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    • 4. 发明授权
    • Image transmission system
    • 图像传输系统
    • US4673974A
    • 1987-06-16
    • US816841
    • 1986-01-07
    • Tetsuo ItoSetsuo AritaWataru Kitaura
    • Tetsuo ItoSetsuo AritaWataru Kitaura
    • H04N7/18G08B13/196H04J3/00H04N7/24G08B1/08
    • G08B13/19693G08B13/19634G08B13/19645G08B13/19667H04N7/24
    • Plural television cameras situated at monitored sites, each assigned with a particular code, generate image signals of the sites. An image signal transmitting unit receives those signals and transmits an image transmission signal over a transmission a monitoring site. The transmission signal is so formed that one channel of the transmission line which is divided into plural channels is assigned to the transmission of an image signal of high priority sites so as, to reproduce a full motion image of the remote site at the monitoring site and all the signals from the other sites are transmitted on a time-sharing basis through the remaining channels to reproduce frame repetition images. The assignment of the channels is determined by the order (priority) of codes included in an instruction signal from an instruction signal transmitting unit at the monitoring site. An operator can select the order (priority) of the codes.
    • 位于受监控场所的多台电视摄像机,每个都分配一个特定的代码,生成场景的图像信号。 图像信号发送单元接收这些信号,并通过监视点的发送发送图像发送信号。 传输信号被形成为将被分成多个信道的传输线的一个信道分配给高优先级位置的图像信号的传输,以便在监视点再现远程站点的全运动图像,以及 来自其他站点的所有信号通过剩余信道以分时的方式发送以再现帧重复图像。 信道的分配由包括在来自监视点的指示信号发送单元的指令信号中的代码的顺序(优先级)决定。 操作员可以选择代码的顺序(优先级)。
    • 5. 发明授权
    • Signal diagnostic method and apparatus for multiple transmission system
    • 多传输系统信号诊断方法及装置
    • US4520483A
    • 1985-05-28
    • US421375
    • 1982-09-22
    • Setsuo AritaTetsuo Ito
    • Setsuo AritaTetsuo Ito
    • H04L1/22H04B1/74H04L1/00H04L1/02H04L7/033H04L7/04H04M3/22
    • H04L1/02H04L7/04
    • The present invention relates to a signal diagnostic method for a triple information transmission system. According to this method, using a transmission signal transmitted latest among three transmission signals of three channels, the synchronizing signal parts of the respective transmission signals are synchronized so as to align the heads of information signal parts of the transmission signals, whereupon any error in the information signal parts of the transmission signals is detected. The three transmission signals of the three channels are temporarily stored in three registers. The storage time intervals of the transmission signals in the registers are determined by the transmission time differences between the respective transmission signals and the latest transmission signal. Upon lapse of the predetermined storage time intervals, the transmission signals are fetched from the respective registers.
    • 本发明涉及三重信息传输系统的信号诊断方法。 根据该方法,使用三个信道的三个发送信号中最近发送的发送信号,各个发送信号的同步信号部分被同步,以便对准发送信号的信息信号部分的头部,因此在 检测发送信号的信息信号部分。 三个通道的三个传输信号暂时存储在三个寄存器中。 寄存器中的发送信号的存储时间间隔由各个发送信号与最新发送信号之间的发送时间差确定。 在经过预定的存储时间间隔之后,从各个寄存器中取出发送信号。
    • 6. 发明授权
    • Multicontroller apparatus, multicontroller system, nuclear reactor
protection system, inverter control system and diagnostic device
    • 多控制器装置,多控制器系统,核反应堆保护系统,逆变器控制系统和诊断装置
    • US5287264A
    • 1994-02-15
    • US44897
    • 1993-04-07
    • Setsuo AritaTetsuo Ito
    • Setsuo AritaTetsuo Ito
    • G05B9/03G21D3/00G06F15/46G21C17/00
    • G05B9/03G21D3/00G21Y2002/206G21Y2004/40Y02E30/39
    • A multicontroller apparatus has a plurality of control units each including a controller and a diagnostic device for making a diagnosis of the controller. Each diagnostic device includes an apparatus for judging states of other control units by using output signals of diagnostic devices included in the other control units and an apparatus for executing a diagnosis of the associated controller which is a diagnosis object of the diagnostic device when the judging apparatus has judged that one or more other control units are not in the diagnosis state. Owing to the present invention, a necessary number of controllers which are in the controllable state can always be ensured in a multicontroller apparatus. Therefore, control by the multicontroller apparatus is always possible, and it becomes possible to make a diagnosis upon the multicontroller apparatus.
    • 多控制器装置具有多个控制单元,每个控制单元包括用于进行控制器诊断的控制器和诊断装置。 每个诊断装置包括用于通过使用包括在其他控制单元中的诊断装置的输出信号来判断其他控制单元的状态的装置和用于执行作为诊断装置的诊断对象的关联控制器的诊断的装置, 已经判断一个或多个其他控制单元不处于诊断状态。 由于本发明,在多控制器装置中始终可以确保处于可控状态的必要数量的控制器。 因此,多控制器装置的控制总是可能的,并且可以对多控制器装置进行诊断。
    • 7. 发明授权
    • Multiple digital controller system
    • 多个数字控制器系统
    • US4432048A
    • 1984-02-14
    • US272006
    • 1981-06-09
    • Tetsuo ItoSetsuo Arita
    • Tetsuo ItoSetsuo Arita
    • G05B7/02G05B9/03G06F11/20G05B23/02G06F15/46
    • G06F11/2038G05B9/03G06F11/2023G06F11/2097G06F11/2048
    • In a multiple digital controller system which comprises a main or first digital controller and at least one stand-by or second digital controller and in which the main digital controller normally applies the control signal to an object to be controlled, and the stand-by digital controller applies the control signal to the controlled object when the main digital controller is disabled, an improvement is made so that an undesirable level variation may not substantially occur in the control signal applied to the controlled object during the transient state of switch-over from the main digital controller to the stand-by digital controller. In the improved multiple digital controller system according to the present invention, the integral calculation to be carried out in the stand-by digital controller in a period n (n=2, 3, . . . ) is executed on the basis of the data representing the result of integral calculation carried out in the preceding period (n-1) in the main digital controller and transmitted from the main digital controller, in order to eliminate the influence of the difference in conversion error occurring in the A/D converters of the digital controllers.
    • 在包括主或第一数字控制器和至少一个备用或第二数字控制器的多数字控制器系统中,其中主数字控制器通常将控制信号施加到要控制的对象,并且备用数字 当主数字控制器被禁用时,控制器将控制信号施加到受控对象,进行改进,使得在从该数字控制器的切换过渡期间施加到受控对象的控制信号中基本上不会发生不期望的电平变化 主数字控制器到备用数字控制器。 在根据本发明的改进的多重数字控制器系统中,在时间段n(n = 2,3,...)中在待机数字控制器中执行的积分计算基于数据 代表在主数字控制器中前期(n-1)执行并从主数字控制器发送的积分计算的结果,以消除在A / D转换器中发生的转换误差的差异 数字控制器。
    • 10. 发明授权
    • Method of controlling nuclear power plant
    • 控制核电厂的方法
    • US4440715A
    • 1984-04-03
    • US192993
    • 1980-10-02
    • Takao SatoTetsuo ItoSetsuo Arita
    • Takao SatoTetsuo ItoSetsuo Arita
    • G21C7/26G21D1/04G21D3/00G21D3/04G21C7/00
    • G21D1/04G21D3/04Y02E30/40
    • A nuclear reactor is supplied with feed water through a feed water pump system. A primary steam flow produced from the reactor is controlled by regulating a recirculated flow of feed water. The feed water pump system comprises two main pumps each of 55%-capacity and two auxiliary pumps each of 27.5%-capacity. Normally, the two main pumps are operated. Upon occurrence of abnormal condition of at least one main pump, the auxiliary pumps are started to supply feed water. At that time, the recirculated flow is controlled for a predetermined time to a reduced rate which is smaller as compared with that of the primary steam flow decreased rapidly due to the shutdown of the main pump. Subsequently, the recirculated flow is so controlled that the primary steam flow rate is slightly smaller as compared with the feed water flow which is determined by the available capacity of the pumps.
    • 原料反应堆通过给水泵系统供给给水。 通过调节进料水的再循环流量来控制从反应器产生的初级蒸汽流。 给水泵系统包括两个主泵,每个都具有55%的容量,两个辅助泵各自具有27.5%的容量。 通常情况下,两台主泵都运行。 在发生至少一个主泵的异常状态时,辅助泵开始供给供水。 此时,再循环流量被控制一预定时间,降低了与主泵关闭时主蒸汽流量快速下降的速度相比较小的流量。 随后,如此控制再循环流动,使得一次蒸汽流量与由泵的可用容量确定的给水流量相比稍小。