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Fast algorithm of dynamic characteristics of electromagnetic relay and its application on optimization

  • Guo Fu Zhai*
  • , Qi Ya Wang
  • , Xian Ke Cheng
  • , Zhi Jun Chen
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • G and A Technology Co. Ltd.

Research output: Contribution to journalArticlepeer-review

Abstract

Electromagnetic system (EMS) is the important part of electromagnetic relay (EMR). Considering the contradiction of efficiency and accuracy of solving EMS, a method integrating advantages of magnetic equivalent circuit (MEC) method and finite element method (FEM) was presented to quickly calculate the dynamic characteristics of EMR. The fast calculation of dynamic characteristics of EMR could be accomplished by this method, when dimension parameters of EMS varied. The accuracy of solutions using the proposed method was verified by comparing with the results of FEM. Moreover, adopting geometry dimensions as design variables, taking increasing the contacts' breaking velocity and decreasing closing velocity as goals, the EMS was optimized by genetic algorithm (GA), and the optimized results were finally given.

Original languageEnglish
Pages (from-to)106-110
Number of pages5
JournalZhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering
Volume30
Issue number12
StatePublished - 25 Apr 2010

Keywords

  • Dynamic characteristics
  • Electromagnetic relay (EMR)
  • Fast algorithm
  • Genetic algorithm (GA)
  • Optimization of electromagnetic system (EMS)

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