Method for determining the state of one of several machine components of a machine and state determination system

Abstract

A method for determining the state (ZS) of one of several machine components (MK) of a machine (MA) based on a digital machine model (MM), wherein the digital machine model (MM) describes the several machine components (MK), the method comprising the steps of: - determining component manufacturer data (KHD) of the several machine components (MK), - determining machine manufacturer data (MHD) of the several machine components (MK), - determining machine operator data (MBD) of the several machine components (MK), and - determining the state (ZS) of one of the several machine components (MK) by linking the determined component manufacturer data (KHD), the determined machine manufacturer data (MHD), and the determined machine operator data (MBD), - wherein the state (ZS) describes whether the associated machine component (MK) poses a risk of machine (MA) failure or not.- wherein the digital machine model (MM) is generated from a design system (CS),- wherein the machine manufacturer data (MHD) is information from a machine manufacturer (MH) about one of the several machine components (MK) in the form of an interaction between one of the several machine components (MK) and at least one other of the several machine components (MK) in the form of an arrangement and / or a connection,- wherein the machine operator data (MBD) is information from a machine operator (MB) about one of the several machine components (MK) in the form of an application, an operating condition, an operating time, a power, a load, a temperature, an environmental condition, a humidity and / or a level of contamination,- wherein the procedure includes the step: Determining information (Info) about one of the several machine components (MK) based on the determined condition (ZS) in the form of maintenance information and / or order information.

Description

FIELD OF APPLICATION AND PRIOR ARTThe invention relates to a method for determining a state of one of a plurality of machine components of a machine and to a state determination system.A method for determining a state of one of a plurality of machine components of a machine and a state determination system are known.DE 10 2010 043 651 A1 discloses an installation monitoring system having an installation modelling device which is designed to receive component-specific operating data from a multiplicity of installation components of an installation and to create a runtime system having a multiplicity of system states from the component-specific operating data and an installation model, and an installation monitoring device which is designed to receive component-specific state data from the multiplicity of installation components, to determine an actual system state from the component-specific state data, and to determine system monitoring data by matching the actual system state with one or more of the multiplicity of system states of the runtime system.DE 10 2017 105 631 A1 discloses a vehicle damage detector.EP 2 804 061 A1 discloses a method for monitoring a process and / or production installation.US 2016 / 0 274 553 A1 discloses modeling an industrial automation environment in the cloud.US 2018 / 0 005 132 A1 discloses a method and an apparatus for predicting a machine fault.OBJECT AND SOLUTIONThe invention is based on the object of providing a method for determining a state of one of a plurality of machine components of a machine and of a state determination system, which method in each case enables improved state determination.The invention achieves this object by providing a method having the features of claim 1. Advantageous further developments of the invention are described in the dependent claims.The method according to the invention, in particular an automatic method, for determining a state, in particular at least one of a plurality of machine components of a machine, in particular all machine components, based on a digital machine model, wherein the digital machine model describes the plurality of machine components, has the steps of: ascertaining, in particular automatically ascertaining, in particular digital, component manufacturer data of the plurality of machine components, ascertaining, in particular automatically ascertaining, in particular digital, machine manufacturer data of the plurality of machine components, ascertaining, in particular automatically ascertaining, in particular digital, machine operator data of the plurality of machine components and ascertaining, in particular automatically ascertaining, the state of the one of the plurality of machine components by means of, in particular logic, linking the ascertained component manufacturer data, the ascertained machine manufacturer data and the ascertained machine operator data.The method enables an improved state determination, in particular by the linking of the component manufacturer data, the machine manufacturer data and the machine operator data.In particular, the digital machine model can be a digital image of the machine. In the simplest case, the digital machine model can be a structured piece list of the plurality of or all machine components. For each machine component, an associated memory area can be provided in a database, in which data / information relating to the machine component can be stored or stored. The component manufacturer data, the machine manufacturer data and the machine operator data can be stored, for example, in the memory area of a machine component. The digital machine model is frequently also referred to as a digital twin of the machine.The machine manufacturer data can be determined simultaneously, temporally before or temporally after the component manufacturer data. The machine operator data can be determined simultaneously, temporally before or temporally after the component manufacturer data and / or the machine manufacturer data.The state describes or depicts whether or not the associated machine component represents a risk for a failure of the machine, in particular a long-term failure, in particular whether the machine component can be in a proper state or without errors or not or faulty.The digital machine model is generated, in particular automatically, from an, in particular digital, construction system. This enables a relatively simple generation of the machine model. In particular, the construction system can be a simulation system and / or a control system. Typically, data and / or information may already be present at the design level (mechanics), control level (parameters) and software level (controller parameters), for example in a CAD, ERP, SPS and / or SAP system and / or a plant documentation.In addition, the method can have, in particular subsequent and / or dynamic and / or automatic, matching of the plurality of machine components of the machine. This is because after a construction of the machine, in particular for the first time, in particular by means of the construction system, the machine can have been subsequently modified or changed, in particular an additional and / or an alternative machine component / s can / can have been used. The comparison can be carried out, for example, by means of ePlan.The machine manufacturer data is, in particular digital, information of a machine manufacturer about, in particular at least, one of the plurality of machine components in the form of an interaction of one of the plurality of machine components with at least one further of the plurality of machine components in the form of an arrangement and / or a connection. In other words: the machine manufacturer data can be information about, in particular at least, one of the plurality of machine components from the point of view of the machine manufacturer, or this information can be located at the machine manufacturer. The machine manufacturer data can be from documentation, data sheets, operating instructions, certificates and / or manuals of the machine manufacturer. From the point of view of the machine manufacturer, the machine manufacturer data can have or comprise a possible interaction or a possible interaction of machine components and / or one of the plurality of machine components in, in particular, a mechanical and / or electrical connection with a further one of the plurality of machine components. In particular, the machine components which interact and / or are connected to one another should be matched to one another. The information about the interaction can typically be located at the machine manufacturer, and the information about the machine component for achieving the coordination can typically be located at the component manufacturer.The machine operator data are, in particular digital, information of a machine operator about, in particular at least, one of the plurality of machine components in the form of an application, an operating condition, an operating time, a power, a load, a temperature, an ambient condition, a humidity and / or a contamination. In other words: the machine operator data can be information about, in particular at least, one of the plurality of machine components from the point of view of the machine operator or this information can be located at the machine operator. The machine operator data can be from documentation, data sheets, operating instructions, certificates and / or manuals of the machine operator. The machine operator may have the respective machine coupled to another machine / s. Additionally or alternatively, the machine can have at least one machine sensor, wherein the machine sensor can be arranged on one of the plurality of machine components for, in particular automatically, ascertaining or acquiring machine operator data, in particular of a wide variety of measurement information. This measurement information can provide information about the one of the plurality of machine components or a group / s of machine components. This machine operator data, such as operating times in combination with operating condition, in particular linked to the component manufacturer data and / or the machine manufacturer data, enables the state to be determined such as wear and thus recognized. A sensor-actuator list can be integrated, in particular into the digital machine model and / or the data / information.The method has the step of: ascertaining, in particular automatically ascertaining, information about, in particular at least, one of the plurality of machine components on the basis of the ascertained state in the form of maintenance information and / or ordering information, in particular and information about an alternative machine component. This enables actions to be taken for the machine or the one of the plurality of machine components. In particular, the information can be referred to as diagnostic information. In the case of wear, a remaining service life of the machine component can be determined or determined and / or a replacement machine component, in particular if it has a relatively poor availability and / or a relatively long delivery time, can be ordered and stored. This can then enable a rapid repair. Additionally or alternatively, an alternative machine component that has a relatively better availability and / or a relatively shorter delivery time and / or a relatively lower wear can be ordered and stored or even taken into account from the outset in the construction of the machine. The method can have the step of: providing, in particular automatically providing, the ascertained information in the database.In a development of the invention, the plurality of machine components have at least one mechanical and / or electrical machine component. In particular, the machine component can have a machine frame, a machine cladding, an actuator, an electric motor, a converter, a connection terminal, a controller, a sensor and / or a capacitor.In a development of the invention, the component manufacturer data, in particular digital, are information of a component manufacturer about, in particular at least, one of the plurality of machine components, in particular a component manufacturer name, a type designation, a material number, a serial number, an article number, an order number, an availability, a delivery time, a service life, a property, a connection diagram, an electrical characteristic value, an absolute minimum or maximum limit value, a supply voltage, a power consumption, an input current, a storage, soldering and / or operating temperature, a recommended operating condition, DC data, AC data, an input / output signal shape, a mechanical dimension, a contact arrangement, an environmental admission, a material and / or an application recommendation. In other words: the component manufacturer data can be information about, in particular at least, one of the plurality of machine components from the perspective of the component manufacturer, or this information can be located at the component manufacturer. The component manufacturer data can be from documentation, data sheets, operating instructions, certificates and / or manuals of the component manufacturer.In a development of the invention, the method has the step of: providing, in particular automatically providing, the component manufacturer data, the machine manufacturer data, the machine operator data and / or the state in an, in particular central, database, in particular a digital database. This allows, in particular central, availability. In particular, access by all participants, in particular the component manufacturer / s, the machine manufacturer / s and the machine operator / s, to everything, in particular the component manufacturer data, the machine manufacturer data, the machine operator data and the state, can be enabled or there can be limited, in particular associated, access.Furthermore, the invention relates to a state determination system for determining the state of the one of a plurality of machine components of the machine based on the digital machine model, wherein the digital machine model describes the plurality of machine components. The state determination system according to the invention has a component manufacturer determination device, in particular an electrical component manufacturer determination device, a machine manufacturer determination device, in particular an electrical machine operator determination device, and a state determination device, in particular an electrical state determination device. The component manufacturer determination device is designed to determine component manufacturer data of the plurality of machine components. The machine manufacturer determination device is designed to determine machine manufacturer data of the plurality of machine components. The machine operator determination device is designed to determine machine operator data of the plurality of machine components. The state determination device is designed to determine the state of the one of the plurality of machine components by linking the determined component manufacturer data, the determined machine manufacturer data and the determined machine operator data. The state describes whether or not the associated machine component represents a risk for a failure of the machine. The digital machine model is generated from a design system. The machine manufacturer data is information of a machine manufacturer about one of the plurality of machine components in the form of an interaction of one of the plurality of machine components with at least one further of the plurality of machine components in the form of an arrangement and / or a connection. The machine operator data is information of a machine operator about one of the plurality of machine components in the form of an application, an operating condition, an operating time, a power, a load, a temperature, an environmental condition, a humidity and / or a contamination. The state determination system is designed to determine information about one of the plurality of machine components based on the determined state in the form of maintenance information and / or ordering information.The state determination system can provide the same advantages as the method described above. In particular, the state determination system can be designed for, in particular automatically, carrying out parts of the method described above or even the entire method.In a further development of the invention, the state determination system has at least one machine sensor. The machine sensor is designed for arrangement on one of the plurality of machine components for, in particular automatically, ascertaining or acquiring machine operator data. In particular, the machine sensor can be partially or even completely designed, as described above for the method.BRIEF DESCRIPTION OF THE DRAWINGSFurther advantages and aspects of the invention are evident from the claims and from the following description of preferred exemplary embodiments of the invention, which are explained below with reference to the figure. The following shows: FIG. 1 shows a method according to the invention and a state determination system according to the invention.DETAILED DESCRIPTION OF THE EMBODIMENTSFIG. 1 shows a method according to the invention for determining a state ZS of one of a plurality of machine components MK of a machine MA on the basis of a digital machine model MM, wherein the digital machine model MM describes the plurality of machine components MK. The method has the steps of: ascertaining component manufacturer data KHD of the plurality of machine components MK, ascertaining machine manufacturer data MHD of the plurality of machine components MK, ascertaining machine operator data MBD of the plurality of machine components MK and ascertaining the state ZS of the one of the plurality of machine components MK by means of linking the ascertained component manufacturer data KHD, the ascertained machine manufacturer data MHD and the ascertained machine operator data MBD.Furthermore, FIG. 1 shows a state determination system 10 according to the invention for determining the state ZS of the one of a plurality of machine components MK of the machine MA on the basis of the digital machine model MM, wherein the digital machine model MM describes the plurality of machine components MK. The state determination system 10 according to the invention has a component manufacturer determination device 11, a machine manufacturer determination device 12, a machine operator determination device 13 and a state determination device 14. The component manufacturer determination device 11 is designed to determine component manufacturer data KHD of the plurality of machine components MK. The machine manufacturer determination device 12 is designed to determine machine manufacturer data MHD of the plurality of machine components MK. The machine operator determination device 13 is designed to determine machine operator data MBD of the plurality of machine components MK. The state determination device 14 is designed to determine the state ZS of the one of the plurality of machine components MK by linking the determined component manufacturer data KHD, the determined machine manufacturer data MHD and the determined machine operator data MBD.In other words, the state determination system 10 is designed to carry out the method described above.In the exemplary embodiment shown, the state determination device 14 is an, in particular central, arithmetic and / or storage unit 14. In addition, in the exemplary embodiment shown, the state determination system 10 has a further computing and / or storage unit 15 which has the digital machine model MM. In alternative exemplary embodiments, the state determination device 14 can have the digital machine model MM.In detail, the digital machine model MM is generated from a construction system KS. In the exemplary embodiment shown, yet another computing and / or storage unit 16 has the construction system KS. The computing and / or storage unit 16 may be part of the state determination system 10. In alternative exemplary embodiments, the state determination device 14 can have the construction system KS.In detail, the component manufacturer data KHD is information of a component manufacturer KH about one of the plurality of machine components MK. In the exemplary embodiment shown, the component manufacturer data KHD are located at the component manufacturer KH or on a server or, in particular, an electrical storage unit 21 of the component manufacturer KH. The state determination system 10 or its component manufacturer determination device 11 is designed to retrieve the component manufacturer data KHD from the component manufacturer KH and to transmit it to the state determination device 14, in particular for storage in the associated memory area. The component manufacturer determination device 11 can be referred to as a component manufacturer data acquisition and / or transmission device.Furthermore, the machine manufacturer data MHD is information of a machine manufacturer MH about one of the plurality of machine components MK. In the exemplary embodiment shown, the machine manufacturer data MHD are located at the machine manufacturer MH or on a server or, in particular, an electrical storage unit 22 of the machine manufacturer MH. The state determination system 10 or its machine manufacturer determination device 12 is designed to retrieve the machine manufacturer data MHD from the machine manufacturer MH and to transmit it to the state determination device 14, in particular for storage in the associated memory area. The machine manufacturer determination device 11 can be referred to as a machine manufacturer data acquisition and / or transmission device.In addition, the machine operator data MBD is information of a machine operator MB about one of the plurality of machine components MK. In the exemplary embodiment shown, the machine operator data MBD are located at the machine operator MB or on a server or, in particular, an electrical storage unit 23 of the machine operator MB. The state determination system 10 or its machine operator determination device 13 is designed to retrieve the machine operator data MBD from the machine operator MB and to transmit it to the state determination device 14, in particular for storage in the associated memory area. The machine operator determination device 13 can be referred to as machine operator data acquisition and / or transmission device.The state determination system ZS also has at least one machine sensor MS. The machine sensor MS is designed for arrangement on one of the plurality of machine components MK for ascertaining machine operator data MBD.In addition, the method comprises the step of: providing the component manufacturer data KHD, the machine manufacturer data MHD, the machine operator data MBD and / or the state ZS in a database DB, such as a cloud illustrated in FIG. 1.Furthermore, the method has the step of: ascertaining an information Info about one of the plurality of machine components MK on the basis of the ascertained state ZS. In addition, in the exemplary embodiment shown, the method has the step of: providing the ascertained information Info in the database DB.The method or the state determination system 10 enables an integrated communication, for example between a salesperson, a paver, a service technician, in particular in each case, as operators and / or machine levels.In the exemplary embodiment shown, the machine MA has four machine components MK. In alternative exemplary embodiments, the machine may have less than four machine components or more than four machine components, in particular at least ten, in particular at least one hundred, in particular at least one thousand machine components.In addition, in the exemplary embodiment shown, the state determination system ZS has two machine sensors MS. In alternative exemplary embodiments, the state determination system can have only a single or single machine sensor or more than two machine sensors, in particular at least ten, in particular at least one hundred, in particular at least one thousand machine sensors.In detail, the plurality of machine components MK comprise at least one mechanical and / or electrical machine component MEMK.For example, the mechanical machine component MEMK is a connecting bolt which mechanically connects further machine components MK to one another and is thereby loaded by the further machine components MK, in particular during operation of the machine MA.The machine sensor MS is designed to ascertain machine operator data MBD in the form of an operating time of the machine MA.By linking the component manufacturer data KHD, in particular a property of the connecting bolt MEMK such as a permissible number of loads and an availability and / or a delivery time of the connecting bolt MEMK, the machine manufacturer data MHD, in particular what exactly the connecting bolt MEMK mechanically connects to one another for further machine components MK, and the machine operator data MBD, the state ZS of the connecting bolt MEMK is determined.The state describes whether the connecting bolt MEMK is still in order or is still allowed to be loaded or is not or is worn out. Moreover, the state describes whether or not the connecting bolt MEMK represents a risk for failure of the machine MA. Even if the permissible load number of the connecting bolt MEMK is not reached or is imminent and therefore the connecting bolt MEMK is still in order, a long delivery time of the connecting bolt MEMK results in the connecting bolt MEMK representing a failure risk for the machine MA and thus the state ZS of the connecting bolt MEMK is critical. Based on the determined state ZS of the connecting bolt MEMK, the information Info about the connecting bolt MEMK is determined, in this case the recommendation to order and store a replacement connecting bolt.The component manufacturer data KHD, the machine manufacturer data MHD, the machine operator data MBD, the state ZS and the information Info can be retrieved from the database DB.In addition, the state ZS, in particular if the state ZS is critical, and / or the information Info based thereon is output, in particular automatically, to the machine operator, the machine manufacturer and / or the component manufacturer. This can be referred to as an, in particular automated, report function.As the exemplary embodiments shown and explained above make clear, the invention provides an advantageous method for determining a state of one of a plurality of machine components of a machine and an advantageous state determination system which in each case enables improved state determination.

Claims

Method for determining a state (ZS) of one of a plurality of machine components (MK) of a machine (MA) based on a digital machine model (MM), wherein the digital machine model (MM) describes the plurality of machine components (MK), wherein the method has the steps: - determining component manufacturer data (KHD) of the plurality of machine components (MK), - determining machine manufacturer data (MHD) of the plurality of machine components (MK), - determining machine operator data (MBD) of the plurality of machine components (MK), and - determining the state (ZS) of the one of the plurality of machine components (MK) by means of linking the determined component manufacturer data (KHD), the determined machine manufacturer data (MHD) and the determined machine operator data (MBD), - wherein the state (ZS) describes whether or not the associated machine component (MK) represents a risk for a failure of the machine (MA), - wherein the digital machine model (MM) is generated from a construction system (KS), - wherein the machine manufacturer data (MHD) is information of a machine manufacturer (MH) about one of the plurality of machine components (MK) in the form of an interaction of one of the plurality of machine components (MK) with at least one further of the plurality of machine components (MK) in the form of an arrangement and / or a connection, wherein the machine operator data (MBD) are information of a machine operator (MB) about one of the plurality of machine components (MK) in the form of an application, an operating condition, an operating time, a power, a load, a temperature, an ambient condition, an air humidity and / or a contamination, - wherein the method comprises the step of: ascertaining information (Info) about one of the plurality of machine components (MK) based on the ascertained state (ZS) in the form of maintenance information and / or an ordering information.Method according to Claim 1, - wherein the plurality of machine components (MK) have at least one mechanical and / or electrical machine component (MEMK).Method according to one of the preceding claims, - wherein the component manufacturer data (KHD) is information of a component manufacturer (KH) about one of the plurality of machine components (MK), in particular a component manufacturer name, a type name, a material number, a serial number, an article number, an order number, an availability, a delivery time, a service life, a property, a connection diagram, an electrical characteristic value, an absolute minimum or maximum limit value, a supply voltage, a power consumption, an input current, a storage, soldering and / or operating temperature, a recommended operating condition, direct current data, alternating current data, an input / output signal shape, a mechanical dimension, a contact arrangement, an ambient admission, a material and / or an application recommendation.Method according to one of the preceding claims, comprising the step of: - providing the component manufacturer data (KHD), the machine manufacturer data (MHD), the machine operator data (MBD) and / or the state (ZS) in a database (DB).Method according to one of the preceding claims, having the step of: - ascertaining an information item (Info) about one of the plurality of machine components (MK) on the basis of the ascertained state (ZS) in the form of an information item about an alternative machine component.State determination system (10) for determining a state (ZS) of one of a plurality of machine components (MK) of a machine (MA) on the basis of a digital machine model (MM), wherein the digital machine model (MM) describes the plurality of machine components (MK), wherein the state determination system (100) has: - a component manufacturer determination device (11) which is designed to determine component manufacturer data (KHD) of the plurality of machine components (MK), - a machine manufacturer determination device (12) which is designed to determine machine manufacturer data (MHD) of the plurality of machine components (MK), - a machine operator determination device (13), which is designed to determine machine operator data (MBD) of the plurality of machine components (MK), and - a state determination device (14) which is designed to determine the state (ZS) of the one of the plurality of machine components (MK) by means of linking the determined component manufacturer data (KHD), the determined machine manufacturer data (MHD) and the determined machine operator data (MBD), - wherein the state (ZS) describes whether or not the associated machine component (MK) represents a risk for a failure of the machine (MA), - wherein the digital machine model (MM) is generated from a construction system (KS), wherein the machine manufacturer data (MHD) is information of a machine manufacturer (MH) about one of the plurality of machine components (MK) in the form of an interaction of one of the plurality of machine components (MK) with at least one further of the plurality of machine components (MK) in the form of an arrangement and / or a connection, - wherein the machine operator data (MBD) is information of a machine operator (MB) about one of the plurality of machine components (MK) in the form of an application, an operating condition, an operating time, a power, a load, a temperature, an ambient condition, an air humidity and / or a contamination, wherein the state determination system (10) is designed to determine an information item (Info) about one of the plurality of machine components (MK) based on the determined state (ZS) in the form of maintenance information item and / or ordering information item.State determination system (10) according to Claim 6, comprising: - at least one machine sensor (MS) which is designed to be arranged on one of the plurality of machine components (MK) for determining machine operator data (MBD).

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