Article (Scientific journals)
Design and Simulation of a Real-Time Implementable Energy-Efficient Model-Predictive Cruise Controller for Electric Vehicles
Schwickart, Tim Klemens; Voos, Holger; Minaglou, Jean-Régis et al.
2015In Journal of the Franklin Institute, 352 (2), p. 603-625
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Keywords :
Model-Predictive Control; Eco-Driving / Eco-Cruise Control; Optimal Control
Abstract :
[en] This paper presents the design of a novel energy-efficient model-predictive cruise controller for electric vehicles as well a simulation model of the longitudinal vehicle dynamics and its energy consumption. Both, the controller and the dynamic model are designed to meet the properties of a series-production electric vehicle whose characteristics are identified and verified by measurements. A predictive eco-cruise controller involves the minimisation of a compromise between terms related to driving speed and energy consumption which are in general both described by nonlinear differential equations. Considering the nonlinearities is essential for a proper prediction of the system states over the prediction horizon to achieve the desired energy-saving behaviour. In this work, the vehicle motion equation is reformulated in terms of the kinetic energy of the moving vehicle which leads to a linear differential equation without loss of information. The energy consumption is modeled implicitly by exploiting the special form of the optimisation problem. The reformulations finally lead to a model-predictive control approach with quadratic cost function, linear prediction model and linear constraints that corresponds to a piecewise linear system behaviour and allows a fast real-time implementation with guaranteed convergence. Simulation results of the MPC controller and the simulation model in closed-loop operation finally provide a proof of concept.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust
Disciplines :
Electrical & electronics engineering
Author, co-author :
Schwickart, Tim Klemens ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Voos, Holger  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Minaglou, Jean-Régis ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Darouach, Mohamed
Rosich, Albert 
External co-authors :
yes
Language :
English
Title :
Design and Simulation of a Real-Time Implementable Energy-Efficient Model-Predictive Cruise Controller for Electric Vehicles
Publication date :
February 2015
Journal title :
Journal of the Franklin Institute
ISSN :
0016-0032
Publisher :
Pergamon Press - An Imprint of Elsevier Science
Special issue title :
Special Issue on Control and Estimation of Electric Vehicles
Volume :
352
Issue :
2
Pages :
603-625
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 21 July 2014

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