JP2003157113A - System and method for displaying recording information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system and display method for recording information display which can investigate the cause of an accident occurring to a plant and lighten the burden on an operator who investigates the cause of a quality defect of a product. SOLUTION: A plurality of pieces of recording information stored in databases 11 to 13 are displayed on the screen of a display part 15. A display control part 17 selects two pieces of recording information out of a plurality of kinds of recording information displayed on the screen according to a user's indication inputted to an input part 14. As for the selected two pieces of recording information, the recording time of other recording information to be displayed on the screen is changed according to the recording information of one piece of recording information displayed on the screen.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a record information display system for displaying each of a plurality of kinds of record information recorded in time series on a screen, and particularly to maintenance support for a steelmaking plant, an electric power plant, a chemical plant or the like. The present invention relates to a recorded information display system and a recorded information display method suitable for the system.

[0002]

2. Description of the Related Art Conventionally, in a maintenance support system for a steel plant, an electric power plant, a chemical plant, etc., sensor information obtained by various sensors installed in each plant equipment,
Time-sequentially recorded on-site images taken by cameras installed in each plant equipment and maintenance inspection information, etc., and these recorded information can be used to identify the cause of an accident that occurred in the plant and the quality of the product. It is used for investigating the cause of defects.

[0003]

By the way, in the conventional maintenance support system, when an accident occurs in the plant,
When the quality of the product is defective, the above recorded information is
The cause is investigated by investigating separately.

As described above, in the conventional maintenance support system, a plurality of record information cannot be associated with each other and can be viewed comprehensively. Therefore, the cause of the accident in the plant and the cause of the quality defect of the product can be determined. In this case, there is a problem that the burden on the operator is heavy.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the operator's burden required for investigating the cause of an accident that has occurred in a plant and the cause of quality defects in products. It is an object of the present invention to provide a recorded information display system and a recorded information display method that can be reduced.

[0006]

In order to solve the above problems, the recorded information display system of the present invention is a recorded information display system for displaying a plurality of kinds of recorded information recorded in time series on a screen. The selection means for selecting at least two pieces of record information from among the plurality of kinds of record information displayed on the screen according to the input from the outside, and the at least two pieces of record information selected by the selection means. Display control means for changing the recording time of other recording information displayed on the screen according to the recording time of any one of the recording information displayed on the screen.

Here, the plural kinds of record information recorded in time series means, for example, sensor information (information on quality of products, operation of each device) obtained by various sensors installed in each device of the plant. (Information about the status, etc.), video information recorded by a camera installed in each device, maintenance and inspection information, and the like.

According to the present invention, with the above configuration, it is possible to simultaneously display a plurality of arbitrary record information on the screen by associating the record times with each other.

With this, the operator can simultaneously view a plurality of desired record information by associating the record times with each other, so that the operator can investigate the cause of the accident that occurred in the plant and the cause of the quality defect of the product. It is possible to reduce the operator's burden required for investigation and the like.

In the recorded information display system of the present invention, when at least one of the plurality of kinds of recorded information is recorded information, the display control means has means for reproducing the recorded information, and the recorded information is recorded. When the information is reproduced, it is preferable to change the recording time of the other recording information displayed on the screen in synchronization with the change of the recording time of the recording information displayed on the screen.

By doing so, it is possible to further reduce the operator's burden required for investigating the cause of the accident that has occurred in the plant and the cause of the quality defect of the product.

In the recorded information display system of the present invention, when the plurality of kinds of recorded information are recorded in time series for each of a plurality of objects, for example, the above-mentioned sensor information and video information are , Each of the equipments constituting the plant is recorded in time series, the display control means displays at least one of the at least two pieces of record information selected by the selection means on the screen. It is preferable to change the target of other recorded information displayed on the screen according to the target of the recorded information.

By doing so, it is possible to simultaneously display a plurality of types of recording information on the screen for the object the operator is paying attention to.

The recorded information display method of the present invention is a recorded information display method of displaying on a plurality of kinds of recorded information screens recorded in time series, and is displayed on the screen according to an input from the outside. A first step of moving one of a plurality of types of recorded information and superimposing it on other recorded information;
Regarding the two pieces of record information overlapped by the first step, the record time of the other record information displayed on the screen is changed according to the record time of any one record information displayed on the screen. And a process.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

Here, a recorded information display system suitable as a maintenance support system for a steelmaking plant will be described.

FIG. 1 is a schematic functional configuration diagram of a recorded information display system which is an embodiment of the present invention.

The recorded information display system 1 of this embodiment is
As shown in FIG. 1, a sensor information database 11, a site image database 12, a maintenance record information database 13, an input unit 14, a display unit 15, an interface unit 16, and a display control unit 17 are provided. Composed.

The sensor information database 11 is a time series of sensor information such as the thickness of rolled material, the pressure of rolls, the tension of rolled material, etc. measured by the sensors installed in each equipment (rolling stand, etc.) of the steelmaking plant. To record and accumulate.

The on-site image database 12 records and accumulates image information of rolling rolls, rolled material surface, rolled material winding machine, etc., which are imaged by a camera installed in each equipment of a steelmaking plant in time series. .

The maintenance record information database 13 includes alarm information for notifying an abnormality that has occurred in each equipment of the steelmaking plant,
Maintenance record information such as repair and inspection of each device is recorded and accumulated in time series.

The display unit 15 displays the databases 11-13.
The information stored in and the menu for operating these information are displayed on the screen.

The input unit 14 receives a user's instruction. For example, it is used to select the information displayed on the display unit 15 or request reproduction of the selected information. A mouse, for example, is used as the input unit 14.

The interface section 16 fetches information to be stored in each of the databases 11-13.

As shown in FIG. 1, the display control unit 17 includes a database management unit 171, an attribute inspection unit 172, a document content comparison unit 173, a synchronization adjustment unit 174, and a statistical processing unit.
175, an image processing unit 176, and a display information setting unit 177
And a control unit 178.

The database management unit 171 reads information from each of the databases 11-13.

The attribute investigation unit 172 investigates the recording time of the information displayed on the display unit 15 and the target device of the information (plant device from which the information is obtained).

This survey is carried out, for example, in each database 1
When the information accumulated in Nos. 1 to 13 is displayed on the display unit 15, the recording time of the information, the target device, and the display position of the information on the screen are associated and stored in the memory. Then, it can be performed based on the display position of the information to be surveyed on the screen.

The document content comparison unit 173 selects the attribute inspection unit 172 from the maintenance record information retrieved from the maintenance record information database 13 by the database management unit 171.
Search the maintenance record information related to the target device of the information investigated in.

This search can be performed, for example, by using the name of the target device as a keyword and extracting maintenance record information including the name.

When attention is paid to the same object (for example, a portion having a rolled material), the synchronization adjusting section 174 sets the measurement time of the sensor for measuring the object and the imaging time of the camera for photographing the object. Calculate the time difference (deviation).

The statistical processing unit 175 obtains the maximum value, the minimum value, or the average value of various sensor information accumulated in the sensor information database 11. In addition, the regression curve of various sensor information is obtained, and the FET (First Fourier Transfor
m)

The image processing section 176 performs a binarization process on the image information stored in the on-site image database 12, takes a frame difference, and examines the luminance distribution.

The display information setting unit 177 is the attribute investigation unit 17
The recording time of the frame of video information (hereinafter, also referred to as a video frame) displayed on the display unit 15 is set based on the recording time investigated in 2 and the time difference obtained by the synchronization adjusting unit 174.

The control unit 178 centrally controls each unit of the system of this embodiment.

For example, according to a user's instruction input to the input unit 14, the database management unit 171 is requested to retrieve information, the attribute inspection unit 172 is requested to perform attribute inspection, and the statistical processing unit 175 is requested to perform statistical processing. Or request the image processing unit 176 to perform image processing, and display information setting unit 1
77 is requested to set the recording time of the video frame displayed on the display unit 15.

The control unit 178 also provides windows (hereinafter, also referred to as windows) corresponding to the databases 11 to 13 on the screen of the display unit 15, and uses the information read by the database management unit 171 as the information. The display unit 15 is controlled so as to be displayed in the window corresponding to.

Further, the control unit 178 functions as a graphical user interface together with the input unit 14 and the display unit 15.

FIG. 2 shows an example of a screen displayed on the display unit 15.

A screen 200 of the display unit 15 shown in FIG. 2 displays the sensor information accumulated in the sensor information database 11
A window 201 for displaying a trend graph having a time axis, a window 202 for displaying video information stored in the on-site video database 12, and a display of maintenance record information stored in the maintenance record information database 13. Window 203, a window 204 for displaying a system diagram of a steelmaking plant in which the system of the present embodiment is used, a menu 205 for operating the information displayed on the screen 200, and reproducing video information. , Playback operation button 206 to rewind,
A time bar 207 indicating the recording time of the video frame displayed in the window 202, and windows 201 to 20
A cursor used to select at least a part of the information displayed in No. 4 and operate the menu 205, the reproduction operation button 206, or the time bar 207
It is composed of 208 and.

The menu 205 includes an item 205a for requesting display of sensor information, an item 205b for requesting display of video information, and an item 205 for requesting display of maintenance record information.
c, item 205d requesting statistical processing, item 205e requesting image processing, and item 20 requesting synchronization adjustment.
5f and an item 205g for adding an identification number to the information displayed on the screen 200.

The reproduction operation button 206 is for reproducing, stopping, fast-forwarding, or frame-by-frame video information. The reproduction operation button 206 includes a stop button 206a, a reproduction button 206b, a fast-forward button 206c, a frame advance button 206d, a reverse reproduction button 206e, a rewind button 206f, and a reverse frame advance button 206g.

The control unit 178 specifies the display position of the cursor 208 on the screen 200 according to the position signal from the input unit 14 (if the input unit 14 is a mouse, the movement of the mouse).

Further, the control unit 178, in accordance with the selection signal from the input unit 14 (click or grab if the input unit 14 is a mouse), the information pointed to by the cursor 208, such as the information displayed in the windows 201 to 204, , Menu 205, playback operation button 206, time bar 207, or information in the area specified by the cursor 208.

Further, the control unit 178 receives the selection signal from the input unit 14, and the position signal from the input unit 14 changes (if the input unit 14 is a mouse,
Drag) moves the information selected by the selection signal to the display position on the screen 200 specified by the position signal.

The system of this embodiment uses, for example, a computer system such as a personal computer equipped with a multi-window system to execute a predetermined program stored in a storage medium such as a CD-ROM.
Can be realized.

Next, the operation of this embodiment will be described.

FIG. 3 is a flow chart for explaining the operation of the recorded information display system of this embodiment shown in FIG.

First, the control unit 178 causes the display unit 15 to display an initial screen (step 1001). Here, as shown in FIG. 2, the initial screen is displayed by the database management unit 171 in accordance with a predetermined rule.
It suffices to read information from each and display each of the read information in the corresponding windows 201 to 203.

Next, the control unit 178 analyzes the user's instruction (step 1002). Then, a command is issued to each unit so that processing corresponding to the analysis result is performed.

As a result, processing according to the analysis result is performed (step 1003 to step 1005).

Next, the processing in step 1003 of FIG. 3 will be described.

In step 1003, the user operates the input unit 1
4, items 206b to 205 of the operation button 206
It is executed when g is selected.

FIG. 4 is a flow chart for explaining the processing when the user selects the items 206b to 205g of the operation button 206.

First, the control unit 178 causes the attribute inspection unit 172.
(Step 2001).

In response to this, the attribute investigation unit 172 investigates the target device and the recording time of the video frame displayed in the window 202 (step 2002).

Next, the database management unit 171 displays the target device and the recording time investigated in step 2002, as shown in FIG.
The video frame at the recording time to be displayed next is read from the on-site video database based on the operation item selected by the user analyzed in step 1002 (step 2).
003).

For example, when the play button 206b is selected, the video frame next to the video frame whose recording time was investigated in step 2002 is read.

Further, for example, when the reverse reproduction button 206e is selected, the video frame immediately before the video frame whose recording time was examined in step 2002 is read.

Further, for example, a frame advance button 206
If d is selected, the video frame that is a plurality of frames after the video frame whose recording time was investigated in step 2002 is read.

Next, the control unit 178 controls the display unit 15 to display the video frame read by the database management unit 171 in the window 202. In addition, the display unit 15 displays the time bar 207 at the position corresponding to the recording time investigated in step 2002 on the trend graph displayed in the window 201.
Is controlled (step 2004).

Next, the control unit 178 controls the window 203.
It is determined whether or not the recording period of the maintenance record information displayed therein includes the recording time investigated in step 2002 (step 2005).

If the recording period of the maintenance record information displayed in the window 203 includes the recording time examined in step 2002, the process proceeds to step 2008, and if not, the process proceeds to step 2006. .

At step 2006, the control unit 178
It issues a command to the database management unit 171. In response to this, the database management unit 171 reads out maintenance record information for a predetermined period (for example, a period from the recording time to two months before) including the recording time investigated in step 2002 from the maintenance record information database 13.

Then, the control unit 178 controls the display unit 15 so that the maintenance record information read by the database management unit 171 is displayed in a list on the window 203 (step 2007).

At step 2008, the controller 178
It is determined whether or not the user has selected another item of the operation button 206.

If another item (for example, the stop button 206a) is selected, this flow ends. On the other hand, if no other item is selected, the process returns to step 2002 and the processes of steps 2002 to 2008 are repeated.

By doing so, the video information is made to match the recording time of the video frame displayed in the window 202 and the time position on the trend graph indicated by the time bar 207, that is, while synchronizing them. , Playback, fast forward, frame advance, etc. can be performed.

Further, the maintenance record information near the recording time of the video frame displayed in the window 202 can be displayed in the window 203.

Therefore, the user can grasp the video information, the sensor information, and the maintenance / inspection information in a temporally related manner.

It should be noted that the reproduction and fast-forwarding of the video information is performed by the input unit 1
4 can also be used to move the time bar 207 in parallel.

FIG. 5 is a flow chart for explaining the processing when the user moves the time bar 207 in parallel.

When the user uses the input unit 14 to move the time bar 207 in parallel, the control unit 178 issues a command to the attribute inspection unit 172 (step 2101).

In response to this, the attribute inspection unit 172 causes the recording time pointed by the time bar 207, that is, the window 20.
The position of the time bar 207 on the time axis of the trend graph displayed in 1 is investigated. Further, the target device of the video frame displayed in the window 202 is investigated (step 2102).

Next, the database management unit 171 stores the video information of the target device investigated in step 2102,
Similarly, the video frame at the recording time investigated in step 2102 is read from the field video database 12 (step 2103).

Then, the control unit 178 displays the video frame read by the database management unit 171 in the window 20.
The display unit 15 is controlled so that it is displayed in step 2 (step 2
104).

Next, the control unit 178 controls the window 203.
It is determined whether or not the recording period of the maintenance record information displayed in (1) includes the recording time checked in step 2102 (step 2105).

If the recording period of the maintenance record information displayed in the window 203 includes the recording time examined in step 2102, the process proceeds to step 2108, and if not, the process proceeds to step 2106.

At step 2106, the controller 178
It issues a command to the database management unit 171. In response to this, the database management unit 171 reads out maintenance record information for a predetermined period (for example, a period from the recording time to two months before) including the recording time investigated in step 2102 from the maintenance record information database 13.

Then, the control unit 178 displays the maintenance record information read by the database management unit 171 in the window 20.
The display unit 15 is controlled so that the list is displayed in the area 3 (step 2107).

At step 2108, the control unit 178
It is determined whether or not the time bar 207 is moving in parallel.

If the user is moving the time bar 207 in parallel using the input unit 14, step 2102 is executed.
Then, the processing of steps 2102 to 2108 is repeated. On the other hand, when the user has finished the parallel movement of the time bar 207, this flow ends.

By doing so, the video information is synchronized with the recording time of the video frame displayed in the window 202 and the time position on the trend graph of the time bar 207, that is, in synchronization. However, it can be played back according to the movement of the time bar 207.

Further, the maintenance record information near the time position on the trend graph of the time bar 207 can be displayed in the window 203.

Next, the processing in step 1004 of FIG. 3 will be described.

In step 1004, the user operates the input unit 1
4 is used to select at least one copy of any of the information displayed in the windows 201 to 204.

First, as the processing in step 1004,
The process when the user selects a device having a plant system diagram displayed in the window 204 will be described.

FIG. 6 is a flow chart for explaining the processing when the user selects a device having a plant system diagram displayed in the window 204.

First, the control unit 178 controls the equipment (graphic symbol) of the plant system diagram selected by the user.
Determines whether it is moving on the screen (step
3001).

As described above, the user has the input unit 14,
Using the function of the display unit 15 and the control unit 178 as a graphical user interface, at least a part of the plant system diagram displayed in the window 204 is selected and the position of the part on the screen is selected. Can be moved.

For example, as shown in FIG.
Can be used to select the device A in the plant system diagram and move it to the window 201 for displaying the sensor information.

Further, for example, as shown in FIG. 8, the equipment B of the plant system diagram can be selected using the input unit 14 and moved to the window 203 for displaying the maintenance record information.

Next, the control unit 178 causes the attribute inspection unit 172 to
Issue a command to. In response to this, the attribute research unit 172 causes the name of the device selected by the user, the time position on the trend graph indicated by the time bar 207, and the destination of movement of the device selected by the user on the screen (windows 201 to 201). 203),
Are investigated (step 3002).

Next, the attribute inspection unit 172 determines the destination of the device selected by the user on the screen (windows 201 to 20).
A command is issued to the database management unit 171 to perform the search process according to 3) (step 3003).

In steps 3004 to 3006,
In step 3003, it is executed when the destination on the screen of the device selected by the user is the window 201 for displaying the sensor information.

In step 3004, the database management unit 171 stores the sensor information of the sensors installed in the plant equipment investigated in step 3002, which is a window.
The sensor information database 11 is searched for the sensor information in the period indicated by the time axis of the trend graph displayed in 201.

Next, the control unit 178 proceeds to step 3004.
A trend graph is created using the sensor information selected in (step 3005). Then, the trend graph displayed in the window 201 is changed to the trend graph created in step 3005 (step 300
6).

Thus, the trend graph of the sensor information related to the plant equipment selected by the user can be displayed in the window 201.

Therefore, the user can immediately obtain the desired sensor information.

In the example shown in FIG. 7, the device A of the plant system diagram selected by the user is the fourth stand backup roll, and the database management unit 171 causes the sensor information “first sensor” of the sensor installed on the fourth stand backup roll. 4 stand roll pressure, 4th stand roll speed,
The fourth stand pressure reduction position "and the period" 9 "indicated by the time axis of the trend graph displayed in the window 201.
5/05/01 12:58 to 13:14 ”sensor information is searched for, and a window 20 is displayed as a trend graph.
1 is displayed.

In steps 3007 to 3008,
In step 3003, a window for displaying the video information on the screen of the device selected by the user
If it is 202, it is executed.

In step 3007, the database management unit 171 displays the video information of the plant equipment investigated in step 3002, which is the video frame captured at the recording time in the trend graph indicated by the time bar 207.
It is read from the field video database 12.

Next, the control unit 178 controls the window 202.
The video frame displayed on the screen is changed to the video frame selected in step 3007 (step 300
8).

Thus, the site image of the plant equipment selected by the user can be displayed in the window 202.

Therefore, the user can
Available immediately.

In steps 3009 to 3011,
In step 3003, the process is executed when the destination of the device selected by the user on the screen is the window 203 for displaying the maintenance record information.

At step 3009, the database management unit 171 stores the maintenance record information recorded during the predetermined period (here, two months before the recording time) including the recording time investigated at step 3002 as the maintenance record. It is read from the information database 13.

Next, the document content comparison unit 173 searches the maintenance record information read by the database management unit 171 for maintenance record information related to the plant equipment investigated in Step 3002 (Step 3010).

Next, the control unit 178 controls the window 203.
The maintenance record information listed in step 30
Change to the maintenance record information retrieved in step 10 (step 30
11).

As a result, the maintenance record information related to the plant equipment selected by the user can be displayed in the window 203.

Therefore, the user can immediately obtain the desired maintenance record information.

In the example shown in FIG. 8, the device B of the plant system diagram selected by the user is the second coiler, and is recorded by the document content comparison unit 173 during the period from May 1, 1995 to two months ago. The maintenance record information related to the third coiler “5/1 9:30 Occurrence of rolled material biting, 4/25 11:30 No second coiler abnormality” is searched from the maintenance record information that is displayed in the window 203. It shows that the list is displayed.

Next, as the processing in step 1004 of FIG. 3, the processing when the user selects the video frame displayed in the window 202 will be described.

FIG. 9 is a flow chart for explaining the processing when the user selects the video frame displayed in the window 202.

First, the control section 178 determines whether or not the video frame selected by the user is moving on the screen (step 3101).

As described above, the user is
Using the function of the display unit 15 and the control unit 178 as a graphical user interface, it is possible to select a video frame displayed on the screen and move the position of the video frame on the screen.

For example, as shown in FIG.
4 can be used to select the video information C and move it into the window 201 for displaying the sensor information.

Further, for example, as shown in FIG. 11, the video information C can be selected using the input unit 14 and moved to the window 203 for displaying the maintenance record information.

Next, the control unit 178 causes the attribute inspection unit 172 to
Issue a command to. In response to this, the attribute research unit 172 determines the recording time of the video frame selected by the user, the target device of the video frame (plant device to be captured by the camera that generated the video frame), and the target of the video frame. Destination (windows 201, 203) on the screen,
(Step 3102).

Next, the attribute inspection unit 172 performs the search processing according to the moving destination (window 201, 203) of the video frame on the screen, and the database management unit 171.
To the command (step 3103).

In steps 3104 to 3106,
In step 3103, the moving destination of the video frame on the screen is the window 20 for displaying the sensor information.
If it is 1, it is executed.

In step 3104, the database management unit 171 stores the sensor information of the sensor installed in the target device investigated in step 3102,
The sensor information for a predetermined period including the recording time investigated in 3102 (for example, a period from 2 minutes before the recording time to 14 minutes after the recording time) is read from the sensor information database 11.

Next, the control unit 178 causes the step 3104.
A trend graph is created using the sensor information selected in (step 3105).

Then, the trend graph displayed in the window 201 is changed to the trend graph created in step 3105. Further, the display unit 15 is controlled so as to display the time bar 207 at the position corresponding to the recording time investigated in step 3102 of the trend graph (step 3106).

As a result, the trend graph of the sensor information of the sensor installed in the target device of the video frame selected by the user and including the recording time of the video frame can be displayed in the window 201. it can.

Therefore, the user can comprehensively judge the video information of interest and the sensor information related to the video information.

In the example shown in FIG. 10, the video frame C selected by the user has a recording time of 95/05/02 09:
30, the target device is the third stand backup roll, and the database management unit 171 causes the sensor information “third stand roll pressure, third stand roll speed, third” of the sensor installed on the third stand backup roll.
The “stand stand-down position” and the period “95” indicated by the time axis of the trend graph displayed in the window 201.
/ 05/02 09:28 to 09:44 ”sensor information is searched, and the window 201 is displayed as a trend graph.
It is shown as being displayed inside.

Steps 3107 to 3109 are
In step 3103, the moving destination of the video frame on the screen is the window 2 for displaying the maintenance record information.
If it is 03, it is executed.

At step 3107, the database management unit 171 stores the maintenance record information recorded during the predetermined period (here, two months before the recording time) including the recording time investigated at step 3102 as the maintenance record. It is read from the information database 13.

Next, the document content comparison unit 173 searches the maintenance record information read by the database management unit 171 for maintenance record information related to the target device investigated in step 3102 (step 3108).

Next, the control unit 178 controls the window 203.
The maintenance record information listed in step 31
Change to the maintenance record information retrieved in step 09 (step 31
09).

As a result, the maintenance record information related to the target device of the video frame, including the recording time of the video frame, can be displayed in a list in the window 203.

Therefore, the user can comprehensively judge the video information of interest and the maintenance record information related to the video information.

In the example shown in FIG. 11, the video frame C selected by the user has a recording time of 95/05/02 09:
30, the target device is the third stand backup roll, and the database management unit 171 stores the maintenance record information related to the third stand backup roll,
Maintenance record information from 5/05/02 09:30 to 2 months ago "3/20 3rd stand backup roll replacement, 4/20 3rd stand backup roll inspection no abnormality" is searched and a list is displayed in window 203. It is shown that it is being done.

Next, as the processing in step 1004 of FIG. 3, the processing when the user selects the sensor information displayed in the window 201 will be described.

FIG. 12 is a flow chart for explaining the processing when the user selects the sensor information displayed in the window 201.

First, the control unit 178 determines whether or not the partially selected sensor information is moving on the screen (step 3201).

As described above, the user is
Using the function of the display unit 15 and the control unit 178 as a graphical user interface, it is possible to select at least a part of the sensor information displayed on the screen and move the position of the part on the screen. it can.

For example, as shown in FIG.
4, a part E of the sensor information D of the second stand plate thickness displayed in the window 201 can be selected and moved to the window 202 for displaying the video information.

Further, for example, as shown in FIG. 14, the input section 14 is used to select a part G of the sensor information F of the first stand roll pressure displayed in the window 201 to display the maintenance record information. It is also possible to move into the window 203 for displaying.

Next, the control unit 178 causes the attribute examining unit 172
Issue a command to. In response to this, the attribute research unit 172 determines the target device in which the sensor that has measured the partially selected sensor information is installed, and the start time of the partially selected sensor information on the trend graph (see FIG. In the example of 13, Est
The time corresponding to the position of art) and the end time (in the example of FIG. 13, the time corresponding to the position of Eend), and the destination (window 201, window 201,) of the partially selected sensor information.
203) and (step 3202).

Next, the attribute inspection unit 172 moves the destination of the partially selected sensor information (windows 201, 20).
A command is issued to the database management unit 171 to perform the search process according to 3) (step 3203).

In steps 3204 to 3208,
In step 3203, the process is executed when the destination of the sensor information selected by the user on the screen is the window 202 for displaying the video information.

In step 3204, the database management unit 171 stores the video information of the target device investigated in step 3202, which is the video frame whose recording time is the start time also investigated in step 3202, as the on-site video database 12. Read from.

Next, the control unit 178 proceeds to step 3204.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also, time bar 2
The display unit 15 is controlled so as to display 07 in the trend graph displayed in the window 201 at the position corresponding to the start time investigated in step 3202 (step 3205).

Next, the control unit 178 determines whether or not the display position of the time bar 207 on the trend graph matches the end time examined in step 3202 (step 3206).

If they do not match, the process proceeds to step 3207, and if they match, this flow ends.

In step 3207, the database management unit 171 determines the video information next to the video frame displayed in the window 202, which is the video information for shooting the target device investigated in step 3202, as the field video database 12. Read from.

Next, the control section 178 proceeds to step 3207.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also the window
The display unit 15 is controlled so as to display the time bar 207 at the position corresponding to the recording time of the read video frame on the trend graph displayed at 201 (step 3208).

After that, the routine goes to Step 3206, and the processing of Steps 3206 to 3208 is repeated until the display position of the time bar 207 on the trend graph coincides with the end time examined in Step 3202.

By doing so, the video information related to the sensor information selected by the user, and the video information captured in the period from the start time to the end time of a part of the selected sensor information. Can be played in the window 202.

Further, the time bar 207 is displayed on the window 20.
It is possible to move it while making it coincide with the recording time of the video frame displayed in 2, that is, in synchronization.

Therefore, the user can comprehensively judge the sensor information of interest and the video information related to the sensor information.

In the example shown in FIG. 13, the start time Estart “95/0 of the sensor information E, which is the video information of the“ second stand ”related to the sensor information E partially selected by the user, is displayed.
5/02 14:17:00 ”-end time Eend“ 95
“05/02 14:22:00”, the video information captured during the period is reproduced in the window 202.

In steps 3209 to 3211,
In step 3203, the process is executed when the destination of the sensor information selected by the user on the screen is the window 203 for displaying the maintenance record information.

At step 3209, the database management unit 171 records the maintenance record information recorded during the predetermined period (here, two months before the start time) including the start time and / or the end time investigated at step 3202. Is read from the maintenance record information database 13.

Next, the document content comparison unit 173 searches the maintenance record information read by the database management unit 171 for maintenance record information related to the target device investigated in step 3202 (step 3210).

Next, the control unit 178 controls the window 203.
Enter the maintenance record information listed in step 32
Change to the maintenance record information retrieved in step 10 (step 32)
11).

As a result, the maintenance record information relating to the sensor information selected by the user and including the start time and / or the end time of the selected sensor information is displayed in the window 203 as a list. can do.

Therefore, the user can comprehensively judge the sensor information of interest and the maintenance record information related to the sensor information.

In the example shown in FIG. 14, the maintenance record information related to the sensor information G "first stand roll pressure" selected by the user, and the start time Gst of the sensor information G is shown.
art maintenance record information from "95/05/02 14:13:30" to 2 months ago "3/12 1st stand work roll exchange, 4/12 1st stand backup roll inspection No abnormality, 4/21 1st “Standwork roll inspection no abnormality” is retrieved and displayed in a list in the window 203.

Next, as the processing in step 1004 of FIG. 3, the processing when the user selects the maintenance record information displayed in the window 203 will be described.

FIG. 15 is a flow chart for explaining the processing when the user partially selects the maintenance record information displayed in the window 203.

First, the control section 178 determines whether or not the maintenance record information selected in part is moving on the screen (step 3301).

As described above, the user uses the input unit 14,
Using the function of the display unit 15 and the control unit 178 as a graphical user interface, at least a part of the maintenance record information listed in the window 203 is selected and displayed on the screen of the selected part. You can move the position of.

For example, as shown in FIG.
4, a part H of the maintenance record information listed in the window 203 can be selected and moved to the window 202 for displaying the video information.

Further, for example, as shown in FIG. 17, a part H of the maintenance record information displayed in the window 203 is selected by using the input unit 14, and the window 203 for displaying the sensor information is displayed. You can also move to.

Next, the control unit 178 causes the attribute examining unit 172
Issue a command to. In response to this, the attribute investigation unit 172 causes the target device of the selected maintenance record information, the recording time of the selected maintenance record information, and the movement destination (window 201, window 201) of the selected maintenance record information on the screen. 202) and (step 3302).

Next, the attribute inspection unit 172 performs the search processing according to the destination (window 201, 202) of the selected maintenance record information so that the database management unit 17 can perform the search processing.
1 is issued (step 3303).

Steps 3304 and 3305 are
In step 3303, it is executed when the destination of the selected maintenance record information on the screen is the window 202 for displaying the video information.

In step 3304, the database management unit 171 extracts from the on-site image database 12 the image information of the target device investigated in step 3302, which is the image frame imaged at the recording time similarly investigated in step 3302. read out.

Next, the control unit 178 proceeds to step 3304.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also the window
Step 3 of the trend graph displayed in 201
The display unit 15 is controlled so as to display the time bar 207 at the position corresponding to the recording time investigated in step 302 (step 3305).

By doing so, it is possible to display, in the window 202, the video frame related to the maintenance record data partially selected by the user, the video frame being imaged at the recording time of the maintenance record data. You can

Therefore, the user can collectively judge the maintenance record information of interest and the video information related to the maintenance record information.

In the example shown in FIG. 16, the video information of the "second stand-work roll" related to the maintenance record information H partially selected by the user, and the recording time of the maintenance record information H is "95/05 // The video frame captured at “01 13:00” is displayed in the window 202.

Steps 3306 to 3308 are
In step 3303, it is executed when the destination of the selected maintenance record information on the screen is the window 201 for displaying the sensor information.

In step 3306, the database management unit 171 stores the sensor information of the sensor installed in the target device investigated in step 3302, and
The sensor information for a predetermined period (here, 2 minutes before the recording time and 14 minutes after the recording time) including the recording time investigated in 3302 is read from the sensor information database 11.

Next, the control unit 178 proceeds to step 3306.
A trend graph is created using the sensor information read in (step 3307).

Then, the trend graph displayed in the window 201 is changed to the trend graph created in step 3307 (step 3308).

As a result, the trend graph including the recording time of the maintenance record information, which is the sensor information related to the maintenance record information selected by the user, is displayed in the window 20.
It can be displayed within 1.

Therefore, the user can comprehensively judge the maintenance record information of interest and the sensor information related to the maintenance record information.

In the example shown in FIG. 17, the "second stand roll pressure, second stand roll speed, second stand roll-down position" related to the maintenance record information H partially selected by the user.
The sensor information of the sensor information recorded at 95/05/01 12:58 to 13:14 including the recording time of the maintenance record information H is displayed in the window 201 as a trend graph. Shows.

Next, the processing in step 1005 of FIG. 3 will be described.

In step 1005, the user operates the input unit 1
4, items 205a to 205g of the menu 205
It is executed when is selected.

First, the user selects item 20 of menu 205.
The process when 5d is selected will be described.

FIG. 18 is a flow chart for explaining the processing when the user selects the item 205d of the menu 205.

First, the control unit 178 waits for the user to select any one of the various sensor information displayed in the window 201 (step 4001).

Next, the control unit 178 causes the attribute examining unit 172
Issue a command to. In response to this, the attribute investigation unit 172 investigates the type of sensor information selected in step 4001 and the target device, and the start time and end time of the time axis of the trend graph displayed in the window 201 ( Step 4002).

Next, the database management unit 171 extracts from the sensor information database 11 the sensor information of the name investigated in step 4002, which is the sensor information measured from the start time to the end time similarly investigated in step 4002. Read out (step 4003).

Next, the control unit 178 controls the statistical processing item 20.
The display unit 15 displays the 5d submenu on the screen.
Is controlled (4004).

As shown in FIG. 19, the submenu of the item 205d includes an item 215a for obtaining the minimum value of the sensor information displayed in the window 201, an item 215b for obtaining the maximum value of the sensor information, and the sensor information. 215c for obtaining the average value of the
It is composed of an item 215d for performing processing and an item 215e for obtaining a regression curve of the sensor information.

Next, the control unit 178 proceeds to step 4004.
215a to 215 of the submenu 215 displayed in
It waits until any one of e is selected (step 4005).

The control unit 178 then proceeds to step 400.
The statistical processing unit 175 is instructed to perform statistical processing according to the item selected in step 5 (step 4006).

Steps 4007 to 4009 are
It is executed when the item selected in step 4005 is the item 215a for which the minimum value is obtained.

In step 4007, the statistical processing section 175
Detects the recording time of the minimum sensor information from the sensor information read in step 4003.

Next, the statistical processing section 175 determines in step 40.
The record information detected in 07 and the target device investigated in step 4002 are notified to the database management unit 171.

In response to this, the database management unit 171
Is video information obtained by photographing the target device investigated in step 4002, and the video frame at the recording time detected in step 4007 is read from the site video database 12 (step 4008).

Next, the control unit 178 causes the step 4008.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also the window
Step 4 of the trend graph displayed in 201
At the position corresponding to the recording time detected in 007, the time bar 2
The display unit 15 is controlled so as to display 07 (step 4009).

Steps 4010 to 4012 are
The process is executed when the item selected in step 4005 is the item 215b for which the maximum value is requested.

Note that the processing here is performed in step 4010, except that the statistical processing unit 175 detects the recording time of the maximum sensor information from the sensor information read in step 4003. 4007-4
Same as 009.

In the example shown in FIG. 19, the image information of the “first stand” related to the sensor information I selected by the user, and the recording time “12: 5 of the maximum value of the sensor information I” is set.
The video frame captured at 7:30 ”is displayed in window 2
02, and the time bar 207 is displayed at the position corresponding to the recording time “12:57:30” of the maximum value of the sensor information I in the trend graph displayed in the window 201. It shows the situation.

Step 4013 is a process executed when the item selected in step 4005 is the item 215c for which the average value is to be calculated. The statistical processing section 175 causes the statistical processing unit 175 to calculate the average value of the sensor information values read in step 4003. Ask for.

Step 4014 is a process executed when the item selected in step 4005 is the item 215d for which FFT is requested, and the statistical processing unit 175 performs FFT on the sensor information read in step 4003.

Step 4015 is a process executed when the item selected in step 4005 is the item 215e for which a regression curve is obtained, and the statistical processing unit 175 obtains the regression curve of the sensor information read in step 4003. .

Step 4016 includes steps 4014 to 4014.
The result obtained in step 4015 is output to the display unit 15 or other output device (not shown).

Next, the user selects item 20 of menu 205.
The process when 5e is selected will be described.

FIG. 20 is a flow chart for explaining the processing when the user selects the item 205e of the menu 205.

First, the control unit 178 waits for the user to specify the area in the video frame displayed in the window 202 where image processing is desired (step 41).
01).

The image processing area can be specified by using the functions of the graphical user interface included in the input unit 14, the display unit 15 and the control unit 178.

When the area to be image-processed is designated, the control unit 178 causes the coordinates for specifying the position of the designated area on the window 202 (for example, in the case where the specifiable area is a rectangle, diagonally). Image processing unit 176
(Step 4102).

[0211] Next, the attribute examining unit 172 determines that the window 2
The recording time of the video frame displayed in 02 and the target device are investigated (step 4103).

Next, the control section 178 controls the image processing item 20.
The display unit 15 displays the submenu of 5e on the screen.
(Step 4104).

As shown in FIG. 21, the submenu of the item 205e is 2 for the area designated in step 4101 of the video frame displayed in the window 202.
The item 225a for performing the value conversion process, the item 225b for obtaining the inter-frame difference in the area specified in step 4101 of the video information captured within the predetermined period including the recording time of the video frame, and the video frame Item 225c for obtaining the luminance distribution for the area specified in step 4101, and step 4101 of the video frame.
Item 225 for performing FFT processing on the area specified by
d and.

Next, the control section 178 proceeds to step 4104.
It waits until any one is selected from the items 225a to 225e of the sub menu displayed in step (step 41).
05).

Then, the control unit 178 proceeds to step 410.
The image processing unit 176 is instructed to perform image processing according to the item selected in step 5 (step 4106).

The steps 4107 to 4109 are
This is executed when the item selected in step 4103 is the item 225a for which binarization processing is requested.

At step 4107, the database management unit 171 reads from the on-site video database 12 the video information of the target device investigated at step 4103, which is also the video frame at the recording time investigated at step 4103.

Next, the image processing section 176 proceeds to step 41.
Of the pixels that make up the video frame read in 07,
The pixels in the area specified by the coordinates obtained in step 4102 are binarized (for example, white and black) by comparing the luminance value of each pixel with a predetermined threshold value (step 4108).

Next, the control unit 178 proceeds to step 4107.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also, step 41
For the area specified by the coordinates obtained in 02,
To display the binarized image in step 4108,
The display unit 15 is controlled (step 4109).

Steps 4110 to 4114 are
This is executed when the item selected in step 4105 is the item 225b for which the interframe difference is obtained.

At step 4110, the database management 171 is the image information of the photographing device investigated at step 4103, and the predetermined time (for example, one hour before) of the recording time investigated at step 4103 is also set to the predetermined recording time. Video frames after time (for example, after one hour) are read from the field video database 12 sequentially or at intervals of n (natural number) frames.

Next, the image processing section 176 proceeds to step 41.
With respect to the video frames read sequentially or at intervals of n frames in 10, a change in the brightness value between adjacent frames (interframe difference) is detected (step 4111).

Next, the image processing section 176 proceeds to step 41.
The video frame having the maximum inter-frame difference detected in 11 is detected, and the recording time of the video frame is transmitted to the database management unit 12 (step 4112).

In response to this, the database management unit 12
Is the video information of the target device investigated in step 4106, and the video frame at the recording time sent from the image processing unit 176 in step 4112 is read from the site video database 12 (step 4113).

Next, the control unit 178 proceeds to step 4113.
The display unit 15 is controlled so that the video frame read in step 3 is displayed in the window 202. Also, time bar 2
The display unit 15 is controlled so as to display 07 in the trend graph displayed in the window 201 at a position corresponding to the recording time of the video frame (step 41).
14).

In the example shown in FIG. 21, in the area J designated by the user, the video frame having the largest inter-frame difference is displayed in the window 202, and the time bar 207 is displayed in the window 201. The recording time of the video frame in the graph is "13: 0
The state is displayed at a position corresponding to "0".

As described above, by detecting the video frame having the largest inter-frame difference, displaying the video frame, and displaying the recording time of the video frame and the value of the sensor information at that time. The user can easily detect the abnormality that has occurred in the plant equipment.

The steps 4115 to 4117 are
This is executed when the item selected in step 4105 is the item 225c for which the luminance distribution is obtained.

At step 4115, the database management unit 171 reads from the on-site video database 12 the video frame of the photographing target investigated at step 4103, which is also the video frame at the recording time examined at step 4103.

Next, the image processing section 176 proceeds to step 41.
Of the pixels that make up the video frame read in 15,
The luminance distribution is obtained for the pixels in the area specified by the coordinates obtained in step 4102 (step 41
16).

Then, the result obtained in step 4116 is output to the display unit 15 or other output device (not shown) (step 4117).

Steps 4118 to 4120 are
This is executed when the item selected in step 4105 is the item 225d for which FFT processing is requested.

At step 4120, the database management unit 171 reads out from the on-site video database 12 the video frame of the photographing target investigated at step 4103 and the video frame at the recording time also examined at step 4103 (step 4118). .

Next, the image processing section 176 proceeds to step 41.
Of the pixels that make up the video frame read in 18,
FFT processing is performed on the pixels in the area specified by the coordinates obtained in step 4102 (step 41).
19).

Then, the result obtained in step 4119 is output to the display unit 15 or other output device (not shown) (step 4120).

Next, the processing when the user selects the synchronization adjustment item 205f of the menu 205 will be described.

FIG. 22 is a diagram showing a camera and a sensor installed near the rolling stand (third stand) of the plant to which this embodiment is applied. Here, 301 is a rolling roll, 302 is a rolled material, and 303 is an IT for photographing the rolled material.
V camera, 304 is a plate speed sensor that measures the feed rate of the rolled material, and 305 is a plate thickness sensor that measures the thickness of the rolled material.

As shown in FIG. 22, the camera and the sensor may not be installed at the same position depending on the structure of the plant equipment. In such a case, when attention is paid to a certain portion of the rolled material, a time difference between the time taken by the camera and the time measured by the sensor occurs.

In this case, the rolled material portion indicated by the image frame displayed in the window 202 does not match the rolled material portion for which the sensor information indicated by the time bar 207 is obtained.

The synchronization adjustment item 205f is for adjusting this deviation to display a video frame of the rolled material portion corresponding to the sensor information obtained at the recording time indicated by the time bar 207.

FIG. 23 is a flow chart for explaining the processing when the user selects the synchronization adjustment item 205f of the menu 205.

First, the attribute examining unit 172 determines that the window 2
The recording time of the video frame displayed in 02 and the target device (rolling stand) of the video frame are investigated (step 4201).

Next, the control unit 178 controls the display unit 15 to display the sub menu of the synchronization adjustment processing item 205f on the screen (step 4202).

As shown in FIG. 24, the submenu of the item 205f includes an item 235a for manually setting the time difference between the recording time of the video frame displayed in the window 202 and the recording time indicated by the time bar 207, and the time difference is automatically set. And an item 235b to be set.

Next, the control unit 178 proceeds to step 4202.
It waits until any one of the items 235a and 235b of the sub menu displayed in step 3 is selected (step 4203).

The control unit 178 then proceeds to step 420.
A command is issued to each unit to perform the synchronization adjustment processing according to the item selected in step 3 (step 4204).

If the item selected in step 4203 is the item 235a for which manual adjustment processing is requested, the control unit 17
8 waits for the user to input the time difference between the recording time of the video frame displayed in the window 202 and the recording time indicated by the time bar 207 to the input unit 14 (step 4205). Then, after the time difference is input to the input unit 14, the process proceeds to step 4207.

On the other hand, when the item selected in step 4203 is the item 235b for which automatic adjustment processing is requested, the synchronization adjustment unit 174 determines whether the recording time of the video frame displayed in the window 202 and the recording time indicated by the time bar 207 are displayed. The time difference is obtained (step 4206).

Calculation of the time difference is performed as follows.

First, the distance between the sensor and the camera for the rolling stand investigated in step 4205 is read from the memory in which the distance between the sensor and the camera installed for each rolling stand constituting the plant is stored in advance.

Next, the time difference is obtained by dividing the distance between the sensor and the camera read out from the memory by the feed rate of the rolled material which is stored in advance or measured by the sensor.

At step 4207, the display information setting unit 1
77 is the difference between the recording time investigated in step 4201 and the time input in step 4205, or step 42
The recording time of the video frame to be displayed in the window 202 is set based on the time difference obtained in 06.

Next, the database management unit 171 reads from the on-site video database 12 the video frame of the target equipment (rolling stand) investigated in step 4201, which is the video frame at the recording time set in step 4207 (step 4208).

Next, the control unit 178 controls the window 202.
The video frame displayed inside is changed to the video frame read in step 4208 (step 4209).

FIG. 25 shows an example of a display screen when the flow shown in FIG. 23 is performed. In FIG. 25, the user has selected the automatic adjustment item 235b, whereby the recording time of the video frame displayed in the window 202 and the recording time indicated by the time bar 207 at this time are automatically adjusted. Is shown.

By doing so, for example, FIG.
At, the video frame of the wavy K generated on the rolled material 302, which is captured by the ITV camera 303, is displayed while the time bar 207 is aligned with the recording time when the wavy portion K generated on the rolled material is measured by the plate thickness sensor. can do.

When the items 206b to 206g of the operation button 206 are selected after the flow shown in FIG. 23 is executed, the video frame read by the database management unit 171 is selected in step 2004 of the flow shown in FIG. The time is displayed in the window 202, and on the trend graph displayed in the window 201, at the position corresponding to the time when the time difference obtained in step 4205 or step 4206 of FIG. 23 is added to the recording time of the video frame. It is preferable to display the time bar 207.

By doing so, the window 202
The recording time of the video frame displayed on the screen and the time bar 20
The time difference from the recording time indicated by 7 is calculated in step 42 of FIG.
It is possible to perform synchronized reproduction of video information, fast-forward, etc. while maintaining the time difference obtained in step 05 or step 4206.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the gist thereof.

For example, in the above embodiment, the user selects some information from the information displayed in the windows 201 to 203, moves it, and displays it in a window other than the window in which the selected information is displayed. It has been described that the information displayed in the window in which the selected information is overlapped is changed to the one related to the selected information by overlapping the above.

However, the present invention may be such that the selected information is changed to information related to the information displayed in the window in which the selected information is overlaid.

Further, in the above embodiment, the window 2
One of the information displayed in 01 to 203 is selected, moved, and overlapped with a window other than the window in which the selected information is displayed, thereby identifying two pieces of information to be associated with each other. I explained.

However, the present invention may specify two pieces of information to be associated with each other by another method. For example, in FIG. 2, the items of the menu 205
By selecting two items from 205a to 205c,
You may make it specify the two information matched with each other.

[0264] In addition, the information to be associated is not limited to two pieces, but three or more pieces of information may be associated.

[0265]

As described above, according to the present invention,
It is possible to view multiple record information related to the plant at the same time by associating the record times with each other, so that it is possible to view the multiple record information comprehensively. It becomes easier to investigate.

[Brief description of drawings]

FIG. 1 is a schematic functional configuration diagram of a recorded information display system that is an embodiment of the present invention.

FIG. 2 is a diagram showing a screen displayed on a display unit shown in FIG.

FIG. 3 is a flowchart for explaining the operation of the recorded information display system shown in FIG.

FIG. 4 is a flowchart for explaining processing when a user selects an item of an operation button 206 shown in FIG.

FIG. 5 is a flowchart for explaining processing when the user translates the time bar 207 shown in FIG.

FIG. 6 is a flowchart for explaining processing when the user selects a device having a plant system diagram displayed in the window 204 shown in FIG.

7 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

FIG. 8 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

FIG. 9 is a flowchart for explaining processing when the user selects a video frame displayed in the window 202 shown in FIG.

FIG. 10 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

11 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

FIG. 12 is a flowchart for explaining the processing when the user selects the sensor information displayed in the window 201 shown in FIG.

FIG. 13 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

14 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

FIG. 15 is a flowchart for explaining processing when the user partially selects the maintenance record information displayed in the window 203 shown in FIG.

16 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

17 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

18 is an item 2 of the menu 205 shown in FIG. 2 by the user.
It is a flow diagram for explaining a process when 05d is selected.

19 is a diagram showing an example of a display screen for explaining the flow shown in FIG.

20 is an item 2 of the menu 205 shown in FIG. 2 by the user.
It is a flow diagram for explaining a process when 05e is selected.

FIG. 21 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 20.

FIG. 22 is a diagram showing an example of a camera and a sensor installed near a rolling stand of a plant to which this embodiment is applied.

FIG. 23 is a flowchart for explaining processing when the user selects the synchronization adjustment item 205f of the menu 205 shown in FIG.

FIG. 24 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 23.

FIG. 25 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 23.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Record information display system, 11 ... Sensor information database, 12 ... Site image database, 13 ... Maintenance record information database, 14 ... Input part, 15 ... Display part, 16 ...
Interface part, 17 ... Display control part, 171 ... Database management part, 172 ... Attribute investigation part, 173 ... Document content comparison part, 174 ... Synchronization adjustment part, 175 ... Statistical processing part,
176 ... Image processing unit, 177 ... Display information setting unit, 178
... Control unit, 200 ... Display screen, 201-204 ... Window, 205 ... Menu, 206 ... Operation button, 301
... Rolling roll, 302 ... Rolling material, 303 ... Camera, 30
4 ... Plate speed sensor, 305 ... Plate thickness sensor.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shohei Fukuoka             5-2-1 Omika-cho, Hitachi City, Ibaraki Prefecture             Ceremony company Hitachi Ltd. Omika factory F-term (reference) 5H223 AA01 BB01 CC03 DD09 EE08

Claims (7)

[Claims] 1. A record information display system for displaying a plurality of kinds of record information recorded in time series on a screen, wherein the plurality of kinds of record information displayed on the screen according to an input from the outside. The selection means for selecting at least two pieces of record information, and the at least two pieces of record information selected by the selection means are displayed on the screen according to the recording time of any one of the pieces of record information displayed on the screen A record information display system, comprising: a display control unit that changes a record time of other record information to be displayed. 2. The recording information according to claim 1, wherein at least one of the plurality of types of recording information is recording information, and the display control means has means for reproducing the recording information, and reproducing the recording information. In this case, the recording time of other recording information displayed on the screen is changed in synchronism with the change of the recording time of the recording information displayed on the screen. 3. The display control means according to claim 2, wherein when the recording information is reproduced on the screen, a recording time of the recording information displayed on the screen and other recording information displayed on the screen are displayed. A recorded information display system having a synchronization adjusting means for setting a time difference from a recording time. 4. The display device according to claim 1, wherein at least one of the plurality of types of recorded information is displayed on a screen as a trend graph having a time axis. When at least one of the at least two pieces of recording information selected by the selecting means is displayed as the trend graph, a graphic showing the recording time of other recording information displayed on the screen is displayed on the time axis of the trend graph. A recorded information display system characterized by being displayed on. 5. The information according to claim 1, 2, 3 or 4, wherein each of the plurality of types of recording information is recorded in time series for each of a plurality of objects, and the display control means includes the selection means. Record information display characterized by changing the target of other record information displayed on the screen according to the target of any one record information displayed on the screen for at least two record information selected in system. 6. The selection means according to claim 1, 2, 3, 4 or 5, wherein one of a plurality of types of record information displayed on the screen is moved to another record information. A record information display system characterized by selecting two record information by superimposing. 7. A recorded information display method for displaying on a screen of plural kinds of recorded information recorded in time series, wherein among plural kinds of recorded information displayed on the screen according to an input from the outside. Of one of the record information displayed on the screen for the first step of moving one of the two and the two record information overlapped by the first step. And a second step of changing the recording time of other recorded information displayed on the screen according to the time, the recorded information display system.