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    • 1. 发明授权
    • Process control system and power plant process control system
    • 过程控制系统和发电厂过程控制系统
    • US5305230A
    • 1994-04-19
    • US615868
    • 1990-11-20
    • Hiroshi MatsumotoMakoto ShimodaMasahide NomuraTadayoshi SaitoHiroshi YokoyamaAkira KajiHisanori MiyagakiSeiitsu NigawaraHiroshi Hanaoka
    • Hiroshi MatsumotoMakoto ShimodaMasahide NomuraTadayoshi SaitoHiroshi YokoyamaAkira KajiHisanori MiyagakiSeiitsu NigawaraHiroshi Hanaoka
    • F01K13/02G05B13/02G06F15/46
    • G05B13/0285Y10S706/906
    • A process control system controls a large scale plant such as thermal power plant. This process control system includes a target setting unit for setting an operation target, a control unit for receiving a signal indicating the operation target and for outputting a controlled variable to operate the process, an evaluation unit for quantitatively evaluating operation characteristics corresponding to the operation target of the process operated on the basis of a signal indicating the controlled variable supplied from the control unit, a modification unit for extracting an optimum operation process qualitatively squaring or conforming with the evaluated value derived by the evaluation unit out of a modification rule predetermining operation unit in qualitative relation between the operation characteristics and the operation target of the process and for determining the modification rate of the control unit, a storage unit having a model of a neural network for storing a relation between the operation target and the modification rate derived by the modification unit as a connection state within a circuit, and a learning unit for making the model of the neural network learn the relation between the operation target and the modification rate.
    • 过程控制系统控制大型工厂如火力发电厂。 该过程控制系统包括用于设置操作对象的目标设定单元,接收指示操作对象的信号并输出​​控制变量来进行操作的控制单元,对与操作对象对应的操作特性进行定量评价的评价单元 基于从控制单元提供的控制变量的信号操作的处理;修改单元,用于从修改规则预定操作单元中提取定性平方或符合由评估单元导出的评估值的最佳操作处理 在所述操作特性与所述处理的操作对象之间的定性关系中,以及用于确定所述控制单元的修改率的存储单元,具有神经网络模型的存储单元,用于存储所述操作对象与由所述操作对象导出的修改率之间的关系 修改单位为a 电路内的连接状态,以及用于使神经网络的模型学习操作对象与修改率之间的关系的学习单元。
    • 5. 发明授权
    • Process controller for controlling a process to a target state
    • 用于将过程控制到目标状态的过程控制器
    • US5268835A
    • 1993-12-07
    • US762332
    • 1991-09-19
    • Hisanori MiyagakiAkira SuganoAtsushi TakitaEiji ToyamaKatsuhito ShimizuHaruya TobitaHiroshi MatsumotoMasahide NomuraTooru Kimura
    • Hisanori MiyagakiAkira SuganoAtsushi TakitaEiji ToyamaKatsuhito ShimizuHaruya TobitaHiroshi MatsumotoMasahide NomuraTooru Kimura
    • G05B23/00G05B13/02G05B23/02G06F15/46G05B13/04
    • G05B13/0285Y10S706/90Y10S706/904
    • A process controller having a setting section for giving a target value for a fixed period of time, a control section including a predicting section for predicting a process response for the fixed time period in accordance with a current value of a process control amount and a virtual value of an operation amount; a quantitating section for quantitating a difference between the target value and the result by the predicting section; a calculating section for calculating a basic signal of the operation amount in accordance with the quantitated result, and an optimizing section including a predicting section for predicting a process response for the fixed time period with a control amount and an initial operation amount of the process; another quantitating section for quantitating a difference between the prediction and the target value, a calculating section for calculating the operation amount in accordance with the second quantitated result; and a section for performing control in such a way that the quantitating result and a predetermined evaluation criterion are compared with each other to perform an evaluation. The calculated result of the operation amount is repeatedly applied to the predicting section until the evaluation criterion is satisfied, a correcting signal used for optimizing the operation amount is obtained from a value of the operation amount when the quantitated result satisfies the criterion, and the correcting signal is added to a basic signal of the control section, and the adding result is output to the process.
    • 一种处理控制器,具有用于给定固定时间段的目标值的设定部分,控制部分,包括预测部分,用于根据过程控制量的当前值预测固定时间段内的处理响应,虚拟 操作量值; 定量部分,用于对预测部分的目标值和结果之间的差进行定量; 计算部分,用于根据定量结果计算操作量的基本信号;以及优化部分,其包括预测部分,用于利用处理的控制量和初始操作量来预测固定时间段的处理响应; 用于定量预测和目标值之间的差的另一定量部分,用于根据第二定量结果计算操作量的计算部分; 以及用于执行控制的部分,使得将定量结果和预定评估标准彼此进行比较以进行评估。 将运算量的计算结果重复施加到预测部,直到满足评价标准为止,从定量结果满足标准的操作量的值获得用于优化操作量的校正信号, 信号被添加到控制部的基本信号,并将相加结果输出到处理。
    • 8. 发明授权
    • Method of controlling combustion
    • 燃烧控制方法
    • US4528918A
    • 1985-07-16
    • US601613
    • 1984-04-18
    • Yoshio SatoNobuo KuriharaHiroshi MatsumotoTadayoshi SaitoMitsuyo NishikawaToshihiko Higashi
    • Yoshio SatoNobuo KuriharaHiroshi MatsumotoTadayoshi SaitoMitsuyo NishikawaToshihiko Higashi
    • F23C99/00F23N1/02F23N5/00F23N5/08F23D1/00F23N5/02
    • F23N5/003F23N1/022F23N5/082F23N2021/08F23N2029/18F23N2035/12F23N2039/02F23N5/08
    • A method of controlling combustion in a furnace of a boiler or the like having a burner for a main combustion and a burner for a reducing combustion in order to effect combustion for furnace denitrification. The method comprises the steps of: estimating the NO.sub.x generation amount from data on a flame formed by the main combustion; estimating the reducing agent generation amount from data on a flame formed by the reducing combustion; and controlling the flow rates of fuel and air supplied for the main and reducing combustions so that the amount of NO.sub.x emission as the difference between the NO.sub.x generation amount and the reducing agent generation amount is below a specified value. In practice, each of the NO.sub.x generation amount and the reducing agent generation amount is estimated from the flame pattern, the flame volume, the distance between the outlet of the burner concerned and the root of the flame concerned, etc., thereby to distributively control the flow rates of fuel and air supplied to each of the main combustion burner and the reducing combustion burner so that the amount of NO.sub.x emission is below a specified value.
    • 在具有用于主燃烧的燃烧器和用于还原燃烧的燃烧器的锅炉等的炉中控制燃烧的方法,以实现用于炉子反硝化的燃烧。 该方法包括以下步骤:从由主燃烧形成的火焰上的数据估计NOx产生量; 通过由还原燃烧形成的火焰上的数据估计还原剂产生量; 并且控制为主燃烧和还原燃烧供应的燃料和空气的流量,使得作为NOx生成量和还原剂产生量之间的差的NOx排放量低于规定值。 在实践中,根据火焰图案,火焰体积,燃烧器出口与所涉及的火焰根部之间的距离等来估计NOx产生量和还原剂产生量,从而分配控制 提供给主燃烧器和还原燃烧器的每一个的燃料和空气的流量使得NOx排放量低于规定值。