Hybrid control in automotive applications: the cut-off control

Authors:
A. Balluchi;M. D. Di Benedetto;C. Pinello;C. Rossi;A. Sangiovanni-Vincentelli
Affiliations:
PARADES E.E.I.G., Via San Pantaleo, 66, 00186 Roma, Italy;Dipartimento di Ingegneria Elettrica, Università dellAquila, Poggio di Roio, 67040 LAquila, Italy;PARADES E.E.I.G., Via San Pantaleo, 66, 00186 Roma, Italy;Magneti Marelli S.p.A., Via del Timavo, 33, 40134 Bologna, Italy;PARADES E.E.I.G., Via San Pantaleo, 66, 00186 Roma, Italy and Department of Electrical Engineering and Computer Science, University of California at Berkeley, CA 94720, USA
Venue:
Automatica (Journal of IFAC)
Year:
1999

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Abstract

A novel approach to the control of an automotive engines in the cut-off region is presented. First, a hybrid model which describes the torque generation mechanism and the powertrain dynamics is developed. Then, the cut-off control problem is formulated as a hybrid optimal control problem, whose solution is obtained by relaxing it to the continuous domain and mapping its solution back into the hybrid domain. A formal analysis as well as experimental results demonstrate the properties and the quality of the control law.