柴油机停车前,应逐渐减至低速运转,使柴油机温度逐渐下降,然后把开车手柄拉至停车位置,柴油机立即停车。
Before the engine stops, the engine's speed should be gradually reduced to decrease its temperature, and then the engine should be stopped as soon as setting fuel level to the stop position.
采用含电机电压模型和电机电感模型的观测器,在低速时注入测试信号,可以得到位置和速度信号。
Position and speed are obtained by an observer using a voltage and an inductance motor model together with test signal injection at low speed.
实验表明,在低速和较高速运行时,该方法都能够得出较为精确的转子位置估算。
The experimental results showed that the method can get to small error estimated value of rotor position.
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