CN114397861B - Reaction rectification intelligent factory simulation test system based on industrial operating system - Google Patents
Reaction rectification intelligent factory simulation test system based on industrial operating system Download PDFInfo
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Abstract
The application provides a reactive distillation intelligent factory simulation test system based on an industrial operating system. Virtual system development is carried out through three-dimensional software, and related controls are developed and a system UI interface is designed in combination with object-oriented programming design; building a dynamic model through a big data module of an industrial operating system, and writing a mathematical model of a reactive rectification process through codes to form a functional module; the three-dimensional virtual simulation is issued into a Web version, and a Web page assembly module is embedded into the platform through an industrial operation system to form a complete experimental platform; and the three-dimensional virtual simulation experiment performs data interaction with the industrial operating system through the correspondingly developed API interface. The three-dimensional virtual simulation modeling, the industrial operating system and the big data analysis technology are integrated to realize dynamic flow simulation of the reactive distillation production unit, data with flexibility and authenticity are provided, various application scenes and test environments are provided, and a simulation test platform which is closer to reality is provided for the performance of the industrial intelligent system.
Description
Technical Field
The application relates to the field of three-dimensional simulation and industrial operation systems, in particular to a reactive distillation intelligent factory simulation test system based on an industrial operation system and a development method.
Background
The transformation and upgrading of industry are becoming the competing focus of new rounds of global economic development, and the innovation and development of industry economy are pulled by leading the transformation of industrial production modes by applying new technologies such as cloud computing, big data, internet of things, artificial intelligence and the like. With the rapid development of information technology, related research institutions at home and abroad deeply explore the intelligent manufacturing process of the process industry and develop an industrial operation system APP module in the field of the process industry, so as to meet the application requirements of process enterprises in specific industrial scenes such as safety, environmental protection, energy conservation, consumption reduction, quality control, production coordination and the like.
The reactive distillation process is used as a typical chemical production process and is widely used in chemical enterprises, the high-risk or extreme environment is involved, the dynamic characteristics of the production process are complex and various, and links such as design, parameter setting, performance evaluation and the like of a reactive distillation process control system directly influence economic indexes such as product quality, energy conservation and emission reduction in the whole production process, and are important for ensuring safe production and stable operation of the system.
Disclosure of Invention
Aiming at the complex control reaction rectification system process of a typical dangerous process, the application provides an intelligent reaction rectification factory APPs simulation test system based on an industrial operation system. The technical scheme of the application is as follows:
in a first aspect, an embodiment of the present application provides a reactive distillation intelligent factory simulation test system based on an industrial operating system, which is characterized by comprising:
the experimental model module comprises a dynamic model for simulating the whole reaction rectification process and an experimental object example; wherein the dynamic model is obtained based on a mathematical model of a reactive distillation process under the architecture of an industrial operating system; the dynamic model acquires input data through the object attribute of the experimental object instance;
the three-dimensional simulation module comprises a three-dimensional virtual simulation process model for simulating a reactive distillation process and a relational database, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment; the three-dimensional virtual simulation process model is embedded into a platform of a simulation test system developed based on an industrial operation system in a webpage assembly mode, a PID control algorithm is adopted by the controller, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model; the relational database is used for storing related data of the three-dimensional virtual simulation process model;
the data interaction module is used for realizing data interaction between the experimental model module and the three-dimensional simulation module through an API (application program interface) of the three-dimensional simulation module;
and the output result of the controller of the three-dimensional virtual simulation process model is stored in the object attribute of the experimental object instance through the data interaction module.
In a second aspect, an embodiment of the present application provides a method for developing a reactive distillation intelligent factory simulation test system based on an industrial operating system, which is characterized by comprising:
s1, building a system platform of a reactive distillation intelligent factory simulation test system based on an industrial operation system architecture;
s2, creating a three-dimensional end, namely respectively creating a system module control and a system UI interface through a Unity3D, and building a three-dimensional virtual simulation process model for simulating a reactive rectification process, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment, the controller adopts a PID control algorithm, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model;
s3, acquiring a mathematical model of a reactive distillation process, and acquiring a dynamic model of the whole reactive distillation process according to the mathematical model through a big data module of an industrial operating system, wherein the dynamic model acquires input data through object attributes of an experimental object instance;
s4, releasing Web versions of the system module control, the system UI interface and the three-dimensional virtual simulation process model which are created by the three-dimensional end, and embedding the Web versions into the system platform in a webpage assembly mode through an industrial operating system; creating an API interface for external calling;
s5, based on the three-dimensional virtual simulation process model, the dynamic model and the acquired real-time data of the reactive distillation experiment control process, realizing the system test of the reactive distillation intelligent factory simulation test system, wherein the system test comprises parameter setting, performance index confirmation and monitoring alarm.
Based on the technical scheme, the three-dimensional virtual simulation modeling, the industrial operating system and the big data analysis technology are integrated to realize dynamic flow simulation of the reactive distillation production unit, data with flexibility and authenticity are provided, various application scenes and test environments are provided, and a simulation test platform which is closer to reality is provided for the performance of the industrial intelligent system.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application and do not constitute an undue limitation on the application.
FIG. 1 is a block diagram of a reactive distillation intelligent plant simulation test system according to an embodiment of the present application.
FIG. 2 is a schematic flow chart of a method of developing an industrial operating system based reactive distillation intelligent plant simulation test system in accordance with an embodiment of the present application.
FIG. 3 is a block diagram of a test platform of a reactive distillation intelligent plant simulation test system, according to an embodiment of the present application.
FIG. 4 is an architecture diagram of a three-dimensional simulation module of a reactive distillation intelligent plant simulation test system according to an embodiment of the present application.
Fig. 5 is a diagram of a test development framework of a reactive distillation intelligent plant simulation test system according to an embodiment of the present application.
FIG. 6 is a flow chart of an implementation of a reactive distillation intelligent plant simulation test system in accordance with an embodiment of the present application.
FIG. 7 is a diagram of an industrial operating system experimental model architecture according to an embodiment of the present application.
FIG. 8 is a schematic diagram of the construction of a reactive distillation intelligent plant simulation test system according to an embodiment of the present application.
FIG. 9 is a schematic diagram of a platform page display of a reactive distillation intelligent plant simulation test system according to an embodiment of the present application.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
UI (User Interface) is a medium for interaction and information exchange between a system and a User, which enables conversion between an internal form of information and a human-acceptable form. The user interface is designed to be interactive communication related software between the user and the hardware, so that the user can conveniently and effectively operate the hardware to achieve bidirectional interaction, the work expected to be completed by the hardware is completed, the user interface is widely defined and comprises a man-machine interaction and a graphic user interface, and the user interface exists in the field of information communication between human beings and machines.
Unity3D refers generally to Unity (game engine), which is a real-time 3D interactive content authoring and operation platform. All creators including game development, art, construction, car design, film and television, become realistic with the aid of Unity.
WebGL (Web Graphics Library, network graphics library) is a 3D drawing protocol.
Aiming at a multi-unit reaction and separation production process and a reactive distillation strengthening process, the embodiment of the application utilizes a process simulation technology to hydrolyze an A+B-C ideal system and methyl acetate to produce an object by actual reactive distillation based on a strict dynamic process model and actual industrial design data, simulates actual production scenes under different process conditions, establishes a complete complex control virtual simulation application and test platform, and enables high-risk, unreachable or irreversible operation, high cost, high consumption, large or comprehensive training and the like to be safely carried out.
The embodiment of the application provides a reactive distillation intelligent factory simulation test system based on an industrial operating system, which is shown in fig. 1 and comprises an experimental model module, a three-dimensional simulation module and a data interaction module.
The experimental model module comprises a dynamic model for simulating the whole reaction rectification process and an experimental object example; wherein the dynamic model is obtained based on a mathematical model of a reactive distillation process under the architecture of an industrial operating system; the dynamic model acquires input data through the object attribute of the experimental object instance;
the three-dimensional simulation module comprises a three-dimensional virtual simulation process model for simulating a reactive distillation process and a relational database, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment; the three-dimensional virtual simulation process model is embedded into a platform of a simulation test system developed based on an industrial operation system in a webpage assembly mode, a PID control algorithm is adopted by the controller, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model; the relational database is used for storing related data of the three-dimensional virtual simulation process model;
the data interaction module is used for realizing data interaction between the experimental model module and the three-dimensional simulation module through an API (application program interface) of the three-dimensional simulation module;
and the output result of the controller of the three-dimensional virtual simulation process model is stored in the object attribute of the experimental object instance through the data interaction module.
The test system of the embodiment of the application provides a single-loop control of an intermittent reactor and virtual reality simulation of complex multi-loop control of a reactive rectification process, realizes real scene reproduction of production detection and control equipment, can know the production process flow from a first view angle, looks over the structure and the working principle of an on-site detection instrument, and can also be used for disassembling and assembling the execution mechanisms such as the detection instrument, the regulating valve and the like manually.
Corresponding to the reactive distillation intelligent factory simulation test system based on the industrial operation system, the embodiment of the application also provides a development method of the reactive distillation intelligent factory simulation test system based on the industrial operation system. As shown in fig. 2-9, the development method may include the following steps.
S101, building a system platform of a reactive distillation intelligent factory simulation test system based on an industrial operating system architecture.
The system platform is called a reactive distillation intelligent industrial APPs test platform on a page.
In this embodiment, the industrial operating system architecture selects a supOS industrial operating system, and typesetting combination, style design and binding data development industrial APP page configuration can be performed in a dragging and pulling manner through charts, forms, controls, primitives, custom controls and the like, and visual definition of the controls is achieved through online configuration of object attributes.
The system platform can provide controls such as charts, forms, controls and primitives required by industrial APP page configuration development, supports visual definition of the controls through online configuration of attributes, supports joint binding of interaction events and data content, and meets design requirements such as flow monitoring, online reports, workflow management and trend graph analysis.
S102, creating a three-dimensional end, namely respectively creating a system module control and a system UI interface through a Unity3D, and building a three-dimensional virtual simulation process model for simulating a reactive rectification process, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment, as shown in FIG. 3, the controller adopts a PID control algorithm, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model;
in one embodiment, building a three-dimensional virtual simulation process model for simulating a reactive distillation process, comprising:
based on process analysis of the reactive distillation production process, performing three-dimensional virtual modeling through Unity 3D;
mapping and baking all models obtained by the three-dimensional virtual modeling, exporting all models, converting the models into a format required by the Unity3D software, and importing the models into a Unity3D engine to create a virtual assembly system.
For example, building a three-dimensional virtual simulation process model of a reactive distillation production process, including building equipment simulation models of a reactor, a rectifying tower, an instrument and the like, building the equipment simulation models into a factory model, adjusting the factory model to proper sizes and positions, and mapping and baking all the models; and then exporting and converting all the three-dimensional virtual simulation process models into a format required by the Unity3D software, and importing the three-dimensional virtual simulation process models into a Unity3D engine to create a virtual assembly system.
The three-dimensional virtual simulation process model (also called as a three-dimensional simulation model) reads and writes data through a business logic program and an interactive program based on a MySQL database.
The PID control algorithm is based on a mathematical model of the reactive distillation process.
The embodiment of the application provides an industrial operating system-based reactive distillation intelligent factory APPs simulation test platform. The platform displays the original visual effect of the equipment through a three-dimensional virtual design; comprises a typical operation unit reactor in the process industry and production process control of a rectifying tower; the system also comprises main equipment, pipelines, factory arrangement, adjustment control schemes and operations; comprises a detection instrument model selection, an air switch action mode of a regulating valve and a working flow characteristic.
In this embodiment, the UI front end develops a three-dimensional process flow model and an operating environment oriented to real engineering, and develops an interactive function through a three-dimensional drawing technology, an imaging technology and a c# language. And developing related system module controls and system UI interfaces in combination with the C# programming design.
In one implementation, the UI base control (i.e., root class) of the system UI interface takes Canvas as the root class, and the parameter settings include Position, rotation, scale, anchor present, and the like. All UGUI controls may choose to draw on such root classes, e.g., text controls, image controls, and Button controls in the interface. After the button is clicked, the next instruction is triggered.
S103, acquiring a mathematical model of the reactive distillation process, and acquiring a dynamic model of the whole reactive distillation process according to the mathematical model through a big data module of an industrial operating system, wherein the dynamic model acquires input data through object attributes of experimental object examples.
It will be appreciated that experimental management at the industrial operating system supOS provides a platform for experimental model management for unified management of experimental models.
In one embodiment, as shown in fig. 7, the obtaining a mathematical model of the reactive distillation process, and obtaining, by a big data module of an industrial operating system, a dynamic model of the reactive distillation whole process according to the mathematical model includes:
based on a reaction process dynamics model and a rectifying tower CESH mechanism model, writing a mathematical model of a reaction rectifying process into a functional module through a software code, and packaging the functional module into a custom assembly in the system platform;
based on the custom assembly, building a first model of the whole process of reactive distillation from input to output in experimental management of an industrial operating system;
obtaining model input and a training set, and operating the first model through the system platform to obtain a model structure, wherein the model input is the initial opening of a valve related to a reactive distillation process, and the training set comprises a plurality of parameters related to the reactive distillation process;
and releasing the model structure to obtain an experimental model, defining the experimental model as an experimental task, setting the limit of the number of the experimental task operation data and time intervals, and repeatedly operating the experimental model in the experimental task to obtain a dynamic model.
After the steps are completed, the dynamic model can continuously run in the industrial operation system.
Optionally, a mathematical model of the reactive distillation process is obtained, and the mathematical model is written through python codes to form a functional module, and the functional module is packaged into a custom component.
It will be appreciated that experimental management of the industrial operating system supOS requires that the experimental model be defined first as an experimental task, which may define an experimental run period, e.g., run the experimental model once per second. The experimental model is repeatedly operated in the experimental task, and the operation is equivalent to obtaining a dynamic model. And forming a repeated cycling dynamic process according to the input and output of the dynamic model and the opening of the valve output by the controller combined with the three-dimensional virtual simulation process model. Except that this dynamic process requires a start condition that starts the dynamic process through the training set and model inputs.
It can be appreciated that the dynamic model can run in the industrial operating system only when the starting conditions are input, and the dynamic calculation process is realized. The training set and model input is the given initial input, and the system platform forms a dynamic model after initial operation based on the training set and model input. And updating the input and output of the experimental model of the industrial operating system every time the experimental task of the industrial operating system runs out.
It will be appreciated that each industrial operating system instance corresponds to a variable, and that each variable may be defined and assigned, for example, a temperature of 1. The industrial operating system experimental object instance is equivalent to a data transfer station of the industrial operating system, and experimental data required in the industrial operating system experimental model are all obtained from the industrial operating system experimental object instance. The definition and assignment of the subject instances gives the subject a specific meaning.
And the valve opening output by the controller of the three-dimensional virtual simulation process model is transmitted to the object attribute of the experimental object instance of the industrial operating system through the data interaction module and the data interaction. The valve opening is used as input, and the dynamic model calculates according to the valve opening to obtain an experimental output result.
In this embodiment, the valve opening output by the controller of the three-dimensional virtual simulation process model is used as input of a dynamic model, the mathematical model of the reactive distillation process built through encapsulation is input for calculation, and parameters such as temperature, flow and the like of the reactive distillation process obtained by the mathematical model are output. After the three-dimensional end receives the operation result data of the dynamic model, the control simulation effect of the experiment of the three-dimensional end is updated, and the output of the updated controller is sent to an industrial operation system.
S104, releasing Web versions of the system module control, the system UI interface and the three-dimensional virtual simulation process model which are created by the three-dimensional end, and embedding the Web versions into the system platform in a webpage component module mode through an industrial operating system; and creates an API interface for external calls.
In this embodiment, the development result of the three-dimensional end is issued as the latest WebGL version, so as to implement the HTTP page integration mode without plug-ins; the development result of the three-dimensional end can be embedded into a system platform through a webpage component of an industrial operating system to form a complete experimental platform.
In the embodiment, an HTTP webpage mode of a B/S architecture is adopted, and based on a client access mode of a special Web browser server, virtual simulation experiment items can be issued as the latest WebGL version, so that an HTTP page integration mode without plug-ins is realized; the user terminal can directly access the reactive distillation intelligent industrial APPs testing platform by using a web browser supporting WebGL.
The API interface of the industrial operating system for external calling needs to be developed separately, and the API interface is used for realizing real-time interaction between the external application and the data of the industrial operating system.
S105, based on the three-dimensional virtual simulation process model, the dynamic model and the acquired real-time data of the reactive distillation experiment control process, realizing the system test of the reactive distillation intelligent factory simulation test system, wherein the system test comprises parameter setting, performance index confirmation and monitoring alarm.
In the test process, PID parameters and set values can be input into the three-dimensional virtual simulation process model, and the control result output by the controller for running the calculation of the three-dimensional virtual simulation is sent and stored in the object attribute of the corresponding experimental object in the system platform.
And periodically running a dynamic model of a reactive distillation experimental process based on a big data module of the system platform, calculating parameters such as temperature, flow and the like, transmitting the parameters to corresponding object attributes of the platform, and reversely transmitting the parameter changes to three-dimensional virtual simulation through interface parameters carried in the authorization instructions.
The object attributes are read by the dynamic model at intervals as input values, running is carried out in the dynamic model, the output result of the dynamic model after calculation is completed is returned to the three-dimensional virtual simulation process model through the API interface of the data interaction module, and then the temperature and the flow in the three-dimensional virtual simulation process model are changed. The three-dimensional virtual simulation process model and the dynamic model realize bidirectional input and output circulation through an API interface.
The main construction content of the reactive distillation intelligent factory simulation test system in the embodiment of the application comprises the following steps: a mechanism model of a reactive distillation process is built, and the reactive distillation process relates to instrument selection, design of a reactive distillation experimental control system, intelligent control of an industrial process and the like. The platform page of the reactive distillation intelligent factory simulation test system is presented.
The system platform of the application realizes the functions of dynamic test response process, complex control parameter setting, system test debugging, safety emergency interlocking and the like under different operation conditions of reactive distillation. The system platform can complete the comprehensive design experiment process of the multivariable control scheme under different operation conditions by knowing the technological processes of three experimental systems, namely simple control of the intermittent reaction of the benzylamine, complex control of the reactive distillation process and control of the reactive distillation process of the methyl acetate, and develop multi-dimensional and multi-level experiments of a reactive distillation process model (model), instrument and meter type selection (sense), a complex control system (control) and intelligent control APP (intelligent) as shown in fig. 8.
According to the development method of the reactive distillation intelligent factory simulation test system based on the industrial operation system, the dynamic flow simulation of the reactive distillation production unit is realized by integrating three-dimensional virtual simulation modeling, the industrial operation system, big data analysis technology and the like, data with flexibility and authenticity, various application scenes and test environments are provided, and the reactive distillation intelligent factory simulation test system is used for reactive distillation industrial intelligent APP s System performance provides a more realistic simulation test platform.
According to the embodiment of the application, a dynamic model is built through a big data module of a system platform, as shown in fig. 3, a mathematical model of reactive distillation is built, and a classical PID calculation algorithm is introduced. The method comprises the steps of building a whole process model structure from input to output in experimental management of an industrial operating system, completing debugging and release of experimental tasks, starting the released experimental tasks, setting limit of the number of running data and time interval, and continuously running in the industrial operating system by completing a dynamic model obtained in the steps.
Wherein, the mathematical model of the reactive distillation process comprises the following expression:
the mechanism model of the whole reaction rectification process is described by analyzing the internal mechanism of the whole reaction rectification process and applying the principles of conservation of momentum, conservation of heat, conservation of mass and reaction dynamics, the model structure and internal connection of the process are established, and the expression of the process model is obtained by solving the principles of mathematics and control theory.
The reactor was a jacketed cooled CSTR in which the irreversible reactions occurred as follows:
A+B→C
wherein R is C Yield as C; c (C) A The concentration of A in the reaction kettle; c (C) B The concentration of B in the reaction kettle.
Assuming constant density, the kinetic model of the reactor and jacket can be expressed by four nonlinear equations as follows:
wherein F is A0 For the material feed flow rate A, C A0 Concentration of reactant A, F B0 For the material feed flow rate B, C B0 Concentration of reactant B, V R D is the overhead take-off flow, x, for the reactor volume DA For the concentration of A in the overhead reflux, F is the reactor outlet flow, z A For concentration of A in the reactor outlet flow, x DB For the concentration of A in the overhead reflux, z B For the concentration of A in the reactor outlet flow, D vol For overhead reflux volume flow, F vol T for the reactor outlet volumetric flow rate R T is the reactor temperature 0 At an initial temperature T J For cooling water temperature, A J For giving heat coefficient, ρ is density, C P Is of heat capacity, T Cin For the feed temperature, U is the total heat transfer coefficient, ρ J For cooling water density, C J Is the cooling water heat capacity.
The mole fractions of each stage of trays were calculated as follows:
wherein M is n The molar liquid holdup on the tray is L is the liquid flow rate, V is the vapor flow rate, x is the liquid component, and y is the vapor component.
Assuming that each tray reaches a gas-liquid equilibrium, the neat composition can be calculated from the known relative volatilities and liquid compositions:
in this experiment, α was taken A ，α B ，α C 3,1.5,1 respectively.
The flow rates of the reflux tank and the tower kettle and the relation of the components are as follows:
and (3) tower kettle:
and (3) a reflux tank:
wherein P is the bottom extraction flow, D is the top extraction flow, M P x PA Is the molar mass of P, M D Is the molar mass of D, x PA Is the mole fraction of A in P, x PB Is the mole fraction of B in P, x DA Is the mole fraction of A in D, x DB The mole fraction of B in D, and NT is the number of trays.
And writing the mathematical model of the reactive distillation process through Python codes to form a functional module, and packaging the functional module into a custom assembly.
As shown in fig. 6, by the process analysis of the reactive distillation production process, on one hand, a dynamic mechanism model of the reactive distillation production process is obtained through strong coupling and nonlinear processing, namely a mathematical model of the reactive distillation process is obtained; on the other hand, industrial production data are obtained by analysis. And then completing a dynamic control scheme of the reactive distillation process based on the dynamic model of the reactive process and the CESH mechanism model of the rectifying tower, performing three-dimensional virtual modeling according to the dynamic control scheme, combining a process simulation technology, an industrial database and an industrial operating system architecture, and finally realizing the APPs simulation test platform of the reactive distillation intelligent factory.
As shown in fig. 9, the system platform of the present embodiment includes a monitoring interface for grasping an adjustment method of operating parameters such as temperature, flow, liquid level, pressure, etc.; including complex control principles such as PID control, cascade control, multi-loop coupling control, etc.
According to the embodiment of the application, a three-dimensional interactive, three-dimensional and intelligent virtual simulation experiment scene is constructed by fusing a process mechanism model and actual industrial data according to the actual reactive distillation process operation environment. The virtual simulation experiment scene provides application scenes such as a multivariable dynamic control test and the like aiming at the actual reactive distillation production process based on a strict reactive dynamics model and an MESH distillation separation model through data with flexibility and authenticity generated by the simulation of a reactive distillation unit flow.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. The specification and examples are to be regarded in an illustrative manner only.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (4)
1. An intelligent reactive distillation factory simulation test system based on an industrial operating system, which is characterized by comprising:
the experimental model module comprises a dynamic model for simulating the whole reaction rectification process and an experimental object example; wherein the dynamic model is obtained based on a mathematical model of a reactive distillation process under the architecture of an industrial operating system; the dynamic model acquires input data through the object attribute of the experimental object instance;
the three-dimensional simulation module comprises a three-dimensional virtual simulation process model for simulating a reactive distillation process and a relational database, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment; the three-dimensional virtual simulation process model is embedded into a platform of a simulation test system developed based on an industrial operation system in a webpage assembly mode, a PID control algorithm is adopted by the controller, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model; the relational database is used for storing related data of the three-dimensional virtual simulation process model;
the data interaction module is used for realizing data interaction between the experimental model module and the three-dimensional simulation module through an API (application program interface) of the three-dimensional simulation module;
the output result of the controller of the three-dimensional virtual simulation process model is stored in the object attribute of the experimental object instance through the data interaction module;
the development method of the reactive distillation intelligent factory simulation test system based on the industrial operation system comprises the following steps:
s1, building a system platform of a reactive distillation intelligent factory simulation test system based on an industrial operation system architecture;
s2, creating a three-dimensional end, namely respectively creating a system module control and a system UI interface through a Unity3D, and building a three-dimensional virtual simulation process model for simulating a reactive rectification process, wherein the three-dimensional virtual simulation process model comprises an equipment simulation model, a controller, a factory model and a virtual environment, the controller adopts a PID control algorithm, and the output of the controller is the valve opening of a valve in the three-dimensional virtual simulation process model;
s3, acquiring a mathematical model of a reactive distillation process, and acquiring a dynamic model of the whole reactive distillation process according to the mathematical model through a big data module of an industrial operating system, wherein the dynamic model acquires input data through object attributes of an experimental object instance;
s4, releasing Web versions of the system module control, the system UI interface and the three-dimensional virtual simulation process model which are created by the three-dimensional end, and embedding the Web versions into the system platform in a webpage assembly mode through an industrial operating system; creating an API interface for external calling;
s5, based on the three-dimensional virtual simulation process model, the dynamic model and the acquired real-time data of the reactive distillation experiment control process, realizing the system test of the reactive distillation intelligent factory simulation test system, wherein the system test comprises parameter setting, performance index confirmation and monitoring alarm.
2. The reactive distillation intelligent factory simulation test system based on an industrial operation system according to claim 1, wherein the building of the three-dimensional virtual simulation process model for simulating the reactive distillation process comprises:
based on process analysis of the reactive distillation production process, performing three-dimensional virtual modeling through Unity 3D;
mapping and baking all models obtained by the three-dimensional virtual modeling, exporting all models, converting the models into a format required by the Unity3D software, and importing the models into a Unity3D engine to create a virtual assembly system.
3. The intelligent factory simulation test system for reactive distillation based on industrial operation system according to claim 2, wherein the obtaining mathematical model of reactive distillation process and obtaining dynamic model of reactive distillation whole process by big data module of industrial operation system according to the mathematical model comprises:
based on a reaction process dynamics model and a rectifying tower CESH mechanism model, writing a mathematical model of a reaction rectifying process into a functional module through a software code, and packaging the functional module into a custom assembly in the system platform;
based on the custom assembly, building a first model of the whole process of reactive distillation from input to output in experimental management of an industrial operating system;
obtaining model input and a training set, and operating the first model through the system platform to obtain a model structure, wherein the model input is the initial opening of a valve related to a reactive distillation process, and the training set comprises a plurality of parameters related to the reactive distillation process;
and releasing the model structure to obtain an experimental model, defining the experimental model as an experimental task, setting the limit of the number of the experimental task operation data and time intervals, and repeatedly operating the experimental model in the experimental task to obtain a dynamic model.
4. The reactive distillation intelligent plant simulation test system based on the industrial operation system according to claim 3, wherein the system test of the reactive distillation intelligent plant simulation test system based on the three-dimensional virtual simulation process model, the dynamic model and the acquired real-time data of the reactive distillation experimental control process is realized, and the system test comprises:
transmitting and storing the valve opening output by the controller of the three-dimensional virtual simulation process model into the object attribute of the corresponding experimental object instance in the system platform through a data interaction module;
the dynamic model takes the valve opening in the object attribute as input, the mathematical model of the reactive rectification process in the dynamic model is periodically calculated, the calculated temperature and flow parameters are transmitted to the object attribute of the experimental object instance corresponding to the system platform, and the temperature and flow parameter changes are reversely transmitted to the three-dimensional virtual simulation process model through interface parameters carried in an authorization instruction.
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