Three-electrode ECT sensor with rotation for use with a robot hand

Xiaofei Liu, Wuqiang Yang

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

It is important to develop sensing technology for the use with industrial robot hands or fingers. However, the existing technology is unable to sense inside of an object. In this paper, the possibility of using electrical capacitance tomography (ECT) for this purpose is discussed. With rotation of a three-finger robot hand, it is possible to obtain sufficient information to reconstruct internal structure or material distribution. Different arrangements of three electrodes with rotation as an ECT sensor are studied by software simulation. The effects of different number of rotation times on image reconstruction is compared. Image reconstruction is performed by linear back projection (LBP) and Landweber iteration algorithms. The relative error and correlation coefficient are calculated to evaluate results, showing that it is possible to realize image reconstruction by using a 3-electrode ECT sensor with rotation, and increasing the number of rotation times may not improve the quality of reconstructed images.
Original languageEnglish
Title of host publication2022 IEEE International Conference on Imaging Systems and Techniques (IST)
PublisherIEEE
Number of pages6
ISBN (Electronic)9781665481021
ISBN (Print)9781665481038
DOIs
Publication statusPublished - 20 Jul 2022
Event2022 IEEE International Conference on Imaging Systems and Techniques - Kaohsiung, Taiwan
Duration: 21 Jun 202223 Jun 2022

Publication series

NameIEEE International Workshop on Imaging Systems and Techniques
PublisherIEEE
ISSN (Print)1558-2809

Conference

Conference2022 IEEE International Conference on Imaging Systems and Techniques
Abbreviated titleIST 2022
Country/TerritoryTaiwan
CityKaohsiung
Period21/06/2223/06/22

Keywords

  • robot hand sensing
  • electrical capacitance tomography
  • sensor structure

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