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Realization of Human Interactive Control for Fish Aquarium Robotic
Eui Song Kim(김의송),Chan Bok Kim(김찬복),Teressa T(테레사),Amarnathvarma Angani(아마르나스와르마 앙가니),Kyoo Jae Shin(신규재) 대한전자공학회 2019 대한전자공학회 학술대회 Vol.2019 No.6
The proposed study is the continuation of the previous study that aims to control the robotic fish which had researched on bio-mimetic ornamental aquarium robotic. Recently, our research held on human interactive control based on hand gesture recognition. From the real time video, users are able to control the motion of the robotic fish by using two hands where the left hand deciding which fish will be controlled and the right hand deciding which motion of the robotic fish will be controlled. In the other case, user utilized one hand, which decides to select the tracking control algorithms such as color mark, stop zone and lead-lag tracking control algorithms. Hand gesture recognition consists of hand segmentation, and gesture recognition from the hand features. Our result shows that an interactive human control, which is in this study, is hand gesture, successfully control the motion of the robotic fish in an interactive manner.
Thermal Management System in Electric vehicle Battery Pack Using Phase Change Material
Him Chan Kim(김힘찬),Eui song Kim(김의송),Hyeon Jung Lee(이현중),Myeong JIn Seo(서명진),Teressa(테레사),Amarnathvarma Angani(아마르나스바르마 앙가니),Kyoo Jae Shin(신규재) 대한전자공학회 2019 대한전자공학회 학술대회 Vol.2019 No.6
Thermal Management in the Electric Vehicel is essential to improve the battery performance. This paper aims at the investigating the performance of Phase Change Material to prevent the thermal runway in the EVs. The better phase change materials are identified through simulation, based on heat transfer rate through the PCM. The design of the battery module was done in auto cad and the analysis done in ANSYS CFD software. The three pcms like paraffin wax, RT and Expanded Graphite were selected for the comparison. From the simulation result it was identified that the battery pack temperature maximum is not beyond the 60℃ (safe operating temperature range) in all test condition with the Expanded Graphite pcm material. The results were validated with numerical calculation and shown good agreement based on data collected at different temperatures.