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基于载荷的商用车制动力分配比研究
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贵州省科技厅联合基金(黔科合LH字[2016]7002号)


Research of Braking Force Distribution Ratio of Commercial Vehicles Based on Load
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    摘要:

    为确定不同载荷下商用车制动力分配比的合理取值,以提高制动稳定性,提出一种基于载荷的汽车制动力分配比优化设计方法,考虑了载荷对质心位置的影响。基于ECER13法规分析了对汽车制动性能的要求,确定了汽车制动力分配系数的范围,以制动强度大小与利用附着系数差值平方和最小为约束求取了分配比最优解。将该设计方法应用于重载、中载、轻载3种工况的设计计算并进行制动仿真对比与分析。结果表明:基于载荷的汽车制动力分配比设计方法可以满足汽车在不同载荷下的制动性能要求,有效提高了汽车制动的安全性。该研究可为商用车制动力分配比控制调节提供参考。

    Abstract:

    In order to determine the reasonable value of the braking force distribution ratio of commercial vehicles and improve the brake stability under different loads, an optimization design method of the braking force distribution ratio of vehicles based on load was proposed, which considers the effect of load on the centroid position. The requirements of vehicle braking performance were analyzed based on ECER13, the range of vehicle braking force distribution coefficient was determined, and the optimal distribution ratio was obtained with the constraint of the minimum square sum of the difference between the braking strength and the utilization adhesion coefficient. The design method was applied to the design calculation of heavy load, medium load and light load,and the brake simulation comparison and analysis were carried out. The results show that the design method of vehicle braking force distribution ratio based on load can meet the requirements of vehicle braking performance under different loads, and can effectively improve the safety of vehicle braking.The study provides reference for the control and adjustment of braking force distribution ratio of commercial vehicles.

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陈孝玉,张旭,张南庆.基于载荷的商用车制动力分配比研究[J].机床与液压,2020,48(11):81-85.
. Research of Braking Force Distribution Ratio of Commercial Vehicles Based on Load[J]. Machine Tool & Hydraulics,2020,48(11):81-85

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  • 在线发布日期: 2020-08-21
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