实验的输出力变化接近。输出磁力波动小,稳定性好。它验证了理论,仿真和实验结果的一致性和正确性。

更新日期:2020-06-08
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