• 제목/요약/키워드: System Function Improvement

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제조공정 Network의 개선을 위한 W-함수 (W-function for the Improvement of the Network in Manufacturing Process)

  • 이상도;박기주
    • 산업경영시스템학회지
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    • 제12권20호
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    • pp.71-76
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    • 1989
  • In this paper, GERT network in modeled to improve the network of manufacturing process with feedback loop. A lot of Information on the GERT network can be derived from the equivalent W-function and MGF(moment generating function) using Mason's rule. These equations are used in calculating the variations of the performance measure and in improving the system performance. System improvement in manufacturing process is achieved by increasing the equivalent probabilities of each branches and by decreasing the expected equivalent time.

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다기능 레이더의 추적 성능 개선을 위한 퍼지 추론 시스템 기반 임무 우선 순위 선정 기법 연구 (A Study of Fuzzy Inference System Based Task Prioritizations for the Improvement of Tracking Performance in Multi-Function Radar)

  • 김현주;박준영;김동환;김선주
    • 한국전자파학회논문지
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    • 제24권2호
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    • pp.198-206
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    • 2013
  • 본 논문에서는 다기능 레이더의 추적 성능 개선을 위해 임무 우선 순위 선정을 위한 퍼지 추론 시스템 기반의 기법을 제안하였다. 제안한 기법은 추적 임무 수행 시 우선 순위 결정 트리를 구성하고, 퍼지 집합으로 추적 안정도, 위협도, 접근성을 선정하고, 퍼지 규칙을 통한 추적 임무의 우선 순위를 얻는 방식이다. 우선 순위를 높게 책정할 경우, 추적 주기를 변화시켜 추적의 정확도를 높일 수 있도록 설계하였다. 추적 성능 개선 효과를 입증하기 위해 기동 특성이 뚜렷한 표적 궤적을 생성하고, 제안된 기법을 적용한 경우와 적용하지 않은 경우를 시뮬레이션으로 비교 분석하였다.

Functional Electric Stimulation-assisted Biofeedback Therapy System for Chronic Hemiplegic Upper Extremity Function

  • Kim, Yeung Ki;Song, Jun Chan;Choi, Jae Won;Kim, Jang Hwan;Hwang, Yoon Tae
    • The Journal of Korean Physical Therapy
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    • 제24권6호
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    • pp.409-413
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    • 2012
  • Purpose: Rehabilitative devices are used to enhance sensorimotor training protocols, for improvement of motor function in the hemiplegic limb of patients who have suffered a stroke. Sensorimotor integration feedback systems, included with these devices, are very good therapeutic frameworks. We applied this approach using electrical stimulation in stroke patients and examined whether a functional electric stimulation-assisted biofeedback therapy system could improve function of the upper extremity in chronic hemiplegia. Methods: A prototype biofeedback system was used by six subjects to perform a set of tasks with their affected upper extremity during a 30-minute session for 20 consecutive working days. When needed for a grasping or releasing movement of objects, the functional electrical stimulation (FES) stimulated the wrist and finger flexor or extensor and assisted the patients in grasping or releasing the objects. Kinematic data provided by the biofeedback system were acquired. In addition, clinical performance scales and activity of daily living skills were evaluated before and after application of a prototype biofeedback system. Results: Our findings revealed statistically significant gradual improvement in patients with stroke, in terms of kinematic and clinical performance during the treatment sessions, in terms of manual function test and the Purdue pegboard. However, no significant difference of the motor activity log was found. Conclusion: Hemiplegic upper extremity function of a small group of patients with chronic hemiparesis was improved through two weeks of training using the FES-assisted biofeedback system. Further research into the use of biofeedback systems for long-term clinical improvement will be needed.

건설CALS시스템에 전자정부 표준프레임워크 적용을 위한 사전 고찰 (Preliminary Investigation for Apply of e-Government Framework at the Construction CALS System)

  • 양성훈;김남곤
    • 한국콘텐츠학회논문지
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    • 제13권11호
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    • pp.433-440
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    • 2013
  • 건설CALS시스템은 건설 공사의 기획 설계 시공 단계에서 발생되는 다양한 정보를 발주처와 시공업체에 제공하는 업무지원 시스템으로써 건설CALS포탈, 건설인허가, 건설사업관리, 시설물유지관리, 용지보상인 5개 단위 시스템으로 구성되어있다. 국토교통부 및 관련 연구진들은 CALS시스템의 중장기 운영 전략 수립 및 최신 IT기술 접목과 같은 서비스 개선 방안을 제시하는 등 시스템 활용률을 높이고자 많은 자원을 투자 하였다. 그러나 단위 시스템의 서로 상이한 개발 환경을 고려하지 않은 서비스 개선 방안들이 전체 시스템의 유지관리 및 개발비용을 증가시키고 데이터 처리속도를 감소시키는 원인 중 하나로 파악되었다. 이에 본 연구에서는 단위 시스템의 개발 환경을 통일 시킬 수 있는 전자정부 표준프레임워크를 소개하고 SW개발비용 산정도구인 기능점수(Function Point)를 이용하여 건설CALS시스템에 전자정부 표준 프레임워크의 적용 가능성 및 경제적 효율성을 분석하였다.

Circuit training과 마황(麻黃) 복용이 태음인 여성의 심폐기능향상과 체지방감소에 미치는 상관성 연구 (Correlation between Cardiopulmonary System Function and Body Fat by Circuit Training and Ephedra Herba in Taeumin Women)

  • 박상호;조현철;최승범;송윤경;임형호
    • 한방재활의학과학회지
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    • 제15권1호
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    • pp.39-65
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    • 2005
  • Objectives : This study was aimed to find out correlation of relation between cardiopulmonary function and body fat. Methods : We studied tendency of change of cardiopulmonary function and body fat for medication of Ephedrae Herba capsule by ergogenic aids with circuit training. We got the results for Exercise stress test and Segmental Bioelectrical Impedence Analysis. Results : 1. Sample Group of Ephedrae Herba medication and Circuit training generally showed the insignificant improvement of Body composition, but Control Group of Placebo and Circuit training significantly(p<.05) showed significant improvement of Body composition. 2. Sample Group of Ephedrae Herba medication and Circuit training generally showed the significant improvement of cardio-pulmonary function. Control Group of Placebo and Circuit training showed insignificant elevation of Cardiopulmonary function. 3. In the case of Sample Group, there wasn't closely correlation relationship of improvement of cardiopulmonary function and body composition, but in the case of Control Group, there was closely correlation relationship of improvement of cardiopulmonary function and body composition. Conclusions : It might be recognized that cardiopulmonary function has the correlation of body composition, and Ephedrae Herba might help the reduction of Body Fat by elevation of Cardiopulmonary function for ergogenic aids and it might be needed further study In various viewpoints.

주파수영역에서 선형시스템의 파라메트릭 식별 (A parametric Identification of Linear System in the Frequency Domain)

  • 이상혁;김주식;정수현;김종근;강금부
    • 전기학회논문지P
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    • 제52권2호
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    • pp.81-84
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    • 2003
  • This paper presents a proper rational transfer function synthesis in the continuous time system from noisy measurements. The proposed method identifies the coefficients vector of the transfer function from an overdetermined linear system that develops from rearranging the two dimensional system matrices and output vectors obtained from the observed frequency responses. By computer simulation, the performance improvement is verified.

기관지천식 환자의 효과적인 치료를 위한 청상보하탕(淸上補下湯)의 임상적 관찰 (A Clinical Observation of Chungsangboha-tang's Effects on Asthmatic Patients)

  • 방지현;정희재;정승기
    • 대한한방내과학회지
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    • 제32권1호
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    • pp.10-25
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    • 2011
  • Objectives : Asthma is considered an inflammation disease characterized by airway hyperresponsiveness and pulmonary eosinophilia. Chungsang boha-tang is a herbal medication which has been frequently used in traditional therapeutic agents for asthma. We aimed to observe the clinical effects of Chungsangboha-tang on blood eosinophil, serum IgE, AST, ALT and pulmonary function in asthmatic outpatients. Methods : The subjects consisted of 66 asthmatic patients who had been treated with Chungsangboha-tang among all the asthmatic patients who visited the 5th Internal Medicine of the Oriental Medicine Hospital of Kyung Hee University from November,2004 to November,2009. We observed blood eosinophil, serum IgE, AST, ALT levels and pulmonary function test results as well as medical records of patients to evaluate the effects. Results : Pulmonary function significantly improved after 8 weeks of treatment, and blood eosinophil and serum IgE level significantly decreased after 8 weeks of treatment. AST, ALT levels changed in normal ranges. Chungsangboha-tang was significantly effective on the male patients who had a smoking history and worse initial lab findings. We also observed a significant improvement of pulmonary function and decrease of eosinophil and serum IgE levels in the patient group who had a single treatment of Chungsangboha-tang without steroid therapy. Conclusions : This study shows that Chungsangboha-tang has effects on the improvement of pulmonary function and decrease of eosinophil and serum IgE levels as well as improvement of symptoms. And, 8 weeks of long-term treatment showed no negative effects such as significant increase of AST, ALT levels.

SCADA 시스템의 소프트웨어 연구 개발 (Program development For software maintenance of existing SCADA system in KEPCO)

  • 신건학;우희곤
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1987년도 정기총회 및 창립40주년기념 학술대회 학회본부
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    • pp.321-324
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    • 1987
  • The development of SCADA system program has been studied for the purpose of upgrading its function and increasing the effect of system application. The results of this project are divided into 3 steps, Analysis of the system function and operating system, Improvement of programs for effective alarm/logging system, Development of programs for the statistical analysis of power system operation.

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전라북도 지역발전을 위한 물류진단시스템구축 및 개선방안 제시에 관한 연구 (Establishment of Regional Logistics System and Suggestion for Strategic Policies in Cheonbuk)

  • 여기태;박준배
    • 한국항만경제학회지
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    • 제22권1호
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    • pp.87-103
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    • 2006
  • The aim of this paper is to establish the evaluation system of improving urban logistics using the QFD(Quality function Deployment) model which can facilitate to grasp the improving degree of realizing the system conforming to the relationship of all process and the process improvement. At the first stage, the established system through the QFD method will be used to evaluate and diagnosis the level of urban logistics in Cheonbuk District. The second stage is to investigate the important components that can make prompt improvement of urban logistics. Then, the sensitivity analysis is to be performed and the degree of improving urban logistics will be presented according to the rising degree of the relevant components.

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다발성 경화증에 대한 한방치료 치험 1례 (A Clinical Case Report on Multiple Sclerosis Treated by Korean Medicine)

  • 전용태;박상훈;고연석
    • 척추신경추나의학회지
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    • 제9권2호
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    • pp.21-33
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    • 2014
  • Objectives : This study was to report the improvement of the patient with multiple sclerosis treated by Korean Medical treatment. Methods : The patient diagnosed as multiple sclerosis treated by acupuncture, bee venom pharmacupuncture, chuna manual therapy, and herbal medicine. To evaluate the effects of korean medicine, we used manual muscle test(MMT), the standard for assessment of the effect of stroke treatment, functional system(FS), visual analog scale(VAS). Results : 1. The patient's pain and optic dysfunction were reduced by the above therapy. 2. There was no change in manual muscle test(MMT), but there was mild improvement in finger joints function in the standard for assessment of the effect of stroke treatment. 3. In functional system(FS) scale, there was enhancement in optic function within a range. And there was improvement in expanded disability statue scale(EDSS) from 4.0 to 3.0. 4. In visual analog scale(VAS), there was considerable improvement from 9 to 6. Conclusions : The korean medical treatment was reduced pain and optic dysfunction.

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