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首页> 外文期刊>Journal of the Brazilian Society of Mechanical Sciences and Engineering >Real-time testing and thermal characterization of a cost-effective magneto-rheological (MR) damper for four-wheeler application
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Real-time testing and thermal characterization of a cost-effective magneto-rheological (MR) damper for four-wheeler application

机译:用于四轮车应用的经济高效的磁流变 (MR) 阻尼器的实时测试和热特性

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Recent studies show that the Magento-Rheological (MR) dampers can serve as a suitable replacement for passive dampers on ground vehicles. MR dampers are factory fitted in premium luxury vehicles. However, the high price of these MR dampers has restricted their use to premium vehicles only. The study presented in this article attempts to develop a MR damper, in collaboration with a shock absorber manufacturer, that can replace the existing passive dampers on a passenger van while being more affordable than the commercially available MR dampers. The developed MR damper is subjected to rigorous testing on the damper testing machine to evaluate its damping performance, reliability and thermal performance. The simulation results of the test vehicle model revealed a superior MR damper performance compared to the stock passive damper. The MR damper is later installed on the test vehicle to conduct real-time experiments. The real-time experiments showed that the developed MR damper improved the ride comfort of the test vehicle by 16.2 at 10 km/hr and by 17.6 at 20 km/hr compared to passive dampers while running over a speed bump. The road handling also improved by 14.32 at 10 km/hr and by 29.3 at 20 km/hr. At the end of the study, the cost evaluation performed on the developed MR damper revealed that it was more affordable than the commercially available MR dampers.
机译:最近的研究表明,Magento-Rheological (MR) 阻尼器可以作为地面车辆被动阻尼器的合适替代品。MR阻尼器在工厂安装在高档豪华车上。然而,这些MR阻尼器的高昂价格限制了它们仅用于高档车辆。本文中介绍的研究试图与减震器制造商合作开发一种 MR 阻尼器,该阻尼器可以取代乘用车上现有的被动阻尼器,同时比市售的 MR 阻尼器更实惠。开发的MR阻尼器在阻尼试验机上进行了严格的测试,以评估其阻尼性能、可靠性和热性能。试验车辆模型的仿真结果表明,与原厂被动阻尼器相比,MR阻尼器性能优越。MR阻尼器随后安装在测试车辆上,以进行实时实验。实时实验表明,与被动减震器相比,开发的MR减震器在10 km/h时提高了16.2%,在20 km/h时提高了17.6%。在10公里/小时时,道路操控性也提高了14.32%,在20公里/小时时提高了29.3%。在研究结束时,对开发的 MR 阻尼器进行的成本评估显示,它比市售的 MR 阻尼器更实惠。

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