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1. 发明专利

JP2002109150A METHOD FOR ADAPTIVELY PREDICTING TIME SERIES DATA 失效
公开(公告)号：JP2002109150A
公开(公告)日：2002-04-12
申请号：JP2000295876
申请日：2000-09-28
申请人： FUJI ELECTRIC CO LTD
发明人： MATSUI TETSUO , IIZAKA TATSUYA , FUKUYAMA YOSHIKAZU
IPC分类号： G06F19/00 , G06N3/00 , G06Q10/04 , G06Q50/00 , G06Q50/26 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To provide a method for adaptively predicting time series data, which can perform highly accurate prediction even when prediction object time series data show unexpected tendency without performing unneeded calculation and also brings about both the improvement of predictive accuracy and the realization of prediction reason explanation. SOLUTION: This method for adaptively predicting time series data, which calculating a predicted value about future by using the past time series data, constructs a prediction model by inputting/accumulating data for prediction model construction, obtains a predicted value by conducting prediction according to the constructed prediction model, corrects the predicted value by calculating a correction coefficient on the basis of a prediction error calculated by using the past time series data and notifies the calculation grounds of the predicted value.

2. 发明专利

JP2001142866A POWER GENERATION PLANNING METHOD FOR HYDROELECTRIC POWER PLANT 失效
公开(公告)号：JP2001142866A
公开(公告)日：2001-05-25
申请号：JP32202699
申请日：1999-11-12
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： G05B13/02 , E02B9/00 , G06F15/18 , G06F17/17 , G06N3/00
摘要： PROBLEM TO BE SOLVED: To provide a power generation peanning method for hydroelectric power plant, which is for obtaining a power generation plan automatically and speedily with high accuracy while using an electronic computer. SOLUTION: The non-linear QP characteristics of a power generation in hydroelectric power plant are approximated optimally in polygonal line by a genetic algorithm and while using this polygonal line approximate expression and a mixed 0-1 scheduling method, power generation is scheduled.

3. 发明专利

JP2000270473A POWER DEMAND ESTIMATING METHOD 失效
公开(公告)号：JP2000270473A
公开(公告)日：2000-09-29
申请号：JP6808399
申请日：1999-03-15
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO , KAGAWA YASUSHI
IPC分类号： H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a power demand estimating method capable of highly accurate estimation for demand electric energy on a specific day, by obtaining a reduction rate based by a statistic method. SOLUTION: In a power demand estimating method, normal day mean demand, which is the average of demand data corresponding to a normal day, and a specific day mean demand, which is the average of the demand data corresponding to a specific day, are obtained of a demand data in the past, a reduction rate represented by the relation of reduction rate = specific day mean demand/normal day mean demand is obtained, and a value multiplied by normal day demand approximating an estimation objective specific day by the reduction rate is determined as the demand on the estimation object specific day.

4. 发明专利

JPH11299096A POWER DEMAND AMOUNT ESTIMATING METHOD 失效
公开(公告)号：JPH11299096A
公开(公告)日：1999-10-29
申请号：JP10605398
申请日：1998-04-16
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： G06F7/60 , G06F15/18 , G06F17/00 , G06N3/00 , G06Q10/04 , G06Q50/00 , G06Q50/06 , H02J3/00
摘要： PROBLEM TO BE SOLVED: To improve estimation accuracy by constructing an estimation model, capable of accurately reflecting the change in power demand at a high temperature in summer and at a low temperature in winter. SOLUTION: In this method, actual data record of power demand in the past is corrected by using a yearly increase coefficient with a computer, a power demand amount on an estimation objective day is estimated by the use of an estimation model constructed which is based on the actual data after this correction. The method has a step (S11) for determining a temperature division of a plurality of air temperature bands by a meteorological conditions of the actual data in the past, a step (S12) for extracting the relevant day in the past in accordance with the air temperature band, and a step (S13) for calculating the yearly increase coefficient in each air temperature band from a power demand amount on the extracted concerned day, when the estimation model is constructed is based on the actual data of power demand in a plurality of years in the past, the actual data is corrected by using the yearly increase coefficient of each air temperature band.

5. 发明专利

JPH10260718A METHOD FOR PREDICTING VOLUME OF WATER OF DAM 失效
公开(公告)号：JPH10260718A
公开(公告)日：1998-09-29
申请号：JP6563097
申请日：1997-03-19
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： E02B7/00 , G05B13/02 , G05B13/04 , G05B23/02 , G05D9/00 , G06F9/44 , G06F15/18 , G06F17/00 , G06N3/00 , G06N7/02 , G06Q10/04
摘要： PROBLEM TO BE SOLVED: To predict inflows and outflows with high precision as to various dams and ranges of the volume of water without depending upon a skilled operator by complementing deficit or abnormal data with normal data nearby data used for prediction or the gradient of the nearby normal data if deficit or abnormal data are generated in the data used for the prediction. SOLUTION: If the inflow data used for the prediction include deficit data or abnormal data, the deficit data or abnormal data are complemented by complementation of 0th or 1st order. Here, the complementation of 0th order is performed by holding the nearby normal data as they are. The complementation of 1st order, on the other hand, complements the deficit or abnormality of the data by generating a linear function according to the gradient of the normal data right nearby the deficit or abnormality if the deficit or abnormality is generated in the data. In this case, the deficit is judged when there are not data which are transmitted periodically. Further, the abnormality is judged from the differential value, etc., of the inflow data when the inflow data have an unreasonable value or are much different in value from the nearby normal data.

6. 发明专利

JPH1080062A METHOD FOR PREDICTING DAILY LOAD CURVE 失效
公开(公告)号：JPH1080062A
公开(公告)日：1998-03-24
申请号：JP23529196
申请日：1996-09-05
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： G06F15/18 , G06F17/00 , G06N3/00 , G06Q10/04 , G06Q50/00 , G06Q50/06 , G06Q90/00 , H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a method for predicting daily load curve by which electric power demands can be predicted with high accuracy without relying upon any expert, but by acquiring the detailed weather data of the day to be predicted. SOLUTION: A method for predicting daily load curve by which the daily load curve indicating the electric power demand of a day to be predicted by means of a computer includes a first step S1 in which the detailed weather (atmospheric temperature, humidity, etc., at every fixed hours) of the day to be predicted by inputting the forecast weather data and actual weather data of several days before and after a weather model and a second step S2 in which the electric power demand of the day to be predicted by inputting the forecast weather data of the day predicted in step 1, a flag for distinguishing the weekday, Saturday, and holiday, and the predicted maximum power value to a day load curve model (recurrent network).

7. 发明专利

JPH09222457A FAULT SECTION JUDGING METHOD FOR POWER SYSTEM 失效
公开(公告)号：JPH09222457A
公开(公告)日：1997-08-26
申请号：JP5235496
申请日：1996-02-15
申请人： FUJI ELECTRIC CO LTD
发明人： MATSUI TETSUO , KOIKE TOMOHIRO , UEKI YOSHITERU , SAITO TOSHIYA
IPC分类号： G01R31/08 , H02H7/26 , H02J13/00
摘要： PROBLEM TO BE SOLVED: To enable speeding up and higher accuracy of the judgment of fault sections by performing a reasoning about a candidate fault section confined to the minimum necessity while utilizing information on changes in condition other than the operation of a protective relay, information from the results of patrolling and the like. SOLUTION: Candidate fault sections are generated within a power failure block of a system and a fault is assumed in the sections. The resulting assumed operation of a relay is compared with the actual operation of the relay to determine the frequency of malfunctioning. The sections where the frequency exceeds a fixed value are removed to verify the actual operation of the relay while limiting the candidate fault sections thereby judging the fault sections. In this method, the number M of fully operated relays are determined within a power failure block (S2). Assumed candidate fault sections are generated for each power failure block considering a protection range of the operated relays (S3) and the number N of the operated relays protecting the assumed candidate fault sections is determined (S4) to generate the assumed candidate fault sections as true candidate fault sections when a difference between the M and N as mentioned above is below a fixed value for each of the assumed candidate fault sections (S5).

8. 发明专利

JPH04285441A SWUTCHING OPERATION MEANING DISCRIMINATING AND DISPLAYING APPARATUS 失效
公开(公告)号：JPH04285441A
公开(公告)日：1992-10-09
申请号：JP4836691
申请日：1991-03-13
申请人： FUJI ELECTRIC CO LTD
发明人： MATSUI TETSUO , UEKI YOSHITERU
IPC分类号： G06F9/44 , H02J13/00
摘要： PURPOSE:To provide a switching operating meaning discriminating and displaying apparatus by which an operator can perform a siwtching oeration without mistake in a transmission and distribution system. CONSTITUTION:A system status securing means 1 which receives the input of a system status and stores it, a memory means 2 which receives the input of the name of a switch determined to be operated by an operator and stores it and a switching operation meaning discriminating and displaying means 4 which reads information corresponding to overlapping conditions of information stored by the system status securing means 1 and information stored by the memory means 2 out of knowledge base part 3 and displays it on a display in accordance with the input are provided.

9. 发明专利

JP2002236906A OPTIMIZATION LEARNING METHOD FOR PRODUCT COUPLED NEURAL NETWORK 失效
公开(公告)号：JP2002236906A
公开(公告)日：2002-08-23
申请号：JP2001034004
申请日：2001-02-09
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： G06N3/08 , G06N3/04
摘要： PROBLEM TO BE SOLVED: To provide an optimization learning method for high speed and efficient product coupled neural network. SOLUTION: When variance obtained by an output value sequence of one element in an intermediate layer of the product coupled neural network is a designated value or lower, the element is fused to a bias element to be compact-structured. This structuring is performed alternately with learning to thereby optimize the element of the intermediate layer while reducing.

10. 发明专利

JP2002222409A METHOD FOR OPTIMIZING AND LEARNING NEURAL NETWORK 失效
公开(公告)号：JP2002222409A
公开(公告)日：2002-08-09
申请号：JP2001018758
申请日：2001-01-26
申请人： FUJI ELECTRIC CO LTD
发明人： IIZAKA TATSUYA , MATSUI TETSUO
IPC分类号： G06N3/08
摘要： PROBLEM TO BE SOLVED: To provide a method for optimizing and learning a neural network which efficiently optimize the neural network at a high speed. SOLUTION: When two elements are merged by the optimizing and learning method for the neural network which optimizes the neural network by performing learning and compact structuring alternately, subsequent learning and compact structuring are carried out by using a new weight coefficient correction expression generated by combining the weight coefficients and inertia items of an existent element and an element to be corrected.

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