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    • 2. 发明授权
    • System for monitoring power of nuclear reactor
    • 核反应堆电力监控系统
    • US06339629B1
    • 2002-01-15
    • US09203532
    • 1998-12-01
    • Yutaka TakeuchiShigeru KanemotoMitsuhiro EnomotoShiho Miyamoto
    • Yutaka TakeuchiShigeru KanemotoMitsuhiro EnomotoShiho Miyamoto
    • G21C17108
    • G21C17/108G21Y2002/204G21Y2002/304G21Y2004/30G21Y2004/40
    • In a system for monitoring power of a nuclear reactor, a plurality of neutron flux measuring devices are arranged in a reactor core of the nuclear reactor for measuring neutron flux so as to generate neutron flux signals on the basis of the measured neutron flux. The neutron flux signals are filtered through a first weighting coefficient and a second weighting coefficient previously held in a monitoring signal calculating unit so as to generate stability monitoring signals. The first weighting coefficient corresponds to a fundamental mode of a neutron flux distribution in the reactor core and tire second weighting coefficient corresponds to a higher mode of the neutron flux distribution therein. The stability monitoring signal filtered through the first and second weighting coefficients are transmitted to a stability monitoring unit the stability monitoring unit monitors the stability of the core according to the transmitted stability monitoring signals.
    • 在用于监测核反应堆的功率的系统中,多个中子通量测量装置被布置在用于测量中子通量的核反应堆的反应堆堆芯中,以便根据测得的中子通量产生中子通量信号。 中子通量信号通过预先保持在监视信号计算单元中的第一加权系数和第二加权系数进行滤波,以产生稳定性监视信号。 第一加权系数对应于反应堆堆芯中的中子通量分布的基本模式,轮胎第二加权系数对应于其中的中子通量分布的较高模式。 通过第一加权系数和第二加权系数滤波的稳定性监视信号被传送到稳定性监视单元,稳定性监视单元根据发送的稳定性监视信号来监视核心的稳定性。
    • 3. 发明授权
    • Physical random number generator, method of generating physical random numbers and physical random number storing medium
    • 物理随机数生成器,生成物理随机数的方法和物理随机数存储介质
    • US06195669B1
    • 2001-02-27
    • US09150928
    • 1998-09-10
    • Toru OnoderaShigeru KanemotoShigeaki Tsunoyama
    • Toru OnoderaShigeru KanemotoShigeaki Tsunoyama
    • G06J100
    • G06F7/588
    • A physical random number generator including a noise source configured to generate a noise signal, an alternating current AC coupling amplifying device which amplifies the noise signal while removing a direct current DC component therefrom by AC coupling to generate an amplified noise signal, an analog/digital A/D conversion device having an accuracy of not less than two bits which A/D converts the amplified noise signal to digital values composed of bit data of not less than two bits, and a processing device which processes the amplified noise signal and which processes digital values converted from a processed amplified noise signal to generate random number data of not less than two bits with an increased differential nonlinearity as compared to digital values unprocessed by the processing device.
    • 一种物理随机数发生器,包括被配置为产生噪声信号的噪声源,交流AC耦合放大装置,用于放大噪声信号,同时通过AC耦合去除其直流DC分量从而产生放大的噪声信号;模拟/数字 A / D转换装置,其具有将放大的噪声信号A / D转换成由不少于2位的位数据构成的数字值的2位以上的精度,以及处理放大后的噪声信号的处理装置, 与经处理的放大噪声信号转换的数字值相比,由处理装置未处理的数字值产生具有增加的差分非线性的不少于两位的随机数数据。
    • 4. 发明授权
    • Torsional vibration measuring instrument
    • 扭转振动测量仪
    • US07104133B2
    • 2006-09-12
    • US10509126
    • 2003-03-28
    • Hidehiko KurodaShigeru KanemotoMichio SatoKiyoto Oyagi
    • Hidehiko KurodaShigeru KanemotoMichio SatoKiyoto Oyagi
    • G01N29/00G01B9/02
    • G01H9/00G01L3/12
    • A torsional vibration measuring instrument has a plurality of reflecting means (6, 7) arranged with stipulated intervals along surface of a rotator (5) of which torsional vibration is to be measured; a pulse light irradiating means (1, 2) for irradiating a repetitive pulse light beam to the reflecting means; and an outgoing-transmitting means (3, 4) for transmitting the irradiated pulse light beam. The torsional vibration measuring instrument also has a plurality of transmitting-receiving means (8, 9) for irradiating the transmitted pulse light beam to the reflecting means, and for receiving reflected pulse light beams which have been reflected by the reflecting means; and an incoming-transmitting means (3, 4) for transmitting the reflected pulse light beams which have been received. The torsional vibration measuring instrument also has a plurality of detecting means (12, 13) for detecting the reflected pulse light beams which have been transmitted by the incoming-transmitting means; and a signal processing means (14) for processing pulse output signals which have been outputted from the detecting means and for calculating torsional vibration frequency of the rotator to be measured.
    • 扭转振动测量仪器具有多个反射装置(6,7),其沿着要测量扭转振动的转子(5)的表面布置有规定的间隔; 用于将重复脉冲光束照射到反射装置的脉冲光照射装置(1,2) 以及用于发射照射的脉冲光束的输出发送装置(3,4)。 扭转振动测量仪器还具有多个发射接收装置(8,9),用于将透射的脉冲光束照射到反射装置,并用于接收被反射装置反射的反射的脉冲光束; 以及用于发送已经接收的反射的脉冲光束的输入发送装置(3,4)。 扭转振动测量仪器还具有多个检测装置,用于检测由入射发射装置传送的反射的脉冲光束; 以及信号处理装置(14),用于处理从检测装置输出的脉冲输出信号,并计算要测量的转子的扭转振动频率。
    • 5. 发明授权
    • Method for monitoring equipment state by distribution measurement data,
and equipment monitoring apparatus
    • US5822450A
    • 1998-10-13
    • US519894
    • 1995-08-28
    • Akio ArakawaHideyuki TsurumakiYoshiaki HattoriShigeru KanemotoIchiro TaiRiyoko Haneda
    • Akio ArakawaHideyuki TsurumakiYoshiaki HattoriShigeru KanemotoIchiro TaiRiyoko Haneda
    • G06T7/00G06K9/00
    • G06T7/0006G06T2207/20136G06T2207/30164
    • A method for monitoring equipment state by distribution measurement data comprises: the steps of momentarily taking in two-dimensional distribution measurement data relating to the state of equipments including an equipment to be monitored; allowing the two-dimensional distribution measurement data and a display result by a three-dimensional shape model of the equipment to be monitored to undergo positioning and carrying out overlaid display in such a manner that they are caused to correspond to each other; designating an equipment portion to be inspected from the display content; allowing measurement data of the equipment to be monitored to undergo mapping onto the three-dimensional shape model corresponding to the designated equipment portion; and detecting changes in the measurement data to judge presence or absence of unusual condition of the equipment. Moreover, an equipment state monitoring apparatus comprises: a distribution measurement unit for measuring distribution of temperature, vibration or sound, etc. at the plant equipment surface; a distribution measurement image data positioning unit for determining position and direction of the distribution measurement unit in order to allow distribution measurement image data from the distribution measurement unit to undergo positioning so that it is in correspondence with a projection chart of a corresponding plant equipment spatial shape model; a texture-mapping unit for allowing the distribution measurement image data to undergo texture-mapping onto the surface of the spatial shape model of the plant equipment on the basis of the position and the direction of the measurement unit determined by the distribution measurement image data positioning unit; a projecting unit for describing a projection chart of the texture-mapped plant equipment spatial shape model; and an image display unit for displaying the projection chart from the projecting unit.