NAV
中文 DALIAN UNIVERSITY OF TECHNOLOGYLogin
Marine equipment strength analysis and innovative design team
Paper
Current position: Home >> Research Results >> Paper
不确定车轨耦合系统运行舒适度分析
Release time:2019-03-10 Hits:
Indexed by: 期刊论文
First Author: 项盼
Correspondence Author: Lin, J.; State Key Laboratory of Structural Analysis for Industrial Equipment, Faculty of Vehicle Engineering and Mechanics, Dalian University of TechnologyChina; email: jhlin@dlut.edu.cn
Co-author: 赵岩,林家浩
Date of Publication: 2016-12-10
Journal: 北京工业大学学报
Included Journals: PKU、ISTIC、CSCD、Scopus
Document Type: J
Volume: 42
Issue: 12
Page Number: 1781-1786
ISSN No.: 0254-0037
Key Words: 车轨耦合系统;运行舒适度;随机振动;虚拟激励法;改进摄动法
Abstract: 运行舒适度是车辆动力性能的重要指标,对其精准高效的预估能够提高车辆设计水平、降低研发成本。综合考虑动力学分析中的不确定因素,分别以随机变量和随机过程描述系统参数和荷载激励,基于虚拟激励法和改进摄动法,提出了复合随机振动问题的确定性分析方法。算例中,考虑9个随机变量参数,计算车体不同位置在轨道不平顺激励下的舒适度指标。结果表明:该方法能够很好地与Monte Carlo模拟吻合,验证了本文方法的正确性,并指出忽略参数不确定性会给出过高的舒适度评价。
Translation or Not: no