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Design and Implementation of a PWM-Based Speed Controller with Overcurrent and Overtemperature Protection for Electric Bicycles

Author

Listed:
  • Komal R Kawar
  • Sanskruti S Pekhale
  • Gauri S Jadhav
  • Pranali P Bhamare
  • Suhas U Borade

Abstract

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.

Suggested Citation

  • Komal R Kawar & Sanskruti S Pekhale & Gauri S Jadhav & Pranali P Bhamare & Suhas U Borade, 2025. "Design and Implementation of a PWM-Based Speed Controller with Overcurrent and Overtemperature Protection for Electric Bicycles," International Journal of Scientific Research in Mechanical and Materials Engineering, International Journal of Scientific Research in Mechanical and Materials Engineering, vol. 9(2), pages 37-40, April.
    • Handle: RePEc:jcp:ijsrmm:v9:y2025:i2:id:48
    DOI: 10.32628/IJSRMME25926
    Note: Article URL: https://ijsrmme.com/home/article/view/IJSRMME25926
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