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Actuators, Volume 10, Issue 9

September 2021 - 42 articles

Cover Story: Morphing wing structures is the next step in aviation; however, systematic design approaches are complex and still being explored today. This work proposes a systematic topology optimization approach for simultaneously designing morphing functionality and actuation in wing structures. A three-phase material model is employed to represent structure and actuating materials and voids. A linear-strain-based expansion models the actuation. The optimization problem is formulated to minimize structural compliance, while the morphing functionality is enforced by constraining a morphing error between the actual and target wing shape. Moreover, a feature-mapping approach is utilized to simplify actuator geometries. The work presents the first step toward the systematic design of three-dimensional morphing wing structures. View this paper.
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Articles (42)

  • Article
  • Open Access
11 Citations
4,871 Views
24 Pages

21 September 2021

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 effectiv...

  • Article
  • Open Access
5 Citations
4,695 Views
25 Pages

Path Tracking Control of Autonomous Vehicle Based on Nonlinear Tire Model

  • Fen Lin,
  • Minghong Sun,
  • Jian Wu and
  • Chengliang Qian

21 September 2021

The tire forces of vehicles will fall into the non-linear region under extreme handling conditions, which cause poor path tracking performance. In this paper, a model predictive controller based on a nonlinear tire model is designed. The tire forces...

  • Article
  • Open Access
5 Citations
3,380 Views
11 Pages

Reversible Torsional Actuation of Hydrogel Filled Multifilament Fibre Actuator

  • Xi Zhang,
  • Jinxuan Zhang,
  • Bidita Salahuddin,
  • Shuai Gao,
  • Shazed Aziz and
  • Zhonghua Zhu

21 September 2021

Twisted polymer fibre actuators provide high torsional rotation from stimulated volume expansion, induced either by chemical fuelling, thermal stimulation, or electrochemical charging. One key limitation of these actuators is the irreversibility of t...

  • Article
  • Open Access
6 Citations
2,972 Views
16 Pages

17 September 2021

With the fast development of infrastructure and communication technology, the Internet of Things (IoT) has become a promising field. Ongoing research is looking at the smart home environment as the most promising sector that adopts IoT and cloud comp...

  • Article
  • Open Access
12 Citations
4,861 Views
20 Pages

16 September 2021

At present, the master cylinder pressure estimation algorithm (MCPE) of electro-hydraulic brake systems (EHB) based on vehicle dynamics has the disadvantages of poor condition adaptability, and there are delays and noise in the estimated pressure; ho...

  • Article
  • Open Access
12 Citations
4,081 Views
18 Pages

Port-Hamiltonian Modeling and IDA-PBC Control of an IPMC-Actuated Flexible Beam

  • Weijun Zhou,
  • Yongxin Wu,
  • Haiqiang Hu,
  • Yanjun Li and
  • Yu Wang

14 September 2021

In this paper, the infinite-dimensional port-Hamiltonian modelling and control problem of a flexible beam actuated using ionic polymer metal composite (IPMC) actuators is investigated. The port-Hamiltonian framework is used to propose an interconnect...

  • Communication
  • Open Access
4 Citations
3,796 Views
11 Pages

Proof of Principle of a Fuel Injector Based on a Magnetostrictive Actuator

  • Luigi Allocca,
  • Daniele Davino,
  • Alessandro Montanaro and
  • Ciro Visone

14 September 2021

One of the goals of modern internal combustion engines is the NOx-soot trade-off, and this would be better achieved by a better control of the fuel injection. Moreover, this feature can be also useful for high-performance hydraulic systems. Actual fu...

  • Communication
  • Open Access
4 Citations
4,231 Views
14 Pages

Mechanism and Experiment Study of Non-Contact Ultrasonic Assisted Grinding

  • Weiqing Huang,
  • Qunyou Zhong,
  • Dawei An,
  • Chenglong Yang and
  • Yi Zhang

14 September 2021

Ultrasonic-assisted grinding processing can effectively reduce the surface roughness and enhance the processing efficiency in the processing of hard and brittle materials. However, the most common ultrasonic assisted grinding is a type of contact ult...

  • Article
  • Open Access
3 Citations
4,478 Views
19 Pages

14 September 2021

This work investigates the effect of spool displacement control of the piezoelectric stack actuator (PSA) based valve system on the flow motion of the pressure drop and flow rate. As a first step, the governing equations of the structural parts of th...

  • Article
  • Open Access
16 Citations
4,020 Views
14 Pages

13 September 2021

The Remaining useful life (RUL) prediction is of great concern for the reliability and safety of lithium-ion batteries in electric vehicles (EVs), but the prediction precision is still unsatisfactory due to the unreliable measurement and fluctuation...

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Actuators - ISSN 2076-0825