Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Modeling and Evaluation of Linear Oscillating Actuators

  • Chen, X. (Dept. of Electronic and Electrical Engineering, the University of Sheffield) ;
  • Zhu, Z.Q. (Dept. of Electronic and Electrical Engineering, the University of Sheffield)
  • Received : 2012.10.13
  • Accepted : 2012.11.10
  • Published : 2012.12.01
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Abstract

The operation of linear oscillating system is complicated, involving system nonlinearities of both actuator and load, and variations of driving frequency in order to track the mechanical resonance. In this paper, both analytical and state-variable modeling techniques are used to investigate the influence of actuator parameters, such as back-emf/thrust force coefficient and cogging force, on the performance of linear oscillating systems. Analytical derivations are validated by simulations, and good agreements are achieved. The findings of the paper can greatly facilitate the design and evaluation processes of permanent magnet linear actuators.

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References

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