JPH10207530A - Recording information display system and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide recording information display system and method capable of reducing operator's burden to be required for the investigation of the cause of an accident generated in a plant, the investigation of the cause of defective quality of a product, or the like. SOLUTION: Plural recording information data stored in respective data bases 11 to 13 are displayed on the screen of a display part 14. A display control part 17 selects two recording information out of plural kinds of recording information displayed on the screen in accordance with a user's instruction inputted to an input part 14. The recording time of other recording information to be displayed on the screen is changed in accordance with the recording time of either one of the two selected 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 a plurality of types of record information recorded in time series on a screen, and more particularly, to maintenance support for an iron making plant, a power plant, a chemical plant and the like. The present invention relates to a recording information display system and a recording information display method suitable for a system.

[0002]

2. Description of the Related Art Conventionally, maintenance support systems for steelmaking plants, electric power plants, chemical plants, and the like have used sensor information obtained by various sensors installed in each plant equipment.
The site video captured by the camera installed in each plant equipment and the maintenance and inspection information are recorded in chronological order, and the recorded information can be used to investigate the cause of the accident that occurred in the plant and to determine the quality of the product. Used to determine the cause of defects.

[0003]

By the way, in the conventional maintenance support system, when an accident occurs in a plant,
When the quality of the product is poor, the above recorded information is
We investigate separately and investigate the cause.

As described above, in the conventional maintenance support system, a plurality of pieces of record information cannot be related to each other and can not be comprehensively viewed. However, there is a problem that the burden on the operator is large.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the burden on an operator required to determine the cause of an accident that has occurred in a plant or the cause of poor quality of a product. It is an object of the present invention to provide a recording information display system and a recording information display method that can reduce the number.

[0006]

In order to solve the above problems, a recording information display system according to the present invention is a recording information display system for displaying a plurality of types of recording information recorded in time series on a screen. Selecting means for selecting at least two pieces of recording information from among the plurality of types of recording information displayed on the screen according to an external input; and at least two pieces of recording information selected by the selecting means. Display control means for changing the recording time of other recording information displayed on the screen in accordance with the recording time of any one of the recording information displayed on the screen.

Here, a plurality of types of record information recorded in time series are, for example, sensor information (information on quality of products, operation of each device, etc.) obtained by various sensors installed in each device of a plant. Status information), video information recorded by a camera installed in each device, maintenance inspection information, and the like.

According to the present invention, a plurality of arbitrary pieces of record information can be simultaneously displayed on a screen by associating the record times with each other by the above configuration.

With this, the operator can simultaneously view a plurality of desired pieces of record information while associating the record times with each other, so as to determine the cause of the accident that has occurred in the plant and to determine the cause of the defective product. It is possible to reduce the burden on the operator required for the investigation.

In the recording information display system according to the present invention, when at least one of the plurality of types of recording information is recording information, the display control means includes means for reproducing the recording information, When reproducing information, it is preferable to change the recording time of other recording information displayed on the screen in synchronization with a change in the recording time of the recording information displayed on the screen.

In this way, it is possible to further reduce the burden on the operator required to determine the cause of an accident that has occurred in the plant and to determine the cause of the defective product.

In the recorded information display system of the present invention, when each of the plurality of types of recorded information is recorded in a time series for each of a plurality of objects, for example, the above-described sensor information and video information may In the case where each of the devices constituting the plant is recorded in chronological order, the display control unit may perform any one of the at least two pieces of recording information selected by the selection unit on a screen. It is preferable to change the target of other record information displayed on the screen according to the target of the record information.

In this way, a plurality of types of record information can be simultaneously displayed on the screen for the object of interest of the operator.

The recorded information display method of the present invention is a recorded information display method for displaying on a plurality of types of recorded information screens recorded in chronological order, wherein the recorded information is displayed on the screen in accordance with an external input. A first step of moving one of the plurality of types of recording information, and superimposing it on another recording information;
For the two recording information overlapping by the first step, according to the recording time of any one of the recording information displayed on the screen, change the recording time of the other recording information displayed on the screen. And a step.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

Here, a record 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 recording information display system according to an embodiment of the present invention.

The recorded information display system 1 of the present embodiment comprises:
As shown in FIG. 1, a sensor information database 11, a site video 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. Be composed.

The sensor information database 11 chronologically stores sensor information such as the thickness of a rolled material, the pressure of a roll, the tension of a rolled material, and the like, which are measured by sensors installed in various devices (rolling stands and the like) of a steel plant. Record and accumulate.

The on-site video database 12 records and accumulates, in time series, video information of a rolling roll, a rolled material surface, a rolled material winding machine, and the like, which are captured by a camera installed in each device of the steelmaking plant. .

The maintenance record information database 13 includes alarm information for notifying an abnormality that has occurred in each device of the steelmaking plant,
It records and accumulates maintenance record information, such as repairs and inspections of each device, in chronological order.

The display unit 15 displays each of the databases 11 to 13
Is displayed on the screen, and information stored in the storage device and menus for operating the information are displayed.

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

The interface unit 16 takes in information stored in each of the databases 11 to 13.

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

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

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

This survey is performed, for example, in each database 1
When displaying the information accumulated in 1 to 13 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 with each other and stored in the memory. Thus, it can be performed based on the display position of the information to be investigated on the screen.

The document content comparison unit 173 is used by the database management unit 171 to select an attribute investigation unit 172 from the maintenance record information extracted from the maintenance record information database 13.
Search for maintenance record information related to the target device of the information investigated in step 2.

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 adjustment unit 174 determines the measurement time of the sensor for measuring the object and the photographing time of the camera for photographing the object. Calculate the time difference (shift).

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

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

The display information setting unit 177 includes the attribute checking unit 17
Based on the recording time examined in step 2 and the time difference obtained by the synchronization adjustment unit 174, the recording time of a frame of video information (hereinafter, also referred to as a video frame) displayed on the display unit 15 is set.

The control section 178 controls each section of the system of this embodiment.

For example, in accordance with a user's command input to the input unit 14, the database management unit 171 is requested to search for information, the attribute research unit 172 is requested to perform an attribute search, and the statistical processing unit 175 is requested to perform statistical processing. Or request the image processing unit 176 to perform image processing.
At 77, a request is made to set the recording time of the video frame displayed on the display unit 15.

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

The screen 200 of the display unit 15 shown in FIG. 2 displays the sensor information stored in the sensor information
A window 201 for displaying a trend graph having a time axis, a window 202 for displaying video information stored in the site video database 12, and a display for maintenance record information stored in the maintenance record information database 13. Window 203, a window 204 for displaying a system diagram of a steel plant in which the system of the present embodiment is used, a menu 205 for operating information displayed on the screen 200, and reproduction of video information. , A playback operation button 206 for rewinding,
A time bar 207 indicating the recording time of the video frame displayed in the window 202;
4 includes a cursor 205 used to select at least a part of the information displayed in the menu bar 4 and to operate the menu 205, the reproduction operation button 206, or the time bar 207.

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, an item 205d requesting statistical processing, an item 205e requesting image processing, and an 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 used for reproducing, stopping, fast-forwarding, or frame-forwarding video information. The playback operation button 206 includes a stop button 206a, a playback button 206b, a fast forward button 206c, a frame forward button 206d, a reverse playback button 206e, a rewind button 206f, and a reverse frame forward 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 (or the movement of the mouse if the input unit 14 is a mouse).

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

Further, when the position signal from the input unit 14 changes while the selection signal is being received from the input unit 14 (if the input unit 14 is a mouse,
Drag) moves information selected by the selection signal to a display position on the screen 200 specified by the position signal.

The system of this embodiment executes a predetermined program stored in a storage medium such as a CD-ROM using a computer system such as a personal computer equipped with a multi-window system.
Can be realized.

Next, the operation of this embodiment will be described.

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

First, the control section 178 causes the display section 15 to display an initial screen (step 1001). Here, as shown in FIG. 2, the initial screen is displayed on the database 11 to 11 by the database management unit 171 according to a predetermined rule.
13 may be read from each of them, and the read information may be displayed 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 to perform a process according to the analysis result.

Thus, processing according to the analysis result is performed (steps 1003 to 1005).

Next, the processing in step 1003 in 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
Executed when g is selected.

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

First, the control unit 178 includes the attribute checking unit 172
(Step 2001).

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

Next, the database management unit 171 checks the target device and the recording time examined in step 2002,
The video frame at the recording time to be displayed next is read out 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, in step 2002, the video frame next to the video frame whose recording time has been checked is read.

When the reverse playback button 206e is selected, for example, the video frame immediately before the video frame whose recording time is checked in step 2002 is read.

Further, for example, the frame advance button 206
If d is selected, in step 2002, a video frame that is a plurality of frames later than the video frame whose recording time has been checked is read.

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

Next, the control unit 178
It is determined whether or not the recording period of the maintenance record information displayed in the table includes the recording time examined 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; otherwise, the process proceeds to step 2006. .

In 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 from the maintenance record information database 13 the maintenance record information for a predetermined period (for example, a period from two months before the record time) including the record time investigated in step 2002.

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).

In step 2008, the control unit 178
It is determined whether or not another item of the operation button 206 has been selected by the user.

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

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 indicated by the time bar 207, that is, while synchronizing. , Playback, fast forward, frame forward, etc. can be performed.

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

For this reason, the user can grasp the video information, the sensor information, and the maintenance and inspection information in a temporally related manner.

The reproduction and fast forward of the video information are performed by the input unit 1.
4 to move the time bar 207 in parallel.

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

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

In response to this, the attribute investigation unit 172 determines the recording time indicated 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 checked. Further, a target device of the video frame displayed in the window 202 is checked (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 site video database 12 (step 2103).

The control unit 178 stores the video frame read by the database management unit 171 in the window 20.
The display unit 15 is controlled so as to be displayed on the display 2 (step 2104).

Next, the control unit 178
It is determined whether or not the recording period of the maintenance record information displayed in (2) includes the recording time examined 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,
If not, the process moves to step 2106.

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

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

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

If the user has moved the time bar 207 in parallel using the input unit 14, step 2102
And the processing of steps 2102 to 2108 is repeatedly performed. On the other hand, if the user has terminated the parallel movement of the time bar 207, the flow ends.

In this manner, 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, synchronized. However, the reproduction can be performed in accordance with the movement of the time bar 207.

Further, maintenance record information near the time position on the trend graph of the time bar 207 can be displayed on 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 executed when at least one copy of any of the information displayed in the windows 201 to 204 is selected.

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

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

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

As described above, the user operates the input unit 14,
Utilizing a function as a graphical user interface of the display unit 15 and the control unit 178, 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 determined. You can move it.

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

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

Next, the control unit 178 controls the attribute checking unit 172
Command. In response to this, the attribute investigation unit 172 determines 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 (windows 201 to 201) of the device selected by the user on the screen. 203),
Is checked (step 3002).

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

Steps 3004 to 3006 are:
Step 3003 is executed when the moving 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 sensor installed in the plant equipment examined in step 3002, and the sensor information of the period indicated by the time axis of the trend graph displayed in the window 201. From the sensor information database 11.

Next, the control unit 178 determines in step 3004
A trend graph is created using the sensor information selected in step (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 in the plant system diagram selected by the user is the fourth stand-up backup roll, and the database management unit 171 outputs the sensor information “No. 4 stand roll pressure, 4th stand roll speed,
The fourth stand pressure lowering position ”is a period“ 9 ”indicated by the time axis of the trend graph displayed in the window 201.
5/05/01 12:58 to 13:14 "is retrieved, and a window 20 is displayed as a trend graph.
1 shows a state displayed in a circle.

Steps 3007 to 3008 are
Step 3003 is executed when the moving destination on the screen of the device selected by the user is the window 202 for displaying the video information.

In step 3007, the database management unit 171 converts the video frame, which is the image information of the plant equipment investigated in step 3002, at the recording time in the trend graph indicated by the time bar 207,
Read from the site video database 12.

Next, the control unit 178
Is changed to the video frame selected in Step 3007 (Step 300).
8).

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

For this reason, the user wants to view the site video
Can be obtained immediately.

Steps 3009 through 3011 are
Step 3003 is executed when the destination on the screen of the device selected by the user is the window 203 for displaying the maintenance record information.

In step 3009, the database management unit 171 stores the maintenance record information recorded during a predetermined period including the recording time examined in step 3002 (here, a period two months before the recording time) into the maintenance record. 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
The maintenance record information listed in the
Change to the maintenance record information retrieved in step 10 (step 30)
11).

As a result, 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 in the plant system diagram selected by the user is the second coiler, and is recorded by the document content comparison unit 173 during a period two months before May 1, 1995. The maintenance record information related to the third coiler “5/1 9:30 Rolling material jamming occurred, 4/25 11:30 No abnormality of the second coiler” was retrieved from the maintenance record information thus obtained, and was found in the window 203. This shows a state in which a list is displayed.

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

FIG. 9 is a flowchart for explaining the processing when the user selects a 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 operates the input unit 14,
Using the functions of the display unit 15 and the control unit 178 as a graphical user interface, a video frame displayed on the screen can be selected and the position of the video frame on the screen can be moved.

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 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 controls the attribute checking unit 172
Command. In response to this, the attribute investigating unit 172 determines the recording time of the video frame selected by the user, the target device of the video frame (a plant device to be photographed by the camera that generated the video frame), and the Destinations on the screen (windows 201 and 203),
Is checked (step 3102).

Next, the attribute checking unit 172 performs a search process in accordance with the destination (windows 201 and 203) of the video frame on the screen so as to perform the search.
(Step 3103).

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

In step 3104, the database management unit 171 determines the sensor information of the sensor installed in the target device examined in step 3102, and includes the sensor information of a predetermined period (for example,
The sensor information between 2 minutes before the recording time and 14 minutes after the recording time) is stored in the sensor information database 1.
Read from 1.

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

Then, the trend graph displayed in the window 201 is changed to the trend graph created in step 3105. Also, the display unit 15 is controlled so that the time bar 207 is displayed on the trend graph at a position corresponding to the recording time examined in step 3102 (step 3106).

As a result, a 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 determine 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 a third stand backup roll, and the database management unit 171 uses the sensor information “the third stand roll pressure, the third stand roll speed, the third stand
Stand pressure lowering 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 ”is retrieved and the window 201 is displayed as a trend graph.
It shows the state 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.
03 is executed.

In step 3107, the database management unit 171 stores the maintenance record information recorded during a predetermined period including the recording time examined in step 3102 (here, a period two months before the recording time) into the maintenance record. 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
The maintenance record information listed in the
09 to the maintenance record information retrieved (step 31).
09).

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

Therefore, the user can comprehensively determine 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 a third stand backup role, and the database management unit 171 stores maintenance record information related to the third stand backup role,
The maintenance record information "3/20 3rd stand backup roll replacement, 4/20 3rd stand backup roll inspection abnormal" from 5: 30/02 09:30 to 2 months ago is retrieved and displayed in the window 203 as a list. It is shown that it is being done.

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

FIG. 12 is a flowchart 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 operates the input unit 14,
Utilizing a function as a graphical user interface of the display unit 15 and the control unit 178, 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 thickness displayed in the window 201 can be selected and moved to the window 202 for displaying the video information.

Further, as shown in FIG. 14, for example, a part G of the sensor information F of the first stand roll pressure displayed in the window 201 is selected by using the input unit 14, and the maintenance record information is obtained. It can also be moved into a window 203 for display.

Next, the control unit 178 controls the attribute checking unit 172
Command. In response to this, the attribute investigation 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 (FIG. In the example of 13, Est
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 on the screen.
203) is checked (step 3202).

Next, the attribute investigating unit 172 determines the destination of the partially selected sensor information (windows 201 and 20).
An instruction is issued to the database management unit 171 to perform a search process according to 3) (step 3203).

Steps 3204 to 3208 are
Step 3203 is executed when the destination of the sensor information selected partially by the user on the screen is the window 202 for displaying the video information.

In step 3204, the database management unit 171 converts the video image data of the target device investigated in step 3202, which is the start time investigated in step 3202, into the on-site video database 12. Read from

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

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

If they do not match, the flow shifts to step 3207. If they do match, this flow ends.

In step 3207, the database management unit 171 stores the video information next to the video frame displayed in the window 202 as the video information for capturing the target device investigated in step 3202, in the site video database 12. Read from

Next, the control unit 178 determines in step 3207
The display unit 15 is controlled so that the video frame read out in step 2 is displayed in the window 202. The display unit 15 is controlled so that the time bar 207 is displayed at a position corresponding to the recording time of the read video frame on the trend graph displayed in the window 201 (step 3208).

Thereafter, the flow shifts 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.

In this manner, the video information related to the sensor information partially selected by the user, and the video information photographed during a period from a start time to an end time of a part of the selected sensor information. Can be played back in the window 202.

The time bar 207 is displayed on the window 20.
2 can be moved while being synchronized with the recording time of the video frame displayed in 2, that is, synchronized.

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 image information of the “second stand” related to the sensor information E partially selected by the user, and the start time Estart of the sensor information E “95/0”
5/02 14:17:00 "to end time Eend" 95
This shows a state in which the video information captured during the period of “/ 05/05/02 14:22:00” is reproduced in the window 202.

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

In step 3209, the database management unit 171 stores the maintenance record information recorded during a predetermined period (here, a period two months before the start time) including the start time and / or the end time examined in step 3202. 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 examined in step 3202 (step 3210).

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

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

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

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

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

FIG. 15 is a flowchart for explaining the processing when the user has selected part of the maintenance record information displayed in window 203.

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

As described above, the user operates the input unit 14,
Utilizing a function as a graphical user interface of the display unit 15 and the control unit 178, at least a part of the maintenance record information listed in the window 203 is selected, and the selected part is displayed on the screen of the selected part. Can be moved.

For example, as shown in FIG.
4, the user can select a part H of the maintenance record information listed in the window 203 and move it to the window 202 for displaying the video information.

For example, as shown in FIG. 17, the input unit 14 is used to select a part H of the maintenance record information displayed in the window 203 and to display the sensor information in the window 203. You can also move to

Next, the control section 178
Command. In response to this, the attribute investigation unit 172 displays the target device of the selected maintenance record information, the recording time of the selected maintenance record information, and the destination (window 201, window 201) of the selected maintenance record information on the screen. 202) is checked (step 3302).

Next, the attribute checking unit 172 performs a search process in accordance with the destination (windows 201 and 202) of the selected maintenance record information so as to perform the search processing.
1 (step 3303).

Steps 3304 and 3305 are
Step 3303 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 retrieves the video information, which is the video information of the target device investigated in step 3302, which was captured at the recording time also investigated in step 3302, from the on-site video database 12. read out.

Next, the control unit 178 determines in step 3304
The display unit 15 is controlled so that the video frame read out in step 2 is displayed in the window 202. The display unit 15 is controlled so that the time bar 207 is displayed at a position corresponding to the recording time examined in step 3302 in the trend graph displayed in the window 201 (step 3305).

In this way, the video frames related to the maintenance record information selected by the user and captured at the recording time of the maintenance record information can be displayed in the window 202. Can be.

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

In the example shown in FIG. 16, it is 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 “95/05/95”. A video frame captured at “01 13:00” is displayed in the window 202.

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

[0177] In step 3306, the database management unit 171 determines the sensor information of the sensor installed in the target device investigated in step 3302 and includes the sensor information for a predetermined period including the recording time also investigated in step 3302 (here, the recording time). The sensor information is read from the sensor information database 11 for a period of 2 minutes before (14 minutes after the recording time).

Next, the control unit 178 determines in 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 partially selected by the user, is displayed on the window 20.
1 can be displayed.

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

In the example shown in FIG. 17, “second stand roll pressure, second stand roll speed, second stand pressure lowering position” related to maintenance record information H partially selected by the user.
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. Is shown.

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
Executed when is selected.

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

FIG. 18 is a flowchart 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
Command. In response, the attribute investigation unit 172 investigates the type and target device of the sensor information selected in step 4001, 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 retrieves, from the sensor information database 11, the sensor information of the name investigated in step 4002, which is measured from the start time to the end time also examined in step 4002. Read (step 4003).

Next, the control unit 178 checks 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 an item 215b for obtaining the maximum value of the sensor information. 215c for calculating the average value of FFT of the sensor information
An item 215d to be processed and an item 215e for obtaining a regression curve of the sensor information are configured.

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

Then, the control section 178 determines in step 400
An instruction is issued to the statistical processing unit 175 to perform statistical processing according to the item selected in step 5 (step 4006).

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

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

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

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

Next, the control unit 178 determines in step 4008
The display unit 15 is controlled so that the video frame read out in step 2 is displayed in the window 202. The display unit 15 is controlled so that the time bar 207 is displayed at a position corresponding to the recording time detected in step 4007 in the trend graph displayed in the window 201 (step 4009).

Steps 4010 to 4012 are:
This is executed when the item selected in step 4005 is the item 215b for obtaining the maximum value.

The processing here is the same as that in step 4010 except that the statistical processing unit 175 detects the recording time of the sensor information having the maximum value from the sensor information read out in step 4003. 4007-4
Same as 009.

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

Step 4013 is a process executed when the item selected in step 4005 is the item 215c for obtaining the average value. The statistical processing unit 175 determines 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 obtaining the FFT. 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 an item 215e for obtaining a regression curve. The statistical processing unit 175 obtains a regression curve of the sensor information read in step 4003. .

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

Next, the user enters item 20 of menu 205
Processing when 5e is selected will be described.

FIG. 20 is a flowchart 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 a region where image processing is to be performed on the video frame displayed in the window 202 (step 4).
101).

The designation of the image processing area can be performed using the function of the graphical user interface of the input unit 14, the display unit 15, and the control unit 178.

When an area for image processing is specified, the control unit 178 determines coordinates for specifying the position of the specified area on the window 202 (for example, if the area that can be specified is a rectangle, Image processor 176
(Step 4102).

Next, the attribute investigating unit 172 checks the window 2
The recording time of the video frame displayed in 02 and the target device are checked (step 4103).

Next, the control unit 178 checks the image processing item 20
The display unit 15 displays the submenu 5e on the screen.
Is controlled (step 4104).

[0213] As shown in FIG. 21, the submenu of the item 205e includes two items for the area designated in step 4101 of the video frame displayed in the window 202.
An item 225a for performing a binarization process, an item 225b for obtaining an inter-frame difference for an area specified in step 4101 of video information captured within a predetermined period including the recording time of the video frame, An item 225c for obtaining a luminance distribution for the area specified in step 4101 and a step 4101 of the video frame
225 for performing FFT processing on the area specified by
d.

Next, the control unit 178 determines in step 4104
Wait for one of the items 225a to 225e of the submenu displayed in step 4 to be selected (step 4).
105).

The control unit 178 then proceeds to step 410
A command is issued to the image processing unit 176 to perform image processing according to the item selected in step 5 (step 4106).

Steps 4107 to 4109 are:
This is executed when the item selected in step 4103 is the item 225a for which binarization processing is required.

In step 4107, the database management section 171 reads out the video frame of the target device examined in step 4103, that is, the video frame at the recording time also examined in step 4103, from the site video database 12.

Next, the image processing section 176 determines in step 41
07, among the pixels constituting the video frame read out,
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 determines in step 4107
The display unit 15 is controlled so that the video frame read out in step 2 is displayed in the window 202. Step 4
For the area specified by the coordinates obtained in step 102, the display unit 15 is controlled to display the image binarized in step 4108 (step 4109).

Steps 4110 to 4114 are:
This is executed when the item selected in step 4105 is the item 225b for calculating the difference between frames.

In step 4110, the database management 171 determines the video information of the photographing device examined in step 4103, and determines the video information from the recording time examined in step 4103 for a predetermined period (for example, one hour before). Video frames after a time (for example, one hour later) are read from the on-site video database 12 sequentially or at intervals of n (natural number) frames.

Next, the image processing unit 176 determines in step 41
For the video frames read out sequentially at 10 or at intervals of n frames, a change in the luminance value between adjacent frames (inter-frame difference) is detected (step 4111).

Next, the image processing section 176 determines in step 41
The video frame with the largest inter-frame difference detected in step 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 reads the video frame at the recording time sent from the image processing unit 176 in step 4112 from the site video database 12 (step 4113).

Next, the control unit 178 determines in step 4113
The display unit 15 is controlled so that the video frame read out in step 2 is displayed in the window 202. Also, time bar 2
07 is displayed on 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, for the region J designated by the user, the video frame with the largest inter-frame difference is displayed in the window 202, and the time bar 207 is displayed in the window 201 in the trend. In the graph, the recording time of the video frame “13: 0”
0 is displayed at a position corresponding to “0”.

As described above, the video frame with the largest inter-frame difference is detected, the video frame is displayed, and the recording time of the video frame and the value of the sensor information at that time are displayed so as to be understood. The user can easily detect an abnormality that has occurred in the plant equipment.

Steps 4115 to 4117 are:
This is executed when the item selected in step 4105 is the item 225c for obtaining the luminance distribution.

In step 4115, the database management unit 171 reads out the video frame of the recording time, which is the video information of the shooting target investigated in step 4103 and at the recording time also examined in step 4103, from the site video database 12.

Next, the image processing section 176 determines in step 41
Of the pixels constituting the video frame read out at 15,
A luminance distribution is determined for a pixel 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 another output device (not shown) (step 4117).

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

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

Next, the image processing section 176 determines in step 41
Of the pixels constituting the video frame read out at 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 another output device (not shown) (step 4120).

Next, a process 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 the present embodiment is applied. Here, 301 is a roll, 302 is a rolled material, and 303 is an IT for photographing the rolled material.
A V camera 304, a sheet speed sensor for measuring the feed speed of the rolled material, and 305, a sheet thickness sensor for measuring the thickness of the rolled material.

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

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

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

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

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

Next, the control unit 178 controls the display unit 15 so as to display the submenu 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 on the window 202 and the recording time indicated by the time bar 207, and the automatic setting of the time difference. And an item 235b to be set.

Next, the control unit 178 determines in step 4202
Wait for selection of one of the items 235a and 235b of the submenu displayed in (Step 420)
3).

The control unit 178 then proceeds to step 420
A command is issued to each unit to perform the synchronization adjustment process 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 required, 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, if the item selected in step 4203 is the item 235b for which automatic adjustment processing is to be performed, the synchronization adjustment unit 174 determines whether the recording time of the video frame to be displayed in the window 202 is the same as the recording time indicated by the time bar 207. A time difference is obtained (step 4206).

The calculation of the time difference is performed in the following manner.

First, for each rolling stand constituting the plant, 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 installed sensor and the camera is stored in advance.

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

In step 4207, the display information setting unit 1
77 is the recording time examined in step 4201, the time difference input in step 4205, or
Based on the time difference obtained in 206, the recording time of the video frame to be displayed in the window 202 is set.

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

Next, the control unit 178
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 automatic adjustment item 235b is selected by the user, 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.
In the above, the image frame of the wavy K generated in the rolled material 302 taken by the ITV camera 303 is displayed while the time bar 207 coincides with the recording time when the wavy portion K generated in the rolled material is measured by the sheet thickness sensor. can do.

When the items 206b to 206g of the operation buttons 206 are selected after the flow shown in FIG. 23 is executed, the video frame read by the database management unit 171 is read in step 2004 of the flow shown in FIG. 23. At the position corresponding to the time obtained by adding the time difference obtained in step 4205 or step 4206 in FIG. 23 to the recording time of the video frame on the trend graph displayed in the window 201 while displaying it in the window 202. Preferably, a time bar 207 is displayed.

By doing so, the window 202
The recording time of the video frame displayed on the
The time difference from the recording time shown in FIG.
05 or the time difference obtained in step 4206, synchronous playback of video information, fast forward, and the like can be performed.

Note that the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the invention.

For example, in the above-described embodiment, the user selects and moves certain information from the information displayed in windows 201 to 203, and moves the selected information to a window other than the window in which the selected information is displayed. Described above, the information displayed in the window on which the selected information is superimposed is changed to information related to the selected information.

However, in the present invention, the selected information may be changed to information related to information displayed in a window on which the selected information is superimposed.

In the above embodiment, the window 2
One that selects and moves certain information from the information displayed in 01 to 203 and superimposes the selected information on a window other than the window in which the selected information is displayed, thereby specifying two pieces of information to be associated with each other. Was 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, two items to be associated with each other may be specified by selecting two items from the items 205a to 205c of the menu 205.

In addition, the information to be associated is not limited to two, and three or more pieces of information may be associated.

[0265]

As described above, according to the present invention,
Multiple records of the plant can be viewed at the same time, with the recording times associated with each other, so that the records can be viewed comprehensively, and the cause of the accident can be analyzed and the cause of poor quality can be analyzed. Can be easily determined.

[Brief description of the drawings]

FIG. 1 is a schematic functional configuration diagram of a recorded information display system according to 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 recording information display system shown in FIG. 1;

FIG. 4 is a flowchart for explaining a process when a user selects an item of an operation button 206 shown in FIG. 2;

FIG. 5 is a flowchart for explaining processing when the user moves the time bar 207 shown in FIG. 2 in parallel.

FIG. 6 is a flowchart for explaining a process when a user selects a device in the plant system diagram displayed in the window 204 shown in FIG. 2;

FIG. 7 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 6;

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 a user selects a video frame displayed in a window 202 shown in FIG. 2;

FIG. 10 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 9;

FIG. 11 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 9;

FIG. 12 is a flowchart for explaining processing when a user selects sensor information displayed in a window 201 shown in FIG. 2;

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 illustrating a process performed when the user has partially selected maintenance record information displayed in window 203 shown in FIG. 2;

FIG. 16 is a view showing an example of a display screen for explaining the flow shown in FIG. 12;

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

18 is a diagram showing an example of a menu 205 shown in FIG.
It is a flowchart for demonstrating the process at the time of selecting 05d.

FIG. 19 is a diagram showing an example of a display screen for explaining the flow shown in FIG. 18;

20 is a diagram showing an example of a menu 205 shown in FIG.
It is a flowchart for demonstrating the process at the time of selecting 05e.

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

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

FIG. 23 is a flowchart for explaining processing when a user selects a synchronization adjustment item 205f of the menu 205 shown in FIG. 2;

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 Field video database 13 Maintenance record information database 14 Input unit 15 Display unit 16 Interface unit 17 Display control unit 171 Database management unit 172 Attribute investigation unit 173 Document content comparison unit 174 Synchronization adjustment unit 175 Statistics Processing unit 176 Image processing unit 177 Display information setting unit 178 Control unit 200 Display screen 201 to 204 Window 205 Menu 206 Operation button 301 Rolling roll 302 Rolled material 303 Camera 304 Sheet speed sensor 305 Sheet thickness sensor

Claims (7)

[Claims] 1. A recording information display system for displaying, on a screen, a plurality of types of recording information recorded in chronological order, wherein the plurality of types of recording information displayed on the screen according to an external input. Selecting means for selecting at least two pieces of recording information from among the above, and at least two pieces of recording information selected by the selecting means are displayed on the screen according to the recording time of one of the pieces of recording information displayed on the screen. And a display control means for changing a recording time of other recording information to be displayed. 2. The recording device according to claim 1, wherein at least one of the plurality of types of recording information is recording information, and the display control unit has a unit that reproduces the recording information. A recording information display system for changing the recording time of another recording information displayed on the screen in synchronization with a change in the recording time of the recording information displayed on the screen. 3. The recording control device according to claim 2, wherein, when reproducing the recorded information on a screen, the display control means controls a recording time of the recorded information to be displayed on the screen and another recording information to be displayed on the screen. A recording information display system comprising a synchronization adjusting means for setting a time difference from a recording time. 4. The display control device according to claim 1, wherein at least one of the plurality of types of record information is displayed on a screen as a trend graph having a time axis. When at least two pieces of recording information selected by the selection means are displayed as the trend graph, a graphic indicating 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, wherein the recorded information is displayed on a display. 5. The information processing apparatus according to claim 1, wherein each of the plurality of types of recording information is recorded in a time-series manner for each of a plurality of objects. Recording information display, characterized in that, for at least two pieces of recording information selected in step (c), according to the target of any one of the recording information displayed on the screen, the target of other recording information displayed on the screen is changed. system. 6. The recording device according to claim 1, wherein said selecting means moves one of a plurality of types of recording information displayed on a screen to another recording information. A recorded information display system, wherein two recorded information are selected by superimposing. 7. A recorded information display method for displaying on a plurality of types of recorded information screens recorded in chronological order, wherein a plurality of types of recorded information displayed on the screen are displayed in accordance with an external input. Moving one of them, and superimposing it on other recording information; and recording any one of the recording information displayed on the screen for the two recording information overlapping by the first step. A second step of changing the recording time of other recording information displayed on the screen according to the time.