Department of BioMechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, The Netherlands.
J Sports Sci. 2012 Dec;30(16):1747-56. doi: 10.1080/02640414.2012.713978. Epub 2012 Aug 16.
To minimise lap times during car racing, it is important to build up brake forces rapidly and maintain precise control. We examined the effect of the amplification factor (gain) between brake pedal force and a visually represented output value on a driver's ability to track a target value. The test setup was a formula racing car cockpit fitted with an isometric brake pedal. Thirteen racing drivers performed tracking tasks with four control-display gains and two target functions: a step function (35 trials per gain) and a multisine function (15 trials per gain). The control-display gain had only minor effects on root mean-squared error between output value and target value, but it had large effects on build-up speed, overshoot, within-participants variability, and self-reported physical load. The results confirm the hypothesis that choosing an optimum gain involves balancing stability against physical effort.
为了在赛车比赛中最小化圈速时间，快速建立制动力并保持精确的控制非常重要。我们研究了刹车踏板力与视觉输出值之间的放大系数（增益）对驾驶员跟踪目标值能力的影响。测试设置是一个配备等距刹车踏板的方程式赛车驾驶舱。13 名赛车手使用四种控制-显示增益和两种目标函数（阶跃函数（每个增益 35 次试验）和多正弦函数（每个增益 15 次试验））执行跟踪任务。控制-显示增益仅对输出值与目标值之间的均方根误差有较小的影响，但对建立速度、过冲、参与者内变异性和自我报告的体力负荷有较大的影响。结果证实了选择最佳增益需要在稳定性和体力消耗之间进行平衡的假设。
