• 제목/요약/키워드: Microprocessor system

검색결과 872건 처리시간 0.029초

마이크로프로세서를 이용한 인터넷 원격감시제어 시스템에 관한 연구 (A Study on a Internet Remote Control and Monitoring System using a Microprocessor Embedded Controller)

  • 서인호;유영호
    • Journal of Advanced Marine Engineering and Technology
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    • 제25권4호
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    • pp.869-879
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    • 2001
  • Serial communications such as RS-232C or RS-485 have been used to control and monitor the industrial plants for a long in cooperating with a computer or microprocessor. In recent years a great deal of effort has been made to achieve these control and monitoring through Internet network. This paper proposes a microprocessor system to implement remote control and monitoring system through Internet network. The proposed system uses NE2000 compatible NIC for data link and physical layer to access Internet network The microprocessor employed in the system plays a role of interfacing NE2000 compatible NIC interpreting protocols above link layer, controlling and monitoring industrial plants simultaneously. This paper also shows MMI and experimental results which control and monitor two power plants on the computer monitor with a mouse remotely to verify the proposed.

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마이크로프로세서를 이용한 R-R 구간 측정 (Measurement of R-R Intervals with a Microprocessor)

  • 박경수;이동하
    • 대한인간공학회지
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    • 제4권2호
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    • pp.3-10
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    • 1985
  • This article developes a cost-effective on-line measurement system of R - R intervals in ECG. The system is composed of a R peak detector, a timer and an Apple II computer (a 6502 microprocessor and memories). The system measures the R - R intervals in msec and stores them in a disk, for off-line analysis. A circuit diagram of the R peak detector and programs for controlling the microprocessor are presented.

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ARM7 호환 32-Bit RISC Microprocessor 설계 (A Desigen of the ARM7-Compatible 32Bit RISC Microprocessor)

  • 이기호;유영재;김기민;강용호;송호준;이철훈
    • 한국정보과학회:학술대회논문집
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    • 한국정보과학회 1998년도 가을 학술발표논문집 Vol.25 No.2 (3)
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    • pp.18-20
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    • 1998
  • 본 논문에서는 RISC Microprocessor Core 설계에 대한 기반 기술을 확립하여, GPS(Global Positioning System) 같은 Embedded 시스템 등에서 주로 사용되어 지고 있는 ARM사의 ARM7 CPU와 이진 호환이 가능한 Microprocessor를 설계하고자 하였다. 이를 위하여 RISC Microprocessor의 기본적인 구조를 바탕으로 하여 ARM7 CPU와의 호환을 위하여 ARM7 CPU의 명령어들이 주어진 Clock안에 수행될 수 있도록 설계를 하였고, 여러 모듈을 원활히 공유할 수 있도록 내부에 공유 버스를 설계하였다. 설계를 위해서 Verilog-HDL(Hardware Description Language)을 사용하였으며, Microprocessor를 기술하는데 있어서 Behavioral 구조와 RTL(Register Transfer Level) 구조를 혼합하여 사용하였다. 설계된 Microprocessor의 동작은 면적과 타이밍의 최적화를 거친 후 Cwaves 툴을 사용하여 실질적인 ARM7의 명령어들을 수행하면서 검증하였다.

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Multilayer Power Delivery Network Design for Reduction of EMI and SSN in High-Speed Microprocessor System

  • Park, Seong-Geun;Kim, Ji-Seong;Yook, Jong-Gwan;Park, Han-Kyu
    • Journal of electromagnetic engineering and science
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    • 제2권2호
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    • pp.68-74
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    • 2002
  • In this paper, a pre-layout design approach for high-speed microprocessor is proposed. For multilayer PCB stark up configuration as well as selection and placement of decoupling capacitors, an effective solution for reducing SSN and EMI is obtained by modeling and simulation of complete power distribution system. The system model includes VRM, decoupling capacitors, multiple power and ground planes for core voltage, vias, as well as microprocessor. Finally, the simulation results are verified by measurements data.

The design of a 32-bit Microprocessor for a Sequence Control using an Application Specification Integrated Circuit(ASIC) (ICEIC'04)

  • Oh Yang
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2004년도 학술대회지
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    • pp.486-490
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    • 2004
  • Programmable logic controller (PLC) is widely used in manufacturing system or process control. This paper presents the design of a 32-bit microprocessor for a sequence control using an Application Specification Integrated Circuit (ASIC). The 32-bit microprocessor was designed by a VHDL with top down method; the program memory was separated from the data memory for high speed execution of 274 specified sequence instructions. Therefore it was possible that sequence instructions could be operated at the same time during the instruction fetch cycle. And in order to reduce the instruction decoding time and the interface time of the data memory interface, an instruction code size was implemented by 32-bits. And the real time debugging as single step run, break point run was implemented. Pulse instruction, step controller, master controllers, BIN and BCD type arithmetic instructions, barrel shit instructions were implemented for many used in PLC system. The designed microprocessor was synthesized by the S1L50000 series which contains 70,000 gates with 0.65um technology of SEIKO EPSON. Finally, the benchmark was performed to show that designed 32-bit microprocessor has better performance than Q4A PLC of Mitsubishi Corporation.

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80C196MC를 이용한 유도전동기 벡터제어 (Vector Control of Induction Motors using 80C196MC)

  • 이동명;김창현;이주환;김학원;홍석종;김종철;신휘범
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 1997년도 전력전자학술대회 논문집
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    • pp.156-160
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    • 1997
  • This paper proposed the vector controller of induction motors using one chip microprocessor. For developing a small and cheep speed control system, we use the one chip microprocessor 80C196MC. By using the one chip microprocessor we can make an inexpensive and small-sized vector controller for induction motors. We apply indirect vector control method and space vector modulation method to this system. The experimental results show that the proposed inverter has high performance features.

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DSP2812 마이크로프로세서를 이용한 복수전동기운전을 위한 CAN기반 지능형제어시스템 개발 (CAN Based Networked Intelligent Multi-Motor Control System using DSP2812 Microprocessor)

  • 김중곤;홍원표
    • 한국조명전기설비학회:학술대회논문집
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    • 한국조명전기설비학회 2005년도 학술대회 논문집
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    • pp.81-87
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    • 2005
  • 이 논문은 자동차에서 제어 네트워크로 이미 신뢰성이 확인된 CAN(Controller Area Network) 필드버스를 산업계 복수전동기 제어에 적용하기 위하여 지능형 제어모듈로 CAN 이 내장된 DSP2812 프로세서를 이용하여 제어 및 모니터링기술을 개발하였다. 산업계에 광범위하게 사용되고 있는 유도전동기를 대상으로 여러 대의 유도전동기를 제어하기 위한 제어 알고리즘과 CAN기반제어네트워크 구축방법을 개발하였다. 이 시스템 성능을 평가하기 위하여 2대의 유도전동기 인버터 구동시스템에 적용하여 CAN 기반 네트워크 제어 실험을 수행하였다. 그 결과 광범위한 속도와 정역회전에서 실시간 네트워크 기반 제어성능을 확인하였다.

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이중마이크로프로세서의 이용과 분산처리기법을 도입한 선박용 원격제어 시스템의 설계에 관한 연구 (A Study on the Design of Ship's Distributed Remote Control System Using Dual-Microprocessor)

  • 홍순철;정경열;류길수
    • Journal of Advanced Marine Engineering and Technology
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    • 제18권5호
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    • pp.78-87
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    • 1994
  • In this paper design and implementation of ship's distributed remote control system using dual-microprocessor is presented for real time process. The proposed system is implemented with the single chip microprocessors in tightly coupled mode and results in speed up of $s_p$=1.74. Under the assumption that the nodes are interconnected in multidrop, the overall system performance such as average throughout-delay characteristics and effective throughput are analyzed using M/G/1 queneing model, and results show that the proposed node can be used in medium sized distributed monitoring and control system.

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마이크로프로세서 기술에 기초한 실시간 파고 계측용 용량식 파고계의 개발 (Development of a Capacitance-type wave Recorder for Measuring Real-Time Wave Height Based on Microprocessor Technique)

  • 김제윤;김환성;김상봉
    • 한국해양공학회지
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    • 제10권3호
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    • pp.162-167
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    • 1996
  • This paper deals with an implementation method for the one chip microprocessor(8097)-based capacitance type wave recorder for a measuring real-time wave height. The system was developed to make it possible to real-time remote sensing the wave height by deploying the RS-232/422/485 communication methods. The system test results for the developed system such as linearity, system stability and robustness of the disturbance was also verified through the performance tests of the system. Furthermore, the system was developed after due consideration with connecting the public network such as satellite mobile communication system and LAN, through the deploying VLSI(Very Large Scale Integration) design techniques.

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