• 제목/요약/키워드: Automotive application

검색결과 937건 처리시간 0.028초

반복 학습제어를 이용한 전기유압액추에이터의 위치제어 (Position Control of Electro Hydraulic Actuator (EHA) using an Iterative Learning Control)

  • 도안녹치남;우엔민트리;박형규;안경관
    • 드라이브 ㆍ 컨트롤
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    • 제11권4호
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    • pp.1-7
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    • 2014
  • This paper presents the development of a compact position generator to be used for industrial purposes based on a pump controlled Electro-Hydraulic Actuator (EHA), which is closed-loop controlled by an embedded based Iterative PID controller. The controller is designed by combining the PID controller and the iterative learning scheme to perform tracking control for periodically desired references. Control algorithm is implemented on an embedded computer (AD 7011-EVA) which makes the implementation and application in industrial environments easier.

소형모터 생산시스템의 생산계획수립을 위한 설비배치 기반의 시뮬레이션 모형 구축 (Developing a Layout Based Simulation Model for Production Planning of Small Motor Production System)

  • 김승환
    • 한국시뮬레이션학회:학술대회논문집
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    • 한국시뮬레이션학회 1998년도 추계학술대회 및 정기총회
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    • pp.65-65
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    • 1998
  • Manufacturing systems like a motor production process are analyzed using simulations than numerical analyses and/or heuristic methods due to their stochastic properties. The SME(small and medium enterprise) producing automotive motors that develop CIM systems to improve production performance is focused as an application site. We analyze and understand the system exactly using layout based simulation, and then we will suggest the initial feashible production-plan dependent on the layout to overcome weak-points of the current system(i.e., high WIPs, bottle-neck processes, due-date delays and etc.). And, solutions are suggested to increase performances of SMEs producing automotive motors in this paper. The simulation model built in this study is moedlled and analyzed with fully object-oriented methodology using SiMPLE++TM according to properties of production processes of the automotive motor. And, we will introduce ways to verify the model with developed templates for reusability when new needs will be occurred such as designing a new ship, extension or rearrangement of the system, change of production-plans, receiving urgent orders, and so on.

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차량용 MOST 네트워크를 위한 POSIX 기반의 Network Service 설계 및 구현 (Design and Implementation of MOST Network Service over POSIX)

  • 이무열;정성문;진현욱
    • 대한임베디드공학회논문지
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    • 제5권1호
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    • pp.23-28
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    • 2010
  • The automotive industry tries to provide infotainment systems to emerging automobiles. Since the infotainment systems require various peripheral devices and network connectivity, legacy operating systems such as Linux and Windows can be much preferred due to its plentiful device drivers and multimedia applications while the operating systems following OSEK standard are used for automotive electronic control units. Thus it is highly desired that the system software supporting infotainment applications can be portable over different legacy operating systems providing unified programming interfaces. The majority of legacy operating systems support POSIX interfaces for application development. MOST is an automotive network standard for infotainment systems. Network Service defines the protocol stacks for MOST control data, which is essential to implement infotainment applications over MOST. In this paper, we suggest a POSIX-based Network Service so that we can utilize legacy device drivers and applications for automotive infotainment systems. We measure the performance of the POSIX-based Network Service and show that its overhead is not significant.

Virtual Qualification을 통한 자동차용 전장부품의 수명 평가 (Life Assessment of Automotive Electronic Part using Virtual Qualification)

  • 이해진;이정윤;오재응
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2005년도 추계학술대회논문집
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    • pp.143-146
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    • 2005
  • In modern automotive control modules, mechanical failures of surface mounted electronic components such as microprocessors, crystals, capacitors, transformers, inductors, and ball grid array packages, etc., are mai or roadblocks to design cycle time and product reliability. This paper presents a general methodology of failure analysis and fatigue prediction of these electronic components under automotive vibration environments. Mechanical performance of these packages is studied through finite element modeling approach fur given vibration environments in automotive application. Using the results of vibration simulation, fatigue lift is predicted based on cumulative damage analysis and material durability information. Detailed model of solder/lead joints is built to correlate the system level model and obtain solder strains/stresses. The primary focus in this paper is on surface-mount interconnect fatigue failures and the critical component selected for this analysis is 80 pin plastic leaded microprocessor.

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자동차 전장 통합 모듈 시스템 설계를 위한 사용성 평가 (Usability Test Analysis for Design on Integrated Automotive Cockpit Module System)

  • 홍성만;박범;이성용
    • 대한안전경영과학회지
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    • 제5권4호
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    • pp.157-167
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    • 2003
  • More and more many people show a keen interest in the ergonomics application car. One of the recent trends of cockpit development is to integrate fore part of whole cockpit and compartment. The goal of this study is to develop and Analysis of User's Convenience a cockpit prototype based on the design guide of cockpit integration module. The process of this study has been followed analyzing development trend of next generation Automotive cockpit, extracting the design factor needed to making integration module and laying down the design guide of cockpit integration module. Finally, this study is indicate an instance that evaluation of utilization with Integrated Automotive Cockpit Module System.