隔振系统对摩托车平面动力学的影响

IF 0.8 4区 工程技术 Q4 ACOUSTICS International Journal of Acoustics and Vibration Pub Date : 2020-03-30 DOI:10.20855/ijav.2020.25.11603
S. Kaul
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引用次数: 3

摘要

本文检验了一个模型来研究隔振系统对摩托车平面(面内)动力学的影响。虽然它不是很常见,但在一些摩托车中使用隔振系统来减轻由发动机的震动力引起的振动。对于这种布局,动力总成通过隔振系统组装到车架上,隔振系统通常由两到四个隔振器组成。由于后悬架、隔震系统和后非簧载质量的耦合动力学,了解隔震系统对摩托车整体动力学特性的影响至关重要。采用本研究建立的一个相对简单的模型,分析了隔振系统对平面内动力学的影响。该模型已被用于评估隔离系统对自然模式、传递性和乘坐舒适性的影响。结果表明,隔振系统的使用将后非簧载跳与动力系统的俯仰运动耦合在一起,相应的固有频率略有提高。结果表明,隔振系统的使用直接影响摩托车的操控性。此外,结果表明,隔振系统对簧载质量的节距和后非簧载质量的跳距影响较大。本文提出的模型可以在设计过程的早期阶段对刚性安装的动力总成与不同布局的隔振系统进行比较。
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Influence of a Vibration Isolation System on Planar Dynamics of a Motorcycle
This paper examines a model to investigate the impact of a vibration isolation system on the planar (in-plane) dynamics of a motorcycle. While it is not very common, a vibration isolation system is used in some motorcycles to mitigate vibrations resulting from the shaking forces of the engine. For such layouts, the powertrain is assembled to the frame through the vibration isolation system that typically consists of two to four isolators. It is critical to comprehend the influence of the isolation system on the overall dynamic characteristics of the motorcycle due to the coupled dynamics of the rear suspension, the isolation system, and the rear unsprung mass. The influence of a vibration isolation system on the in-plane dynamics is analysed by using a relatively simple model that has been developed in this study. This model has been used to evaluate the influence of the isolation system on natural modes, transmissibility, and ride comfort. Results indicate that the use of a vibration isolation system couples the rear unsprung hop to the pitch motion of the powertrain with a slight increase in the corresponding natural frequency. Results indicate that the use of a vibration isolation system directly affects handling of the motorcycle. Furthermore, results indicate that the pitch of the sprung mass and the hop of the rear unsprung mass are particularly influenced by the vibration isolation system. The model presented in this paper could be useful in the early stages of the design process to compare the rigidly mounted powertrain to different layouts of the vibration isolation system.
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来源期刊
International Journal of Acoustics and Vibration
International Journal of Acoustics and Vibration ACOUSTICS-ENGINEERING, MECHANICAL
CiteScore
1.60
自引率
10.00%
发文量
0
审稿时长
12 months
期刊介绍: The International Journal of Acoustics and Vibration (IJAV) is the refereed open-access journal of the International Institute of Acoustics and Vibration (IIAV). The IIAV is a non-profit international scientific society founded in 1995. The primary objective of the Institute is to advance the science of acoustics and vibration by creating an international organization that is responsive to the needs of scientists and engineers concerned with acoustics and vibration problems all around the world. Manuscripts of articles, technical notes and letters-to-the-editor should be submitted to the Editor-in-Chief via the on-line submission system. Authors wishing to submit an article need to log in on the IJAV website first. Users logged into the website are able to submit new articles, track the status of their articles already submitted, upload revised articles, responses and/or rebuttals to reviewers, figures, biographies, photographs, copyright transfer agreements, and send comments to the editor. Each time the status of an article submitted changes, the author will also be notified automatically by email. IIAV members (in good standing for at least six months) can publish in IJAV free of charge and their papers will be displayed on-line immediately after they have been edited and laid-out. Non-IIAV members will be required to pay a mandatory Article Processing Charge (APC) of $200 USD if the manuscript is accepted for publication after review. The APC fee allows IIAV to make your research freely available to all readers using the Open Access model. In addition, Non-IIAV members who pay an extra voluntary publication fee (EVPF) of $500 USD will be granted expedited publication in the IJAV Journal and their papers can be displayed on the Internet after acceptance. If the $200 USD (APC) publication fee is not honored, papers will not be published. Authors who do not pay the voluntary fixed fee of $500 USD will have their papers published but there may be a considerable delay. The English text of the papers must be of high quality. If the text submitted is of low quality the manuscript will be more than likely rejected. For authors whose first language is not English, we recommend having their manuscripts reviewed and edited prior to submission by a native English speaker with scientific expertise. There are many commercial editing services which can provide this service at a cost to the authors.
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