In vehicle truck steering-system modeling and validation

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In this paper a multi-body 44-DOF tractor semi-trailer model is coupled to a 4-DOF steeringsystem
which includes friction and hydraulic power-steering. An extended wheel hub geometry is used to provide the correct feedback torque from the wheels. A tie-rod with stiffness has been included to connect left and right. An instrumented tractor semi-trailer is used to verify the steering-system model predictions during driving. The focus lies on the prediction of the steering-wheel torque and the vehicle velocity and steering-wheel angle are prescribed as an input for the simulation. Two tests are discussed in this paper, a J-turn at 80 km/h and sinusoidal steering-wheel input with a frequency of 0.4 Hz at 65 km/h. The comparison of the measured signals and the predicted values shows that the steering-system model is accurate. The non-linearities caused by friction and hydraulic assistance system can clearly be seen in both the measurement and the simulation.
Originele taal-2Engels
TitelInternational Symposium on Advanced Vehicle Control, 13-16 September 2016, Munich, Germany
RedacteurenPeter E. Pfeffer, Johannes Edelmann, Manfred Plochl
Pagina's339-364
Aantal pagina's26
StatusGepubliceerd - 2017
Evenement13th International Symposium on Advanced Vehicle Control (AVEC 2016) - Munich University of Applied Sciences, Lothstraße 64, 80335 Munich, Munich, Duitsland
Duur: 13 sep 201616 sep 2016
Congresnummer: 13
http://www.avec16.com/

Congres

Congres13th International Symposium on Advanced Vehicle Control (AVEC 2016)
Verkorte titelAVEC 2016
Land/RegioDuitsland
StadMunich
Periode13/09/1616/09/16
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