Considering the following notation m: vehicle mass; Iz : moment of inertia (vertical axis); h: COG height; ay, ay: longi

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Considering The Following Notation M Vehicle Mass Iz Moment Of Inertia Vertical Axis H Cog Height Ay Ay Longi 1 (52.03 KiB) Viewed 33 times

Considering the following notation m: vehicle mass; Iz : moment of inertia (vertical axis); h: COG height; ay, ay: longitudinal and lateral acceleration; t: vehicle track; l: wheelbase; r: yaw rate; az, az: front and rear semi-wheelbase; r dij: steering wheel angle at wheel ij (i, j= 1/2 respectively front/rear and left/right). (a) Demonstrate that the magnitude of the longitudinal load transfer is таһ 1 [5 marks] (b) Demonstrate that the magnitude of the lateral load transfer is mayt 1 [5 marks] (c) What does the lateral load transfer split between the front and rear axles depend on? [5 Marks] (d) A car with a mass of 1600kg negligeable aerodynamic forces is braking on an asphalt with global longitudinal friction coefficient equal to 0.57. What is the maximum possible deceleration? [5 Marks] (e) A car is travelling at 85 km/h. the angular velocity of one of its wheels is 70 rd/s, and the wheel radius is 0.3m. How much is the theoretical slip ratio? How much is the practical slip ratio? Is the car braking or accelerating? [5 Marks]