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신호 압축법을 이용한 시선안정화 제어용 짐벌의 동특성 규명
김문식(Moon Sik Kim),유기성(Gi Sung Yoo),윤정주(Jung Joo Yun),이민철(Min Cheol Lee) Korean Society for Precision Engineering 2008 한국정밀공학회지 Vol.25 No.7
The line-of-sight(LOS) stabilization system is a precision electro-mechanical gimbals assembly for suppressing vibration due to its environment and tracking the target in a desired direction. This paper describes the design of gimbals system to reject the disturbance and to improve stabilization. The controller consists of a DSP with transducer and actuator interfaces. Unknown parameters of the gimbals are estimated by the signal compression method. The cross-correlation coefficient between the impulse response from the assumed model and the one from model of the gimbals is used to obtain the better estimation. The quasi-impulse response through linear element included in the gimbals could be obtained by the signal compression method. The unknown parameter of the linear element could be estimated as comparing the bode plots for impulse response from gimbals with them from model's response.
프로농구 관람 소비자의 심리적 몰입이 소비행동에 미치는 영향
이승철(Seung Chul Lee),신충식(Chung Sick Shin),유기성(Gi Sung Yoo) 한국사회체육학회 2005 한국사회체육학회지 Vol.0 No.23
The professional sport fan makes an important contribution to the success of most professional team primarily through financial support(eg., ticket sales, licensed products sales). Researchers have been interested in the professional fan behaviors as consumer behaviors. However, most of researcher has been focused on game attendance or game attendance intention as fan behaviors. The purpose of this study was to examine the relationship between psychological commitment to team(PCT) and game attendance intention, purchase intention of licensed products at professional basketball fans. Subjects(n=356) were collected at a professional basketball home game on four games. we estimated the hypothesized simple regression using SPSS. These results suggest that PCT were positive and significantly related to the game attendance intention, purchase intention of licensed products. The finding of this study show that professional basketball team manager enhance relationships by providing an environment that promotes the PCT and create game attendance intention, purchase intention of licensed products.