期刊
SENSORS
卷 21, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/s21010137
关键词
prosthetic hand; MyWare sensor; force sensing resistors; human hand anatomy
This paper outlines the development of a prosthetic hand based on human hand anatomy, featuring the use of 3D printing for hand phalanges and innovative prosthetic hand joins. The use of driven wire tendons, force sensitive resistors, and Electromyogram sensors contributes to increased movement freedom and hand action control for the prosthetic hand.
The present paper describes the development of a prosthetic hand based on human hand anatomy. The hand phalanges are printed with 3D printing with Polylactic Acid material. One of the main contributions is the investigation on the prosthetic hand joins; the proposed design enables one to create personalized joins that provide the prosthetic hand a high level of movement by increasing the degrees of freedom of the fingers. Moreover, the driven wire tendons show a progressive grasping movement, being the friction of the tendons with the phalanges very low. Another important point is the use of force sensitive resistors (FSR) for simulating the hand touch pressure. These are used for the grasping stop simulating touch pressure of the fingers. Surface Electromyogram (EMG) sensors allow the user to control the prosthetic hand-grasping start. Their use may provide the prosthetic hand the possibility of the classification of the hand movements. The practical results included in the paper prove the importance of the soft joins for the object manipulation and to get adapted to the object surface. Finally, the force sensitive sensors allow the prosthesis to actuate more naturally by adding conditions and classifications to the Electromyogram sensor.
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