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    • 81. 发明公开
    • 이중화 제어기 시스템
    • 冗余控制器系统
    • KR1020130101756A
    • 2013-09-16
    • KR1020120022745
    • 2012-03-06
    • 엘에스산전 주식회사
    • 이일화전태영이은재
    • G05B9/03
    • G05B9/03
    • PURPOSE: A duplex controller system minimizes the conversion by forming a duplex connection system between a controller, a change over logic (COL) device, and a fieldbus. CONSTITUTION: A first COL device (120) and a second COL device (130) determine the conversion of a first controller (100) and a second controller (110). A first fieldbus (140) transmits a signal outputted from the first COL device. A second fieldbus (150) transmits a signal outputted from the second COL device. The first COL device and the second COL device are connected to the first controller and the second controller and transmit and receive condition information of the first COL device and the second COL device to/from each other. The first controller and the second controller are connected to each other, and the first COL device and the second COL device are connected to each other.
    • 目的:双工控制器系统通过在控制器,逻辑(COL)设备和现场总线之间形成双工连接系统来最小化转换。 构成:第一COL设备(120)和第二COL设备(130)确定第一控制器(100)和第二控制器(110)的转换。 第一现场总线(140)发送从第一COL设备输出的信号。 第二现场总线(150)发送从第二COL设备输出的信号。 第一COL设备和第二COL设备连接到第一控制器和第二控制器,并且将第一COL设备和第二COL设备的状态信息彼此发送和接收。 第一控制器和第二控制器彼此连接,并且第一COL设备和第二COL设备彼此连接。
    • 82. 发明公开
    • 이중화 시스템 및 이중화 시스템의 절체 방법
    • 双系统和双变量方法
    • KR1020130096528A
    • 2013-08-30
    • KR1020120018057
    • 2012-02-22
    • 한화테크윈 주식회사
    • 김도형
    • G05B9/03
    • G05B9/03G05B2219/25172H04L5/14
    • PURPOSE: A redundancy system and a switching method thereof are provided to reduce errors in the redundancy system through periodic synchronization. CONSTITUTION: A switching method of a redundancy system comprises the steps of: defining a plurality of faults of a redundancy system and classifying the plurality of faults into groups according to severity (S201); setting a fault weight of each group (S202); producing a sum of fault weights regarding faults having occurred in each of two system forming the redundancy system (S203); comparing the difference between two absolute values of sums of the fault weights of the two system with a reference value (S204); if the difference is greater than the reference value, operating a system of which the absolute value of the sum of the fault weights is smaller than that of the other system as an active system (S205); and if the difference is smaller than the reference value, keep operating a current active system (S206). [Reference numerals] (AA) Start; (BB) End; (S201) Defining faults of a redundancy system and classifying; (S202) Setting a fault weight of faults; (S203) Adding a fault weight of faults; (S204) Absolute value of the sum of the fault weights > a reference value?; (S205) Operating a system of which the absolute value of the sum of the fault weights is smaller than that of the other system as an active system; (S206) Keep operating a current active system
    • 目的:提供冗余系统及其切换方法,以通过周期性同步来减少冗余系统中的错误。 构成:冗余系统的切换方法包括以下步骤:定义冗余系统的多个故障,并根据严重性将多个故障分组成组(S201); 设定各组的故障重量(S202); 产生关于形成冗余系统的两个系统中的每一个中发生的故障的故障权重的总和(S203); 将两个系统的故障权重之和的两个绝对值之间的差与参考值进行比较(S204); 如果差异大于参考值,则操作其中故障权重之和的绝对值小于作为活动系统的其他系统的绝对值​​的系统(S205); 并且如果差值小于参考值,则保持操作当前的活动系统(S206)。 (附图标记)(AA)开始; (BB)结束; (S201)定义冗余系统的故障并进行分类; (S202)设定故障的故障重量; (S203)增加故障的故障重量; (S204)故障权重之和的绝对值>参考值α; (S205)将作为主动系统的故障权重之和的绝对值小于其他系统的系统进行操作; (S206)继续操作当前的活动系统
    • 83. 发明公开
    • 시그너처-기반 중복 비교 시스템 및 방법
    • 基于签名的冗余比较的系统和方法
    • KR1020130094249A
    • 2013-08-23
    • KR1020130015884
    • 2013-02-14
    • 인피니언 테크놀로지스 아게
    • 빌렐라안토니오팔레르레이네르고에셀마이클박사브루어튼사이몬파롤글렌애쉴리헤이스티닐스튜어트트레이코브보이코애디슨데이비드오베를랜데르클라우스라베날트토마스박사
    • G01R31/3183H03K5/13
    • H03M13/3746G05B9/03G05B19/0428G06F11/00G06F11/1048G06F11/1479G06F11/1641H03M13/033H03M13/155H03M13/19H03M13/258H03M13/2948H03M13/2957H03M13/2966H03M13/299H03M13/37H03M13/3738H03M13/3784H03M13/6575
    • PURPOSE: A redundant system based on signatures and a method thereof are provided to implement a high error detecting rate while reducing a power consumption and areas relative to the integration of a duplicated type structure inside an integrity electron system. CONSTITUTION: A redundant system comprises a master part (102) receiving an input signal and generating a binary output signal; a first clock delay device (112) receiving the input signal and generating a delayed input signal; a first signature generator (106) connected to the master part, receiving the binary output signal, and generating a first signature; a second clock delay device (114) connected to the first signature generator, receiving the first output signature, and generating the delayed first output signature; a checker part (104) connected to the first clock delay device, receiving the delayed input signal, and generating the binary output signal; a second signature generator (108) connected to the checker part, receiving the binary output signal, and generating the delayed second output signature; and a comparator (110) connected to the second clock delay device and the second signature generator. The comparator receives the delayed first output signature and the delayed second signature, generates an error signal, and a state of the error signal is based on a comparison of the delayed first output signature and the delayed second signature. [Reference numerals] (100) Duplex system; (101) Safety related component (such as microcontroller); (102) Master part; (104) Checker part; (AA) Functional input; (BB) Functional output; (CC) Internal error notification; (DD) Error; (EE) External error notification; (FF) Safety state control
    • 目的:提供一种基于签名的冗余系统及其方法,以实现高错误检测率,同时降低功耗和相对于完整性电子系统内复制型结构集成的区域。 构成:冗余系统包括接收输入信号并产生二进制输出信号的主部件(102); 接收所述输入信号并产生延迟输入信号的第一时钟延迟装置(112); 连接到所述主要部分的第一签名生成器(106),接收所述二进制输出信号,以及生成第一签名; 连接到所述第一签名生成器的第二时钟延迟装置(114),接收所述第一输出签名,以及生成所述延迟的第一输出签名; 连接到第一时钟延迟装置的检验器部分(104),接收延迟的输入信号,并产生二进制输出信号; 连接到检验部分的第二签名生成器(108),接收二进制输出信号,并产生延迟的第二输出签名; 以及连接到第二时钟延迟装置和第二签名生成器的比较器(110)。 比较器接收延迟的第一输出签名和延迟的第二签名,产生错误信号,并且错误信号的状态基于延迟的第一输出签名和延迟的第二签名的比较。 (附图标记)(100)双面系统; (101)安全相​​关组件(如微控制器); (102)主要部分; (104)检查部分; (AA)功能输入; (BB)功能输出; (CC)内部错误通知; (DD)错误; (EE)外部错误通知; (FF)安全状态控制
    • 86. 发明公开
    • PLC 시스템 및 그 구동방법
    • PLC系统及其操作方法
    • KR1020100101992A
    • 2010-09-20
    • KR1020090020468
    • 2009-03-10
    • 엘에스산전 주식회사
    • 임진모
    • G05B19/05G05B19/418
    • Y02P90/02Y02P90/14Y02P90/185G05B19/05G05B9/03G05B2219/14015
    • PURPOSE: A PLC system and a method for operating the same are provided to replace a module forming a first system without stop of a first system by transmitting a first system data through a second data path when a first data path is disconnected. CONSTITUTION: A first base comprises a first module and a second module equipped with a data receiving and transmitting circuit. A second base includes third and fourth modules having the receiving and transmitting circuit respectively. A first data connection unit(C2) connects the data transmitting circuit of the first module and the data receiving circuit of the third module. The second data connection unit connects the data transmitting circuit of the second module and the data receiving circuit of the fourth module.
    • 目的:提供PLC系统及其操作方法,以便在第一数据路径断开时通过第二数据路径发送第一系统数据来替代形成第一系统的模块而不停止第一系统。 构成:第一基座包括配备有数据接收和发送电路的第一模块和第二模块。 第二基座包括分别具有接收和发送电路的第三和第四模块。 第一数据连接单元(C2)连接第一模块的数据发送电路和第三模块的数据接收电路。 第二数据连接单元连接第二模块的数据发送电路和第四模块的数据接收电路。
    • 87. 发明公开
    • FPGA를 이용한 발전소 보호 시스템 및 보호 방법
    • 使用FPGA保护电厂的系统和方法
    • KR1020100044544A
    • 2010-04-30
    • KR1020080103725
    • 2008-10-22
    • 한국전력기술 주식회사
    • 김항배김재학한석규정시채이윤희최웅석
    • G21D3/04
    • G21D3/04G05B9/03G05B19/048Y02E30/40
    • PURPOSE: A system and a method for protecting various protective logics are provided to remove weakness of a cyber security and a common failure due to software using an FPGA(Field Programmable Gate Array) and hardware. CONSTITUTION: A power plant protection system has four channels. Each channel comprises a comparison logic unit, a simultaneous logic unit(200) and a start circuit unit(300). The comparison logic unit generates a comparison logic information by comparing a process valuable and a set value. The simultaneous logic unit generates simultaneous logic information related to the power plant protection device by performing a local simultaneous logic for the comparison logic information generated in four channels. The start circuit unit starts the power plant protection by performing simultaneous logic for the simultaneous logic information.
    • 目的:提供一种用于保护各种保护逻辑的系统和方法,以消除由于使用FPGA(现场可编程门阵列)和硬件的软件而引起的网络安全漏洞和常见故障。 规定:电厂保护系统有四个通道。 每个通道包括比较逻辑单元,同时逻辑单元(200)和启动电路单元(300)。 比较逻辑单元通过比较过程有价值和设定值来生成比较逻辑信息。 同步逻辑单元通过对在四个通道中生成的比较逻辑信息执行本地同步逻辑来产生与发电厂保护装置相关的同时的逻辑信息。 启动电路单元通过同时执行逻辑信号启动电厂保护。