Secco, Emanuele Lindo and Agidew, Tayachew and Nagar, Atulya K. (2018) An Optical-based Fingertip Force sensor. Advances in Science, Technology and Engineering Systems Journal, 3 (5). pp. 23-27. ISSN 2415-6698 (Accepted for Publication)
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Abstract
This work introduces the design and prototype development of a novel optical-based fingertip force sensor, which is integrated in a bio-mimetic finger for robotic and prosthetic manipulation. Given the optical nature of the sensor, the proposed device is free of any electrical and metal components. Accordingly, the design improves manipulation of objects with high electromagnetic compatibility performance, reducing sensor’s susceptibility in the presence of these disturbances. The sensor has inherently high SNR and low-power consumption. The concept of using simplified and low cost optical based fingertip force sensor for bio-mimetic anthropomorphic fingers has not been widely implemented so far. The sensor is based on a cantilever design combined with a couple of fiber optics and a reflective surface, it is integrated on the distal phalange of a novel bio-mimetic and anthropomorphic robotic finger. Sensor design was performed and optimized throughout a 3D printing process and Finite Element Analysis. The sensor’s sensitivity (0.098V/N), resolution (0.01N), accuracy (3% of full scale output (FS)) and hysteresis (9.24% of FS) were characterized through a calibration processes. Various applications like surgical manipulation or handling in harsh environment (i.e. high voltage, high temperature and explosive environments) will benefit from the proposed sensor’s performance, reliability, simplicity and bio-compatibility.
| Item Type: | Article |
|---|---|
| Additional Information and Comments: | This article has been accepted for publication in Advances in Science, Technology and Engineering Systems Journal. The final version is available from https://astesj.com/v03/i05/p04/ |
| Faculty / Department: | Faculty of Human and Digital Sciences > Mathematics and Computer Science |
| Depositing User: | Emanuele Secco |
| Date Deposited: | 26 Sep 2018 08:16 |
| Last Modified: | 26 Sep 2018 08:56 |
| URI: | https://hira.hope.ac.uk/id/eprint/2601 |
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