Chapter5HandlingPerformance汽车的操纵稳定性5.1Generalization(概述)5.2TireCorneringProperty(轮胎侧偏特性)5.3LinearDual-freedomModelofTurningVehicle(线性二自由度汽车模型对前轮角输入响应)5.4SuspensionandCornering(汽车操纵稳定性与悬架、转向系的关系)
Chapter 5 Handling Performance 汽车的操纵稳定性 5.1 Generalization (概述) 5.2 Tire Cornering Property(轮胎侧偏特性) 5.3 Linear Dual-freedom Model of Turning Vehicle (线性二自由度汽车模型对前轮角输入响应) 5.4 Suspension and Cornering(汽车操纵稳定性与悬 架、转向系的关系)
DefinitionofHandlingPerformance汽车操纵稳定性定义):An important performance to imply the easy ofcontrol withthe driver swill,or vehicledirectional responsiveness to the negatives outsideinput which would bring rollover (翻车)orsideslip(侧滑)to the vehicle(在驾驶员不感觉过分紧张、疲劳的条件下,汽车能按照驾驶员通过转向系及转向车轮给定的方向行驶,且当受到外界干扰时,汽车能抵抗干扰而保持稳定行驶的能力。)(Handling performance belongs to the itemof vehicle safety.)
( Handling performance belongs to the item of vehicle safety.) Definition of Handling Performance (汽车操纵稳定性 定义): An important performance to imply the easy of control with the driver’s will , or vehicle directional responsiveness to the negatives outside input which would bring rollover(翻车) or sideslip(侧滑) to the vehicle. (在驾驶员不感觉过分紧张、疲劳的条件下,汽车 能按照驾驶员通过转向系及转向车轮给定的方向行 驶,且当受到外界干扰时,汽车能抵抗干扰而保持 稳定行驶的能力。)
5.1 Generalization1. ContentInput(输入)angle input角输入force input力输入Response(响应):time domain response时域响应frequency-domain response频域响应
1. Content Input(输入) : angle input角输入 force input力输入 Response(响应): time domain response时域响应 frequency-domain response频域响应 5.1 Generalization
Yaw Velocity GainLinear drivingfrequency domainperformance直线行驶性(lateral force sensitivityresponsecharacteristic横摆角速侧向风敏感性、road度频率响应特性unevenstability路面不平稳定性、Linear drivingAligning performanceperformance直线行驶性回正性TaskPerformanceTurning Radius典型行驶工况性能转向半径Ultimate drivingTurning portabilityperformance转向轻便性极限行驶性能
Yaw Velocity Gain frequency domain response characteristic横摆角速 度频率响应特性 Aligning performance 回正性 Turning Radius 转向半径 Turning portability 转向轻便性 Linear driving performance直线行驶性 (lateral force sensitivity 侧向风敏感性、road uneven stability路面不平 稳定性、Linear driving performance直线行驶性) Task Performance 典型行驶工况性能 Ultimate driving performance 极限行驶性能
bodyswaySnake speed:HN·HP45159.6km/h(idleload)57.3km/h(full load)
Snake speed: 59.6km/h(idle load) 57.3km/h(full load) body sway