• 제목/요약/키워드: TMS signal generator

검색결과 24건 처리시간 0.034초

능동전력필터의 기준신호발생을 위한 개선된 적응예측필터의 성능 분석 (Performance Analysis of Improved Adaptive Predictive Filter to Generate Reference Signal in Active Power Filter)

  • 배병열;백승택;한병문
    • 전력전자학회논문지
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    • 제9권6호
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    • pp.592-601
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    • 2004
  • 능동전력필터의 성능은 인버터의 특성, 제어 방법, 그리고 기준신호발생기의 정확도에 좌우된다. 이중에서 기준신호발생기의 정확도는 능동전력필터의 성능을 결정짓는 가장 중요한 요소이다. 본 논문은 개선된 적응예측필터로 구성한 새로운 기준신호발생기에 대해 소개하고 그 성능을 MATLAB을 이용한 시뮬레이션으로 검증하였다. 그리고 실제 하드웨어의 적용타당성을 평가하기 위해 개선된 기준신호발생기로 구성한 알고리즘을 TMS320C31 DSP(digital signal processor)에 구현하고 이 기준신호발생기를 기반으로 하는 단상능동전력필터의 축소모형을 제작하여 실험을 실시하였다. 시뮬레이션과 실험결과로 제안하는 기준신호발생기가 위상지연이 없는 기준신호를 추출하여 능동전력필터에 활용가능하며 그 성능도 대단히 우수함을 알 수 있었다.

능동전력필터의 정밀 기준신호 발생기 (Accurate Current Reference Generator for Active Power Filters)

  • 배병열;전영수;한병문;소용철
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 2004년도 전력전자학술대회 논문집(2)
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    • pp.575-578
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    • 2004
  • The performance of an active power filter(APF) depends on the inverter characteristic, the control method, and the accuracy of reference signal generator. The accuracy of reference generator is the most critical item to determine the performance of active power filter. This paper introduces a novel reference signal generator composed of improved adaptive predictive filter. The performance of proposed reference signal generator was first verified through a simulation with MATLAB. Furthermore, the application of feasibility was evaluated through experimenting with a single-phase APF prototype based on the proposed reference generator, which was implemented using the TMS320C31 floating-point signal processor. Both simulations and experimental results confirm that our reference signal generator can be used successfully in practical active power filters.

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자동 스케일링 기능이 지원되는 고정 소수집 디지털 시그날 프로세서 개발 시스템 (A Fixed-point Digital Signal Processor Development System Employing an Automatic Scaling)

  • 김시현;성원용
    • 전자공학회논문지A
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    • 제29A권3호
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    • pp.96-105
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    • 1992
  • The use of fixed-point digital signal processors, such as the TMS 320C25, requires scaling of data at each arithmetic step to prevent overflows while keeping the accuracy. A software which automatizes this process is developed for TMS 320C25. The programmers use a model of a hypothetical floating-point digital signal processor and a floating-point format for data representation. However, the program and data are automatically translated to a fixed-point version by this software. Thus, the execution speed is not sacrificed. A fixed-point variable has a unique binary-point location, which is dependent on the range of the variable. The range is estimated from the floating-point simulation. The number of shifts needed for arithmetic or data transfer step is determined by the binary-points of the variables associated with the operation. A fixed-point code generator is also developed by using the proposed automatic scaling software. This code generator produces floating-point assembly programs from the specifiations of FIR, IIR, and adaptive transversal filters, then floating-point programs are transformed to fixed-point versions by the automatic scaling software.

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자동동기장치 성능평가를 위한 3상 정밀파형발생기 개발 (3-Phase High Precision Sinusodial Signal Generator for Performance Measure of Autosyncronizer)

  • 정태진;차영호;박호철;천영식;정찬수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1998년도 추계학술대회 논문집 학회본부 B
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    • pp.478-480
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    • 1998
  • We develops a simulator to evaluate the performance of the autosyncronizer. The autosyncronizer is used to automatically syncronize magnitude, frequency, and phase of 3 phase signals of generator with respect to those of the utility grid. This autosyncronizer needs to be evaluated its performance to prevent malfunctions. To do this, 3 phase signals of generator and the utility grid are simulated and signals of the generator should be changed by ouput of the autosyncronizer with high precision. In this paper, we uses TMS320C31 to generate high precision sinusoidal 3 phase signals using Table Lookup method. In this process, it is very desirable to control magnitude, frequency, and phase of the signal with high precision and this is achieved by appropriate interpolation method. The resulted signal is well controlled and has low THD and could be used to evaluate the performance of the autosyncronizer.

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DSP(TMS320F240)를 이용한 BLDC서보 전동기 다축 이송시스템 제어기 설계 (Design of DSP(TMS320F240) Controller for Multi-axes Transportation System with BLDC Servo Motor)

  • 김민섭;구효원;최중경;권현아;신영호
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2002년도 하계종합학술대회 논문집(5)
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    • pp.95-98
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    • 2002
  • This paper presents a study on DSP(TMS320F240) controller design for multi-axes transportation system using BLDC servo motor. This BLDC servo motor controller was realized with DSP(Digital Signal Processor) and IPM (Intelligent Power Module). The multi-axes transportation system needs torque, speed, position control of servo motor for variable action. This paper implements those servo control with vector control and space vector modulation technique. As CPU of controller DSP(TMS320F240) is adopted because, it has PWM(Pulse Width Modulation) waveform generator, A/D(Analog to Digital) converter, SPI(Serial Peripheral Interface) port and input/output port etc. The controller of multi-axes transportation system consists of 3-level hierarchy structure that main host PC manages three sub DSP system which transfer downword command and are monitoring the states of end servo controllers. Each sub DSP system operates eight BLDC servo controllers which control BLDC servo motor using DSP and IPM Between host system and middle digital signal processor communicate with RS-422, between main processor and controller communicate with SPI port.

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원자로 스팀 제너레이터 홀의 수리 및 자동 검사를 위한 원격제어 로봇시스템 설계 (Design of a Remotely-Controlled Robot System for Automatic Inspection and Repair of Steam Generator Hole in Nucuear Power Plant)

  • 김종규
    • 한국생산제조학회지
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    • 제9권2호
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    • pp.125-137
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    • 2000
  • In this paper we propose a new approach to the development of the automatic vision system to examine and repair the steam generator tubes at remote distance. In nuclear power plants workers are reluctant of works in steam generator because of the high radiation environment and limited working space. It is strongly recommended that the examination and maintenance works be done by an automatic system for the protection of the operator from the radiation exposure. Digital signal processors are used in implementing real time recognition and examination of steam generator tubes in the proposed vision system. Performance of proposed digital vision system is illustrated by simulation and experiment for similar steam generator moldel.

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원전 스팀 제너레이터 세관 자동검사용 비젼시스템 설계에 관한 연구 (A Study on Vision System Design for Automatic Inspection of Steam Generator in Nuclear Power Plants)

  • 한성현;서운학;천영신;이만형
    • 제어로봇시스템학회논문지
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    • 제4권5호
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    • pp.658-665
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    • 1998
  • In this paper, we propose a new approach to the development of the automatic vision system to examine and repair the steam generator tubes at remote distance. In nuclear power plants, workers are reluctant of works in steam generator because of the high radiation environment and limited working space. It is strongly recommended that the examination and maintenance works be done by an automatic system for the protection of the operator from the radiation exposure. Digital signal processors are used in implementing real time recognition and examination of steam generator tubes in the proposed vision system. Performance of the proposed digital vision system is illustrated by simulation and experiment for similar steam generator model.

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원자력 발전소 증기세관 자동검사 및 보수 기술개발 (Development of Automatic Inspection and Maintenance Technology for Steam Generator in Nuclear Power Plants)

  • 서운학;정동연;이재욱;한성현
    • 대한기계학회:학술대회논문집
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    • 대한기계학회 2000년도 춘계학술대회논문집A
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    • pp.542-547
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    • 2000
  • In this paper, we propose a new approach to the development of the automatic vision system to examine and repair the steam generator tubes at remote distance. In nuclear power plants, workers are reluctant of works in steam generator because of the high radiation environment and limited working space. It is strongly recommended that the examination and maintenance works be done by an automatic system for the protection of the operator from the radiation exposure. Digital signal processors are used in implementing real time recognition and examination of steam generator tubes in the proposed vision system. Performance of proposed digital vision system is illustrated by simulation and experiment for similar steam generator model.

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원전 스팀제너레이터 세관 자동검사용 로봇 비젼시스템 설계에 관한 연구 (A Study on Vision System Design for Automatic Inspection of Steam Generator in Nuclear Power Plants)

  • 서운학
    • 한국공작기계학회:학술대회논문집
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    • 한국공작기계학회 1999년도 추계학술대회 논문집 - 한국공작기계학회
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    • pp.571-578
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    • 1999
  • In this paper, we propose a new approach to the development of the automatic vision system to examine and repair the steam generator tubes at remote distance. In nuclear power plants, workers are reluctant of works in steam generator because of the high radiation environment and limited working space. It is strongly recommended that the examination and maintenance works be done by an automatic system for the protection of the operator from the radiation exposure. Digital signal processors are used in implementing real time recognition and examination of steam generator tubes in the proposed vision system. Performance of proposed digital vision system is illustrated by simulation and experiment for similar steam generator model.

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원자력 발전소 스팀제너레이터의 자동검사를 위한 지능형 로봇 비젼 시스템 설계 (Design of Intelligent Robot Vision System for Automatic Inspection of Steam Generator of Nuclear Plant)

  • 한성현
    • 한국생산제조학회지
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    • 제9권6호
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    • pp.19-33
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    • 2000
  • In this paper, we propose anew approach to the development of the automatic vision system to examine and repair the steam generator tubes at remote distance. In nuclear power plants, workers are reluctant of works in steam generator because of the high radiation environment and limited working space. It is strongly recommended that the examination and maintenance works be done by an automatic system for the protection of the operator from the radiation exposure. Digital signal processors are used in implementing real time recognition and examination of steam generator tubes in the proposed vision system. Performance of proposed digital vision system is illustrated by simulation and experiment for similar steam generator model.

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