Seite - 47 - in Maximum Tire-Road Friction Coefficient Estimation

3 Vehicle model Table 3.2.: Mean relative deviations of the state values of DLC manoeuvre for model setups with a deviation higher than 5 % and a phase shift equal or higher than 0.05 s (last row) in decreasing order Variable Highest influence Second highest Third highest Lat. acceleration steering ratio - - 9.42 % Side slip angle steering ratio tire dynamics ARB >100 % 70.36 % 14.13 % Lat. tire forces steering ratio tire load ARB 26.07 % 14.21 % 7.34 % Maximum phase shift tire dynamics steering ratio tire load 0.35 s 0.2 s 0.05 s Table 3.3.: Mean relative deviations of acceleration manoeuvre for model setups with a deviation higher than 5 % and phase shifts higher than 0.05 s in decreasing order for the investigated variables Variable Highest influence Second highest Third highest Longitudinal acceleration tire load tire dynamics - 28.46 % 5.49 % Longitudinal velocity tire load - - 28.17 % Wheel speeds (front) tire load wheel moment effective tire of inertia radius 97.78 % 11.19 % 10.93 % Wheel speeds (rear) tire load effective tire -radius 28.2 % 6.02 % Tire loads tire load - - 10.17 % Long. tire force (front) tire load wheel moment -of intertia 28.5 % 12.57 % Maximum phase shift tire dynamics - - 0.3 s 47