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An Integrated Test Facility for Suspension Dampers of Commercial Vehicle

机译:用于商用车悬架阻尼器的综合测试设施

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In the present scenario, delivering the right product at the right time is very crucial in automotive sector to grab the competitive advantage. In the development stage, validation process devours most of the product development time. This paper focuses on reducing the validation time for damper (shock absorber) variants which is a vital component in commercial vehicle suspension system. New test facility is designed for both performance test and endurance testing of six samples simultaneously. In addition, it provides force trend monitoring during the validation which increases the efficiency of test with an enhanced control system. This new facility is also designed to provide side loading capability for individual dampers in addition to the conventional axial loading. The key parameter during validation is control of damper seal temperature within the range of 70-90°C. A cooling circuit is designed to provide an efficient temperature control by re-circulating cold water. The water flow is controlled through an electrically operated solenoid valve and the entire system is governed by NI FPGA controller programmed to provide precise temperature control by regulating the water flow.
机译:在目前的场景中,在适当的时间提供正确的产品在汽车领域非常重要,以抓取竞争优势。在开发阶段,验证过程吞噬大部分产品开发时间。本文重点介绍减少阻尼器(减震器)变体的验证时间,该变体是商业车辆悬架系统中的重要组成部分。新的测试设施专为六个样品而设计的性能测试和耐久性测试。此外,它还提供了在验证期间的强制趋势监测,从而提高了增强控制系统的测试效率。这种新设施还设计用于除了传统的轴向载荷之外还为单个阻尼提供侧面加载能力。验证期间的关键参数是控制阻尼器密封温度在70-90°C的范围内。冷却电路设计为通过重新循环冷水提供有效的温度控制。通过电动电磁阀控制水流,整个系统由NI FPGA控制器控制,通过调节水流来提供精确的温度控制。

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