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首页> 外文期刊>International journal of systems assurance engineering and management >Multi-objective reliability based design optimization and risk analysis of motorcycle frame with strength based failure limit
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Multi-objective reliability based design optimization and risk analysis of motorcycle frame with strength based failure limit

机译：基于强度失效极限的摩托车车架基于多目标可靠性的设计优化与风险分析

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摘要

Motorcycle industry is growing at very fast pace and presently have largest market share of vehicles in India due to the price and mileage centric decision of the consumers. Among the vehicles met with accidents, two wheeler's contribution is highest. A lot a research have been carried out on chassis of cars, but a limited research is reported on two wheelers. Hence a study on motorcycle frame is considered in this work to study stress distribution in frame under impact load. An approach using response surface method is proposed to optimize the motorcycle frame where the objective is to reduce frame mass and minimize the maximum structural stress under impact load for maximum reliability. Reliability analysis of the frame is performed with respect to limit state of strength. The design variables of interest are diameter and thickness of two crucial members at the front end and material of the frame. Finite element method was used to carry out the modeling and analysis of the frame. Results of simulation are validated by conducting experiments on a practical setup. The output of this work is the dimensions of the frame which minimizes the mass and minimizes the maximum structural stress for different levels of reliability. Risk analysis of the frame is performed to quantify the risk associated with different levels of stress.
机译：摩托车行业正以非常快的速度增长，由于消费者决定以价格和里程为中心，因此目前在印度汽车市场占有最大份额。在发生事故的车辆中，两个惠勒的贡献最高。关于汽车底盘的研究很多，但是关于两个轮车的报道有限。因此，在这项工作中考虑对摩托车车架进行研究，以研究冲击载荷下车架中的应力分布。提出了一种使用响应面法的方法来优化摩托车车架，其目的是减少车架质量并使冲击载荷下的最大结构应力最小化，以实现最大可靠性。针对强度的极限状态执行框架的可靠性分析。感兴趣的设计变量是前端的两个关键构件的直径和厚度以及框架的材料。使用有限元方法对框架进行建模和分析。通过在实际设置上进行实验来验证仿真结果。这项工作的成果是框架的尺寸，该框架可最大程度地减少质量，并最大程度地降低最大结构应力，以实现不同程度的可靠性。执行框架的风险分析以量化与不同压力水平相关的风险。

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