WO2022208652A1 - 作業支援装置、作業支援システム、および、作業支援方法 - Google Patents
作業支援装置、作業支援システム、および、作業支援方法 Download PDFInfo
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- WO2022208652A1 WO2022208652A1 PCT/JP2021/013510 JP2021013510W WO2022208652A1 WO 2022208652 A1 WO2022208652 A1 WO 2022208652A1 JP 2021013510 W JP2021013510 W JP 2021013510W WO 2022208652 A1 WO2022208652 A1 WO 2022208652A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0633—Workflow analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Definitions
- the technology disclosed in this specification relates to work support technology.
- the technology disclosed in the specification of the present application has been made in view of the problems described above, and is a technology for improving production efficiency in production lines.
- a work support device which is a first aspect of the technology disclosed in the present specification, includes at least one worker information that is information about a worker who performs work in cooperation with a production facility, and information about the production facility. generating at least one piece of profile information, which is information including the work ability of the worker and the work ability of the production equipment, based on at least one piece of production equipment information; a profile information evaluation unit for evaluating the degree of change in the profile information, using reference profile information, which is information including the capability and the reference work capability of the production equipment, as a reference; and based on the evaluation by the profile information evaluation unit.
- a correction estimation unit for estimating a correction method for the profile information and a correction effect resulting from the correction method; and the operation for performing correction based on the corresponding correction method based on the correction effect.
- an instruction determination unit for determining a correction instruction for at least one of the person and the production equipment.
- production efficiency in the production line can be improved.
- FIG. 1 is a diagram conceptually showing an example of a configuration of a work support system according to an embodiment
- FIG. 1 is a diagram schematically showing an example of the configuration of a production line in which work is supported by a work support system according to an embodiment
- FIG. 4 is a flow chart showing an example of processing performed by the work support system according to the embodiment
- It is a figure which shows the example of worker information and a time stamp memorize
- FIG. 4 is a flow chart showing an example of processing performed by the work support system according to the embodiment; It is a figure which shows notionally the example of a structure of the work assistance system regarding embodiment. 4 is a flow chart showing an example of processing performed by a profile information learning unit in the work support system; It is a figure which shows notionally the example of a structure of the work assistance system regarding embodiment. 4 is a flowchart showing an example of processing performed by a profile correlation estimator in the work support system; FIG. 5 is a diagram showing an example of correlation coefficients for picking robots; FIG. 10 is a diagram showing an example of correlation coefficients in units of category data with respect to the “operating state” of the picking robot; FIG.
- FIG. 11 is a diagram showing an example of clustering of evaluation results of profile information with a category name of “gripping failure” in the “operating state” of the picking robot;
- FIG. 11 is a diagram schematically illustrating a hardware configuration in the case of actually operating the work support system whose examples are shown in FIGS. 1, 6, 8, or 10;
- FIG. 11 is a diagram schematically illustrating a hardware configuration in the case of actually operating the work support system whose examples are shown in FIGS. 1, 6, 8, or 10;
- FIG. 1 is a diagram conceptually showing an example of the configuration (functional part) of a work support device according to the present embodiment;
- FIG. 17 is a diagram conceptually showing an example of the configuration (functional units) of the work support device according to this embodiment.
- the work support device includes a profile information evaluation unit 3001, a correction estimation unit 3002, and an instruction determination unit 3003.
- the profile information evaluation unit 3001 evaluates the worker based on at least one piece of worker information, which is information about a worker who performs work in cooperation with the production equipment, and at least one piece of production equipment information, which is information about the production equipment. at least one piece of profile information that is information including the working ability of the production facility and the working ability of the production equipment, and furthermore, a reference that is information including the working ability that serves as the reference of the worker and the working ability that serves as the reference of the production equipment Using the profile information as a reference, the degree of change of the profile information is evaluated.
- the correction estimation unit 3002 estimates the profile information correction method and the correction effect resulting from the correction method based on the evaluation by the profile information evaluation unit.
- the instruction determination unit 3003 determines correction instructions for at least one of the worker and the production equipment for performing correction based on the corresponding correction method.
- FIG. 1 is a diagram conceptually showing an example of the configuration of a work support system according to this embodiment.
- the work support system 1 includes a work support device 11 , an input section 12 and an output section 13 .
- a work support system 1 according to the present embodiment is, for example, a system introduced into a production line of a factory.
- the work support device 11 extracts the worker information and the production equipment from the worker information, which is information about a worker who performs work in cooperation with the production equipment on the production line, and the production equipment information, which is information about the production equipment on the production line. A degree of influence on achievement of the production plan when at least one of the information is changed is estimated based on the evaluation of the profile information. Then, the work support device 11 determines distribution contents for correcting the profile information regarding at least one of the worker and the production equipment.
- the profile information includes attribute information, which is information specific to production equipment or information specific to a worker, and information about the work ability exhibited by the production equipment or worker at the site where the work support system 1 is introduced, such as a production line in a factory. It is information including certain performance index information. In other words, the profile information is information that indicates the comprehensive work ability of the worker and the production equipment.
- Attribute information of the profile information includes catalog specification values such as "model name”, “serial number”, “manufacturer name”, “maximum movable range” or “maximum operating speed”, as well as “installation line name”, Information related to the operation of the robot, such as “manager”, “usage” or “defect history” can be included.
- information such as "work speed” calculated for each work object or work condition, or information calculated from actual operation data such as "work failure rate” can contain.
- attribute information of the profile information in addition to personnel information such as "name”, “age”, “department”, “position”, “years of experience” or “work restrictions”, “qualifications” or " It is possible to include information related to the content of work to be engaged in, such as work experience history.
- performance index information of the profile information as in the case of production equipment, actual operation data such as "work speed” calculated for each work content or work condition, or "work failure rate” can include information calculated from
- the work support device 11 may be composed of a single device, or may be composed of a plurality of combined devices.
- the input unit 12 and the output unit 13 are communicably connected to the work support device 11 and serve as user interfaces for the work support device 11, respectively.
- the input unit 12 inputs information to the work support device 11 .
- the output unit 13 outputs information from the work support device 11 .
- the work support device 11 includes a worker information collection unit 101, a worker information storage unit 102, a production equipment information collection unit 103, a production equipment information storage unit 104, a profile information evaluation unit 105, and an evaluation result storage unit 106. , a simulation unit 107 , a profile information storage unit 108 , a distribution content determination unit 109 , a worker distribution unit 110 , and a production equipment distribution unit 111 .
- These elements may be configured by causing a computer to execute programs, or may be configured by hardware that does not execute programs.
- the worker information collection unit 101 sequentially collects new worker information in real time.
- the collected worker information includes at least the worker's personal identifier (ID) and information about the worker's work status.
- the worker's personal identifier is an identifier for identifying the worker, such as a number assigned to the worker or the name of the worker.
- the collected worker information may include the worker's continuous work time, environmental data of the worker's location, or the worker's utterances. The above environmental data are, for example, room temperature, humidity, illuminance or noise level.
- the collected worker information may include the length of the actual required time for the work relative to the standard required time for the target work.
- the information about the work status of the worker is information that indicates the progress of the work that the worker is engaged in.
- the collected work status is, for example, transition data such as the stock number of work objects or the number of work objects for which work has been completed.
- the work status may be collected by recording the work start time, work end time, inspection results, or the like for each work target of the worker by a production control system or the like, or the work progress status of the worker. may be collected, such as by analyzing images captured by a camera or the like.
- the worker information storage unit 102 stores worker information. New worker information collected by the worker information collecting unit 101 is included in the worker information stored in the worker information storage unit 102 .
- the worker information stored in the worker information storage unit 102 may include worker information other than the worker information collected by the worker information collection unit 101 .
- the worker information stored in the worker information storage unit 102 may include employment management data as worker information other than the worker information collected by the worker information collection unit 101 .
- Employment management data includes the worker's gender, age, physical characteristics, presence or absence of chronic illnesses, details of chronic illnesses, presence or absence of employment restrictions, details of employment restrictions, years of experience, strengths or weaknesses in each work, and possession These include qualifications, working hours, overtime hours, or vacation acquisition records. Physical characteristics among the above are, for example, height or weight.
- the production equipment information collection unit 103 sequentially collects new production equipment information in real time.
- the collected production equipment information includes at least device identifiers (IDs) of devices, operating statuses, and at least one of set values and current values of variable parameters related to collaborative production with workers.
- the device identifier of a device is an identifier for identifying the device, such as a number assigned to the device or the name of the device (device name).
- the collected production equipment information may contain information other than these pieces of information.
- the production equipment information to be collected includes at least one of the set values and current values of variable parameters that are not related to collaborative production with workers, the presence or absence of malfunctions or warnings, and the location where the production equipment is installed.
- Environmental data or measurement data of sensors installed inside or around the production equipment may be included.
- the measurement data is data obtained by measuring vibrations, electromagnetic waves, current values, voltage values, power values, power amounts, temperatures, or the like of production equipment.
- the production equipment information storage unit 104 stores production equipment information.
- the new production equipment information collected by the production equipment information collection unit 103 is included in the production equipment information stored in the production equipment information storage unit 104 .
- the production equipment information stored in the production equipment information storage unit 104 may include production equipment information other than the production equipment information collected by the production equipment information collection unit 103 .
- the production equipment information stored in the production equipment information storage unit 104 includes, as production equipment information other than the production equipment information collected by the production equipment information collection unit 103, purchase date, model number, manufacturing number, cumulative Operating hours, daily inspection records, maintenance records, upper and lower limit values that indicate the settable range of variable parameters related to collaborative production with workers, settable ranges of variable parameters that are not related to collaborative production with workers Upper and lower limit values indicating , an operation plan, or an operation record may be included.
- the profile information evaluation unit 105 generates profile information based on the worker information stored in the worker information storage unit 102 and the production equipment information stored in the production equipment information storage unit 104. Then, profile information evaluation section 105 evaluates the degree of change in profile information based on comparison with the reference profile information stored in profile information storage section 108 .
- the profile information evaluation unit 105 sequentially generates profile information in real time from the worker information and the production equipment information, and Based on the comparison with the reference profile information stored in the storage unit 108, the degree of change of the profile information is evaluated.
- the work speed of the worker or production equipment is calculated from the work start time and work end time for each work target of the worker or production equipment.
- the work defect rate of workers or production equipment or the work defect rate by defect content is calculated. be.
- the picking success rate for the remaining parts is calculated from the total remaining number (or total remaining weight) of the parts to be picked and the picking success/failure.
- the profile information evaluation unit 105 evaluates at least one piece of profile information. Preferably, the profile information corresponding to each of multiple workers or multiple production facilities is evaluated sequentially.
- the evaluation result storage unit 106 stores evaluation results of profile information corresponding to workers and production equipment newly evaluated by the profile information evaluation unit 105 .
- the evaluation result of the profile information stored in the evaluation result storage unit 106 includes at least work date and time data of the worker or the production equipment, identifier (ID) of the worker or the production equipment, work content of the worker or the production equipment, and , including the profile information for that date and time.
- the evaluation results of the profile information stored in the evaluation result storage unit 106 are desirably used by workers working at the same time (simultaneous workers) or production facilities working at the same time (simultaneous production facilities). Contains the identifier (ID) of the production equipment or the environmental data of the location where the worker or production equipment is located.
- the evaluation result of the profile information stored in the evaluation result storage unit 106 may include information other than these.
- the evaluation results of the profile information stored in the evaluation result storage unit 106 are the change history of the production management system, the poor physical condition or absence of other workers, or the work caused by malfunctions or failures of production equipment. It may contain trouble information and the like.
- the simulation unit 107 performs a simulation for estimating a correction method for correcting the corresponding profile information and a correction effect when the correction method is implemented based on the evaluation result of the profile information stored in the evaluation result storage unit 106. I do.
- the correction by the above correction method is made so that the overall work ability of the worker and production equipment indicated by the profile information approaches the corresponding work ability indicated by the reference profile information.
- the correction effect estimated by the simulation unit 107 is, for example, indicated by the total cost (production cost) when the production plan is executed based on the profile information to which the above correction method is applied.
- the production cost is, for example, the content of additional work or the time required due to the application of the correction method converted into money, which is a single evaluation index.
- the index indicating the correction effect is not limited to the above production costs, and may be, for example, the total amount of energy required for manufacturing (production), and the amount of carbon dioxide (CO 2 ) accompanying manufacturing (production). It may be total emissions.
- the profile information storage unit 108 stores reference profile information that is information indicating the ideal or standard work ability of workers and the ideal or standard work ability of production equipment.
- the reference profile information is information indicating the comprehensive work ability of the worker and production equipment.
- the reference profile information stored in the profile information storage unit 108 includes at least the identifier (ID) of the worker or the production equipment, the work content of the worker or the production equipment, the reference profile information value, and the reference profile information value for achieving the reference profile information value. includes command contents sent directly to workers and control contents sent directly to production equipment.
- the reference profile information stored in the profile information storage unit 108 is a standard value or a theoretical value when the worker or production equipment is in an ideal state.
- the reference profile information of other workers or other production equipment that is a prerequisite is, for example, the transfer speed of line transfer equipment at the work speed of the picking robot, etc. means the standard profile information set in the production equipment of
- "precautions when applying profile information” means matters to be noted when applying profile information for safety reasons, such as the necessity of intrusion prevention fences due to the work speed of picking robots. do.
- the reference profile information stored in the profile information storage unit 108 may include information other than these.
- the reference profile information stored in the profile information storage unit 108 includes the degree of fatigue of the worker when the profile information is applied, the incidence of poor physical condition of the worker, malfunction of the production equipment, or the probability of failure of the production equipment. may contain
- the distribution content determination unit 109 issues a correction instruction (i.e., command content or control content).
- Only one of the command content for the worker and the control content for the production equipment determined by the delivery content determination unit 109 may be used.
- the contents of the instruction to the worker are assumed to be a change in work procedure, a change in work speed, an instruction to take a break, an instruction to engage in other work (that is, a change in work content), and the like.
- the contents of control over the production equipment may include parameter setting change, target value setting change, operation mode change, production plan correction, re-planning command, warning issuance, and the like.
- the command content or control content determined by the distribution content determining unit 109 may include content other than the above examples.
- the worker distribution unit 110 distributes to the worker information about the command content to be applied to the worker, out of the command content or control content determined by the distribution content determination unit 109 .
- the worker distribution unit 110 also distributes to the worker information presented to the worker when the content of control for the production facility is applied to the production facility.
- the information to be presented is, for example, information that is desired to be presented in order to ensure worker safety or improve work efficiency.
- the information distributed by the worker distribution unit 110 (that is, the information about the instruction content applied to the worker) is displayed on the worker monitor used for the work or the mobile terminal held by the worker. Also, the information distributed by the worker distribution unit 110 may be displayed all at once on a digital signage or the like in the factory. Also, the information delivered by the worker delivery unit 110 may be delivered as voice information or various signal information.
- the worker distributing unit 110 determines the command content applied to the worker so that the work support device 11 can distribute information corresponding to the command content or control content determined by the distribution content determining unit 109 in real time. When determined, it is desirable to deliver the information presented to the worker in real time to the worker. Moreover, when the command content applied to the worker is determined, the worker distribution unit 110 preferably distributes information corresponding to the command content applied to the worker to the worker in real time.
- the production equipment distribution unit 111 distributes information corresponding to the control content to be applied to the production equipment among the command contents or control contents determined by the distribution content determination unit 109 to the production equipment.
- the information to be distributed (that is, the information about the control contents applied to the production equipment) is a setting change command, a file in which the setting change command is described, a setting value, or a change in the setting value.
- a setting change command is sent directly to the production equipment via a network or the like.
- Production equipment is connected to a programmable logic controller or database via a network, etc.
- setting values are written to the programmable logic controller or database, etc.
- the production equipment refers to the written setting values and updates its own setting values.
- You may A file containing setting change instructions may be output to a network folder or the like accessible to both the production equipment and the production equipment delivery unit 111, and the production equipment may read the file and update its own setting values.
- the production equipment distribution unit 111 determines the control content applied to the production equipment so that the work support device 11 can distribute information corresponding to the command content or control content determined by the distribution content determination unit 109 in real time. When determined, it is desirable to deliver information corresponding to the control content applied to the production equipment to the production equipment in real time.
- FIG. 2 is a diagram schematically showing an example of the configuration of a production line whose work is supported by the work support system 1 according to this embodiment.
- a production line 201 has a picking robot 202, a picking robot 203, a worker 204, and production equipment 205 that controls work on the production line 201.
- the picking robot 202 takes out (picks) one of a plurality of parts randomly stacked on a parts table 211 installed around the robot, and picks up an object to be assembled (work object) transported on the production line 201 .
- object the picking robot 203 takes out (picks) one of a plurality of parts randomly stacked on a parts table 212 installed around the robot, and picks up an object to be assembled that is conveyed on the production line 201. Insert the part into (work object).
- the worker 204 performs the work of fixing the new parts to the object to be assembled (work object) in which the new parts have been inserted by these robots.
- FIG. 3 is a flowchart showing an example of processing performed by the work support system 1 according to this embodiment. The processes of steps ST103 and ST104 in FIG. 3 are executed in parallel with steps ST101 and ST102.
- the worker information collection unit 101 collects worker information from a sensor, microphone, camera, touch panel, or the like attached to or near the body of the worker 204.
- the collected worker information is, for example, measurement data measured by a sensor, microphone, camera, touch panel, or the like.
- step ST102 the collected worker information and the time stamp associated therewith are stored in the worker information storage unit 102.
- FIG. 4 is a diagram showing examples of worker information and time stamps stored in the work support system 1 according to this embodiment.
- the worker information includes "worker ID” collected from the worker 204, "object ID” for identifying the work object, "work process”, corresponding work Includes “elapsed time,” “body temperature,” and “heart rate,” which is the time required for the process.
- step ST104 the collected production equipment information and the time stamp associated therewith are stored in the production equipment information storage unit 104.
- FIG. 5 is a diagram showing an example of production facility information and time stamps stored in the work support system 1 according to this embodiment.
- the production equipment information includes the robot's "operating state”, the robot's “moving speed” and the “parts remaining weight” collected from the picking robot 202 (robot A in FIG. 5). include.
- the production equipment information includes the robot's "operating state”, the robot's “moving speed” and the “parts remaining weight” collected from the picking robot 203 (robot B in FIG. 5).
- the production equipment information includes the “operation status” of the production equipment 205 collected from the production equipment 205 , the “status code” of the production equipment 205 , and the “line speed” of the production line 201 controlled by the production equipment 205 .
- step ST105 in FIG. 3 the profile information evaluation section 105 extracts the worker information stored in the worker information storage section 102 in step ST102, and extracts the worker information stored in the production facility information storage section 104 in step ST104. Extract production equipment information.
- the profile information evaluation unit 105 generates profile information based on the extracted worker information and production equipment information, and evaluates the profile information based on the reference profile information.
- the above worker information and production equipment information are worker information and production equipment information associated with the most recent time stamp of the same time.
- the above worker information and production facility information are worker information and production facility information associated with the closest time stamp within a set error range.
- the set error range in this case is the difference between the time interval at which worker information is collected and the time interval at which production equipment information is collected.
- profile information can be evaluated based on worker information and production equipment information collected at approximately the same time.
- the profile information evaluation result output from profile information evaluation section 105 is stored in evaluation result storage section 106 together with a time stamp.
- step ST106 profile information evaluation section 105 determines whether or not it is necessary to correct the evaluated profile information. If it is determined that the evaluated profile information needs to be corrected, that is, if it corresponds to "YES" branching from step ST106, an example of which is shown in FIG. 3, an example is shown in FIG. Go to step ST107. On the other hand, if it is determined that there is no need to modify the evaluated profile information, that is, if it corresponds to "NO" branching from step ST106 whose example is shown in FIG. is indicated at step ST110.
- Determination of whether or not the above profile information needs to be corrected can be made by, for example, determining whether the current working capacity of either the worker or the production facility indicated by the profile information is the reference profile information stored in the profile information storage unit 108. Whether the rate of occurrence of errors or defects in either workers or production equipment has fallen below a predetermined standard value compared to the ideal or standard work capacity indicated by the predetermined standard This is done based on criteria such as whether or not it is higher than the value, and whether or not it is expected that the scheduled production quantity will not be reached based on the operator's utterances or the operation history of the touch panel.
- step ST107 the simulation unit 107 performs a simulation for estimating the correction method of the evaluated profile information and the correction effect when the correction method is implemented.
- Simulation unit 107 selects all of the evaluation results of the profile information associated with the worker and the production equipment, or the profile information storage unit 108 of the evaluation results of the profile information associated with the worker and the production equipment. If the degree of change (degree of deterioration) from the working ability indicated by the reference profile information stored in the is evaluated to be greater than a predetermined reference value, the cause of the deterioration of the working ability indicated by the corresponding profile information is estimated. .
- the picking robot 203 fails to grip.
- the time during which the production equipment 205 sets the line speed to 0 m/s (that is, the time during which the production line 201 is stopped) is getting longer.
- the simulation unit 107 calculates the work ability indicated by the evaluated profile information based on the work ability indicated by the reference profile information stored in the profile information storage unit 108 .
- a search is made for which portion of the profile information should be corrected in order to bring the working ability closer to the ideal value or average value indicated by the profile information.
- the simulation unit 107 calculates a correction method necessary to increase the remaining part weight of the picking robot 203 (that is, exceeds the above lower limit) and the production cost when the correction method is implemented.
- a correction method necessary to increase the remaining part weight of the picking robot 203 for example, a method in which the worker 204 goes to the storage location to replenish the spare parts and another worker (not shown in FIG. 2) supplies the spare parts. It is assumed that there is a method of instructing to bring it from the storage location.
- the work that the worker 204 should originally perform will be delayed by the time required for the operation. Therefore, the work delay time of the worker 204 results in an increase in production costs.
- the estimated time of completion of the work when the work is continued without replenishing the spare parts for the picking robot 203 and the time of production planning are determined. Calculate the difference from the scheduled work completion time. The (delay) time corresponding to the difference results in an increase in production costs.
- the method based on the delay time of work was shown as the conversion method of production cost, but the method of converting all other losses (delays, etc.) including non-work into production cost, the number of defects or the number of errors or based on the amount of extra investment required to correct the profile information. good too.
- step ST108 the distribution content determination unit 109 determines the cause of the decrease in work capacity estimated by the simulation unit 107 and the production cost ( Effect of modification), it is determined whether or not there is profile information to be modified. Specifically, it determines which profile information is to be modified or which profile information is not to be modified. Then, if there is profile information to be modified, that is, if it corresponds to "YES" branched from step ST108 whose example is shown in FIG. 3, the process proceeds to step ST109. On the other hand, if there is no profile information to be modified, that is, if it corresponds to "NO" branching from step ST108 whose example is shown in FIG. 3, step ST109 is skipped and the process proceeds to step ST110.
- the delivery content determination unit 109 determines a modification method that minimizes the production cost when implemented.
- distribution content determination section 109 causes evaluation result storage section 106 to store whether the above correction method has been applied to the profile information evaluated by profile information evaluation section 105 and the correction method.
- the time stamp associated with the collected worker information, the time stamp associated with the collected production facility information, the estimated degree of decline in work capacity, and whether or not the above correction method has been implemented. and the information indicating the correction method are preferably stored in the evaluation result storage unit 106 in association with each other.
- step ST109 at least one of worker distribution unit 110 and production facility distribution unit 111 sends a correction instruction to worker 204, picking robot 202, picking robot 203, or production facility to correct the corresponding profile information. 205, etc.
- worker distribution unit 110 sends notification to worker 204 to execute the correction instruction.
- the production equipment distribution unit 111 sets a setting value for applying the correction instruction to the picking robot 202, the picking robot 203, or the production equipment 205. and so on.
- the worker distribution unit 110 distributes information presented to the worker 204 as the correction instruction is applied to the picking robot 202, the picking robot 203, or the production equipment 205 to the worker 204 as necessary. do.
- the operator 204 takes supplementary parts to the storage location in order to increase the remaining part weight of the picking robot 203.
- the worker distribution unit 110 distributes information for replenishing the parts for the picking robot 203 to the worker 204 .
- Information is distributed via a speaker, an operator monitor, or a portable information terminal owned by an operator.
- step ST110 the distribution content determination unit 109 determines whether or not the work process currently being executed has ended. Then, if the work process has been completed, that is, if it corresponds to "YES" branching from step ST110 whose example is shown in FIG. 3, the operation is terminated. On the other hand, if the work process has not ended, that is, if it corresponds to "NO" branching from step ST110 whose example is shown in FIG. Return to step ST101 and step ST103, examples of which are shown in FIG.
- the evaluation result of the profile information determines to which worker or production facility the correction instruction for correcting the profile information should be applied when the work capacity in the production line 201 is lowered. can be automatically determined and applied based on
- the work capacity of the production line 201 is autonomously maintained to be necessary and sufficient for achieving the production plan prepared in advance. , the production plan can be achieved at a reasonable cost.
- FIG. 6 is a diagram conceptually showing an example of the configuration of a work support system according to this embodiment.
- the work support system 2 includes a work support device 21 , an input section 12 and an output section 13 .
- the work support device 21 includes a worker information collection unit 101, a worker information storage unit 102, a production equipment information collection unit 103, a production equipment information storage unit 104, a profile information evaluation unit 105, and an evaluation result storage unit 106. , a simulation unit 107, a profile information storage unit 108, a distribution content determination unit 109, a worker distribution unit 110, a production facility distribution unit 111, a production plan collection unit 121, and a production performance collection unit 122. .
- the production plan collection unit 121 and the production performance collection unit 122 are connected to the simulation unit 107 .
- the production plan collection unit 121 collects production plans.
- the production plan collected by the production plan collection unit 121 is a work plan given to the production line 201 and performed by the workers and the production equipment in cooperation.
- the production plan collected by the production plan collection unit 121 is, for example, a production plan for the day on which it is collected.
- the production plan collected by the production plan collection unit 121 is, for example, a production plan created in a production planning system that exists outside the work support system 2 or the like.
- the production plan to be collected is a production plan created in an external production planning system
- the production plan collection unit 121 sends the production plan to the production planning system via a network.
- the production planning system can directly transmit the production plan to the production plan collection unit 121 .
- a file describing the production plan may be output to a network folder accessible to both the external production planning system and the production plan collection unit 121, and the production plan collection unit 121 may read the file.
- an external production planning system may output a production plan to the database, and the production plan collection unit 121 may read the output production plan.
- the production performance collection unit 122 collects production performance.
- the production performance collected by the production performance collection unit 122 is the production performance achieved by the production line 201 .
- the production results collected by the production result collection unit 122 are, for example, the production results collected by a production management system or the like existing outside the work support system 2 .
- the actual production record collection unit 122 may collect the actual production record directly from the production facility 205 . If the production results to be collected are the production results collected in an external production control system, when the production result collection unit 122 collects the production results, the production result collection unit 122 sends the production results to the production control system via the network. When connected, the production control system can directly transmit production results to the production result collection unit 122 .
- a file describing the production results may be output to a network folder or the like accessible by both the external production management system and the production results collection unit 122, and the production results collection unit 122 may read the file.
- an external production management system may output production results to a database, and the production results collection unit 122 may read the output production results.
- the distribution content determination unit 109 determines command content or control content corresponding to the profile information correction instruction based on the correction method estimated by the simulation unit 107 and its correction effect.
- FIG. 7 is a flowchart showing an example of processing performed by the work support system 2 according to this embodiment. The processes of steps ST103 and ST104 in FIG. 7 are executed in parallel with steps ST101 and ST102.
- the worker information collection unit 101 collects worker information from a sensor, microphone, camera, touch panel, or the like attached to or near the body of the worker 204.
- step ST102 the collected worker information and the time stamp associated therewith are stored in the worker information storage unit 102.
- step ST103 the production equipment information collection unit 103 collects production equipment information from the picking robots 202, 203 and production equipment 205.
- step ST104 the collected production equipment information and the time stamp associated therewith are stored in the production equipment information storage unit 104.
- step ST105 the profile information evaluation section 105 extracts the worker information stored in the worker information storage section 102 in step ST102, and extracts the worker information stored in the production facility information storage section 104 in step ST104. Extract production equipment information.
- the profile information evaluation unit 105 generates profile information based on the extracted worker information and production equipment information, and evaluates the profile information based on the reference profile information.
- step ST121 the production plan collection unit 121 collects production plans. Then, the actual production record collecting unit 122 collects the actual production record.
- the production plans and production results collected by the production plan collection unit 121 and production result collection unit 122 are the production plans and production results at the current time.
- the simulation unit 107 can obtain the production plans and production results collected by the production plan collection unit 121 and the production result collection unit 122 .
- step ST122 the profile information evaluation section 105 determines whether or not the evaluated profile information needs to be corrected in order to achieve the production plan. If it is determined that the evaluated profile information needs to be modified, that is, if it corresponds to "YES" branching from step ST122, an example of which is shown in FIG. 7, an example is shown in FIG. The process proceeds to step ST123. On the other hand, if it is determined that there is no need to modify the evaluated profile information, that is, if it corresponds to "NO" branching from step ST122 whose example is shown in FIG. is indicated at step ST110.
- the above profile information needs to be corrected when it is expected that the production efficiency estimated from the actual production results will not achieve the production plan due to a decrease in work capacity indicated by the evaluated profile information. be.
- step ST123 the simulation unit 107 performs a simulation for estimating a correction method for correcting the evaluated profile information and the effect of the correction method on the achievement of the production plan.
- the simulation unit 107 desirably estimates the impact on the achievement of the production plan when the above correction method is implemented, based on actual production results.
- Simulation unit 107 selects all of the evaluation results of the profile information associated with the worker and the production equipment, or the profile information storage unit 108 of the evaluation results of the profile information associated with the worker and the production equipment. estimating the cause of the deterioration of the working ability indicated by the profile information for those evaluated to be greater than a predetermined reference value in the degree of deterioration from the working ability indicated by the reference profile information stored in the method; and the production cost (i.e., the effect of the modification) when implementing the modification method.
- the production efficiency correction effect when the profile information is corrected by the above correction method is calculated.
- the production efficiency correction effect is defined as zero production cost if the estimated work completion time is the same as the scheduled work completion time scheduled in the production plan by correcting the profile information, starting from the actual production results at the time of the simulation. It is something to do.
- the production cost is set so that, when the estimated work completion time exceeds the scheduled work completion time, the calculated production cost increases according to the length of the overtime. Further, the production cost is set so that when the estimated work completion time is shortened from the scheduled work completion time, the calculated production cost increases according to the shortened length of time.
- the cause of the decrease in work capacity indicated by the profile information is estimated, and the production cost when the correction method is implemented is calculated. It should be noted that the penalty for failure to comply with the production plan can be set as a corresponding increase in production costs.
- step ST124 the distribution content determination unit 109 determines the cause of the decrease in work capacity estimated by the simulation unit 107 and the production cost when the correction method is implemented for all the profile information to be corrected. determines whether there is profile information to be modified. Specifically, it determines which profile information is to be modified or which profile information is not to be modified. Then, if there is profile information to be modified, that is, if it corresponds to "YES" branched from step ST124, the example of which is shown in FIG. 7, the process proceeds to step ST109. On the other hand, if there is no profile information to be modified, that is, if it corresponds to "NO" branching from step ST124 whose example is shown in FIG. 7, step ST109 is skipped and the process proceeds to step ST110.
- the delivery content determination unit 109 determines a modification method that minimizes the production cost when implemented.
- distribution content determination section 109 causes evaluation result storage section 106 to store whether the above correction method has been applied to the profile information evaluated by profile information evaluation section 105 and the correction method.
- the time stamp associated with the collected worker information, the time stamp associated with the collected production facility information, the estimated degree of decline in work capacity, and whether or not the above correction method has been implemented. and the information indicating the correction method are preferably stored in the evaluation result storage unit 106 in association with each other.
- step ST109 at least one of worker distribution unit 110 and production equipment distribution unit 111 issues a correction instruction for correcting the corresponding profile information to worker 204, picking robot 202, picking robot 203, or production equipment 205. To deliver.
- step ST110 the distribution content determination unit 109 determines whether or not the work process currently being executed has ended. Then, if the work process has been completed, that is, if it corresponds to "YES" branched from step ST110 whose example is shown in FIG. 7, the operation is terminated. On the other hand, if the work process has not ended, that is, if it corresponds to "NO" branching from step ST110 whose example is shown in FIG. 7, to collect information for correcting the profile information, Return to step ST101 and step ST103, examples of which are shown in FIG.
- the work capacity of the production line 201 when the work capacity of the production line 201 is reduced, it is not possible to comply with the production plan to determine to which worker or production facility correction instructions for correcting profile information should be applied. It can be automatically determined and applied based on the evaluation results of the profile information including the penalty cost of the case.
- a work support device, a work support system, and a work support method according to the present embodiment will be described.
- components similar to those described in the embodiments described above are denoted by the same reference numerals, and detailed description thereof will be omitted as appropriate. .
- FIG. 8 is a diagram conceptually showing an example of the configuration of a work support system according to this embodiment.
- the work support system 3 includes a work support device 31 , an input section 12 and an output section 13 .
- the work support device 31 includes a worker information collection unit 101, a worker information storage unit 102, a production equipment information collection unit 103, a production equipment information storage unit 104, a profile information evaluation unit 105, and an evaluation result storage unit 106. , a simulation unit 107 , a profile information storage unit 108 , a distribution content determination unit 109 , a worker distribution unit 110 , a production equipment distribution unit 111 , and a profile information learning unit 131 .
- the profile information learning unit 131 acquires a profile based on a plurality of worker information, a plurality of production facility information, a plurality of profile information based thereon, history data of evaluation results of the profile information accumulated in the evaluation result storage unit 106, and the like.
- the ideal or standard reference profile information of workers and production equipment to be stored in the information storage unit 108 is automatically machine-learned and updated.
- the profile information learning unit 131 is desirably executed periodically by a task scheduling function or the like. Also, the profile information learning unit 131 may be executed when new data is added to the evaluation result storage unit 106 or may be manually executed by the user of the work support system 3 .
- FIG. 9 is a flowchart showing an example of processing performed by the profile information learning section 131 in the work support system 3. As shown in FIG.
- step ST301 profile information learning section 131 reads reference profile information from profile information storage section .
- step ST302 the profile information learning section 131 reads the history data of the profile information to be learned and the history data of the evaluation results from the evaluation result storage section .
- step ST303 the profile information learning section 131 machine-learns the history data of the profile information read in step ST302 and the history data of the evaluation results. For example, when the profile information to be learned is represented by an arithmetic mean, the arithmetic mean of history data is calculated. Also, if the profile information to be learned is represented by the lowest value, the lowest value of the history data is calculated. Also, when the profile information to be learned is represented by an ideal value, the best value of history data is calculated.
- step ST304 profile information learning section 131 determines whether or not to update (that is, replace) the reference profile information with the learning result information, which is the reference profile information obtained as a result of the above learning. do. If it is determined that the reference profile information needs to be updated with the learning result information, that is, if it corresponds to "YES" branching from step ST304, an example of which is shown in FIG. 9, an example is shown in FIG. Go to step ST305. On the other hand, if it is determined that there is no need to update the reference profile information with the learning result information, that is, if it corresponds to "NO" branching from step ST304 whose example is shown in FIG. is indicated at step ST306.
- the profile information to be learned is expressed as an arithmetic mean
- the arithmetic mean of the historical data differs from the original value, it will be determined to be replaced.
- the profile information to be learned is represented by the lowest value, it is determined to replace the lowest value of the history data if it is lower than the original value.
- profile information to be learned is represented by ideal values, it is determined to replace the original value if the best value of history data exceeds the original value.
- step ST305 the profile information learning section 131 updates (replaces) the reference profile information with the learning result information.
- step ST306 profile information learning section 131 determines whether or not there is profile information for which learning has not yet been performed. If it is determined that there is profile information for which learning has not been performed, that is, if it corresponds to "YES" branching from step ST306 whose example is shown in FIG. return. On the other hand, if it is determined that there is no profile information for which learning has not yet been performed, that is, if it corresponds to "NO" branching from step ST306 whose example is shown in FIG. 9, the operation ends.
- the reference profile information in the profile information storage unit 108 can be automatically updated using the profile information and its evaluation results. Therefore, since it is possible to reflect the aging deterioration of the production equipment, the effect of improvement activities applied to the production line, or the change in the ability of the worker in the reference profile information, the estimation effect of the simulation unit 107 can be improved. can.
- FIG. 10 is a diagram conceptually showing an example of the configuration of a work support system according to this embodiment.
- the work support system 4 includes a work support device 41 , an input section 12 and an output section 13 .
- the work support device 41 includes a worker information collection unit 101, a worker information storage unit 102, a production equipment information collection unit 103, a production equipment information storage unit 104, a profile information evaluation unit 105, and an evaluation result storage unit 106. , a simulation unit 107 , a profile information storage unit 108 , a distribution content determination unit 109 , a worker distribution unit 110 , a production facility distribution unit 111 , and a profile correlation estimation unit 141 .
- the profile correlation estimation unit 141 automatically estimates the correlation between profile information by machine learning or the like based on multiple pieces of profile information, their evaluation results, or multiple pieces of reference profile information. Then, profile correlation estimating section 141 adds or updates information regarding the correlation between profile information to profile information storage section 108 .
- the profile correlation estimator 141 is desirably periodically executed by a task scheduling function or the like. Also, the profile correlation estimation unit 141 may be executed when new data is added to the evaluation result storage unit 106 , or may be manually executed by the user of the work support system 4 .
- FIG. 11 is a flowchart showing an example of processing performed by the profile correlation estimator 141 in the work support system 4. As shown in FIG.
- step ST401 profile correlation estimation section 141 reads a plurality of pieces of reference profile information from profile information storage section .
- step ST402 profile correlation estimating section 141 reads a plurality of pieces of profile information and their evaluation results from evaluation result storage section .
- step ST403 profile correlation estimation section 141 machine-learns the strength of correlation between profile information.
- the learning of the strength of correlation between the profile information will be described using the profile information of the production line 201 shown in FIG. 2 and the operation status of the production equipment shown in FIG. 5 as examples.
- the correlation coefficient with other profile information is calculated.
- the correlation coefficient with numerical data such as the "moving speed" of the picking robot 202 can be calculated by the following formula (1).
- the correlation coefficient with category data such as the "operating state" of the picking robot 202 can be calculated by the following formula (2).
- the method of calculating the correlation coefficient between numerical data is not limited to the above formula (1), and other calculation methods such as the error rate with the regression line may be adopted. Further, the calculation method of the correlation coefficient between the numerical data and the category data is not limited to the above equation (2), and other calculation methods such as the reciprocal of the distance between clusters in clustering may be adopted. A method of calculating the correlation coefficient may be determined such that the greater the correlation coefficient between the profile information, the stronger the correlation. Further, it is desirable that the correlation coefficient between numerical data and category data is calculated for each category data as well as for all category data. In this way, correlation coefficients can be calculated for all combinations of profile information.
- step ST404 profile correlation estimation section 141 estimates the correlation between profile information using the correlation coefficients calculated in step ST403.
- FIG. 12 is a diagram showing an example of correlation coefficients for the picking robot 202.
- profile information that is estimated to have a strong correlation with the "operational state" of the picking robot 202 includes "production facility operating state” and “production facility line speed.” and "robot A moving speed” are extracted. Thus, the correlation between profile information is estimated.
- FIG. 13 is a diagram showing an example of correlation coefficients for the "operating state" of the picking robot 202 in units of category data.
- the "operating state" of the picking robot 202 is represented by category data, so the correlation coefficient with other profile information can be calculated for each category data.
- a predetermined threshold value may be used as a criterion for determining the presence or absence of correlation, or an average value or median value of correlation coefficients may be used as the threshold value.
- step ST405 profile correlation estimating section 141 estimates a branching condition in the correlation between profile information estimated in step ST404.
- the relationship between the category name “gripping failure” of the “operating state” of the picking robot 202 and the “robot A part remaining weight”, or the category name “gripping failure” of the “operating state” of the picking robot 202 and the category name “production facility” A machine learning technique such as random forest can be used as a method of estimating branching conditions between numerical data and categorical data, such as the relationship between line speed.
- the evaluation result storage unit 106 Assume that the results of clustering the evaluation results of the profile information accumulated in the cluster are as shown in FIG.
- FIG. 14 is a diagram showing an example of clustering of evaluation results of profile information of the category name “gripping failure” in the “operating state” of the picking robot 202 .
- the branching condition for "robot A part remaining weight” is higher than the branching condition for "production equipment line speed”
- the "robot A part remaining weight” is preferentially changed. profile information.
- the target variable is numerical data
- other machine learning methods such as the k-means method may be applied in addition to the random forest.
- step ST406 profile correlation estimating section 141 adds or updates the estimated correlation data between profile information to profile information storage section .
- step ST407 profile correlation estimation section 141 determines whether or not there is profile information for which correlation estimation has not yet been performed. If it is determined that there is profile information for which correlation estimation has not been performed, that is, if it corresponds to "YES" branching from step ST407 whose example is shown in FIG. 11, an example is shown in FIG. Return to step ST402. On the other hand, if it is determined that there is no profile information for which correlation estimation has not been performed, that is, if it corresponds to "NO" branching from step ST407 whose example is shown in FIG. 11, the operation is terminated. .
- the present embodiment it is possible to automatically estimate the correlation between profile information and the branch conditions thereof using the profile information and the profile information evaluation results. Therefore, for the simulation performed by the simulation unit 107, it is possible to easily identify the cause of the deterioration of the work performance indicated by the profile information, or the conditions necessary for correcting the profile information, using the above correlation. can be derived. As a result, the accuracy of simulation in the simulation unit 107 can be improved.
- FIGS. 15 and 16 may not match the configurations illustrated in FIGS. 6, because the configuration illustrated in FIG. 8 or 10 represents a conceptual unit.
- FIGS. 1, 6, 8 or 10 consists of multiple hardware configurations illustrated in FIGS. 8 or 10 corresponds to part of the hardware configuration illustrated in FIGS. 15 and 16 are provided in one hardware configuration illustrated in FIG. 15 and FIG.
- FIG. 1 As a hardware configuration for realizing the result collection unit 122, the profile information learning unit 131, the profile correlation estimation unit 141, or the like, a processing circuit 1102A that performs calculations, a storage device 1103 that can store information, a mouse and a keyboard. , a touch panel, or various switches, which can input information, and an output device 1105A, such as a display, a liquid crystal display device, or a lamp, which can output information (shared with the input device 1104A). ) is shown.
- the configuration is the same in any of the above embodiments.
- An input device 1104B to which input can be input and an output device 1105B (including cases shared with the input device 1104B), such as a display, liquid crystal display, or lamp, to which information can be output are shown.
- the configuration is the same in any of the above embodiments.
- the worker information storage unit 102, the production facility information storage unit 104, the evaluation result storage unit 106, or the profile information storage unit 108 are implemented by the storage device 1103 or another storage device (not shown here).
- the storage device 1103 includes, for example, a hard disk drive (ie, HDD), random access memory (ie, RAM), read only memory (ie, ROM), flash memory, erasable programmable Memory, including volatile or non-volatile semiconductor memory, such as read-only memory (EPROM) and electrically erasable programmable read-only memory (EEPROM), magnetic disk, flexible disk, optical disk, compact disk, mini-disk or DVD, etc. medium), or any recording medium that will be used in the future.
- a hard disk drive ie, HDD
- RAM random access memory
- ie, ROM read only memory
- flash memory erasable programmable Memory
- volatile or non-volatile semiconductor memory such as read-only memory (EPROM) and electrically erasable programmable read-only memory (EEPROM), magnetic disk, flexible disk, optical disk, compact disk, mini-disk or DVD, etc. medium
- EPROM read-only memory
- EEPROM electrically erasable programmable read-
- the processing circuit 1102A may execute a program stored in the storage device 1103, an external CD-ROM, an external DVD-ROM, or an external flash memory. That is, it may be, for example, a central processing unit (CPU), a microprocessor, a microcomputer, a digital signal processor (DSP).
- CPU central processing unit
- DSP digital signal processor
- the processing circuit 1102A executes a program stored in the storage device 1103, an external CD-ROM, an external DVD-ROM, or an external flash memory
- the worker information collection unit 101, the production equipment information Collection unit 103, profile information evaluation unit 105, simulation unit 107, distribution content determination unit 109, worker distribution unit 110, production facility distribution unit 111, production plan collection unit 121, production performance collection unit 122, profile information learning unit 131 or Profile correlation estimator 141 is realized by software, firmware, or a combination of software and firmware in which a program stored in storage device 1103 is executed by processing circuit 1102A.
- a worker information collection unit 101 a production equipment information collection unit 103, a profile information evaluation unit 105, a simulation unit 107, a distribution content determination unit 109, a worker distribution unit 110, a production equipment distribution unit 111, a production plan collection unit 121,
- the functions of the actual production record collecting unit 122, the profile information learning unit 131, or the profile correlation estimating unit 141 may be realized by, for example, cooperation of a plurality of processing circuits.
- the software and firmware may be written as programs and stored in the storage device 1103.
- the processing circuit 1102A implements the above functions by reading and executing the program stored in the storage device 1103.
- the processing circuit 1102B may be dedicated hardware. for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or any combination thereof. It may be a circuit.
- ASIC application specific integrated circuit
- FPGA field-programmable gate array
- the worker information collection unit 101 When the processing circuit 1102B is dedicated hardware, the worker information collection unit 101, the production equipment information collection unit 103, the profile information evaluation unit 105, the simulation unit 107, the distribution content determination unit 109, the worker distribution unit 110, the production equipment Distribution unit 111, production plan collection unit 121, production result collection unit 122, profile information learning unit 131, or profile correlation estimation unit 141 are implemented by operation of processing circuit 1102B.
- a worker information collection unit 101 a production equipment information collection unit 103, a profile information evaluation unit 105, a simulation unit 107, a distribution content determination unit 109, a worker distribution unit 110, a production equipment distribution unit 111, a production plan collection unit 121,
- the functions of the production result collection unit 122, the profile information learning unit 131, and the profile correlation estimation unit 141 may be realized by separate circuits or may be realized by a single circuit.
- a worker information collection unit 101 a production equipment information collection unit 103, a profile information evaluation unit 105, a simulation unit 107, a distribution content determination unit 109, a worker distribution unit 110, a production equipment distribution unit 111, a production plan collection unit 121,
- a processing circuit 1102A that executes a program stored in the storage device 1103, It may be implemented in the processing circuit 1102B, which is hardware.
- the input unit 12 is realized by the input device 1104A or the input device 1104B.
- the output unit 13 is realized by the output device 1105A or the output device 1105B (may be shared with the input device).
- the replacement may be made across multiple embodiments. In other words, it may be the case that the respective configurations whose examples are shown in the different embodiments are combined to produce the same effect.
- the work support device includes the profile information evaluation unit 105, the correction estimation unit, and the instruction determination unit.
- the modified estimation unit corresponds to, for example, the simulation unit 107 or the like.
- the instruction determination unit corresponds to, for example, the distribution content determination unit 109 and the like.
- the profile information evaluation unit 105 evaluates the worker based on at least one piece of worker information, which is information about a worker who performs work in cooperation with the production equipment, and at least one piece of production equipment information, which is information about the production equipment. at least one piece of profile information that is information including the work capacity of the production facility and the work capacity of the production equipment.
- the profile information evaluation unit 105 evaluates the degree of change in the profile information based on the reference profile information, which is information including the reference work ability of the worker and the reference work ability of the production equipment. Based on the evaluation by the profile information evaluation section 105, the simulation section 107 estimates the profile information correction method and the correction effect resulting from the correction method. Based on the correction effect, the delivery content determination unit 109 determines a correction instruction for at least one of the worker and the production equipment for performing correction based on the corresponding correction method.
- the work support device includes an input device 1104A, an output device 1105A, a processing circuit 1102A for executing a program, and a storage device 1103 for storing the program to be executed. Prepare. The following operations are realized by the processing circuit 1102A executing the program.
- At least one piece of worker information which is information about a worker who works in cooperation with the production equipment
- at least one piece of production equipment information which is information about the production equipment
- the worker's work ability and productivity are determined.
- At least one piece of profile information is generated, which is information including the operating capability of the equipment.
- the profile information is evaluated based on the reference profile information, which is information including the standard work ability of the worker and the standard work ability of the production equipment.
- the correction method of the profile information and the correction effect resulting from the correction method are estimated.
- a correction instruction is determined for at least one of the worker and the production equipment for performing correction based on the corresponding correction method.
- the work support device includes an input device 1104B, an output device 1105B, and a processing circuit 1102B that is dedicated hardware.
- the processing circuit 1102B which is dedicated hardware, performs the following operations.
- the processing circuit 1102B which is dedicated hardware, stores at least one piece of worker information, which is information about a worker who works in cooperation with the production equipment, and at least one piece of production equipment information, which is information about the production equipment. at least one piece of profile information, which is information including the work capacity of the worker and the work capacity of the production equipment. Then, the profile information is evaluated on the basis of the reference profile information, which is the information including the standard work ability of the worker and the standard work ability of the production equipment. Then, based on the evaluation of the profile information, the profile information correction method and the correction effect resulting from the correction method are estimated. Then, based on the correction effect, a correction instruction is determined for at least one of the worker and the production equipment for performing correction based on the corresponding correction method.
- the degree of change in the work ability in the production line 201 is evaluated, and based on the evaluation It is possible to estimate a profile information correction method and its correction effect by using the method, and further to determine a correction instruction for implementing the correction method. Therefore, the work of at least one of the worker and the production equipment in the production line 201 is automatically corrected based on the change in the work capacity in the production line 201 obtained from the information of both the worker information and the production equipment information. Therefore, the production efficiency in the production line can be improved.
- the correction effect is indicated by the production cost associated with the correction based on the corresponding correction method.
- the distribution content determining unit 109 determines the content of the correction instruction for performing the correction based on the correction method that minimizes the production cost. According to such a configuration, it is possible to improve production efficiency in the production line while suppressing an increase in production cost due to correction of profile information. Moreover, by unifying the evaluation index of the correction effect into one, various correction methods can be similarly compared.
- the simulation unit 107 determines that at least one of the work capacity of the worker indicated by the profile information and the work capacity of the production facility is equal to the work capacity of the worker indicated by the reference profile information.
- a correction method is estimated so as to approach at least one of the work capacity and the work capacity of the production equipment. According to such a configuration, since the profile information is corrected so as to realize the work capacity indicated by the reference profile information, it is possible to improve the production efficiency in the production line.
- the reference profile information is either the theoretical value, the best value, the average value, the median value, the highest value, or the lowest value in the worker information and the production facility information.
- Information based on the profile information can be corrected so as to achieve the ideal work performance indicated by the reference profile information.
- the reference profile information includes information on related workers who perform work related to the work performed by the workers, and related production information which performs work related to the work performed by the production equipment. It includes at least one of information about equipment and precautions when performing work based on the profile information.
- the reference profile information includes the information on the related workers and the information on the related production equipment, thereby allowing the conditions of the other workers and the conditions of the other production equipment (that is, substantially It is possible to modify the profile information while also considering conditions that cannot be changed to
- the work support device includes the production plan collection unit 121 and the production performance collection unit 122.
- the production plan collection unit 121 collects a production plan, which is a plan for work to be performed in cooperation with workers and production equipment.
- the production performance collection unit 122 collects production performance, which is the performance of work performed based on the production plan.
- the simulation unit 107 estimates the correction method and correction effect based on the evaluation, the production plan, and the actual production results in the profile information evaluation unit 105 only when the production plan is not achieved based on the profile information. According to such a configuration, estimation of the correction method and the correction effect is limited to cases where the production plan is not achieved by the work based on the profile information. Non-urgent corrections can be suppressed.
- the work support device includes the profile information learning unit 131 .
- Profile information learning section 131 performs machine learning based on at least a plurality of pieces of profile information, and updates the reference profile information.
- Profile information evaluation section 105 then evaluates the profile information based on the reference profile information updated using machine learning.
- machine learning is performed on the improvement of the work ability of the worker based on the worker information, machine learning is performed on the aging deterioration of the production equipment based on the production equipment information, and further learning of them is performed.
- By updating the reference profile information using the results it is possible to improve the accuracy of the profile information evaluation performed by the profile information evaluation unit 105 and the simulation performed by the simulation unit 107 for correcting the profile information.
- the work support device includes the profile correlation estimator 141 .
- Profile correlation estimator 141 performs machine learning based on at least a plurality of pieces of profile information to estimate the correlation between profile information. Then, simulation section 107 estimates a correction method based on the correlation between profile information. According to such a configuration, the simulation unit 107 can efficiently identify the cause of the deterioration of the work capacity indicated by the profile information, or estimate the correction method of the profile information. Therefore, the accuracy of the simulation performed by the simulation unit 107 can be improved.
- the work support system includes the work support device, the input unit 12 for inputting information to the work support device, and the output of information from the work support device. and an output unit 13 for performing.
- correction instructions for profile information can be determined based on worker information and production equipment information. Therefore, the work of at least one of the worker and the production equipment in the production line 201 is automatically corrected based on the change in the work capacity in the production line 201 obtained from the information of both the worker information and the production equipment information. Therefore, the production efficiency in the production line can be improved.
- At least one worker information that is information about a worker who performs work in cooperation with the production equipment and at least one information that is information about the production equipment
- At least one piece of profile information is generated based on the production equipment information and the information including the work capacity of the worker and the work capacity of the production equipment.
- the profile information is evaluated on the basis of the reference profile information, which is the information including the standard work ability of the worker and the standard work ability of the production equipment.
- the profile information correction method and the correction effect resulting from the correction method are estimated.
- a correction instruction is determined for at least one of the worker and the production equipment for performing correction based on the corresponding correction method.
- the degree of change in the work ability in the production line 201 is evaluated, and based on the evaluation It is possible to estimate a profile information correction method and its correction effect by using the method, and further to determine a correction instruction for implementing the correction method. Therefore, the work of at least one of the worker and the production equipment in the production line 201 is automatically corrected based on the change in the work capacity in the production line 201 obtained from the information of both the worker information and the production equipment information. Therefore, the production efficiency in the production line can be improved.
- each component described in the embodiments described above is assumed to be software or firmware, or hardware corresponding thereto, and software is referred to as a "unit", for example, and hardware
- the software is called, for example, a "processing circuit".
- the technology disclosed in the present specification may be in the form of a system as a combination of a plurality of devices, in which each component is distributed in a plurality of devices. .
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Abstract
Description
図17は、本実施の形態に関する作業支援装置の構成(機能部)の例を概念的に示す図である。
以下、本実施の形態に関する作業支援装置、作業支援システム、および、作業支援方法について説明する。
図1は、本実施の形態に関する作業支援システムの構成の例を概念的に示す図である。図1に例が示されるように、作業支援システム1は、作業支援装置11と、入力部12と、出力部13とを備える。本実施の形態に関する作業支援システム1は、たとえば、工場の生産ラインなどに導入されるシステムである。
図3は、本実施の形態に関する作業支援システム1によって行われる処理の例を示すフローチャートである。なお、図3におけるステップST103およびステップST104の工程は、ステップST101およびステップST102と並行して実行される。
本実施の形態に関する作業支援装置、作業支援システム、および、作業支援方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図6は、本実施の形態に関する作業支援システムの構成の例を概念的に示す図である。図6に例が示されるように、作業支援システム2は、作業支援装置21と、入力部12と、出力部13とを備える。
図7は、本実施の形態に関する作業支援システム2によって行われる処理の例を示すフローチャートである。なお、図7におけるステップST103およびステップST104の工程は、ステップST101およびステップST102と並行して実行される。
本実施の形態に関する作業支援装置、作業支援システム、および、作業支援方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図8は、本実施の形態に関する作業支援システムの構成の例を概念的に示す図である。図8に例が示されるように、作業支援システム3は、作業支援装置31と、入力部12と、出力部13とを備える。
図9は、作業支援システム3におけるプロファイル情報学習部131によって行われる処理の例を示すフローチャートである。
本実施の形態に関する作業支援装置、作業支援システム、および、作業支援方法について説明する。なお、以下の説明においては、以上に記載された実施の形態で説明された構成要素と同様の構成要素については同じ符号を付して図示し、その詳細な説明については適宜省略するものとする。
図10は、本実施の形態に関する作業支援システムの構成の例を概念的に示す図である。図10に例が示されるように、作業支援システム4は、作業支援装置41と、入力部12と、出力部13とを備える。
図11は、作業支援システム4におけるプロファイル相関推定部141によって行われる処理の例を示すフローチャートである。
図15および図16は、図1、図6、図8または図10に例が示される作業支援システムを実際に運用する場合のハードウェア構成を概略的に例示する図である。
次に、以上に記載された実施の形態によって生じる効果の例を示す。なお、以下の説明においては、以上に記載された実施の形態に例が示された具体的な構成に基づいて当該効果が記載されるが、同様の効果が生じる範囲で、本願明細書に例が示される他の具体的な構成と置き換えられてもよい。すなわち、以下では便宜上、対応づけられる具体的な構成のうちのいずれか1つのみが代表して記載される場合があるが、代表して記載された具体的な構成が対応づけられる他の具体的な構成に置き換えられてもよい。
以上に記載された実施の形態では、それぞれの構成要素の寸法、形状、相対的配置関係または実施の条件などについても記載する場合があるが、これらはすべての局面においてひとつの例であって、限定的なものではないものとする。
Claims (13)
- 生産設備と協働して作業を行う作業者に関する情報である少なくとも1つの作業者情報と、前記生産設備に関する情報である少なくとも1つの生産設備情報とに基づいて、前記作業者の作業能力と前記生産設備の作業能力とを含む情報である少なくとも1つのプロファイル情報を生成し、さらに、前記作業者の基準となる作業能力と前記生産設備の基準となる作業能力とを含む情報である基準プロファイル情報を基準として、前記プロファイル情報の変化度合いを評価するためのプロファイル情報評価部と、
前記プロファイル情報評価部における評価に基づいて、前記プロファイル情報の修正方法と前記修正方法に起因する修正効果とを推定するための修正推定部と、
前記修正効果に基づいて、対応する前記修正方法に基づく修正を行うための、前記作業者と前記生産設備とのうちの少なくとも一方に対する修正指示を決定するための指示決定部とを備える、
作業支援装置。 - 請求項1に記載の作業支援装置であり、
前記修正効果は、対応する前記修正方法に基づく修正に伴う生産コストで示され、
前記指示決定部は、前記生産コストが最も小さくなる前記修正方法に基づく修正を行うための、前記修正指示の内容を決定する、
作業支援装置。 - 請求項1または2に記載の作業支援装置であり、
前記修正推定部は、前記プロファイル情報が示す前記作業者の前記作業能力と前記生産設備の前記作業能力とのうちの少なくとも一方が、前記基準プロファイル情報が示す前記作業者の前記作業能力と前記生産設備の前記作業能力とのうちの少なくとも一方に近づくように、前記修正方法を推定する、
作業支援装置。 - 請求項1から3のうちのいずれか1つに記載の作業支援装置であり、
前記基準プロファイル情報は、前記作業者情報と前記生産設備情報とにおける理論値、最良値、平均値、中央値、最高値または最低値のうちのいずれかに基づく情報である、
作業支援装置。 - 請求項1から4のうちのいずれか1つに記載の作業支援装置であり、
前記基準プロファイル情報は、前記作業者が行う作業に関連する作業を行う関連作業者に関する情報と、前記生産設備が行う作業に関連する作業を行う関連生産設備に関する情報と、前記プロファイル情報に基づいて作業を行う場合の注意事項とのうちの少なくとも1つを含む、
作業支援装置。 - 請求項1から5のうちのいずれか1つに記載の作業支援装置であり、
前記作業者と前記生産設備とが協働して行う作業の計画である生産計画を収集する生産計画収集部と、
前記生産計画に基づいて行われた作業の実績である生産実績を収集する生産実績収集部とをさらに備え、
前記修正推定部は、前記プロファイル情報評価部における前記評価と前記生産計画と前記生産実績とに基づいて、前記プロファイル情報に基づいて前記生産計画が達成されない場合にのみ、前記修正方法と前記修正効果とを推定する、
作業支援装置。 - 請求項1から6のうちのいずれか1つに記載の作業支援装置であり、
少なくとも複数の前記プロファイル情報に基づいて機械学習を行い、前記基準プロファイル情報を更新するプロファイル情報学習部をさらに備え、
前記プロファイル情報評価部は、機械学習を用いて更新された前記基準プロファイル情報を基準として、前記プロファイル情報を評価する、
作業支援装置。 - 請求項1から7のうちのいずれか1つに記載の作業支援装置であり、
少なくとも複数の前記プロファイル情報に基づいて機械学習を行い、前記プロファイル情報同士の相関関係を推定するためのプロファイル相関推定部をさらに備え、
前記修正推定部は、前記プロファイル情報同士の相関関係に基づいて前記修正方法を推定する、
作業支援装置。 - 請求項1から8のうちのいずれか1つに記載の作業支援装置と、
前記作業支援装置への情報の入力を行う入力部と、
前記作業支援装置からの情報の出力を行う出力部とを備える、
作業支援システム。 - 生産設備と協働して作業を行う作業者に関する情報である少なくとも1つの作業者情報と、前記生産設備に関する情報である少なくとも1つの生産設備情報とに基づいて、前記作業者の作業能力と前記生産設備の作業能力とを含む情報である少なくとも1つのプロファイル情報を生成し、
前記作業者の基準となる作業能力と前記生産設備の基準となる作業能力とを含む情報である基準プロファイル情報を基準として、前記プロファイル情報を評価し、
前記プロファイル情報に対する評価に基づいて、前記プロファイル情報の修正方法と前記修正方法に起因する修正効果とを推定し、
前記修正効果に基づいて、対応する前記修正方法に基づく修正を行うための、前記作業者と前記生産設備とのうちの少なくとも一方に対する修正指示を決定する、
作業支援方法。 - 請求項10に記載の作業支援方法であり、
前記修正効果は、対応する前記修正方法に基づく修正に伴う生産コストの変化で示され、
前記修正指示を決定することは、変化後の前記生産コストが最も小さくなる前記修正方法に基づく修正を行うための、前記修正指示の内容を決定することである、
作業支援方法。 - 請求項10または11に記載の作業支援方法であり、
前記修正方法を推定することは、前記プロファイル情報が示す前記作業者の前記作業能力と前記生産設備の前記作業能力とのうちの少なくとも一方が、前記基準プロファイル情報が示す前記作業者の前記作業能力と前記生産設備の前記作業能力とのうちの少なくとも一方に近づくように、前記修正方法を推定することである、
作業支援方法。 - 請求項10から12のうちのいずれか1つに記載の作業支援方法であり、
前記作業者と前記生産設備とが協働して行う作業の計画である生産計画と、前記生産計画に基づいて行われた作業の実績である生産実績とを収集し、
前記修正方法と前記修正効果とを推定することは、前記プロファイル情報に対する評価と前記生産計画と前記生産実績とに基づいて、前記プロファイル情報に基づいて前記生産計画が達成されない場合にのみ、前記修正方法と前記修正効果とを推定することである、
作業支援方法。
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| US18/283,215 US20240177086A1 (en) | 2021-03-30 | 2021-03-30 | Work assistance apparatus, work assistance system, and work assistance method |
| DE112021007422.9T DE112021007422T5 (de) | 2021-03-30 | 2021-03-30 | Arbeits-assistenzvorrichtung, arbeits-assistenzsystem und arbeits-assistenzverfahren |
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| US6453219B1 (en) * | 1999-09-23 | 2002-09-17 | Kic Thermal Profiling | Method and apparatus for controlling temperature response of a part in a conveyorized thermal processor |
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| US11282405B2 (en) * | 2018-10-04 | 2022-03-22 | Ttec Holdings, Inc. | Intelligent systems based training of customer service agents |
| JP6697057B1 (ja) * | 2018-12-03 | 2020-05-20 | 日東電工株式会社 | 作業者選定システム、作業者選定方法及び作業者選定コンピュータ・プログラム |
| JP7338964B2 (ja) * | 2018-12-05 | 2023-09-05 | Juki株式会社 | 監視システム |
| JP7261760B2 (ja) * | 2020-03-06 | 2023-04-20 | 日立Geニュークリア・エナジー株式会社 | 作業統合管理システム |
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| JP2000198050A (ja) * | 1999-01-08 | 2000-07-18 | Ricoh Co Ltd | バッファ制御装置および加工システム |
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| KR101022230B1 (ko) * | 2010-10-18 | 2011-03-16 | (주) 디지털팩토리 | 디지털 팩토리에서의 최적 생산 시나리오 구축방법 |
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