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Development of Solar-Powered Microcontroller-Relay-Based Control System Omnidirectional Wheelchair

Development of Solar-Powered Microcontroller-Relay-Based Control System Omnidirectional Wheelchair

Patrick Uche Okafor, Ndidi Stella Arinze, Osondu Ignatius Onah, Ebenezer Nnajiofo Ogbodo
Copyright: © 2021 |Pages: 11
ISBN13: 9781799869924|ISBN10: 179986992X|ISBN13 Softcover: 9781799869931|EISBN13: 9781799869948
DOI: 10.4018/978-1-7998-6992-4.ch007
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MLA

Okafor, Patrick Uche, et al. "Development of Solar-Powered Microcontroller-Relay-Based Control System Omnidirectional Wheelchair." Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering, edited by Augustine O. Nwajana and Isibor Kennedy Ihianle, IGI Global, 2021, pp. 181-191. https://doi.org/10.4018/978-1-7998-6992-4.ch007

APA

Okafor, P. U., Arinze, N. S., Onah, O. I., & Ogbodo, E. N. (2021). Development of Solar-Powered Microcontroller-Relay-Based Control System Omnidirectional Wheelchair. In A. Nwajana & I. Ihianle (Eds.), Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering (pp. 181-191). IGI Global. https://doi.org/10.4018/978-1-7998-6992-4.ch007

Chicago

Okafor, Patrick Uche, et al. "Development of Solar-Powered Microcontroller-Relay-Based Control System Omnidirectional Wheelchair." In Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering, edited by Augustine O. Nwajana and Isibor Kennedy Ihianle, 181-191. Hershey, PA: IGI Global, 2021. https://doi.org/10.4018/978-1-7998-6992-4.ch007

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Abstract

A solar-powered omnidirectional wheelchair is implemented for physically challenged persons. The framework was mounted on the wheels that were connected with two direct current (DC) motors. The ratings of the battery and solar module were determined using system voltage (12V). A 7,805-voltage regulator was used to supply 5VDC to the AT89352 microcontroller. The microcontroller was programmed to provide a reference signal to the motor. The motor provides the needed torque to drive the wheels through interconnected relays. The relays are energized by the microcontroller and omnidirectional movement achieved through relays connected with microprocessor and micro switches, eliminating the need for joysticks and complex control mechanisms. System performance test result showed that the auxiliary solar power supply of the wheelchair increased the travel range by approximately 86% compared with that of a wheelchair powered by battery alone.

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