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Modelling and analysis of the dynamics of a tilting three-wheeled vehicle

机译:倾斜三轮车动力学建模与分析

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摘要

To understand the handling behaviour of a three-wheeled tilting vehicle, models of the vehicle with different level of detail, corresponding to specific fields of investigation, have been developed. Then the proposed kinematics of the three-wheeler are assessed and optimized with respect to desired dynamic properties by applying a detailed multibody system model. The partially unstable nature of the motion of the vehicle suggests the application of an analytically derived, simplified model, to allow for focusing on stability aspects and steady-state handling properties. These investigations reveal the necessity of employing a steer-by-wire control system to support the driver by stabilizing the motion of the vehicle. Thus, an additional basic vehicle model is derived for control design, and an energy-efficient control strategy is presented. Numerical simulation results demonstrate the dynamic properties of the optimized kinematics and the control system, approved by successful test runs of a prototype.
机译:为了理解三轮倾斜车辆的操纵行为,已经开发了具有不同细节水平的车辆模型,其对应于特定的研究领域。然后,通过应用详细的多体系统模型,针对所需的动力学特性对三轮车的运动学进行评估和优化。车辆运动的部分不稳定特性建议应用分析得出的简化模型,以专注于稳定性方面和稳态操纵特性。这些研究表明,必须采用线控转向控制系统,以通过稳定车辆的运动来支持驾驶员。因此,得出了用于控制设计的附加基本车辆模型,并提出了节能控制策略。数值模拟结果证明了优化的运动学和控制系统的动态特性,并通过原型的成功测试证明了这一点。

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