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Machines, Volume 9, Issue 3

2021 March - 23 articles

Cover Story: A setup is built representing a downscaled active car suspension application based on a widely available theoretical full-car suspension model. This setup mimics the behavior of a car driving on a realistic road surface in which active suspension components can counteract vibrations of a central platform representing a car body to maximize the driver's comfort. The actuators consist of servomotors from which a rotational torque is converted to a linear force through an electromechanical cylinder. The laboratory test setup allows the examination of a wide variety of different hardware and control aspects. Therefore, this setup is an excellent validation case for a novel methodology to simultaneously co-design the hardware architecture and control configuration for interacting systems. View this paper.
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Articles (23)

  • Article
  • Open Access
2 Citations
2,452 Views
11 Pages

The dynamics of mechanical systems, the operation of electromagnetic and electronic devices and devices, the principle of operation of a number of machines and mechanisms, engineering structures from various fields are often described by differential...

  • Article
  • Open Access
16 Citations
3,893 Views
16 Pages

A Variable Parameter Ambient Vibration Control Method Based on Quasi-Zero Stiffness in Robotic Drilling Systems

  • Laixi Zhang,
  • Chenming Zhao,
  • Feng Qian,
  • Jaspreet Singh Dhupia and
  • Mingliang Wu

Vibrations in the aircraft assembly building will affect the precision of the robotic drilling system. A variable stiffness and damping semiactive vibration control mechanism with quasi-zero stiffness characteristics is developed. The quasi-zero stif...

  • Article
  • Open Access
22 Citations
3,762 Views
17 Pages

In an orchard environment with a complex background and changing light conditions, the banana stalk, fruit, branches, and leaves are very similar in color. The fast and accurate detection and segmentation of a banana stalk are crucial to realize the...

  • Article
  • Open Access
1 Citations
2,606 Views
15 Pages

A Two-Stage Filter Split-Optimization Approach for Obtaining Multiple Solutions with Identical Objective Value

  • Pan Zou,
  • Manik Rajora,
  • Chiu-Feng Lin,
  • Ying-Cheng Lu,
  • MingYou Ma,
  • ZhiWen Fan,
  • HungYi Chen,
  • Wen Chieh Wu and
  • Steven Y. Liang

A tremendous amount of work has been done in the recent years in the optimization of input parameters, however, current optimization techniques can only provide a single optimal input process parameter combination. Although alternative techniques hav...

  • Article
  • Open Access
26 Citations
4,187 Views
17 Pages

Validation of Complex Control Systems with Heterogeneous Digital Models in Industry 4.0 Framework

  • Kirill Semenkov,
  • Vitaly Promyslov,
  • Alexey Poletykin and
  • Nadir Mengazetdinov

The precise evaluation of the system design and characteristics is a challenge for experts and engineers. This paper considers the problem of the development and application of a digital twin to assess cyberphysical systems. We analyze the details of...

  • Article
  • Open Access
3 Citations
3,174 Views
32 Pages

The article considers the important problem of technical and economic optimization of the operating modes of the first rise section of water supply systems. At the same time, the task is to minimize the costs associated with the excessive operation o...

  • Article
  • Open Access
6 Citations
3,742 Views
17 Pages

This article presents the results of the simulation of an automatic control system for the heat supply of a greenhouse complex with a geothermal heat source, conducted in order to study the possibility of geothermal heat supply system automation. Sci...

  • Article
  • Open Access
33 Citations
9,461 Views
23 Pages

Design and Optimization of a Centrifugal Pump for Slurry Transport Using the Response Surface Method

  • Khaled Alawadhi,
  • Bashar Alzuwayer,
  • Tareq Ali Mohammad and
  • Mohammad H. Buhemdi

Since centrifugal pumps consume a mammoth amount of energy in various industrial applications, their design and optimization are highly relevant to saving maximum energy and increasing the system’s efficiency. In the current investigation, a centrifu...

  • Article
  • Open Access
3 Citations
4,166 Views
13 Pages

In aviation, using external stores under the wings is a common method of carrying payload or fuel. In some cases, the payload can be rigidly attached to the wing. However, stores must often be ejected during flight for aircraft, such as military type...

  • Article
  • Open Access
11 Citations
3,110 Views
17 Pages

Future automation systems are likely to include devices with a varying degree of autonomy, as well as advanced algorithms for perception and control. Human operators will be expected to work side by side with both collaborative robots performing asse...

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Machines - ISSN 2075-1702