Dong-Hwan Park

ORCID: 0000-0003-1016-479X
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Metal Forming Simulation Techniques
  • Metallurgy and Material Forming
  • Advanced Welding Techniques Analysis
  • Welding Techniques and Residual Stresses
  • IoT and Edge/Fog Computing
  • Context-Aware Activity Recognition Systems
  • Real-Time Systems Scheduling
  • Advanced DC-DC Converters
  • Microgrid Control and Optimization
  • Energy Efficient Wireless Sensor Networks
  • Aluminum Alloys Composites Properties
  • Robotics and Automated Systems
  • Embedded Systems Design Techniques
  • Autonomous Vehicle Technology and Safety
  • Engineering Applied Research
  • Multilevel Inverters and Converters
  • Fatigue and fracture mechanics
  • Laser and Thermal Forming Techniques
  • IoT-based Smart Home Systems
  • Microstructure and Mechanical Properties of Steels
  • Educational Research and Pedagogy
  • Network Time Synchronization Technologies
  • Privacy-Preserving Technologies in Data
  • Manufacturing Process and Optimization
  • Nuclear reactor physics and engineering

Gyeongsang National University
2025

Electronics and Telecommunications Research Institute
2012-2025

Korea Electronics Technology Institute
2023

Hanyang University
2015-2022

Yonsei University
2018-2019

Korea Automotive Technology Institute
2019

Korea Electric Power Corporation (South Korea)
2009-2018

Korea Hydro and Nuclear Power (Korea)
2018

University of Ulsan
2009-2015

Chungnam National University
2015

10.1016/s1003-6326(10)60239-7 article EN Transactions of Nonferrous Metals Society of China 2009-09-01

Real-Time Internet of Things (RT-IoT) is a newer technology paradigm envisioned as global inter-networking devices and physical things enabling real-time communication over the Internet. The research in Edge Computing 5G making way for realisation future IoT applications. In RT-IoT tasks will be performed remotely controlling automating various jobs therefore, missing their deadline may lead to hazardous situations many cases. For instance, case safety-critical mission-critical systems,...

10.3390/su11010204 article EN Sustainability 2019-01-03

This paper focuses on how technologies contributes to improving interoperability between IoT devices, and making easily use of devices. The proposed platform technology provides semantic-based information services, semantic service can be applicable a lot services: collecting invisible in real environment by smart providing life services sharing, participating, distributing open sensing information.

10.1109/wf-iot.2014.6803125 article EN 2014-03-01

Embedded devices are gaining popularity day by due to the expanded use of Internet Things applications. However, these embedded have limited capabilities concerning power and memory. Thus, applications need be tailored in such a way perform specified tasks within constrained resources with same accuracy. In Real-Time task scheduling, one challenging factors is intelligent modelling input that it produces not only logically correct output deadline but also consumes minimum CPU power....

10.3390/pr6070090 article EN Processes 2018-07-17

In this study, a novel variable switching frequency pulse width modulation (VSFPWM) strategy is proposed to achieve improved electric vehicle inverter efficiency. The silicon carbide (SiC) MOSFET has excellent characteristics, thus enabling control with high frequency. can reduce the voltage ripples in DC-link capacitors, which enables their use at reduced capacitance. typically set level that within limits of ripple maximum output region. Given same applied entire operating region, there...

10.1109/access.2022.3152779 article EN cc-by IEEE Access 2022-01-01

Available space in congested cities is getting scarce due to growing urbanization the recent past. The utilization of underground considered as a solution limited smart cities. numbers facilities are day by developing world. Typical include transit subway, parking lots, electric lines, water supply and sewer lines. likelihood occurrence accidents random phenomenon. To avoid any accidental loss, risk assessment method required conduct continuous report abnormality before it happens. In this...

10.3390/app7101037 article EN cc-by Applied Sciences 2017-10-11

Computation offloading enables intensive computational tasks in edge computing to be separated into multiple resources of the server overcome hardware limitations. Deep learning derives inference approach based on with a volume data using sufficient resource. However, deploying domain-specific approaches provides intelligent services close networks. In this paper, we propose by providing dynamic for building environment control. The is provided rules engine that deployed gateway select an...

10.3390/s21020630 article EN cc-by Sensors 2021-01-18

This paper focuses on how technologies contribute to making our daily life be more convenient. A lot of people buy coffee from vending machines without knowing clean they are. To know the cleaning status them, we develop a sensor and actuator network install it inside machine. The monitors indoor environment machine adjusts taste according personal preference customer. customer uses smartphone see environmental data as well control amount coffee, sugar, powered creamer which are mixed into...

10.1109/icce.2014.6775913 article EN 2023 IEEE International Conference on Consumer Electronics (ICCE) 2014-01-01

10.1007/s12541-015-0278-8 article EN International Journal of Precision Engineering and Manufacturing 2015-08-28

Automobile assembly workers repeatedly place burdens on their lumbar regions, which can lead to mechanical chronic low back pain.This study aimed compare the effects of stabilization exercises performed a stable or unstable surface pain, muscle strength, stability, disability, and depression in patients with pain.Twenty-four were randomly allocated group (n = 12 each). Both groups each exercise for 30 minutes daily five times per week 6 weeks. Lumbar assessed before after intervention.After...

10.3233/wor-182743 article EN Work 2018-07-17

10.1007/s40684-016-0023-5 article EN International Journal of Precision Engineering and Manufacturing-Green Technology 2016-04-01

The purpose of this study is to establish the predictive method angular distortion caused by line heating process with high frequency induction heating. In order do it, heat input model for system was established through comparing temperature evaluation results obtained both FEA and experiment. critical conditions prevent degradation work piece various thicknesses were identified microstructure test results. Under conditions, extensive tests performed. According results, it found that...

10.5781/jwj.2015.33.1.80 article EN Journal of Welding and Joining 2015-02-28

This paper aims to ensure describe the a spring-back prevention technique for improving shape fixability by using an ultra-high strength steel sheet with 980 MPa develop lightweight seat rail parts. Ultra-high gives potential considerable weight reduction and cost-effective way produce energy efficient vehicles. The influence of parts on in forming processes was investigated be solved adjustment appropriate tool design process parameters. computed results were good agreement experimental results.

10.14775/ksmpe.2016.15.5.137 article EN Journal of the Korean Society of Manufacturing Process Engineers 2016-10-25

The sensitivity of parameters related with reactor physics on the source terms decommissioning wastes from a CANDU was investigated in order to find viable, simplified burned core model Monte Carlo simulation for waste characterization. First, study performed level nuclide consideration an irradiated fuel and implicit geometry modeling, effects side structural components core, supporters reactive devices. overall computation memory, calculation time, accuracy were then full-core model. From...

10.1080/18811248.2011.9711695 article EN Journal of Nuclear Science and Technology 2011-02-01

Electric-vehicle technology is an emerging area offering several benefits such as economy due to low running costs. Electric vehicles can also help significantly reduce CO 2 emission, which a vital factor for environmental pollution. Modern are equipped with driver-assistance systems that facilitate drivers by offloading some of the tasks driver does while driving. Human beings prone errors. Therefore, accidents and fatalities happen if fails perform particular task within deadline. In...

10.3390/s19214761 article EN cc-by Sensors 2019-11-02

This paper proposes a DSM-CC carousel caching and management architecture that can support both priority-based scheduling of monitoring threads objects for quick launch download Xlet. The are broadcast cyclically by the transmission policy. Lack object reception may cause performance deterioration. data broadcasting middleware should guarantee real-time characteristics such as processing time in periodic to detect change information without long latency time. Therefore this proposed could...

10.1109/tce.2006.1605039 article EN IEEE Transactions on Consumer Electronics 2006-02-01

This paper proposes an open software platform architecture to provide semantic information collected from various sensor networks and sensing devices. Semantically expressed metadata of devices can improve reusability data, therefore general consumers as well the restricted user observe, monitor analyze values pre-installed

10.1109/ictc.2012.6386767 article EN 2012-10-01

The purpose of this study is to evaluate the residual stresses at multi-pass FCA weldment using finite element analysis (FEA). In order do it, an H-type specimen was selected as a test specimen. variable used in-plane restraint intensity. temperature distribution butt evaluated in accordance with relevant guidance recommended by KWJS. effective conductivity for weld metal corresponding each welding pass introduced control maximum below vaporization metal. heat flux caused arc assumed be...

10.5781/kwjs.2010.28.4.026 article EN Journal of Welding and Joining 2010-08-31
Coming Soon ...