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逻辑门限防抱死制动系统操纵稳定性研究
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江西省科技厅项目(20123BBE50085)


Vehicle Handling Stability Study Based on Logic Threshold Control Method of Antilock Braking System
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    摘要:

    为有效降低ABS控制系统的开发时间和费用,采用虚拟样机联合仿真技术实现控制系统算法的快速测试与验证。首先在ADAMS/Car中建立了具有麦弗逊独立前悬架、多连杆式独立后悬架的97自由度虚拟整车模型,然后在MATLAB/Simulink中设计了基于最佳滑移率的逻辑门限ABS控制器,并提出一种采用汽车纵向车速计算实时滑移率的方法。利用ADAMS/Control专用接口将非线性整车模型转化成S函数供ABS控制器调用,实现联合控制。对车辆在分离系数路面上直线行驶紧急制动工况进行仿真分析,结果表明:设计的ABS控制器能够有效提高汽车制动时的操纵稳定性能,该控制算法有较强的实用性。

    Abstract:

    In order to reduce the development time and cost of ABS control systems,the virtual prototype cosimulation method was used for testing and verifying the algorithm of control systems. First, a 97 DOF virtual vehicle model, which was included Macpherson independent front suspension and multilink independent rear suspension, was established in the ADAMS/Car. Then, the logic threshold ABS controller based on optimal slip was designed in MATLAB/Simulink, and a method of using the vehicle’s longitudinal speed for calculating the realtime sliding rate was put forward. By achieving the cosimulation control, a special ADAMS/Control port was used to transform nonlinear whole car model into S function and called by ABS controller. Through simulation analysis on straight line driving under the separation coefficient road surface, the results show that ABS control system based on logic threshold control method can effectively improve the manipulation stability when braking,and the logic threshold control has better practicality.

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黄开启,瞿桂鹏,陈荣华.逻辑门限防抱死制动系统操纵稳定性研究[J].机床与液压,2016,44(16):131-135.
. Vehicle Handling Stability Study Based on Logic Threshold Control Method of Antilock Braking System[J]. Machine Tool & Hydraulics,2016,44(16):131-135

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  • 在线发布日期: 2016-09-13
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