Publicação:
Low-cost PWM speed controller for an electric mini-baja type vehicle

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2-s2.0-34548749414.pdf (292.69 KB)

Data

2007-01-01

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Coorientador

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Resumo

This paperwork presents a Pulse Width Modulation (PWM) speed controller for an electric mini-baja-type car. A battery-fed 1-kW three-phase induction motor provides the electric vehicle traction. The open-loop speed control is implemented with an equal voltage/frequency ratio, in order to maintain a constant amount of torque on all velocities. The PWM is implemented by a low-cost 8-bit microcontroller provided with optimized ROM charts for distinct speed value implementations, synchronized transition between different charts and reduced odd harmonics generation. This technique was implemented using a single passenger mini-baja vehicle, and the essays have shown that its application resulted on reduced current consumption, besides eliminating mechanical parts. Copyright © 2007 by ABCM.

Descrição

Palavras-chave

Electric vehicles, Induction motors, PWM, Speed controllers, Speed drive, Costs, Electric current control, Microcontrollers, Pulse width modulation, Speed control, Electric vehicle traction, Open-loop speed control, Synchronized transition

Idioma

Inglês

Como citar

Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 29, n. 1, p. 21-25, 2007.

URI

http://hdl.handle.net/11449/69476

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Coleções

Guaratinguetá - FEG - Faculdade de Engenharia e Ciências

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