Background
With the continuous upgrading of intelligent manufacturing, the realization of the transparentization and digitization of the warehouse logistics management process by using the advanced automation technology and the digital twin technology to control, manage and decide the warehouse logistics process is a great trend of all manufacturing industries. The existing warehouse logistics process visualization system cannot map multi-source heterogeneous data sources in real time and is lack of analysis and mining of key equipment data, the state of goods in warehouse cannot be visually reflected, the source of parts in warehouse logistics cannot be traced, and the warehouse state cannot be remotely checked in real time. The method has the advantages that the digitalized and intelligent manufacturing transversely penetrates through all business processes of the warehouse logistics process, data integration and information transmission are achieved through various heterogeneous data sources of field equipment, a multi-level and real-time data-driven three-dimensional visual monitoring mode is established in the execution operation process, and the method is particularly important for production management personnel to present a real warehouse logistics process.
Disclosure of Invention
In view of the above, the present invention is directed to a warehouse logistics visualization system based on twin data, so as to solve the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a warehouse logistics visualization system based on twin data comprises a business system module, a multi-level data monitoring module, a data exchange platform, a three-dimensional virtual workshop module, a three-dimensional visualization interaction module and an algorithm processing module, wherein the data exchange platform manages and acquires bottom equipment through the business system module and sends equipment state information in the warehouse logistics process to the algorithm processing module and the three-dimensional virtual workshop module; and on the other hand, the three-dimensional visual interaction module is communicated with the multi-level data monitoring module to acquire warehousing and ex-warehousing and distribution plans of warehousing, is in signal connection with the data exchange platform, the three-dimensional virtual workshop module and the algorithm processing module, and drives the three-dimensional virtual workshop module by utilizing twin data messages to configure different display effects.
Furthermore, the service system module comprises an SCADA system for collecting hardware equipment data, a WMS system for processing order service, an LES system and an MES system.
Further, the multi-level data monitoring module comprises product state level monitoring, equipment level monitoring and warehouse logistics level monitoring which are in signal transmission with each other, wherein the product state level monitoring comprises monitoring of technical execution, product states and equipment actions; the equipment level monitoring comprises monitoring of a delivered production plan, a distributed delivered production plan, an equipment working state and an operation progress; warehouse logistics level monitoring includes monitoring production planning, delivery production planning, equipment utilization and plan completion rate.
Further, the data exchange platform comprises message middleware, real-time data, historical data, abnormal data, cache and the like.
Furthermore, the three-dimensional virtual workshop module comprises a model manager, a scene manager and a resource manager, the three-dimensional virtual workshop module constructs a twin data manager according to data accessed by the data exchange platform, the twin data manager establishes an abstract resource model for the field digital elements, the model manager manages the three-dimensional model of the object instance, and the scene manager and the resource manager are configured to form mapping with the twin data model so as to effectively associate physical world data with the virtual space.
Furthermore, the algorithm processing module comprises an algorithm manager, relevance analysis, equipment state prediction and remote fault diagnosis, the data collected by the data exchange platform are analyzed and processed, and the algorithm of the algorithm manager is called by real-time data to carry out statistical iteration, so that fault prediction and alarm are realized.
Furthermore, the three-dimensional visual monitoring module comprises comprehensive visual monitoring, warehouse visual monitoring, logistics visual monitoring, equipment visual monitoring, personnel visual monitoring, environment visual monitoring, material visual monitoring and safety visual monitoring, is connected with the data exchange platform, the three-dimensional virtual workshop module and the algorithm processing module, drives the three-dimensional virtual workshop by utilizing twin data messages, configures different display effects, and performs statistical display on distribution information, material warehouse-in and warehouse-out, inventory states, warehouse location states, utilization rate and incoming material inspection abnormal information of warehouse logistics.
Compared with the prior art, the warehouse logistics visualization system based on twin data has the following advantages:
(1) according to the warehouse logistics visualization system based on the twin data, the physical workshop, the virtual workshop, the digital information system and the real-time data of the warehouse logistics field are integrated, fused and communicated in a simultaneous mode through the digital twin technology, the physical workshop and the virtual workshop can carry out real-time interaction and bidirectional mapping through the twin data, the states of the warehouse area, the three-dimensional warehouse, the warehouse location and the goods are presented in real time, and guarantee is provided for operators and managers to master the operation condition of the warehouse field in time and find the abnormity in production.
(2) The warehouse logistics visualization system based on the twin data fuses the twin data and the three-dimensional virtual warehouse distribution model, and improves visualization of the warehouse logistics process and data transparency of the production process.
(3) The warehouse logistics visualization system based on the twin data defines real-time monitoring data of a warehouse logistics process through the twin data, and realizes mapping and presentation of data acquisition points, virtual warehouse delivery models and actual equipment.
(4) The warehouse logistics visualization system based on twin data is suitable for all warehouse logistics production enterprises, can be expanded to the visualization monitoring of the whole production assembly workshop, and has strong expansibility and universality.
The invention further aims to provide a construction method of a warehouse logistics visualization system based on twin data, so as to solve the problems that the existing warehouse logistics cannot visually represent the state of goods in storage, trace the source of parts in the warehouse logistics and cannot remotely check the storage state in real time.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a construction method of a warehouse logistics visualization system based on twin data comprises the following steps:
step 1: analyzing user requirements;
step 2: modeling a warehouse logistics workshop, and designing production elements into a three-dimensional simulation model consistent with the texture, color and material of an actual product;
and step 3: the method comprises the steps that a data acquisition device is configured on key points of a production line to obtain monitoring data, and the monitoring data and a three-dimensional model are mapped and driven in real time;
and 4, step 4: acquiring a service flow plan from an MES system and an ERP system, decomposing the plan according to the production capacity of a production line and the requirement condition of station resources to form a virtual warehouse-in/out list and a virtual delivery list, wherein the number of product types is consistent with the actual requirement;
and 5: a layered monitoring system is established for the warehouse logistics workshop through monitoring and identifying the warehouse-in and warehouse-out distribution lists and the data acquired in the step 3;
step 6: and (4) according to the analysis and processing of the data acquired by each control point, establishing a twin database according to the information of the simulation process.
Compared with the prior art, the construction method of the warehouse logistics visualization system based on the twin data has the following advantages:
(1) the construction method of the warehouse logistics visualization system based on twin data is suitable for all warehouse logistics production enterprises, can be expanded to the visualization monitoring of the whole production assembly workshop, and has strong expansibility and universality.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A warehouse logistics visualization system based on twin data is shown in figure 1 and comprises a business system module, a multi-level data monitoring module, a data exchange platform, a three-dimensional virtual workshop module, a three-dimensional visualization interaction module and an algorithm processing module, wherein the data exchange platform manages and acquires bottom equipment through the business system module and sends state information of all equipment in the warehouse logistics process to the algorithm processing module and the three-dimensional virtual workshop module; on the other hand, the three-dimensional visual interaction module is communicated with the multi-level data monitoring module to acquire warehousing and ex-warehousing and distribution plans of warehousing, is connected with the data exchange platform, the three-dimensional virtual workshop module and the algorithm processing module, drives the three-dimensional virtual workshop module by utilizing twin data messages, configures different display effects, and realizes real-time dynamic monitoring and digital management of the whole life cycle of the warehousing and logistics process.
The business system module comprises an SCADA system for acquiring hardware equipment data, a WMS system for processing order business, a storage management system such as an LES system and a production management system such as an upstream MES system; in enterprises, most of the systems are independent of each other, each system has an important data source, and data of each system cannot be shared in time. The data exchange platform can integrate and unify data sources, guarantee smooth information and provide data foundation for the multi-level data monitoring module.
The multi-level data monitoring module comprises product state level monitoring, equipment level monitoring and warehouse logistics level monitoring which are in signal transmission mutually, a multi-level visual monitoring mode is established mainly according to the type of monitoring data and the process level of warehouse logistics, a physical space model is dynamically mapped from the aspects of workshop logistics, site state, equipment resources and the like, and the dynamic monitoring of the whole flow path of warehouse logistics is realized; product status level monitoring includes monitoring of technology execution, product status, and device actions; the equipment level monitoring comprises monitoring of a delivered production plan, a distributed delivered production plan, an equipment working state and an operation progress; the warehouse logistics level monitoring comprises monitoring production plan making, delivery production plan making, equipment utilization rate and plan completion rate;
the multi-level data monitoring module uniformly configures monitoring data according to the type of the monitoring data and the production level according to the characteristics of user requirements, so that operators, managers, decision makers and other personnel at different levels can control the production process according to respective requirements. The three-dimensional visualization system constructed by the invention can establish monitoring systems and operation interfaces of different levels according to the user authority, display different monitoring visual angles in a visual expression form aiming at the characteristics of data types, and a user can configure a graphic expression form, monitoring data selection, data traceability and the like according to the self requirement.
The data exchange platform adopts a message middleware to subscribe a distributed bidirectional transparent interface, on one hand, the SCADA system is used for managing and acquiring data of bottom equipment, and the state information of each equipment in the storage logistics process is sent to the algorithm processing module and the three-dimensional virtual workshop module; on the other hand, the system is communicated with an upstream system such as a WMS system, an MES system and the like and a multi-level data monitoring module to acquire warehousing and ex-warehouse and distribution plans, BOM information and the like of warehousing;
the data exchange platform comprises data such as message middleware, real-time data, historical data, abnormal data, cache and the like; the data exchange platform completes the integration of upstream and downstream systems through Kafka and other message middleware or open API interfaces, the lower layer completes the order pushing of the WMS system and the SCADA system, and the equipment layer data collects the state of equipment, the monitoring point data and the tracing of products through the SCADA system and the OPC UA data interface and transmits all data to the data exchange platform. The information data model of the multi-level monitoring object can be defined under the platform, the data of the operation parameters can be reported and then enter a cache, and a TSDB time sequence database is adopted for persistent storage.
The three-dimensional virtual workshop module comprises a model manager, a scene manager, a resource manager and a real-time data driving model manager, establishes a real and complete three-dimensional model for the warehousing system, and realizes one-to-one mapping of physical workshops by driving the virtual workshop model through real-time data; the three-dimensional virtual workshop module builds a twin data manager according to data accessed by the data exchange platform, and mainly utilizes a virtual reality technology to build a twin data model for real-time data which runs through the whole product, workshop control full life cycle design data, equipment running state, process data, monitoring data, production process and the like, wherein the unified data format is defined as follows: the unique coding sequence number < the warehouse number > < the equipment number < the monitoring level > < the monitoring variable > < the warehouse bit state > < the data type > < the state type > < the model number > < the model address > in the whole process, and the integrity and the consistency of the information model are ensured. The scene manager can be used for configuring, maintaining and managing the layout, the monitoring objects and the components, such as scene structure adjustment, component attribute, style attribute, label attribute management and the like; the method comprises the steps of establishing a three-dimensional model of logistics equipment, warehousing equipment and the like according to the actual layout of a workshop by using three-dimensional modeling software 3Dmax, establishing an abstract resource model for on-site digital elements for resource treatment, managing the three-dimensional model of an object instance by using a model manager, forming mapping by using the configuration of a scene manager and a resource manager and a twin data model, and effectively associating physical world data with a virtual space.
The algorithm processing module comprises an algorithm manager, relevance analysis, equipment state prediction and remote fault diagnosis, analyzes and processes data collected by the data exchange platform, and calls the algorithm of the algorithm manager through real-time data to perform statistical iteration so as to realize fault prediction and alarm.
The three-dimensional visual monitoring module comprises comprehensive visual monitoring, warehousing visual monitoring, logistics visual monitoring, equipment visual monitoring, personnel visual monitoring, environment visual monitoring, material visual monitoring and safety visual monitoring, is connected with the data exchange platform, the three-dimensional virtual workshop module and the algorithm processing module, drives the three-dimensional virtual workshop by utilizing twin data messages, configures different display effects, and realizes real-time dynamic monitoring and digital management of the whole life cycle of the warehousing and logistics process.
The three-dimensional visual monitoring module is a system which can be perceived by a user, three-dimensional monitoring of scenes is realized by adopting a webGL technology, and the system comprises comprehensive visual monitoring, storage visual monitoring, logistics visual monitoring, equipment visual monitoring, personnel visual monitoring, environment visual monitoring, material visual monitoring and safety visual monitoring.
According to the scheme, a digital twin technology is adopted, the physical workshop, the virtual workshop, the digital information system and real-time data of the storage logistics site are integrated, fused and communicated in a simultaneous mode, the physical workshop and the virtual workshop can carry out real-time interaction and bidirectional mapping through the twin data, the states of the storage area, the three-dimensional warehouse, the warehouse location and goods are presented in real time, and guarantee is provided for operators and managers to grasp the operation condition of the storage site in time and find out abnormity in production.
A method for constructing a warehouse logistics visualization system based on twin data, as shown in fig. 2, specifically includes the following steps:
step 1: researching the detailed requirements of the user;
step 2: modeling a storage logistics workshop, designing production elements such as a stereo library, a logistics vehicle, parts and the like, and forming a three-dimensional simulation model consistent with the texture, color and material of an actual product;
and step 3: monitoring data are obtained by configuring data acquisition devices such as RFID (radio frequency identification devices) and the like on key points of a production line, and real-time mapping and driving can be performed on the monitoring data and the three-dimensional model, so that the system is ensured to be in a linkage state in operation;
and 4, step 4: acquiring a service flow plan from an MES system and an ERP system, decomposing the plan according to the production capacity of a production line and the requirement condition of station resources to form a virtual warehouse-in/out list and a virtual delivery list, wherein the number of product types is consistent with the actual requirement;
and 5: a layered monitoring system is established for the warehouse logistics workshop through monitoring and identifying the warehouse-in and warehouse-out distribution lists and the data acquired in the step 3;
step 6: according to the analysis and processing of the data collected by each control point, the equipment and the quality of the warehousing and distribution process are managed, a twin database is established for the information of the simulation process, and data support is provided for fault diagnosis and analysis.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.