The design of dynamical observers for hybrid systems: Theory and application to an automotive control problem

Authors:
Andrea Balluchi;Luca Benvenuti;Maria D. Di Benedetto;Alberto Sangiovanni-Vincentelli
Affiliations:
Pure Power Control s.r.l, Via Giuntini 13/B, 56023 Navacchio di Cascina (PI), Italy;DIAG, "Sapienza" Universití di Roma, Via Ariosto 25, 00185 Roma, Italy;DEWS and DISIM, Universití dell'Aquila, Via G. Gronchi 18, 67100 L'Aquila, Italy;EECS Department, University of California at Berkeley, CA 94720, USA
Venue:
Automatica (Journal of IFAC)
Year:
2013

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Abstract

A design methodology is presented for dynamical observers of hybrid systems with linear continuous-time dynamics that reconstructs the complete state (discrete location and continuous state) from the knowledge of the inputs and outputs of a hybrid plant. We then present the application of the theory to the problem of on-line identification of the actual engaged gear for a car. The performance of the observer was tested with experimental data obtained in a Magneti Marelli Powertrain using an Opel Astra equipped with a Diesel engine.