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IoT 기술을 활용한 스마트 쇼핑 도우미 구현에 관한 연구
고찬민,이정수,이윤수,이동엽,이진희,강병권 순천향대학교 부설 산업기술연구소 2021 순천향 산업기술연구소논문집 Vol.27 No.1
In this paper, we propose ‘Smart Shopping Cart’ based on Arduino system. We used the ‘Mega Board’ in Arduino series because this cart system use various sensors and devices. The proposed system can contribute to solve social problems, especially demographic cliff and aging society, and can be considered as a solution for decrease in consumption at aging society. The software part of the system was made in the Arduino source format and the APP Inventor algorithm. Also we used bluethooth module for communication with users who want to know intuitive information from the cart.
최승연,서지연,황우진,이진희,강병권 순천향대학교 부설 산업기술연구소 2021 순천향 산업기술연구소논문집 Vol.27 No.1
Through the development of transportation technology, we have many options for transportation. In recent years, electric bicycles and kick-boards moved by the power of electric motors have been popularized. Solutions to decrease accidents should also be prepared for these technological developments, but few system has been suggested including driver awareness or policy. In the case of automobiles, communication systems for emergencies such as telematics services are being established and released, but they are not equipped with all vehicles, and in the case of electric kick-boards, the system is not built due to costs and operation. In this paper, a system is proposed in which the location and damage information is automatically transmitted to the designated recipient’s side in case of an emergency. It was designed as a small size to make it easier to mount on the electric kick-board, and attached a vibration and pressure sensor. Through this module and sensor, the designated rescue center, which monitors the server, can minimize accident damage by quickly moving to the location where the accident occurred.
Vacuum Packaging Technology of AC-PDP using Direct-Joint Method
Lee, Duck-Jung,Lee, Yun-Hi,Moon, Gwon-Jin,Kim, Jun-Dong,Choi, Won-Do,Lee, Sang-Geun,Jang, Jin,Ju, Byeong-Kwon The Korean Infomation Display Society 2001 Journal of information display Vol.2 No.4
We suggested new PDP packaging technology using the direct joint method, which does not need an exhausting hole and tube. The advantages of this method are simple process, short process time and time panel package. To packaging, we drew the seal line of glass frit by dispenser followed by forming the lump, which provide pumping-out path during the packaging process. And, we have performed a pretreatment of glass frit to reduce the out-gases. After which, both front and rear glass plates were aligned and loaded into vacuum packaging chamber. The 4-inch monochrome AC-PDP was successfully packaged and fully emitted with brightness of 1000 $cd/m^2$. Also, glass frit properties for pretreatment condition was investigated by AES and SEM analyses.
대한간학회지 제6차 춘계학술대회 초록집 : 구연 ; 입영 대상자의 HBsAg과 anti-HCV 양성률의 변화 추이
김록권 ( Kim Log Gwon ),안병민 ( An Byeong Min ),이동수 ( Lee Dong Su ),이강문 ( Lee Gang Mun ),박영민 ( Park Yeong Min ),이영석 ( Lee Yeong Seog ),정규원 ( Jeong Gyu Won ),이원철 ( Lee Won Cheol ),맹광호 ( Maeng Gwang Ho ) 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.1(S)
( Byeong-gwon Yun ),( Seung-joo Lee ),( Hyun-jeong So ),( Won-seob Shin ) 물리치료재활과학회 2017 Physical therapy rehabilitation science Vol.6 No.1
Objective: There are many types of exercises with upper and lower-limb action for activation of abdominal muscles for trunk stabilization. A comparison of the different exercise methods been very useful to enhance the result from the exercise for treatment. The purpose of this study was to investigate through surface electromyography (EMG) the changes in abdominal muscle activity during the performance of three different dead-bug exercise methods performed at three different speeds. Design: Cross-sectional study. Methods: The subjects were 30 healthy adults (13 males and 17 females). We instructed the subjects to perform three different dead-bug exercises. We also applied three different speeds to the dead-bug exercises; 60 bpm, 90 bpm, and 120 bpm with use of a metronome. The assessment of EMG was percentage of maximal voluntary isometric contraction on the rectus abdominis (RA), external oblique (EO), and internal oblique (IO). Results: EMG activation of the RA, EO and IO muscles was significantly greater at the higher speed (p<0.05). There was a significant increase in abdominal muscle activity during the dead-bug exercise performed with both the upper and lower extremities compared to that with only the upper extremity or the lower extremities (p<0.05). Conclusions: These findings demonstrate that the performance of the dead-bug exercise with both the upper and lower extremities combined at a high speed is more effective compared to other exercises. Therefore, it is suggested that more favourable and effective outcomes may occur when the type and speed of the exercise is chosen appropriately.