The invention discloses an extended-range electrically-driven hydraulic servo system which comprises an engine, the engine is mechanically connected with a generator, the alternating current output end of the generator is connected with the input end of a rectifier, the output end of the rectifier is connected with the input end of a motor controller, the motor controller is connected with a motor, and the motor is connected with a metering pump. After the vehicle control unit receives the trigger signal of the hydraulic valve, the corresponding pipeline pressure is obtained through the pressure sensor, closed-loop adjustment is conducted on the rotating speed of the motor according to the preset target pressure, and meanwhile the rotating speed of the engine is adjusted in a closed-loop mode according to the target rotating speed of the motor and the system load. On the premise that the load requirement of a hydraulic system working device is met, the engine always works in a high-efficiency area, the fuel consumption rate is reduced, and then the purposes of energy conservation and emission reduction of the system are achieved.

    本发明公开了一种增程式电驱动液压伺服系统,包括发动机,所述发动机机械连接发电机,所述发电机的交流电输出端连接整流器输入端,所述整流器输出端连接电机控制器输入端,所述电机控制器连接电机,所述电机连接定量泵。本发明的整车控制器在接收到液压阀的触发信号后,通过压力传感器获取相应管路压力,依据预设的目标压力对电机转速进行闭环调节,同时依据电机目标转速及系统负载闭环调节发动机转速,在满足液压系统工作装置负载需求前提下使发动机始终工作在高效区,降低燃油消耗率进而实现系统节能减排的目的。


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    Titel :

    Extended-range electrically-driven hydraulic servo system and control method thereof


    Weitere Titelangaben:

    一种增程式电驱动液压伺服系统及其控制方法


    Beteiligte:
    CUI LEI (Autor:in) / LI AOHUA (Autor:in) / ZHOU JUNJIE (Autor:in)

    Erscheinungsdatum :

    2023-09-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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