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Two-Dimensional Inductive Power Transfer System for Mobile Robots Using Evenly Displaced Multiple Pickups

Changbyung Park, Sungwoo Lee, Gyu-Hyeong Cho, Su-Yong Choi, Chun T. Rim
2014 IEEE transactions on industry applications  
Park, S. Lee, and G.-H. Cho are with the Department of Electrical Fig. 1 . 1 Overall system configuration of the proposed IPTS for mobile robots. Fig. 2 . 2 Power floor winding methods.  ...  Changbyung Park received the B.S. and M.S. degrees in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, in 2008 and 2010, respectively.  ... 
doi:10.1109/tia.2013.2271604 fatcat:pnvhmsfgubf2rd7nyvkuxuhqy4

Social Contribution Model through 2016 Rio Summer Olympic Sponsorship of Cisc

Jaehak Byun, Sangphil Kim, Changbyung Park, Jaekul Lee, Yongtae Shin, Jong-Bae Kim
2016 Asia-pacific Journal of Multimedia services convergent with Art Humanities and Sociology  
135-798 IT Policy and Management Abstract In this paper, I talked about 2016 Brazil Rio olympic games's social contribution sponsorship commitment by cisco. In 2016 the city Rio de Janeiro will host the XXXI edition of the Summer Olympic and Paralympic games, the world's biggest sports event ever. The event will involve 20,000 accredited media professionals and approximately 9 million spectators. For this event cisco will support Network equipment, Servers, Storages and social contribution
more » ... ities for Brazil's underdeveloped regions included Rio. The purpose of this study is to share these social contribution activities with Korea shake holders then help them to make a Korea local contribution plan. Cisco provide below things. Connecting through community knowledge centers, Information technology(ICT) training for Rio 2016 volunteers, Inspiring entrepreneurs with the I-Prize model and Developing a smart and connected city. This Cisco's experiences in Rio to help guide sponsors for PyeongChang winter Olympic games to search for effective social contributions as a good policy.
doi:10.14257/ajmahs.2016.07.02 fatcat:xpn663sbhrebbk7vgbzds7n554

Filter-free AC direct LED driver with unity power factor and low input current THD using binary segmented switched LED strings and linear current regulator

Changbyung Park, Chun-Taek Rim
2013 2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC)  
A compact LED driver with high power factor and low harmonic distortion is proposed for the AC direct LED lighting. For the compact implementation of LED lamp, all the bulky passive components such as inductors and electrolytic capacitors are eliminated. To meet power factor and total harmonic distortion regulations, the current flows through LED string is controlled by a linear current regulator. To minimize the power loss of the linear current regulator, the voltage drop of the whole LED
more » ... g is adjusted by means of binary switching. The drain voltage of the linear current regulator is controlled by simple digital logics and comparators to limit the current within predefined range. The proposed LED driver was verified by simulations and a prototype experiment kit. I. 978-1-4673-4355-8/13/$31.00 ©2013 IEEE
doi:10.1109/apec.2013.6520313 fatcat:4s4h6hkwi5ha3jasy6pcmxed3a

Mobile Charging using Footstep and its Wireless Transmission

Rahul Agrawal
Advances in Computer Science and Information Technology (ACSIT)   unpublished
CONCLUSION OF WIRELESS TRANSMISSION OF ENERGY Changbyung Park, , Sungwoo Lee, Gyu-Hyeong Cho, and Chun T.  ...