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Actuators
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Fluid Power Actuation Systems
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Fluid Power Actuation Systems

A special issue of Actuators (ISSN 2076-0825).

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 10164

Special Issue Editor

Dr. Hideyuki Tsukagoshi

E-Mail Website
Guest Editor
Tokyo Institute of Tehcnology, 2 Chome-12-1 Ookayama, Meguro City, Tokyo 152-8550, Japan
Interests: fluid power robotics; soft actuator; biomimetics; rescue robot; medical robot

Special Issue Information

Dear Colleagues,

Systems driven by fluid power such as pneumatics, oil and water hydraulics, and functional fluids have unique characteristics that are difficult to realize with other actuator drives. A new paradigm in fluid power systems is now being born by integration with soft materials, 3D printing, IoT, etc.

This Special Issue aims to present the latest research on Fluid Power Actuation Systems, including innovative fluid-driven actuators, valves, piping configuration methods, portable pressure sources, and control methods, as well as system integration. It will also cover research on epoch-making applications of fluid power systems that will revolutionize soft robotics, medical devices, construction and industrial machinery, etc.

Dr. Hideyuki Tsukagoshi
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. Actuators 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 2400 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

  • Fluid Power Systems
  • Soft Robotics
  • Drive System Using Fluid Phenomenon
  • Pneumatic Actuator
  • Oil Hydraulic Actuator
  • Water Hydraulic Actuator
  • Functional Fluid Actuator
  • Valve / valve-less Control
  • Pressure Source
  • Fluid Power Control
  • Medical Robot
  • Rescue Robot
  • Construction Machinery

Published Papers (2 papers)

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Research

24 pages, 7641 KiB  
Article
Advanced Design and Optimal Sizing of Hydrostatic Transmission Systems
by Xiaofan Guo and Andrea Vacca
Actuators 2021, 10(9), 243; https://doi.org/10.3390/act10090243 - 21 Sep 2021
Cited by 7 | Viewed by 2615
Abstract
This paper presents a novel method for designing and sizing high-efficient hydrostatic transmissions (HTs) for heavy duty propulsion applications such as agricultural and construction machinery. The proposed method consists in providing cost effective HT architectures that maximizes efficiency at the most frequent operating [...] Read more.
This paper presents a novel method for designing and sizing high-efficient hydrostatic transmissions (HTs) for heavy duty propulsion applications such as agricultural and construction machinery. The proposed method consists in providing cost effective HT architectures that maximizes efficiency at the most frequent operating conditions of the transmission, as opposed to the traditional HT design methods based on the most demanding requirements of the system. The sizing method is based on a genetic optimization algorithm for calculating the optimal displacement of the main units of the HT to maximizes the efficiency in the most frequent operating conditions of the vehicle. A simulation model for HTs is built in MATLAB/Simulink® environment to test three different circuit alternatives for basic HTs. Considering a particular 250 kW heavy-duty application for which drive cycle data were available, this study shows great improvement in energy efficiency (14%) and power saving (20.1%) at frequent operating conditions while still achieving the corner power condition. Full article
(This article belongs to the Special Issue Fluid Power Actuation Systems)
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13 pages, 6968 KiB  
Article
Soft Hybrid Suction Cup Capable of Sticking to Various Objects and Environments
by Hideyuki Tsukagoshi and Yuichi Osada
Actuators 2021, 10(3), 50; https://doi.org/10.3390/act10030050 - 05 Mar 2021
Cited by 15 | Viewed by 6390
Abstract
A universal suction cup that can stick to various objects expands the areas in which robots can work. However, the size, shape, and surface roughness of objects to which conventional suction cups can stick are limited. To overcome this challenge, we propose a [...] Read more.
A universal suction cup that can stick to various objects expands the areas in which robots can work. However, the size, shape, and surface roughness of objects to which conventional suction cups can stick are limited. To overcome this challenge, we propose a new hybrid suction cup structure that uses the adhesive force of sticky gel and the suction force of negative pressure. In addition, a flexible and thin pneumatic balloon actuator with a check valve function is installed in the interior, enabling the controllable detachment from objects. The prototype has an outer diameter of 55 mm, a weight of 18.8 g, and generates an adsorption force of 80 N in the vertical direction and 60 N in the shear direction on porous walls where conventional suction cups struggle to adsorb. We confirmed that parts smaller than the suction cup and fragile potato chips are adsorbed by the prototype. Finally, the effectiveness of the proposed method is verified through experiments in which a drone with the prototypes can be attached to and detached from concrete walls and ceilings while flying; the possibility of adsorption to dusty and wet plates is discussed. Full article
(This article belongs to the Special Issue Fluid Power Actuation Systems)
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