KR890009209A - Redundancy Control Circuit for Redundant System - Google Patents

Redundancy Control Circuit for Redundant System Download PDF

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Publication number
KR890009209A
KR890009209A KR1019870013365A KR870013365A KR890009209A KR 890009209 A KR890009209 A KR 890009209A KR 1019870013365 A KR1019870013365 A KR 1019870013365A KR 870013365 A KR870013365 A KR 870013365A KR 890009209 A KR890009209 A KR 890009209A
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KR
South Korea
Prior art keywords
output
subsystem
control circuit
redundancy
redundancy control
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Application number
KR1019870013365A
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Korean (ko)
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KR900005357B1 (en
Inventor
류강수
심동진
신동진
이재길
Original Assignee
재단법인 한국전자통신연구소
경상현
한국전기통신공사
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Priority to KR1019870013365A priority Critical patent/KR900005357B1/en
Publication of KR890009209A publication Critical patent/KR890009209A/en
Application granted granted Critical
Publication of KR900005357B1 publication Critical patent/KR900005357B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/54558Redundancy, stand-by
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54575Software application
    • H04Q3/54591Supervision, e.g. fault localisation, traffic measurements, avoiding errors, failure recovery, monitoring, statistical analysis
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/167Redundancy

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Safety Devices In Control Systems (AREA)
  • Hardware Redundancy (AREA)

Abstract

내용 없음No content

Description

이중화 시스템을 위한 이중화 제어회로Redundancy Control Circuit for Redundant System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 이중화 시스템 구성도,1 is a configuration diagram of a redundant system of the present invention;

제2도는 이중화 제어회로의 상세도.2 is a detailed view of a redundancy control circuit.

Claims (4)

고도의 신뢰도를 요하는 이중화 시스템의 이중화 제어회로에 있어서, 출력버퍼(A1)(B2)에 기능회로(A1)(B1)와 이중화 제어회로(A4)(B4)를 접속하여 서브시스템(A)(B)을 구성하고 상기 이중화 제어회로(B4)(A4)는 (A)(B)회로 상태신호 감시 입력을 입력을 통해 상기 서브시스템(A)(B)의 상태를 감시하며 상기 이중화 제어회로(A4)(B4)는 이중화제어 신호 (A)(B)에 의해 상호 접속되어 이중한 서브시스템은 시스템에 고장이 발생하였을때 하이 임피던스를 유지하여 상대편 서브시스템으로 시스템의 출력을 절환하는 것을 특징으로 하는 이중화 시스템을 위한 이중화 제어회로.In a redundancy control circuit of a redundant system requiring high reliability, a function circuit A 1 (B 1 ) and a redundancy control circuit A4 (B4) are connected to an output buffer A 1 (B 2 ) to serve as a sub. System (A) (B) and the redundancy control circuit (B4) (A4) monitors the state of the subsystem (A) (B) through the input of the (A) (B) circuit status signal monitoring input The redundancy control circuits A4 and B4 are interconnected by redundancy control signals A and B so that the redundant subsystem maintains high impedance when the system fails and outputs the system output to the other subsystem. Redundancy control circuit for redundancy system, characterized in that for switching. 제1항에 있어서, 이중화 제어회로 (A4)(B4)의 구성은 콘덴서(Ca)(Cb)의 인버터(INV1)(INV2)저항(Ra)(Rb)수동선택 스위치 (SWA)(SWB)를 앤드게이트(AND1)(AND2)에 접속하고 상기 앤드 게이트(AND1)(AND2)는 3상태 버퍼(BUF1)(BUF2)를 통해 이중화제신호(A)(B)를 출력하도록 접속하며 상기 인버터(INV1)(INV2)는 출력제어신호(A3)(B3)를 보내도록 접속하여 상기 콘덴서(Ca)(Cb)의 용량이 적은쪽이 먼저 하이신호가 인가되어 출력제어신호(A3)(B3)를 보내도록 한것을 특징으로 하는 이중화 시스템을 위한 이중화 제어회로.The configuration of the redundancy control circuit (A4) (B4) is characterized in that the inverter (INV1) (INV2) resistor (Ra) (Rb) manual selection switch (SWA) (SWB) of the capacitor (Ca) (Cb). The AND gate AND1 AND2 is connected to the AND gate AND1, and the AND gate AND1 is connected to output the redundancy signal A or B through the three-state buffer BUF1 and BUF2, and the inverter INV1. (INV2) is connected to send the output control signals A3 and B3, and the one with the smaller capacity of the capacitor Ca and Cb first receives the high signal to send the output control signals A3 and B3. Redundancy control circuit for redundancy system characterized in that. 제1항에 있어서, 초기 전원공급 상태에서 출력제어 신호(A3)(B3)가 서로 반대되는 논리상태로 접속하고 만약 각 서브시스템(A)(B)의 출력버퍼(A2)(B2)가 로우상태에서 인에이블 된다면 상기 서브시스템(A)의 출력이 시스템 출력으로 결정되고 상기 서브시스템(B)의 출력은 대기상태가 되며 이와같은 상태에서 상기 서브시스템(A)에 고장이 발생하면 A회로 상태 신호가 로우로 되고 이 로우신호는 이중화 제어회로(B4)에 인가되어 상기 서브시스템(B)의 출력이 시스템 출력으로 자동 절환되는 것을 특징으로 하는 이중화 시스템을 위한 이중화 제어회로.2. The control circuit according to claim 1, wherein in the initial power-up state, the output control signals A3 and B3 are connected in opposite logic states, and if the output buffers A2 and B2 of each subsystem A are low, If enabled in the state, the output of the subsystem A is determined to be a system output, and the output of the subsystem B is in a standby state, and in this state, if a failure occurs in the subsystem A, the circuit A state. And the low signal is applied to the redundancy control circuit (B4) so that the output of the subsystem (B) is automatically switched to the system output. 제2항에 있어서, 수동선택 스위치(SWA)(SWB)는 수동으로 원하는 서브시스템(A)(B)의 출력을 선택해주도록 하며 상기 스위치(SWA)를 누를경우 출력제어 신호(A3)가 로우로 되어 상기 서브시스템(A)의 출력이 선택되고 상기 스위치(SWB)를 누를 겨우도 마찬가지로 상기 서브시스템(B)의 출력이 선택 되도록 한 것을 특징으로하는 이중화 시스템을 위한 이중화 제어회로.3. The manual selection switch (SWA) (SWB) allows the user to manually select the desired output of the subsystem (A) (B) and the output control signal (A3) goes low when the switch (SWA) is pressed. And the output of the subsystem (A) is selected and the output of the subsystem (B) is similarly selected even if the switch (SWB) is pressed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870013365A 1987-11-26 1987-11-26 Duplicate system control circuit KR900005357B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870013365A KR900005357B1 (en) 1987-11-26 1987-11-26 Duplicate system control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870013365A KR900005357B1 (en) 1987-11-26 1987-11-26 Duplicate system control circuit

Publications (2)

Publication Number Publication Date
KR890009209A true KR890009209A (en) 1989-07-13
KR900005357B1 KR900005357B1 (en) 1990-07-27

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Application Number Title Priority Date Filing Date
KR1019870013365A KR900005357B1 (en) 1987-11-26 1987-11-26 Duplicate system control circuit

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KR (1) KR900005357B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100244196B1 (en) * 1997-08-11 2000-02-01 윤종용 A redundancy circuit for major component in the system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100244196B1 (en) * 1997-08-11 2000-02-01 윤종용 A redundancy circuit for major component in the system

Also Published As

Publication number Publication date
KR900005357B1 (en) 1990-07-27

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