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31st International Conference on Computers in Education (ICCE)

作者： Muangsuk, Pakorn Howimanporn, Suppachai Chookaew, Sasithorn King Mongkuts Univ Technol North Bangkok Fac Tech Educ Dept Teacher Training Mech Engn Bangkok Thailand Ayutthaya Tech Coll Phra Nakhon Si Ayutthaya Thailand

ISBN: (纸本)9786269689026

Machine vision is even more critical for sorting workpieces in quality control of automated production systems for Industry 4.0. Use the image processing system principle to inspect the workpiece with a high-speed vision sensor camera. It results in high accuracy of sorting performance and can replace labor in automated production processes. The learning process of vision sensors used for inspecting workpieces with industrial cameras for mechatronics and robotics engineering students is concerned. Most barriers need more teaching materials due to the relatively high cost of the training kit. That is causing students' lack of knowledge and practical skills during the professional training experience in the workplace. This study proposed designing a sorting system using a machine vision (SSMV) training kit for mechatronics and robotics engineering students. It can be a learning tool to promote the students' learning in related fields, automated manufacturing systems, and engineering education.

关键词： Machine Vision Industry 4.0 engineering education

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Workshop on Unified Curriculum and Course Design for mechatronics and Robotics engineering

Workshop on Unified Curriculum and Course Design for Mechatr...

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2023 ASEE Annual Conference and Exposition - The Harbor of engineering: Education for 130 Years, ASEE 2023

作者： Lewin, Gregory C. Li, Rui Berry, Carlotta A. Mynderse, James A. Kapila, Vikram Gennert, Michael A. Worcester Polytechnic Institute United States New York University United States Rose-Hulman Institute of Technology United States Lawrence Technological University United States

With the increasing demand for cross-disciplinary technical and professional skill sets in the engineering workforce, mechatronics and Robotics engineering (MRE) is quickly emerging as its own engineering discipline. However, developing and implementing MRE courses and curricula is challenging for many potential MRE educators because there are no standardized course structures, curricula, hardware and software platforms, or course materials. To address these challenges, a multi-institutional, multidisciplinary team conducted several workshops starting in 2018 to provide support for curriculum development in MRE and to create a vibrant community of college instructors interested in MRE. Ranging from a half-day to two days, the workshops provided guidance and perspectives from leaders in MRE education. Based on participant feedback from these workshops and our goal for greater impact, we planned and delivered a more intensive three-day, virtual, yet hands-on workshop in the Spring of 2022. The objectives of the workshop were to: 1) prepare current and future MRE educators to create and teach courses, 2) familiarize MRE educators with advances in undergraduate MRE education, 3) help unify and standardize MRE curricula and courses, 4) pave the way toward accreditation for MRE degree programs, 5) generate enthusiasm and a sense of community among MRE educators, and 6) promote diversity and inclusion within the MRE community. Notably, this workshop differed from previous ones by embedding a significant hands-on experiential learning component, which provided sample laboratory assignments and projects that could form the foundations of introductory and advanced courses in MRE. Remote assistance was provided by workshop leaders and student assistants. Participants actively engaged in many activities, including doing "homework" every evening. A post-workshop survey revealed that participants overwhelmingly felt that the workshop met their expectations and that they were bett

关键词： Curricula

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Workshops for building the mechatronics and robotics engineering education community

Workshops for building the mechatronics and robotics enginee...

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2020 ASEE Virtual Annual Conference, ASEE 2020

作者： Gennert, Michael A. Lotfi, Nima Mynderse, James A. Jethwani, Monique Kapila, Vikram Worcester Polytechnic Institute United States Southern Illinois University Edwardsville United States Lawrence Technological University United States Columbia School of Social Work United States New York University Tandon School of Engineering United States

Intelligent Autonomous Systems, including Intelligent Manufacturing & Automation and Industry 4.0, have immense potential to improve human health, safety, and welfare. engineering these systems requires an interdisciplinary knowledge of mechanical, electrical, computer, software, and systems engineering throughout the design and development process. mechatronics and Robotics engineering (MRE) is emerging as a discipline that can provide the broad inter-disciplinary technical and professional skill sets that are critical to fulfill the research and development needs for these advanced systems. Despite experiencing tremendous, dynamic growth, MRE lacks a settled-on and agreed-upon body-of-knowledge, leading to unmet needs for standardized curricula, courses, laboratory platforms, and accreditation criteria, resulting in missed career opportunities for individuals and missed economic opportunities for industry. There have been many educational efforts around MRE, including courses, minors, and degree programs, but they have not been well integrated or widely adopted, especially in USA. To enable MRE to coalesce as a distinct and identifiable engineering field, the authors conducted four workshops on the Future of mechatronics and Robotics engineering (FoMRE) education at the bachelor's degree level. The overall goal of the workshops was to improve the quality of undergraduate MRE education and to ease the adoption of teaching materials to prepare graduates with a blend of theoretical knowledge and practical hands-on skills. To realize this goal, the specific objectives were to generate enthusiasm and a sense of community among current and future MRE educators, promote diversity and inclusivity within the MRE community, identify thought leaders, and seek feedback from the community to serve as a foundation for future activities. The workshops were intended to benefit a wide range of participants including educators currently teaching or developing programs in MRE, PhD s

关键词： Curricula

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Influence of Obliquely Spiral Jet Impingement on Flow and Heat Transfer Characteristics of Flat Surface

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HEAT TRANSFER engineering 2025年

作者： Kaewchoothong, Natthaporn Prince Songkla Univ Fac Engn Dept Mech & Mechatron Engn Hat Yai Thailand Prince Songkla Univ Fac Engn PSU EV Dev Ctr Hat Yai Thailand

The comprehensive flow and heat transfer behaviors of obliquely spiral jet impingement on the flat surface were numerically explored. This study involved three-dimensional simulations of obliquely spiral impinging jets for the jet-to-target spacing of 2, using the finite-volume solver ANSYS Fluent to explore near-wall fluid dynamics. The simulations varied jet angles from 45 degrees to 90 degrees and Reynolds numbers from 5000 to 30000. The results showed that the spiral pipe consistently demonstrated better flow uniformity, heat transfer, and wall shear stress distribution than the conventional round pipe, particularly at high jet angles. The swirling flow effect in the spiral pipe enhanced the heat transfer rate, especially in the uphill regions, leading to higher Nusselt number values, with up to 43.9% improvement over the conventional round pipe. The overall heat transfer efficiency increased with both jet angle and Reynolds number.

关键词： Reynolds number

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Numerical Study on Flow Field and Heat Transfer Enhancement in a Cooling Channel With Novel Ribs Based on Battery Thermal Management System

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HEAT TRANSFER engineering 2025年第8期46卷 677-692页

作者： Kaewchoothong, Natthaporn Nuntadusit, Chayut Gonsrang, Sarawut Luengchavanon, Montri Chatpun, Surapong Prince Songkla Univ Dept Mech & Mechatron Engn Hat Yai Thailand Prince Songkla Univ Fac Environm Management Hat Yai Thailand Prince Songkla Univ Dept Biomed Sci & Biomed Engn Hat Yai Thailand Prince Songkla Univ Fac Engn Dept Mech & Mechatron Engn Hat Yai 90110 Thailand

Turbulent flow and heat transfer characteristics in a cooling channel with novel ribs have been numerically studied to improve thermal efficiency inside future electric vehicle batteries. In this study, the essential ratios of channel length, rib height, and rib pitch were all set to 6.67, 0.13, and 8.66, respectively. The realizable turbulent kinetic energy - epsilon model was used for the numerical simulation work under the Reynolds number varied from 10,000 to 50,000. The results showed that the heat transfer enhancement on a surface depended on the secondary flows due to the ribs. The enhancement of the wavy-winglet rib was approximately 9.8%-32% compared to other rib cases. Nevertheless, the improved heat transfer came at the expense of a higher pressure penalty. Above 29.7% of the friction factor for the wavy-winglet rib was obtained, compared to orthogonal ribs. In addition, the wavy-winglet rib gave the best thermal-hydraulic performance of the designs explored.

关键词： Kinetics

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Self Path Trajectory Sensing Analysis by Luggage Carrying Bot (Labo) Using Box-Statistics Path Predictor

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SENSING AND IMAGING 2025年第1期26卷 1-22页

作者： Priyanka, E. B. Thangavel, S. Surendran, T. Kongu Engn Coll Dept Mechatron Engn Erode India

The advent of automation in transportation technology plays a crucial role in revolutionizing modern logistics systems. This research focuses on the design, modeling, and performance analysis of a LuggAge Carrying BoT (LABO) that combines kinematic modeling and statistical data analysis to predict path trajectories. The LABO system incorporates an advanced adjoint transformation model, distinct from conventional Point of Entry formula models, to establish precise path calibration and compensate for load-induced deviations. In autonomous mode, a BOX-Ljung statistical model predicts path trajectories by analyzing speed, payload, and positional data. Experimentally, LABO demonstrated optimal performance, carrying a payload of up to 14 kg at a maximum speed of 0.24 m/s on rough surfaces. The motor driver configuration was tested under varying loads, showing a decline in speed from 0.3 m/s at 2 kg payload to 0.25 m/s at 12 kg payload. Kinematic analysis was performed using a serial configuration with a 20-degree-of-freedom model, yielding a 0.27% improvement in path precision when compared to Denavit-Hartenberg models. The proposed LABO system offers a reliable, user-friendly, and cost-effective solution for transporting heavy luggage, significantly reducing the physical burden on elderly or disabled individuals, while the BOX-Ljung model ensures precise path prediction for improved autonomous navigation.

关键词： LABO Path predictor Autonomous vehicle

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Flow and Heat Transfer Characteristics of Swirling Impinging Micro-Slot Jets by Adopting Circular Ribs in the Wall Jet Region

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HEAT TRANSFER engineering 2024年

作者： Kaewchoothong, Natthaporn Nuntadusit, Chayut Prince Songkla Univ Fac Engn Dept Mech & Mechatron Engn Hat Yai 90110 Thailand Prince Songkla Univ Fac Engn PSU EV Dev Ctr Hat Yai Thailand

The flow and heat transfer behaviors of swirling impinging micro-slot jets using circular ribs in the wall jet region have been numerically studied. In this study, the total spiraling length was defined as 290 mm due to the two complete revolutions of the helix generated at a slot nozzle thickness of 1.0 mm. The range of circular rib radius ratios varied from 1 to 4 under the jet-to-target spacing ratio at 2 and 4. Predictions were made using the turbulent kinetic energy-epsilon model at Reynolds numbers ranging from 5000 to 20000. The results showed that the heat transfer enhancement on the target wall depended on the circular rib radius ratios. The jet flow at a low circular rib radius ratio generated recirculating ambient fluid behind the rib zone and a minuscule vortex within a circular rib region. At a high ratio, the jet's potential flow directly affected the top rib surface and generated secondary flows in the circular rib. The heat transfer rate tended to increase as the Reynolds number increased. The average heat transfer value at a circular rib radius ratio of 3 became the best, up to 18.1% for jet-to-target spacing of 2. Whereas above 14.8% average value at a circular rib radius ratio of 1 in the case of jet-to-target spacing of 4 gained the highest.

关键词： Reynolds number

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Flow and Heat Transfer in Ribbed Swirl Tubes with a Tangential Inlet Jet for Gas Turbine Blade Leading Edge Cooling

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HEAT TRANSFER engineering 2025年

作者： Kaewchoothong, Natthaporn Gonsrang, Sarawut Cheputeh, Ni-Asri Prince Songkla Univ Fac Engn Dept Mech & Mechatron Engn Hat Yai 90110 Thailand

The heat transfer and flow structure behaviors in ribbed swirl tubes with a single tangential inlet jet were widely predicted to be applicable for cooling the leading edge of the gas turbine blade. This study tested two cross-sectional areas under the same length of 500 mm. The essential ratios of rib height and pitch were all set to 0.376 and 10. The ribbed angles of attack were 60 degrees and 90 degrees. The realizable turbulent kinetic energy - epsilon model was adopted for the computational study under the Reynolds number varying from 5000 to 30,000. The results demonstrated axial backflow in the middle of the tube and substantial axial flow in the near wall region. While the longitudinal vortex developed in the case of 60 degrees ribs, significant vortex flow at the tube center, accelerated by the ribs and cross-sectional area, appeared in the case of 90 degrees ribs. In all cases, there was an increase in the heat transfer rate as the Reynolds number rose, and the 90 degrees ribs experienced a pressure penalty greater than 37.4%. In addition, the thermal performance in the Type (A) 90 degrees rib case was approximately 21.2% higher than that of the 60 degrees rib case.

关键词： Reynolds number

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Assessment of the performance of the electrical discharge face grinding process with powder mixed dielectric

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SADHANA-ACADEMY PROCEEDINGS IN engineering SCIENCES 2024年第4期49卷 1-14页

作者： Kulshrestha, Akshat Srivastava Kalos, Pritam Unune, Deepak Rajendra Dargar, Ashok Kumar LNM Inst Informat Technol Dept Mech Mechatron Engn Jaipur 302031 India Suresh Gyan Vihar Univ GVSET Mech Engn Jaipur 302017 Rajasthan India MIT Acad Engn Sch Mech Engn Pune 412105 Maharashtra India

The purpose of this current research is to perform the powder mix electrical discharge diamond face grinding (PM-EDDFG) process for the machining of Monel 400. In this study, using the central composite design (CCD) approach of experimental design, the effects of powder concentration (Pc), diamond grit number (Nd), peak current (Ip), and grinding wheel speed (GWS), and input process parameters on material removal rate (MRR) and average surface roughness (Ra) were experimentally examined. Nd and Pc significantly affected the response variables, as shown by the analysis of variance (ANOVA). Additionally, a multi-objective genetic algorithm (GA) optimization approach was also employed to determine the optimal PM-EDDFG process parameters. Field emission scanning Electron Microscopy (FESEM) was utilized to analyze the surface morphology of the machined surface after the confirmatory experiments. The FESEM images indicated that adding multi-walled carbon nanotubes (MWCNT), powder led to a better surface finish by preventing diamond wheel clogging.

关键词： Electrical discharge diamond face grinding powder mixed EDDG multiwalled carbon nanotubes surface morphology

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An Open-Source Multi-Robot Framework System for Collaborative Environments Based on ROS2

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IEEE ACCESS 2025年 13卷 16288-16302页

作者： Yumbla, Francisco Fajardo-Pruna, Marcelo Piguave, Anthonny Ronquillo, Diego Ortiz, Ricardo Choi, Jongseong Brad Diaz, Gabriel Paneda, Xabiel G. Moon, Hyungpil Escuela Super Politecn Litoral Espol Fac Ingn Mecan & Ciencias Prod Campus Gustavo Galindo Guayaquil 090902 Ecuador State Univ New York SUNY Korea Dept Mech Engn Incheon 21985 South Korea SUNY Stony Brook Stony Brook Univ Dept Mech Engn Stony Brook NY 11794 USA Spanish Univ Distance Educ UNED Elect Elect & Control Engn Dept Madrid 28040 Spain Univ Oviedo Dept Informat Ingn Telemat Oviedo 33007 Spain Sungkyunkwan Univ Dept Mech Engn Suwon 16419 Gyeonggi Do South Korea

Despite the rise of robotics and automation in industrial applications, the widespread adoption of collaborative robotics still needs to be improved due to the lack of interoperability between robots and the low adaptability of existing systems. Solving this problem would mean a significant advance in robotics and industrial automation. Under this context, an open-source MultiRobot Framework based on ROS2 was developed in the present research to effectively communicate and coordinate robotics agents and sensors in closed collaborative environments. A simulation-based control and software design was performed using the GAZEBO tool. A centralized architecture was obtained with an autonomous navigation module for the planning and robot routes monitoring, a computer vision module for the location and management of uncertainties, and a task controller module to assign mobilization mission objects. In conclusion, using ROS2 to communicate and coordinate various mechatronic systems effectively results in a robust, flexible, and scalable solution critical to industrial processes.

关键词： Robots Robot kinematics Robot sensing systems Sensors Cameras Robot vision systems Navigation Collaboration Computer vision Service robots Collaborative robotics interoperability artificial vision autonomous navigation scalability

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