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IMPROVING BRAKING PERFORMANCE BY CONTROL OF SEMI-ACTIVE SUSPENSION

机译:通过控制半主动悬架提高制动性能

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This paper presents a control algorithm for semi-active suspensions to reduce the braking distance of passenger cars. Active shock absorbers are controlled and used to influence the vertical dynamics during ABS-controlled full braking. The core of the approach presented in this paper is based on a switching control logic. The control algorithm is implemented in a compact class passenger car. Test drives on a real road, using a braking machine for reproducibility reasons, have been executed. It could be shown that it is possible to reduce the braking distance by affecting on the vertical dynamics of a passenger car in general. This is the first experimental result of this kind published. The amount of reduction depends on the height profile of the chosen testing track and on the initial velocity. On a road with an unevenness comparable to the one on a typical German autobahn a reduction of typically 1-2%, compared to the best passive damping, was achieved.
机译:本文介绍了用于半主动悬架的控制算法,以减少乘用车的制动距离。控制有源减震器,用于影响ABS控制的全制动过程中的垂直动力学。本文呈现的方法的核心基于交换控制逻辑。控制算法在紧凑型乘用车中实现。已经执行了使用制动机器的真正的道路上的测试驱动器。可以示出通过影响乘用车的垂直动力学,可以减少制动距离。这是这种发表的第一个实验结果。减少量取决于所选测试轨道的高度轮廓和初始速度。与典型的德国高速公路上的一个不均匀相比,与最佳的被动阻尼相比,典型德国高速公路的不均匀性相比,达到了典型的1-2%。

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