(轮胎侧偏特性5.2 Tire Cornering Property侧偏角α2l.Tire Axis SystemAligning torque轮胎接地印迹中心的轮胎坐标系正回正力矩T,位移方向与轴的夹角Ycamber angle正外倾角Y车轮行驶方向1P-车轮平面0正TySlipangle正侧偏角0Overturntorque车轮旋转轴线正翻转力矩Tx正地面切向正地面侧向反作用力F反作用力Fx正地面法向反作用力Fz
α O X Y 车轮行驶方向 正地面切向 反作用力FX Overturn torque 正翻转力矩 TX 正地面法向 反作用力FZ 正地面侧向反作用力FY 车轮旋转轴线 slip angle 正侧偏角 Aligning torque 正回正力矩TZ 正TY camber angle 正外倾角γ γ Z 侧偏角α 轮胎接地印迹中心的 位移方向与X轴的夹角 1.Tire Axis System 轮胎坐标系 5.2 Tire Cornering Property (轮胎侧偏特性
l.Tire Axis System轮胎坐标系X-axis-The intersection of the wheel planeand the road plane with the positive directionforward.Y-axis-The projection of wheelrotating axisontheroad plane.Z-axis-The Z-axis is perpendicular to theroad plane with upward direction
X-axis—— The intersection of the wheel plane and the road plane with the positive direction forward. Y-axis—— The projection of wheel rotating axis on the road plane. Z-axis——The Z-axis is perpendicular to the road plane with upward direction. 1.Tire Axis System 轮胎坐标系
2. Tire Slip and Slip anglerigidtire侧偏现象和侧偏角VCornering Force侧偏力FuUuLateral Force侧向力FSlip angel侧偏角αF,=kαVFFV1CorneringStiffnessFyF侧偏刚度kF,≤FF,>≥(0,F
u u u' v Fy Fy C C rigid tire F F y l z ≤ F F y l z > FY FY Fy FY Y y Y F F F k k Cornering Force侧偏力 Lateral Force侧向力 Slip angel侧偏角 = Cornering Stiffness 侧偏刚度 2.Tire Slip and Slip angle 侧偏现象和侧偏角
pneumatic tire弹性轮胎overhead viewF俯视图Fy17777Ahwheelstillness车轮静止
overhead view 俯视图 wheel stillness 车轮静止 F y pneumatic tire 弹性轮胎 FY
pneumatic tire弹性轮胎WwFA4A.A3A2AFwheel roll车轮滚动
F y wheel roll 车轮滚动 FY pneumatic tire 弹性轮胎