WO2020246032A1 - デジタルツイン演算装置、デジタルツイン演算方法、プログラム及びデータ構造 - Google Patents
デジタルツイン演算装置、デジタルツイン演算方法、プログラム及びデータ構造 Download PDFInfo
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Definitions
- the present invention relates to a digital twin arithmetic unit, a digital twin arithmetic method, a program, and a data structure.
- Digital Twin A technology called Digital Twin has been known for some time.
- Digital twins are used mainly in the manufacturing field, and are digital information that reproduces real objects (for example, machine parts) in a digital space.
- a digital twin By using a digital twin, it is possible to grasp an event or the like occurring in a real object in real time, and therefore, it is utilized for improving the quality of products, for example.
- Patent Document 1 describes a technique for determining the behavior of a moving object.
- the conventional digital twin is digital information that reproduces a real thing in the digital space, and it was not intended to reproduce a real creature (including a person) in the digital space.
- the conventional digital twin is a reproduction of an object that actually exists.
- the digital twins are fused with each other, or some of the components are exchanged between the digital twins. was not considered to extend the digital twin of non-existent objects and creatures.
- the digital twin arithmetic unit is input to one or more models in which one or more functions possessed by an individual at an arbitrary time are defined, and to the model.
- a first calculation means for creating one or more second digital twins and a predetermined time axis are set.
- the second digital twin is arranged in the sand box, and has an execution means for executing an operation for realizing the function of the individual represented by the second digital twin in the sand box according to the time axis. It is a feature.
- the target range of digital twins can be expanded.
- the digital twin created by the digital twin operation will be referred to as “virtual digital twin” or “virtual DT”.
- the digital twin that is the calculation target of the digital twin operation is simply referred to as “digital twin” or "DT”.
- the digital twin to be calculated by the digital twin operation is assumed to be a digital twin of an object or a living thing that actually exists, but is not necessarily limited to this, and a digital twin of an object or an organism that does not actually exist (for example, A fictitious product digital twin, a fictitious person's digital twin, a deceased's digital twin, etc.) may be included.
- the object may include not only tangible objects (for example, machines, vehicles, buildings, structures, materials, natural objects, etc.) but also intangible objects (for example, electricity, light, heat, etc.).
- the organism may include viruses and the like as well as animals (including humans), fungi, plants, archaea and bacteria.
- objects and organisms are collectively referred to as "individuals”.
- the digital twin arithmetic unit 10 arranges a virtual DT in a virtual space-time called a sandbox, and performs an execution operation of this sandbox (that is, advances or returns time). It is possible to realize various simulations and services by performing the calculation).
- -Digital twin or DT Digital information that reproduces an individual (object or organism), and is realized by one or more models and one or more data including data that can be input to these models.
- An ID digital twin ID
- the digital twin is associated with information indicating whether it represents an object or a living thing as an attribute.
- DT model the model that realizes the digital twin
- DT data the data including the data that can be input to the DT model
- -DT model Digital information that defines specific functions of the digital twin at any time (in other words, changes in the behavior and state of the digital twin).
- the DT model takes DT data corresponding to the DT model as an input and outputs the result of processing for realizing a specific function.
- the DT model is given an ID (model ID) that identifies the DT model in the digital twin (therefore, the DT model is uniquely identified by the pair of the digital twin ID and the model ID).
- ID model ID
- these DT models for example, a predefined function, a rule-based model, an estimation model created by a method such as machine learning, or the like can be used.
- ⁇ DT data Data for realizing a specific function of the digital twin at an arbitrary time. These DT data are collected, for example, by sensing an individual with a sensor or the like.
- the DT data is associated with the model ID of the DT model that inputs the DT data.
- the DT data may be associated with a plurality of model IDs (that is, a certain DT data may be an input of a plurality of DT models). Further, the DT data may include data that is not input to the DT model (for example, a digital twin ID or the like).
- -Virtual digital twin or virtual DT Digital information created by performing digital twin operations on the digital twin, and is placed in the sandbox. Similar to the digital twin, the virtual digital twin is realized by one or more DT models and one or more DT data including data that can be input to these DT models in the configuration. Further, the virtual digital twin is associated with the sandbox in which the virtual DT is arranged, and an ID (virtual digital twin ID) for identifying the virtual DT is assigned in the sandbox.
- ID virtual digital twin ID
- Digital twin calculation This is a calculation for creating a virtual digital twin from a digital twin.
- the digital twin operation can be roughly divided into three types: "setting operation”, “replication operation”, and “fusion operation”.
- setting operation For example, in the duplication operation, one or more virtual digital twins are created by copying the digital twins as they are. Further, there may be an operation of creating a virtual digital twin from a virtual digital twin. Details of these operations will be described later.
- Sandbox A virtual space-time where a virtual DT is placed.
- the virtual DT placed in this sandbox is executed (that is, DT data is input to the DT model of the virtual DT according to the change of time, and this DT is executed. Specific functionality is achieved by the model.)
- An ID (sandbox ID) for identifying this sandbox is assigned to the sandbox.
- Sandbox execution operation An operation for executing a sandbox.
- the time in the sandbox changes, and the virtual DT is executed according to this change.
- FIG. 1 is a diagram showing an example of the overall configuration of the digital twin arithmetic unit 10 according to the embodiment of the present invention.
- the digital twin arithmetic unit 10 has an interaction unit 101, a digital twin management unit 102, an arithmetic unit 103, and a storage unit 104.
- the interaction unit 101 collects data from the device 20 and outputs data indicating the sandbox execution result (or the result of various processes during the sandbox execution) to the device 20 as feedback information. At this time, the interaction unit 101 converts the data collected from the device 20 into a predetermined data format, or converts the data into a data format corresponding to the device 20 before outputting the data to the device 20. The conversion process may be performed. That is, the interaction unit 101 converts the data collected from the device 20 into a data format that can be input by the DT model of the digital twin, or the data format that the device 20 can input before outputting the data to the device 20. It may be converted to.
- the device 20 for which the interaction unit 101 collects data is various devices that acquire various information from objects, living things, the environment, etc. in the real world.
- various sensors that sense individuals and the environment, smartphones used by humans, digital cameras that capture the environment around objects and living things, wearable devices worn by living things such as humans, and objects in vehicles.
- Examples thereof include an in-vehicle device in a certain case, a control device for controlling another device (including a BMI (Brain-Machine Interface) that controls another device using brain waves of a human being, etc.) and the like.
- BMI Brain-Machine Interface
- Information acquired from these devices 20 includes, for example, involuntary human physical information (characteristics including physical appearance / shape such as height and weight, heart rate, blood pressure, brain wave, body temperature, sweating amount, etc.).
- (State) psychological information (emotion, thinking, psychological state, etc.), exercise information (voluntary movements and movements such as gestures, gestures, walking speed, behavior, behavior, etc.), individual information (age, gender, nationality, occupation, etc.)
- Social attributes such as, relationships with other people such as family relationships and colleague relationships, memories, etc.), environmental information on the surrounding environment of people (temperature and humidity of the surrounding environment, weather, weather, etc.).
- the information acquired from an object differs depending on the type of the object and the like.
- the device 20 to which the data is output by the interaction unit 101 is various devices that control an individual or environment in the real world and provide some information to the individual.
- control devices that control various machines (vehicles, manufacturing devices, robots, etc.), displays that provide images to people, speakers that provide audio to people, etc.
- These include VR devices that provide a VR (Virtual Reality) environment, control devices that control other devices (including BMI, etc.), and the like.
- the data output to these devices 20 is data indicating the execution result of the sandbox (or the result of various processes during the execution of the sandbox), and is, for example, control based on the simulation result in the sandbox.
- Information, prediction information based on the simulation result in the sandbox, voice information spoken by the virtual DT in the sandbox, and the like can be mentioned.
- the data collected by the interaction unit 101 (or the data obtained by converting the data format of this data) is stored in the storage unit 104 as DT data.
- the interaction unit 101 stores the DT data in the storage unit 104 in association with the digital twin ID of the digital twin that is the storage destination of the DT data.
- an identifier may be added to the DT data, and the pair may be stored in the storage unit 104 in association with the pair of the digital twin ID of the digital twin and the DT data ID of the DT data.
- the DT data ID is an ID that identifies the DT data.
- the data indicating the execution result of the sandbox (or the result of various processes during the execution of the sandbox) is stored in the storage unit 104 by the calculation unit 103 described later. Therefore, the interaction unit 101 reads data indicating the execution result of the sandbox (or the result of various processes during the execution of the sandbox) from the storage unit 104 and outputs the data to the corresponding device 20 (for example, via a communication network). Send).
- the digital twin management unit 102 manages the digital twin stored in the storage unit 104.
- the storage unit 104 stores digital twins of various individuals.
- the digital twin is realized by one or more DT models and one or more DT data.
- a person's digital twin includes a personality model in which the person's personality is defined, a thought / behavior model in which the person's thoughts and actions are defined, and an ability model in which the person's ability is defined. It is realized by DT data for each DT model.
- a person's digital twin has a DT model in which the person's personality, thoughts, behaviors, abilities, etc. are defined, and DT data (for example, physical information, psychological information, exercise information, etc.) input to these DT models. It is realized by individual information, environmental information, etc.).
- various DT models may be included in the human digital twin.
- the above personality model, thinking / behavior model, and ability model may be realized by a DT model of a lower concept.
- the personality model may be realized by a personality model in which a person's personality is defined and a value model in which a person's values are defined.
- the thinking / behavior model may be realized by an emotion model in which a person's emotions are defined and a behavioral tendency model in which a person's behavioral tendency is defined.
- the ability model may be defined by a knowledge model in which human knowledge is defined, a language model in which human linguistic ability is defined, and a perception model in which human perception is defined. ..
- these DT models may be realized by the DT model of a further subordinate concept. That is, the DT model that realizes the digital twin may have a hierarchical structure.
- one person's digital twin is realized by a personality model, a thought / behavior model, and an ability model, while another person's digital twin is realized by a personality model and a thought / behavior model. May be good.
- the digital twin includes the time as a parameter. Therefore, one digital twin can realize the function at an arbitrary time with the time as a parameter.
- the data collected by the interaction unit 101 (or the data obtained by converting the data format of this data) is stored in the storage unit 104 as DT data.
- the digital twin stored in the storage unit 104 is updated as the state of the actual individual corresponding to the digital twin changes.
- the heart rate measured by a real person is stored as DT data in the storage unit 104 in association with the digital twin ID of the person's digital twin.
- the digital twin is updated to a digital twin that reflects the heart rate of a real person.
- the storage unit 104 also stores various information about the digital twin for each digital twin. For example, information that identifies an actual individual corresponding to a digital twin (for example, user ID, object ID, etc.), relationship with another digital twin (for example, a finished product between the digital twin and another digital twin).
- the data format of the DT data input by the DT model that realizes the digital twin and the output by the DT model are related to the parts, the relationship between the digital twin and the other digital twin is a host and a parasite, etc.) Examples include the data format of the data. This information can be defined in any format, for example, an ontology can be used.
- the arithmetic unit 103 creates virtual DTs by performing digital twin arithmetic in response to a request from the service providing system 30, or arranges these virtual DTs in the sandbox to perform sandbox execution operations. ..
- the service providing system 30 is a server or a group of servers that provides a service using data indicating the execution result of the sandbox, data indicating the results of various processes during the execution of the sandbox, and the like.
- various simulations can be performed by placing a virtual DT in the sandbox and executing the sandbox.
- a traffic simulation can be performed by creating a virtual DT of a car, a person, a road, or the like and arranging it in a sandbox.
- an urban space simulation can be performed by creating a virtual DT of a building or a person and arranging it in a sandbox.
- a group decision-making simulation can be performed by creating a virtual DT of people and arranging them in a sandbox so that the people can make a desired decision. Note that these are just examples, and various simulations can be performed by arranging the virtual DT in the sandbox and executing the sandbox.
- the digital twin is stored in the storage unit 104. Further, a time is associated with the digital twin, and at least the digital twin at the time indicating the present is stored in the storage unit 104. However, in addition to the time indicating the present, the digital twin of the time indicating the past may be stored in the storage unit 104. That is, the storage unit 104 may store, for example, the history of the digital twin from the creation of the digital twin to the present. At this time, the DT model and the DT data of the digital twin may be different or the same depending on the time. For example, in a person's past digital twin and present digital twin, the ability model and the DT data input by this ability model may be different.
- the storage unit 104 also stores data indicating the execution result of the sandbox and data indicating the results of various processes during the execution of the sandbox. In addition to these, various data necessary for executing the sandbox and the like are stored in the storage unit 104.
- the history of the digital twin is stored in the storage unit 104, but when the attribute of the digital twin is "thing", it may not be necessary to associate it with the time.
- the digital twin is invariant even if the time changes or can be regarded as invariant (for example, a digital twin of a building, a mountain, or a planet), it is not necessary to associate the digital twin with the time.
- the configuration of the digital twin arithmetic unit 10 shown in FIG. 1 is an example, and may be another configuration.
- the digital twin arithmetic unit 10 is composed of a first apparatus having an interaction unit 101, a second apparatus having a digital twin management unit 102 and a storage unit 104, and a third apparatus having an arithmetic unit 103. You may be.
- the digital twin operation is an operation for creating a virtual DT from the digital twin.
- the digital twin operation can be roughly divided into three types: "setting operation”, “replication operation”, and “fusion operation”.
- “Setting operation” is an operation to create a virtual DT with a digital twin DT model or DT data set at an arbitrary time (or a virtual DT that has already created a digital twin DT model or DT data at an arbitrary time. Calculation to set).
- the “duplication operation” is an operation of copying a digital twin DT model and DT data at an arbitrary time to create a virtual DT.
- the “fusion operation” is an operation for creating a virtual DT that combines a DT model of a digital twin at an arbitrary time and DT data.
- setting calculation can be divided into “setting”, “exchange”, and “anonymization”.
- Setting is the most basic operation of “setting operation”, and is an operation to set a digital twin DT model or DT data at an arbitrary time as it is in a virtual DT (or a digital twin DT at an arbitrary time). It is an operation to set the model and DT data as they are in the already created virtual DT).
- Exchange is an operation of creating a virtual DT in which a DT model or DT data is exchanged between a plurality of digital twins.
- Anonymization is a special case of "setting”, and is an operation of anonymizing DT data related to individual information among DT data copied to virtual data according to a given anonymization condition.
- DT data related to individual identifiable information or individual information may be processed or deleted, or virtual DT may be added to DT data related to individual identifiable information or individual information. It may be inaccessible. Furthermore, based on indexes such as usefulness and anonymity required for virtual DT and simulation performed using virtual DT, processing such as addition of noise to DT data, replacement of DT data, or these processes are performed. It may be realized by performing the combined processing.
- the virtual DT may be created by copying the DT model or DT data of the digital twin, or the DT of the digital twin to be calculated may be created with respect to the virtual DT. Access rights to the model and DT data may be granted.
- FIG. 3A is a diagram for explaining an example of digital twin operation (exchange).
- the digital twins to be calculated are referred to as "digital twin A” and "digital twin B". It is assumed that the digital twin A is realized by the DT model A 1 , the DT model A 2 , the DT data a 11 , the DT data a 12 , the DT data a 21, and the DT data a 22 . Further, it is assumed that the digital twin B is realized by the DT model B 1 , the DT model B 2 , the DT data b 11 , the DT data b 12 , the DT data b 21, and the DT data b 22 .
- a virtual DT is created by exchanging the DT model and the DT data between the digital twin A and the digital twin B. ..
- a virtual digital twin A and a DT model B realized by DT model A 1 , DT model B 2 , DT data a 11 , DT data a 12 , DT data b 21 , and DT data b 22.
- DT model A 2 , DT data b 11 , DT data b 12 , DT data a 21, and a virtual digital twin B realized by DT data a 22 are created.
- the DT model and DT data that realize the virtual DT are specified as the calculation conditions for the "exchange" operation. That is, which DT model and DT data are exchanged between the digital twin A and the digital twin B to create the virtual DT is specified as a calculation condition of the "exchange" operation. Further, in the example shown in FIG. 3A, the case where the virtual DT is realized by the DT model and the DT data is shown, but as described above, the virtual DT is given the access right to the DT model and the DT data. May be good.
- FIG. 3B is a diagram for explaining an example of digital twin operation (replication).
- the digital twin to be calculated is defined as "digital twin A", and the digital twin A includes DT model A 1 , DT model A 2 , DT data a 11 , and DT data a 12 . It shall be realized by the DT data a 21 and the DT data a 22 .
- one or more virtual DTs in which the DT model of the digital twin A and the DT data are copied as they are are created.
- the example shown in FIG. 3B shows the case where three virtual DTs are created.
- the number of virtual DTs to be created is specified as a calculation condition of "replication operation". Further, in the example shown in FIG. 3B, the case where the virtual DT is realized by the DT model and the DT data is shown, but as described above, the virtual DT is given the access right to the DT model and the DT data. May be good.
- FIG. 3C is a diagram for explaining an example of digital twin operation (fusion).
- the digital twins to be calculated are referred to as "digital twin A” and "digital twin B". It is assumed that the digital twin A is realized by the DT model A 1 , the DT model A 2 , the DT data a 11 , the DT data a 12 , the DT data a 21, and the DT data a 22 . Further, it is assumed that the digital twin B is realized by the DT model B 1 , the DT model B 2 , the DT data b 11 , the DT data b 12 , the DT data b 21, and the DT data b 22 .
- a virtual DT is created by fusing the DT model and DT data of the digital twin A and the DT model and DT data of the digital twin B. That is, for example, DT model A 1 , DT model A 2 , DT model B 1 , DT model B 2 , DT data a 11 , DT data a 12 , DT data a 21 , and DT data a 22. , DT data b 11 , DT data b 12 , DT data b 21, and a virtual digital twin C realized by DT data b 22 are created.
- the case where two digital twins are fused has been described, but the number of digital twins to be calculated can be arbitrarily specified as the calculation condition of the "fusion calculation". .. Further, as the calculation condition of the "fusion calculation", the DT model and the DT data of the digital twin to be fused with the virtual DT may be individually specified. Further, in the example shown in FIG. 3C, the case where the virtual DT is realized by the DT model and the DT data is shown, but as described above, the virtual DT is given the access right to the DT model and the DT data. May be good.
- a new DT model and new DT data using the original digital twin DT model and DT data are created.
- it may be a DT model of a virtual DT or DT data.
- a new DT model C1 can be created from the DT data of the digital twin A and the DT data of the digital twin B.
- DT model C1 and DT model C2 are created by using the data, and DT data c 11 selected from DT data a 11 and DT data b 11 and selected from DT data a 22 and DT data b 22.
- DT data such as the DT data c 22 may be created, and a virtual digital twin C realized by these DT models and DT data may be created.
- the digital twin operation is an operation for creating a virtual DT from the digital twin, but a second digital twin operation for creating a virtual DT from the virtual DT may be further defined. That is, the second "setting operation” is an operation for creating another virtual DT in which the DT model or DT data of the virtual DT at an arbitrary time is set (or the DT model or DT data of the virtual DT at an arbitrary time has already been created.
- the operation set in the created virtual DT), the second “duplication operation” is the operation of copying the DT model and DT data of the virtual DT at an arbitrary time to create another virtual DT, and the second "fusion operation".
- the “calculation” may be an calculation for creating another virtual DT by combining a DT model of a virtual DT at an arbitrary time and DT data.
- the second "setting”, the second "exchange”, and the second “anonymization” digital twin calculation are performed based on the virtual DT instead of the digital twin.
- a "delete” operation may be defined as an operation for deleting the virtual DT.
- FIG. 4 is a flowchart showing an example of sandbox execution processing.
- Step S101 First, the calculation unit 103 receives the sandbox execution request from the service providing system 30.
- Various conditions related to sandbox execution are specified in the sandbox execution request. These conditions are, for example, conditions indicating what kind of virtual DT is arranged in the sandbox and from what time to what time the execution operation is performed.
- a template determined in advance as a sandbox is prepared, and an ID or the like indicating this template may be specified in the above execution request.
- the template is, for example, a sandbox template representing modern Japan, a sandbox template representing Japan at a certain point in the past (for example, 1900), or Japan at a certain point in the future (for example, 2300).
- Examples include a predicted sandbox template and a sandbox template with a fictitious time and space set.
- the virtual DT can be placed in the sandbox prepared as a template to execute this sandbox, so that the information specified in the sandbox execution request can be simplified.
- Step S102 Next, the calculation unit 103 generates virtual DTs from the digital twins by digital twin calculation based on the conditions specified in the sandbox execution request, and then arranges these virtual DTs in the sandbox. And set the sandbox environment.
- the sandbox environment include a start time and an end time when the sandbox is executed, a speed of time (for example, a speed of time and a direction of travel) and the like.
- the speed of time is the speed at which time advances in the sandbox, and can be made faster or slower than in the real world.
- various sandbox environments may be set according to the purpose to be simulated in this sandbox. For example, iterative execution may occur for a certain period of time until a certain condition is satisfied, or the passage of time in the sandbox may be stopped until DT data satisfying a certain condition is collected from the device 20. Can be mentioned.
- a virtual DT realized by a part of the DT model of the digital twin and DT data (that is, a simple virtual DT using only some functions of the digital twin) is used. You may create it. In this way, for example, a virtual DT having only functions necessary for simulation may be created. This makes it possible to reduce the amount of calculation, data capacity, etc. required to execute the sandbox.
- the DT model has a hierarchical structure and a DT model of a subordinate concept or a DT model of a superordinate concept of the DT model that realizes the functions required for simulation is required, the DT model or the superordinate of these subconcepts is required.
- a tentative DT model (eg, a DT model that functions as a stub or mock) may be defined as the conceptual DT model.
- Step S103 Next, the calculation unit 103 executes the sandbox. That is, the calculation unit 103 performs a sandbox execution operation to change the sandbox time and change the behavior, state, and the like of the virtual DT according to the change in the time.
- the behavior, state, etc. of the virtual DT are represented as the output of this DT model by inputting DT data to the DT model of this virtual DT.
- DT data collected in real time from the device 20 by the interaction unit 101 may be used.
- DT data collected from the device 20 in the past may be used, or arbitrarily created DT data, for example, various conditions and settings for the virtual DT specified at the time of the sandbox execution request from the service providing system 30.
- DT data or the like representing fictitious information obtained by calculation may be used.
- data collected in real time as some DT data may be used, and DT data previously collected from the device 20 may be used as some other DT data.
- time axis and DT data are used for the typical execution purpose of the following sandbox.
- the future time axis is set in the sandbox, and the sandbox execution calculation is performed from a certain time in the future to an arbitrary time. At this time, DT data representing future fictitious information is input to each virtual DT arranged in the sandbox.
- the past time axis is set in the sandbox, and the sandbox execution operation is performed from a certain time in the past to an arbitrary time. At this time, the data collected in the past from the device 20 is input as DT data to each virtual DT arranged in the sandbox.
- the time axis including the current time is set in the sandbox, and the execution operation of the sandbox is performed from a certain time in the past or the present to an arbitrary time. At this time, data collected in the past from the device 20 and data collected in real time are input as DT data to each virtual DT arranged in the sandbox.
- Step S104 Next, the calculation unit 103 stores data indicating the execution result of the sandbox in the storage unit 104. That is, the calculation unit 103 stores the data indicating the result after the execution of the sandbox in the storage unit 104 in association with the sandbox ID of the sandbox.
- the calculation unit 103 also stores the data indicating the result of each process during the execution of the sandbox in the storage unit 104 in association with the sandbox ID.
- the data showing the result of each process during the execution of the sandbox is, for example, data showing the behavior and state of the virtual DT at each time in the sandbox.
- Data indicating the behavior, state, etc. of these virtual DTs are stored in the storage unit 104 in association with the virtual digital twin ID together with the sandbox ID.
- the data indicating the result of each process during execution of the sandbox is further associated with the time when the process is performed (time in the sandbox).
- the storage unit 104 stores data indicating each processing result at each time in the sandbox and the final execution result in the sandbox. In other words, the storage unit 104 stores snapshots at each time from the start time to the end time of the sandbox.
- Step S105 Finally, the interaction unit 101 feeds back the data stored in the storage unit 104 (data indicating the execution result of the sandbox, data indicating the result of each process during execution of the sandbox, or both). It is transmitted to the corresponding device 20 as information.
- the corresponding device 20 is, for example, a device 20 to which the service provided by the service providing system 30 that transmitted the sandbox execution request in step S101 is provided.
- the interaction unit 101 may arbitrate the feedback information based on the policy information stored in the storage unit 104.
- the policy information is control information for preventing the device 20 that has received the feedback information from being adversely affected or the user of the device 20 from being adversely affected.
- the case where the device 20 is adversely affected includes, for example, the case where the device 20 fails due to exceeding the allowable limit of the device 20, and the case where the user of the device 20 is adversely affected, for example. There are cases where the health of the user of the device 20 is damaged.
- the interaction unit 101 may, for example, change, format, or limit the feedback information according to the policy information, and do not transmit the feedback information to the device 20.
- the device 20 may be warned before the feedback information is transmitted.
- changing, shaping, limiting, etc. the feedback information according to the policy means, for example, multiplying the value included in the feedback information by an appropriate weight (for example, a weight of 0 or more and 1 or less), or is included in the feedback information. Examples include limiting the value to an upper limit value or a lower limit value, and performing exclusive control between the values included in the feedback information.
- step S105 the feedback information is transmitted to the corresponding device 20, but the interaction unit 101 may transmit the feedback information to the service providing system 30.
- the interaction unit 101 may transmit feedback information to the service providing system 30 of the transmission source that transmitted the sandbox execution request in the above step S101, or provide another service different from this service providing system. Feedback information may be sent to the system 30.
- the feedback information is transmitted to the other service providing system 30, for example, the first service provided by the service providing system 30 and the second service provided by the other service providing system 30 cooperate with each other to form a series. For example, when providing the service of.
- the digital twin arithmetic unit 10 creates a virtual DT by performing a digital twin arithmetic on the digital twin of an individual (person or thing), and sands using this virtual DT. It is possible to perform various simulations in the box.
- the virtual DT may be a copy of the digital twin as it is, or may be a fusion of a plurality of digital twins or exchange of some components.
- the past digital twin can be copied, fused, and exchanged to create a virtual DT.
- the data collected in real time can be used, the data collected in the past can be used, or the data representing fictitious information can be used.
- the digital twin arithmetic unit 10 can perform various simulations in the sandbox in which the virtual DT is arranged, and supports new value creation and problem solving of various problems. It becomes possible to do.
- a template creation function may be provided in which an ID indicating a template is assigned to a virtual DT that searches by the query used and specifies all or a part of the search results that are appropriately selected as a template.
- a query to specify the template of the sandbox specify not only the roads and buildings in the space but also the relationship with the buildings in the space, and the relationship with the space from the position information / action history, and as the search result
- the digital twin of the obtained organism or object may be set as a virtual DT.
- a virtual DT may be set from a part of the hierarchy of the DT model of the digital twin obtained as a search result or a part of the DT data by using the human body or the internal structure of an object as a query.
- a virtual DT may be set from the digital twin obtained as a search result by using an environmental condition such as a weather condition as a query.
- the sandbox template may have a function of changing / setting arbitrary time, space, and environmental conditions as the conditions of the sandbox virtual DT and space-time, and further, these arbitrary time, space, and environment.
- the conditions may be set or changed when a certain time elapses after the start of the simulation or when the state of the virtual DT matches a predetermined condition.
- the template creation function applies a digital twin operation to a digital twin when creating a sandbox or sandbox template, or applies a second digital twin operation to an existing sandbox or sandbox template. It may have a digital twin calculation function. Further, the template creation function may be used as a sandbox creation function by assigning an ID indicating a sandbox instead of assigning an ID indicating a template.
- FIG. 5 is a diagram for explaining an application example to communication.
- the embodiment of the present invention can be applied to communication with oneself in the past and future. That is, for example, a virtual DT is created by a digital twin operation from its own digital twin at an arbitrary time in the past or future, and this virtual DT is placed in a sandbox. Then, the sandbox is executed while inputting data indicating the content of the utterance of oneself into the virtual DT in real time as DT data. This will enable dialogue with oneself in the past and future, and will be an opportunity for self-understanding and new discoveries about oneself, and will promote learning and growth. At this time, by creating a virtual DT from another person's digital twin instead of one's own digital twin, communication with another person in the past or future becomes possible.
- the embodiment of the present invention can be applied to communication with a non-existent person. That is, for example, a virtual DT is created from a digital twin of a deceased person or a fictitious character by a digital twin operation, and this virtual DT is placed in a sandbox. Then, the sandbox is executed while inputting data indicating the content of the utterance of oneself into the virtual DT in real time as DT data.
- information (or information) indicating the result of the communication is performed between the virtual DT corresponding to the own digital twin and the virtual DT corresponding to the digital twin of the deceased or fictitious character.
- Information indicating the process may be transmitted as feedback information to the device 20 used by a real person.
- the embodiment of the present invention can be applied to communication between people via virtual DT. That is, for example, virtual DTs are created from one person's digital twin and another person's digital twin by digital twin operation, and these virtual DTs are arranged in a sandbox. Then, a sandbox is executed while inputting certain DT data (for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.) into the virtual DT, and this execution result is obtained. (Or data showing the results of various processes during execution) or the like is transmitted as feedback information to the device 20 used by an actual person.
- DT data for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.
- communication between virtual DTs can be performed at a higher speed than communication between real people, so that communication results can be obtained immediately. Therefore, for example, it is possible to have virtual DTs discuss a certain agenda in advance, exchange knowledge between virtual DTs, etc., to support communication between real people, and to promote mutual understanding. It will be possible to provide support.
- the embodiment of the present invention can be applied to group communication. That is, for example, virtual DTs are created from the digital twins of each person belonging to a certain group by digital twin operation, and these virtual DTs are arranged in the sandbox. Then, a sandbox is executed while inputting certain DT data (for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.) into the virtual DT, and this execution result is obtained. (Or data showing the results of various processes during execution) or the like is transmitted as feedback information to the device 20 used by a person belonging to the group.
- DT data for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.
- a certain agenda can be discussed in advance between virtual DTs, knowledge can be exchanged between virtual DTs, consensus building can be formed within a group, and group optimization can be performed. It is possible to support communication within a real group, support mutual understanding, and so on.
- the embodiment of the present invention can be applied to communication between groups. That is, for example, virtual DTs are created from a digital twin of a person belonging to a certain group and a digital twin of a person belonging to another group by digital twin operation, and these virtual DTs are arranged in a sandbox. Then, a sandbox is executed while inputting certain DT data (for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.) into the virtual DT, and this execution result is obtained. (Or data showing the results of various processes during execution) or the like is transmitted as feedback information to the device 20 used by a person belonging to the group.
- DT data for example, past DT data, DT data indicating fictitious information, DT data based on data collected in real time, etc.
- virtual DTs can discuss a certain agenda in advance, knowledge can be exchanged between virtual DTs, consensus building can be formed between groups, optimization can be performed between groups, and the like. It is possible to support communication between actual groups and support mutual understanding.
- the embodiment of the present invention can be applied to a simulated experience, a virtual experiment, or the like.
- a virtual DT in which the language model of the digital twin of a foreign language is set is created by "setting operation", so that the foreign language can also be spoken.
- Virtual DT can be created. Therefore, by executing the sandbox, it is possible to experience oneself who can speak a foreign language in a simulated manner.
- the optical zoom function can be experienced as one's own vision. You can create a DT. Therefore, by executing the sandbox, it is possible to experience the optical zoom function as one's own vision.
- the embodiment of the present invention can be applied to experience a person's advanced skills in a simulated manner or to incorporate it into the control of a robot.
- a virtual DT in which a DT model of a digital twin such as a professional athlete or a professional cook is set for a self-digital twin or a robot digital twin by "setting calculation", a professional sport It is possible to create a virtual DT that has acquired the skills of athletes and the skills of professional cooks. For this reason, for example, it is possible to practice such as improving one's own skill due to the difference in skill with a professional, or to control a robot that has acquired a skill equivalent to that of a professional.
- FIG. 6 is a diagram showing an example of the hardware configuration of the digital twin arithmetic unit 10 according to the embodiment of the present invention.
- the digital twin arithmetic unit 10 includes an input device 501, a display device 502, an external I / F 503, a RAM (Random Access Memory) 504, and a ROM (Read Only). It has a Memory) 505, a processor 506, a communication I / F 507, and an auxiliary storage device 508. Each of these hardware is connected so as to be able to communicate with each other via the bus B.
- the input device 501 is, for example, a keyboard, a mouse, a touch panel, or the like.
- the display device 502 is, for example, a display or the like.
- the digital twin arithmetic unit 10 does not have to have at least one of the input device 501 and the display device 502.
- the external I / F 503 is an interface with an external device.
- the external device includes, for example, a recording medium 503a such as a CD, DVD, SD memory card, or USB memory card.
- the digital twin arithmetic unit 10 can read or write the recording medium 503a via the external I / F 503. Even if the recording medium 503a contains, for example, one or more programs that realize each functional unit (interaction unit 101, digital twin management unit 102, arithmetic unit 103, etc.) of the digital twin arithmetic unit 10. Good.
- the RAM 504 is a volatile semiconductor memory.
- the ROM 505 is a non-volatile semiconductor memory.
- the processor 506 is, for example, various arithmetic units such as a CPU (Central Processing Unit) and a GPU (Graphics Processing Unit). Each functional unit included in the digital twin arithmetic unit 10 is realized, for example, by a process in which one or more programs stored in the auxiliary storage device 508 or the like are executed by the processor 506.
- the processor 506 may be, for example, an FPGA (Field-Programmable Gate Array) or the like.
- the communication I / F 507 is an interface for connecting the digital twin arithmetic unit 10 to the communication network.
- One or more programs that realize each functional unit of the digital twin arithmetic unit 10 may be acquired (downloaded) from a predetermined server device or the like via, for example, communication I / F 507.
- the auxiliary storage device 508 is, for example, a storage device such as an HDD (Hard Disk Drive) or an SSD (Solid State Drive).
- the auxiliary storage device 508 includes, for example, an OS (Operating System), an application program that realizes various functions on the OS, and one or more programs that realize each functional unit of the digital twin arithmetic unit 10.
- the storage unit 104 included in the digital twin arithmetic unit 10 can be realized by using the auxiliary storage device 508.
- the storage unit 104 may be realized by using, for example, a storage device connected to the digital twin arithmetic unit 10 via a communication network.
- the digital twin arithmetic unit 10 according to the embodiment of the present invention can realize the above-mentioned various processes by having the hardware configuration shown in FIG. Note that FIG. 6 shows a case where the digital twin arithmetic unit 10 according to the embodiment of the present invention is realized by one device (computer), but the present invention is not limited to this.
- the digital twin arithmetic unit 10 according to the embodiment of the present invention may be realized by a plurality of devices (computers). Further, one device (computer) may include a plurality of processors 506 and a plurality of memories (RAM 504, ROM 505, auxiliary storage device 508, etc.).
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Abstract
Description
以降では、本発明の実施の形態で用いる用語の定義等について説明する。
次に、本発明の実施の形態におけるデジタルツイン演算装置10の全体構成について、図1を参照しながら説明する。図1は、本発明の実施の形態におけるデジタルツイン演算装置10の全体構成の一例を示す図である。
上述したように、デジタルツイン演算とは、デジタルツインから仮想DTを作成するための演算である。デジタルツイン演算は、「設定演算」、「複製演算」及び「融合演算」の3つに大別することができる。「設定演算」とは、任意の時刻のデジタルツインのDTモデルやDTデータを設定した仮想DTを作成する演算(又は任意の時刻のデジタルツインのDTモデルやDTデータを既に作成済みの仮想DTに設定する演算)のことである。「複製演算」とは、任意の時刻のデジタルツインのDTモデル及びDTデータをコピーして仮想DTを作成する演算のことである。「融合演算」とは、任意の時刻のデジタルツインのDTモデルやDTデータを組み合わせた仮想DTを作成する演算のことである。
次に、仮想DTを作成してサンドボックスに配置した上で、このサンドボックスを実行する場合の処理(サンドボックスの実行処理)について、図4を参照しながら説明する。図4は、サンドボックスの実行処理の一例を示すフローチャートである。
以降では、本発明の実施の形態におけるデジタルツイン演算装置10の応用例について説明する。
まず、仮想DTを用いたコミュニケーションへの応用例について、図5を参照しながら説明する。図5は、コミュニケーションへの応用例を説明するための図である。
本発明の実施の形態は、疑似的な体験や仮想的な実験等に応用することが可能である。例えば、母国語しか話せない人のデジタルツインに対して、外国語を話す人のデジタルツインの言語モデルを設定した仮想DTを「設定演算」により作成することで、当該外国語も話すことが可能な仮想DTを作成することができる。このため、サンドボックスを実行することで、外国語も話せる自分を疑似的に体験することが可能となる。また、例えば、人のデジタルツインに対して、カメラの光学ズーム機能を実現するDTモデルを設定した仮想DTを「設定演算」により作成することで、光学ズーム機能を自身の視覚として体験可能な仮想DTを作成することができる。このため、サンドボックスを実行することで、光学ズーム機能を自身の視覚として疑似的に体験することが可能となる。
本発明の実施の形態は、人の高度な技能等を疑似的に体験したり、ロボットの制御に組み込んだりする応用が可能である。例えば、自己のデジタルツインやロボットのデジタルツインに対して、プロのスポーツ選手やプロの料理人等のデジタルツインのDTモデルを設定した仮想DTを「設定演算」により作成することで、プロのスポーツ選手の技能やプロの料理人の技能等を獲得した仮想DTを作成することができる。このため、例えば、プロとの技能の違いから自身の技能を高める等の練習を行うことができたり、プロの技能と同等の技能を獲得したロボットの制御を行ったりすることが可能となる。
最後に、本発明の実施の形態におけるデジタルツイン演算装置10のハードウェア構成について、図6を参照しながら説明する。図6は、本発明の実施の形態におけるデジタルツイン演算装置10のハードウェア構成の一例を示す図である。
20 機器
30 サービス提供システム
101 インタラクション部
102 デジタルツイン管理部
103 演算部
104 記憶部
Claims (8)
- 任意の時刻において個体が有する1つ以上の機能をそれぞれ定義した1以上のモデルと、前記モデルに入力されることで前記個体の機能を実現する第1のデータを構成要素として含む1以上の第2のデータとが含まれる第1のデジタルツインを記憶部に記憶させる記憶手段と、
前記記憶部に記憶されている1つ以上の第1のデジタルツインを演算対象として所定の第1の演算を行うことで、1つ以上の第2のデジタルツインを作成する第1の演算手段と、
所定の時間軸が設定されたサンドボックス内に前記第2のデジタルツインを配置し、前記時間軸に従って前記第2のデジタルツインが表す個体の機能を前記サンドボックス内で実現する演算を実行する実行手段と、
を有することを特徴とするデジタルツイン演算装置。 - 前記所定の第1の演算には、
任意の時刻における第1のデジタルツインに含まれる1以上のモデル又は/及び1以上のデータを設定した第2のデジタルツインを作成する設定演算と、
任意の時刻における第1のデジタルツインに含まれる1以上のモデル及び1以上のデータを複製した1以上の第2のデジタルツインを作成する複製演算と、
任意の時刻における複数の第1のデジタルツインそれぞれに含まれる1以上のモデル及び1以上のデータを組み合わせた第2のデジタルツインを作成する融合演算と、が含まれる、ことを特徴とする請求項1に記載のデジタルツイン演算装置。 - 前記設定演算には、
複数の第1のデジタルツイン同士で一部のモデル及び一部のデータを交換した第2のデジタルツインを作成する交換演算と、
第1のデジタルツインに含まれるデータのうち、所定のデータを匿名化条件に応じて匿名化した第2のデジタルツインを作成する匿名化演算と、が含まれる、ことを特徴とする請求項2に記載のデジタルツイン演算装置。 - 1つ以上の前記第2のデジタルツインを演算対象として所定の第2の演算を行うことで、1つ以上の新たな第2のデジタルツインを作成する第2の演算手段を有する、ことを特徴とする請求項1乃至3の何れか一項に記載のデジタルツイン演算装置。
- 前記第1のデジタルツインに対応する個体に関する情報を示すデータを収集する収集手段を有し、
前記実行手段は、
前記時間軸に従って前記第2のデジタルツインに含まれるモデルに対して、前記記憶部に記憶されているデータ、予め作成された任意の情報を表すデータ又は前記収集手段により収集されたデータを入力することで、前記第2のデジタルツインが表す個体の機能を前記サンドボックス内で実現する演算を実行する、ことを特徴とする請求項1乃至4の何れか一項に記載のデジタルツイン演算装置。 - 任意の時刻において個体が有する1つ以上の機能をそれぞれ定義した1以上のモデルと、前記モデルに入力されることで前記個体の機能を実現する第1のデータを構成要素として含む第2のデータとが含まれる第1のデジタルツインを記憶部に記憶させる記憶手順と、
前記記憶部に記憶されている1つ以上の第1のデジタルツインを演算対象として所定の第1の演算を行うことで、1つ以上の第2のデジタルツインを作成する第1の演算手順と、
所定の時間軸が設定されたサンドボックス内に前記第2のデジタルツインを配置し、前記時間軸に従って前記第2のデジタルツインが表す個体の機能を前記サンドボックス内で実現する演算を実行する実行手順と、
をコンピュータに実行させることを特徴とするデジタルツイン演算方法。 - コンピュータを、請求項1乃至5の何れか一項に記載のデジタルツイン演算装置における各手段として機能させるためのプログラム。
- 任意の時刻において個体が有する1つ以上の機能をそれぞれ定義した1以上のモデルと、前記モデルに入力されることで前記個体の機能を実現する第1のデータを構成要素とする1以上の第2のデータとが含まれるデジタルツインのデータ構造であって、
前記デジタルツインが配置された時空間の各時刻において、前記モデルに対して、前記モデルに対応する1以上のデータを入力し、前記モデルが定義する機能を実現する処理をコンピュータが実行することを特徴とするデータ構造。
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WO2022208723A1 (ja) * | 2021-03-31 | 2022-10-06 | 日本電信電話株式会社 | 情報処理装置、情報処理方法、及び、情報処理プログラム |
JP7229620B1 (ja) * | 2022-05-25 | 2023-02-28 | 株式会社ビジョン&Itラボ | デジタルツインの管理システム |
WO2023032226A1 (ja) * | 2021-09-06 | 2023-03-09 | 日本電信電話株式会社 | 機能付与装置、機能付与方法及び機能付与プログラム |
WO2023058132A1 (ja) * | 2021-10-05 | 2023-04-13 | 日本電信電話株式会社 | シミュレーションレイヤ選択装置、シミュレーションレイヤ選択方法およびシミュレーションレイヤ選択プログラム |
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WO2021092260A1 (en) * | 2019-11-05 | 2021-05-14 | Strong Force Vcn Portfolio 2019, Llc | Control tower and enterprise management platform for value chain networks |
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EP3982260A1 (en) | 2022-04-13 |
US20220253321A1 (en) | 2022-08-11 |
AU2019449128A1 (en) | 2022-01-06 |
CN113906387A (zh) | 2022-01-07 |
JP7384201B2 (ja) | 2023-11-21 |
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AU2019449128B2 (en) | 2023-09-21 |
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