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David Cimba John Wagner Abhijit Baviskar 《Vehicle System Dynamics: International Journal of Vehicle Mechanics and Mobility》2006,44(9):719-736
The increasing popularity of sport utility/light-duty vehicles has prompted the investigation of active roll management systems to reduce vehicle body roll. To minimize vehicle body roll and improve passenger comfort, one emerging solution is an active torsion bar control system. The validation of automotive safety systems requires analytical evaluation and laboratory testing prior to implementation on an actual vehicle. In this article, a computer simulation tool and accompanying hardware-in-the-loop test environment are presented for active torsion bar systems to study component configurations and performance limits. The numerical simulation illustrates that the hydraulic cylinder extension limits the active torsion system's ability to provide body roll angle reduction under various driving conditions. To compare the control system's time constant and body roll minimization capabilities for different hydraulic valve assemblies and equivalent hose lengths, an experimental test stand was created. For a typical hydraulic pressure and hose diameter, the equivalent hose length was not a key design variable that impacted the system response time. However, the servo-valve offered a quicker transient response and smoother steady-state behavior than the solenoid poppet actuators that may increase occupant safety and comfort. 相似文献
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文章通过分析汽车底盘设计中参数化技术的相关运用,首先从汽车底盘设计中参数化技术的优势入手,紧接着着重介绍了汽车底盘设计中参数化技术的应用,希望通过这些分析能更好地提升汽车底盘设计的质量。 相似文献
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续驶里程试验方法高效、合理,可以用较低的试验成本得到较理想的可信度结果,试验仅需一段1500m的试验道路、几百元一台的GPS测速仪和几只标杆,非常方便电动车企业(特别是还没有装备底盘测功机的企业)自行组织试验,以获得第一手试验数据。 相似文献
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