混合式安装系统的执行器在非对齐板结构上的最佳放置标准
Yang Qiu1, Dongwoo Hong2, Byeongil Kim3
1School of Mechanical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
Scientific reports
|October 18, 2023
概括
本研究引入了一种分析模型,以找到电动汽车的最佳主动安装位置,减少噪音和振动,以实现更舒适的驾驶. 适当的放置可以最大限度地减少二次力,提高性能并减少控制力度.
科学领域:
- 汽车工程 汽车工程
- 振动分析 振动分析
- 声学 声学 在声学方面
背景情况:
- 电动和混合动力汽车从电动机中产生中频噪声和振动 (NVH),影响驾驶员的舒适度.
- 积极安装技术对于减轻车辆NVH问题至关重要.
- 积极安装系统的最佳放置是最大限度地提高NVH性能的关键.
研究的目的:
- 开发一个分析模型来确定最佳的活性路径位置.
- 根据动态和静态分析,建立选择主动安装系统位置的标准.
- 为了最大限度地减少二次力,以提高NVH性能.
主要方法:
- 使用动态和静态分析开发了一个分析模型.
- 在激发下沿着活性轨迹数学确定二次力.
- 进行模拟和可行性实验以验证.
- 将结果与梁结构案例进行比较.
主要成果:
- 确定了二次力量最小的最佳位置.
- 证明最佳位置可以提高主动路径控制性能.
- 与梁结构相比,显示了控制力要求的降低.
结论:
- 拟议的分析模型为最佳的主动安装系统放置提供了有效的标准.
- 最佳的位置显著提高NVH控制性能,并减少所需的控制力.
- 这项研究有助于提高电动和混合动力汽车的舒适性.
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