Optimal design and dynamic performance analysis of HMDV suspension based on bridge network

IF 3.8 2区工程技术 Q1 ENGINEERING, MECHANICAL

Acta Mechanica Sinica Pub Date : 2025-01-10 DOI:10.1007/s10409-024-24208-x

Xiaofeng Yang (, ), Yan Yan (, ), Yujie Shen (, ), Xiaofu Liu (, ), Zhipeng Wang (, )

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Abstract

In order to solve the vertical vibration negative effect problem caused by the increase of the unsprung mass in the hub motor driven vehicle (HMDV), a novel mechatronic suspension using the bridge electrical network is proposed. Firstly, the bridge electrical networks composed of two capacitors, two inductors, and one resistor are summarized and their impedance functions are analyzed forward through the structural method. Then a quarter HMDV model is constructed, and the optimal element parameters in the electrical networks are selected through the Pattern Search algorithm. The influence of element parameters perturbation of the optimal structure on the output response of HMDV suspension is further analyzed. Results show that the proposed bridge electrical network can be realized as a biquartic impedance. It can be equivalent to a mechanical impedance of the suspension through a linear motor. Compared with the conventional suspension, the root-mean-square values of the dynamic tire load and the suspension working space are reduced by 10.76% and 18.10%, respectively. The vibration at low and high frequencies of the unsprung mass is suppressed, effectively improving the grounding and handling stability of the vehicle.

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基于桥网的HMDV悬架优化设计及动力性能分析

为了解决轮毂电机驱动车辆（HMDV）中非簧载质量增大所带来的垂直振动负效应问题，提出了一种新型的基于桥梁电网的机电悬架。首先总结了由两个电容器、两个电感和一个电阻组成的桥式电网，并通过结构方法对其阻抗函数进行了分析。然后构建四分之一HMDV模型，通过模式搜索算法选择电网中最优的单元参数。进一步分析了最优结构单元参数摄动对HMDV悬架输出响应的影响。结果表明，所提出的桥式电网可以实现为双四次阻抗。它可以等效为悬架通过直线电机的机械阻抗。与传统悬架相比，动态轮胎载荷均方根值和悬架工作空间分别减小了10.76%和18.10%。抑制了非簧载质量的低频和高频振动，有效提高了车辆的接地稳定性和操纵稳定性。

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来源期刊

Acta Mechanica Sinica 物理-工程：机械

CiteScore

5.60

自引率

20.00%

发文量

1807

审稿时长

4 months

期刊介绍： Acta Mechanica Sinica, sponsored by the Chinese Society of Theoretical and Applied Mechanics, promotes scientific exchanges and collaboration among Chinese scientists in China and abroad. It features high quality, original papers in all aspects of mechanics and mechanical sciences. Not only does the journal explore the classical subdivisions of theoretical and applied mechanics such as solid and fluid mechanics, it also explores recently emerging areas such as biomechanics and nanomechanics. In addition, the journal investigates analytical, computational, and experimental progresses in all areas of mechanics. Lastly, it encourages research in interdisciplinary subjects, serving as a bridge between mechanics and other branches of engineering and the sciences. In addition to research papers, Acta Mechanica Sinica publishes reviews, notes, experimental techniques, scientific events, and other special topics of interest. Related subjects » Classical Continuum Physics - Computational Intelligence and Complexity - Mechanics