Articles

• SENSORLESS CONTROL STRATEGY OF PMSM AT LOW SPEED BASED ON HIGH FREQUENCY SIGNAL INJECTION

  Xiangjie Tian

  Aiming at the problem that the disturbance signal generated during the driving of electric vehicles affects the accuracy of rotor position identification, this paper proposes an initial position identification method based on an improved secondary order generalized integral phase-locked loop to

  19-23

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• FAULT DETECTION AND MAINTENANCE OF AUTOMOBILE ENGINE COOLING SYSTEM

  Qin Shougang

  At present, the main means of transportation is automobile, so people are very concerned about the service life of it and the safety in car driving process. Automobile engine cooling system is the main structure of an automobile, which can control the operating temperature of the engine, control

  24-28

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• ANALYSIS OF DIRECT FORCE CHARACTERISTICS BASED ON WENO METHOD AND NUMERICAL SIMULATION

  Jianqi Wang

  The direct force active control technology of direct gas composite is an important development direction and key technology of precision guidance weapons, which provides an effective power for the aircraft to carry out great manoeuvrability and agile flight. When the vehicle adopts direct force

  1-17

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