大负载精密驱动超磁致伸缩直线电机动力学建模与仿真

上海交通大学学报（自然版） ›› 2012, Vol. 46 ›› Issue (03): 480-486.

大负载精密驱动超磁致伸缩直线电机动力学建模与仿真

许文秉，杨斌堂，孟光，吕扬名

（上海交通大学机械系统与振动国家重点实验室，上海 200240）

收稿日期:2011-04-30 出版日期:2012-03-30 发布日期:2012-03-30
基金资助:
上海市浦江人才计划（08PJ1406100），国家重点基础研究发展规划（973）项目（2011CB706803），国家自然科学基金项目（11172169）

Dynamic Modeling and Simulation to Precision Positioning Magnetostrictive Inchworm Linear Motor

XU Wen-Bing, YANG Bin-Tang, MENG Guang, 吕Yang-Ming

（School of Mechanical Engineering, State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Shanghai 200240，China）

Received:2011-04-30 Online:2012-03-30 Published:2012-03-30

摘要/Abstract

摘要： 基于一种新型的精密大负载超磁致伸缩直线电机进行了整机动力学建模和仿真，尝试分析巨磁致伸缩直线电机的频率特性和负载特性，提供了一种对于尺蠖运动超磁致伸缩直线电机进行整机建模和性能分析的有效方法. 在建模过程中，采用JilesAtherton磁滞模型以补偿磁滞回对直线电机输出的影响，并提出了直线电机驱动大负载时的滚动摩擦修正. 通过建模与仿真，验证了直线电机结构设计方案的可行性. 仿真和实验对比结果表明，该动力学模型实现了超磁致伸缩直线电机的变激励、变负载运动的准确模拟.

关键词: 直线电机, 超磁致伸缩, 尺蠖运动, 精密定位, 动力学建模

Abstract: This paper presented a research work for the dynamic modeling and simulation to a currently realized giant magnetostrictive inchworm linear motor, which provides an effective method to model giant magnetostrictive inchworm linear motor system and to analyze its performance. JilesAtherton model is introduced to compensate the hysteresis errors, and the rolling friction is taken into account in case a heavy load is applied. The feasibility of linear motor design was verified by modeling and simulating. The model was finally verified by experiments in terms of the frequency characteristic and load characteristic of the motor, and the shape of the simulation curve of step size basically matches up to the experimental curve. The dynamic model presented in this research realizes the precise system simulation with various exciting signals and external loads applied, which gives basis for the future structural optimization of the motor and the design of closed loop system.

Key words: linear motor, magnetostrictive, inchworm, precision positioning, dynamic modeling

中图分类号:

TB359.9

许文秉, 杨斌堂, 孟光, 吕扬名. 大负载精密驱动超磁致伸缩直线电机动力学建模与仿真[J]. 上海交通大学学报（自然版）, 2012, 46(03): 480-486.

XU Wen-Bing, YANG Bin-Tang, MENG Guang, 吕Yang-Ming . Dynamic Modeling and Simulation to Precision Positioning Magnetostrictive Inchworm Linear Motor[J]. Journal of Shanghai Jiaotong University, 2012, 46(03): 480-486.

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