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首页> 外文期刊>Proceedings of the institution of mechanical engineers >An advanced multibody model for evaluating rider's influence on motorcycle dynamics
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An advanced multibody model for evaluating rider's influence on motorcycle dynamics

机译：用于评估骑手对摩托车动力学影响的高级多体模型

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摘要

The dynamics of a high-performance motorcycle are greatly influenced by the rider's weight and movements especially when the power-to-weight ratio is very high. Generally in motor vehicles, the driver's/rider's weight is a significant fraction of the entire system. This work is about ADAMS/View multibody modelling of a motorcycle and virtual rider who simulates handlebar interaction and saddle sliding. In the literature, the rider's influence is unrealistic being limited to considering him as a concentrated mass or in other cases as a fixed passive system. Even vehicle modelling is often inaccurate, referring at best to simplified models of rigid bodies. In this work, the vehicle and rider have been accurately modelled to most realistically reproduce the dynamic behaviour of the system. The motorcycle was modelled with 12 bodies incorporating concentrated flexibility for the two suspension units and considering the chassis as a flexible body using modal synthesis. The virtual rider is made up of 15 rigid bodies and has 28 degrees of freedom. To study the effects on the motorcycle of the rider's movements as well as the motorcycle's dynamics and performance, a monitoring system similar to that in the literature was used to read handlebar torque and engine and braking torque. Furthermore, in the literature there are simulations of standard manoeuvres whereas in this work an entire lap of Monza was simulated. There were simulations of a fixed and mobile rider validating the model in advance and thereafter monitoring the most significant dynamic parameters. The multibody model provides useful results at the design phase and insights into the whole vehicle/rider dynamic to setup all the reference parameters for immediately evaluating system effects.
机译：高性能摩托车的动力在很大程度上受到骑手体重和运动的影响，特别是当功率重量比很高时。通常，在汽车中，驾驶员/驾驶员的重量占整个系统的很大一部分。这项工作是关于摩托车和虚拟骑手的ADAMS / View多体建模的，他们模拟了车把交互和鞍座滑动。在文献中，骑手的影响是不现实的，仅限于将其视为集中的物体或在其他情况下视为固定的被动系统。甚至车辆建模也常常是不准确的，充其量只涉及简化的刚体模型。在这项工作中，已经对车辆和骑手进行了精确建模，以最真实地重现系统的动态行为。摩托车以12个车身为模型建模，其中两个悬架单元具有集中的柔韧性，并使用模态综合将底盘视为柔韧性车身。虚拟骑手由15个刚体组成，并具有28个自由度。为了研究骑手运动对摩托车的影响以及摩托车的动力和性能，使用了类似于文献中的监视系统来读取车把扭矩以及发动机和制动扭矩。此外，在文献中对标准机动进行了模拟，而在这项工作中，对蒙扎的整个圈进行了模拟。有一个固定和移动骑手的模拟，它们预先验证了模型并随后监视了最重要的动态参数。多体模型在设计阶段提供有用的结果，并深入了解整个车辆/驾驶员动态，以设置所有参考参数以立即评估系统效果。

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