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Utilization of Actuators to Improve Vehicle Stability at the Limit: From Hydraulic Brakes Toward Electric Propulsion
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Vehicle Dynamics. Volvo Car Corporation, Sweden .
Modelon AB, Sweden.
Volvo Car Corporation, Sweden.
Volvo Car Corporation, Sweden.
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2011 (English)In: Journal of Dynamic Systems Measurement, and Control, ISSN 0022-0434, E-ISSN 1528-9028, Vol. 133, no 5, 051003Article in journal (Refereed) Published
Abstract [en]

The capability of over-actuated vehicles to maintain stability during limit handling is studied in this paper. A number of important differently actuated vehicles, equipped with hydraulic brakes toward more advanced chassis solutions, are presented. A virtual evaluation environment has specifically been developed to cover the complex interaction between the driver and the vehicle under control. In order to fully exploit the different actuators setup, and the hard nonconvex constraints they possess, the principle of control allocation by nonlinear optimization is successfully employed. The final evaluation is made by exposing the driver and the over-actuated vehicles to a safety-critical double lane change. Thereby, the differently actuated vehicles are ranked by a quantitative indicator of stability.

Place, publisher, year, edition, pages
ASME , 2011. Vol. 133, no 5, 051003
Keyword [en]
control allocation, Modelica modeling, electric vehicles, force constraints, global chassis control, vehicle stability
National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-40658DOI: 10.1115/1.4003800ISI: 000294254900003ScopusID: 2-s2.0-80052159747OAI: diva2:443653
TrenOp, Transport Research Environment with Novel Perspectives

QC 20110926

Available from: 2011-09-26 Created: 2011-09-20 Last updated: 2016-04-28Bibliographically approved

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Jonasson, MatsAndreasson, JohanStensson Trigell, Annika
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