• 제목/요약/키워드: integrated control

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PRESS 공정의 컴퓨터 통합 안전 진단시스템 구축에 관한 연구 (The Development of Computer Integrated Safety Diagnosis System for Press Process)

  • 강경식;나승훈;김태호
    • 산업경영시스템학회지
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    • 제18권36호
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    • pp.175-182
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    • 1995
  • Industrial safety management program can be divided three part that is education, technology, and management. The effectiveness of a industrial safety management program depends on the ability to manage hardware which is technology and software, education and management, In this research, it will be described that how to design and develop Computer Integrated Safety System and Computer Based Training System for Press operations which is how to integrated industrial safety program wi th production planning and control in order to control efficiently using personnel computer system.

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Integrated Guidance and Control Design for the Near Space Interceptor

  • WANG, Fei;LIU, Gang;LIANG, Xiao-Geng
    • International Journal of Aeronautical and Space Sciences
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    • 제16권2호
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    • pp.278-294
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    • 2015
  • Considering the guidance and control problem of the near space interceptor (NSI) during the terminal course, this paper proposes a three-channel independent integrated guidance and control (IGC) scheme based on the backstepping sliding mode and finite time disturbance observer (FTDO). Initially, the three-channel independent IGC model is constructed based on the interceptor-target relative motion and nonlinear dynamic model of the interceptor, in which the channel coupling term and external disturbance are regarded as the total disturbances of the corresponding channel. Then, the FTDO is introduced to estimate the target acceleration and control system loop disturbances, and the feed-forward compensation term based on the estimated values is employed to effectively remove the effect of disturbances in finite time. Subsequently, the IGC algorithm based on the backstepping sliding mode is also given to obtain the virtual control moment. Furthermore, a robust least-squares weighted control allocation (RLSWCA) algorithm is employed to distribute the previous virtual control moment among the corresponding aerodynamic fins and reaction jets, which also takes into account the uncertainty in the control effectiveness matrix. Finally, simulation results show that the proposed IGC method can obtain the small miss distance and smooth interceptor trajectories.

크레인 제어를 위한 통합 네트워크 및 제어 시스템 (Integrated Communication and Control System for Cranes)

  • 김응석;김문철;허우정;신경봉;박정민;유범재;조영조;김광배;류해영;안병규
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1996년도 하계학술대회 논문집 B
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    • pp.1257-1259
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    • 1996
  • In this paper, we introduce an integrated communication and control system(ICCS) for control of a crane. The system is integrated with a compasite technique as a network interfacing, a user interfacing and a system control for continuous process like as a container crane. The field-bus(Profibus) network module is used to interconnect each input/output module with main control unit. The MMI system for user interfacing is integrated with an ODBC-based data management tool and IECl131-based control logic design tool(Soft-Logic Designer:SLD). The each programmed control task in the main Controller is executed using a petri-net based scheduler.

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통합적 미술감상활동이 유아의 그림표현능력에 미치는 영향 (Integrated Art Appreciation: Effects on Young Children's Drawing Expression)

  • 문은식;홍미숙
    • 아동학회지
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    • 제26권5호
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    • pp.233-244
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    • 2005
  • This study examined the effect of visual art appreciation integrated with expression(integrated art appreciation) upon young children's drawing expression. The pretest-posttest control group design was chosen for the study. Twenty kindergarten children assigned to the experimental group were exposed to a program of integrated appreciation activity for 10 sessions. Another group of 20 kindergarten children were assigned to the control group taught by the traditional art teaching methods. Analysis of Covariance was applied for data analysis. Children in the experimental group showed higher scores in such drawing expressions as line, color, shape, composition, and theme.

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통합적 동작활동이 종일제 유아의 기본운동능력 및 신체표현능력에 미치는 영향 (Effects of Integrated Movement on Children's Fundamental and Expressive Movement Ability in All-day Kindergarten)

  • 정세호;엄정애
    • 아동학회지
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    • 제23권5호
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    • pp.153-166
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    • 2002
  • This study investigated the effectiveness of integrated movement on children's fundamental and expressive movement ability in all-day kindergarten. Subjects were 52 children in 2 all-day kindergartens in Daejeon. The Subjects were divided into an experimental and a control group. Integrated movement activities were applied in the experimental group for 7 weeks. Integrated movement activities were focused on the life theme according to the annual and weekly education plan and were composed by integrating both the basic area and the application area of movement. At the end of the training period, differences were found in fundamental and expressive movement ability between the experimental and the control groups.

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통합제진마운트용 MR 댐퍼의 설계 및 성능 평가 (Design and Performance Evaluation of MR Damper for Integrated Isolation Mount)

  • 성민상;임승구;최승복;김철호;우제관
    • 한국소음진동공학회논문집
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    • 제20권11호
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    • pp.1046-1051
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    • 2010
  • This paper presents design and performance evaluation of magnetorheological(MR) damper for integrated isolation mount. The MR damper needs two functions for the integrated isolation mount. The one is vibration absorption and the other is isolation of vibration transmission. For vibration absorption, the MR damper requires wide damping force range. And for isolation of vibration transmission, the friction of MR damper needs to be eliminated. In order to achieve this goal, a novel type of MR damper is originally designed in this work. Subsequently, the MR damper is mathematically modeled and its damping force characteristics are evaluated. In addition, the vibration control performance of the MR damper associated with the stage mass is evaluated. From the result, this paper evaluates the performance of MR damper for integrated isolation mount.

OSEK OS 기반 ACC/LKS 통합제어기 구현 (Implementation of Integrated Controller of ACC/LKS based on OSEK OS)

  • 최단비;이경중;안현식
    • 한국인터넷방송통신학회논문지
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    • 제13권5호
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    • pp.1-8
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    • 2013
  • 본 논문에서는, 차량 섀시 제어시스템 중 ACC(Adaptive Cruise Control)와 LKS(Lane Keeping System)를 통합하여 차량용 OS인 OSEK OS 기반으로 구현하고 실험을 통하여 그 성능을 분석한다. 최근 자동차의 안전성을 향상시키기 위해 능동 안전 및 운전자 지원 시스템이 논의 되고 있다. 그 중 차량의 종방향에 대한 가감속 제어를 수행하는 ACC와 차량이 차선을 유지할 수 있도록 보조해주는 LKS를 통합하여 차량 내 제어시스템을 구현한다. 구현한 제어시스템은 차량용 소프트웨어의 재사용성과 안전성 및 응용 소프트웨어의 하드웨어 의존성 제거 등을 목표로 표준 제안된 OSEK/VDX를 적용한다. OSEK/VDX에서 지원하는 OSEK OS를 기반으로 재설계한 제어시스템은 실시간 태스크 관리와 인터럽트 처리 및 공유자원 관리가 가능하다. EILS(ECU-In-the-Loop Simulation) 수행 결과에 의해 OSEK OS 기반의 ACC/LKS 통합제어기와 기존 일체형 펌웨어로 구현한 ACC/LKS 통합제어기가 대등함을 입증한다.

통합 자가관리 프로그램이 임신성 당뇨병 임부의 자가관리, 혈당 및 모성 정체성에 미치는 효과 (Effects of an Integrated Self-Management Program on Self-Management, Glycemic Control, and Maternal Identity in Women with Gestational Diabetes Mellitus)

  • 김희숙;김수
    • 대한간호학회지
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    • 제43권1호
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    • pp.69-80
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    • 2013
  • Purpose: The purpose of the study was to investigate the effects of an integrated self-management program on self-management, glycemic control, and maternal identity in women with gestational diabetes mellitus (GDM). Methods: A non-equivalent control group non-synchronized quasi-experimental design was used. A total of 55 women with GDM were recruited from Cheil General Hospital, Seoul, Korea and were assigned to an experimental (n=28) or control group (n=27). The participants were 24-30 weeks pregnant women who had been diagnosed with GDM as of July 30, 2010. The program was conducted as a 1 hour small group meeting 3 out of 5 times and by telephone-counseling 2 out of 5 times. The integrated self-management program was verified by an expert panel. Results: Although there was no significant reduction in HbA1c (U= -1.17, p=.238), there were statistically significant increases in self-management (U= -3.80, p<.001) and maternal identity (U= -4.48, p<.001), and decreased 2-h postprandial glucose levels (U= -2.43, p<.015) in the experimental group compared to the control group. Conclusion: These findings suggest that an integrated self-management program for women with GDM improves self-management, maternal identity, and glycemic control. Further studies are needed to identify the effects of an integrated self-management program on pregnancy and neonatal outcomes.

A Study on In-wheel Motor Control to Improve Vehicle Stability Using Human-in-the-Loop Simulation

  • Ko, Sung-Yeon;Ko, Ji-Weon;Lee, Sang-Moon;Cheon, Jae-Seung;Kim, Hyun-Soo
    • Journal of Power Electronics
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    • 제13권4호
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    • pp.536-545
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    • 2013
  • In this study, an integrated motor control algorithm for an in-wheel electric vehicle is suggested. It consists of slip control that controls the in-wheel motor torque using the road friction coefficient and slip ratio; yaw rate control that controls the in-wheel motor torque according to the road friction coefficient and the yaw rate error; and velocity control that controls the vehicle velocity by a weight factor based on the road friction coefficient and the yaw rate error. A co-simulator was developed, which combined the vehicle performance simulator based on MATLAB/Simulink and the vehicle model of CarSim. Based on the co-simulator, a human-in-the-loop simulation environment was constructed, in which a driver can directly control the steering wheel, the accelerator pedal, and the brake pedal in real time. The performance of the integrated motor control algorithm for the in-wheel electric vehicle was evaluated through human-in-the-loop simulations.

SP-100 우주선 원자로를 위한 고장진단 및 제어 통합 시스템 (A Fault Diagnosis and Control Integrated System for an SP-100 Space Reactor)

  • 나만균;양헌영;임동혁;이윤준
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 심포지엄 논문집 정보 및 제어부문
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    • pp.231-232
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    • 2007
  • In this paper, a fault diagnosis and control integrated system (FDCIS) was developed to control the thermoelectric (TE) power in the SP-100 space reactor. The objectives of the proposed model predictive control were to minimize both the difference between the predicted TE power and the desired power, and the variation of control drum angle that adjusts the control reactivity. Also, the objectives were subject to maximum and minimum control drum angle and maximum drum angle variation speed. A genetic algorithm was used to optimize the model predictive controller. The model predictive controller was integrated with a fault detection and diagnostics algorithm so that the controller can work properly even under input and output measurement faults. With the presence of faults, the control law was reconfigured using online estimates of the measurements. Simulation results of the proposed controller showed that the TE generator power level controlled by the proposed controller could track the target power level effectively even under measurement faults, satisfying all control constraints.

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