From the aspect of practical application, this paper studies electromagnetic fields and rotor temperature rise change of salient synchronous motor in the process of starting.

本文正是从实际应用的角度出发，来研究凸极同步电动机在起动过程中的电磁场和电机转子温升变化规律。

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It's an task for Chinese researchers and industries in Motor control fields to improve the theory research level of speed sensor-less AC drive control system and industrialize it quickly.

提高无速度传感器交流调速系统方面的理论研究水平并尽快实现产业化，成为摆在我国电机领域学者和业界面前的一个课题。

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In addition, the system is of great business value, which can be used in various fields such as auto modification, motor show, etc.

本系统还可用于汽车个性化改装行业、车队巡展等领域，具有较高的商业价值。

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Still, the departure of Martens was surprising, since he worked closely with Fields in the past, when Fields ran Mazda Motor .

FORBES: Ford Loses Two VPs As Shakeup Goes On

Bloomberg is reporting that Ford Motor Co. directors will promote Mark Fields to chief operating officer as early as tomorrow, putting him in line to succeed Alan Mulally as chief executive of the second-largest U.S. automaker.

FORBES: Ford Preparing For Life After Mulally