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Applied Sciences
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Mechatronics System Design in Medical Engineering
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Mechatronics System Design in Medical Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 7334

Special Issue Editors

Dr. Florin Popişter

E-Mail Website
Guest Editor
Associate Professor, Department of Design Engineering and Robotics, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
Interests: graphs; CNC machining; CNC programming; CNC/CAM; reverse engineering; CATIA V5; CMM; digitization; additive manufacturing; CAD-CAM; parallel robots
Dr. Sergiu Dan Stan

E-Mail Website
Guest Editor
Associate Professor, Department of Mechatronics and Machine Dynamics, Technical University of Cluj-Napoca, Cluj-Napoca, Romania
Interests: mechatronics; parallel robots; robot programming; design of mechatronic systems; CAD; CAM; mechanisms and dynamics of machines; modelling and simulation; MATLAB/Simulink; VR; optimization; genetic algorithms
Special Issues, Collections and Topics in MDPI journals
Dr. Nikola Vitković

E-Mail Website
Guest Editor
Associate Professor, Faculty of Mechanical Engineering, University of Nis, 18000 Niš, Serbia
Interests: geometry; CAD; analysis; mechanical engineering; manufacturing; applied artificial intelligence; programming; computer graphics; Internet Of Things; information systems; reverse engineering; rapid prototyping; biomedical engineering
Dr. Milan Banić

E-Mail Website
Guest Editor
Associate Professor, Faculty of Mechanical Engineering, University of Nis, Niš 18000, Serbia
Interests: finite element analysis; mechanical engineering; structural analysis; finite element modeling; mechanical engineering design; computer-aided design; railway; CAE
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focuses on mechatronics systems design, which combines knowledge from electronics, control, materials, manufacturing and modeling to simulate and implement novel products and devices within the medical engineering domain. In order to keep up with the modern trends set by Industry 4.0, with the increased added value of products and systems, advanced technologies and equipment must meet more intensive requirements, necessitating novel research on mechatronic systems in medical engineering.

Mechatronic systems within domains such as manufacturing, programming, prototyping, materials, artificial intelligence, etc., can aid in the development of novel methods, products and practices within medical engineering areas for integration in automatized chains of production or clinical robot design.

Both theoretical and experimental studies are welcome, as well as comprehensive reviews and survey articles.

Topics of interest for this Special Issue include, but are not limited to:

  • Mechatronics systems control;
  • Programming in control and mechatronics;
  • Image processing applied in mechatronics and medical engineering;
  • Artificial intelligence applied in mechatronics and medical engineering;
  • Modeling and simulation of products in medical engineering;
  • Prototyping and deployment;
  • CAD/CAM and FEA;
  • Additive manufacturing;
  • Optimal design of mechatronic systems;
  • Redundant parallel robots;
  • Reverse engineering in medical applications;
  • Modern trends in parallel robots for medical applications;
  • Internet of Things in medical engineering;
  • Biomaterials used in medical engineering;
  • Composite materials for medical structures;
  • Monitoring sport and physical activity—measurement and evaluation.

Dr. Florin Popişter
Dr. Sergiu Dan Stan
Dr. Nikola Vitković
Dr. Milan Banić
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Related Special Issue

Published Papers (5 papers)

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Research

13 pages, 4013 KiB  
Article
The Design and Testing of an Additive Manufacturing-Obtained Compliant Mechanism for the Complex Personalisation of Lenses in Clinical Optometry
by Victor Constantin, Daniel Comeagă, Bogdan Grămescu, Daniel Besnea and Edgar Moraru
Appl. Sci. 2023, 13(24), 13010; https://doi.org/10.3390/app132413010 - 06 Dec 2023
Viewed by 613
Abstract
The precision needed in optometric measurements for the correct customization of progressive lenses usually falls short of what is required for accurate prescriptions. This usually stems from the fact that most measurements are obtained using outdated methods, employing either rulers or protractors. While [...] Read more.
The precision needed in optometric measurements for the correct customization of progressive lenses usually falls short of what is required for accurate prescriptions. This usually stems from the fact that most measurements are obtained using outdated methods, employing either rulers or protractors. While there is equipment available for precise measurements, the cost of purchase and ownership is usually prohibitive. In this context, due to constant progress in high-resolution cameras along with the processing power of handheld devices, another solution has presented itself in different iterations in the past decade, as put forward by different manufacturers of optical lenses. Such a system comprises a mobile computing device with image capture and processing capabilities (tablet or smartphone), along with a marker support system to be mounted on the user’s glasses frames. Aside from cost, the ease of implementation and usage, the advantage of such a system is that the parameters, as measured, allow for better customization, since the eyewear is already in the position in which it will be used. It allows the optometrist to measure parameters such as interpupillary distance, pantoscopic angle and the curvature of the eyewear in relation to the user’s own specific shape and size. This paper proposes a model of a marker support system that is easy to use, precise, low in cost and has minimal impact on the measurements obtained by the optometrist. As such, this paper examines the steps for determining the shape needed for supports in relation to the measurements that need to be taken; a finite element analysis of the support was proposed, along with various tests and modifications that were made to the device until a specific shape and material combination was found that satisfied all of the parameters required. An experimental model of the system was produced and tested on a wide variety of glasses frames with good results, as presented in the following work. Full article
(This article belongs to the Special Issue Mechatronics System Design in Medical Engineering)
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17 pages, 3835 KiB  
Article
Examining Gait Characteristics in People with Osteoporosis Utilizing a Non-Wheeled Smart Walker through Spatiotemporal Analysis
by Nazia Ejaz, Saad Jawaid Khan, Fahad Azim, Mehwish Faiz, Emil Teuțan, Alin Pleșa, Alexandru Ianosi-Andreeva-Dimitrova and Sergiu-Dan Stan
Appl. Sci. 2023, 13(21), 12017; https://doi.org/10.3390/app132112017 - 03 Nov 2023
Viewed by 712
Abstract
Fragility fractures, caused by low-energy trauma, are a significant global health concern, with 158 million people aged 50 and over at risk. Hip fractures, a common issue in elderly patients, are often linked to underlying conditions such as osteoporosis. This study proposed a [...] Read more.
Fragility fractures, caused by low-energy trauma, are a significant global health concern, with 158 million people aged 50 and over at risk. Hip fractures, a common issue in elderly patients, are often linked to underlying conditions such as osteoporosis. This study proposed a cost-effective solution using a non-wheeled smart walker with load sensors to measure gait parameters, addressing the high cost of traditional gait analysis equipment, the prototype used PASCO load cells PS2200 for force measurement, eliminating the need for Arduino UNO or microcontroller-based hardware. A lightweight amplifier PS2198 amplified the signal, which was transmitted via USB to a personal computer. PASCO capstone software was used for data recording and visualization. The smart walker was tested on forty volunteers divided into two equal groups: those with osteoporosis and those without, by performing a 10 m walk test three times. ANOVA comparing spatiotemporal parameters (TSPs) of the two participant groups (α = 0.05) showed that significant differences lay in terms of time taken to complete the walk test (p < 0.01), left step length (p = 0.03), walking speed (p = 0.02), and stride length (p < 0.02). The results indicate that this smart walker is a reliable tool for assessing gait patterns in individuals with osteoporosis. The proposed system can be an alternative for time consuming and costly methods such as motion capture, and for socially stigmatizing devices such as exoskeletons. It can also be used further to identify risk factors of osteoporosis. Full article
(This article belongs to the Special Issue Mechatronics System Design in Medical Engineering)
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14 pages, 6765 KiB  
Communication
Aspects Related to the Design and Manufacturing of an Original and Innovative Marker Support System for Use in Clinical Optometry
by Victor Constantin, Daniel Besnea, Bogdan Gramescu and Edgar Moraru
Appl. Sci. 2023, 13(5), 2859; https://doi.org/10.3390/app13052859 - 23 Feb 2023
Cited by 2 | Viewed by 1074
Abstract
The compliant mechanism studied in this paper is used in the structure of an assembly necessary for the temporary mounting of visual markers on glasses frames. Proper correction of vision defects in patients is a field of study in healthcare that has grown [...] Read more.
The compliant mechanism studied in this paper is used in the structure of an assembly necessary for the temporary mounting of visual markers on glasses frames. Proper correction of vision defects in patients is a field of study in healthcare that has grown in complexity, along with all aspects of technology, over the past decades. As such, along with better lenses and frames, including custom solutions, the devices used to determine the patient’s specific parameters need to be more complex and precise. However, this is only part of the problem: while many devices exist that take measurements such as interpupillary distance with great precision, these come at a very high cost and do not take into account aspects related to real-life usage of the lenses, such as the patient’s position, angle, etc. Given the considerations above, this paper approaches the design, simulation, realization and testing of a working model of a frame used to support markers used in the optometry process. The design proposed in this paper assumes that the system used can be used while the glasses are mounted on the patient’s face, without influencing in any way their position in front of the patient’s eyes. Furthermore, the system must allow assembly and disassembly with minimal effort, to allow the patient to perform some movements without changing the position of the frame, as well as the easy access to the markers mounted on the spectacle frame. The main scope of the paper is to design and choose the correct constructive solution of a compliant mechanism for this important clinical optometric application in terms of geometric parameters, material and technology used to obtain appropriate performances. The authors highlight how the parameters and manufacturing technology for the device were chosen, and a finite element analysis is used to simulate the mechanical behaviour of the mechanism and to choose the optimal variant in terms of the desired displacement between three proposed materials for the given application. After justifying the choice of the constructive solution, several physical models of optometric support markers were realised using Fused Deposition Modeling (FDM), and Polyethylene terephthalate glycol (PETG) or polylactic acid as materials. Furthermore, an electro-pneumatic experimental test stand was developed to simulate and test the functionality of the device and to validate the proposed model. Full article
(This article belongs to the Special Issue Mechatronics System Design in Medical Engineering)
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17 pages, 7979 KiB  
Article
Simulation, Analysis, and Experimentation of the Compliant Finger as a Part of Hand-Compliant Mechanism Development
by Dušan Stojiljković, Maša Milošević, Danijela Ristić-Durrant, Vlastimir Nikolić, Nenad T. Pavlović, Ivan Ćirić and Nikola Ivačko
Appl. Sci. 2023, 13(4), 2490; https://doi.org/10.3390/app13042490 - 15 Feb 2023
Cited by 2 | Viewed by 2394
Abstract
Compliant mechanisms are gaining popularity in many different fields, such as in microelectromechanical systems (MEMS), medical applications and health care, opto-mechatronic technology, aerospace engineering, and semiconductor equipment. One of the areas for utilizing compliant mechanisms is building models of human hand counterparts. These [...] Read more.
Compliant mechanisms are gaining popularity in many different fields, such as in microelectromechanical systems (MEMS), medical applications and health care, opto-mechatronic technology, aerospace engineering, and semiconductor equipment. One of the areas for utilizing compliant mechanisms is building models of human hand counterparts. These models are often used as grasping and rehabilitation devices. Because of their properties, creating a human hand counterpart with compliant mechanisms is a much better choice compared with the models with traditional mechanisms; it looks more realistic, and its movements are much more natural compared with models with a traditional mechanism. A method of modeling and designing such a bio-inspired mechanism, as well as its experimental analysis with various forces applied, is presented in this paper. Two prototypes of the compliant fingers were obtained by 3D printing, and the calculation of the bending angle values was achieved by applying image processing to camera images of the compliant fingers’ prototypes. Image processing was conducted on images taken for both loaded and unloaded 3D-printed compliant finger prototype positions. Finally, these bending angle results are compared with the results obtained by Finite Element Method (FEM) analysis and experimental results acquired by a digital protractor. Full article
(This article belongs to the Special Issue Mechatronics System Design in Medical Engineering)
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12 pages, 2918 KiB  
Article
Comparative Study Using CAD Optimization Tools for the Workspace of a 6DOF Parallel Kinematics Machine
by Sergiu-Dan Stan, Florin Popişter, Alexandru Oarcea and Paul Ciudin
Appl. Sci. 2022, 12(18), 9258; https://doi.org/10.3390/app12189258 - 15 Sep 2022
Cited by 1 | Viewed by 1393
Abstract
This paper deals with an up-to-date topic among robotic industrial applications that require a high degree of speed, rigidity, and orientation. Currently, when technology and software applications reach a high level of performance, in various robotic industrial applications that start from certain concepts, [...] Read more.
This paper deals with an up-to-date topic among robotic industrial applications that require a high degree of speed, rigidity, and orientation. Currently, when technology and software applications reach a high level of performance, in various robotic industrial applications that start from certain concepts, the implementation of efficient structures has proven to be challenging. New structures such as the parallel kinematic machine (PKM) category has proven its efficiency through its structure in terms of high inertia rigidity and high speeds during processes. This paper deals with the subject of PKM-type structures in terms of the optimal design workspace of such a structure. The calculation of the workspace is considered the premise from which it starts in terms of its implementation in a robotic production line. The entire process of calculating the workspace for a given PKM structure is carried out through modern CAD applications that have specific modules in place in this direction. CATIA V5 offers the possibility through the product engineering optimizer module, simulation and calculation of different scenarios aimed at identifying the volume of the workspace for a PKM structure. In the article, we demonstrate the relations between the robot workspace and the design parameters, a method that can also be applied for other parallel structures. The method is useful for robot designers in the optimization of parallel robots with regard to the workspace by using CAD tools. Previous research in the field refers of the usage of CAD tools only for visual representation and not for optimizing the workspace, while this study and test results show that CAD tools are suitable for analyzing and optimizing the robot workspace of the 6DOF parallel robot, due to its easiness in application and fast implementation time. Full article
(This article belongs to the Special Issue Mechatronics System Design in Medical Engineering)
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