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차정훈 한국항해항만학회 2010 한국항해항만학회 학술대회논문집 Vol.2010 No.추계
유비쿼터스 시대의 핵심 기술인 RFID 기술은 물류현장에 많이 응용되고 있다. 이 연구에서는 현재 물류 분야에 적용되는 사례를 분석하고 차세대 RFID 물류시스템을 적용할 수 있도록 지능화된 RFID 장치를 사용하고, RFID 장치 및 물류 프로세스의 오류를 실시간으로 검출하고 보정하여 Open SCM에 적용하는 방법을 제안하였다.
차정훈,권중호 한국스포츠학회 2017 한국스포츠학회지 Vol.15 No.4
본 연구는 테니스 그랜드슬램대회별 남녀 각각 7경기에 대한 경기내용 측정항목에 대한 차이와 남녀선수의 랭킹과 경기내용 측정항목간의 관계를 확인함으로써 국내선수들과 현장지도자들에게 제공함으로써 지도와 훈련에 밑거름이 되는데 그 목적이 있다. 2016년 테니스 그랜드슬램 대회 전호, 전불, 전영, 전미오픈의 남녀단식 8강부터 결승전까지 총 112 경기(남자 56, 여자 56)내용의 결과자료를 이용하였다. 그 결과, Aces, Double faults, Unforced Errors, Winning on 1st Serve, Winning on 2nd Serve, Winners (Including Service), Receiving Points Won(%), Total Point Won, Fastest Serve(KMH), Average 1st Serve Speed(KMH), Average 2nd Serve Speed(KMH)가 남녀선수에 따라 차이가 있었고, 남자선수의 경우, 랭킹과 Winning % on 2nd Serve, Receiving Points Won(%), Net Approaches(%)는 유의한 부적상관을 보였고, 여자선수의 경우, 랭킹과 Aces, Winning % on 1st Serve, Winners (Including Service)는 부적상관을 보였다. The purpose of The purpose of this research is to supply tennis coaches and athletes with research data from international competitions that can be used to teach and aid in the development of training. The object of this research was to analyze the final seven games of each of the four Grand Slam tennis competitions; Australia, Roland Garros, Wimbledon, and the U.S. Open. These were for the men's and women's singles matches starting from the quarter finals through to the finals. We used the statistics program SPSS(Statistics package for the Social Science)WIN Korean version 22.0 for this research. Independent t-test is operated to know the concluding difference between the men and women in performance to significant difference of .05 in the Grand Slam competitions. Spearman's ρ correlation analysis was used to analyze the sample ranking and performance correlation. Therefore, we obtained the following conclusion. First, There were differences performance as related to Aces, Double faults, Unforced Errors, Winning on 1st Serve, Winning on 2nd Serve, Winners (Including Service), Receiving Points Won(%), Total Point Won, Fastest Serve(KMH), Average 1st Serve Speed(KMH), Average 2nd Serve Speed(KMH). There was no difference relating to 1st serve(%) in, Break Point Conversions(%), Net Approaches(%). Second, In regards to male athletes' ranking and performance, there was a direct correlation with Winning % on 2nd Serve, Receiving Points Won(%), Net Approaches(%). In regards to females' ranking and performance, there was a direct correlation with Aces, Winning % on 1st Serve, Winners (Including Service).
체육수업에서 아동의 집단적·협력적 활동평가를 위한 형성적 평가표 작성방법에 관한 연구
차정훈,안길영,배귀영 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.5
A new formative evaluation instrument focusing on students' interactive and cooperative behaviors in physical education class was developed, Three hundred and sixty-four Japanese elementary students in the sixth grade participating in 12 PE classes answered to questionnaire consisting of 3D items with 3-point intensity scale. Item analysis canceled 9 items and factor analysis of 21 items based on promax rotation revealed 5 factors, which were named Cooperative achievement, Cooperative thinking, Positive interaction with teammates, Human relations hip in the group, and Motive for cooperative activities. This scale was condensed into 10 items typical of each factor by an applicable selection and had similar factorial simple with consistent reliability (alpha=.75). We could confirm that the average score of this scale had increased through out a "Karada-Hogushi no Undo" unit including six sessions in the sixth grade's PE class (Repeated Measures ANOVA; p<.05) and agreed with "task appropriateness" for students. This scale may be viewed as an useful instrument for assessment and improvement of PE class intending students to interact with one another.