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A Study on Shooting Device of 3D Stereoscopic images using smart phone
Mingyun Kang,Seoksoo Kim,E-Jung Choi 중소기업융합학회 2015 중소기업융합학회 국제학술대회논문집 Vol.2 No.1
As the stereoscopic image provides the depth-of-focus to feel a real sense of distance, it has been actively studied in various fields including simulation, stereoscopic animation, interactive computers, etc. In this study, the platform which allows learning the stereoscopic image by utilizing a smartphone that is currently being used by public when taking the stereoscopic image and taking a simple stereoscopic image was proposed. The platform presented in this study will help in learning the stereoscopic image and taking a simple stereoscopic image to increase the understanding on the stereoscopic image and its utilization.
SILS를 이용한 엔진 제어기 Driving Cycle 자동 주행 제어 기능 개발
강민균(Mingyun Kang),노영창(Youngchang Noh),임무창(Muchang Lim),임성빈(Sungbin Yim),이현규(Hyeonkyu Lee) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
This paper is the investigation on the effect of vehicle speed control to match driving trace automatically using application SW of ECU through simulation. For emission driving test, it needs numerous tests to get reliable result because of driver’s deviation even if driver is same person. In case of automatic control by application SW of ECU, it is easy and simple. Also it reduces time to get more effective result on complicated driving trace. To apply automatic control system, it designs PID system to control acceleration and deceleration by application SW and CAN communication. These methods are operated and confirmed by simulation of SILS. As a result of SILS, the virtual vehicle speed is matched entered WLTC driving cycle in ECU. And the vehicle speed deviation is satisfied with standard of permission.
내구시험 전과 후의 Rattle Noise 및 영향인자들의 변화에 관한 연구
신민균(Mingyun Shin),김내관(Naeguuan Kim),강성교(Sungyyo Kang) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Recently the concern for a durable quality as well as initial quality has increased, especially rattle noise is one of the biggest issues in domestic automobile manufactures. In this study we reproduced aging of the manually operated vehicle seat rail through the durability test, measured and analyzed rattle noise and predicted major factors with 40 samples of the before and after durability test. Consequentially, x-axis free-play within a only certain range influenced the rattle noise, it was controlled by factors like other structural frictions between assembled parts.
신민균(Mingyun Shin),박상현(Sanghyun Park),권혁모(Hyoukmo Kwon),차재권(Jaekown Cha),강병주(Byungju Kang),김회천(Hoecheon Kim) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
Many companies that have technological catch-up strategies have standardized and quantified the information and know-how accumulated at the imitation phase. However, excessive regulation has a negative impact on qualitative growth. Initial operation sound is the start noise of the car’s power seat, and developers are highly skeptical about the regulation. This study investigated the management status, influence factors, measurement levels, improvement methods, and degree of awareness. In conclusion, soft starters and limit switches are the most effective way to improve initial operation sound. The survey showed that only 37% perceived the difference when 30 people heard product with 10㏈ difference in the initial operation sound.
자동차 시트레일에서 발생하는 Rattle Noise의 구조적 요인과 발생 메커니즘에 관한 실증연구
신민균(Mingyun Shin),김내관(Naeguuan Kim),강성교(Sungyyo Kang),최상민(Sangmin Choie),SJongyeb Lee 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
The purpose of this study is to find structural factors affects the rattle noise and to investigate the relationship of these findings in the car seat rail .We used each 30 per three variables, such as x-axis freeplay, y-axis characteristics and rattle noise, the moderating effect analysis was performed with this data to prove our hypothesis. Results, rattle noise was occurred due to impact between a lower rail and a locking device of rail when a vehicle was vibrating (x-axis freeplay), it has been found that side stiffness (y-axis characteristics) control the impact.
자동차 시트 레일의 유격 측정방법 개발에 관한 사례연구
신민균(Mingyun Shin),강성교(Sunggyo Kang),이종엽(Jongyeb Lee) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Free play is expected to be one of the causes for rattle noise in the vehicle seat industry. But quite a number of domestic seat company has not been established how to measure it exactly but also don`t understand a general concept of free play. In this study, we define experimental concept for the free play and discuss the case which measurement technology successfully obtained through searching, appling and reproducing advanced technology.
Doping-Dedoping Interplay to Realize Patterned/Stacked All-Polymer Optoelectronic Devices
Kim, Juhee,Kang, Mingyun,Cho, Jangwhan,Yu, Seong Hoon,Chung, Dae Sung American Chemical Society 2019 ACS APPLIED MATERIALS & INTERFACES Vol.11 No.20
<P>One of the remaining keys to the success of polymer electronics is the ability to systematically pattern/stack polymer semiconductors with high precision. This paper reports the precise patterning and stacking of various polymer semiconductors with the assistance of a molecular oxidizing agent and reducing agent for donor and acceptor semiconductors, respectively. Such doping-induced solubility control methods have been previously well developed; however, practical applications to various optoelectronic devices have been limited. To pattern/stack various polymers in various dimensions, it is important to carefully design not only the doping method for desolubilizing polymer semiconductors but also the dedoping method for recovering the genuine characteristics of each polymer semiconductor. Based on a systematic approach for such a doping-dedoping interplay, various high-performance optoelectronic devices are demonstrated: (1) all-polymer complementary inverter pattern with a high gain of 176, (2) all-polymer planar heterojunction photodiode with green-selective nature and high specific detectivity over 10<SUP>12</SUP> Jones, and (3) all-polymer ambipolar transistor pattern with balanced hole and electron mobilities. The results of the study indicate the potential of practical application of the doping-dedoping interplay to lateral/vertical patterning of different polymer semiconductors with high precision.</P> [FIG OMISSION]</BR>
윤세빈 ( Yoon Sebeen ),강민균 ( Kang Mingyun ),김창원 ( Kim Chang-won ),임현수 ( Lim Hyunsu ),유위성 ( Yoo Wi Sung ),김태훈 ( Kim Taehoon ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.1
The inspection work at construction sites is one of the important supervisory tasks, which involves verifying that the building is being constructed by the numerical values specified in the design drawings. The conventional measuring method for inspection involves using tools or equipment such as rulers directly by the personnel at the site, and it is usually confirmed by vision. Therefore, this study proposes an model to measure numerical values on images of the construction site. Through the case study to measure the installation interval of jack supports, the proposed algorithm was verified the effiect and validity. The results of this study suggest that it can support inspection work even in the office, which may have been overlooked by on-site inspectors, and contribute to the digitization of inspection work at construction sites.