Optimization of Automotive Suspension System by Design of Experiments: A Nonderivative Method

Q2 Physics and Astronomy

Advances in Acoustics and Vibration Pub Date : 2016-07-27 DOI:10.1155/2016/3259026

A. Mitra, Tanushri Soni, G. R. Kiranchand

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引用次数: 5

Abstract

A lot of health issues like low back pain, digestive disorders, and musculoskeletal disorders are caused as a result of the whole body vibrations induced by automobiles. This paper is concerned with the enhancement and optimization of suspension performance by using factorial methods of Design of Experiments, a nonderivative method. It focuses on the optimization of ride comfort and determining the parameters which affect the suspension behavior significantly as per the guidelines stated in ISO 2631-1:1997 standards. A quarter car test rig integrated with a LabVIEW based data acquisition system was developed to understand the real time behavior of a vehicle. In the pilot experiment, only three primary suspension parameters, that is, spring-stiffness, damping, and sprung mass, were considered and the full factorial method was implemented for the purpose of optimization. But the regression analysis of the data obtained rendered a very low goodness of fit which indicated that other parameters are likely to influence the response. Subsequently, steering geometry angles, camber and toe and tire pressure, were included in the design. Fractional factorial method with six factors was implemented to optimize ride comfort. The resultant optimum combination was then verified on the test rig with high correlation.

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基于实验设计的汽车悬架系统优化:一种非导数方法

许多健康问题，如腰痛、消化系统紊乱和肌肉骨骼疾病，都是由汽车引起的全身振动引起的。本文研究了用非导数方法——试验设计中的阶乘法来提高和优化悬架性能。它侧重于乘坐舒适性的优化，并根据ISO 2631- 1:20 97标准规定的指导方针确定影响悬架性能的参数。开发了集成基于LabVIEW的数据采集系统的四分之一汽车试验台，以了解车辆的实时行为。在先导试验中，仅考虑悬架的三个主要参数，即弹簧刚度、阻尼和簧载质量，并采用全析因法进行优化。但是对得到的数据进行回归分析，拟合优度很低，这表明其他参数可能会影响响应。随后，转向几何角度，弧度和脚趾和轮胎压力，包括在设计中。采用六因子分数阶乘法对平顺性进行优化。然后在高相关性的试验台上验证了所得到的最佳组合。

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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Advances in Acoustics and Vibration ACOUSTICS-

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期刊介绍： The aim of Advances in Acoustics and Vibration is to act as a platform for dissemination of innovative and original research and development work in the area of acoustics and vibration. The target audience of the journal comprises both researchers and practitioners. Articles with innovative works of theoretical and/or experimental nature with research and/or application focus can be considered for publication in the journal. Articles submitted for publication in Advances in Acoustics and Vibration must neither have been published previously nor be under consideration elsewhere. Subject areas include (but are not limited to): Active, semi-active, passive and combined active-passive noise and vibration control Acoustic signal processing Aero-acoustics and aviation noise Architectural acoustics Audio acoustics, mechanisms of human hearing, musical acoustics Community and environmental acoustics and vibration Computational acoustics, numerical techniques Condition monitoring, health diagnostics, vibration testing, non-destructive testing Human response to sound and vibration, Occupational noise exposure and control Industrial, machinery, transportation noise and vibration Low, mid, and high frequency noise and vibration Materials for noise and vibration control Measurement and actuation techniques, sensors, actuators Modal analysis, statistical energy analysis, wavelet analysis, inverse methods Non-linear acoustics and vibration Sound and vibration sources, source localisation, sound propagation Underwater and ship acoustics Vibro-acoustics and shock.