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基于AFS/DYC的底盘稳定性协调控制研究
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Research on the coordinated control of chassis stability based on AFS/DYC
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    摘要:

    建立了基于Dugoff轮胎模型的七自由度整车模型及线性二自由度参考模型。利用轮胎负荷率与侧向加速度对车辆状态进行识别,设计了基于前轮主动转向与直接横摆力矩控制的底盘稳定性协调控制系统。引入附加横摆力矩分配系数对各子系统的工作状态进行决策并实现其介入程度的实时分配。以单移线工况对协调控制系统在高低附着两种路面情况下进行了仿真分析。结果表明:该控制系统在两种路面情况下控制效果良好。

    Abstract:

    A vehicle model of seven degree of freedom based on Dugoff tire model and a linear reference model of two degree of freedom were established in this paper. By using tire load and lateral acceleration to identify the vehicle status, a chassis stability coordination control system based on AFS (active front steering) and DYC (direct yaw-moment control) was designed. The operating state and the intervention degree of each subsystem were determined by using the additional yaw moment distribution coefficient. The simulation analysis was carried out under the condition of two kinds of road adhesion coefficient by using the single lane change maneuvering. The results show that the control system has good control effect in two kinds of road adhesion coefficient.

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康小鹏,董大伟,李磊,张洪.基于AFS/DYC的底盘稳定性协调控制研究[J].机床与液压,2017,45(12):100-106.
. Research on the coordinated control of chassis stability based on AFS/DYC[J]. Machine Tool & Hydraulics,2017,45(12):100-106

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  • 在线发布日期: 2018-05-18
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