专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014052929A Control device and control method for thermal power plant 有权
标题翻译：热电厂控制装置及控制方法
公开(公告)号：JP2014052929A
公开(公告)日：2014-03-20
申请号：JP2012198154
申请日：2012-09-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SEKIAI TAKAO , KUSUMI HISAHIRO , HAYASHI YOSHIHARU , SUZUKI KANAKO , TAKEUCHI HIROTO , KITAGAWA KATSUHIDE , AKATSU TORU , FUKAI MASAYUKI , ASAKURA KAZUYASU
IPC分类号： G05B13/02 , G05B13/04
CPC分类号： Y02P90/02
摘要： PROBLEM TO BE SOLVED: To suppress deterioration of characteristics of a thermal power plant when an operation form or an environment changes.SOLUTION: A control device for a thermal power plant, which generates a first operation signal by referring to a measurement signal, includes an operation result determination part 410 for determining improvement/deterioration of characteristics of the thermal power plant as the result of outputting a first operation signal, a state classification part 420 for classifying the state of the thermal power plant by referring to the measurement signal, and a state storage database 430 for recording the determination result of the operation result determination part and the state of the thermal power plant classified by the state classification part in association with each other. Operation signal generation means continuously outputs the first operation signal currently output to the thermal power plant when the current state of the thermal power plant classified by the state classification part is a state when a second operation signal is generated reaching a state where the characteristics of the thermal power plant are determined to be worse by the operation result determination part.
摘要翻译：要解决的问题：当操作形式或环境变化时，抑制火力发电厂的特性劣化。解决方案：通过参考测量信号产生第一操作信号的火力发电厂的控制装置包括：作为输出第一操作信号的结果，确定火电厂的特性的改善/劣化的运算结果判定部410，参照测定信号对火力发电厂的状态进行分类的状态分类部420，以及状态存储数据库430，用于记录操作结果确定部分的确定结果和由状态分类部分分类的火力发电厂的状态。当由状态分类部分分类的火力发电厂的当前状态是当产生第二操作信号达到状态的状态时，操作信号发生装置连续输出当前输出到火力发电厂的第一操作信号，动力装置由运转结果判定部判定为较差。

2. 发明专利

JP2014029118A Spray device 审中-公开
标题翻译：喷雾装置
公开(公告)号：JP2014029118A
公开(公告)日：2014-02-13
申请号：JP2012169076
申请日：2012-07-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI FUMIO , KOYAMA KAZUHITO , HATAMIYA SHIGEO , KUSUMI HISAHIRO , MEIREN CHIHIRO , YASUKATA GO , SEKIAI TAKAO
IPC分类号： F02C7/143 , B05B1/14 , F02C3/30 , F02C7/045
CPC分类号： F02C7/1435 , F02C3/30 , F02C7/141 , F04D29/5846
摘要： PROBLEM TO BE SOLVED: To provide a spray device which solves such a problem that, although it is preferable that droplets sprayed during intake spray cooling of a gas turbine compressor are pulverized, the followability to intake air and the localization of droplets is facilitated.SOLUTION: In a spray device for cooling intake air of a gas turbine by spraying fine droplets to the intake air, a spray nozzle is arranged so as to spray the fine droplets toward a center part from an outer marginal part on air current high speed area. Subdivided air currents are combined on a low-speed area in the downstream, are mixed and are made uniform and, thereafter, are sent to a compressor having rotational symmetry. Devices such as water feed pipe and spray nozzle are put on a low speed area so as not to obstruct air current.
摘要翻译：要解决的问题：为了提供一种解决这样的问题的喷雾装置，尽管优选在燃气轮机压缩机的进气喷雾冷却期间喷雾的液滴被粉碎，但是促进了进气的跟随性和液滴的定位。在喷雾装置中，通过喷射细小液滴到吸入空气来对燃气轮机的吸入空气进行冷却的喷雾装置，喷雾喷嘴从气流高速区域的外边缘向中心部喷射。细分气流在下游的低速区域组合，混合并均匀，然后送到具有旋转对称性的压缩机。给水管和喷嘴等设备放置在低速区域，以免阻塞气流。

3. 发明专利

JP2010244149A Data classification method, data classification device, diagnostic method and diagnostic device 审中-公开
标题翻译：数据分类方法，数据分类装置，诊断方法和诊断装置
公开(公告)号：JP2010244149A
公开(公告)日：2010-10-28
申请号：JP2009089673
申请日：2009-04-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HORI YOSHINARI , SEKIAI TAKAO , EGUCHI TORU , YAMADA AKIHIKO , KUSUMI HISAHIRO , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： G05B23/02
摘要： PROBLEM TO BE SOLVED: To solve the following problem: when there is a difference in variation of data items to be classified, the number of categories for classifying data increases, thereby increasing calculation cost. SOLUTION: A computer obtains standard deviation of each item of sampled input data, preprocesses the input data based on the obtained standard deviation of each item, selects a prototype of a category closest to the preprocessed input data, evaluates whether or not the selected prototype is proper from relation between the prototype and the input data, and classifies a plurality of pieces of the input data constituted of a plurality of items into a plurality of categories. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：解决以下问题：当要分类的数据项的变化有差异时，用于分类数据的类别数量增加，从而增加计算成本。
解决方案：计算机获取每个采样输入数据的标准偏差，根据获得的每个项目的标准差预处理输入数据，选择最接近预处理输入数据的类别的原型，评估是否所选择的原型从原型和输入数据之间的关系是适当的，并且将由多个项构成的多个输入数据分成多个类别。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2009228995A Coal type discriminating device and coal type discriminating method for coal burning boiler 有权
标题翻译：燃煤锅炉的煤类型识别装置和煤类型分辨方法
公开(公告)号：JP2009228995A
公开(公告)日：2009-10-08
申请号：JP2008075695
申请日：2008-03-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KUSUMI HISAHIRO , YAMADA AKIHIKO , HAYASHI YOSHIHARU , SEKIAI TAKAO , EGUCHI TORU , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： F23N5/00
摘要： PROBLEM TO BE SOLVED: To provide a coal type discriminating device for a coal burning boiler can accurately and quickly discriminate a coal type by taking into consideration the fluctuation typical to plants and perform operation of the coal burning boiler corresponding to the coal type. SOLUTION: The coal type discriminating device of the coal burning boiler for discriminating the coal type based on a measurement signal of the coal burning boiler to be controlled includes: an exterior input interface for taking in a measurement signal from a controlling object, a measurement signal database for retaining the measurement signal taken in from the controlling object, a model for estimating a measurement signal value obtained when an operating signal is provided to the coal burning boiler to be controlled for each coal type, a learning part for learning a generation method of a model input so that a model output estimated by the model achieves a model output target value, an estimating part for calculating a difference between the measurement signal retained in the measurement signal database with the measurement signal estimated by the model as an estimation signal, and a determination part for determining a coal type or a mixed coal rate based on the estimation signal calculated by the estimating part. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种燃煤锅炉的煤型识别装置，可以通过考虑到植物典型的波动并对与煤类相对应的燃煤锅炉进行操作来准确和快速地区分煤种。解决方案：用于基于要控制的燃煤锅炉的测量信号来识别煤种的燃煤锅炉的煤种识别装置包括：用于从控制对象接收测量信号的外部输入接口，用于保持从控制对象取入的测量信号的测量信号数据库，用于估计当向每个煤型控制的燃煤锅炉提供操作信号时获得的测量信号值的模型，用于学习模型输入的生成方法，使得由模型估计的模型输出实现模型输出目标值，估计部分，用于计算保留在测量信号数据库中的测量信号与由模型估计的测量信号之间的差作为估计信号，以及基于估计信号确定煤炭类型或混煤速率的确定部件 l由估计部分计算。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009198137A Control device and control method for boiler 有权
标题翻译：锅炉控制装置及控制方法
公开(公告)号：JP2009198137A
公开(公告)日：2009-09-03
申请号：JP2008042802
申请日：2008-02-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMADA AKIHIKO , SEKIAI TAKAO , EGUCHI TORU , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： F23N5/00 , F22B35/00 , F23C99/00
摘要： PROBLEM TO BE SOLVED: To provide a control device for a boiler capable of reducing the concentration of NOx generated in the boiler to a desired value by avoiding a situation wherein operation of a soot blower becomes a disturbance of a control system and properly setting an air supply amount to the boiler.
SOLUTION: The control device for the boiler controlling operation of the boiler equipped with the soot blower removing deposits of an inner wall face of the boiler or a transfer tube is composed by providing an NOx concentration correcting means for calculating a corrected NOx concentration by inputting a soot blower passage time and correcting a measured value of the NOx concentration on the basis of a relationship between the soot blower passage time from soot blower actuation, and the measured value of the nitrogen oxide (NOx) concentration in combustion gas generated by the boiler or deviation from a reference value of the NOx measured value, and an operation command value determining means for calculating an operation command value corresponding to an air flow rate supplied from a burner or an air port of the boiler and outputting it to an operation apparatus, by using the corrected NOx concentration output from the NOx concentration correcting means.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种锅炉的控制装置，其能够通过避免烟炱鼓风机的操作成为控制系统的干扰并正确地将锅炉中产生的NOx的浓度降低到期望值来减少设置锅炉的供气量。解决方案：设置有锅炉控制装置的锅炉控制装置，其中锅炉的控制装置具有除锅炉或转运管的内壁面的排灰孔的沉积物，其特征在于，提供一种NOx浓度校正装置，用于计算校正的NOx浓度通过输入烟灰鼓风机通过时间，并且基于来自吹灰器致动器的烟灰鼓风机通过时间与由燃烧器致动所产生的燃烧气体中的氮氧化物（NOx）浓度的测量值的关系来校正NOx浓度的测量值，锅炉或与NOx测量值的参考值的偏差;以及操作指令值确定装置，用于计算与从锅炉的燃烧器或空气口供应的空气流量对应的操作指令值，并将其输出到操作装置，通过使用从NOx浓度校正装置输出的校正的NOx浓度。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008249187A Control device and method of thermal power generation plant 有权
标题翻译：控制装置和热发电厂的方法
公开(公告)号：JP2008249187A
公开(公告)日：2008-10-16
申请号：JP2007088067
申请日：2007-03-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SEKIAI TAKAO , YAMADA AKIHIKO , YAMAMOTO KENJI , EGUCHI TORU , SHIMIZU SATORU , FUKAI MASAYUKI
IPC分类号： F23N5/00 , F23C99/00 , F23N3/00
CPC分类号： Y02E20/328
摘要： PROBLEM TO BE SOLVED: To provide a control device of a thermal power generation plant capable of effectively reducing CO in a boiler exhaust gas by supplying the air of necessary flow rate to a region of low O 2 concentration, when bias is found in a distribution of O 2 concentration of an exhaust gas at a boiler outlet. SOLUTION: This control device of the thermal power generation plant comprises measuring equipment for measuring oxygen concentration or carbon monoxide concentration of a combustion gas at the outlet of a boiler, and a controller is provided with a reaching region estimating means for estimating a region to which the air supplied from a burner of the boiler or an air port reaches the outlet of the boiler, and an operation signal creating means for setting the flow rate of the air supplied from the burner or the air port on the basis of a measured value of the carbon monoxide concentration or oxygen concentration of the combustion gas of the boiler outlet measured by the measuring equipment, and a result of the estimation of the reaching region estimated by the reaching region estimating means, to increase the flow rate of the air reaching to a region of high carbon monoxide concentration or a region of low oxygen concentration, of the combustion gas of the boiler outlet measured by the measuring equipment. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够通过将必要流量的空气供给到低O 2 SBB的区域来有效地减少锅炉废气中的CO的火力发电厂的控制装置当在锅炉出口处的废气的浓度分布中发现偏差时，浓度。解决方案：火力发电厂的这种控制装置包括用于测量锅炉出口处的燃烧气体的氧浓度或一氧化碳浓度的测量设备，并且控制器设置有到达区域估计装置，用于估计从锅炉或燃气口的燃烧器供给的空气到达锅炉的出口的区域;以及操作信号生成装置，用于根据燃烧器或空气口供给的空气的流量由测量设备测量的锅炉出口的燃烧气体的一氧化碳浓度或氧浓度的测量值以及由到达区域估计装置估计的到达区域的估计结果，以增加空气的流量达到锅炉出口燃烧气体的高一氧化碳浓度区域或低氧浓度区域测量设备。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007264796A Plant control method and plant controller 有权
标题翻译：植物控制方法和植物控制器
公开(公告)号：JP2007264796A
公开(公告)日：2007-10-11
申请号：JP2006086131
申请日：2006-03-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KANEDA MASAKI , YAMADA AKIHIKO , SEKIAI TAKAO , HAYASHI YOSHIHARU , KUSUMI HISAHIRO , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： G05B13/02 , F22B35/18
摘要： PROBLEM TO BE SOLVED: To provide a plant control method and controller by a reinforcement learning method having a short model construction period and excellent performance. SOLUTION: An operation condition parameter is prepared by the error evaluation of the numerical analysis result of a plant 1 performed by a numerical analysis means 6, the error of a continuous model 9 is reduced by adding numerical analysis data by a continuous model correcting means 12, reinforcement learning based on the data of a plant operation result database 5 is performed by a control method learning means 13 to thereby correct the continuous model 9, and the corrected continuous model 9 is input to a learning result database 14, and added to a control command by a basic control command calculation means 4. Thus, it is possible to achieve control whose performance is always satisfactory from the trial operation time of a plant 1, and to shorten the introduction period of a controller. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过具有短模型构建周期和优异性能的强化学习方法来提供工厂控制方法和控制器。解决方案：通过由数值分析装置6执行的工厂1的数值分析结果的误差评估来准备操作条件参数，通过连续模型添加数值分析数据来减少连续模型9的误差校正装置12，通过控制方法学习装置13执行基于工厂操作结果数据库5的数据的强化学习，从而校正连续模型9，校正的连续模型9被输入到学习结果数据库14，并且由基本控制指令运算单元4加到控制命令中。因此，可以实现从设备1的试运行时间起，其性能始终令人满意的控制，并且缩短控制器的引入周期。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007241624A Controller and control method of plant, thermal power generation plant and its control method 有权
标题翻译：植物控制与控制方法，热力发电厂及其控制方法
公开(公告)号：JP2007241624A
公开(公告)日：2007-09-20
申请号：JP2006062619
申请日：2006-03-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SEKIAI TAKAO , SHIMIZU SATORU , YAMADA AKIHIKO
IPC分类号： G05B13/02
CPC分类号： G05B13/048 , F01K13/02 , F22B35/007 , F23N5/00 , F23N2023/48 , G05B13/0265
摘要： PROBLEM TO BE SOLVED: To provide a controller for learning the generation method of model input for achieving a model output target value by using a model simulating the characteristics of a control target, generating operation signals according to a learned result and determining the model output target value for achieving an operation target value by the measurement signals of the control target.
SOLUTION: The controller comprises: a model for predicting the value of the measurement signals to be obtained when the operation signals are supplied to the control target; a function of learning the generation method of the model input so that model output may achieve a target value; a function of determining the operation signals to be supplied to the control target according to the result of learning; a database for storing the limit value of the measurement signals set beforehand; an external input interface for capturing the measurement signals of the control target; a measurement signal database for storing the value of the captured measurement signals; and a function of determining the initial value of the model output target value by using the result of calculating at least one of the average value, maximum value and minimum value of the measurement signals stored in the measurement signal database and the limit value of the measurement signals.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于通过使用模拟控制目标的特性的模型来学习模型输入的生成方法以实现模型输出目标值的控制器，根据学习结果生成操作信号并确定用于通过控制目标的测量信号实现操作目标值的模型输出目标值。控制器包括：用于在将操作信号提供给控制目标时预测要获得的测量信号的值的模型; 学习模型输入的生成方法的功能，使得模型输出可以实现目标值; 根据学习结果确定要提供给控制目标的操作信号的功能; 用于存储预先设定的测量信号的限制值的数据库; 用于捕获控制目标的测量信号的外部输入接口; 用于存储所捕获的测量信号的值的测量信号数据库; 以及通过使用计算存储在测量信号数据库中的测量信号的平均值，最大值和最小值中的至少一个以及测量的极限值中的至少一个来确定模型输出目标值的初始值的功能信号。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2015007509A ボイラチューブリーク検出装置、ボイラチューブリーク検出方法、並びにこれらを用いたデータ監視センタ、情報提供サービス、ボイラプラント。有权
标题翻译：锅炉泄漏检测装置，锅炉泄漏检测方法，使用装置和方法的数据监测中心，信息提供服务和锅炉设备
公开(公告)号：JP2015007509A
公开(公告)日：2015-01-15
申请号：JP2013133278
申请日：2013-06-26
申请人：株式会社日立製作所 , Hitachi Ltd
发明人： SEKIAI TAKAO , HAYASHI YOSHIHARU , MURAKAMI MASAHIRO , KITAGAWA KATSUHIDE , SHIMIZU SATORU , FUKAI MASAYUKI
IPC分类号： F22B37/38 , F22B37/42 , G01M3/02 , G05B23/02
CPC分类号： F22B37/38 , F22B37/421 , G05B23/0224
摘要：【課題】ボイラチューブリークの早期検知とリーク位置の早期特定を実現するボイラチューブリーク検出装置を提供する。【解決手段】ボイラプラントの状態量を計測した計測信号データベースと、ボイラプラントの運転状態の変化を検知する状態変化検知部と、状態変化検知部で検知した変化をリークか評価する検知内容評価部を備え、状態変化検知部には、計測信号データベースの第一の計測信号データ項目を、ボイラプラントの複数ある熱交換器のメタル温度が含む監視グループ化する監視データ抽出部と、ボイラプラントの運転パターンを識別する運転パターン評価部と、識別された運転パターン毎にかつ監視グループ毎に、グループ化されたデータ項目に属する第一の計測信号データを分類して診断モデルを構築する分類部と、診断モデルと第二の計測信号を比較することで運転状態が変化したことを検知する検知部が備えた。【選択図】図1
摘要翻译：要解决的问题：提供一种可以早期检测锅炉管泄漏的锅炉管泄漏检测装置，并可以及早指定泄漏位置。解决方案：锅炉管泄漏检测装置包括：测量信号数据库，其存储获得的测量信号通过测量锅炉厂的状态量; 状态变化检测单元，其检测锅炉设备的运行状态的变化; 以及检测内容评价单元，其评估由状态改变检测单元检测到的改变是否是泄漏。状态变化检测单元包括：监视数据提取单元，其将测量信号数据库的第一测量信号数据项分组为包括锅炉设备中的多个热交换器的金属温度的监视组; 操作模式评估单元，其识别所述锅炉设备的操作模式; 分类单元，其针对每个识别的操作模式对属于分组数据项的第一测量信号数据进行排序，并且针对每个监视组构建诊断模型; 以及检测单元，其通过将诊断模型与第二测量信号进行比较来检测操作状态被改变。

10. 发明专利

JP2013037436A Controller for plant 有权
标题翻译：植物控制器
公开(公告)号：JP2013037436A
公开(公告)日：2013-02-21
申请号：JP2011171049
申请日：2011-08-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： EGUCHI TORU , KUSUMI HISAHIRO , SEKIAI TAKAO , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： G05B13/02 , G05B11/32
摘要： PROBLEM TO BE SOLVED: To automatically operate operating procedures among operation variables where influences become minimum by considering interaction among the operation variables caused by a time factor of processes of a plant.SOLUTION: The controller for a plant includes a control logic database for storing operation variables to use for a plurality of logic operations, a control signal generation part for performing logic operation and generating a plurality of control signals to be given to the plant, and an operating procedure operation part for operating the operating procedures of operation variables. The operating procedure operation part obtains a delay time in logic operation before a result of logic operation of the first operation variable and a second operation variable are added with respect to operation variables associated with one another among a plurality of operation variables every operation variable and decides operating procedures of the plurality of operation variables. When it changes value of operation variables to use in the plurality of logic operation, the control signal generation part follows changed order of other operation variables associated with the operation variable according to operating procedures of the plurality of operation variables obtained by the operating procedure operation part.
摘要翻译：要解决的问题：通过考虑由工厂过程的时间因素引起的操作变量之间的相互作用，在影响最小的操作变量中自动操作操作程序。解决方案：工厂的控制器包括用于存储用于多个逻辑操作的操作变量的控制逻辑数据库，用于执行逻辑操作并产生要提供给工厂的多个控制信号的控制信号生成部以及用于操作操作变量的操作过程的操作过程操作部分。操作过程操作部分在第一操作变量的逻辑操作结果之前获得逻辑操作中的延迟时间，并且在每个操作变量的多个操作变量中相对于彼此相关联的操作变量添加第二操作变量，并且决定多个操作变量的操作程序。当操作变量的值改变为在多个逻辑运算中使用时，控制信号产生部分根据由操作过程操作部分获得的多个操作变量的操作过程，跟随与操作变量相关联的其他操作变量的改变顺序。版权所有（C）2013，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式