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International Conference on Advanced mechatronics, Intelligent Manufacture, and Industrial Automation (ICAMIMIA)

作者： Rika Dwi Hidayatul Qoryah Harus Laksana Guntur Hendro Nurhadi Handri Prastyo Franciscus Xaverius Kristianta Shendy Chandika Graduate Program of Mechanical Engineering Department Institut Teknologi Sepuluh Nopember Surabaya Indonesia Mechanical Engineering Department Institut Teknologi Sepuluh Nopember Surabaya Indonesia Mechanical Engineering Department Center of Excellence for Mechatronics and Industrial Automation Research Center (PUI-PT MIA-RC) Institut Teknologi Sepuluh Nopember Surabaya Indonesia Undergraduate Program Mechanical Engineering Department University of Jember Jember Indonesia Mechanical Engineering Department University of Jember Jember Indonesia

Stroke is the second cause of death and the third cause of disability in the world. Stroke is a disease caused by a clot in the artery that supplies blood to the brain (ischemia). Rehabilitation is a solution to restore the function of parts of the body that have been disturbed by a stroke. Therefore, exoskeleton robots for stroke therapy are one solution to provide good rehabilitation. The exoskeleton robot supports healthy human hand movements and considers the safety and comfort factors during rehabilitation. The exoskeleton in this research uses a cable and sheath transmission mechanism with a locally situated motor as a design mechanism that guarantees safety and comfort. The design strength can be determined using ANSYS static structural assistance software so that the maximum stress in links 1, 2, and 3 is known within safe limits with anthropometric loading. Apart from that, the static structural simulation results show that link 1 can withstand a maximum load of 20 N or more in the X-axis loading, a load of 15 N in the Y-axis loading, and a load of 15 N in the Y-axis loading, and a load of 10 N in the Z-axis loading. Link 2 can withstand a maximum load of 10 N in the X-axis load and 20 N or more in the Y-axis load. Meanwhile, link 3 can withstand a maximum load of 20 N in the X-axis load and below 10 N in the Y-axis load.

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Supression of the Flexural Vibration of the Railway Car Body Floor

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IFAC-PapersOnLine 2021年第2期54卷 153-158页

作者： Asl Soyi Leblebici Semiha Trkay Mechatronics Program Eskisehir Osmangazi University Eskisehir Turkey Electrical and Electronics Engineering Department Eskisehir Technical University Eskisehir Turkey

In this paper, the railway vehicle is modeled by a seventeenth-degrees-of freedom full vehicle model to investigate the elastic vibrations of the railway vehicles’s car body subjected to the excitations from vertical track irregularities. These irregularities are represented by the power spectral density functions which are authenticated for the stochastic real track data collected from the Konya-Polatli railway line in Turkey. The car body floor is modelled as a structure consisting of a plate and its connecting components by introducing artificial springs at the joint points. The model can express the complicated elastic vibrations with fewer degrees of freedom and at a lower computational cost than the detailed finite element model. To suppress the vertical vibration of the flexible-bodied railway vehicle secondary suspension control design based on affine parameter dependent model has been built with a single objective function and the solutions are obtained via H ∞ optimization. The numerical results show that the complicated mode shapes can successfully be expressed analytically and the simulation studies illustrate that the active system is effective in reducing both the flexible and rigid modes of the car body and improving the ride comfort.

关键词： Railway vehicle car body flexural vibration active suspension control H ∞ control riding comfort

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A Methodology for Obtaining and Validating Parameters for Surface Repairs Using the Pulsed Gmaw Process

SSRN

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SSRN 2023年

作者： Muñoz Chávez, Jairo José de Souza Lira, Margareth Nascimento Bestard, Guillermo Alvarez da Cruz Payão Filho, João Alfaro, Sadek Crisostomo Absi Post-Graduation Program in Mechatronics Engineering Department of Mechanical Engineering University of Brasilia CEP 70.910-900 Brazil Federal University of Rio de Janeiro Department of Metallurgical and Materials Engineering National Laboratory of Welding Technology Rio de Janeiro RJ Ilha do FundãoCEP 21941-972 Brazil

This study aims to develop a methodology for obtaining and validating surface parameters using the pulsed GMAW process, capable of producing a weld with appropriate geometric properties as a response. For this purpose, profiling was used as a capture tool together with stability analysis algorithms and metallic transfer criteria. The Fast Fourier Transform was used to analyze the intensity of electric current and voltage oscillogram for the delimitation of the most efficient pulse, detachment characteristics, and drop frequency in each analyzed parameter. In parallel, mathematical modelling of the overlapping of welding beads and volume filling simulation was carried out to obtain a repair methodology of satisfactory quality. Such strategies defined a working window with a voltage between 22 V and 28 V and an intensity of electric current between 190 A and 220 A. For the analyzed material, the best response values were at the base intensity of electric current of 80 A, base time of 1.47 ms, drop separator intensity of electric current of 110 A, drop separator time of 0.5 ms, the peak intensity of electric current of 375 A and peak time of 2.2 ms, corresponding to a working frequency of 240 Hz. With this work methodology, using signal analysis and profiling filming, it is possible to adapt the choice of process parameters to any material with energy and cost savings. These techniques are highly efficient and low-cost. In addition, the GMAW-P transfer mode allows quality work with the intensity of electric current values lower than conventional GMAW. © 2023, The Authors. All rights reserved.

关键词： Drops

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Correlation between Composition and Work Function Through Kelvin Probe Force Microscopy – Pure Magnesium Single Crystals

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SSRN 2023年

作者： Türe, Yiğit Kaya, Ali Arslan Shin, Kwang Seon Turan, Servet Eskisehir Technical University Porsuk Vocational School Electronics and Automation Department Program of Mechatronics Eskisehir Turkey Mugla Sıtkı Kocman University Engineering Faculty Metallurgy and Materials Engineering Department Mugla Turkey Seoul National University Materials Science and Engineering Department Seoul Korea Republic of Eskisehir Technical University Engineering Faculty Materials Science and Engineering Department Eskisehir Turkey

The aim of this work was to investigate the feasibility of observing the effect of impurities in pure magnesium (Mg) on the work function (WF) measurements by using Kelvin Probe Force Microscopy (KPFM). In essence, the pure Mg samples used in this study can be regarded as extremely dilute solid solutions of Mg with some impurity atoms. This investigation further considers the measured WF differences within a crystal as figures that are directly affected by the free electron density distribution, which essentially refers to the nature of the interatomic bonding. A corollary of this view is that stacking fault energy (SFE) changes in a solid solution system can also be revealed via KPFM measurements, as SFE also depends on the free electron density distribution. Since the atomic density would affect the WF and SFE levels, the crystal orientations of the single crystal Mg samples had to be determined via electron diffraction patterns obtained via TEM. It has been shown that WF differences as measured via KPFM, offer a technique that can be at least qualitatively correlated with the interatomic bond strength levels, and therefore be also interpreted as an indicator of SFE levels. This practical measurement approach appears to be a reliable way of understanding the effect of individual elemental changes in multi-element solid-solution systems which currently do not lend themselves to computational techniques due to the number of elements involved. It should be borne in mind that the computed SFE values in the literature are not treated as absolute values but rather become useful when assessing the properties of alloys at a fundamental level, i.e., free electron density distributions. Therefore, it seems possible to use the principles of ‘electronic metallurgy’ in developing multi-element alloy systems. © 2023, The Authors. All rights reserved.

关键词： Single crystals

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IoT-based Wireless Sensor Networks for Monitoring Drinking Water Treatment Plants

IoT-based Wireless Sensor Networks for Monitoring Drinking W...

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International Workshop on Secure Internet of Things (SIoT)

作者： Luiz Octávio Martini Lima Lucas Carvalho Goncalves Gustavo Campos Menezes Lucas Silva de Oliveira Gleb Wataghin Institute of Physics UNICAMP Campinas SP Brazil Master Degree Program in Automation and Systems CEFET-MG Leopoldina MG Brazil Department of Electronics and Computing CEFET-MG Contagem MG Brazil Department of Mechatronics Engineering CEFET-MG Divinópolis MG Brazil

ISBN: (数字)9798331507466

ISBN: (纸本)9798331507473

The increasing need for efficient monitoring of parameters in challenging industrial environments, such as basic sanitation, has led to the search for integrated and user-friendly solutions that can address specific challenges of this setting. This project aims to develop a solution to meet monitoring requirements in water treatment plants. The proposed solution involves the development of both hardware and software for collecting data from the water treatment process using sensors and transmitting this information to a server structure, database, and communication interface with the cloud-based user. The effectiveness of the proposed device is being evaluated in six water treatment units located in the states of Alagoas, Mato Grosso, Paraná, Rio de Janeiro, and São Paulo. Preliminary results indicate that the proposed solution is capable of monitoring the variables involved in the water flocculation stage and generating a comprehensive set of information about the process over time.

关键词： Cloud computing Chemical sensors Wireless sensor networks User interfaces Hardware Software Sensors Social Internet of Things Servers Monitoring

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DeepCat: A Deep Learning Approach to Understand Your Cat's Body Language

DeepCat: A Deep Learning Approach to Understand Your Cat's B...

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Electronics, Communications, and Computations (JAC-ECC), International Japan-Africa Conference on

作者： Arwa Fawzy Ahmed Hassan Ahmed Gad Ahmed B. Zaky Haitham El-Hussieny Computer Science and Information Technology (CSIT) program Egypt-Japan University of Science and Technology Alexandria Egypt Department of Computer Science Engineering (CSE) Egypt-Japan University of Science and Technology Alexandria Egypt Electrical Engineering Department Faculty of Engineering at Shoubra Benha University Egypt Department of Mechatronics and Robotics Engineering Egypt-Japan University of Science and Technology Alexandria Egypt

Pet owners experience difficulty in understanding their pets' body language and its implications for animal welfare, given that animals cannot utilize human speech to communicate their emotions and health conditions. However, previous experiments for analyzing cat behavior have demonstrated that cats are precisely expressive. DeepCat, a deep-learning approach developed in this study, translates cats' body language signals, enabling owners to discern their feline companions' intended messages and emotional states. Our DeepCat model was trained on a dataset comprising 10,000 cat images, implementing automatic labeling to track key features, including the tail, eyes, and mouth. Presented as a Flutter application, DeepCat can function everywhere, allowing owners to easily monitor their cats and make informed decisions in situations that require caution. This paper discusses the potential benefits and limitations of DeepCat and provides suggestions for future research in this domain.

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Analysis on Predictive Water Temperature with PID Controller and SCADA System

Analysis on Predictive Water Temperature with PID Controller...

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2021 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2021

作者： Tu, Wen-Fu Wang, Yi-Shun Chen, Tu-Sheng National Kaohsiung University of Science and Technology Marit Mechatronics Engineering Lab Department of Marine Engineering Kaohsiung Taiwan National Kaohsiung University of Science and Technology Ph.D. Program In Maritime Science and Technology College of Maritime Kaohsiung Taiwan

ISBN: (纸本)9781665419512

Marine diesel engine start-up goes through the following speed stages: dead slow, slow, half, and full. The jacket water should be heated initially to prevent the cylinder from cracking due to excessive temperature difference. In this paper, PID temperature controller and SCADA system are used to heat the jacket water. Experimental tests have been evaluated to improve closed loop response with PID temperature controller and SCADA system. The heating mode calls the appropriate PID controller according to the design temperature to compare the actual temperature at different stages. The experimental results show that the PID controller converges the temperature well between 35and 80, the optimal PID parameter are P=3, I=198, D=495 with the auto tune function and the max. power supply current I=8.8A, voltage V=110V. © 2021 IEEE.

关键词： Three term control systems

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A Genetic Algorithm for Scheduling Laboratory Rooms: A Case Study 5th

A Genetic Algorithm for Scheduling Laboratory Rooms: A Case...

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5th International Conference on Applied Informatics, ICAI 2022

作者： Fuenmayor, Rafael Larrea, Martín Moncayo, Mario Moya, Esteban Trujillo, Sebastián Terneus, Juan-Diego Guachi, Robinson Peluffo-Ordoñez, Diego H. Guachi-Guachi, Lorena Department of Mechatronics Universidad Internacional Del Ecuador Av. Simon Bolivar Quito170411 Ecuador Research Program Mohammed VI Polytechnic University Lot 660 Hay Moulay Rachid Ben Guerir Ben Guerir43150 Morocco Ben Guerir47963 Morocco Faculty of Engineering Corporación Universitaria Autónoma de Nariño Pasto520001 Colombia

ISBN: (纸本)9783031196461

Genetic algorithms (GAs) are a great tool for solving optimization problems. Their characteristics and different components based on the principles of biological evolution make these algorithms very robust and efficient in this type of problem. Many research works have presented dedicated solutions to schedule or resource optimization problems in different areas and project types;most of them have adopted GA implementation to find an individual that represents the best solution. Under this conception, in this work, we present a GA with a controlled mutation operator aiming at maintaining a trade-off between diversity and survival of the best individuals of each generation. This modification is supported by an improvement in terms of convergence time, efficiency of the results and the fulfillment of the constraints (of 29%, 14.98% and 23.33% respectively, compared with state-of-the-art GA with a single random mutation operator) to solve the problem of schedule optimization in the use of three laboratory rooms of the mechatronics engineering Career of the International University of Ecuador. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Genetic algorithms

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Intelligent sensors based on amorphous nanostructures according to achieve an optimal waste collection in Lima Peru

Intelligent sensors based on amorphous nanostructures accord...

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IEEE Conference on Industrial Electronics and Applications (ICIEA)

作者： J. Alan Calderón Ch. E. Benjamín Barriga G. Julio C. Tafur Alan Ccarita John Lozano Rodrigo Urbizagástegui Applied Nanophysics Institute for Physics Technical University of Ilmenau Ilmenau Germany Engineering Department Mechatronics Engineering Master Program Pontificia Universidad Católica del Perú Perú Engineering Department Mechanical Engineering Master Program Pontificia Universidad Católica del Perú Perú Engineering Department Control Engineering and Automation Master Program Mechatronic Engineering Master Program Pontificia Universidad Católica del Perú Perú Northen (Artic) Federal University Named After MV Lomonosov Arkhangelsk Russian Federation Engineering Department Engineering Electronic Section Pontificia Universidad Católica del Perú Perú

ISBN: (纸本)9781665409858

An optimal waste collection is a very complicated task in different countries. However, this task is more intricate, when there is not an organized procedure between people, government and technology. In this research it was studied and proposed strategies, to optimize the waste collection by technical suggestions, that were based on mathematical analysis and new technologies applications of sensors based on nanostructures due to this kind of sensors have good performance to measure physical variables in not simple places and conditions, such as around waste. Hence the reason, this work is prepared to contribute in the development of sensors based on nanostructures according to detect the physical variables: temperature, humidity, infrared reflection, moreover carbon dioxide (CO2) and methane (CH4) gases, which help to monitor the consequences of a not correct waste *** dependence on central and local government rules of waste management, it could be possible to find solution about organized waste collection, in which every family and walkers in streets would have the task to select the organic and inorganic garbage before the government trucks take the contents of the garbage trash cans to the landfill garbage dumps. However, many times the trash cans are not taken on time by the government trucks and garbage from them are producing gases and decomposition that causes contamination that damages health. Therefore, in this work there are proposed designed intelligent sensors, which are fixed in the trash cans due to measure physical parameters to give alarm for administrators controllers of boxes and to enhance the garbage selections from homes and streets to the main garbage landfills of the city. In other side, there will not be right solution in the waste collection, no matter the high advantage technologies, while humans could not be sensitive under this problematic. There are cleaned areas in cities, as for example touristic places, nevertheless, there

关键词： Temperature sensors Temperature measurement Waste management Gases Temperature dependence Urban areas Nanostructures

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Microengineered platforms for characterizing the contractile function of in vitro cardiac models

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Microsystems & Nanoengineering 2022年第1期8卷 29-50页

作者： Wenkun Dou Manpreet Malhi Qili Zhao Li Wang Zongjie Huang Junhui Law Na Liu Craig A.Simmons Jason T.Maynes Yu Sun Department of Mechanical and Industrial Engineering University of TorontoTorontoON M5S 3G8Canada Program in Molecular Medicine The Hospital for Sick ChildrenTorontoON M5G 1X8Canada Department of Biochemistry University of TorontoTorontoON M5S 1A8Canada Institute of Robotics and Automatic Information System and the Tianjin Key Laboratory of Intelligent Robotics Nankai UniversityTianjin 300350China School of Mechanical&Automotive Engineering Qilu University of Technology(Shandong Academy of Sciences)Jinan 250353China School of Mechatronics Engineering and Automation Shanghai UniversityShanghai 200444China Institute of Biomedical Engineering University of TorontoTorontoON M5S 3G9Canada Translational Biology&Engineering Program Ted Rogers Centre for Heart ResearchTorontoON M5G 1M1Canada Department of Anesthesiology and Pain Medicine University of TorontoTorontoON M5S 1A8Canada Department of Anesthesia and Pain Medicine The Hospital for Sick ChildrenTorontoON M5G 1X8Canada Department of Electrical and Computer Engineering University of TorontoTorontoON M5S 3G4Canada Department of Computer Science University of TorontoTorontoON M5T 3A1Canada

Emerging heart-on-a-chip platforms are promising approaches to establish cardiac cell/tissue models in vitro for research on cardiac physiology,disease modeling and drug cardiotoxicity as well as for therapeutic *** still exist in obtaining the complete capability of in situ sensing to fully evaluate the complex functional properties of cardiac cell/tissue *** to contractile strength(contractility)and beating regularity(rhythm)are particularly important to generate accurate,predictive *** new platforms and technologies to assess the contractile functions of in vitro cardiac models is essential to provide information on cell/tissue physiologies,drug-induced inotropic responses,and the mechanisms of cardiac *** this review,we discuss recent advances in biosensing platforms for the measurement of contractile functions of in vitro cardiac models,including single cardiomyocytes,2D monolayers of cardiomyocytes,and 3D cardiac *** characteristics and performance of current platforms are reviewed in terms of sensing principles,measured parameters,performance,cell sources,cell/tissue model configurations,advantages,and *** addition,we highlight applications of these platforms and relevant discoveries in fundamental investigations,drug testing,and disease ***,challenges and future outlooks of heart-on-a-chip platforms for in vitro measurement of cardiac functional properties are discussed.

关键词： cardiac contractile regularity

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