• 제목/요약/키워드: Compliance Method

검색결과 883건 처리시간 0.03초

구조적 컴플라이언스 모델링을 이용한 구속받는 유연 매니퓰레이터의 위치/힘 제어 (Position/Force Control of Constrained Flexible Manipulators Using Structural Compliance Modeling)

  • 김진수
    • 한국정밀공학회지
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    • 제19권10호
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    • pp.114-119
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    • 2002
  • The aim of this paper is to clarify the structural compliance of the constrained flexible manipulator and to develop the force control algorithm by using the compliance of the links. The proposed structural compliance control consists of the position control to utilize a flexible manipulator model (considering the compensation for the elastic deflection of links) and the passive force control to utilize the rigid manipulator model (without considering the compensation for the elastic deflection of links). We present the experimental results for the case when applying the only position control, and when applying the structural compliance control. Finally, a comparison between these results is presented to show the performance of our method.

실시간 다물체 차량 해석을 위한 준정적법의 컴플라이언스 효과 모델링 (Compliance Effect Modeling based on Quasi-static Analysis for Real-time Multibody Vehicle Dynamics)

  • 정완희;하경남;김성수
    • 대한기계학회:학술대회논문집
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    • 대한기계학회 2007년도 춘계학술대회A
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    • pp.1003-1008
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    • 2007
  • Compliance effect consideration method for real-time multibody vehicle dynamics is proposed using quasi-static analysis. The multibody vehicle model without bush elements is used based on the subsystem synthesis method which provides real-time computation on the multibody vehicle model. Reaction forces are computed in the suspension subsystem. According to deformation from the quasi-static analysis using reaction forces and bush stiffness, suspension hardpoint locations and suspension linkage orientation are changed. To validate the proposed method, quarter car simulations of McPherson strut and multilink suspension subsystems. Full car bump run simulations are also carried out comparing with the ADAMS vehicle model with bush elements. CPU times are also measured to see the real-time capabilities of the proposed method.

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실시간 다물체 차량 해석을 위한 준정적법의 컴플라이언스 효과 모델링 (Compliance Effect Modeling Based on Quasi-Static Analysis for Real-Time Multibody Vehicle Dynamics)

  • 김성수;정완희;하경남
    • 대한기계학회논문집A
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    • 제32권2호
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    • pp.162-169
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    • 2008
  • Compliance effect consideration method for real-time multibody vehicle dynamics is proposed using quasi-static analysis. The multibody vehicle model without bush elements is used based on the subsystem synthesis method which provides real-time computation on the multibody vehicle model. Reaction forces are computed in the suspension subsystem. According to deformation from the quasi-static analysis using reaction forces and bush stiffness, suspension hardpoint locations and suspension linkage orientation are changed. To validate the proposed method, quarter car simulations of McPherson strut and multilink suspension subsystems are performed. Full car bump run simulations and fish hook handling test simulations are also carried out comparing with the ADAMS vehicle model with bush elements. CPU times are also measured to see the real-time capabilities of the proposed method.

Load Ratio 해석에 의한 알루미늄 5083 합금 용접부의 J-R곡선 평가 (Evaluation of J-R Curve for Aluminum 5083 Alloy Weldment by Load Ratio Analysis)

  • 윤한기;김연겸
    • Journal of Welding and Joining
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    • 제15권4호
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    • pp.178-186
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    • 1997
  • The purpose of this study is to evaluate the J-R curve characteristics for the 5083 aluminum alloy weldment by the load ratio analysis. The results of the load ratio analysis are compared with those of the J-R curve which are obtained by the ASTM unloading compliance method. The crack length calculated by the load ratio analysis is agrees well with the measured final crack length. The slope of the exponential J-R curve estimated by the load ratio analysis is slightly smaller than that by the ASTM unloading compliance method. The exponential correlation of the J-R curve for the 5083 aluminum alloy base metal by the load ratio analysis is J = 93.88 ${\Delta}{\alpha}^{0.375}$. That for the weld metal and HAZ is J = 69.87 ${\Delta}{\alpha}^{0.389}$ and J = 70.59 ${\Delta}{\alpha}^{0.359}$ respectively. The J-R curve obtained by the ASTM unloading compliance method is overpredicted and should be offsetted due to the initial negative crack. On the other hand, the load ratio analysis method can evaluate the J-R curve by only load displacement curve without particular crack measurement equipment.

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원자로 압력용기강 및 Al 합금재의 J-R곡선평가시 Load Ratio 해석의 유효성 검토 (Validity Examination on Evaluation of J-R Curve in the Nuclear Reactor Pressure Vessel Steels and Aluminum Alloys by Load Ratio Analysis)

  • 윤한기;우대호;김연겸;차귀준
    • 동력기계공학회지
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    • 제1권1호
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    • pp.80-90
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    • 1997
  • The purpose of this study is to evaluate the validity examination of the J-R curve characteristics for the nuclear reactor pressure vessel steels and Al alloys by the load ratio analysis. The results of the load ratio analysis are compared with those of the J-R curve which are obtained by the ASTM unloading compliance method. The crack length calculated by the load ratio analysis is agree well with the measured final crack length. The slope of the exponential J-R curve estimated by the load ratio analysis is slightly smaller than that by the ASTM unloading compliance method. The J-R curve obtained by the ASTM unloading compliance method is over-predicted and should be offsetted due to the initial negative crack. On the other hand, the load ratio analysis method can evaluate the J-R curve by only load-displacement curve without particular crack measurement equipment.

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혈액투석 환자의 치료지시 이행정도와 생리적 지표와의 관계 (A Study of the Relationship between Compliance with Therapeutic Regimens and Physiological Parameters of Hemodialysis Patients)

  • 민혜숙;이은주
    • 대한간호학회지
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    • 제36권1호
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    • pp.64-73
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    • 2006
  • Purpose: This study was done to investigate correlations between compliance and physiological parameters of hemodialysis patients. Method: The subjects were 102 patients on hemodialysis at 3 hospitals in B city. Data was collected using Shon(l986)'s questionnaire and measuring physiological parameters (serum urea nitrogen, creatinine, hemoglobin, albumin, potassium, phosphorus, interdialytic weight gain). Result: Mean scores of compliance with the therapeutic regimen was $4.00\pm$ 0.55 on a 5 point scale. The area of visiting hospitals and taking medicines . were shown to have high compliance with therapeutic regimens; on the other hand, the areas concerning diet and symptoms were shown to be low. Interdialytic weight gain and phosphorus were significantly related to the compliance with therapeutic regimens. Conclusion: Hemodialysis patients' therapeutic compliance was related to the physiological parameters(potassium, phosphorus, interdialytic weight gain). Therefore, these findings give hemodialysis patients useful information for raising their therapeutic compliance.

고혈압 환자의 건강행위 이행 (Compliance with Health Behavior among Patients who are Hypertensive)

  • 정혜선;조옥희;유양숙
    • 기본간호학회지
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    • 제12권2호
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    • pp.223-230
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    • 2005
  • Purpose: This study was done to investigate compliance with health behaviors among patients who are hypertensive. Method: The participants in this study were 121 outpatients with hypertension. Compliance with health behaviors was measured using a questionnaire developed by the researchers. Data were analyzed using t-test, ANOVA, Duncan's multiple range test and chi square test. Results: According to tile general characteristics of the participants, compliance with medication and diet was higher among women than men, among high school graduates than middle school graduates or those with lower academic qualifications, and among those who were unemployed compared to those who were employed. Compliance with alcohol abstinence or not smoking was higher among women than men, and among those who were unemployed compared to those who were employed. According to the risk factors of hypertension, compliance with health behaviors was significantly higher in those who had associated diseases. The participants in the group with a hypertension morbidity period longer than 10 years did exercise more than 3 times a week and regularly weighed themselves once or more a week. The item showing highest compliance concerning medication and diet was 'Take prescribed drugs regularly', while the one showing lowest was 'Take drugs with knowledge about their side effects'.

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고혈압 환자의 고혈압지식 및 치료지시이행 -H군 관내 보건진료소와 병·의원 이용그룹 간 비교분석- (Hypertension knowledge and Treatment compliance of Hypertensive Patients -Comparative analysis between groups treated at Primary Health Care Post in "H" Gun (country) and at other private Clinics·Hospitals. -)

  • 이양순;서은주
    • 한국농촌간호학회지
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    • 제9권2호
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    • pp.45-58
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    • 2014
  • Purpose: To determine the knowledge and treatment compliance with hypertension, directions for the aspects of implementation, and related factors to patients with hypertension using Primary Health Cares and Private Clinics Hospitals. Method: General characteristics and High blood pressure-related properties(17 questions), Hypertension knowledge measures(20 questions), and Treatment Compliance(22 questions) were used. Result: 1. The patients of Private Clinics Hospitals had statistically significantly higher drinking habits than Primary Health Care centers. The patients of Private Clinics Hospitals had statistically significantly higher rate of no family history of hypertension than Primary Health Care centers. 2. Primary Health Care centers had statistically significantly higher knowledge of hypertension than Private Clinics Hospitals. Primary Health Care centers had statistically significantly higher treatment compliance than Private Clinics Hospitals. Conclusion: Both Primary Health Care centers and Private Clinics Hospitals are high medication compliance but low lifestyle compliance with hypertension. We need to recognize the importance of lifestyle compliance, to apply proper programs and to provide therapists' aggressive intervention.

중환자실 간호사의 중환자간호 실무표준 이행에 대한 조사 (ICU Nurses' Compliance with Standards for Critical Care Nursing Practice)

  • 이영희;정연이;김미순;김순희
    • 기본간호학회지
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    • 제17권4호
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    • pp.478-486
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    • 2010
  • Purpose: To explore nurses' compliance with standards for critical care nursing practice in intensive care units (ICUs) and to provide basic data for high quality of critical care nursing. Method: A total of 616 participants from 61 ICUs which are graded from 1 to 7 throughout the nation were surveyed. Data were collected from February 9 to February 27, 2009 using a questionnaire consisting of 58 questions including 50 nursing activities as indicators. Results: The rate of ICU nurses' compliance with standards for critical care nursing practice was high. As for individual standards, compliance with the standard of assessment was the highest, followed by implementation, diagnosis, and planning in that order. There were differences in compliance according to nurses' ICU experience, work place (unit), and ICU grade. A shortage of manpower was considered as a main cause for noncompliance. Conclusion: The present compliance rate with standards for critical care nursing practice by ICU nurses was identified. Therefore, compliance rate can be used to promote quality of critical care nursing and development of educational programs for ICU nurses.

Sub-modeling을 이용한 end-to-end 문합의 비선형 해석 (Nonlinear Analysis of End-to-End Anastomosis Using Sub-modeling)

  • 한근조;안성찬;심재준
    • 한국정밀공학회지
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    • 제20권2호
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    • pp.192-198
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    • 2003
  • A finite element analysis of end-to-end artery/PTFE anastomosis has been presented in this study to evaluate the distribution of compliance and stresses in the vicinity of the anastomosis due to any mismatch in compliance characteristics. The artery wall was assumed to be made of linear isotropic material in this simplified model and a nonlinear analysis and convergency study with respect to increasing meshed element numbers were performed with a mean artery pressure loading of the artery-PTFE model. Also, sub-modeling method was Introduced to progress the accuracy of the finite element analysis. The results are as follow : 1. A hypercompliant zone on the artery side was observed around 4.Omm from the anastomosis and a high hoop stresses in the wall of artery and PTFE was dominant. 2. An artery displays large deformation so that nonlinear analysis and sub-modeling method was used. 3. An anastomosis with the thinner thickness and larger diameter PTFE (B type) could reduce the compliance disagreement.