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선양래,유송민 경희대학교 산학협력기술연구원 1995 산학협력기술연구논문집 Vol.1 No.-
The measurement system for long bolt has been proposed. As a sensing device LVDT has been adopted. Tentative result revealed that the measurement system was efffective in measuring bolt longer than 100mm in length. It has also been studied regarding the distortion of system due to its kinematic structure.
신문매체에 나타난 한국 남성복 변천에 관한 연구 : 1988년부터 1997년 까지
趙亮來,羅秀任 服飾文化學會 1999 服飾文化硏究 Vol.7 No.5
This research, as a study of the documentary records, examined the process of men's wear development year by year, looking into the newspapers which show objectively social phenomena in those days. The outcomes thereform were classified according to the important factors of dress and ornaments' modeling i. e. style, color, pattern, material, ornamentation method. And then, the process of men's wear transition was analyzed based on the aforesaid examination with its classification. The above analyses revealed that a transition of a dress and ornaments closely correlates with a social and cultural change and also meant that the dress and ornaments symbolizes the social phenomena in those days. Thanks to the holding of Seoul Olympic Games in 1988, Korean society had tremendously grown with rapid changes in its politics, economy and culture. Also, men's wear type became innovative, breaking from the existing orthodox one due to the transition of men's viewpoints on value and their lives's style.
김태균,양희주,김규로,선양래 慶熙大學校 大學院 1995 高凰論集 Vol.16 No.-
In this paper, the pole placement design theory is applied to position control system of DC servo motor. The DC servo motor is modelled by second order linear time invariant system. We assume that All state variables are measurable and are available for feedback. If the system considered is completely state controllable, then poles of the close-loop system may be placed at any desired locations by means of state feedback through an appropriate state feedback gain matrix K. This design method called the pole placement. Proposed pole placement design has superior performance in unit step response. The pole placement design theory is very useful to drive the position control system of DC servo motor.
퍼지제어에의한 로보트 매니퓰레이터의 궤도추종에 관한 연구
조민현,선양래 慶熙大學校 1994 論文集 Vol.23 No.-
Robotic system as one of the major part of dynamic system is often subject to disturbance and parameter variation causing deteriorated performance or unstable response. In this study, two input variables as error and error change rate has been adopted along with Lukasiwicz logic and nonlinear defuzzification algorithem. This algorithm has been applied to pragmatics 6-DOF robot and tracking simulation has been conducted. The fuzzy controller developed showed better performance and stability compared to PD controller despite of their similarity.
김규로,선양래 慶熙大學校 大學院 1995 高凰論集 Vol.16 No.-
This paper presents an adaptive self-tuning control algorithm of robot manipulator. To construct an adaptive controller under the assumption of independant joint dynamics, a linear discrete time-series model of autoregressive type with external exitations is chosen to represent the input-output measurements of each joint. This algorithm has been applied to three joint planar robot manipulator and trajectory tracking simulation has been conducted. The simulation results showed the effectiveness of designed self-tuning LQG controller can successfully be applied to control of robot manipulator.
홍지혜,정한용,김양래,이소영,김진만 大韓神經精神醫學會 2008 신경정신의학 Vol.47 No.4
Objectives : Mild cognitive impairment (MCI) is distinguished from mild dementia by an absence of global intellectual deterioration and the preservation of activities of daily living (ADL). Recently, however, it became apparent that impairment of instrumental activities of daily living (IADL) is present before the threshold of dementia is reached. Thus, we want to examine whether IADL are impaired in patients with MCI, and which items of IADL are particularly involved. We divided the MCI group into amnestic (aMCI) and non-amnestic MCI (naMCI), and compared to the cognitively nonnal controls. In this study, we focused on the instrumental activities of daily living (IADL). Methods : The sample consisted of 69 community-dwelling older adults from a welfare center for the aged in Korea. The subjects were divided into three diagnostic groups; aMCI [N=19, memory domains below -1.5 standard deviation (SD)], naMCI (N= 19, other cognitive domains below -1.5 SD, except memory domains) and cognitive normal controls (N=31). Subjects were assessed both on IADL and the cognitive function. In order to assess the IADL, we used the Seoul -Instrumental Activities of Daily Living (S-IADL). Included measures of cognitive tests are as follows ; Seoul Verbal Learning Test (SVLT), Rey Complex Figure Test (RCFT), Korean-Boston Naming Test (K-BNT), Stroop test, and Korean-Mini Mental Status Examination (K-MMSE). Groups were compared on the S-IADL and the cognitive tests. Results : The three groups did not differ in the mean age, gender distribution and years of education. S-IADL were shown to be different between the groups in this study. Suects with aMCI were significantly more impaired in S-IADL in comparison to the controls [F (2,50) = 4.251, P=0.020]. And on four items ofS-IADL (shopping, transportation, medication and talking about recent events), subjects with aMCI showed higher impairment compared to the controls. However, the S-IADL did not differ between the subjects with naMCI and controls. Conclusion : In this study, impairment of S-IADL was shown in subjects with aMCI. And S-IADL ofnaMCI was not Significantly differed from aMCI and controls. The results suggest that naMCI would be distinguished from aMCI in characteristics and prognosis.
MRAC를 이용한 로보트 매니퓰레이터의 制御性能 向上에 관한 硏究 : Model Reference Adaptive Controller
김병수,김규로,선양래 慶熙大學校 大學院 1995 高凰論集 Vol.16 No.-
This paper is study on trajectory property of 6 DOF robot manipulator. This paper used to adaptive control and p-d(proportional-derivated) control for control methods, Simulation robot is stanford 6-dof robot manipulatr of stanford university. Main results obtained through this paper are summarized as followings. At each links, adaptive control has more excellant control than p-d control. At 1-st link, adaptive control and p-d control has a little error at 3.0 second. At 2 nd link, adaptive control and p-d control has a little error than other links without 3-rd link, At 3-rd link, two control methods has a superiority control results than other links with two control methods. At 5-st link, p-d control error is a most great than other links. Therefore, the adaptive control applications for 6-dof robot manipulator has a very excellant capability than applying classical p-d control.