Development of a heavy Duty Hybrid Vehicle Model

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Development of a heavy Duty Hybrid Vehicle Model

Hanna, A. / Simpson, A. / Maybin, B. / Steele, D. / Douglas, R. / Fleck, R. / Kee, R.

Vehicle manufacturers face mounting pressure to increase fuel economy and reduce vehicle tailpipe emissions in order to reduce the environmental impact of their vehicles and to meet ever more stringent regulations. Wrightbus have developed first generation single– and double–deck Hybrid Electric Vehicle (HEV) city buses, a number of which are in regular service in London and other cities. These buses utilise a series hybrid powertrain with a turbo-diesel engine, drive motors with total output powers between 120 kW and 170 kW and a DC electrical storage system. Fuel savings up to 30% have been achieved in service.This paper presents a literature review of hybrid vehicle modelling, and covers the work completed by Queen's University to create a software model of the Wrightbus HEV drivetrains in the Mathworks Mat-lab/Simulink environment. The model has been calibrated to several drivetrain configurations, including differing battery technologies, control systems and vehicle hardware.The model has been designed with sub–components to mimic the on–board hardware and control units, thus allowing modification of individual components to mirror or predict modifications to any corresponding part of the vehicle hardware. The vehicle control strategy is heavily influenced by the instantaneous voltage of the electrical energy storage device; special attention has been given to creation of an accurate model of the reaction of the voltage of the battery to typical varying load conditions.Calibration of the model has been achieved with a combination of data gathered from different drivetrain configurations on a rolling road facility and on road tests.

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Dokumentinformationen

Titel :

Development of a heavy Duty Hybrid Vehicle Model

Weitere Titelangaben:

Sae Technical Papers

Beteiligte:

Hanna, A. (Autor:in) / Simpson, A. (Autor:in) / Maybin, B. (Autor:in) / Steele, D. (Autor:in) / Douglas, R. (Autor:in) / Fleck, R. (Autor:in) / Kee, R. (Autor:in)

Kongress:

SAE 2009 Commercial Vehicle Engineering Congress & Exhibition ; 2009

Erschienen in:

Sae Technical Paper Series

Erscheinungsdatum :

2009-10-06

ISSN :

2688-3627 , 0148-7191

DOI :

https://doi.org/10.4271/2009-01-2933

Medientyp :

Aufsatz (Konferenz)