• 산림경영
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• s.58
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• pp.19-19
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• 1990

• The Journal of the Korea Contents Association
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• v.18 no.11
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• pp.338-347
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• 2018

This writing presents a structural methodology that conceptualize' Fransis Ford Coppola's perspective and adaptation style of his screenplay derived from the author Mario Puzo's original novel "The Godfather". This paper is divided into two different stages: The first stage, namely the "formal stage", encapsulates the analysis of narration and exploring the effects of structural transformations, such as deleting, creating and modifying from the novel to the screenplay. The second stage, entitled "semantic stage", is concerned with ascertaining the difference between the structure itself and the adapter's perspective on the original novel. The opening sequence of will be used as a case study to explore these issues in examining its adaptation style specifically while also offering a template for adapting a screenplay from a novel.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1995.10a
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• pp.614-617
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• 1995

The unbalance heavy-load elevation driving systems are composed of rotating link-mechanism and hydraulic cylinder which actuates elevation and compensates the static unbalance moment of supporting mechanism. Control and compensation of gun driving is very difficult because these mechanism imply highly nonlinearities due to hydraulic fluid characteristics and mechanical rotation of link-mechanism. In this study, through the analysis of manufactured link-mechanism, the optimal link-mechanism design of the elevating system is suggested. Also to estimate the control performance of the unbalance heavy-load elevation servo-control driving system, modeling and simulation of the system are carried out. To prove the reliability of performance estimation program,simulation results are compared with the experimental results. Both results are similar, therefore this program will be helpful to study the control performance improvement of the system.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1996.11a
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• pp.999-1003
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• 1996

In this study, underdeveloping heavy-load driving servo control system, which are composed of controller, electro-hydraulic servo-valve, hydraulic motor, reduction gear box, turret slew bearing and turret structure, are investigated to simplify the control system. To estimate the effect of each component, model ins and simulation of linear and nonlinear system are carried out. In the first stage, to prove the retiability of performance estimation pro-gram, simulation results are compared with experimental results. In the second stage, the effect of each component of control system is evaluated and then a simplified control system is suggested.

• Journal of the Korean Society for Precision Engineering
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• v.16 no.6
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• pp.7-13
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• 1999

The unbalanced heavy-loaded elevation-driving system is composed of link-mechanism, hydraulic cylinder and compensator for the static unbalanced moment of the load. Control and compensation of elevation-driving system is very difficult because these mechanisms imply highly nonlinear properties due to hydraulic fluid characteristics and mechanical rotation of link-mechanism. In this study, through the analysis of the link-mechanism, the optimal design of the link-mechanism is suggested. Also to estimate the control performance of the unbalanced, heavy-loaded servo-controlled system, modeling and simulation of nonlinear system are carried out. To prove the validity of performance estimation program, simulation results are compared with the experimental results. Both results are similar, therefore this program will be helpful to study the improvement of the system control performance.

• Proceedings of the KSME Conference
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• 2005.11a
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• pp.184.1-184.1
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• 2005

• 제어로봇시스템학회:학술대회논문집
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• 1989.10a
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• pp.13-16
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• 1989

The paper, introduce the real time controller Design method of heavy load 6-DOF motion simulator. And also, introduce the Geometric design of 6-DOF Motion generation, real time control A algorithm and the configuration method of real time controller H/W and S/W.

• 제어로봇시스템학회:학술대회논문집
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• 1992.10a
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• pp.730-735
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• 1992

In this study, heavy loads driving servo control systems, which are composed of electro-hydraulic servo-valve, hydraulic motor/cylinder, gear box and link mechanism, are investigated for implemention. To predict the performances of the systems, modelling and simulation with some nonlinearities are carried out. Simulation results are compared with experimental results.

• Proceedings of the Korean Society of Propulsion Engineers Conference
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• 2017.05a
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• pp.766-774
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• 2017

Software has been developed for simulating particle dispersion in a circular pipe with sudden-expansion, which models the fuel feeding system of a combustor that uses metal powder like aluminum as fuel. The Lagrangian based discrete tracer point method was employed for a plug flow of particles that satisfies local turbulent velocity fluctuations. A radial velocity component was created to improve the flow turning outwards in the recirculation zone. The particle distribution patterns from both with and without the component were directly compared with the experiments near the reattachment.

• Proceedings of the Korean Society of Computer Information Conference
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• 2023.07a
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• pp.505-506
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• 2023

본 논문은 임베디드시스템을 적용한 대용량 고부하 레이다 플랫폼의 구동 제어 방안을 제안한다. 군사적 방어 목적용 지대공 유도 미사일 시스템의 구성품인 다기능 레이다 시스템은 고중량의 안테나를 구동해야하는 대용량 고부하 레이다 구동 플랫폼이 필수이다. 이 다기능 레이다 시스템은 360도 방위각 전방향을 일정한 속도로 방위각 회전하며 감시정찰 및 방어 임무를 수행한다. 여기서 대부하 레이다 구동 플랫폼은 방위각회전 구동장치를 이용하여 일정한 속도로 360도 방위각 방향으로 안정적인 회전을 가능하도록 구동 제어한다. 본 구동 제어를 실시간으로 구현하기 위해 임베디드시스템인 DSP(Digital Signal Processor)가 포함된 제어모듈은 구동모듈에 회전구동 명령을 인가하여 일정한 회전각속도로 구동하도록 회전구동 모터를 실시간 제어한다. 고부하 레이다 플랫폼은 직구동모터타입의 회전구동모터, 회전체에 신호와 전원을 공급하기 위한 회전슬립링, 회전체의 회전각도를 측정하기 위한 회전센서로 구성된 방위각회전구동장치와 전체 전원을 공급받아 사용 목적에 맞게 변환하여 공급하는 전원모듈, 구동모터에 구동전원을 공급하기 위한 구동모듈, 회전구동 명령에 따라 구동제어하기 위한 제어모듈로 구성된 제어장치로 구분된다. 본 논문에서는 대부하 레이다 구동 플랫폼을 시뮬레이션 모델링으로 구현하고 제안하는 구동 제어 방안은 구동제어시뮬레이션으로 검증한다.