本文简要分析了采用I—P控制器的直流拖动系统的特点。
The properties of dc motor drive system using I-P controller are analysed briefly.
根据故障现象，分析了提升机直流拖动系统产生转速抖动的各种原因，并结合实际提出了具体的解决办法。
Based on the fault condition, various causes for shaking of rotating speed of DC driving system for hoist, and specific solutions were proposed in combination with the practical condition.
1998年，生产出直流电机拖动活塞式压缩机的分体式电车空调系统，成功解决了空调在复杂的乌龟电车点系统中的适应性问题。
In 1998, it produced DC motor to drag piston compressor split type electric air conditioning system, solved the adaptability problem in complex trolleybus 's power supply system.
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