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Torque Distribution Strategies for Energy-Efficient Electric Vehicles with Multiple Drivetrains

Lenzo, B, De Filippis, G, Dizqah, AM, Sorniotti, Aldo, Gruber, Patrick, Fallah, Saber and De Nijs, W (2017) Torque Distribution Strategies for Energy-Efficient Electric Vehicles with Multiple Drivetrains Journal of Dynamic Systems Measurement and Control: Transactions of the ASME.

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Abstract

The paper discusses novel computationally efficient torque distribution strategies for electric vehicles with individually controlled drivetrains, aimed at minimizing the overall power losses while providing the required level of wheel torque and yaw moment. Analytical solutions of the torque control allocation problem are derived and effects of load transfers due to moderate driving/braking and cornering conditions are studied and discussed in detail. Influences of different drivetrain characteristics on the front and rear axles are described. The results of the analytically-derived algorithm are contrasted with those from two other control allocation strategies, based on the off-line numerical solution of more detailed formulations of the control allocation problem (i.e., a multi-parametric non-linear programming problem). The solutions of the control allocation problem are experimentally validated along multiple driving cycles and in steady-state cornering, on an electric vehicle with four identical drivetrains. The experiments show that the computationally efficient algorithms represent a very good compromise between low energy consumption and controller complexity.

Item Type: Article
Subjects : Mechanical Engineering Science
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
NameEmailORCID
Lenzo, BUNSPECIFIEDUNSPECIFIED
De Filippis, GUNSPECIFIEDUNSPECIFIED
Dizqah, AMUNSPECIFIEDUNSPECIFIED
Sorniotti, AldoA.Sorniotti@surrey.ac.ukUNSPECIFIED
Gruber, PatrickP.Gruber@surrey.ac.ukUNSPECIFIED
Fallah, Sabers.fallah@surrey.ac.ukUNSPECIFIED
De Nijs, WUNSPECIFIEDUNSPECIFIED
Date : 21 April 2017
Identification Number : 10.1115/1.4037003
Copyright Disclaimer : Copyright 2017 American Society of Mechanical Engineers
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 02 May 2017 16:14
Last Modified : 12 Jul 2017 12:29
URI: http://epubs.surrey.ac.uk/id/eprint/814087

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