Consideration in the structure design of brushless DC motor for flight control
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摘要: 飞行控制中机电作动系统的发展是全电飞机的重要技术之一,而高速大功率密度的无刷直流电动机是其中的关键部件.为得到这种高速大功率密度的无刷直流电动机的高的机械可靠性、电气可靠性和热可靠性,提出了采用特殊转子护套、双重绕组、旋转变压器和冷却风道等技术措施,达到了预期的效果.最后展示样机的试验结果.Abstract: Development of the electromechanical actuation system for use in primary flight control is one of the most technologies in the path to an all-electric airplane. Brushless DC motor is the key in the system. For obtained the high electrical reliability, high mechanical reliability and thermal reliability of the critical issues of this high speed large power density servo motor, the non-magnetic could in special form, dual stator winding, brushless resolver and axial ventilation duct techniques in the structure design was adopted. The result was hoped. Finally, the experimental results of prototype were also offered.
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