2004•Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile EngineeringRequires access
Validation of battery-alternator model against experimental data-a first step towards developing a future power supply system
A M Boulos, C Pacaud, Keith J. Burnham, J. Mahtani
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Abstract
The electric power system of a modern vehicle has to supply enough electrical energy to drive numerous electrical and electronic systems and components. The electric power system of a vehicle consists of two major components: an alternator and a battery. A detailed understanding of the characteristics of the electric power system, electrical load demands and the operating environment, such as road conditions and vehicle laden weight, is required when the capacities of the generator and the battery are to be determined for a vehicle. In this study, a battery-alternator system has been developed and simulated in MATLAB/Simulink, and data obtained from vehicle tests have been used as a basis for validating the models. This is considered to be a necessary first step in the design and development of a new 42 V power supply system.