Robotic Hand Controlled by Glove Using Wireless Communication
Abstract: The interest in the research and development of humanoid robots has been steadily growing in recent years. The application of such robotic systems are many and wide. In this bachelor’s thesis in mechatronics one such robotic system was built in the form of a hand. The aim was to investigate how well the robotic hand could imitate the movements of a user-worn controller glove as well as grip objects, both through wireless communication. The controller glove consisted of an Arduino Nano microcontroller, five flex sensors, an inertial measurement unit that detected the wrist rotation of the glove, a nRF24L01 transmitter as well as an external power source of 9 volts. The robotic hand consisted of three-dimensional printed parts from an open source library, an Arduino Uno microcontroller, a nRF24L01 receiver, two external power supplies of 9 volts and 5 volts and six servo motors, with one servo motor per finger and wrist. The finished robotic hand did well in imitating the motions of the controller glove with little to no observed delay and was able to grip onto objects of various sizes, shapes and weights up to 134 grams. The constructed robotic hand achieved the desired goals of the project. The results indicated that improvements can be made on the grip ability of objects with rigid surfaces as well as improving the imitation by implementing more degrees of freedom for the fingers of the robotic hand.
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