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Model predictive powertrain control: an application to idle speed regulation

Di Cairano, Stefano and Yanakiev, Diana and Bemporad, Alberto and Kolmanovsky, Ilya and Hrovat, Davor Model predictive powertrain control: an application to idle speed regulation. In: Automotive Model Predictive Control: Models, Methods and Applications. Lecture Notes in Control and Information Sciences, 402 . Springer-Verlag, pp. 183-194. ISBN 978-1-84996-070-0 (2010)

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Model Predictive Control (MPC) can enable powertrain systems to satisfy more stringent vehicle requirements. To illustrate this, we consider an application of MPC to idle speed regulation in spark ignition engines. Improved idle speed regulation can translate into improved fuel economy, while improper control can lead to engine stalls. From a control point of view, idle speed regulation is challenging, since the plant is subject to time delay and constraints. In this chapter, we first obtain a control-oriented model where ancillary states are added to account for delay and performance specifications. Then the MPC optimization problem is defined. The MPC feedback law is synthesized as a piecewise affine function, suitable for implementation in automotive microcontrollers. The obtained design has been extensively tested in a vehicle under different operating conditions. Finally, we show how competing requirements can be met by a switched MPC controller.

Item Type: Book Section
Identification Number: 10.1007/978-1-84996-071-7_12
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Research Area: Computer Science and Applications
Depositing User: Professor Alberto Bemporad
Date Deposited: 27 Jul 2011 08:32
Last Modified: 02 Jul 2014 14:16
URI: http://eprints.imtlucca.it/id/eprint/443

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