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电火花加工用磁悬浮驱动器控制系统

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针对传统电火花加工时,主轴不能及时调整极间间隙导致加工效率低下的问题,提出了一种多自由度磁悬浮驱动器代替传统电火花主轴运动.分析了该磁悬浮驱动器的结构及原理并建立了磁悬浮驱动器的动力学模型,运用有限元仿真软件对该驱动器所产生的电磁力进行仿真分析,通过设计传统PID控制系统及模糊PID控制系统对磁悬浮驱动器的控制效果进行仿真与实验验证.结果表明,该磁悬浮驱动器具有较好的跟随特性和快速的响应速度及符合要求的电磁力,满足微细电火花加工要求.
Magnetic levitation actuator control system for EDM
A multi-degree-of-freedom magnetic levitation actuator was proposed to replace the conventional electrical discharge machining(EDM)spindle motion,on account of that the spindle cannot adjust the inter-pole gap in time,leading to low machining efficiency during conventional EDM.The structure and principle of the magnetic levitation actuator were analyzed,and the dynamics model of the magnetic levitation actuator was established.The electromagnetic force generated by the actuator was simulated and analyzed by finite element simulation software,and the control effect of the magnetic levitation actuator was simulated and experimentally verified by designing conventional proportional-integral-differentiation(PID)control system and fuzzy PID control system.The results show that the magnetic levitation actuator has good following character,fast response speed and sufficient electromagnetic force to meet the requirements of micro EDM.

electrical discharge machiningmagnetic levitation actuatordynamics modelelectromagnetic forcefuzzy PID controlfinite element simulationresponse speedfollowing character

赵芳、张健、孙凤、徐方超、栾博然、刘洋、张晓友

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沈阳工业大学 机械工程学院,辽宁 沈阳 110870

日本工业大学 机械工学科,日本 琦玉 345-8501

电火花加工 磁悬浮驱动器 动力学模型 电磁力 模糊PID控制 有限元仿真 响应速度 跟随特性

国家自然科学基金项目国家自然科学基金项目国家重点研发计划项目辽宁省教育厅项目辽宁省"揭榜挂帅"科技重大专项

52005345520053442020YFC2006701LFGD20200022022JH1/104000270

2024

10.7688/j.issn.1000-1646.2024.01.15

沈阳工业大学学报
沈阳工业大学

沈阳工业大学学报

CSTPCD北大核心
影响因子：0.62
ISSN：1000-1646
年,卷(期)：2024.46(1)
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