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Finding Computationally Inexpensive Methods to Model the Flow Past Heavy Vehicles and the Design of Active Flow Control Systems for Drag Reduction
Finding Computationally Inexpensive Methods Model Flow Past Heavy Vehicles Active Flow Control Systems Drag Reduction
2015/7/6
This paper explores the use of computational tools to analyze the aerodynamic e ects that Coanda jets have on the drag, stability and maneuverability of heavy vehicles. To facilitate the analysis and ...
The Limited Integrator Model Regulator and Its Use in Vehicle Steering Control
Vehicle dynamics control Model regulator Limited integrator implementation
2009/10/12
Unexpected yaw disturbances, such as braking on unilaterally icy roads, side wind forces and tire ruptures,are very dicult to handle by the driver of a road vehicle, due to his/her large panic reacti...
Active Control of Seat Vibrations of a Vehicle Model Using Various Suspension Alternatives
PID control Vehicle model Active suspensions
2009/10/12
The dynamic behavior of a non-linear 8 degrees of freedom vehicle model having active suspensions and a PID controlled passenger seat is examined. The non-linearity occurs due to dry friction on the d...
Car Allocation between Household Heads in Car Deficient Households: A Decision Model
travel demand modelling activity-based modelling decision tree induction
2009/9/29
This paper considers car allocation choice behaviour in car-deficient households explicitly in the context of an activity-scheduling process, focusing on work activities. A decision tree induction met...
基于修正Craig-Bampton方法的轮胎动态子结构模型（Dynamic Substructure Tire Model Based on Modified Craig-Bampton Method）
轮胎 整车动力学模型 有限元法
2009/9/25
以轮胎模态试验获取的模态参数和参数化轮胎有限元模型为基础，通过优化方法使有限元模型的计算模态参数与试验模态参数一致，获得动力学等效的轮胎模型，将该模型视作连接车辆与地面的子结构，基于修正的Craig-Bampton方法和轮胎接地界面特性，得到轮胎子结构的主模态集和约束模态集，使用模态综合方法实现轮胎子结构模型与车辆多体动力学模型的耦合，此模型可广泛应用于车辆平顺性仿真和整车动态优化设计。