MECH 4420 Homework #5
(Due Monday 3/19/2012 in class - note checkoff due 2/29-3/5)
Steady State Handling
The steady-state handling results that we developed in class give a lot of insight into what
happens in the linear region of the tire curve. In racing
MECH 4420
Homework #1
(Due Wed 1/25/2012 in class)
1. Download the data from the class website. Write a Matlab FUNCTION that takes in
time, vehicle yaw rate, and vehicle velocity and returns vehicle heading angle
(between 0 and 360 deg) and the vehicle ac
MECH 4420 Homework #2
(Due Wednesday 2/1/2012 in class)
1) Braking. (These arent meant to be tricky, so dont over-analyze)
a) Suppose you are traveling at 60mph on the highway and you notice an
unexpected road block. If your reaction time is 0.4s, how lon
MECH 4420 Homework #3
(Due Wednesday 2/13/2012 in class)
1) Derive the equation given in class:
M eff Beff x Dx 2
x
e Nt Nd
Rw
Floss
At each shaft, place a viscous drag (loss proportional to rotational velocity) and a
coulomb drag (constant friction lo
MECH 4420 Homework #4
(Due Monday 2/27/2011 in class)
Static Handling
Many characteristics of vehicles can be predicted fairly well using simple models. It is
important to realize from the start, however, that the parameters needed to describe these
model
MECH 4420
Homework #6
(Due Monday 3/26/2012)
To be performed in your teams. Turn in one report that lists the names of all team
members and the vehicles you looked and the vehicle you analyzed.
The purpose of this assignment is to relate the discussion of
MECH 4420 Homework #7
(Due Monday 4/9/2012 in class)
Below is data for a Mercedes E-class Sedan. What is the understeer gradient?
m =1640 kg
Iz = 3500 kgm2
a = 1.313 m
b = 1.52 m
Cf =55,000 N/rad/tire
Cr =85,000 N/rad/tire
1) In class we developed the mod
MECH 4420 Homework #8
(Due Monday 4/23/2012 in class)
Below is data for a Mercedes E-class Sedan. What is the understeer gradient?
m =1640 kg
Iz = 3500 kgm2
a = 1.313 m
b = 1.52 m
Cf =55,000 N/rad/tire
Cr =85,000 N/rad/tire
For this assignment you can use