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Soft Sensors for Wearable and Soft Robot Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 3793

Special Issue Editor


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Guest Editor
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
Interests: soft sensors and actuators; wearable robots; soft robotics; soft mechatronics; haptics; human–robot interactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recently, various soft sensors have been proposed as promising candidates for wearable and soft robot applications, due to their advantages in terms of stretchability, flexibility, and light-weight structure. For example, in wearable robots, soft sensors can be applied to monitor body motion and interactive force with enhanced wearability and portability. Additionally, soft sensors have the potential to measure the high dimensional deformation or shape transformation of soft robots. Various sensing methodologies and structural designs can be used in soft sensors depending on target applications. In addition, precise modeling and manufacturing processes can gurrantee the high accuracy and reliability of soft sensors.

This Special Issue is intended to address all types of soft sensors developed for wearable and soft robot applications. We would like to invite researchers to contribute their original research and qualified reviews related to this topic, including soft sensors, innovative sensing methodologies, and applications to wearable and soft robots, such as motion sensors, healthcare monitoring sensors, shape sensing system for soft robots, and so on.

Prospective authors are invited to submit high-quality papers representing results in all areas of soft robotics, including but not limited to the following:

  • Stretchable sensors;
  • Flexible sensors;
  • Soft mrchanical (strain/stress/pressure/force) sensors;
  • Wearable sensors;
  • Skin patch sensor/sensors printed on the skin;
  • Soft sensor system for soft robots;
  • Novel sensing methodology of soft sensors;
  • Novel manufacturing techniques of soft sensors;
  • Wearable healthcare sensors;
  • Wearable motion sensors;
  • Shape/geometry sensing for soft robots;
  • Human–robot interactions;
  • New types of soft sensors.

Prof. Dr. Ki-Uk Kyung
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • stretchable sensors
  • flexible sensors
  • soft mrchanical (strain/stress/pressure/force) sensors
  • wearable sensors
  • skin patch sensor/sensors printed on the skin
  • soft sensor system for soft robots
  • novel sensing methodology of soft sensors
  • novel manufacturing techniques of soft sensors
  • wearable healthcare sensors
  • wearable motion sensors shape/geometry sensing for soft robots
  • human–robot interactions
  • new types of soft sensors

Published Papers (1 paper)

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Research

13 pages, 6174 KiB  
Article
A 3D-Printed Soft Fingertip Sensor for Providing Information about Normal and Shear Components of Interaction Forces
by Gerjan Wolterink, Remco Sanders, Bert-Jan van Beijnum, Peter Veltink and Gijs Krijnen
Sensors 2021, 21(13), 4271; https://doi.org/10.3390/s21134271 - 22 Jun 2021
Cited by 18 | Viewed by 3150
Abstract
Sensing of the interaction forces at fingertips is of great value in assessment and rehabilitation therapy. Current force sensors are not compliant to the fingertip tissue and result in loss of touch sensation of the user. This work shows the development and characterization [...] Read more.
Sensing of the interaction forces at fingertips is of great value in assessment and rehabilitation therapy. Current force sensors are not compliant to the fingertip tissue and result in loss of touch sensation of the user. This work shows the development and characterization of a flexible fully-3D-printed piezoresistive shear and normal force sensor that uses the mechanical deformation of the finger tissue. Two prototypes of the sensing structure are evaluated using a finite element model and a measurement setup that applies normal and shear forces up to 10 N on a fingertip phantom placed inside the sensing structure, which is fixed to prevent slippage. Furthermore, the relation between strain (rate) and resistance of the conductive TPU, used for the strain gauges, is characterized. The applied normal and shear force components of the 3D-printed sensing structure can be partly separated. FEM analysis showed that the output of the sensor is largely related to the sensor geometry and location of the strain gauges. Furthermore, the conductive TPU that was used has a negative gauge factor for the strain range used in this study and might cause non-linear behaviors in the sensor output. Full article
(This article belongs to the Special Issue Soft Sensors for Wearable and Soft Robot Applications)
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