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Micromachines
Special Issues
3D Printed Soft and Musculoskeletal Actuators, 2nd Edition
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3D Printed Soft and Musculoskeletal Actuators, 2nd Edition

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 2398

Special Issue Editor

Dr. Ed Habtour

E-Mail Website
Guest Editor
William E. Boeing Department of Aeronautics & Astronautics, University of Washington, Box 352400, Seattle, WA 98195-2400, USA
Interests: biomimetic actuation; artificial muscles; biomimicry; bioinspiration; distributive control; smart materials; dynamic structures; multifunctional structures; nature-inspired robots; nonlinear phenomena
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Motivated by the success of the Special Issue “3D-Printed Actuators” and the large number of submissions received, we are pleased to announce that we are launching Volume II titled “3D-Printed Soft and Musculoskeletal Actuators”. Volume II will focus on contemporary applications, innovative theories, and challenges related to assessing and exploiting the nonlinear behaviors of soft and musculoskeletal actuators—all underexplored areas. The objective is to highlight the latest scientific discoveries and potential engineering applications for soft and musculoskeletal actuators in the following key areas: design optimization for dynamic performance, efficient modeling, advances in additive manufacturing, and reliability assessment. To this end, multidisciplinary manuscripts from different scientific branches of materials, engineering, physics, mathematics, biology, and medicine are highly encouraged. Topics of interest include but are not limited to actuation for nature-inspired robots, aerial and ground vehicles, prosthetics, and medical devices. 

We invite scientists and engineers who contribute to the advancements of 3D-printed soft and musculoskeletal actuators to submit their studies and findings for publication in this Special Issue of the MDPI journal Micromachines.

Dr. Ed Habtour
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 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. Micromachines is an international peer-reviewed open access monthly 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

  • exploiting nonlinear behaviors
  • emergent dynamics
  • distributive actuation and control
  • antagonistic actuation
  • haptic feedback
  • advanced materials
  • modeling and optimization
  • reliability

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Published Papers (1 paper)

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Research

19 pages, 4928 KiB  
Article
An Improved Approach for Grasp Force Sensing and Control of Upper Limb Soft Robotic Prosthetics
by Hazem Bayoumi, Mohammed Ibrahim Awad and Shady A. Maged
Micromachines 2023, 14(3), 596; https://doi.org/10.3390/mi14030596 - 02 Mar 2023
Cited by 1 | Viewed by 2157
Abstract
The following research proposes a closed loop force control system, which is implemented on a soft robotic prosthetic hand. The proposed system uses a force sensing approach that does not require any sensing elements to be embedded in the prosthetic’s fingers, therefore maintaining [...] Read more.
The following research proposes a closed loop force control system, which is implemented on a soft robotic prosthetic hand. The proposed system uses a force sensing approach that does not require any sensing elements to be embedded in the prosthetic’s fingers, therefore maintaining their monolithic structural integrity, and subsequently decreasing the cost and manufacturing complexity. This is achieved by embedding an aluminum test specimen with a full bridge strain gauge circuit directly inside the actuator’s housing rather than in the finger. The location of the test specimen is precisely at the location of the critical section of the bending moment on the actuator housing due to the tension in the driving tendon. Therefore, the resulting loadcell can acquire a signal proportional to the prosthetic’s grasping force. A PI controller is implemented and tested using this force sensing approach. The experiment design includes a flexible test object, which serves to visually demonstrate the force controller’s performance through the deformation that the test object experiences. Setpoints corresponding to “light”, “medium”, and “hard” grasps were tested with pinch, tripod, and full grasps and the results of these tests are documented in this manuscript. The developed controller was found to have an accuracy of ±2%. Additionally, the deformation of the test object increased proportionally with the given grasp force setpoint, with almost no deformation during the light grasp test, slight deformation during the medium grasp test, and relatively large deformation of the test object during the hard grasp test. Full article
(This article belongs to the Special Issue 3D Printed Soft and Musculoskeletal Actuators, 2nd Edition)
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