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Finger displacement sensing: FEM simulation and modelling of a customizable three-layer electrode design

Finger displacement sensing: FEM simulation and modelling of a customizable three-layer electrode design
Finger displacement sensing: FEM simulation and modelling of a customizable three-layer electrode design
Home based or tele technological systems and smart devices have provided alternative delivery forms to promote hand rehabilitation. As a step towards the targeted system, a finite element method (FEM) simulation based on MGC3130 three-layer electrode design in Comsol®, and a nonlinear regression analysis using Matlab® were carried out. Concerning different combinations of fingers’ movement and the symmetrical structure of the simulation model, nine cases in total are simulated. In each case, there are ten testing points, ranging from 0mm to 30mm, to explore the inherent relationship between the distance changed from finger motion and the voltage signals detected in the receive electrodes. The results in both the original electrode design and the modified electrodes design agree with the quasi-static electrical near field theory and the symmetrical structure of the three-layer electrodes. Based on the simulation result, the functional relationship of the data was also investigated. The nonlinear equation, describing the performance of the electrode layers, fits well in both electrode designs, which implies a clear inverse relation between the changed distance and the detected voltage signals. The equation also reflects the sensitive and finite features of the design, which helps to guide and optimize the practical design of the electrodes in the future investigations.
IEEE
Hu, Nan
580a7979-65b9-42e3-895d-27604338e836
Chappell, Paul
2d2ec52b-e5d0-4c36-ac20-0a86589a880e
Harris, Nicholas
237cfdbd-86e4-4025-869c-c85136f14dfd
Hu, Nan
580a7979-65b9-42e3-895d-27604338e836
Chappell, Paul
2d2ec52b-e5d0-4c36-ac20-0a86589a880e
Harris, Nicholas
237cfdbd-86e4-4025-869c-c85136f14dfd

Hu, Nan, Chappell, Paul and Harris, Nicholas (2018) Finger displacement sensing: FEM simulation and modelling of a customizable three-layer electrode design. In 2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE..

Record type: Conference or Workshop Item (Paper)

Abstract

Home based or tele technological systems and smart devices have provided alternative delivery forms to promote hand rehabilitation. As a step towards the targeted system, a finite element method (FEM) simulation based on MGC3130 three-layer electrode design in Comsol®, and a nonlinear regression analysis using Matlab® were carried out. Concerning different combinations of fingers’ movement and the symmetrical structure of the simulation model, nine cases in total are simulated. In each case, there are ten testing points, ranging from 0mm to 30mm, to explore the inherent relationship between the distance changed from finger motion and the voltage signals detected in the receive electrodes. The results in both the original electrode design and the modified electrodes design agree with the quasi-static electrical near field theory and the symmetrical structure of the three-layer electrodes. Based on the simulation result, the functional relationship of the data was also investigated. The nonlinear equation, describing the performance of the electrode layers, fits well in both electrode designs, which implies a clear inverse relation between the changed distance and the detected voltage signals. The equation also reflects the sensitive and finite features of the design, which helps to guide and optimize the practical design of the electrodes in the future investigations.

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Accepted/In Press date: February 2018
Published date: 12 July 2018
Venue - Dates: IEEE International Instrumentation and Measurement Technology Conference, Houston, United States, 2018-05-14 - 2018-05-17

Identifiers

Local EPrints ID: 418442
URI: https://eprints.soton.ac.uk/id/eprint/418442
PURE UUID: b8c347f6-53b7-4f6b-a1db-83bc8a6e5271
ORCID for Nan Hu: ORCID iD orcid.org/0000-0002-8436-3575
ORCID for Nicholas Harris: ORCID iD orcid.org/0000-0003-4122-2219

Catalogue record

Date deposited: 08 Mar 2018 17:30
Last modified: 14 Mar 2019 01:53

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Contributors

Author: Nan Hu ORCID iD
Author: Paul Chappell
Author: Nicholas Harris ORCID iD

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