The Adverse Effect and Control of Semi-active Inertial Suspension of Hub Motor Driven Vehicles

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL

International Journal of Automotive Technology Pub Date : 2024-04-10 DOI:10.1007/s12239-024-00075-x

Liu Yanling, Shi Dongyin, Yang Xiaofeng, Song Hang, Shen Yujie

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Abstract

Recently, hub motor driven vehicles (HMDV) have been recognized as the ideal configuration of electric vehicles in the future. However, the adverse effect of its special structure configuration seriously affects the vehicles dynamic performance, and becomes the bottleneck of its further development and industrial application. In this paper, the characteristics of inertial suspension adjusting vertical motion inertia are utilized to suppress the HMDV adverse effect. Firstly, the coupling model of vehicle suspension and hub motor is established, and the coupling excitation of road surface and unbalanced electromagnetic force on vehicle suspension is studied. Aiming at the influence mechanism of the adverse effect, an inertial suspension model of the skyhook and groundhook (SH-GH) algorithm is established. Moreover, with the primary goal of improving the ride comfort, an inertial suspension and the mixed skyhook and power-driven-damper (SH-PDD) algorithm are combined. Particle swarm optimization (PSO) is utilized to optimize suspension performance. The results show that the RMS value of body acceleration, unbalanced radial force and dynamic tire load of inertial suspension decreased by 10.91%, 50% and 8.53%. It is proved that its characteristics can effectively suppress the HMDV adverse effects. The SH-GH inertial suspension also further reduces the vehicle performance index. The SH-PDD inertial suspension reduces the RMS value of body acceleration by 27.45%, significantly improves the vehicle ride comfort. In general, the inertial suspension proposed in this paper can effectively suppress the adverse effect of HMDV vertical vibration, and improve the HMDV ride comfort and road friendliness. It provides a new direction for the research of suppressing the adverse effect of HMDV vertical vibration.

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轮毂电机驱动车辆半主动惯性悬架的不利影响与控制

最近，轮毂电机驱动汽车（HMDV）被认为是未来电动汽车的理想配置。然而，其特殊结构配置所带来的负面效应严重影响了车辆的动态性能，成为其进一步发展和产业化应用的瓶颈。本文利用惯性悬架调整垂直运动惯性的特性来抑制 HMDV 的不良影响。首先，建立了车辆悬架与轮毂电机的耦合模型，研究了路面和不平衡电磁力对车辆悬架的耦合激励。针对不良效应的影响机理，建立了天钩和地钩（SH-GH）算法的惯性悬架模型。此外，以提高驾乘舒适性为主要目标，将惯性悬架与混合天钩和动力驱动减震器（SH-PDD）算法相结合。利用粒子群优化（PSO）来优化悬架性能。结果表明，惯性悬架的车身加速度、不平衡径向力和动胎载荷的均方根值分别降低了 10.91%、50% 和 8.53%。证明其特性可有效抑制 HMDV 的不利影响。SH-GH 惯性悬架也进一步降低了车辆性能指标。SH-PDD 惯性悬架使车身加速度均方根值降低了 27.45%，显著提高了车辆的乘坐舒适性。总的来说，本文提出的惯性悬架能有效抑制 HMDV 垂直振动的不利影响，提高 HMDV 的乘坐舒适性和道路友好性。这为抑制 HMDV 垂直振动不利影响的研究提供了新的方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Automotive Technology 工程技术-工程：机械

CiteScore

3.10

自引率

12.50%

发文量

129

审稿时长

6 months

期刊介绍： The International Journal of Automotive Technology has as its objective the publication and dissemination of original research in all fields of AUTOMOTIVE TECHNOLOGY, SCIENCE and ENGINEERING. It fosters thus the exchange of ideas among researchers in different parts of the world and also among researchers who emphasize different aspects of the foundations and applications of the field. Standing as it does at the cross-roads of Physics, Chemistry, Mechanics, Engineering Design and Materials Sciences, AUTOMOTIVE TECHNOLOGY is experiencing considerable growth as a result of recent technological advances. The Journal, by providing an international medium of communication, is encouraging this growth and is encompassing all aspects of the field from thermal engineering, flow analysis, structural analysis, modal analysis, control, vehicular electronics, mechatronis, electro-mechanical engineering, optimum design methods, ITS, and recycling. Interest extends from the basic science to technology applications with analytical, experimental and numerical studies. The emphasis is placed on contributions that appear to be of permanent interest to research workers and engineers in the field. If furthering knowledge in the area of principal concern of the Journal, papers of primary interest to the innovative disciplines of AUTOMOTIVE TECHNOLOGY, SCIENCE and ENGINEERING may be published. Papers that are merely illustrations of established principles and procedures, even though possibly containing new numerical or experimental data, will generally not be published. When outstanding advances are made in existing areas or when new areas have been developed to a definitive stage, special review articles will be considered by the editors. No length limitations for contributions are set, but only concisely written papers are published. Brief articles are considered on the basis of technical merit.