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Actuators, Volume 14, Issue 1

January 2025 - 41 articles

Cover Story: The inspection of underwater structures is often hampered by harsh environmental conditions, limited access, high costs, and inherent safety issues. This paper focuses on an underwater rover to implement automated imaging techniques. There has been little work on image-based techniques for detecting and quantifying the extent of structural damage, particularly in submerged marine structures. This work seeks to address this knowledge gap through the development and performance evaluation of underwater photogrammetry. Experimental photogrammetry tests were carried out on an anchor, and their results were compared, both in and out of the sea environment, to validate the model presented. The results obtained so far confirm the validity of the approach and encourage future development for underwater inspections. View this paper
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Articles (41)

  • Article
  • Open Access
2 Citations
1,371 Views
20 Pages

Digital Hydraulic Motor Characteristic Analysis for Heavy-Duty Vehicle Traction

  • Hao Zhang,
  • Wenshu Wei,
  • Hong Wang,
  • Yang Zhang and
  • Xiaochao Liu

1 January 2025

Hydraulic motors have been widely used in large-scale machinery such as ground heavy equipment and heavy-duty vehicles, ships, and so on because of their high-power drive capability. However, the driving device is confronted with constraints related...

  • Review
  • Open Access
1 Citations
3,003 Views
30 Pages

A Survey of Vehicle System and Energy Models

  • Lingyun Hua,
  • Jian Tang and
  • Guoming Zhu

1 January 2025

Vehicle system models can be roughly divided into two categories, dynamic and steady-state (or quasi-steady-state) models, and can be applied to evaluate vehicle transient performance such as vehicle longitudinal and lateral dynamics, as well as ener...

  • Article
  • Open Access
3 Citations
1,339 Views
32 Pages

1 January 2025

As a representative of multi-functional engineering machinery, the excavator is irreplaceable in the field of engineering construction. To autonomously control the excavator bucket, it is essential to control the position of the bucket hydraulic cyli...

  • Article
  • Open Access
4 Citations
1,307 Views
20 Pages

30 December 2024

This paper discusses the dynamics of a novel energy harvester that converts heat into mechanical vibrations of two polyvinylidene fluoride (PVDF) piezoelectric cantilevers that generate electrical energy using a shape memory alloy (SMA) filament. The...

  • Article
  • Open Access
2 Citations
1,584 Views
16 Pages

Experimental Activity with a Rover for Underwater Inspection

  • Erika Ottaviano,
  • Agnese Testa,
  • Pierluigi Rea,
  • Marco Saccucci,
  • Assunta Pelliccio and
  • Maurizio Ruggiu

28 December 2024

The inspection of underwater structures is often hampered by harsh environmental conditions, limited access, high costs, and inherent safety issues. This paper focuses on the use of an underwater rover to implement automated imaging techniques for fa...

  • Article
  • Open Access
802 Views
16 Pages

Ground Motion Modeling and Adaptive Joint Control for Large-Scale UAVs

  • Bo Wang,
  • Wensheng Wang,
  • Xiaodan Cui and
  • Xiaoxiong Liu

27 December 2024

Aiming at the problem of lateral deviation of large-scale long-endurance solar-powered UAVs relative to the runway during takeoff or landing, a UAV ground motion control structure based on the combination of engine differential and rudder was propose...

  • Article
  • Open Access
2 Citations
995 Views
18 Pages

Flow Control of Flow Boiling Experimental System by Whale Optimization Algorithm (WOA) Improved Single Neuron PID

  • Yan Li,
  • Miao Qian,
  • Daojing Dai,
  • Weitao Wu,
  • Le Liu,
  • Haonan Zhou and
  • Zhong Xiang

27 December 2024

In the present study, to address the issue of flow rate instability in the flow boiling experimental system, a flow rate adaptive control system is developed using a single-neuron PID adaptive algorithm, enhanced with the whale optimization algorithm...

  • Article
  • Open Access
2 Citations
795 Views
11 Pages

Rate-Dependent Hysteresis Model Based on LS-SVM for Magnetic Shape Memory Alloy Actuator

  • Mengyao Wang,
  • Zhenze Liu,
  • Yewei Yu,
  • Xiaoning Yang and
  • Wei Gao

27 December 2024

Magnetic shape memory alloy-based actuators (MSMA-BAs) have extensive applications in the field of micro-nano positioning technology. However, complex hysteresis seriously affects its performance. To describe the hysteresis of MSMA-BA, this study pro...

  • Article
  • Open Access
1 Citations
1,320 Views
17 Pages

Design and Test of a Cone Dielectric Elastomer Actuator Driving Hopping Robot

  • Yunguang Luan,
  • Huaming Wang,
  • Ling Zhou and
  • Haichao Song

26 December 2024

Dielectric elastomer actuators (DEAs) are increasingly recognized for their potential in robotic applications due to their ability to undergo significant deformation when subjected to an electric field. However, they are often limited by their low ou...

  • Article
  • Open Access
2 Citations
1,096 Views
22 Pages

26 December 2024

After eliminating the speed sensor in the linear induction motor (LIM) high-performance closed-loop control system, the speed feedback information is missing in the speed closed loop. The accuracy of speed observation results is affected by changes i...

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Actuators - ISSN 2076-0825Creative Common CC BY license