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Design of Force Sensors for the Ankle Rehabilitation Robot of Severe Stroke Patients
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 Title & Authors
Design of Force Sensors for the Ankle Rehabilitation Robot of Severe Stroke Patients
Kim, Han-Sol; Kim, Gab-Soon;
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 Abstract
This paper describes the design and fabrication of a two-axis force/torque sensor and an one-axis force sensor with parallel plate beams(PPSs) for measuring forces and torque in an ankle rehabilitation exercise using by a lower rehabilitation robot. The two-axis force/torque sensor is composed of a Fy force sensor and Tz torque sensor and the force sensor detects x direction force. The two-axis force/torque sensor and one-axis force sensor were designed using by FEM(Finite Element Method), and manufactured using strain-gages. The characteristics experiment of the two-axis force/torque sensor and one-axis force sensor were carried out respectively. As a test results, the interference error of the two-axis force/torque sensor was less than 1.56%, the repeatability error and the non-linearity of the two-axis force/torque sensor were less than 0.03% respectively, and the repeatability error and the non-linearity of the one-axis force sensor were less than 0.03% and 0.02% respectively.
 Keywords
Two-axis force sensor;Force sensor;Rated output;Interference error;Ankle force;
 Language
Korean
 Cited by
 References
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