WO2006046342A1 - 長い物体の管理システム及びプログラム - Google Patents
長い物体の管理システム及びプログラム Download PDFInfo
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- WO2006046342A1 WO2006046342A1 PCT/JP2005/014196 JP2005014196W WO2006046342A1 WO 2006046342 A1 WO2006046342 A1 WO 2006046342A1 JP 2005014196 W JP2005014196 W JP 2005014196W WO 2006046342 A1 WO2006046342 A1 WO 2006046342A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
Definitions
- the present invention relates to a geographic information system (GIS geographic information system), and more particularly to a management system for a long object such as a liquid / gas transportation pipeline such as oil / natural gas.
- GIS geographic information system geographic information system
- management system for a long object such as a liquid / gas transportation pipeline such as oil / natural gas.
- the measurement point is known in advance by the identification number, and it can correspond to the identification number on the system diagram. Therefore, data acquired with a specific identification number is displayed. In addition, by specifying a station, time series data can be acquired and displayed.
- the data measured at the distance between the station and the corresponding force is displayed in correspondence with the map.
- the stations are numbered, and the coordinates of the stations that are acquired by force are associated with the station numbers.
- Information such as cracks corresponding to the specified time can be displayed according to the coordinates of the station force and the specified time.
- the shape data and attribute data are updated! When it is born, it can always keep up-to-date. Past data is managed as history, but the occurrence of position error is not considered.
- the position information of the obtained cracks is based on the premise that it is accurate. For this reason, the positions of cracks, etc. measured in the past are accompanied by errors depending on the method of measurement on the spot.
- position information related to time-series data contains errors, it was impossible to make future predictions because it was not possible to set the correspondence of history. For example, a pipeline that transports oil, natural gas, etc. will corrode inside and outside.
- Corrosion is expected to increase over time unless countermeasures are taken, but expansion cannot be predicted without making correspondences that take positional errors into account. In addition, it is impossible to know the change without the past history of the sinking force due to the soil condition (soft ground). It is an object of the present invention to provide a method for solving a positional error in time series data, performing correspondence, predicting future corrosion or subsidence of a pipeline facility, etc., and presenting a dangerous place.
- the present invention also manages the history of attribute data that includes only time-series information of pipeline facilities using only shape data, and makes it possible to make future predictions by acquiring and managing time-series information.
- a method for differentially managing data for manageability is also disclosed.
- Future prediction can be performed by managing changes in shape and attribute changes over time.
- pipeline deformation due to corrosion expansion and ground subsidence is an important monitoring item.
- the change should be predicted and analyzed and presented in correspondence with the location. Is possible.
- the present invention can also be applied to roads such as viaducts that are not limited to oil, natural gas, and water.
- the present invention is implemented by software on a computer.
- an image display device such as a display device
- a user-powered instruction input device such as a keyboard and a mouse
- information retrieval 'processing' display is performed while referring to the display of the image display device.
- a method for managing information related to facilities such as underground underground pipes and roads using a geographic information system has been developed.
- map information indicating the location of the facility and attribute information describing the construction time and construction method of the facility are managed.
- Map information is represented by graphic data represented by a coordinate sequence.
- Map information and attribute information are related to each other, and a corresponding attribute search can be performed by specifying a figure, and conversely an attribute figure search can be performed.
- Time management is important in managing these facilities information. By entering and managing the time when the facility was constructed and the time when the facility was inspected, the facility renewal time can be confirmed.
- time information is introduced as one of the attribute items, it is necessary to manage not only the time information but also the history of attribute data in order to make future predictions.
- the shape also needs to be changed in accordance with the change of the attribute data, but the shape and the attribute are changed at the same time and managed in a consistent format.
- this example uses a spatio-temporal information system that can manage solids and temporal changes (also called 4D geographic information system: 4D-GIS). Is used.
- a database (DB) that manages shape data and attribute data is managed in a geographic DB called a spatio-temporal DB.
- DB database
- [1] the correspondence between the shape and its attributes is consistent, especially that the attributes correspond correctly to the shape, and [2] the consistency of the time-series information regarding positional information, Is required.
- the number method a unique number is assigned to each part of the facility graphic described on the map, and the same number is assigned to the attribute corresponding to the partial graphic. And if you specify the shape described on the map, it will be attached to the specified shape. With reference to the given number, information having the same number among the attributes is retrieved and displayed.
- the attribute information is managed by the distance of the base force (start distance and end distance).
- time-series information regarding position information is maintained by position coordinates or distance.
- the shape data managed in time series and the attribute data are called time series shape data and time series attribute data.
- numbers are assigned according to position or distance.
- these positions and distances may not match due to errors inherent in the measurement method.
- distance even if there is no change due to distance error, it will not match.
- shape and attributes are acquired, used as history, and saved, there will be errors due to position and distance in advance! ⁇ Assuming that time-series shape Z attribute data must be accurately associated.
- Figure 1 shows an example of the configuration of a spatio-temporal GIS device used for prediction and analysis by managing time-series data and correcting the position.
- a database that stores and manages shape data and history information of features to be managed.
- the changed shape data is added to the stored shape data as a change difference by adding time information. For example, when handling pipelines, it manages data composed of broken lines based on coordinate sequences.
- the changed attribute is added to the attribute data stored as a change difference by adding time information at the time of change.
- Shape data is acquired by surveying equipment such as GPS (Global Positioning System) and total stations.
- Attribute data input section 104 For example, new facility attribute data written in a table format can be imported by specifying the table rows and columns.
- Shape data input unit 103 compares the new shape data input from 103 and the past shape data stored in the spatio-temporal shape DB 101, extracts the change difference, inputs the time information at the time of change, and stores it in the coordinate data structure Function to do.
- Coordinate system force of the obtained change difference data Spatio-temporal shape A function to convert the coordinate system when it differs from the management coordinate system that is the standard in DB101.
- affine transformation is used for the transformation.
- Time series shape A function to select and load a change analysis tool to be used from the prediction analysis tool 115 using Z attribute data, and to predict and analyze future shape changes and attribute changes.
- FIG. 2 illustrates a method for predicting corrosion expansion in a pipeline facility.
- Pipeline shape 2 01 Corrosion with different acquisition times between points P 202 (reference start point) and P 203 (reference end point)
- Position development views 204, 205, and 206 are associated with each other.
- Data showing the progress of corrosion in the Cf standing is represented by circumscribed rectangles 207, 208, and 209, for example. These are associated with the distance of the noopline, but when acquired, an error occurs in the distance, so that the continuity of corrosion is ensured by the alignment arrangement process 210, so that time-series continuity is ensured. This is determined based on the fact that old corrosion is included in new corrosion (corrosion expands).
- the result of the alignment process 210 is 211. Based on this, the result of the corrosion prediction based on the performance-based prediction 212 with reference to the corrosion expansion statistics DB 213 (same as the change prediction statistics DB 116) is shown in 214.
- the result of displaying the corrosion expansion result corresponding to the corrosion data 207, 208, and 209 is as follows.
- FIGS. 3A and 3B show a method for predicting pipeline settlement.
- a knock line 302 and a region of interest 303 are described on the facility management map 301 on the upper side of FIG. 3A.
- This attention area is a soft base, and the pipeline range included in the area including the attention area is displayed as a cross-sectional view 305 at the lower side of FIG. 3A.
- pipeline shape measurement data 306 and geological data cross-section data 307 aligned by the consistency processing in the consistency determination unit 112 are displayed.
- the result of subsidence prediction using the noipline shape data 304 and 306 is shown at 308 in FIG. 3B.
- Pipeline settlement deformation prediction result 309 is displayed.
- FIG. 4 and FIG. 5 show the processing flows showing the prediction analysis method (utilization method) using time series shape data and time series attribute data using the functions shown in FIG.
- the corrosion expansion prediction and settlement prediction are shown in Fig. 6 and Figs. 7A, 7B, and 7C.
- Step 401 Input the latest shape Z attribute data currently managed.
- the latest shape data and attribute data are read from the spatio-temporal shape DB 101 and the spatio-temporal attribute DB 102 by the shape data search unit 110 and attribute data search unit 111 (126, 127). .
- Step 402 New! /, Input of shape data.
- Step 403 Determining whether there is a change. It is determined whether the shape input in step 402 is only the changed portion or the entire shape including the change (arrow 119). Therefore, the shape data search unit 110 searches the previous shape data from the spatio-temporal shape DB 101, and the change shape extraction unit 105 compares the previous shape with the newly input shape (arrow 130). Determine if there is any. If it is the entire shape, step 404 is executed. If only the changed part is executed, step 4005 is executed.
- Step 404 Extract change of shape data.
- FIGs 8A and 8B show the change data input method.
- the original data here is pipeline data 801 indicating the pipeline as shown in Fig. 8A, and is composed of four coordinates (X1, Y1, Z1) to (X4, Y4, Z4). To do.
- the forces of ( ⁇ 2, ⁇ 2, ⁇ 2) to ( ⁇ 4, ⁇ 4, ⁇ 4) are also changed, and ( ⁇ 5, ⁇ 5, ⁇ 5) to ( ⁇ 8, ⁇ 8, ⁇ 8) are newly inserted as shape data 802. .
- the coordinate data format 803 is a coordinate storage format with an initial shape, and the coordinate data format 804 is a shape after change.
- the coordinate data format 803 stores a pipeline shape start time T1 and a coordinate sequence. Start time T1 is the time when the pipeline facility was constructed.
- the time ⁇ 2 included in the coordinate data format 803 is the time when the shape changed, and indicates the time when the shape changed due to landslide.
- the coordinate data format 804 represents the time change by storing the start time ⁇ ⁇ 2 at which the facility is effective at the coordinates indicating the changed part.
- the change shape storage unit 108 stores the data of the coordinate data format 804 in the spatio-temporal shape DB 101 (arrows 123 and 124).
- Step 405 Coordinate transformation.
- the input coordinates may differ from the management coordinates of the spatio-temporal shape DB101.
- the coordinate conversion unit 107 performs coordinate conversion (arrow 121).
- the coordinate transformation is performed by a method using affine transformation, for example. If the coordinate system that follows the acquired coordinates of the change shape is a local coordinate system that varies depending on the region, and the management coordinate system is a world coordinate system such as WGS-84, coordinate conversion from the local coordinate system to the world coordinate system is required. Become.
- Step 406 Input of new attribute data.
- the attribute data input unit 104 inputs new attribute data.
- management in the form of a table can be considered.
- Figure 9 shows an example of attribute data. Attribute data 901 is immediately preceding data, and 902 is changed attribute data.
- Step 407 Change extraction of attribute data.
- the change attribute extraction unit 106 compares the attribute data recorded in the attribute data and the attribute data input from the attribute data input unit 104, and the changed part is found in the line data having the original pipeline number. Determine if there are any (arrows 120, 131).
- the attribute data change difference data extracted in this way is stored in the space-time attribute DB 102 by the attribute change storage unit 109 (arrows 122 and 125).
- FIGS. 9A to 9C Specific examples of change extraction are shown in FIGS. 9A to 9C.
- changes have been made to each row of tabular data.
- time information 905 is described. Since the ground height 904 is changed in the pipeline numbers 24 and 25, the changed data is input and updated together with the time 906.
- Tabular data 903 shown in FIG. 9C is change data subjected to difference management, and row data 907 updated on time date 906 of 2004 10Z 09 is inserted.
- this attribute data update multiple row data may be updated.
- the cumulative length data is changed, the cumulative length of data that is not subject to change is also changed. In this way, everything after the specific line data is changed. In such a case, if managed as a difference, a large number of rows of data are inserted, so the entire attribute data is replaced. This is shown in Figure 10.
- the attribute data 1001 from the valid time T1 is managed.
- the attribute data 1002 whose valid time is from T1 to T3 is compared.
- a lot of data after the specified line is changed. For example, when updating the number of row data larger than the threshold value determined by force, it is changed to replace all data.
- the attribute data after the valid time T3 is provided, the difference data is updated because the data with the number of rows smaller than the threshold value is changed as compared with the data of the attribute data 1003.
- new attribute data 1004 is provided, the number of row data more than the threshold value is updated in the comparison between the attribute data 1003 and the attribute data 1004, so that the entire attribute data 1004 is replaced.
- Step 408 Search for attention area.
- the shape data search unit 110 searches for a range to be predicted. For example, in a pipeline facility, an area that becomes an alert area (HCA: High Consequence Area) is searched as an attention area, and a pipeline area including the area is detected.
- Figure 3 shows a concrete example.
- the pipeline range included in the attention area 303 is detected.
- the alert area data it is sufficient that sampling data that represents the feature data of the area is given in advance. Since this sampling data is given discretely, it is necessary to estimate the cross-sectional data from it. For this reason, region estimation by the following method is used.
- V ⁇ ⁇ H (Xi, Yi)
- ⁇ (X, ⁇ ) uses the following data as the soil depth (height) and the value of ⁇ at coordinates (X,,).
- the corrosion-promoting soil region is searched.
- search for soft ground areas The method described above is a method of constructing surface information from information on discrete sampling points, but it is also easy to set and input land attribute information in a range that can be a region of interest in advance for a predetermined region.
- Step 409 Crossing the region of interest ⁇ Search for the facility range included.
- the shape data search unit 110 further searches the pipeline facility range included in the area data associated with the attribute calculated in step 408 or received the selected input. This can be obtained by tracking the pipeline, calculating the intersection between the region boundary and the pipeline, and calculating whether the region contains the intersection of the pipeline.
- Step 410 Obtain change history.
- time range input in the above is set, the shape data and attribute data are read from the shape data search unit 110 and the attribute data search unit 111, and time series data is generated (126, 127).
- the shape data included in the specified time range is input from the spatio-temporal shape DB 101, for example, the shape data force managed by the coordinate data format 804 is also extracted from the time series coordinates.
- the attribute data included in the specified time range is read from the space-time attribute DB 102 and, for example, the shape data force time series attribute data managed by the attribute data 903 is searched.
- Step 411 Alignment of time series attribute data.
- the consistency judgment unit 112 associates time-series shape Z attribute data (arrows 128, 129, 130, 131).
- Step 412 Set to optimal position.
- the inclusion relation of the attribute data is adjusted by applying offset and scaling to the position coordinates and distance information (arrows 134 and 135). . Specifically, the offset is added to the new attribute data based on the shape Z attribute data at a specific time.
- the shape and attribute data are aligned by using a predetermined value that gradually decreases in this way. Find the most consistent part of the time series attribute data. Then, in each trial, the total scaling factor is set as ⁇ and ⁇ is changed within a specific range to calculate the data match. Here, whether or not they match is determined by the inclusion relationship or the match of the non-changed part. If it is determined that they match, step 413 is executed. If they match, it is determined that step 411 is executed.
- Figure 6 shows the alignment method for predicting corrosion expansion. Even if the time-series corrosion data 601 and 602 in FIG. 6 are directly overlapped, as shown in the center part of FIG. Therefore, superposition is performed by the trial and error method described above, and the result of 604 shown at the bottom of Fig. 6 is obtained. Regarding the prediction of corrosion expansion, it is judged that they are consistent when the inclusion relation of the whole picture is realized.
- FIG. 7 shows an alignment method for settlement prediction. Even if the time-series pipeline shape data 701 and 702 are directly overlapped, if both distance and angle information are not accurate as in 703, they will not match. Therefore, 704 results are obtained by superimposing by the trial and error method described above. At this time, alignment can be performed by comparing the surrounding terrain of the deformed shape and seeing the match. Judgment is made when the shape around the settlement prediction change point is matched.
- Step 413 Removal of contradiction.
- the contradiction elimination unit 114 compares the positional relationship or the inclusion relationship of the corresponding attribute with the distance data associated with the predetermined attribute (arrow 136). At this time, if there is a contradiction in the positional relationship or the inclusion relationship as the time series of attribute data, it is removed or ignored. For example, for corrosion data, if the time relationship T1 ⁇ T2 and the corrosion that existed at V1 at T1 does not exist at ⁇ 2, if the corrosion that existed at T1 as a contradiction is removed? Or preserve its corrosion. At this time, a predetermined threshold value If the number of data inconsistent in the time series flow is less than or equal to the threshold value, remove it and ignore otherwise.
- Step 414 Prediction parameter acquisition and prediction processing.
- the prediction / analysis program is selected from the prediction / analysis tool 115 and applied to the change history of the shape and attribute data to predict the change (arrows 137, 139, 140).
- the predictive analysis tool 115 stores an analysis program (predictive analysis program) and a function name list thereof. When the analysis is performed by the man-machine interface in the prediction analysis unit and the analysis is specified by the function name list, the prediction analysis program is selected and called.
- An example of the corrosion expansion prediction in Fig. 2 and the settlement prediction in Fig. 3 will be described.
- FIG. 2 illustrates the expansion of corrosion data. Predict the expansion of corrosion as follows.
- Li (t + At) Li (t) + At * (Li (t) Li (t)) / (t t)
- Li Corrosion length of i direction.
- the base point is the center of the last measured corrosion data.
- the extended calorie velocity is obtained from the corrosion length and the velocity change is obtained from the acceleration.
- the corrosion rate is calculated from the difference in the length of corrosion between the current time, the previous time, and the last time
- the corrosion acceleration is calculated from the difference between the two speeds. Calculate the acceleration force and obtain the predicted value of the corrosion rate at the specified time to calculate the predicted value of the corrosion length.
- Li (t) Corrosion expansion length at time t in i direction.
- the base point is the center of the corrosion data measured last time.
- change parameters are obtained using past performance statistics.
- the change prediction statistics DB 116 is searched for soil data and related acceleration and speed parameters of corrosion expansion.
- corrosion it is possible to predict the expansion of corrosion according to the material and soil acidity. For example, in the case of soil A, if corrosion progresses at acceleration ⁇ and speed V, the corrosion rate is calculated by substituting into the above equation.
- the area that is considered a dangerous area is searched for soil data.
- a region having weak base data is selected, and the range data is preliminarily selected and the soil data stored in the change prediction statistics DB 116 is mapped. Then, it searches the range of pipelines that can help the soft foundation from the extent of the geology.
- the distance information power of the pipeline is also searched for attribute data, and pipeline height information is searched. If the height data is included in the shape data, the height information is searched. Next, the height fluctuation is calculated from the history of the height data.
- the subsidence velocity is obtained from the pipeline depth acquired at two different times, the current and the previous time, and the change in the pipeline subsidence depth is calculated from that velocity.
- Hi (t + At) Li (t) + At- (Hi (t) -Hi (t)) / (t-t)
- Hi The settlement length.
- the base point is the previously measured pipeline depth.
- the subsidence acceleration is obtained from the depth, and the subsidence acceleration force is obtained.
- the subsidence speed is calculated from the difference between the depth of the current and the previous time, the previous time and the previous time, two speed differential forces are calculated, and the predicted speed at the specified time is calculated from the acceleration. Calculate the expected value.
- the acceleration ⁇ is obtained by the following equation.
- Vi (t + At) Vi (t) + At- a
- Hi (t) Settling length. The base point is the previously measured noopline depth.
- Soil data stored in the change prediction statistics DB 116 also for the prediction of noopline settlement. It is possible to calculate the settlement speed by searching the relationship between the settlement speed V and acceleration OC.
- Step 415 Reflecting the prediction result on the map.
- the corrosion range and its expansion prediction result can be displayed.
- the corrosion expansion prediction results as shown in 214 and 215 are displayed.
- the prediction result is also displayed, and the width and length of the corrosion expansion are displayed. In particular, the spread of corrosion can be easily displayed by displaying the expansion of corrosion over time.
- the change in the settlement of the pipeline can be displayed in the longitudinal sectional view 308.
- the prediction result is also displayed and the subsidence depth is displayed.
- Stress analysis can be performed from the Finite Element Method (FEM), but it is possible to give the direction and size of the pipeline and the material of the pipeline as parameters.
- the material of the noopline is managed by attributes.
- the displacement force of the pipeline is also given as the initial value data of the travel distance parameter (deformation parameter) and the elasticity value of the pipeline material, and the load value for each part of the pipeline is calculated using the force balance condition for each part. Equivalent to seeking. This load value is calculated as the value of each triangle obtained by dividing the cylindrical pipeline into triangles, and the stress for each part is calculated.
- FIG. 1 A diagram showing an example of the configuration of a time-series pipeline management GIS.
- FIG. 2 Diagram explaining expansion prediction of pipeline corrosion.
- FIG. 3A Facility management map for explaining prediction of pipeline shape change (subsidence deformation) and a cross-sectional view of a region of interest on the facility management map.
- FIG. 3B is a cross-sectional view of a region of interest showing the result of predicting settlement.
- ⁇ 4 Time-series shape A diagram showing an example of a prediction / analysis flow using Z attribute data.
- FIG. 5 is a diagram illustrating an example of a prediction 'analysis flow using time-series shape Z attribute data.
- FIG. 6 An example of time-series corrosion data for explaining how to correlate time-series corrosion data, and shows the results of overlaying the data directly and the results of overlaying the data by trial and error.
- FIG. 7B shows the result of directly superimposing the data of FIG. 7A.
- ⁇ 8A A diagram showing an example of shape data for explaining one embodiment of the shape change difference management method.
- FIG. 8B is a diagram for explaining a method of storing the coordinate data of the shape data in FIG. 8A.
- FIG. 9A is a diagram showing an example of pre-change attribute data for explaining an embodiment of the attribute data difference management method.
- FIG. 10 is a diagram illustrating an embodiment of a time-series management method for attribute data.
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006542254A JP4601622B2 (ja) | 2004-10-29 | 2005-08-03 | 長い物体の管理システム及びプログラム |
| US11/666,339 US7729875B2 (en) | 2004-10-29 | 2005-08-03 | Long infrastructure management system and program |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004315004 | 2004-10-29 | ||
| JP2004-315004 | 2004-10-29 |
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| WO2006046342A1 true WO2006046342A1 (ja) | 2006-05-04 |
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| PCT/JP2005/014196 Ceased WO2006046342A1 (ja) | 2004-10-29 | 2005-08-03 | 長い物体の管理システム及びプログラム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7729875B2 (ja) |
| JP (1) | JP4601622B2 (ja) |
| WO (1) | WO2006046342A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009098762A (ja) * | 2007-10-15 | 2009-05-07 | Hitachi Ltd | パイプライン情報システム |
| WO2016203544A1 (ja) * | 2015-06-16 | 2016-12-22 | 株式会社 日立製作所 | データ補正システムおよびデータ補正方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110145036A1 (en) * | 2009-12-14 | 2011-06-16 | Herschmann Jr Richard Beary | Change management in route-based projects |
| US9384181B2 (en) * | 2010-12-20 | 2016-07-05 | Microsoft Technology Licensing, Llc | Generating customized data bound visualizations |
| US9489279B2 (en) * | 2011-01-18 | 2016-11-08 | Cisco Technology, Inc. | Visualization of performance data over a network path |
| US8938379B2 (en) | 2011-07-29 | 2015-01-20 | General Electric Company | Systems, methods, and apparatus for predicting impact on a pipeline delivery infrastructure |
| US10041810B2 (en) | 2016-06-08 | 2018-08-07 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors that act as movement detectors |
| CN110414776B (zh) * | 2019-06-14 | 2022-11-29 | 国网河南省电力公司郑州供电公司 | 分行业用电特性快速响应分析系统 |
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- 2005-08-03 JP JP2006542254A patent/JP4601622B2/ja not_active Expired - Fee Related
- 2005-08-03 US US11/666,339 patent/US7729875B2/en not_active Expired - Fee Related
- 2005-08-03 WO PCT/JP2005/014196 patent/WO2006046342A1/ja not_active Ceased
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| JPH11258188A (ja) * | 1998-03-10 | 1999-09-24 | Kokusai Kogyo Co Ltd | 熱映像による構造物変状診断システム及び診断方法 |
| JP2000187082A (ja) * | 1998-12-21 | 2000-07-04 | Fuji Electric Co Ltd | 降雨予測補正方法、その装置、及び記録媒体 |
| JP2002357670A (ja) * | 2001-03-30 | 2002-12-13 | Bellsystem 24 Inc | 気象予報システムと気象情報通知システム |
| JP2003185100A (ja) * | 2001-12-19 | 2003-07-03 | Osaka Gas Co Ltd | 配管網管理システム |
| JP2004037419A (ja) * | 2002-07-08 | 2004-02-05 | Nakata Sokuryo:Kk | トンネル管理図及びそのシステム |
| JP2004139623A (ja) * | 2004-01-15 | 2004-05-13 | Hitachi Ltd | 図形データ管理方法 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009098762A (ja) * | 2007-10-15 | 2009-05-07 | Hitachi Ltd | パイプライン情報システム |
| WO2016203544A1 (ja) * | 2015-06-16 | 2016-12-22 | 株式会社 日立製作所 | データ補正システムおよびデータ補正方法 |
| JPWO2016203544A1 (ja) * | 2015-06-16 | 2017-07-27 | 株式会社日立製作所 | データ補正システムおよびデータ補正方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4601622B2 (ja) | 2010-12-22 |
| US20070260336A1 (en) | 2007-11-08 |
| US7729875B2 (en) | 2010-06-01 |
| JPWO2006046342A1 (ja) | 2008-05-22 |
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