Precise state of charge (SOC) of traction battery is a key factor for power distribution of HEV power system, total control of vehicle and cost reduction.
精确的动力电池剩余电量(SOC)是混合动力系统进行动力分配的重要依据，也是整车控制和降低使用成本的关键。
They cover basic technical specifications, traction mode, power distribution method, braking, speed control, operation and maintenance.
内容涉及基本技术要求、牵引方式、动力分配方式、制动、速度控制、运用与检修等。
The problems concerning speed sensorless control in high-power electric traction drives was studied.
研究了无速度传感器控制技术在大功率电力牵引传动系统中应用问题。
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