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首页> 外文会议>European-African Regional Conference of the Internatinal Society for Terrain Vehicle Systems >DAMPING FORCE AND POWER REGENERATION OF REGENERATIVE HYDRAULIC ELECTRIC SUSPENSION SYSTEM UNDER THE ROAD EXCITATION
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DAMPING FORCE AND POWER REGENERATION OF REGENERATIVE HYDRAULIC ELECTRIC SUSPENSION SYSTEM UNDER THE ROAD EXCITATION

机译：道路励磁下再生液压电动悬架系统的阻尼力和功率再生

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摘要

The regenerative hydraulic electric suspension (RHES) is a new type of vehicle suspension damper system based on the principle of vibration energy harvesting. This system can recover the vibration energy of suspension dissipated in the form of thermal energy when vehicle traveling on the road, which has attracted extensive attention of researchers due to its advantages, such as stability performance, compact structure and saving energy. In previous studies about RHES system, the vehicle suspension displacement is defined as varieties of periodic waves, such as sinusoidal, triangular, step, ramp and so on. The performance of damper system can be explained and evaluated to some extent, but the influence of the actual excitation condition of the road is not fully considered when studying the RHES. This paper builds models of road profiles, quarter car and power regeneration based on the proposed RHES system. Furthermore, the change laws of performance with the varies of road class, electrical load and accumulator capacity are summarized and the corresponding optimization suggestions are proposed, which realize the prediction and evaluation of RHES system performance under the excitations of different road profiles. The findings of system analysis indicate that the component design can satisfy the damping characteristics and power performance required for specific application. The results also show that adjusting the electrical load and accumulator capacity is highly beneficial for controlling suspension behaviours, improving system reliability and increasing power regeneration.
机译：再生液压电动悬架（卷）是一种基于振动能量收割原理的新型车辆悬架阻尼系统。该系统可以在道路上行驶时恢复以热能的形式耗尽悬浮液的振动能量，这引起了研究人员的广泛关注，因为其优点，如稳定性，结构紧凑，节省能量。在以前关于卷系统的研究中，车辆悬架位移被定义为周期性的多个，例如正弦，三角形，步骤，斜坡等。可以在一定程度上解释和评估阻尼系统的性能，但是在研究钻孔时，道路的实际激励条件的影响不会完全考虑。本文基于所提出的卷系统构建道路型材，四分之一汽车和电力再生的型号。此外，总结了具有道路类，电负荷和蓄能器容量各种性能的变化规律，提出了相应的优化建议，这实现了在不同公路型材激励下的卷系统性能的预测和评估。系统分析的结果表明，部件设计可以满足特定应用所需的阻尼特性和功率性能。结果还表明，调整电负载和蓄能器容量对于控制悬架行为，提高系统可靠性和增加功率再生是高有益的。

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