汽车运动性能(品质)的主客观评价方法精要.ppt

2.2 中心区转向 ON-CENTRE STEERING 2.2.1 响应 Response (gain, angle window, symmetry) 2.2.2 力矩反馈 Torque Feedback (dead band, build up, friction feel) 2.2.3 准确性 Precision 2.3 弯道行驶 CORNERING 2.3.1 响应 Response (gain, delay, linearity, symmetry) 2.3.2 力矩反馈 Torque Feedback (build up, linearity, friction feel, road feel) 2.3.3 回正 Return ability (uniformity, self-centering, over swing) 2.3.4 准确性 Precision 2.4 转向扰动 STEERING DISTURBANCES 2.4.1 力矩转向 Torque Steer 2.4.2 跑偏 Pull (constant rolling speed) 2.4.3 反向冲击 Kick Back 2.4.4 方向盘扭振 Nibble (no braking) 2.5 方向盘 STEERING WHEEL (shape, appearance feel) 3 操纵性能 OVERALL HANDLING 3.1 直线行驶稳定性 STRAIGHT AHEAD STABILITY 3.1.1 直线行驶 Straight Running (accelerating, decelerating) 3.1.2 加速俯仰/抬起 Acceleration Pitch / Lift - Squat 3.1.3 加速能力/牵引 Acceleration Capability / Traction 3.2 弯道稳定性 CORNERING STABILITY 3.2.1 不足/过多转向 Understeer / Oversteer 3.2.2 轮胎摩擦/尖叫 Tire Scrubbing / Squeal 3.2.3 加油门/减油门 Power On/Off 3.2.4 转弯制动 Braking in a Turn (check brake, heavy brake, various latac levels) 3.2.5 侧倾控制 Roll Control (forward-rear balance, angle, damping) 3.3 移线性能 LANE CHANGE STABILITY 3.3.1 稳定性 Stability (roll control, yaw control, confidence) 3.3.2 控制能力 Controllability (handwheel activity) 3.3.3 包容感 Capacity Feel 保时捷主观评价体系（HR） 1 高附着路面(干燥的、潮湿的) μ-high(dry, wet) 1.1 安全性 高附着路面 safety μ-high 1.1.1 高附着路面直线行驶 Straight line μ-high 1.1.2 不平公路上的直线行驶 Straight line uneven public road 1.1.3 平坦路面直线行驶 Straight line even road 1.1.4 工况变化时的直线行驶 Straight line transition 1.1.5 侧风敏感性 Sensitivity to side wind 1.2 动力学性能 高附着路面 Dynamic behavior μ-high 1.2.1 单/双移线 Single and double lane change 1.2.2 小转角输入蛇形 Slalom with small steering input 1.2.3 快速小转角阶越输入（侧倾运动与阻尼） Small fast step input on the steering (roll motion and damping) 1.2.4 蛇形 Slalom 1.3 弯道性能 高附着路面 Cornering μ-high 1.3.1 最大侧向加速度时的轮荷转移 load reversal with max.lateral acceleration 1.3.2 0.9倍最大侧向加速度时的轮荷转移 load reversal with 90% lateral acceleration 1.3.3 入弯时的性能 Behavior at start of cornering 1.3.4 最大侧向加速度时的弯道性能 Corner