Abstract
In this study, a test setup was designed for three- and/or four-wheeled electric mobility scooter models used by disabled or old people. This system is composed of a test platform that enables measurement of vehicular velocity, a data acquisition card, and an interface prepared in the C# program. Using the data acquisition card that was designed, seven quantities, namely, battery and motor currents, battery and motor terminal voltages, wheel speed in revolution per minute, and ambient and motor temperatures, were measured instantaneously during the test procedure and transferred to a computer via a USB device. Using these data that were transferred, motor speed in revolution per minute, torque generated by the motor, motor shaft power, motor and driver efficiency, instantaneous velocity of the vehicle, and total distance covered information obtained from the moment the vehicle began to be used were computed in real time throughout the experiment in the interface prepared in the C#, and their graphs were drawn and recorded. Thus, the faults in the battery, motor, or driver of electric mobility scooters became easily detectable in tests conducted under various conditions such as different ambient temperatures, different user weights, and roads with different slopes.
Highlights
Many people encounter diseases or accidents in their daily lives that occur beyond their control and confine them to a wheelchair throughout their lives
In order to ensure this, battery and motor currents, battery and motor terminal voltages, motor speed, motor and ambient temperatures, the torque generated by the motor, the instantaneous velocity of the motor, and the route information collected from the moment the vehicle began to be used need to be collected, transferred to a computer environment, and analyzed so that the true source of the fault can be determined
Seven quantities, namely, battery and motor currents, battery and motor terminal voltages, wheel speed, and ambient and motor temperatures, were measured instantaneously during the procedure and transferred to a computer via a USB. Using these data that were transferred, motor speed, torque generated by the motor, motor shaft power, motor and driver efficiency, instantaneous velocity of the vehicle, and total distance covered information obtained from the moment the vehicle began to be used were computed in real time throughout the experiment in the interface prepared in the C#, and their graphs were drawn and recorded
Summary
Many people encounter diseases or accidents in their daily lives that occur beyond their control and confine them to a wheelchair throughout their lives. Seven quantities, namely, battery and motor currents, battery and motor terminal voltages, wheel speed, and ambient and motor temperatures, were measured instantaneously during the procedure and transferred to a computer via a USB Using these data that were transferred, motor speed, torque generated by the motor, motor shaft power, motor and driver efficiency, instantaneous velocity of the vehicle, and total distance covered information obtained from the moment the vehicle began to be used were computed in real time throughout the experiment in the interface prepared in the C#, and their graphs were drawn and recorded. The motor speed, the torque generated by the motor, the shaft power of the motor, motor and driver efficiency, the instantaneous velocity of the motor, and the total distance covered information from the moment the vehicle began to be used are calculated, as it was stated before, by seven quantities measured instantaneously throughout the test process.
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