http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
차량 Full 모델을 고려한 Air Suspension System HILS 개발
한상수(Sangsoo Han),황윤권(Yoonkwon Hwang),남광수(Kwangsoo Nam) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
전통적인 HILS(Hardware-In-the-Loop-Simulation)는 주로 항공우주분야 또는 대형구조물과 같이 전체 시스템을 대상으로 하는 시험이 매우 제약적이고 큰 비용을 요하는 경우나 예측하기 힘든 환경변화로 위험이 수반되는 경우, 이 시스템을 구성하는 핵심 단위부품만을 실물로 선정하고 시뮬레이션 모델로 구성된 나머지 전체 시스템과의 인터페이스 환경을 구축함으로써 선정된 핵심 부품이 전체 시스템에 미치는 영향을 분석하는 용도로 활용되어 왔다. 최근에는 자동차 분야에서도 전장부품이 차지하는 비중과 다양성이 높아지고 신규 차종 개발 시 개발 속도가 가속화되는 추세를 보임에 따라 이러한 HILS 기법이 조향, 제동, 현가 등 차량 샤시를 구성하는 제품 개발 과정에도 적극적으로 도입되고 있다. 본 논문은 고급차종을 중심으로 적용영역이 점차 확대되고 있는 4C(corner) 에어서스펜션 시스템의 성능예측, 분석 및 평가를 목적으로 개발된 1/4 car HILS 시스템에 대해 소개하고, 실차 시험결과 및 K&C(Kinematic and Compliance) 해석을 통한 전체 차량모델링 과정에 대해 기술하였다. 또한 몇 가지 대표적 주행 환경에 대해 개발된 HILS 시스템의 시험 결과와 분석 내용을 기술하였다.
PNF 패턴을 결합한 협응적 이동 훈련이 척수손상환자의 보행에 미치는 효과
황상수,맹관철,김진인,정창욱,Hwang, Sang-Su,Maeng, Gwan-Cheol,Kim, Jin-In,Jung, Chang-Wook 대한고유수용성신경근촉진법학회 2016 PNF and Movement Vol.14 No.2
Purpose: The purpose of this study was to prove the effects of coordinative locomotion training (CLT) on walking speed, walking endurance, and balance for incomplete spinal cord injury patients. Methods: Ten subjects were randomly assigned to the CLT group (n = 5) and the treadmill (TM) group (n = 5). The CLT group performed PNF pattern exercise using the motions of the sprinter and skater for 30 minutes, while the TM group performed using a treadmill for 30 minutes. Both groups performed these therapeutic interventions for five days per week, for a period of four weeks. A 10 meter walking test, Berg Balance Scale (BBS), and 6 meter walking test were used for the assessment of gait speed, balance, and gait endurance. The SPSS Ver. 18.0 statistical program was used for data processing. A Wilcoxon signed rank test was used for the comparison of pre- and post-intervention performance and a Mann-Whitney test was used for comparison between the groups. The significance level for the statistical inspection was set at 0.05. Results: Both groups showed significant improvements in the 10 meter walking test, Berg Balance Scale, and 6 meter walking test (P < 0.05). Conclusion: CLT had an effect on the improvement of walking speed, walking endurance, and the balance of incomplete spinal cord injury patients. Thus, we suggest that CLT is a therapeutic intervention for incomplete spinal cord injury patients.
종합병원과 중$\cdot$소병원 방사선과의 PACS system 비교와 발생하는 문제점에 대한 고찰
김현,조종민,황상수,Kim Hyun,Cho Jongmin,Hwang Sangsu 대한방사선사협회 2001 대한방사선사협회지 Vol.27 No.2
Ⅰ. Purpose : The development of new imaging techniques and the increasing proportion of medical imaging modalities that generate images in digital form has naturally lead to the development of digital image management systems. Many people would agree that
PNF의 안정적 반전과 율동적 안정화 기법이 뇌졸중 환자의 보행 및 균형에 미치는 영향
김진인,강혜원,지민,황상수,맹관철,Kim, Jin-In,Kang, Hye-Won,Ji, Min,Hwang, Sang-Su,Maeng, Gwan-Cheol 대한고유수용성신경근촉진법학회 2018 PNF and Movement Vol.16 No.2
Purpose: The purpose of this study was to demonstrate the effects of proprioceptive neuromuscular facilitation (PNF) stability techniques on walking speed, trunk stability, and balance in stroke patients. Methods: Ten stroke patients volunteered to participate in the study, and each of subjects was randomly assigned to either the stability technique (ST) group (n=5) or to the treadmill (TM) group (n=5). Each therapeutic exercise program was provided for 30 minutes a day, 5 days per week for 4 weeks. The ST group performed a PNF pattern combined with stabilizing reversal and rhythmic stabilization of the PNF stability technique. Walking speed (measured using a 10-meter walking test), trunk stability (TIS), and balance (BBS, FRT) were evaluated before and after training. All data were analyzed using SPSS version 18.0. The significance level for statistical inspection was set at 0.05. Results: Both groups showed improvements on the 10-meter walking test, the trunk impairment scale, the Berg balance scale, and the functional reaching test. Conclusion: PNF stability techniques are effective for improving trunk stability, balance, and walking speed in stroke patients. For stroke patients, PNF stability techniques are very useful and effective, including in clinical practice.
유량 측정법을 이용한 전기차용 금속 박판 배터리 케이스의 기밀 불량 검출 기술 개발
김동규(Dongkyu Kim),황상수(Sangsoo Hwang) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
We propose a development of leaking test metal sheet battery case using mass flow measurement for Electronic vehicle. Conventional leaking test using pressure decay measurement is not accurate because the volume of the battery case changes due to pressure, whereas proposed leaking test using mass flow measurement is more accurate because it directly measures the flow rate. Moreover, the proposed leaking test is much simpler test structure than conventional leaking test. Therefore, the proposed leaking test has desirable advantages, such as accuracy and time saving. To confirm the validity of the proposed leaking test, we perform a theoretical analysis and present experimental results obtained from a prototype that is applicable to a battery case for Electronic vehicle.