Parametric Analysis of a Divided Rocker for Battery Electric Vehicles

IF 1 Q4 ENGINEERING, MECHANICAL
Haseeb Shafaqat, C. Krüger, Prof. Dr.-Ing. Peter Urban
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引用次数: 0

Abstract

The driving range of an electric vehicle can be increased through an efficient integration of the large battery within the vehicle structure. In this regard, a divided rocker concept from an existing study is investigated, in which the vehicle rocker is divided into two parts by means of a division plane. One part of the rocker remains vehicle sided and enables the attachment of the surrounding vehicle structures, while the other part is functionally integrated into the side frame of the battery housing. In the scope of this paper, several division plane concepts for such a divided rocker are created and analyzed. The crash performance of the modelled division plane concepts is studied on a component level using the side pole crash test as a load case. For the different division planes, a parametric analysis is performed by varying the number of chambers in the rocker profile, the chamber width, mass distribution, individual section thicknesses, the height of the division planes, and the air gap between the vertical surfaces of the division planes. Several crash performance criteria, such as structural deformation, force, and energy absorption, are examined. Among the studied parameters, the number of chambers and mass distribution have notable influences, while individual section thicknesses and the height of the division planes do not have a significant influence on the crash performance. Lastly, stiffer chambers in the battery-sided rocker created by decreasing the chamber width have the strongest effect on crash performance.
纯电动汽车分体式摇杆的参数分析
通过将大型电池有效地集成在车辆结构内,可以增加电动汽车的行驶里程。在此基础上,研究了现有研究中的一种分节摇杆概念,利用分节平面将车辆摇杆分成两部分。摇杆的一部分保持车辆侧面并使周围的车辆结构能够附着,而另一部分在功能上集成到电池外壳的侧框架中。在本文的范围内,提出并分析了这种分型摇杆的几种分型平面概念。以侧杆碰撞试验为例,在构件水平上研究了模型分型平面概念的碰撞性能。对于不同的分型面,通过改变摇臂轮廓中的腔室数、腔室宽度、质量分布、单个截面厚度、分型面的高度和分型面的垂直表面之间的气隙来进行参数化分析。几个碰撞性能标准,如结构变形,力和能量吸收,进行了检查。在研究的参数中,腔室数和质量分布对碰撞性能影响显著,而单个截面厚度和分隔面高度对碰撞性能影响不显著。最后,在电池侧摇杆中通过减小腔室宽度而产生的更硬的腔室对碰撞性能的影响最大。
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来源期刊
CiteScore
2.40
自引率
10.00%
发文量
43
审稿时长
20 weeks
期刊介绍: The IJAME provides the forum for high-quality research communications and addresses all aspects of original experimental information based on theory and their applications. This journal welcomes all contributions from those who wish to report on new developments in automotive and mechanical engineering fields within the following scopes. -Engine/Emission Technology Automobile Body and Safety- Vehicle Dynamics- Automotive Electronics- Alternative Energy- Energy Conversion- Fuels and Lubricants - Combustion and Reacting Flows- New and Renewable Energy Technologies- Automotive Electrical Systems- Automotive Materials- Automotive Transmission- Automotive Pollution and Control- Vehicle Maintenance- Intelligent Vehicle/Transportation Systems- Fuel Cell, Hybrid, Electrical Vehicle and Other Fields of Automotive Engineering- Engineering Management /TQM- Heat and Mass Transfer- Fluid and Thermal Engineering- CAE/FEA/CAD/CFD- Engineering Mechanics- Modeling and Simulation- Metallurgy/ Materials Engineering- Applied Mechanics- Thermodynamics- Agricultural Machinery and Equipment- Mechatronics- Automatic Control- Multidisciplinary design and optimization - Fluid Mechanics and Dynamics- Thermal-Fluids Machinery- Experimental and Computational Mechanics - Measurement and Instrumentation- HVAC- Manufacturing Systems- Materials Processing- Noise and Vibration- Composite and Polymer Materials- Biomechanical Engineering- Fatigue and Fracture Mechanics- Machine Components design- Gas Turbine- Power Plant Engineering- Artificial Intelligent/Neural Network- Robotic Systems- Solar Energy- Powder Metallurgy and Metal Ceramics- Discrete Systems- Non-linear Analysis- Structural Analysis- Tribology- Engineering Materials- Mechanical Systems and Technology- Pneumatic and Hydraulic Systems - Failure Analysis- Any other related topics.
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