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Machines, Volume 11, Issue 8

August 2023 - 77 articles

Cover Story: The paper proposes a new three-dimensional flexible hinge for precision manipulation and positioning where coverage of a large workspace is necessary. The hinge compact configuration results from serially connecting multiple straight- and circular-axis deformable segments in a folded manner. The analytical compliance model, which factors in the allowable stress, is derived based on a simplified hinge geometry. The model predictions are confirmed via finite element simulation and experimental testing of a prototype with maximum relative errors of around 3%. A steel hinge with an outer radius of 0.05 m and a wire diameter of 0.0035 m generates maximum displacements of 0.08 m and can withstand external forces of 70 N. View this paper
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Articles (77)

  • Article
  • Open Access
3 Citations
1,761 Views
18 Pages

21 August 2023

In order to perform multi-degree-of-freedom motion measurements of marine machinery, such as ship-borne mechanical platforms, in an absolute environment without a reference, absolute measurement methods using acceleration sensors and tilt gyroscopes...

  • Article
  • Open Access
9 Citations
2,356 Views
19 Pages

PT-Informer: A Deep Learning Framework for Nuclear Steam Turbine Fault Diagnosis and Prediction

  • Jiajing Zhou,
  • Zhao An,
  • Zhile Yang,
  • Yanhui Zhang,
  • Huanlin Chen,
  • Weihua Chen,
  • Yalin Luo and
  • Yuanjun Guo

21 August 2023

The health status of equipment is of paramount importance during the operation of nuclear power plants. The occurrence of faults not only leads to significant economic losses but also poses risks of casualties and even major accidents, with unimagina...

  • Article
  • Open Access
5 Citations
2,060 Views
26 Pages

19 August 2023

This paper addresses the lateral motion control of a supercavitating vehicle and studies its ability to maneuver. According to the unique hydrodynamic characteristics of the supercavitating vehicle, highly coupled nonlinear 6-degree-of-freedom (DOF)...

  • Article
  • Open Access
9 Citations
2,407 Views
11 Pages

Optimizing Layer Thickness and Width for Fused Filament Fabrication of Polyvinyl Alcohol in Three-Dimensional Printing and Support Structures

  • Mahmoud Moradi,
  • Mojtaba Karamimoghadam,
  • Saleh Meiabadi,
  • Shafqat Rasool,
  • Giuseppe Casalino,
  • Mahmoud Shamsborhan,
  • Pranav Kattungal Sebastian,
  • Arun Poulose,
  • Abijith Shaiju and
  • Mohammad Rezayat

19 August 2023

Polyvinyl Alcohol (PVA) is frequently applied as a support material in 3D printing, especially in the crafting of intricate designs and projecting elements. It functions as a water-soluble filament, often paired with materials like ABS or PLA. PVA se...

  • Article
  • Open Access
1 Citations
2,880 Views
20 Pages

Advanced System for Enhancing Location Identification through Human Pose and Object Detection

  • Medrano A. Kevin,
  • Jonathan Crespo,
  • Javier Gomez and
  • César Alfaro

18 August 2023

Location identification is a fundamental aspect of advanced mobile robot navigation systems, as it enables establishing meaningful connections between objects, spaces, and actions. Understanding human actions and accurately recognizing their correspo...

  • Article
  • Open Access
4 Citations
2,646 Views
23 Pages

18 August 2023

Current trends in the transportation industry prioritize competitive rivalry, compelling manufacturers to prioritize concepts such as quality and reliability. These concepts are closely associated with public expectations of safety, vehicle lifespan,...

  • Article
  • Open Access
2 Citations
1,907 Views
22 Pages

18 August 2023

The MK circles represent a kinematic synthesis tool for the dimensional synthesis of planar dyads. The tool is uniquely useful in its ability to both find specific dyad solutions and help the designer visualize numerous potential dyad pivot locations...

  • Article
  • Open Access
2,251 Views
17 Pages

Kinematics and Dynamics Analysis of a 3UPS-UPU-S Parallel Mechanism

  • Jing-Shan Zhao,
  • Xiao-Cheng Sun and
  • Song-Tao Wei

18 August 2023

In this paper, a two-rotational degrees of freedom parallel mechanism with five kinematic subchains (3UPS-UPU-S) (U, P, and S stand for universal joints, prismatic joints, and spherical joints) for an aerospace product is introduced, and its kinemati...

  • Article
  • Open Access
3 Citations
1,835 Views
19 Pages

Numerical Investigation of Background Noise in a Circulating Water Tunnel

  • Zhangkai Huang,
  • Meixia Chen,
  • Ting Wang,
  • Huachang Cui and
  • Wenkai Dong

18 August 2023

The presence of excessive background noise in hydrodynamic noise experiments conducted in circulating water tunnels can significantly impact the accuracy and reliability of experimental test results. To address this issue, it is crucial to evaluate a...

  • Article
  • Open Access
6 Citations
3,241 Views
19 Pages

17 August 2023

Human–machine shared control of intelligent vehicles is considered an important technology during the industrial application of autonomous driving systems. Among the engineering practices in driver assistance systems, shared steering control is...

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Machines - ISSN 2075-1702Creative Common CC BY license