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Actuators, Volume 10, Issue 7

July 2021 - 32 articles

Cover Story: Recently, there has been growing interest in high-rate actuators for single-shot applications, such as release/deployment mechanisms and high-strain-rate mechanical testing of materials, as well as high-frequency and energy-efficient actuation in micro-scale systems. Shape memory alloy (SMA) actuators are prime candidates for such applications due to their unique high work-per-volume yield. High-rate actuation of SMA can provide improved energy efficiency, as well as shorter response and total actuation times. The present review targets the different aspects of the high-rate actuation of SMA wires to enable actuator design based on specific user requirements. The paper provides general design guidelines for obtaining high actuator performance, as well as a detailed model and simulations of actuator response that can serve as accurate design tools. View this paper.
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Articles (32)

  • Review
  • Open Access
86 Citations
15,245 Views
26 Pages

Soft Exoskeletons: Development, Requirements, and Challenges of the Last Decade

  • Alan Francisco Pérez Vidal,
  • Jesse Yoe Rumbo Morales,
  • Gerardo Ortiz Torres,
  • Felipe de Jesús Sorcia Vázquez,
  • Alan Cruz Rojas,
  • Jorge Aurelio Brizuela Mendoza and
  • Julio César Rodríguez Cerda

19 July 2021

In this article, various investigations on soft exoskeletons are presented and their functional and structural characteristics are analyzed. The present work is oriented to the studies of the last decade and covers the upper and lower joints, specifi...

  • Article
  • Open Access
4 Citations
4,141 Views
23 Pages

19 July 2021

In order to study the mechanism of the tail swing of the bionic dolphin, a flexible tail experimental device based on a steering engine was developed. This study was focused on the common three joint steering gear and its use in a bionic dolphin tail...

  • Communication
  • Open Access
3 Citations
3,241 Views
15 Pages

19 July 2021

The objective of this work is to characterize the nonlinear dependence of the piezoelectric d15 shear coefficient of a composite actuator on the static electric field and include this effect in finite element (FE) simulations. The Levenberg-Marquardt...

  • Article
  • Open Access
27 Citations
13,773 Views
17 Pages

Performance Assessment of an Electric Power Steering System for Driverless Formula Student Vehicles

  • Raffaele Manca,
  • Salvatore Circosta,
  • Irfan Khan,
  • Stefano Feraco,
  • Sara Luciani,
  • Nicola Amati,
  • Angelo Bonfitto and
  • Renato Galluzzi

18 July 2021

In the context of automated driving, Electric Power Steering (EPS) systems represent an enabling technology. They introduce the ergonomic function of reducing the physical effort required by the driver during the steering maneuver. Furthermore, EPS g...

  • Article
  • Open Access
3 Citations
3,686 Views
17 Pages

Analysis and Synthesis in the Design of Magnetic Switching Electric Machines

  • Nikolay Shaitor,
  • Michal Kelemen and
  • Boris Yakimovich

16 July 2021

A systematic approach to the design of electrical machines is implemented by solving problems of analysis and synthesis in various combinations at different stages and stages of design. The questions of the formulation and implementation of synthesis...

  • Article
  • Open Access
6 Citations
3,145 Views
15 Pages

15 July 2021

A smart structure to actuate a morphing trailing edge based on the super critical airfoil NASA sc-0714(2) was designed and verified in a transonic wind tunnel. The pressure distribution over the wing was measured to evaluate the structure ability and...

  • Article
  • Open Access
5 Citations
3,767 Views
13 Pages

Additive Manufacturing of Flexible Material for Pneumatic Actuators Application

  • Miranda Fateri,
  • João Falcão Carneiro,
  • Achim Frick,
  • João Bravo Pinto and
  • Fernando Gomes de Almeida

15 July 2021

In this paper, endurance of peristaltic linear pneumatic actuators was studied using different hose geometries. Towards this goal, different hose geometries were additively manufactured using Fused Layer Manufacturing techniques of Thermoplastic Poly...

  • Article
  • Open Access
44 Citations
5,268 Views
19 Pages

Robust Model Reference Adaptive Control for Tail-Sitter VTOL Aircraft

  • Ahmed R. Ajel,
  • Amjad J. Humaidi,
  • Ibraheem Kasim Ibraheem and
  • Ahmad Taher Azar

15 July 2021

This study presents a control design of roll motion for a vertical take-off and landing unmanned air vehicle (VTOL-UAV) design based on the Model Reference Adaptive Control (MRAC) scheme in the hovering flight phase. The adaptive laws are developed f...

  • Article
  • Open Access
23 Citations
6,871 Views
17 Pages

Fluid-Structure Interaction Modelling of a Soft Pneumatic Actuator

  • Duraikannan Maruthavanan,
  • Arthur Seibel and
  • Josef Schlattmann

15 July 2021

This paper presents a fully coupled fluid-structure interaction (FSI) simulation model of a soft pneumatic actuator (SPA). Previous research on modelling and simulation of SPAs mostly involves finite element modelling (FEM), in which the fluid pressu...

  • Article
  • Open Access
2 Citations
3,788 Views
13 Pages

12 July 2021

The contact interface variables are difficult to measure for an ultrasonic motor. When the ultrasonic motor works under different preloads, the error between the traditional efficiency model and the real output is quite large. In order to solve these...

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Actuators - ISSN 2076-0825