The invention relates to an active damping control system for suppressing vehicle speed oscillation. The active damping control system comprises a signal acquisition module, a whole vehicle driving-braking demand torque calculation module, a feedforward control module, a suppression mode judgment module, a feedback control module, an output torque coordination control module and a motor torque control module. The invention further relates to an active damping control method for restraining vehicle speed oscillation. The active damping control method comprises the steps that accelerator pedal opening information, brake pedal opening information, wheel speed information, rotating speed information, gear information, vehicle mass information, vehicle speed information and a vehicle control mode are collected; the whole vehicle driving-braking demand torque is obtained; a feedforward filtering torque is obtained; feedforward regulation control is carried out; judging and outputting a vehicle speed suppression mode; controlling a rotating speed feedback loop and a vehicle speed feedback loop; outputting coordination control; and motor target torque. The vehicle speed oscillation suppression control effect and the driving feeling are effectively improved; for the condition that commercial loads change drastically, oscillation is effectively improved.

    本发明涉及抑制车速振荡的主动阻尼控制系统,包含信号采集模块、整车驱动‑制动需求扭矩计算模块、前馈控制模块、抑制模式判断模块、反馈控制模块、输出扭矩协调控制模块、电机扭矩控制模块。本发明还涉及抑制车速振荡的主动阻尼控制方法,包含步骤:采集油门踏板开度信息、制动踏板开度信息、轮速信息、转速信息、档位信息、车辆质量信息、车速信息、车辆控制模式;得到整车驱动‑制动需求扭矩;得到前馈滤波扭矩;前馈调节控制;判断并输出车速抑制模式;转速反馈环控制、车速反馈环控制;输出协调控制;电机目标扭矩。本发明有效提高车速振荡抑制控制效果及驾乘感受;针对商用的载荷变化剧烈的情况、有效改善振荡。


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    Titel :

    Active damping control system and method for inhibiting vehicle speed oscillation


    Weitere Titelangaben:

    抑制车速振荡的主动阻尼控制系统及方法


    Beteiligte:
    MA BIAO (Autor:in) / LI XUEBING (Autor:in) / PENG WENJUN (Autor:in) / LI CHUNDONG (Autor:in) / HUANG NAIYONG (Autor:in) / YU TAO (Autor:in)

    Erscheinungsdatum :

    2023-08-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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