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Volume 25 Issue 新刊5
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2017  >  25(新刊5): 448-452
GUO Zhi-rong, GAO Feng, WANG Qi-lin. Speed-Sensorless Control Method of Torpedo PMSM Based on RBF and MRAS[J]. Journal of Unmanned Undersea Systems, 2017, 25(新刊5): 448-452. doi: 10.11993/j.issn.2096-3920.2017.05.009
Citation: GUO Zhi-rong, GAO Feng, WANG Qi-lin. Speed-Sensorless Control Method of Torpedo PMSM Based on RBF and MRAS[J]. Journal of Unmanned Undersea Systems, 2017, 25(新刊5): 448-452. doi: 10.11993/j.issn.2096-3920.2017.05.009
shu

Speed-Sensorless Control Method of Torpedo PMSM Based on RBF and MRAS

doi: 10.11993/j.issn.2096-3920.2017.05.009

  • Department of Weaponry Engineering, Naval Petty Officer Academy, Bengbu 233012, China

  • Received Date: 2017-07-04
  • Rev Recd Date: 2017-08-28
  • Publish Date: 2017-12-20
    Abstract
  • To improve the performance of the permanent magnet synchronous motor(PMSM) control system, this paper presents a method based on model reference adaptive system(MRAS) and radial basis function (RBF) network for rotational speed estimation of torpedo PMSM speed-sensorless vector control system. This method selects PMSM as the reference model, and selects current model of PMSM as the adjustable model. It only needs the q-axis error signal between estimated current and actual current, then sends the error signal into the RBF network for adjustment, hence the estimated rotational speed is gained. Simulation indicates that the present method can obtain precise estimation of the rotational speed under the condition of low speed or speed regulation, and has good static and dynamic performances.

     

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