评估和模拟从道路到钻机试验台的车轮转向功能

Lennart Kopp, Patrick Harfmann, Lucas Niederberger, Timm Schwämmle, Markus Kley
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摘要

汽车行业在不断发展,需要创新的方法来加强测试方法和预防性地发现潜在问题。本文在 "从道路到钻机"(Road to Rig)试验台上提出了一种先进的整体车辆系统(包括转向系统和动力总成)测试方法。该研究旨在彻底改变传统的测试流程,在早期阶段识别故障,无需完全依赖现场测试。这项研究的动机是优化测试台的设置,使其更加接近真实的现场测试。该出版物的主要亮点包括引入了一个扩展的负载谱,其中包含了测试轨道上的转向角和速度参数。载荷包括不同的路线和驾驶情况,如高速公路、陆地和城市驾驶,并与转向角度相结合。此外,现在还可以首次模拟和测试特定的驾驶动作,包括回旋驾驶和自动泊车。此外,还有一些关键的驾驶场景,如标准化的严重变道操作。这种创新方法不仅提高了转向模拟的准确性,还全面反映了真实世界的驾驶条件。论文还概述了专为测试台环境定制的设计的开发和验证。这种综合方法确保了所提出的转向模拟方法的可靠性和适用性。多体模拟的集成通过阐明单个部件的负载进一步加强了研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation and Simulation of wheel Steering Functionality on a Road to Rig Test Bench
The automotive industry is continuously evolving, demanding innovative approaches to enhance testing methodologies and preventively identify potential issues. This paper proposes an advanced test approach in the area of the overall vehicle system including the steering system and powertrain on a Road to Rig test bench. The research aims to revolutionize the conventional testing process by identifying faults at an early stage and eliminating the need to rely solely on field tests. The motivation behind this research is to optimize the test bench setup and bring it even closer to real field tests. Key highlights of the publication include the introduction of an expanded load spectrum, incorporating both steering angle and speed parameters along the test track. The load includes different route and driving profiles like on a freeway, overland and city drive in combination with the steering angles. Furthermore, for the first instance, specific driving manoeuvres, including slalom driving and autonomous parking, can now be simulated and tested. Also, there are critical driving scenarios like the standardized severe lane-change manoeuvre. This innovative approach not only refines the accuracy of steering simulations but also provides a comprehensive representation of real-world driving conditions. The paper also outlines the development and verification of a design specifically tailored for the test bench environment. This comprehensive approach ensures the reliability and applicability of the proposed steering simulation methodology. The integration of multibody simulations further enhances the study by elucidating the individual component loads.
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