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    • 1. 发明授权
    • Control system for plant
    • 植物控制系统
    • US5410883A
    • 1995-05-02
    • US941897
    • 1992-09-08
    • Seiitsu NigawaraShigeaki NambaHiroshi Kohmoto
    • Seiitsu NigawaraShigeaki NambaHiroshi Kohmoto
    • F01K13/02G05B9/02G05B13/02F01K13/00
    • F01K13/02G05B9/02
    • In a plant for which process control is made, a margin of an operation allowable limit for a process variable is variably established according to situations for each apparatus constituting the plant. In addition, allowable upper limits of operation considering a life consumption state and an operation schedule of each apparatus are established for respective apparatus on the basis of a life of the whole plant. The life of each apparatus and the life of the whole plant are controlled with a goal to expire all equipment substantially at the same time by reflecting the allowable operating conditions of the apparatus constituting the plant on the plant control. Therefore, it is possible to realize rational and useful plant operation.
    • 在进行过程控制的设备中,根据构成设备的每个设备的情况可变地建立过程变量的操作允许极限的余量。 此外,根据整个工厂的使用寿命,针对各个装置建立了考虑到使用寿命状态和每个装置的运行时间表的允许上限运行。 控制每台设备的寿命和整个工厂的使用寿命,目的是通过反映在工厂控制中构成设备的设备的允许运行条件,同时大幅度地使所有设备过期。 因此,可以实现合理有用的设备运行。
    • 3. 发明授权
    • Data input system
    • 数据输入系统
    • US5249260A
    • 1993-09-28
    • US796886
    • 1991-11-25
    • Seiitsu NigawaraShigeaki Namba
    • Seiitsu NigawaraShigeaki Namba
    • G06N5/02
    • G06N5/02Y10S706/907Y10S707/99945Y10S707/99948
    • In an expert system of an operating system e.g. an industrial plant it is desired to input data in the form of relationships between operating parameters of the system to a database. However, if such data are input by inexperienced users, there is the possibility of incorrect data being input. Therefore, a memory stores a plurality of fundamental rules, each being a predetermined relationship between the operating parameters. Then when a datum is input, the fundamental rule(s) corresponding to the operating parameters of the datum are investigated, and the datum is transmitted to the database when each such corresponding fundamental rule is satisfied. In a further development, prevent transmitting datum to a database when each such corresponding fundamental rule is not satisfied.
    • 在例如操作系统的专家系统中。 希望以工业工厂的形式将数据的操作参数输入数据库。 然而,如果这些数据是由无经验的用户输入的,则可能输入不正确的数据。 因此,存储器存储多个基本规则,每个基本规则是操作参数之间的预定关系。 然后当输入基准时,调查与基准的运行参数相对应的基本规则,并且当满足每个这样的相应基本规则时,数据被传送到数据库。 在进一步的发展中,当每个这样的对应的基本规则不满足时,防止将数据发送到数据库。
    • 4. 发明授权
    • Knowledge data base processing system and expert system
    • 知识数据库处理系统和专家系统
    • US5493729A
    • 1996-02-20
    • US277366
    • 1994-07-20
    • Seiitsu NigawaraShigeaki NambaHiroshi Kohmoto
    • Seiitsu NigawaraShigeaki NambaHiroshi Kohmoto
    • G06F9/44G06F17/30G06N5/04G06F15/18
    • G06N5/04
    • Described is a processing system for knowledge data base in which indices representing the degrees of certainty of causal relations between an event and plural events relevant to the first-mentioned event are stored. The system has an input unit for inputting information on those actually experienced among events inferred based on the knowledge data base, an updating unit for updating the indices so that, among the plural causal relations, the certainty of the causal relation corresponding to the actually experienced event inputted by the input means is made higher relative to the certainties of the other causal relations, and a storing unit for storing back the thus-updated indices again in the knowledge data base. This allows an expert system with the processing system to perform inference with higher certainty.
    • 描述了一种用于知识数据库的处理系统,其中存储表示事件和与先前提到的事件相关的多个事件之间的因果关系确定性的程度的索引。 该系统具有用于输入基于知识数据库推断的事件中实际经历的那些的信息的输入单元,用于更新指数的更新单元,使得在多个因果关系中,与实际经验相对应的因果关系的确定性 通过输入装置输入的事件相对于其他因果关系的确定性更高,以及存储单元,用于在知识数据库中再次存储这样更新的索引。 这允许具有处理系统的专家系统以更高的确定性执行推理。
    • 5. 发明授权
    • Knowledge information generating system
    • 知识信息生成系统
    • US5414798A
    • 1995-05-09
    • US460093
    • 1990-01-29
    • Seiitsu NigawaraShigeaki NambaMasayuki Fukai
    • Seiitsu NigawaraShigeaki NambaMasayuki Fukai
    • G05B13/00G05B13/02G05B23/02
    • G05B13/028Y10S706/906
    • A knowledge information generating system including: a fundamental rule storage for making and storing, for each process data to be controlled, another process data relating to the former and the relations between these process data in advance as fundamental rules; a process data input processor for inputting and storing the process data to be controlled; a knowledge information collection necessity decider for detecting that the process data obtained from the process data input processor have changed or deviated from a predetermined relation; a knowledge information editor for fetching the fundamental rules relating to the process data, which are decided to be collected by the knowledge information collection necessity decider, from the fundamental rule storage, to edit the process data on the basis of the relations between the data group stored in the process data input processor and the process data stored in the fundamental rules; and a knowledge data base for storing the knowledge information obtained from the knowledge information editor.
    • PCT No.PCT / JP88 / 00597 Sec。 371 1990年1月29日第 102(e)日期1990年1月29日PCT提交1988年6月17日PCT Pub。 WO89 / 12852 PCT出版物 日期:1989年12月28日。一种知识信息生成系统,包括:基本规则存储器,用于为每个处理要控制的数据进行数据的制作和存储,将与前者相关的另一处理数据和这些处理数据之间的关系预先作为基本规则 ; 用于输入和存储要控制的处理数据的处理数据输入处理器; 用于检测从处理数据输入处理器获得的处理数据已经改变或偏离了预定关系的知识信息收集必要性判定器; 知识信息编辑器,用于从基本规则存储器中取出与决定由知识信息收集必要性判定器收集的过程数据相关的基本规则,以根据数据组之间的关系编辑过程数据 存储在过程数据输入处理器和过程数据存储在基本规则中; 以及用于存储从知识信息编辑器获得的知识信息的知识数据库。
    • 9. 发明授权
    • Method of synchronous circuit opening of generator circuit breaker, and its control apparatus
    • 发电机断路器同步开路方法及其控制装置
    • US06501628B1
    • 2002-12-31
    • US09722550
    • 2000-11-28
    • Shigeaki NambaKengo UdaMasayuki Fukai
    • Shigeaki NambaKengo UdaMasayuki Fukai
    • H02H706
    • H02H3/021H01H33/006H02H7/062H02J3/38Y10T307/50
    • To provide a method of synchronous circuit opening of generator circuit breaker and its control apparatus that can protect a sound generator system of a generator main circuit from a phenomenon that current may not pass through current zero for many cycles. There is provided a construction where a generator exciting current control is incorporated into a control mechanism. In case that an occurrence possibility of a phenomenon that current may not pass through current zero for many cycles can be anticipated, time delay is intentionally caused by timer so as to prevent synchronism of the phenomenon, using an output signal of a generator lock-out relay which covers individual element of an electrical fault causing the phenomenon or in which circuit all those elements are integrated. In case that the phenomenon can be anticipated by calculation, a reactive power output of a generator is increased and consequently AC current amplitude of a sound generator is increased so as to eliminate the phenomenon.
    • 提供一种可以保护发电机主电路的发电机系统的发电机断路器的同步电路断开方法和电流不能经过电流零多次的现象。提供了一种结构,其中 发电机励磁电流控制被并入到控制机构中。 在可以预期电流可能不经过许多周期的电流零的现象的发生可能性的情况下,有时由定时器引起时间延迟,以便使用发生器锁定的输出信号来防止该现象的同步 继电器,其覆盖导致现象的电气故障的单个元件或所有这些元件被集成在哪个电路中。 在通过计算可以预期该现象的情况下,发电机的无功功率输出增加,因此增加了声发生器的交流电流振幅,从而消除了这种现象。
    • 10. 发明授权
    • Power generation plant and control apparatus therefor
    • 发电厂及其控制装置
    • US5783932A
    • 1998-07-21
    • US619185
    • 1996-03-21
    • Shigeaki NambaKengo Uda
    • Shigeaki NambaKengo Uda
    • F02C7/26H02J9/06H02J9/08H02J11/00H02P9/04
    • H02J9/066Y10T307/615
    • The object of the invention is to provide an electric power plant and a control apparatus therefor which can obtain an emergency power supply reliably through use of the turbine starter. Another generator different from the main generator coupled to the rotor shaft of the turbine is provided to the input side of the starter via a motor, and a control apparatus is provided for electrically connecting the starter and the generators responsive to a bus voltage from the in-house power supply unit which supplies electricity to a plurality of auxiliary equipment operating in the electric power plant. Thereby, an emergency power supply can be obtained reliably by the simple configuration of the invention without installing emergency power generation facilities such as a diesel engine, gas turbine or the like. In addition, an LCI device which has been utilized only at the time of turbine start up can be utilized advantageously also at the time of emergency when the in-house power supply is lost.
    • 本发明的目的是提供一种能够通过使用涡轮起动器可靠地获得应急电源的发电厂及其控制装置。 通过电动机将与发电机的转子轴相连的主发电机不同的另一发电机通过电动机提供给起动机的输入侧,并且提供控制装置,用于根据来自内燃机的总线电压来电连接起动器和发电机 电力供应单元,其向在电力设备中操作的多个辅助设备供电。 因此,通过本发明的简单结构可以可靠地获得应急电源,而无需安装诸如柴油发动机,燃气轮机等的应急发电设备。 此外,仅在汽轮机启动时才被利用的LCI装置在内部电源丢失时也可以在紧急时有利地利用。