JP2019220062A - Operation support system and operation support method - Google Patents

Abstract

To provide an operation support system or the like that can improve driving quality by reducing a human burden and appropriately supporting operators.SOLUTION: The operation support system 10 provides support information to an operator who performs the operation of a nuclear power plant and is provided independently of the nuclear power plant. The operation support system 10 includes a display unit 14 that displays the support information, a photographing unit 15 that photographs a central control room 100 of the nuclear power plant, a storage unit 12 that stores determination information for determining whether or not an event is a predetermined event, and support information associated with the determination information, and a control unit 11 that displays the support information associated with the determination information on a display unit 14 when it is determined that the event is the predetermined event as a result of comparing plural pieces of acquired information obtained from a photographic image photographed by the photographing unit 15 with the determination information stored in the storage unit 12.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a driving support system and a driving support method for providing assistance to an operator who operates a plant facility.

  2. Description of the Related Art Conventionally, as a driving support system, a driving support device that images an alarm window provided on a control panel of a plant facility and displays procedural information corresponding to a plurality of items displayed in the imaged alarm window is known (for example, an operation support device). , Patent Document 1).

International Publication No. WO 2016/189954

  However, in the driving support device of Patent Literature 1, information such as procedure information is provided based on information obtained from the warning window, so that the support information provided to support the driver is limited. It will be. That is, since it is difficult to obtain a wide range of information from the plant equipment, it is difficult to provide various information to the operator. For this reason, it is necessary for the operator to grasp the operation status of the plant equipment based on extensive information obtained from the plant equipment and take appropriate measures according to the operation status. On the other hand, judgment based on extensive information makes it difficult to maintain a constant driving quality because the work efficiency of the judgment varies depending on the skill level of the operator. Has a high human load on the operator.

  Therefore, an object of the present invention is to provide a driving support system and a driving support method capable of improving driving quality by reducing human load and appropriately supporting a driver.

  The driving support system according to the present invention is a driving support system that provides support information to an operator who performs an operation operation of plant equipment and is provided independently of the plant equipment, and is a display that displays the support information. A photographing unit for photographing the plant equipment, a storage unit for storing determination information for determining whether or not the event is a predetermined event, and the support information associated with the determination information; Comparing a plurality of pieces of acquired information obtained from a captured image at a predetermined capturing timing captured by the unit with the determination information stored in the storage unit, and determining that the event is a predetermined event; And a control unit for displaying the support information associated with the control unit on the display unit.

  The operation support method of the present invention is an operation support method that is executed by an operation support system provided independently of plant equipment and provides support information to an operator who performs an operation operation of the plant equipment. An image acquiring step of acquiring a photographed image at a predetermined photographing timing photographed by a photographing unit photographing the equipment, and a judgment information acquiring step of acquiring judgment information for judging whether or not a predetermined event has occurred, A comparison step of comparing a plurality of pieces of acquired information obtained from a captured image with the determination information, and a result of the comparison in the comparison step, when determining that the event is a predetermined event, the support information associated with the determination information A support information obtaining step of obtaining, and the obtained support information, a support information providing step of displaying on a display unit provided in the driving support system, Characterized in that it comprises.

  According to these configurations, a system can be constructed without modifying or changing the plant equipment, so that a highly expandable system can be achieved. Also, by capturing the entire plant equipment by the imaging unit, various pieces of acquired information can be collected at a predetermined imaging timing, and various kinds of support for the operator can be appropriately performed based on the various pieces of acquired information. It becomes possible. In particular, even if various devices constituting the plant equipment are different manufacturers, it is possible to collect a wide range of acquired information by imaging the plant equipment with the imaging unit. Then, by visually recognizing the support information displayed on the display unit by the operator, it becomes possible to execute an operation operation of the plant equipment based on the support information, thereby reducing a human load on the operator, and It is possible to improve the operation quality of plant equipment by personnel. In addition, the operator can visually recognize the image captured by the image capturing unit, thereby monitoring the operation of another operator. Note that the determination information includes abnormality determination logic information for determining an abnormal event, information on a past operation history (numerical value), information on a past display history (captured image), and the like. The acquired information includes information on a captured image, driving data extracted from the captured image by image recognition, and the like. Further, the support information includes information on the operation state of the plant equipment, design drawings, predicted operation information, information on maintenance, and the like.

  Further, the plant equipment has a central control room for controlling the plant equipment, the imaging unit captures the central control room, the storage unit is associated with a combination of a plurality of the acquired information The control information may be stored, and the control unit may determine a predetermined event based on the determination information from a combination of a plurality of pieces of the obtained information obtained from the captured images of the central control room. ,preferable.

  According to this configuration, by determining a predetermined event based on the determination information from a combination of a plurality of pieces of acquired information, it is possible to more accurately determine the predetermined event than one piece of acquired information.

  In addition, the storage unit stores the determination information in association with a temporal change of the acquired information, and the control unit, based on a temporal change of the acquired information obtained from the captured image, It is preferable to determine a predetermined event based on the determination information.

  According to this configuration, a predetermined event that changes over time can be captured by determining a predetermined event based on the determination information based on the change over time of the acquired information.

  Further, the determination information includes first determination information for determining whether the event is an abnormal event, and second determination information for determining whether the event is other than the abnormal event, The control unit compares the obtained information with the first determination information to determine whether or not the event is the abnormal event, and compares the obtained information with the second determination information. It is preferable that the second determination process of determining whether the event is other than the abnormal event be performed in a stepwise manner.

  According to this configuration, since the support information can be provided through the stepwise determination, it is possible to provide various support information for various events.

  Further, it is preferable that the photographing unit includes a first camera that photographs the plant equipment and a second camera that photographs the operator.

  According to this configuration, it is possible to photograph the nuclear power plant and the operator by using separate cameras.

FIG. 1 is a schematic configuration diagram schematically illustrating a nuclear power plant in which the operation support system of the present embodiment is installed. FIG. 2 is a configuration diagram of the driving support system of the present embodiment. FIG. 3 is a flowchart relating to an example of the driving support method of the present embodiment. FIG. 4 is a flowchart related to the determination processing of the driving support method of the present embodiment.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited by the embodiment. The components in the following embodiments include those that can be easily replaced by those skilled in the art, or those that are substantially the same. Further, the components described below can be appropriately combined, and when there are a plurality of embodiments, each embodiment can be combined.

[This embodiment]
The operation support system and the operation support method of the present embodiment are, for example, a system and a method for supporting an operator who operates plant equipment such as a nuclear power plant or a thermal power plant. In the present embodiment, a description will be given by applying the present invention to a nuclear power plant as plant equipment. FIG. 1 is a schematic configuration diagram schematically illustrating a nuclear power plant in which the operation support system of the present embodiment is installed. As shown in FIG. 1, when a nuclear power plant is applied as plant equipment, the operation support system 10 is provided in a central control room 100 of the nuclear power plant.

  The central control room 100 is provided with a control panel 101 for controlling the nuclear power plant, and the control panel 101 is provided with analog or digital devices. Specifically, the control panel 101 is provided with a display unit 104 for displaying various plant data for indicating the operation status of the nuclear power plant, and an operation unit 105 for operating and operating the nuclear power plant. The display unit 104 includes, for example, various instruments 104a, an indicator 104b, an alarm 104c including a plurality of lamps 106, a CRT monitor 104d, a liquid crystal monitor 104e, and the like. The operation unit 105 includes an operation switch, an operation lever, and an input device such as a mouse and a keyboard.

  The operation support system 10 is a system provided independently of the nuclear power plant. That is, the operation support system 10 is not a system built into the control panel 101 of the nuclear power plant, but a system that can be separately attached to an existing nuclear power plant.

  FIG. 2 is a configuration diagram of the driving support system of the present embodiment. As shown in FIG. 2, the driving support system 10 includes a control unit 11 that can execute various processes, a storage unit 12 that stores various programs and data, an operation unit 13 including an input device such as a keyboard, A display unit 14 configured by a display device such as a monitor and an imaging unit 15 for imaging a nuclear power plant are provided. The driving support system 10 may be configured as a single device, may be configured integrally with another device, or may be configured as a system combining various devices such as an arithmetic device and a data server. Well, there is no particular limitation. Further, in the present embodiment, the operation unit 13 and the display unit 14 are shown as an operation display unit such as a touch panel monitor that is integrated, but the present invention is not limited to this configuration.

  The photographing unit 15 is configured to include a plurality of cameras including a fixed point camera (first camera) and an active camera (second camera). The fixed point camera is a camera that captures an image of the entire central control room 100 including the control panel 101, and is fixed to, for example, the ceiling of the central control room 100, and a region to be captured is fixed. The active camera is a camera that follows the operator P1 operating the control panel 101 and captures the image. For example, the active camera is fixed to the ceiling of the central control room 100, and the area to capture the image including the operator P1 is movable. The photographing unit 15 outputs the photographed image to the control unit 11.

  The storage unit 12 is, for example, a data server, and stores determination information used when executing a determination process described later, and support information for supporting an operator. The determination information and the support information are stored in advance in an associated manner as appropriate. The determination information is information for determining an event that occurs in the nuclear power plant, and includes information that associates a display form of the display unit 104 of the control panel 101 with a predetermined event. The display mode of the display unit 104 can be acquired by acquisition information extracted from a captured image, which will be described later. For example, a combination of lighting patterns of the lamp 106 provided in the alarm device 104c or an indication value of the indicator 104b is provided. There are combinations and the like. The judgment information includes information that associates a change over time of the acquired information with a predetermined event. Further, the determination information includes abnormality determination logic information (also referred to as first determination information) for determining whether an abnormal event has occurred in the nuclear power plant, and whether an event other than the abnormal event has occurred. (Also referred to as second determination information). The second determination information includes, for example, information on a past driving history and information on a past captured image. The determination information may be any information as long as it is information for determining an event occurring in the nuclear power plant, and is not particularly limited. The support information is information provided to the operator, and includes information on the operation state of the nuclear power plant, a design drawing of the nuclear power plant, predicted operation information on the nuclear power plant, information on maintenance of the nuclear power plant, and the like.

  The control unit 11 is, for example, an arithmetic device including an integrated circuit such as a CPU (Central Processing Unit), and executes various processes according to various programs. The various programs include, for example, a program for extracting information included in a captured image captured by the capturing unit 15, a program for executing a determination process described later, and the like. In addition, the control unit 11 acquires, as acquisition information, information of a photographed image photographed by the photographing unit 15 and information of driving data extracted by image recognition from the photographed image.

  Here, with reference to FIGS. 3 and 4, a processing flow regarding a driving support method by the driving support system 10 will be described. FIG. 3 is a flowchart relating to an example of the driving support method of the present embodiment. FIG. 4 is a flowchart related to the determination processing of the driving support method of the present embodiment.

  As shown in FIG. 3, in the driving support system 10, the control unit 11 acquires a photographed image captured by the fixed-point camera and the active camera of the photographing unit 15 (Step S <b> 11: image acquiring step). In the image obtaining step S11, a captured image of the entire central control room 100 including the control panel 101 captured by the fixed-point camera is obtained, and a captured image of the operator captured by the active camera is obtained. At this time, the acquired captured image is provided with a time stamp for identifying that it is a predetermined capturing timing.

  Subsequently, the control unit 11 acquires a captured image, performs image processing on the captured image, and extracts and acquires information included in the captured image as acquisition information (step S12). In step S12, a plurality of pieces of acquired information are acquired from the photographed image. Since the photographed image has a time stamp, the acquired plurality of acquired information is acquired at a predetermined photographing timing. . Further, a plurality of pieces of acquired information may be extracted from images captured at the same time. The acquisition information extracted from the captured image in step S12 includes, for example, a value indicated by a needle of a meter, which is an analog device, information on a lit lamp 106 provided in an alarm device 104c, and a numerical value of plant data displayed on a display monitor , Information on the driving operation of the operator P1 on the operation unit 105, and the like. The information on the lamp 106 to be lit provided in the alarm device 104c includes information on the alarm color of the lamp 106, information on the lighting timing of the lamp 106, information on the lighting location of the lamp 106, information on the number of lights of the lamp 106, and the like. Further, the information may be information on the above-mentioned various values and information over time. Further, the acquisition information may be image information of a captured image. That is, the acquired information may be any information as long as it is information obtained from the captured image. Further, a plurality of pieces of acquisition information may be acquired simultaneously at the same photographing timing.

  Next, the control unit 11 acquires the judgment information stored in the storage unit 12 (Step S13: judgment information acquisition step). In the judgment information obtaining step S13, the first judgment information and the second judgment information are obtained as the judgment information.

  And the control part 11 performs the judgment process which compares the acquired acquisition information and judgment information (step S14: comparison process). The determination process determines whether or not the obtained information is a predetermined event related to the determination information by determining a matching rate (coincidence) of the obtained information with respect to the determination information. In the present embodiment, whether or not the event is a predetermined event is determined based on the matching rate. However, the present invention is not limited to this configuration. Any judgment method may be used as long as the operation state of the nuclear power plant can be judged based on the acquired information obtained from the captured image.

  Here, the comparison step S14 is performed stepwise as shown in FIG. As shown in FIG. 4, when executing the determination process, the control unit 11 first executes a first determination process of comparing the acquired information with the first determination information to determine whether or not the event is an abnormal event. (Step S21: first determination processing step). Specifically, in the first determination processing step S21, it is determined whether or not an abnormal event has occurred in the nuclear power plant from the acquired information based on the abnormality determination logic information. The abnormal event is a transient change of the nuclear power plant, and by executing the first determination processing step S21, the abnormal event can be quickly caught.

  Subsequently, after executing the first judgment processing step S21, the control unit 11 compares the acquired information with the second judgment information to execute a second judgment processing for judging whether or not the event is other than an abnormal event. (Step S22: second determination processing step). Specifically, in the second determination processing step S22, for example, based on the past operation history or the past captured image, it is determined from the acquired information whether the current event (operation status) of the nuclear power plant is any event. Deciding. Events other than the abnormal event include, for example, an event indicating that maintenance of equipment provided in the nuclear power plant is required, an event indicating that a predetermined operation of the nuclear power plant is required, and the like. Any event may be used.

  After executing the comparison step S14, the control unit 11 acquires support information from the storage unit 12 based on the abnormal event specified in the determination process in the comparison step S14 and an event other than the abnormal event (step S15: support information acquisition step). ). In the support information acquisition step S15, the support information associated with the determination information having a high matching rate in the comparison step S14 is acquired. That is, in the support information acquisition step S15, for example, the support information associated with the first determination information including the abnormality determination logic information, that is, the support information associated with the predetermined abnormal event included in the abnormality determination logic information is acquired. ing. Similarly, in the support information acquisition step S15, for example, the support information associated with the second determination information, that is, the support information associated with a predetermined event specified by a past driving history or the like is acquired. Support information related to abnormal events and support information related to events other than abnormal events include warnings of abnormal events in nuclear power plants, procedures for operating nuclear power plants, design drawings of nuclear power plants, etc. Various information is included.

  Then, the control unit 11 displays the acquired support information on the display unit 14 (step S16: support information providing step), and ends the processing related to the driving support method. Then, when the support information is displayed on the display unit 14, the operator can execute the operation operation of the nuclear power plant based on the support information by visually recognizing the support information.

  In addition to the processing shown in FIGS. 3 and 4, the control unit 11 acquires information on the driving operation of the operator P1 as acquired information from the acquired captured image, and displays this information together with support information on the display unit 14. are doing. By displaying information related to the operation of the operator P1 on the display unit 14, the shift supervisor (management manager) P2 managing the operator P1 visually recognizes the display unit 14 so that the operation of the operator P1 can be controlled. It becomes possible to monitor.

  As described above, according to the present embodiment, since the driving support system 10 is an independent system, it is possible to construct a system without modifying or changing the nuclear power plant. A highly scalable system can be created. Further, since various kinds of acquired information can be collected by imaging the entire central control room 100 of the nuclear power plant by the photographing unit 15, various kinds of support for the operator can be appropriately performed based on the various kinds of acquired information. It is possible to do. Then, by visually recognizing the support information displayed on the display unit 14 by the operator, it becomes possible to execute the operation of the nuclear power plant based on the support information, reduce the human load on the operator, and In addition, it is possible to improve the operation quality of the nuclear equipment by the operator.

  Further, according to the present embodiment, a predetermined event is determined based on determination information from a combination of a plurality of pieces of obtained information such as a lamp and an indicated value, so that a predetermined event can be performed more accurately than one piece of obtained information. It is possible to make a good judgment.

  Further, according to the present embodiment, a predetermined event that changes over time can be captured by determining a predetermined event based on the determination information from the change over time of the acquired information.

  Further, according to the present embodiment, in the determination process in the comparison step S14, since support information can be provided through stepwise determination, it is possible to provide various support information for various events. .

  Further, according to the present embodiment, by providing the fixed-point camera and the active camera, it is possible to capture an image of the central control room 100 and an image of the operator with individual cameras.

  Note that a voice acquisition unit such as a microphone may be connected to the driving support system 10 of the present embodiment. According to this configuration, it is possible to acquire not only the captured image but also the sound as the acquired information, so that a wider range of acquired information can be collected.

DESCRIPTION OF SYMBOLS 10 Driving support system 11 Control part 12 Storage part 13 Operation part 14 Display part 15 Imaging part 100 Central control room 101 Control panel

Claims (6)

An operation support system that provides support information to an operator who performs an operation operation of the plant equipment and is provided independently of the plant equipment,
A display unit for displaying the support information;
A photographing unit for photographing the plant equipment,
A storage unit for storing determination information for determining whether or not the predetermined event, and the support information associated with the determination information,
When comparing a plurality of pieces of acquired information obtained from a photographed image at a predetermined photographing timing photographed by the photographing unit with the determination information stored in the storage unit, when it is determined that the event is a predetermined event, A control unit for displaying the support information associated with the determination information on the display unit. The plant equipment has a central control room for controlling the plant equipment,
The photographing unit photographs the central control room,
The storage unit stores the determination information in association with a combination of a plurality of pieces of the obtained information,
The driving according to claim 1, wherein the control unit determines a predetermined event based on the determination information from a combination of a plurality of pieces of the obtained information obtained from the captured images of the central control room. Support system. The storage unit stores the determination information in association with a change over time of the acquisition information,
The driving support system according to claim 1, wherein the control unit determines a predetermined event based on the determination information from a temporal change of the obtained information obtained from the captured image. 4. . The determination information includes first determination information for determining whether the event is an abnormal event, and second determination information for determining whether the event is an event other than the abnormal event,
The control unit includes:
A first determination process of comparing the obtained information with the first determination information to determine whether the event is the abnormal event;
A step of comparing the acquired information with the second determination information to determine whether the event is an event other than the abnormal event, and performing a second determination process in a stepwise manner. 4. The driving support system according to any one of 3.   The driving support system according to any one of claims 1 to 4, wherein the photographing unit includes a first camera for photographing the plant equipment and a second camera for photographing the operator. . A driving support method that is executed by a driving support system provided independently of plant equipment and provides support information to an operator who performs an operation operation of the plant equipment,
An image acquisition step of acquiring a photographed image at a predetermined photographing timing photographed by a photographing unit that photographs the plant equipment,
A judgment information acquisition step of acquiring judgment information for judging whether or not the event is a predetermined event,
A comparison step of comparing a plurality of pieces of acquisition information obtained from the captured image and the determination information,
As a result of the comparison in the comparison step, when it is determined that the predetermined event, a support information acquisition step of acquiring the support information associated with the determination information,
A driving information providing step of displaying the acquired supporting information on a display unit provided in the driving support system.

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