The invention discloses a control method for a steering system in a limping mode, which comprises the following steps of: S1, monitoring the state of the steering system, and entering the limping mode when judging that the state of the steering system is in a temporary recoverable failure mode; s2, monitoring the motor assisting power of the steering system, entering the next step when the motor assisting power of the steering system is lower than the target motor assisting power percentage X1, and otherwise, ending; s3, judging whether the vehicle meets a preset triggering condition or not, entering the next step when the vehicle meets the preset triggering condition, and otherwise, ending; and S4, a limping mode correction function is executed, under the limping mode correction function, the fault duration time is prolonged to a preset value T2, and the motor assisting power of the steering system is increased to the target motor assisting power percentage X2. In the limping mode, power-assisted degradation or power-assisted interruption of the steering system can be avoided, and the safety of the vehicle during low-speed driving is guaranteed.

    本发明公开了一种转向系统跛行模式下的控制方法,包括:步骤S1,监测转向系统状态,当判断转向系统状态处于临时可恢复故障模式时,进入跛行模式;步骤S2,监测转向系统的电机助力,当转向系统的电机助力低于目标电机助力百分比X1时进入下一步骤,否则结束;步骤S3,判断车辆是否满足预设触发条件,当满足预设触发条件后进入下一步骤,否则结束;步骤S4,执行跛行模式纠正功能,在所述跛行模式纠正功能下,延长故障持续时间至预设值T2,将转向系统的电机助力提升至目标电机助力百分比X2。本发明能在跛行模式下,避免转向系统助力降级或助力中断,保证车辆低速行驶时的安全。


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    Title :

    Control method for steering system in limping mode


    Additional title:

    转向系统跛行模式下的控制方法


    Contributors:
    LIN ZEYU (author) / HUANG QIHUI (author) / PANG FEI (author) / CAI TENGLONG (author) / WANG CHENBO (author) / TAN JUNYI (author) / ZHANG QIAOYING (author)

    Publication date :

    2024-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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