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XU Hai-zhu, XIE Shun-yi, LIAN Jun-qiang, WANG Ding. A Direct Torque Control System of Counter-rotating PMSM for Torpedo Propulsion[J]. Journal of Unmanned Undersea Systems, 2012, 20(1): 051-55. doi: 10.11993/j.issn.1673-1948.2012.01.011
Citation: XU Hai-zhu, XIE Shun-yi, LIAN Jun-qiang, WANG Ding. A Direct Torque Control System of Counter-rotating PMSM for Torpedo Propulsion[J]. Journal of Unmanned Undersea Systems, 2012, 20(1): 051-55. doi: 10.11993/j.issn.1673-1948.2012.01.011

A Direct Torque Control System of Counter-rotating PMSM for Torpedo Propulsion

doi: 10.11993/j.issn.1673-1948.2012.01.011
  • Received Date: 2011-07-14
  • Rev Recd Date: 2011-07-21
  • Publish Date: 2012-02-20
  • To improve the torque density and efficiency of a torpedo motor, the configuration and working principle of a counter-rotating permanent magnet synchronous motor(PMSM) are introduced. A simulation model of counter-rotating PMSM is established by deducing its mathematical model, and the design principle of this kind of motor is analyzed. A new direct torque control system for counter-rotating PMSM is designed, and the speed following strategy of two rotors in disturbance condition is proposed to keep the speeds of two rotors equal. Simulation result, which coincides well with the theoretical analysis, verifies that direct torque control is competent for regulating speed of counter-rotating PMSM with high robustness and quick torque response.

     

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