WO2021234898A1 - 作業割当て装置 - Google Patents
作業割当て装置 Download PDFInfo
- Publication number
- WO2021234898A1 WO2021234898A1 PCT/JP2020/020084 JP2020020084W WO2021234898A1 WO 2021234898 A1 WO2021234898 A1 WO 2021234898A1 JP 2020020084 W JP2020020084 W JP 2020020084W WO 2021234898 A1 WO2021234898 A1 WO 2021234898A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- work
- operator
- procedure
- information
- allocation
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06398—Performance of employee with respect to a job function
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06316—Sequencing of tasks or work
Definitions
- This disclosure relates to a work assignment device.
- the software-type digital monitoring and control panel has been introduced into monitoring and control devices in place of conventional hardware-type analog monitoring and control panels.
- the software-type digital monitoring and control panel is also called a digital panel.
- GUI graphical operator interface
- the work procedure to be carried out when an event occurs and the work assignment that defines the person in charge of carrying out the work that constitutes the work procedure are determined in advance.
- the person in charge of implementation may be an operator or an automated system.
- the minimum number of operators can simultaneously monitor multiple plants during normal operation, and the number and system of operators are changed when an event occurs. Operation is expected.
- the operator who takes over the work determines the implementation status of the work so far and the work assignment in the future. Must be recognized correctly. Therefore, it is important to present the work assignment to the operator in consideration of the workload on the operator, the situational awareness of the operator, and the situation of the operator.
- user fatigue is detected by using the user's biometric information and the user's work information.
- the support measures necessary for reducing fatigue are selected according to the detected fatigue state of the user.
- Support measures are user interface control such as enlarging the display and enhancing the contrast on the screen of the display device, enlarging the sound, and enhancing the input sensitivity of the input device such as a mouse and a pen tablet. ..
- the work assignment that defines the work procedure and the person in charge of implementation is predetermined and the operator is assigned to the work according to the predetermined work assignment, prepare the rules for assigning the work in advance. There must be.
- an unexpected combination of events it may not be possible to respond in a timely manner to the event that has occurred with a predetermined work allocation, and a severe accident may occur. Therefore, it is required to dynamically allocate work.
- This disclosure was made in view of this issue. It is an object of the present disclosure to provide a work assignment device capable of dynamically allocating operators according to the situation of a plant.
- This disclosure relates to a work assignment device.
- the work allocation device includes a work procedure derivation unit, a scheduling unit, a work allocation evaluation unit, and a work allocation determination unit.
- the work procedure derivation unit derives the work procedure based on the plant information about the plant.
- the scheduling unit selects multiple work allocation candidates that indicate the allocation of operators to the procedures that make up the work procedure.
- the work allocation evaluation unit evaluates each of the multiple work allocation candidates.
- the work allocation determination unit determines work allocation from a plurality of work allocation candidates based on the evaluation result.
- the work procedure is derived based on the plant information about the plant, and the allocation of the operator to the procedure constituting the derived work procedure is determined. As a result, it is possible to dynamically allocate operators according to the situation of the plant.
- FIG. 1 It is a block diagram schematically illustrating the hardware configuration of the monitoring control system in which the work assignment device of Embodiment 1 is mounted. It is a block diagram which schematically illustrates the functional structure of the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the event information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the work procedure information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the work procedure information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the operator information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the evaluation information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the example of the presentation information stored in the work assignment apparatus of Embodiment 1.
- FIG. It is a flowchart which shows the process performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure explaining an example of selection of a plurality of work assignment candidates performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure explaining the result of selection of a plurality of work assignment candidates performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure explaining the example of the determination of the fatigue degree of an operator based on the operation required time performed in the work assignment apparatus of Embodiment 1.
- FIG. It is a flowchart which shows the example of the process for evaluation performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure explaining the example of the evaluation performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a flowchart which shows the example of the process for determining the presentation method performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure explaining the example of the determination of the presentation method performed by the work assignment apparatus of Embodiment 1.
- FIG. It is a figure which shows the content of the work which the operator should perform next to be displayed on the operation screen of the plant operated by the operator by the work assignment apparatus of Embodiment 1.
- FIG. 1 is a block diagram schematically showing a hardware configuration of a monitoring control system in which the work assignment device of the first embodiment is mounted.
- the monitoring and control system 1 illustrated in FIG. 1 monitors and controls the plant.
- the monitoring control system 1 is composed of a computer.
- the monitoring control system 1 includes a processor 11, a memory 12, a hard disk drive 13, an input device 14, an output device 15, and a system bus 16.
- the processor 11 is a central processing unit (CPU), a graphics processing unit (GPU), a digital signal processing device (DSP), and the like.
- the memory 12 is a random access memory (RAM), a read-only memory (ROM), or the like.
- the hard disk drive 13 may be replaced with an auxiliary storage device other than the hard disk drive 13.
- the hard disk drive 13 may be replaced with a solid state drive (SSD), a RAM disk, or the like.
- the input device 14 is a keyboard, a pointing device, a microphone, a scanner, a camera, a communication interface, a sensor, and the like.
- the output device 15 is a display, a lamp, a speaker, a communication interface, and the like.
- the system bus 16 connects the processor 11, the memory 12, the hard disk drive 13, the input device 14, and the output device 15 so as to be communicable with each other.
- FIG. 2 is a block diagram schematically showing a functional configuration of the work allocation device according to the first embodiment.
- the work assignment device 2 of the first embodiment has a plant information storage unit 21, an event information storage unit 22, a work procedure information storage unit 23, an operation information storage unit 24, and an operator information storage unit. 25, a biological information storage unit 26, an evaluation information storage unit 27, and a presentation information storage unit 28 are provided. These elements are composed of at least one of the memory 12 and the hard disk drive 13.
- the work allocation device 2 includes a plant status diagnosis unit 31, a work procedure determination unit 32, a scheduling unit 33, an operator status determination unit 34, a work allocation evaluation unit 35, and a work allocation determination unit. 36, a work allocation presentation method determination unit 37 and a work allocation presentation unit 38 are provided.
- the functions of these elements are realized by the processor 11 executing a program stored in at least one of the memory 12 and the hard disk drive 13.
- the monitoring and control system 1 includes a plurality of processors 11, a plurality of memories 12, and a plurality of hard disk drives 13, and a plurality of processors 11, a plurality of memories 12, and a plurality of hard disk drives 13 cooperate to realize the functions of these elements. You may.
- the plant information storage unit 21 stores the plant information 51.
- the stored plant information 51 is information about the plant.
- the plant information 51 is time series information.
- the plant information 51 is acquired by the plant equipment constituting the plant.
- the plant information 51 includes at least one selected from the group consisting of alarm information regarding an alarm issued by the plant equipment and the plant value output by the plant equipment. In the following, it is assumed that the plant information 51 includes both alarm information and process values.
- the plant information 51 may include information other than the alarm information and the plant value.
- the plant information 51 may include information on the operating state of the plant other than the alarm information in place of the alarm information or in addition to the alarm information.
- Plant equipment is equipment according to the type of plant, such as motors, pumps, and valves.
- the event information storage unit 22 stores the event information 52.
- the stored event information 52 is information about an event that occurs in the plant.
- the event information 52 indicates the work procedure to be performed when each event occurs and the degree of influence of each event.
- the event information 52 may indicate information other than these information.
- the event information 52 may indicate the work priority of the work procedure to be performed when each event occurs.
- FIG. 3 is a diagram showing an example of event information stored in the work assignment device of the first embodiment.
- the event information 52 shown in FIG. 3 includes the event ID 521, the work procedure ID 522 corresponding to the event ID 521, and the degree of influence 523.
- Event ID 521 identifies the event.
- the work procedure ID 522 corresponding to the event ID 521 specifies the work procedure to be performed when the event specified by the event ID 521 occurs.
- the degree of influence 523 corresponding to the event ID 521 specifies the degree of influence of the event specified by the event ID 521.
- the event information 52 shown in FIG. 3 indicates the work procedure to be performed when each event occurs and the degree of influence of each event.
- the degree of influence 523 is given by "large”, “medium” or “small”.
- the influence degree 523 of "large”, “medium” or “small” is given the coefficients "3", "2" and "1" to be multiplied by the error rate described below, respectively.
- the events identified by the event ID 521 of "event 1", “event 2” and “event 3” are “event 1", “event 2” and “event 3”, respectively. Is abbreviated as.
- the work procedures specified by the work procedure ID 522 which are “procedure 1", “procedure 2”, and “procedure 3", are abbreviated as “procedure 1”, “procedure 2", and “procedure 3", respectively.
- the work procedure information storage unit 23 stores the work procedure information 53 and the work procedure information 54.
- the stored work procedure information 53 and work procedure information 54 are information related to each procedure.
- the work procedure information 53 indicates a procedure constituting each work procedure.
- the work procedure information 53 indicates whether or not each of the human and the system can perform each procedure, and whether or not each procedure requires implementation qualification. Further, the work procedure information 53 indicates a standard error rate of an error that occurs when each procedure is carried out and an allowable time that can be spent until each procedure is carried out.
- the work procedure information 53 may indicate information other than these information.
- the work procedure information 53 includes the standard work time normally spent when each procedure is carried out, the workload applied to the operator who carries out each procedure when each procedure is carried out, and each procedure is carried out. The cost and the like incurred in such a case may be shown.
- the work procedure information 54 indicates the work constituting each procedure. Further, the work procedure information 54 indicates the workload applied to the operator who carries out each work when each work is carried out, and the error rate of the error which occurs when each work is carried out.
- FIG 4 and 5 are diagrams showing an example of work procedure information stored in the work assignment device of the first embodiment.
- the work procedure information 53 shown in FIG. 4 includes the procedure ID 531 and the name 532 corresponding to the procedure ID 531, the next procedure ID 533, the person in charge 534, the necessity of implementation qualification 535, the standard error rate 536, and the allowable time 537.
- Procedure ID 531 identifies the procedure.
- the name 532 corresponding to the procedure ID 531 specifies the name of the procedure specified by the procedure ID 531.
- the next procedure ID 533 corresponding to the procedure ID 531 identifies the next procedure to be performed following the procedure specified by the procedure ID 531.
- the person in charge 534 corresponding to the procedure ID 531 identifies a person in charge who can carry out the procedure specified by the procedure ID 531. Responsible for at least one of humans and systems.
- Necessity of implementation qualification corresponding to procedure ID 531 535 specifies whether or not the procedure specified by procedure ID 531 requires implementation qualification.
- the necessity of implementation qualification 535 corresponding to the procedure ID 531 is set when the person in charge 534 corresponding to the procedure ID 531 is a human being.
- the standard error rate 536 corresponding to the procedure ID 531 specifies the standard error rate of the error that occurs when the procedure specified by the procedure ID 531 is performed.
- the standard error rate 536 corresponding to the procedure ID 531 is set when the person in charge 534 corresponding to the procedure ID 531 is a human being and a system respectively.
- the permissible time 537 corresponding to the procedure ID 531 specifies the permissible time that can be spent before the procedure specified by the procedure ID 531 is performed.
- the permissible time 537 corresponding to the procedure ID 531 is set when necessary.
- the work procedure information 53 shown in FIG. 4 indicates a procedure that constitutes each work procedure. Further, the work procedure information 53 indicates the execution order of the plurality of procedures. Further, the work procedure information 53 shown in FIG. 4 indicates whether or not each of the human and the system can perform each procedure, and whether or not each procedure requires implementation qualification. Further, the work procedure information 53 shown in FIG. 4 shows the name of each procedure, the standard error rate of the error that occurs when each procedure is executed, and the allowable time that each procedure can be spent until it is executed. Is shown.
- the work procedure information 54 shown in FIG. 5 includes a procedure ID 541, a name 542 and a work 543 corresponding to the procedure ID 541, and a workload 544 and an error rate 545 corresponding to the work 543.
- the name 542 corresponding to the procedure ID 541 specifies the name of the procedure specified by the procedure ID 541.
- the work 543 corresponding to the procedure ID 541 identifies the work constituting the procedure specified by the procedure ID 541.
- the workload 544 corresponding to the work 543 specifies the workload on the operator performing the work when the work specified by the work 543 is performed.
- the error rate 545 corresponding to the work 543 specifies the error rate of the error that occurs when the work specified by the work 543 is performed.
- the work procedure information 54 shown in FIG. 5 indicates the work that constitutes each procedure. Further, the work procedure information 54 shown in FIG. 5 shows the workload applied to the operator who carries out each work when each work is carried out, and the error rate of an error which occurs when each work is carried out.
- the workload 544 is given as “large”, “medium” or “small”.
- the error rate 545 is given as “large”, “medium” or “small”.
- the operation information storage unit 24 stores the operation information 55.
- the stored operation information 55 is information regarding the operation of the plant by each operator.
- the operation information 55 is time series information.
- the operation information 55 is information according to the state of the plant and the event that has occurred in the plant.
- the operation information 55 includes at least one selected from the group consisting of the operation content, the number of operations, the required operation time, and the operation frequency.
- the operation information 55 may include information other than these information.
- the operation contents include start / stop of the motor, start / stop of the pump, opening / closing of the valve, confirmation of plant information, and the like.
- the operator information storage unit 25 stores the operator information 56.
- the stored operator information 56 is information about each operator.
- the operator information 56 indicates whether or not each operator is responding to the operation of the plant, and whether or not each operator can respond to the operation of the plant when each operator is not responding to the operation of the plant. And whether or not each operator is qualified to carry out.
- the operator information 56 may indicate information other than these information. For example, the operator information 56 may indicate the qualification, job title, personality, experience, etc. of each operator.
- FIG. 6 is a diagram showing an example of operator information stored in the work assignment device of the first embodiment.
- the operator information 56 shown in FIG. 6 includes the operator ID 561, the corresponding state 562 corresponding to the operator ID 561, and the presence / absence of implementation qualification 563.
- the operator ID 561 identifies the operator.
- the response state 562 corresponding to the operator ID 561 indicates whether or not the operator specified by the operator ID 561 is responding to the operation of the plant, and if the operator is not responding to the operation of the plant. Indicates whether or not can handle the operation of the plant.
- Whether or not the operator has the implementation qualification corresponding to the operator ID 561 563 specifies whether or not the operator specified by the operator ID 561 has the implementation qualification. As a result, the operator information 56 shown in FIG.
- the biometric information storage unit 26 stores the biometric information 57.
- the stored biological information 57 indicates the biological information of each operator.
- the biological information 57 is time series information.
- the biometric information 57 is acquired by a contact type or non-contact type biosensor or the like.
- the biological information 57 includes at least one selected from the group consisting of body temperature, blood pressure, heart rate, respiratory rate, electrocardiographic waveform, emotion, stress, gaze, eye movement, blinking and brain wave.
- the evaluation information storage unit 27 stores the evaluation information 58.
- the stored evaluation information 58 is information necessary for evaluating each of the plurality of work allocation candidates 73 described below.
- the evaluation information 58 indicates a correction corresponding to each situation of the operator.
- each situation of the operator is each degree of fatigue of the operator.
- the correction is an error rate correction of the standard error rate. Therefore, the evaluation information 58 indicates the error rate correction of the standard error rate corresponding to each degree of fatigue of the operator.
- FIG. 7 is a diagram showing an example of evaluation information stored in the work assignment device of the first embodiment.
- the evaluation information 58 shown in FIG. 7 includes a fatigue degree 581 and an error rate correction 582 corresponding to the fatigue degree 581.
- Fatigue 581 specifies the fatigue of the operator.
- the error rate correction 582 corresponding to the fatigue degree 581 specifies the error rate correction of the standard error rate corresponding to the fatigue degree of the operator specified by the fatigue degree 581.
- the evaluation information 58 shown in FIG. 7 shows the error rate correction of the standard error rate corresponding to each fatigue degree of the operator.
- the error rate correction for the standard error rate includes the correction value applied to the standard error rate.
- the correction value applied to the standard error rate is multiplied by the standard error rate.
- Fatigue degree 581 is given as "high", “medium” or "low”.
- the presentation information storage unit 28 stores the presentation information 59.
- the stored presentation information 59 is information for determining a presentation method for presenting work assignments according to the situation of the operator.
- the presentation information 59 indicates the status of the operator who can present corresponding to each set of the workload and the error rate.
- the presentable operator status is the presentable operator alertness. Therefore, the presentation information 59 indicates the alertness of the operator who can present corresponding to each set of the workload and the error rate.
- FIG. 8 is a diagram showing an example of presentation information stored in the work assignment device of the first embodiment.
- the presentation information 59 illustrated in FIG. 8 includes a workload 591, an error rate 592, and a presentable alertness 593 corresponding to a pair of workload 591 and error rate 592.
- the presentable arousal level 593 specifies the presentable arousal level of the operator.
- the presentation information 59 illustrated in FIG. 8 indicates the alertness of the operator who can present corresponding to each set of the workload and the error rate.
- the workload 591 is given as "large”, “medium” or "small”.
- the error rate 592 is given as "large”, “medium” or "small”.
- Approximate work assignment device 2 dynamically allocates operators and systems to work based on the situation of the plant and operators. Further, the work assignment device 2 determines a presentation method for presenting the assignment of the operator to the work to the operator, and presents the assignment of the operator to the work according to the determined presentation method to the operator. The presentation of the operator's assignment to the work is performed by causing an external output device such as a display or a speaker to output the result of the operator's assignment to the work.
- FIG. 9 is a flowchart showing a process performed by the work assignment device of the first embodiment.
- the work assignment device 2 executes steps S101 to S108 shown in FIG.
- step S101 the plant status diagnosis unit 31 diagnoses the status of the plant.
- the plant status diagnosis unit 31 acquires the plant information 51 from the plant information storage unit 21 and estimates the occurrence event 71 occurring in the plant based on the acquired plant information 51.
- the acquired plant information 51 includes alarm information and plant values.
- the presumed occurrence event 71 is at least one occurrence event.
- the plant status diagnosis unit 31 preferably estimates the occurrence event 71 using the knowledge base.
- the knowledge base used stores the data necessary to estimate the occurrence event 71.
- the stored data includes the relationship between the cause of the failure and the extent to which the event spreads.
- the data may include information other than the relationship between the cause of the failure and the extent to which the event spills over.
- the work procedure determination unit 32 determines the work procedure 72. At that time, the work procedure determination unit 32 determines the work procedure 72 based on the estimated occurrence event 71. At that time, the work procedure determination unit 32 acquires the event information 52 from the event information storage unit 22, and performs the work procedure to be executed when the estimated occurrence event 71 indicated by the acquired event information 52 occurs. , The work procedure 72 to be determined.
- the work procedure determination unit 32 uses the event information 52.
- steps S101 and S102 the plant status diagnosis unit 31 and the work procedure determination unit 32 configure the work procedure derivation unit 41 for deriving the work procedure 72 based on the plant information 51.
- the scheduling unit 33 performs scheduling. At that time, the scheduling unit 33 selects a plurality of work allocation candidates 73. Each of the plurality of work assignment candidates 73 indicates the assignment of the operator and the system to the procedures constituting the determined work procedure 72. The allocation is a feasible allocation.
- the scheduling unit 33 acquires the work procedure information 53 from the work procedure information storage unit 23, acquires the operator information 56 from the operator information storage unit 25, and a plurality of the scheduling units 33 based on the acquired work procedure information 53 and the operator information 56. Work allocation candidate 73 is selected.
- the scheduling unit 33 assigns the human or the system to the procedure. Further, when the work procedure information 53 indicates that a human can perform the procedure but the system cannot perform the procedure, the scheduling unit 33 assigns the human to the procedure. Further, when the work procedure information 53 indicates that the system can carry out the procedure but the human cannot carry out the procedure, the scheduling unit 33 assigns the system to the procedure.
- the scheduling unit 33 uses the operator who has the implementation qualification indicated by the operator information 56 to perform the procedure. Do not assign unqualified operators to the procedure, as indicated by the operator information 56.
- the scheduling unit 33 assigns the operator who is in the process of operating the plant or can cope with the operation of the plant, which is indicated by the operator information 56, to the procedure constituting the work procedure 72, and the operator information. Operators who are unable to accommodate the operation of the plant, as indicated by 56, are not assigned to the procedure.
- FIG. 10 is a diagram illustrating an example of selection of a plurality of work allocation candidates performed by the work allocation device of the first embodiment.
- FIG. 11 is a diagram illustrating an example of the result of selection of a plurality of work allocation candidates performed by the work allocation device of the first embodiment.
- the determined work procedure 72 is "procedure 1" and "procedure 2"
- the acquired work procedure information 53 is the work procedure information shown in FIG. 4, and the acquired operator information 56 is shown in FIG.
- the work allocation candidate 81 shown in FIG. 10A is selected for the “event 1” occurring in the “plant 1”.
- the work allocation candidate 82 shown in FIG. 10B is selected for the “event 2” occurring in the “plant 2”.
- a plurality of work allocation candidates 73 shown in FIG. 11 are selected for the entire "event 1" and "event 2".
- the operator status determination unit 34 determines the status 74 of the operator. At that time, the operator status determination unit 34 acquires the operation information 55 from the operation information storage unit 24, acquires the biometric information 57 from the biometric information storage unit 26, and based on the acquired operation information 55 and the biometric information 57. Determine the operator status 74. The operator status determination unit 34 may acquire only one of the operation information 55 and the biometric information 57, and determine the operator status 74 based on only one of the operation information 55 and the biometric information 57. The determined operator status 74 includes at least one selected from the group consisting of the operator's load status, situation awareness, fatigue, alertness and concentration.
- the operator status determination unit 34 determines the load status of the operator based on, for example, body temperature, blood pressure, heart rate, respiratory rate, stress, number of operations, required operation time, operation frequency, and the like. Alternatively, the operator situation determination unit 34 determines the situation recognition ability of the operator based on the heart rate, the respiratory rate, the eye movement, the brain wave, and the like. Alternatively, the operator status determination unit 34 determines the degree of fatigue of the operator based on the number of operations, the operation speed, the operation frequency, and the like. Alternatively, the operator status determination unit 34 determines the arousal level of the operator based on the heart rate, the respiratory rate, the brain wave, the blink, and the like.
- the operator status determination unit 34 determines the concentration of the operator based on the heart rate, heart rate variability, respiration, and the like. Alternatively, the operator status determination unit 34 determines the degree of fatigue of the operator based on the operation required time. In the following, it is assumed that the operator status determination unit 34 determines the degree of fatigue of the operator based on the operation required time.
- FIG. 12 is a diagram illustrating an example of determining the degree of fatigue of an operator based on the operation required time performed in the work assignment device of the first embodiment.
- the operator status determination unit 34 increases the degree of fatigue to determine as the operation time becomes longer. For example, as shown in FIG. 12, the operator status determination unit 34 determines the degree of fatigue when the difference t from the standard required time obtained by subtracting the standard required time from the operation required time is 30 seconds or more. Make it "high”. Further, when the difference t from the standard required time is ⁇ 30 seconds or less, the operator status determination unit 34 sets the fatigue level to “low”. Further, the operator status determination unit 34 sets the fatigue level to "medium” when the difference t from the standard required time is neither of these.
- the work allocation evaluation unit 35 evaluates each of the plurality of work allocation candidates 73. At that time, the work allocation evaluation unit 35 acquires the work procedure information 53 from the work procedure information storage unit 23, acquires the evaluation information 58 from the evaluation information storage unit 27, and acquires the work procedure information 53, the evaluation information 58, and the evaluation information 58. The evaluation is performed based on the determined situation 74 of the operator. Specifically, the work allocation evaluation unit 35 evaluates based on the standard error rate of the error that occurs when the procedure constituting the work procedure 72, which is indicated by the work procedure information 53, is performed.
- the work allocation evaluation unit 35 applies the error rate correction corresponding to the degree of fatigue of the operator, which is indicated by the evaluation information 58, to the evaluation.
- the evaluation is to calculate the evaluation value.
- the calculated evaluation value indicates the magnitude of risk.
- the evaluation value increases as the magnitude of risk increases.
- FIG. 13 is a flowchart showing an example of processing for evaluation performed by the work assignment device of the first embodiment.
- FIG. 14 is a diagram illustrating an example of evaluation performed by the work assignment device of the first embodiment.
- the work allocation evaluation unit 35 executes steps S111 to S115 shown in FIG.
- step S111 the work allocation evaluation unit 35 acquires the standard error rate from the work procedure information 53.
- the work allocation evaluation unit 35 uses the work procedure information 53 to indicate "Procedure 1-1" and “Procedure 1-2" included in the combination. , “Procedure 1-3", “Procedure 1-4", “Procedure 2-1", “Procedure 2-2” and “Procedure 2-3” at the standard error rate of the error that occurs. Acquire certain "0.001”, “0.001”, “0.001”, “0.001”, “0.0001”, "0.001” and “0.001” respectively.
- the work allocation evaluation unit 35 corrects the error rate to the acquired standard error rate based on the degree of fatigue of the operator.
- the work allocation evaluation unit 35 receives the "operator 1" and “operator 2" included in the combination from the operator status determination unit 34. , “Operator 3", and “High”, “Low”, and “Medium”, respectively. Further, the work allocation evaluation unit 35 has "(standard error rate) x 10.0" and “(standard error rate)” which are error rate corrections corresponding to "high", “low” and “medium” acquired from the evaluation information 58. ) ⁇ 1.0 ”and“ (standard error rate) ⁇ 5.0 ”, respectively. Further, as shown in FIG.
- the work allocation evaluation unit 35 has "Procedure 1-1", “Procedure 1-2", “Procedure 1-3” and “Procedure 1-” to which "Operator 1" is assigned.
- "(Standard error rate) x” is an error rate correction corresponding to "High”, which is the fatigue level of “Operator 1", to "0.001”, which is the standard error rate of errors that occur when "4" is implemented.
- the work allocation evaluation unit 35 sets the standard error rate of the error that occurs when “Procedure 2-2" and “Procedure 2-3" to which "Operator 2" is assigned to "0.001". Perform "(standard error rate) x 1.0", which is an error rate correction corresponding to "low”, which is the fatigue level of "operator 2", and use the error rates of "procedure 2-2" and “procedure 2-3". Get a certain "0.001". In addition, the work allocation evaluation unit 35 sets the standard error rate of the error that occurs when “Procedure 2-2" and “Procedure 2-3" to which "Operator 3" is assigned to "0.001".
- step S113 the work allocation evaluation unit 35 calculates the overall error rate of each pattern.
- the work allocation evaluation unit 35 includes "Procedure 1-1", “Procedure 1-2", and “Procedure” included in “Pattern A”.
- the overall error rate of "Pattern A” is "1.0 x E-” by multiplying the error rates of "1-3” and “Procedure 1-4" of "0.01", “0.01", “0.01” and “0.01". 8 ”is calculated.
- E-8 means 10 to the -8th power.
- the overall error rate of "Pattern F” is calculated from the error rate obtained by performing "(Standard error rate) x 1.0", which is an error rate correction corresponding to "Low”, which is the fatigue level of "Operator 2".
- the overall error rate of "Pattern F” calculated from the error rate of the former is smaller than the overall error rate of "Pattern F” calculated from the error rate of the latter. Therefore, the work allocation evaluation unit 35 adopts the overall error rate of "Pattern F" calculated from the error rate of the former.
- the work allocation evaluation unit 35 has the error rates of "Procedure 2-1", “Procedure 2-2" and “Procedure 2-3" included in “Pattern F", "0.0001", “0.001” and ". Multiply by "0.001” to calculate the overall error rate of "Pattern F", "1.0 x E-10".
- step S114 the work allocation evaluation unit 35 calculates the evaluation value of the pattern combination.
- the work allocation evaluation unit 35 When the combination of "Pattern A” and “Pattern F” is evaluated, the work allocation evaluation unit 35 has "1.0 ⁇ E-" which is the overall error rate of "Pattern A” as shown in FIG. Multiply “8” and “3”, which is a coefficient given to "Large”, which is the degree of influence of "Event 1", to calculate "3.0 x E-8", which is the evaluation value of "Pattern A”. Further, the work allocation evaluation unit 35 sets “1.0 ⁇ E-10”, which is the overall error rate of "Pattern F", and “2”, which is a coefficient given to "Medium”, which is the degree of influence of "Event 2". Multiply to get "2.0 x E-10" which is the evaluation value of "Pattern F”.
- the work allocation evaluation unit 35 adds the evaluation values of "3.0 ⁇ E-8" of “Pattern A” and the evaluation values of “2.0 ⁇ E-10” of “Pattern F” to “Pattern A”. "" And “Pattern F” are combined to calculate the evaluation value "3.0 x E-8 + 2.0 x E-10".
- the work allocation evaluation unit 35 similarly performs the evaluation value of the combination "3.0 ⁇ E-10 + 2.0 ⁇ E-9". Is calculated.
- the work allocation evaluation unit 35 similarly performs the evaluation value of the combination "3.0 ⁇ E-10 + 2.0 ⁇ E”. -10 "is calculated.
- step S115 the work allocation evaluation unit 35 determines whether or not the calculation of the evaluation values of all combinations is completed. If the calculation of the evaluation values of all the combinations is not completed, the work allocation evaluation unit 35 executes steps S111 to S115 again. When the calculation of the evaluation values of all combinations is completed, the work allocation evaluation unit 35 ends the processing for evaluation.
- the work allocation determination unit 36 determines the work allocation. At that time, the work allocation determination unit 36 determines the work allocation 76 from the plurality of selected work allocation candidates 73 based on the result 75 of the evaluation performed. The work allocation determination unit 36 sets the work allocation candidate having the highest evaluation result as the work allocation 76. In the first embodiment, determining the work allocation 76 based on the evaluation result 75 is determining the work allocation 76 based on the magnitude of the evaluation value. Further, determining the work allocation 76 based on the magnitude of the evaluation value is to set the work allocation candidate having the evaluation value indicating the smallest risk magnitude as the work allocation 76. When the evaluation value increases as the risk magnitude increases, the evaluation value indicating the smallest risk magnitude is the smallest evaluation value.
- the evaluation value of the combination of "Pattern A” and “Pattern F” is "3.0 x E-8 + 2.0 x E-10", and the evaluation value of the combination of "Pattern B” and “Pattern E” is "3.0". ⁇ E-10 + 2.0 ⁇ E-9 ”, and if the evaluation value of the combination of“ Pattern B ”and“ Pattern F ”is“ 3.0 ⁇ E-10 + 2.0 ⁇ E-10 ”, work allocation
- the determination unit 36 sets the combination of "Pattern B” and “Pattern F” having the smallest evaluation value "3.0 x E-10 + 2.0 x E-10" as the work allocation 76.
- the work allocation presentation method determination unit 37 determines the presentation method 77 for presenting the determined work allocation 76 to the operator.
- the work assignment presentation method determination unit 37 acquires the work procedure information 53 and the work procedure information 54 from the work procedure information storage unit 23, and the acquired work procedure information 53 and the work procedure information 54, the determined operator.
- the presentation method 77 is determined based on the situation 74 of the above and the determined work allocation 76. Thereby, the presentation method 77 according to the situation 74 of the operator can be dynamically determined.
- the presentation method 77 includes at least one selected from the group consisting of presentation content, presentation means, and presentation timing.
- the presentation method 77 includes the presentation content, the presentation means, and the presentation timing.
- the work assignment presentation method determination unit 37 identifies the workload applied to the operator who performs the work when the work is performed and the error rate of the error which occurs when the work is performed, which is indicated by the work procedure information 54. do.
- the work allocation presentation method determination unit 37 identifies the status of the operator who can present the set of the specified workload and error rate indicated by the presentation information 59. Further, the work allocation presentation method determination unit 37 sets the timing, which is the situation of the operator who can be presented specified by the situation 74 of the operator, as the presentation timing.
- FIG. 15 is a flowchart showing an example of a process for determining a presentation method performed by the work assignment device of the first embodiment.
- FIG. 16 is a diagram illustrating an example of determination of a presentation method performed by the work assignment device of the first embodiment.
- the work allocation presentation method determination unit 37 executes steps S121 to S125 shown in FIG.
- step S121 the work allocation presentation method determination unit 37 acquires work information from the work procedure information storage unit 23 and the work allocation determination unit 36.
- the acquired work information includes the contents of the work to be performed before and after, the time until the next work, the target plant, and the like.
- the work assignment presentation method determination unit 37 determines the presentation content to be presented to the operator from the acquired work information and the operator's situation 74.
- the allocation presentation method determination unit 37 decides to present the contents of the work to be performed in "Procedure 1-4" to "Operator 1".
- the work assignment presentation method determination unit 37 determines the presentation means from the acquired work information and the operator's situation 74.
- the allocation presentation method determination unit 37 determines to present the content of the work to the "operator 1" by displaying the content of the work to be performed on the terminal operated by the "operator 1", for example.
- the work assignment presentation method determination unit 37 acquires the operator status 74 in real time.
- the operator's situation 74 acquired in real time includes the operator's alertness.
- the driver's alertness is, for example, high when the line of sight moves quickly and frequently and the blinking cycle is stable, and low when the line of sight moves and blinks slowly.
- the work assignment presentation method determination unit 37 determines the optimum presentation timing from the acquired work information and the operator's situation 74.
- the work allocation presentation method determination unit 37 can grasp the presentable arousal level corresponding to the set of the workload and the error rate from the presentation information 59. For example, from the first line of the presentation information 59, the work allocation presentation method determination unit 37 determines the arousal level "excellent” that can be presented corresponding to the workload "large” and the error rate "large”. Can be grasped. Therefore, as shown in FIG. 16, the work assignment presentation method determination unit 37 has "operation A”, "operation B", and "confirmation work C" from the work procedure information 53, the work procedure information 54, and the presentation information 59. And it is possible to grasp the arousal level that can be presented corresponding to each work of "operation D". In FIG.
- the presentable arousal levels corresponding to each of the “operation A”, “operation B”, “confirmation work C”, and “operation D” operations are represented by gray fill. Further, in FIG. 16, the arousal level of the operator acquired in real time is shown by the curve 91. In FIG. 16, at the time indicated by the point 92, the workload becomes “small”, the error rate becomes “small”, and the arousal level of the operator shown by the curve 91 is expressed by gray filling. It becomes "OK" which is the degree. Therefore, the time point indicated by point 92 is determined as the optimum presentation timing.
- the work allocation presentation unit 38 presents the determined work allocation 76 to the operator by the determined presentation method 77.
- the work allocation presentation unit 38 presents the work allocation 76 to the operator by outputting the contents of the work allocation 76 to the output device.
- the output device is a display, a speaker, or the like.
- FIG. 17 is a diagram showing the contents of the work to be performed next by the operator displayed on the operation screen of the plant operated by the operator by the work assignment device of the first embodiment.
- FIG. 17 shows the contents of the work to be performed next by the "operator 1" displayed on the operation screen 93 of the "plant 1" operated by the "operator 1".
- the driver's situation 74 includes the operator's fatigue level, and the error rate is corrected to the standard error rate based on the operator's fatigue level.
- the operator's situation 74 may include the operator's situation other than the operator's fatigue level, and the error rate may be corrected to the standard error rate based on the operator's situation.
- the operator's situation 74 includes load status, situation recognition ability, alertness, concentration, etc., and error rate correction is performed to the standard error rate based on load status, situation recognition ability, alertness, concentration, etc. May be good. Even if the operator status 74 includes multiple operator situations, multiple operator situations are comprehensively considered, and error rate corrections are made to the standard error rate based on multiple operator situations. good.
- error rate correction may be performed on the standard error rate based on a simple sum or a weighted sum of a plurality of numerical values indicating a plurality of situations of the operator. If error rate correction is made to the standard error rate based on the weighted sum, the weighting may be changed dynamically.
- the standard error rate may be corrected by a method other than the error rate correction.
- the operator status 74 determined by the operator status determination unit 34 is the current operator status. However, the operator status 74 determined by the operator status determination unit 34 may be the future operator status. If the operator status 74 determined by the operator status determination unit 34 is the future operator status, the operator status determination unit 34 will determine the future operator status in order to determine the future operator status. Predict the situation of.
- the work allocation evaluation unit 35 calculates the evaluation value without considering the error generated by the takeover of the work.
- the work allocation evaluation unit 35 may calculate the evaluation value in consideration of the error generated by the handing over of the work.
- the work allocation evaluation unit 35 adds the error rate of the error generated by taking over the work to the basic error rate when the work is newly carried out or the plant to be worked is changed. The evaluation value may be calculated.
- the evaluation value indicates the magnitude of the risk.
- the evaluation value may indicate the degree of matters other than the magnitude of risk.
- the evaluation value may indicate a high cost, a long required time, a high priority, or the like.
- the evaluation value may comprehensively indicate the degree of a plurality of items.
- the evaluation value may be a simple sum or a weighted sum of a plurality of values indicating the degree of each of the plurality of items. If the evaluation value is a weighted sum of a plurality of values, the weighting may be changed dynamically.
- the time required to carry out each procedure is the same, and the next procedure is started immediately after one procedure is completed.
- more complex procedures may be implemented.
- the time required to carry out each procedure may be different.
- the next procedure may be started at a time interval after the procedure is completed.
- the work procedure 72 is derived based on the plant information 51 regarding the plant, and the allocation of the operator to the procedure constituting the derived work procedure 72 is determined. As a result, it is possible to dynamically allocate operators according to the situation of the plant.
- the operator's situation 74 is determined based on the operation information 55 regarding the plant operation by each operator and the biometric information 57 of each operator, and the determined operator's situation 74 is set.
- Each of the plurality of work allocation candidates 73 is evaluated based on the evaluation, and the work allocation 76 is determined based on the evaluation result 75. As a result, it is possible to dynamically allocate the operator according to the situation 74 of the operator.
- the operator's situation 74 is determined based on the operation information 55 regarding the plant operation by each operator and the biometric information 57 of each operator, and the determined operator's situation 74 is set. Based on this, the presentation method 77 for presenting the work assignment to the operator is determined. Therefore, it is possible to make a presentation according to the situation 74 of the operator. As a result, it is possible to deal with the occurrence event 71 that has occurred in the plant, which is suitable for the situation 74 of the operator.
- the human situation such as the degree of fatigue is used for user interface control.
- the operator's situation such as the operator's workload and situational awareness
- the assignment is not presented to the operator in consideration of the situation of the operator who takes over the work, so that the operator correctly recognizes the situation. It is not possible to take over the work smoothly.
- the occurrence of such a problem can be suppressed.
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Strategic Management (AREA)
- Economics (AREA)
- Entrepreneurship & Innovation (AREA)
- Development Economics (AREA)
- Educational Administration (AREA)
- Operations Research (AREA)
- Marketing (AREA)
- Game Theory and Decision Science (AREA)
- Quality & Reliability (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
図1は、実施の形態1の作業割当て装置が実装された監視制御システムのハードウェア構成を模式的に図示するブロック図である。
図2は、実施の形態1の作業割当て装置の機能構成を模式的に図示するブロック図である。
3.1 プラント情報
プラント情報格納部21は、プラント情報51を格納する。格納されるプラント情報51は、プラントに関する情報である。プラント情報51は、時系列情報である。プラント情報51は、プラントを構成するプラント機器により取得される。プラント情報51は、プラント機器により発せられるアラームに関するアラーム情報及びプラント機器により出力されるプラント値からなる群より選択される少なくとも1種を含む。以下では、プラント情報51が、アラーム情報及びプロセス値の両方を含むとする。プラント情報51が、アラーム情報及びプラント値以外の情報を含んでもよい。例えば、プラント情報51が、アラーム情報に代えて又はアラーム情報に加えて、アラーム情報以外のプラントの運転の状態に関する情報を含んでもよい。プラント機器は、プラントの種類に応じた機器であり、モータ、ポンプ、弁等である。
事象情報格納部22は、事象情報52を格納する。格納される事象情報52は、プラントにおいて発生する事象に関する情報である。
作業手順情報格納部23は、作業手順情報53及び作業手順情報54を格納する。格納される作業手順情報53及び作業手順情報54は、各手順に関する情報である。
運転情報格納部24は、運転情報55を格納する。格納される運転情報55は、各運転員によるプラントの運転に関する情報である。運転情報55は、時系列情報である。運転情報55は、プラントの状態及びプラントにおいて発生した事象に応じた情報である。運転情報55は、操作内容、操作回数、操作所要時間及び操作頻度からなる群より選択される少なくとも1種を含む。運転情報55が、これらの情報以外の情報を含んでもよい。操作内容は、モータの起動/停止、ポンプの起動/停止、弁の開閉、プラント情報の確認等である。
運転員情報格納部25は、運転員情報56を格納する。格納される運転員情報56は、各運転員に関する情報である。運転員情報56は、各運転員がプラントの運転に対応中であるか否か、各運転員がプラントの運転に対応中でない場合に各運転員がプラントの運転に対応することができるか否か、及び各運転員が実施資格を有するか否かを示す。運転員情報56が、これらの情報以外の情報を示してもよい。例えば、運転員情報56が、各運転員が有する資格、役職、性格、経験等を示してもよい。
生体情報格納部26は、生体情報57を格納する。格納される生体情報57は、各運転員の生体情報を示す。生体情報57は、時系列情報である。生体情報57は、接触型又は非接触型の生体センサ等により取得される。生体情報57は、体温、血圧、心拍数、呼吸数、心電波形、感情、ストレス、視線、眼球運動、まばたき及び脳波からなる群より選択される少なくとも1種を含む。
評価情報格納部27は、評価情報58を格納する。格納される評価情報58は、下述する複数の作業割当て候補73の各々の評価を行うために必要な情報である。実施の形態1においては、評価情報58は、運転員の各状況に対応する補正を示す。実施の形態1においては、運転員の各状況は、運転員の各疲労度である。また、補正は、標準エラー率のエラー率補正である。このため、評価情報58は、運転員の各疲労度に対応する標準エラー率のエラー率補正を示す。
提示情報格納部28は、提示情報59を格納する。格納される提示情報59は、運転員の状況に応じて作業割当てを提示する提示方法を決定するための情報である。提示情報59は、作業負荷とエラー率との各組に対応する提示可能な運転員の状況を示す。実施の形態1においては、提示可能な運転員の状況は、提示可能な運転員の覚醒度である。このため、提示情報59は、作業負荷とエラー率との各組に対応する提示可能な運転員の覚醒度を示す。
4.1 概略
作業割当て装置2は、プラント及び運転員の状況に基づいて、運転員及びシステムを作業に動的に割当てる。また、作業割当て装置2は、作業への運転員の割当てを運転員に提示する提示方法を決定し、決定した提示方法にしたがって作業への運転員の割当てを運転員に提示する。作業への運転員の割当ての提示は、ディスプレイ、スピーカ等の外部出力装置に作業への運転員の割当ての結果を出力させることにより行われる。
図9は、実施の形態1の作業割当て装置により行われる処理を示すフローチャートである。
続くステップS102においては、作業手順決定部32が、作業手順72を決定する。作業手順決定部32は、その際に、推定された発生事象71に基づいて作業手順72を決定する。作業手順決定部32は、その際に、事象情報格納部22から事象情報52を取得し、取得した事象情報52により示される、推定された発生事象71が発生した場合に実施すべき作業手順を、決定する作業手順72にする。
ステップS101及びS102により、プラント状況診断部31及び作業手順決定部32は、プラント情報51に基づいて作業手順72を導出する作業手順導出部41を構成する。
続くステップS103においては、スケジューリング部33が、スケジューリングを行う。スケジューリング部33は、その際に、複数の作業割当て候補73を選定する。複数の作業割当て候補73の各々は、決定された作業手順72を構成する手順への運転員及びシステムの割当てを示す。当該割当ては、実現可能な割当てとなっている。
続くステップS104においては、運転員状況判定部34が、運転員の状況74を判定する。運転員状況判定部34は、その際に、運転情報格納部24から運転情報55を取得し、生体情報格納部26から生体情報57を取得し、取得した運転情報55及び生体情報57に基づいて運転員の状況74を判定する。運転員状況判定部34が、運転情報55及び生体情報57の一方のみを取得し、運転情報55及び生体情報57の一方のみに基づいて運転員の状況74を判定してもよい。判定される運転員の状況74は、運転員の負荷状況、状況認識力、疲労度、覚醒度及び集中力からなる群より選択される少なくとも1種を含む。運転員状況判定部34は、例えば、体温、血圧、心拍数、呼吸数、ストレス、操作回数、操作所要時間、操作頻度等に基づいて運転員の負荷状況を判定する。又は、運転員状況判定部34は、心拍数、呼吸数、眼球運動、脳波等に基づいて運転員の状況認識力を判定する。又は、運転員状況判定部34は、操作回数、操作スピード、操作頻度等に基づいて運転員の疲労度を判定する。又は、運転員状況判定部34は、心拍数、呼吸数、脳波、まばたき等に基づいて運転員の覚醒度を判定する。又は、運転員状況判定部34は、心拍数、心拍変動、呼吸等に基づいて運転員の集中力を判定する。又は、運転員状況判定部34は、操作所要時間に基づいて運転員の疲労度を判定する。以下では、運転員状況判定部34が操作所要時間に基づいて運転員の疲労度を判定するとする。
続くステップS105においては、作業割当て評価部35が、複数の作業割当て候補73の各々の評価を行う。作業割当て評価部35は、その際に、作業手順情報格納部23から作業手順情報53を取得し、評価情報格納部27から評価情報58を取得し、取得した作業手順情報53及び評価情報58並びに判定された運転員の状況74に基づいて評価を行う。具体的には、作業割当て評価部35は、作業手順情報53により示される、作業手順72を構成する手順が実施された場合に発生するエラーの標準エラー率に基づいて評価を行う。また、作業割当て評価部35は、評価情報58により示される、運転員の疲労度に対応するエラー率補正を評価に適用する。これにより、運転員の状況74に応じた評価を行うことができる。実施の形態1においては、評価を行うことは、評価値を算出することである。算出される評価値は、リスクの大きさを示す。評価値は、リスクの大きさが大きくなるほど大きくなる。
図9に戻って説明を続ける。
続くステップS107においては、作業割当て提示方法決定部37が、決定された作業割当て76を運転員に提示する提示方法77を決定する。作業割当て提示方法決定部37は、その際に、作業手順情報格納部23から作業手順情報53及び作業手順情報54を取得し、取得した作業手順情報53及び作業手順情報54、判定された運転員の状況74並びに決定された作業割当て76に基づいて提示方法77を決定する。これにより、運転員の状況74に応じた提示方法77を動的に決定することができる。提示方法77は、提示内容、提示手段及び提示タイミングからなる群より選択される少なくとも1種を含む。以下では、提示方法77が、提示内容、提示手段及び提示タイミングを含むとする。作業割当て提示方法決定部37は、作業手順情報54により示される、作業が実施された場合に作業を実施する運転員にかかる作業負荷及び作業が実施された場合に発生するエラーのエラー率を特定する。また、作業割当て提示方法決定部37は、提示情報59により示される、特定した作業負荷及びエラー率の組に対応する提示可能な運転員の状況を特定する。また、作業割当て提示方法決定部37は、運転員の状況74が特定した提示可能な運転員の状況であるタイミングを提示タイミングにする。
図9に戻って説明を続ける。
実施の形態1においては、運転員の状況74が運転員の疲労度を含み、運転員の疲労度に基づいて標準エラー率にエラー率補正が行われる。しかし、運転員の状況74が運転員の疲労度以外の運転員の状況を含み、当該運転員の状況に基づいて標準エラー率にエラー率補正が行われてもよい。例えば、運転員の状況74が負荷状況、状況認識力、覚醒度、集中力等を含み、負荷状況、状況認識力、覚醒度、集中力に基づいて標準エラー率にエラー率補正が行われてもよい。運転員の状況74に運転員の複数の状況が含まれ、運転員の複数の状況が総合的に考慮され、運転員の複数の状況に基づいて標準エラー率にエラー率補正が行われてもよい。例えば、運転員の複数の状況をそれぞれ示す複数の数値の単純合計又は重み付け合計に基づいて標準エラー率にエラー率補正が行われてもよい。重み付け合計に基づいて標準エラー率にエラー率補正が行われる場合は、重み付けが動的に変更されてもよい。標準エラー率にエラー率補正を行う以外の方法により補正が行われてもよい。
実施の形態1によれば、プラントに関するプラント情報51に基づいて作業手順72が導出され、導出された作業手順72を構成する手順への運転員の割当てが決定される。これにより、プラントの状況に応じた運転員の割当てを動的に行うことができる。
Claims (25)
- プラントに関するプラント情報に基づいて作業手順を導出する作業手順導出部と、
前記作業手順を構成する手順への運転員の割当てを示す複数の作業割当て候補を選定するスケジューリング部と、
前記複数の作業割当て候補の各々の評価を行う作業割当て評価部と、
前記評価の結果に基づいて前記複数の作業割当て候補から作業割当てを決定する作業割当て決定部と、
を備える作業割当て装置。 - 前記作業手順導出部は、
前記プラント情報に基づいて前記プラントにおいて発生している発生事象を推定するプラント状況診断部と、
前記発生事象に基づいて前記作業手順を決定する作業手順決定部と、
を備える
請求項1の作業割当て装置。 - 前記プラント状況診断部は、前記発生事象を推定するために必要なデータを格納した知識ベースを用いて前記発生事象を推定する
請求項2の作業割当て装置。 - 前記データは、不具合の原因と事象が波及する範囲との関係を含む
請求項3の作業割当て装置。 - 前記作業手順決定部は、各事象が発生した場合に実施すべき作業手順を示す事象情報により示される、前記発生事象が発生した場合に実施すべき作業手順を決定する作業手順にする
請求項2から4までのいずれかの作業割当て装置。 - 前記プラント情報は、前記プラントを構成するプラント機器により発せられるアラームに関するアラーム情報及び前記プラント機器により出力されるプラント値からなる群より選択される少なくとも1種を含む
請求項1から5までのいずれかの作業割当て装置。 - 前記スケジューリング部は、各手順に関する作業手順情報及び各運転員に関する運転員情報に基づいて前記複数の作業割当て候補を選定する
請求項1から6までのいずれかの作業割当て装置。 - 前記作業手順情報は、人間及びシステムの各々が前記各手順を実施することができるか否かを示し、
前記スケジューリング部は、
前記作業手順情報により前記人間及び前記システムが前記手順を実施することができることが示された場合には、前記人間又は前記システムを前記手順に割当て、
前記作業手順情報により前記人間が前記手順を実施することができるが前記システムが前記手順を実施することができないことが示された場合には、前記人間を前記手順に割当て、
前記作業手順情報により前記システムが前記手順を実施することができるが前記人間が前記手順を実施することができないことが示された場合には、前記システムを前記手順に割当てる
請求項7の作業割当て装置。 - 前記作業手順情報は、前記各手順が実施資格を要するか否かを示し、
前記運転員情報は、前記各運転員が前記実施資格を有するか否かを示し、
前記スケジューリング部は、前記作業手順情報により前記手順が前記実施資格を要することが示された場合には、前記運転員情報により示される、前記実施資格を有する運転員を前記手順に割当て、前記運転員情報により示される、前記実施資格を有しない運転員を前記手順に割当てない
請求項7又は8の作業割当て装置。 - 前記運転員情報は、前記各運転員が前記プラントの運転に対応中であるか否か、及び前記各運転員が前記プラントの運転に対応中でない場合に前記各運転員が前記プラントの運転に対応することができるか否かを示し、
前記スケジューリング部は、前記運転員情報により示される、前記プラントの運転に対応中である又は前記プラントの運転に対応することができる運転員を前記手順に割当て、前記運転員情報により示される、前記プラントの運転に対応することができない運転員を前記手順に割当てない
請求項7から9までのいずれかの作業割当て装置。 - 前記作業割当て評価部は、前記運転員の状況に基づいて前記評価を行う
請求項1から10までのいずれかの作業割当て装置。 - 前記運転員の状況は、前記運転員の負荷状況、状況認識力、疲労度、覚醒度及び集中力からなる群より選択される少なくとも1種を含む
請求項11の作業割当て装置。 - 前記運転員による前記プラントの運転に関する情報を示す運転情報及び前記運転員の生体情報の少なくとも一方に基づいて前記運転員の状況を判定する運転員状況判定部
を備える請求項11又は12の作業割当て装置。 - 前記運転情報は、操作内容、操作回数、操作所要時間及び操作頻度からなる群より選択される少なくとも1種を含む
請求項13の作業割当て装置。 - 前記生体情報は、体温、血圧、心拍数、呼吸数、心電波形、感情、ストレス、視線、眼球運動、まばたき及び脳波からなる群より選択される少なくとも1種を含む
請求項13又は14の作業割当て装置。 - 前記運転情報は、操作所要時間を含み、
前記運転員の状況は、前記運転員の疲労度を含み、
前記運転員状況判定部は、前記操作所要時間が長くなるほど前記疲労度を高くする
請求項13から15までのいずれかの作業割当て装置。 - 前記作業割当て評価部は、各手順が実施された場合に発生するエラーの標準エラー率を示す作業手順情報により示される、前記手順が実施された場合に発生するエラーの標準エラー率に基づいて前記評価を行う
請求項11から16までのいずれかの作業割当て装置。 - 前記作業割当て評価部は、前記運転員の状況及び前記評価を行うために必要な評価情報に基づいて前記評価を行う
請求項11から17までのいずれかの作業割当て装置。 - 前記評価情報は、前記運転員の各状況に対応する補正を示し、
前記作業割当て評価部は、前記評価情報により示される、前記運転員の状況に対応する補正を前記評価に適用する
請求項18の作業割当て装置。 - 前記評価を行うことは、評価値を算出することであり、
前記評価の結果に基づいて前記作業割当てを決定することは、前記評価値の大小に基づいて前記作業割当てを決定することである
請求項1から19までのいずれかの作業割当て装置。 - 前記評価値は、リスクの大きさを示し、
前記評価値の大小に基づいて前記作業割当てを決定することは、最も小さいリスクの大きさを示す評価値を有する作業割当て候補を前記作業割当てにすることである
請求項20の作業割当て装置。 - 前記作業割当てを前記運転員に提示する提示方法を決定する作業割当て提示方法決定部と、
前記提示方法により前記作業割当てを前記運転員に提示する作業割当て提示部と、
を備える請求項1から21までのいずれかの作業割当て装置。 - 前記作業割当て提示方法決定部は、前記運転員の状況に基づいて前記提示方法を決定する
請求項22の作業割当て装置。 - 前記提示方法は、提示内容、提示手段及び提示タイミングからなる群より選択される少なくとも1種を含む
請求項22又は23の作業割当て装置。 - 前記提示方法は、提示タイミングを含み、
前記作業割当て提示方法決定部は、各手順を構成する作業、各作業が実施された場合に前記各作業を実施する運転員にかかる作業負荷、前記作業が実施された場合に発生するエラーのエラー率を示す作業手順情報、並びに作業負荷及びエラー率の各組に対応する提示可能な運転員の状況を示す提示情報に基づいて前記手順に対応する提示可能な運転員の状況を特定し、前記運転員の状況が特定した提示可能な運転員の状況であるタイミングを前記提示タイミングにする
請求項22から24までのいずれかの作業割当て装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3175184A CA3175184A1 (en) | 2020-05-21 | 2020-05-21 | Work assignment device |
PCT/JP2020/020084 WO2021234898A1 (ja) | 2020-05-21 | 2020-05-21 | 作業割当て装置 |
US17/918,579 US20230141642A1 (en) | 2020-05-21 | 2020-05-21 | Work assignment device |
JP2022524795A JP7186924B2 (ja) | 2020-05-21 | 2020-05-21 | 作業割当て装置 |
EP20936587.3A EP4156042A4 (en) | 2020-05-21 | 2020-05-21 | WORK ASSIGNMENT DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/020084 WO2021234898A1 (ja) | 2020-05-21 | 2020-05-21 | 作業割当て装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021234898A1 true WO2021234898A1 (ja) | 2021-11-25 |
Family
ID=78708587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2020/020084 WO2021234898A1 (ja) | 2020-05-21 | 2020-05-21 | 作業割当て装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230141642A1 (ja) |
EP (1) | EP4156042A4 (ja) |
JP (1) | JP7186924B2 (ja) |
CA (1) | CA3175184A1 (ja) |
WO (1) | WO2021234898A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023223545A1 (ja) * | 2022-05-20 | 2023-11-23 | 三菱電機株式会社 | プラント運転支援システム |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10222222A (ja) * | 1997-02-07 | 1998-08-21 | Mitsubishi Chem Corp | バッチ・プロセス・プラントの運転支援装置 |
JP2001184139A (ja) | 1999-12-27 | 2001-07-06 | Nec Corp | ユーザインタフェースシステム |
JP2012088087A (ja) * | 2010-10-15 | 2012-05-10 | Toshiba Corp | 定検時燃料等取替作業監視装置及び方法 |
JP2016194772A (ja) * | 2015-03-31 | 2016-11-17 | 三菱重工業株式会社 | 作業計画システム及び意思決定支援システム |
WO2017163629A1 (ja) | 2016-03-25 | 2017-09-28 | 日本電気株式会社 | 情報処理装置、その制御方法および制御プログラム |
JP2018018125A (ja) * | 2016-07-25 | 2018-02-01 | 三菱電機株式会社 | プラント運用支援システムサーバおよびプラント運用支援システム |
US20190361428A1 (en) * | 2018-05-23 | 2019-11-28 | Honeywell International Inc. | Competency gap identification of an operators response to various process control and maintenance conditions |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08202773A (ja) * | 1995-01-31 | 1996-08-09 | Hitachi Ltd | ソフトウェアプロジェクト進行管理装置 |
US7769617B2 (en) * | 2002-10-29 | 2010-08-03 | Tokyo Electron Limited | Worker management system, worker management apparatus and worker management method |
JP2009238033A (ja) * | 2008-03-27 | 2009-10-15 | Hitachi Ltd | 資源割当支援装置、資源割当支援方法、及び資源割当支援プログラム |
CA3101126C (en) * | 2008-05-21 | 2021-07-20 | Canadian National Railway Company | Linear assets inspection system |
KR101156087B1 (ko) * | 2009-07-28 | 2012-06-20 | 인하대학교 산학협력단 | 다중 서버 환경의 생체인증시스템을 위한 작업량 예측기반 작업 스케줄링 방법 |
US10445667B2 (en) * | 2013-08-23 | 2019-10-15 | Verint Americas Inc. | System and method of work assignment management |
WO2016208030A1 (ja) * | 2015-06-25 | 2016-12-29 | 株式会社日立製作所 | 作業指導割当システム及び作業指導割当方法 |
-
2020
- 2020-05-21 US US17/918,579 patent/US20230141642A1/en active Pending
- 2020-05-21 WO PCT/JP2020/020084 patent/WO2021234898A1/ja unknown
- 2020-05-21 JP JP2022524795A patent/JP7186924B2/ja active Active
- 2020-05-21 CA CA3175184A patent/CA3175184A1/en active Pending
- 2020-05-21 EP EP20936587.3A patent/EP4156042A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10222222A (ja) * | 1997-02-07 | 1998-08-21 | Mitsubishi Chem Corp | バッチ・プロセス・プラントの運転支援装置 |
JP2001184139A (ja) | 1999-12-27 | 2001-07-06 | Nec Corp | ユーザインタフェースシステム |
JP2012088087A (ja) * | 2010-10-15 | 2012-05-10 | Toshiba Corp | 定検時燃料等取替作業監視装置及び方法 |
JP2016194772A (ja) * | 2015-03-31 | 2016-11-17 | 三菱重工業株式会社 | 作業計画システム及び意思決定支援システム |
WO2017163629A1 (ja) | 2016-03-25 | 2017-09-28 | 日本電気株式会社 | 情報処理装置、その制御方法および制御プログラム |
JP2018018125A (ja) * | 2016-07-25 | 2018-02-01 | 三菱電機株式会社 | プラント運用支援システムサーバおよびプラント運用支援システム |
US20190361428A1 (en) * | 2018-05-23 | 2019-11-28 | Honeywell International Inc. | Competency gap identification of an operators response to various process control and maintenance conditions |
Non-Patent Citations (1)
Title |
---|
See also references of EP4156042A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023223545A1 (ja) * | 2022-05-20 | 2023-11-23 | 三菱電機株式会社 | プラント運転支援システム |
Also Published As
Publication number | Publication date |
---|---|
JPWO2021234898A1 (ja) | 2021-11-25 |
EP4156042A1 (en) | 2023-03-29 |
CA3175184A1 (en) | 2021-11-25 |
US20230141642A1 (en) | 2023-05-11 |
JP7186924B2 (ja) | 2022-12-09 |
EP4156042A4 (en) | 2023-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Havlikova et al. | Human reliability in man-machine systems | |
US8682686B2 (en) | System and method to manage a workflow in delivering healthcare | |
US7865278B2 (en) | Diagnostic test sequence optimization method and apparatus | |
US9384326B2 (en) | Diagnosis support apparatus, storage medium storing program, and method for deducing a diagnosis based on input findings | |
JP6655926B2 (ja) | 異常診断システム | |
EP2951654B1 (en) | Methods and systems for online monitoring using a variable data sampling rate | |
JP7066044B2 (ja) | プラント監視制御装置およびプラント監視制御方法 | |
WO2021234898A1 (ja) | 作業割当て装置 | |
Lee et al. | Measuring situation awareness of operating team in different main control room environments of nuclear power plants | |
CN111554396B (zh) | 用于集中患者监测管理的方法和系统 | |
US11837359B2 (en) | Method and system for centralized patient monitoring management | |
JP6431577B1 (ja) | 昇降機監視システムおよびその試験方法 | |
Lee et al. | Experimental investigation into the effects of decision support systems on operator performance | |
EP4418609A1 (en) | Action prioritisation recommendation | |
JP7412630B2 (ja) | プラント運転支援システム | |
Sabattini et al. | Methodological Approach for the Evaluation of an Adaptive and Assistive Human-Machine System | |
Böckelmann et al. | Current standards for the ergonomics design of software for visual digital assistance systems in Germany | |
GB2627219A (en) | Action prioritisation recommendation | |
JPH04291428A (ja) | 障害情報表示装置 | |
WO2020213092A1 (ja) | メンテナンス支援プログラム、メンテナンス支援装置、およびメンテナンス支援方法 | |
CN114237934A (zh) | 异常作业确定方法、装置、设备及存储介质 | |
WO2023212060A1 (en) | Converged mct and holter cardiac reporting | |
Bishop et al. | Human Information Processing and Cognition: Applications to Improve Reliability, Availability, and Maintainability (RAM) | |
Morris et al. | Cognitive Metrics Profiling: A Model-Driven Approach to Predicting and Classifying Workload | |
CN116909682A (zh) | 客户关系管理系统中的资源分配方法、装置、设备及介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20936587 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022524795 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 3175184 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2020936587 Country of ref document: EP Effective date: 20221221 |