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Machines, Volume 12, Issue 3

March 2024 - 64 articles

Cover Story: Abrasive brushing processes are used for deburring, edge rounding, and roughness reduction. However, industrial brushing processes have historically relied on empirical knowledge due to the complex motion, chipping, and wear behavior of abrasive filaments. To better understand filament interactions, a physical model based on the discrete element method was developed to simulate process forces, contact areas, and interaction frequencies. Filament patterns of round brushes were determined through laser line triangulation and image processing. When used in brushing simulations, these experimental patterns yielded more accurate results than the oversimplified square patterns of previous research. The model could potentially be used to predict work results, dynamics, and tool wear. View this paper
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Articles (64)

  • Article
  • Open Access
2,005 Views
19 Pages

Using the AIDA Method in the Design of New Elements for the Photovoltaic Mounting Structures

  • Vlad Andrei Ciubotariu,
  • Cosmin Constantin Grigoras,
  • Valentin Zichil and
  • Bogdan Alexandru Chirita

21 March 2024

To address diverse challenges and accelerate the adoption of PV technology, innovative and cost-effective PV assemblies are essential. The Analysis of Interconnected Decision Areas—the AIDA method—offers a promising approach to achieving...

  • Article
  • Open Access
2 Citations
2,359 Views
19 Pages

A Structural Reliability Analysis Method Considering Multiple Correlation Features

  • Xiaoning Bai,
  • Yonghua Li,
  • Dongxu Zhang and
  • Zhiyang Zhang

21 March 2024

The paper analyzes the correlation features between stress strength, multiple failure mechanisms, and multiple components. It investigates the effects of different correlation features on reliability and proposes a method for structural reliability a...

  • Article
  • Open Access
3 Citations
2,246 Views
17 Pages

21 March 2024

It is essential to ensure stability during marine transportation or the installation of high center of gravity loads. The heavy loads increase gravity disturbance, affecting the steady-state-error control of the multiple degrees of freedom (DOFs) mot...

  • Article
  • Open Access
2,100 Views
25 Pages

20 March 2024

Mechanical memory elements cannot be accurately modeled using the Lagrangian method in the classical sense, since these elements are nonconservative in the plane of their non-constitutive relationships, and the system differential equations are not s...

  • Article
  • Open Access
3 Citations
1,874 Views
12 Pages

An Analysis of the WPT Function for Pattern Optimization to Detect Defects in Bearings

  • Marta Zamorano,
  • María Jesús Gómez and
  • Cristina Castejon

20 March 2024

New trends in maintenance techniques are oriented to digitization and prognosis. The new electronic devices based on IoT (Internet of Things) technology among others that support the industry 4.0 paradigm let enhance the traditional condition monitor...

  • Article
  • Open Access
4 Citations
3,979 Views
33 Pages

20 March 2024

To address the issues of workpiece distortion and excessive material melting caused by heat accumulation during laser cutting of thin-walled sheet metal components, this paper proposes a segmented optimization method for process parameters in sheet m...

  • Article
  • Open Access
6 Citations
2,590 Views
22 Pages

20 March 2024

In this paper, an adaptive and resilient consensus control mechanism for multi-robot systems under Byzantine attack, based on sliding mode control, is proposed. The primary aim of the article is to develop a finite-time consensus control strategy eve...

  • Article
  • Open Access
1 Citations
2,690 Views
16 Pages

20 March 2024

The vibration frequency characteristics of a rotor system are directly related to its moment of inertia. In this paper, a moment of inertia adjustment device is proposed to adjust the frequency characteristics of a rotor system and better reduce vibr...

  • Article
  • Open Access
2 Citations
2,986 Views
21 Pages

20 March 2024

This paper presents the development and use of digital tools in the maintenance processes and ergonomics of work systems in the aerospace industry. The Industry 4.0 strategy aims to ensure the reliability of the human factor throughout the entire lif...

  • Article
  • Open Access
6 Citations
2,427 Views
20 Pages

19 March 2024

Real-time kinematic (RTK) positioning of the global navigation satellite systems (GNSS) is used to provide centimeter-level positioning accuracy. There are several ways to implement RTK but a Kalman filter-based RTK is preferred because of its superi...

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Machines - ISSN 2075-1702