Annoyance Rate Evaluation Method on Ride Comfort of Vehicle Suspension System
查看参考文献33篇
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文摘
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The existing researches of the evaluation method of ride comfort of vehicle mainly focus on the level of human feelings to vibration. The level of human feelings to vibration is influenced by many factors, however, the ride comfort according to the common principle of probability and statistics and simple binary logic is unable to reflect these uncertainties. The random fuzzy evaluation model from people subjective response to vibration is adopted in the paper, these uncertainties are analyzed from the angle of psychological physics. Discussing the traditional evaluation of ride comfort during vehicle vibration, a fuzzily random evaluation model on the basis of annoyance rate is proposed for the human body's subjective response to vibration, with relevant fuzzy membership function and probability distribution given. A half-car four degrees of freedom suspension vibration model is described, subject to irregular excitations from the road surface, with the aid of software Matlab/Simulink. A new kind of evaluation method for ride comfort of vehicles is proposed in the paper, i.e., the annoyance rate evaluation method. The genetic algorithm and neural network control theory are used to control the system. Simulation results are obtained, such as the comparison of comfort reaction to vibration environments between before and after control, relationship of annoyance rate to vibration frequency and weighted acceleration, based on ISO 2631/1(1982), ISO 2631-1(1997) and annoyance rate evaluation method, respectively. Simulated assessment results indicate that the proposed active suspension systems prove to be effective in the vibration isolation of the suspension system, and the subjective response of human being can be promoted from very uncomfortable to a little uncomfortable. Furthermore, the novel evaluation method based on annoyance rate can further estimate quantitatively the number of passengers who feel discomfort due to vibration. A new analysis method of vehicle comfort is presented. |
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来源
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Chinese Journal of Mechanical Engineering
,2014,27(2):296-303 【核心库】
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DOI
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10.3901/cjme.2014.02.296
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关键词
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evaluation method
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ride comfort
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annoyance rate
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genetic algorithm
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neural network
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地址
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1.
School of Mechanical Engineering and Automation, Northeastern University, Shenyang, 110004
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Shenyang Academy of Instrumentation Science, Shenyang, 110043
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1000-9345 |
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学科
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机械、仪表工业 |
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基金
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supported by National University Basic Scientific Research Fund of China
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国家自然科学基金
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文献收藏号
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CSCD:5081870
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参考文献 共
33
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