Design and Implementation of a PWM-Based Speed Controller with Overcurrent and Overtemperature Protection for Electric Bicycles
DOI:
https://doi.org/10.32628/IJSRMMEKeywords:
Electric Bicycle, Speed Controller, PWM, Overcurrent Protection, Overtemperature Protection, MicrocontrollerAbstract
This paper presents the design and implementation of a pulse-width modulation (PWM)-based speed controller with overcurrent and overtemperature protection for electric bicycles. The proposed speed controller uses a microcontroller to generate PWM signals that control the speed of the electric bicycle. The speed controller also incorporates overcurrent and overtemperature protection circuits to prevent damage to the motor and other components. The overcurrent protection circuit uses a current sensor to monitor the motor current and disconnects the power supply when the current exceeds a predetermined threshold. The overtemperature protection circuit uses a temperature sensor to monitor the motor temperature and reduces the power supply when the temperature exceeds a predetermined threshold. The proposed speed controller was implemented and tested on an electric bicycle, and the results show that it can efficiently control the speed of the bicycle while providing reliable overcurrent and overtemperature protection.
References
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