The dissertation proposes a speed-adjusting controller of a low power sensorless and brushless DC motor (SLBLDCM) composed of rare earth permanent magnet which supply motivity for fish torpedo s helm.

• 论文主要研究鱼雷舵机用小功率稀土永磁无位置传感器无刷直流电动机(SLBLDCM)调速控制系统。