Page 510 - Automotive Engineering Powertrain Chassis System and Vehicle Body

CHAP TER 1 5. 1 Modelling and assembly of the full vehicle

LUMPED MASS MODEL – 100 km/h LANE CHANGE
40.0

30.0 __ __ __ __

Track test
___________
20.0 ADAMS
Yaw rate (deg/s) 10.0
10.0
0.0

20.0
30.0
40.0
1.0 3.0 5.0
0.0 2.0 4.0
Time (s)
Fig. 15.1-53 Yaw rate comparison – lumped mass model and test. (This material has been reproduced from the Proceedings of the
Institution of Mechanical Engineers, K2 Vol. 214 ‘The modelling and simulation of vehicle handling. Part 4: handling simulation’, M.V.
Blundell, page 80, by permission of the Council of the Institution of Mechanical Engineers.)

in a vehicle may involve the use of a simulation method (iii) a co-simulation involving parallel operation of the
that involves: multibody systems and control simulation software
(i) theuseof multibodysystems softwarewhere theuser In this example the author has chosen the second of the
2
must invest in the modelling of the control systems above options and a vehicle model (Fig. 15.1-62) is de-
(ii) the use of software such as MATLAB/Simulink veloped from first principles and implemented in Simu-
where the user must invest in the implementation link. The model developed here is based on the same data
of a vehicle model or used for this case study with 3 degrees of freedom: the

SWING ARM MODEL – 100 km/h LANE CHANGE
40.0
30.0 Track test __ __ __ __
ADAMS ___________
20.0
Yaw rate (deg/s) 10.0
0.0

10.0
20.0
30.0
40.0
1.0 3.0 5.0
0.0 2.0 4.0
Time (s)
Fig. 15.1-54 Yaw rate comparison – swing arm model and test. (This material has been reproduced from the Proceedings of the
Institution of Mechanical Engineers, K2 Vol. 214 ‘The modelling and simulation of vehicle handling. Part 4: handling simulation’, M.V.
Blundell, page 80, by permission of the Council of the Institution of Mechanical Engineers.)

2 In their 2003 work, Wenzel and co-workers describe preliminary work undertaken in a collaborative research project with Jaguar Cars Ltd,
Coventry, UK and funded by the Control Theory and Applications Centre, Coventry University, Coventry, UK. It forms the PhD programme for
Thomas A. Wenzel.

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