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设计方向盘系统的多目标优化框架,考虑结构特征和全车动力学
Carlos Llopis-Albert1, Francisco Rubio2, Carlos Devece3
1Instituto de Ingeniería Mecánica y Biomecánica (I2MB), Universitat Politècnica de València (UPV), Camino de Vera S/N, 46022, Valencia, Spain. cllopisa@upvnet.upv.es.
Scientific reports
|November 9, 2023
概括
本研究介绍了使用CAD和CAE软件的车辆转向系统的高效优化框架. 这种方法显著提高了方向盘性能,车辆安全和乘客舒适度,同时降低了设计成本.
科学领域:
- 汽车工程 汽车工程
- 计算力学 计算力学 计算力学
- 多学科的设计优化.
背景情况:
- 传统的车辆处理和稳定性测试是耗时和昂贵的.
- 数字技术使车辆动态的先进建模和模拟成为可能,减少了开发时间和成本.
- 优化方向盘系统对于车辆性能,安全性和乘客舒适性至关重要.
研究的目的:
- 开发一个计算效率高,多目标优化框架,用于车辆转向系统设计.
- 结合计算机辅助设计 (CAD) 和计算机辅助工程 (CAE) 工具,进行综合设计和分析.
- 为了确定悬挂和方向盘系统的最佳硬点位置.
主要方法:
- 使用SolidWorks进行方向盘系统的3D CAD建模.
- 雇员 Ansys 工作台用于有限元分析 (FEA).
- 使用Adams/Car.Car进行了多体动力学和动态分析.
- 将这些工具集成到 modeFrontier 的优化框架中.
主要成果:
- 尽量减少阿克曼误差和脚角偏差.
- 减少了机架和杆方向机制的体积,质量和最大应力.
- 成功地将框架应用于各种驾驶场景和机动,确定最佳的帕雷托前线.
结论:
- 开发的优化框架显著提高了车辆的稳定性,安全性,机动性和乘客舒适性.
- 这种方法提高了方向盘系统的可靠性,疲劳寿命,并减少了轮胎磨损.
- 这种集成的CAD/CAE/优化方法为方向盘系统设计提供了实质性的改进.
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