Implementación de un sistema de control de velocidad para un prototipo tipo bicicleta para terapia en personas con pérdida de movilidad en los miembros inferiores.
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Date
2023-06-05
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Universidad Antonio Nariño
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http://purl.org/coar/resource_type/c_7a1f
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Abstract
Based on the data provided by the Dane until the year 2022, a percentage of 27.9%
of the population in Colombia has problems in the lower extremities, causing a small part
of this population to purchase rehabilitation equipment to replace the program activities in
a place assisted by professionals. To mitigate this problem, an existing design of four-bar
mechanisms is improved, with the adaptation of an electronic design that uses Arduino
programming in order to control the gear motor for a specific time less than 10 minutes
and this can be used in patients with loss of mobility. By means of an explanatory
methodology, the proposed design is defined, developed and verified.
On the other hand, a gear motor was used which has a voltage of 12 V with a
consumption of 2 A, which has 45 RPM on this equipment. For the prototype it was
characterized for being a mechanism designed with a load support of 28 Kg, being
displaced by the gear motor, allowing a controlled pedaling according to the time
programmed by the user. It was proved that the PID speed control allows from the
simulation to eliminate the peaks that alter the operation of the motor rpm at its maximum
point of 45 rpm and for its midpoint of 25 rpm.
As a conclusion, the constant variables of the PID were calculated and verified by
simulation and its programming was carried out by means of Arduino which allowed the
control of the RPM of the motor from the times in minutes or seconds.
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Neiva (Huila, Colombia)