CN111932970A - Production, study and research combined scene type remote experiment teaching device and design method - Google Patents
Production, study and research combined scene type remote experiment teaching device and design method Download PDFInfo
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Abstract
The invention discloses a production and study combined scene type remote experiment teaching device and a design method, which belong to the field of scene type remote experiments, wherein an experimental environment is set up and comprises a mathematical model, a three-dimensional scene, a simulator, a production data synchronizer and the like of an experimental object; establishing an experiment server, and connecting links required by the experiment system through information data intercommunication; then, the experimental system is integrated into a cloud server cluster through a data interface of an experimental server, and then the experimental system is connected to different user end platforms through the cloud server cluster; the user operates on the user side interface, and the operation instruction is transmitted to the remote experiment device through the network, so that the purpose of remotely controlling the experiment system is achieved. The invention combines the medium and large-scale equipment, scenes and experimental projects with high risk required in the traditional experiment into the network remote experiment, so that an operator can carry out remote experimental operation through a user end platform. And can advantageously extend the presentation of conventional experimental systems.
Description
Technical Field
The invention belongs to the field of scene-type remote experiments, and particularly relates to a scene-type remote experiment teaching device with the combination of obstetrical and scientific research and a design method.
Background
Remote experiments are research hotspots and difficulties in the field of current teaching experiments, particularly disciplines which need a large number of experimental practice links for engineering disciplines and science disciplines, and when large-scale scene experiments and high-risk experiments are faced, the existing material teaching experiment resources cannot improve enough experimental support, so that a large difference is generated between theory teaching and production practice. With the research of information technology and remote experiment technology, at present, part of large-scale scenes and complex experiments can be subjected to virtual simulation through a large-scale simulation machine or simulation software, but due to the technical limitation and expensive and huge experimental equipment, a user can only perform experiments in a specific experimental place, the equipment is difficult to maintain and cannot be shared, and meanwhile, due to the fact that the experimental process is complicated, the details are large, the experimental time is long, and the requirements of repeated experiments, detail scaling, experiment progress adjustment and the like cannot be met by the existing experimental method. And cannot be compared with actual production. Most of the existing remote experiments are small control systems with simple systems and single objects, and the requirements of complex experiments cannot be met. Therefore, it is necessary to combine the two devices to study the teaching device and design method of the experimental and research scenario.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a production and research combined scene type remote experiment teaching device and a design method thereof, so as to expand the audience range of the frontier technology, complete the application of a networked remote experiment system on large and complex scene type experiment objects, realize the integration of the production and research, enhance the convenience, the safety and the sharability of the scene type remote experiment teaching device, and promote the production and research mutually.
To achieve the above object, according to one aspect of the present invention, there is provided a scenario-based remote experiment teaching apparatus combining obstetrical and scientific research, including: a data hardware platform and an experimental scene part;
the data hardware platform comprises an algorithm operation controller, a data synchronizer and an industrial experiment server; the experimental scene part comprises experimental system three-dimensional equipment, a scene model, a simulation control center, a data synchronization system, an experimental service system and a simulation monitoring interface;
the algorithm operation controller is used for realizing remote control on the controlled experiment system;
the data synchronizer is used for synchronizing the actual production data of the industrial application scene to the industrial experiment server through a communication protocol and storing the actual production data for experiment calling and comparison;
the industrial experiment server is used for connecting actual production data, experimental system three-dimensional equipment and a scene model, the algorithm operation controller and theoretical teaching to form a complete production and study test system;
the experimental system three-dimensional equipment and the scene model are three-dimensional image models which are manufactured by taking actual production equipment and scenes as blueprints, the running state of the system can be displayed in real time, and the equipment can be clearly displayed through a three-dimensional section;
the simulation control center is a central control room of the controlled experiment system and comprises administrator operation stations with different levels, and related monitoring interfaces and control level differences are correspondingly arranged in each station;
the data synchronization system is used for synchronizing actual production data on time for the experiment system to use;
the experiment service system is used for reasonably scheduling and optimizing experiment resources and ensuring the effective operation and data transmission of the experiment system;
the simulation monitoring interface is a visual monitoring interface, is directly related to equipment operation data, restores a monitoring picture of a control room in actual production and is more comprehensive in experimental cognition.
Preferably, the algorithm operation controller is used for building a schematic block diagram of a control object and/or an experimental system in the controlled experimental system based on MATLAB/Simulink, generating an executable code through real-time works, and in the operation process of the executable code, a user can adjust each variable of the controlled experimental system at any time.
According to another aspect of the present invention, there is provided a design method of a scenario-based remote experimental teaching apparatus combining research and production, comprising:
(1) building a data hardware platform of a controlled experiment system, wherein the data hardware platform comprises an algorithm operation controller, a data synchronizer and an industrial experiment server;
(2) the data synchronization is realized through a data synchronizer, and the data synchronizer is in data butt joint with an actual production data interface of an industrial application scene, so that the real-time synchronous transmission and storage functions of data are realized;
(3) the remote control of the controlled experimental system is realized through the algorithm operation controller;
(4) building a three-dimensional device and a scene model of a controlled experimental system through an algorithm operation controller;
(5) a monitoring interface of the central control room is built by using configuration software, and required field data acquisition point data, monitoring interface monitoring data and experimental operation data are associated;
(6) and the industrial experiment server is connected with actual production data, experimental system three-dimensional equipment and a scene model, the algorithm operation controller and theoretical teaching to form a complete production, study and research experimental system.
Preferably, step (3) comprises:
(3.1) abstracting a control object of the controlled experimental system and/or a control principle of the experimental system, and establishing a corresponding mathematical model according to the control principle;
(3.2) according to the established mathematical model, building a schematic block diagram in MATLAB/Simulink, carrying out simulation verification on the control principle according to the actual operation condition, and taking the mathematical model without error as a simulation model;
and (3.3) taking the running step length as a variable through the modified Real-Time works running mode of Simulink, so that an operator can change the step length in the running process, flexibly adjust the running Time, and finally realize the remote control of the experimental system.
Preferably, step (4) comprises:
(4.1) acquiring the appearance and arrangement complete picture of three-dimensional equipment of the experimental system, and then utilizing three-dimensional modeling software to reconstruct a three-dimensional model of each control object in the controlled experimental system to restore an actual production scene;
and (4.2) making a data model interface, associating the three-dimensional model with the variable parameters corresponding to the mathematical model, and associating the three-dimensional model action according to the actual engineering requirement.
Preferably, the algorithm operation controller, the data synchronizer and the industrial experiment server are all separate devices, and the devices are connected through data intercommunication, and have no mutual interference, and can be deployed in a centralized manner or in a distributed manner.
Preferably, the three-dimensional device and the scene model of the experimental system are both reconstructed by three-dimensional scanning or directly three-dimensionally rendered, and the three-dimensional model can be modified and replaced according to the change of the control object.
Preferably, step (2) comprises:
and synchronizing actual production data to the experiment system through the data synchronizer, and comparing the actual production data with the simulation result of the experiment simulation algorithm through the instruction of the industrial experiment server.
Preferably, the method further comprises:
and connecting the industrial experiment server with the network experiment server, and establishing an access interface so that a user can access an experiment platform of the experiment system through the link of the network experiment server.
Preferably, the method further comprises:
establishing an assessment system, and judging the completeness and accuracy of the experiment according to user operation data, thereby giving an experiment score, wherein the user operation data comprises: experimental procedures, experimental specifications and experimental key data.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
the invention combines large-scale equipment, scenes and experimental projects with higher risk required in the traditional experiment into the network remote experiment, an operator can carry out experimental operation at a user end, and the invention connects on-site production data in real time through a network, thereby constantly changing the normal running state of the whole equipment and achieving the aim of simulating actual equipment; meanwhile, the running state of the equipment in the three-dimensional simulation scene is changed by adjusting the control requirement of the experiment system, so that an operator can see the change condition of each data through the control interface of the user side, and can switch various monitoring interfaces at any time, thereby achieving the effect of multi-directional simulation on the site. The method can effectively expand the presentation form of the traditional experiment, ensures that the experiment is carried out reliably and safely, can increase the understanding and cognition of students on the actual production scene, can stimulate the imagination and creativity of the students through repeated and repeated experiments, can analyze and guide the actual production work through the research of an innovative algorithm while carrying out system cognition teaching by using actual data, and has wide application prospect.
Drawings
FIG. 1 is a schematic structural diagram of a scenario-based remote experimental teaching apparatus for research and production according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for designing a scenario-based remote experimental teaching apparatus with integrated research and production according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a scene-type remote experimental apparatus of a drum water level control system of a process control system of a thermal power plant according to an embodiment of the present invention;
fig. 4 is a block diagram of a control method of a thermal power plant process control system drum water level control system in MATLAB/Simulink according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention discloses a scene type remote experiment teaching device and a design method which are combined with the obstetrical research and research, wherein a remote experiment platform is used for carrying out remote monitoring, the remote adjustment and control of a scene type experiment are realized, the change of the controlled experiment system (such as a steam drum water level control system for the process control of a thermal power plant in the subsequent embodiment) control quantity can be intuitively sensed through the change of a three-dimensional scene model, meanwhile, the required observed quantity value can be displayed through visual monitoring configuration, the accuracy of the model and the design method can be verified through combining actual production data, and the production practice can be assisted and guided. The method is favorable for expanding the audience range of the front-edge technology, thereby enhancing the convenience, the safety and the sharability of the scene type remote experiment teaching device, and the research and development of the obstetrics and the study are mutually promoted.
Example one
The structure diagram of the device system of the invention is shown in fig. 1, the main body of the invention is a scene type remote experiment teaching device combined with the research and development of the industry and the study, which carries out remote control based on complex process, large-scale equipment and experiment scene, and comprises: a data hardware platform and an experimental scene part of the experimental system;
the data hardware platform comprises: the system comprises an algorithm operation controller, a data synchronizer and an industrial experiment server; the experimental scene part comprises: the system comprises three-dimensional equipment and a scene model of an experimental system, a simulation control center, a data synchronization system, an experimental service system and a simulation monitoring interface;
the algorithm operation controller is used for controlling the operation of the experimental system, a schematic block diagram of the controlled experimental system is built based on MATLAB/Simulink, an executable code is generated through real-time works, and in the operation process of the executable code, a user can adjust variables such as input quantity, system parameters, simulation step length and the like of the controlled experimental system at any time;
in the embodiment of the invention, the algorithm operation controller can be implemented on the basis of a terminal device such as a computer based on a common operating system such as Windows or Linux system.
The data synchronizer is used for synchronizing the actual production data of the experimental scene to the industrial experimental server through a communication protocol and storing the actual production data for experiment retrieval and comparison;
the industrial experiment server is realized based on terminal equipment such as a server which comprises the functions of experiment system coordination, data exchange, instruction transmission and the like, and is used for connecting parts such as actual production data, three-dimensional equipment and a scene model of the experiment system, a data synchronizer, theoretical teaching and the like to form a complete production and study test system;
the theory teaching part is the embodiment of the teaching function, a user can know the working principle of the controlled experiment system through theory learning, and the experiment phenomenon under the guidance of the theory is verified and analyzed through the experiment part, so that the part of knowledge can be learned more comprehensively.
The three-dimensional equipment and the scene model of the experimental system are three-dimensional image models which take actual production equipment and scenes as blueprints and are manufactured in an infrared scanning or other modes, the conditions of equipment facility arrangement, equipment connection, production processes, power supply and distribution and other supporting facilities in the actual scenes can be displayed in an all-around and multi-angle mode, the three-dimensional equipment and the scene model of the experimental system can display the operation conditions of the controlled experimental system in real time according to the input (the input data source is algorithm operation data or actual operation data of a production field) of the three-dimensional equipment and the scene model, the operation conditions comprise digital quantity, analog quantity, valve opening condition and other indicating quantity, and each actual production equipment can be clearly displayed through a three-dimensional section;
the simulation control center is a central control room of the thermal power plant and comprises administrator operation stations of different levels, and related monitoring interfaces and control level differences are correspondingly arranged in all the stations;
for example, in a process control system of a thermal power plant, the part comprises an operator station, an on-duty station, an engineer station and the like, and each station comprises key data of a field data acquisition point, a unit operation condition, a furnace monitoring picture and the like;
the data synchronization system is based on a data synchronizer and is used for synchronizing actual production data to the data synchronizer on time for the experiment system to use;
the experiment service system reasonably schedules and optimizes experiment resources to ensure the effective operation and data transmission of the experiment system;
the simulation monitoring interface is a visual monitoring interface, is directly related to equipment operation data (algorithm operation data or actual operation data of a production field), restores a monitoring picture of a control room in actual production, and is more comprehensive in experimental cognition.
The theoretical teaching part is included in a theoretical learning and configuration part of system software, and assists teachers to conduct theoretical teaching and experimental improvement through analysis of experimental processes of users.
Furthermore, the remote experimental device integrating the production, study and research can be integrated into a cloud server cluster through a data interface of an industrial experimental server, and then is connected to different user end platforms through the cloud server cluster; the user operates on the user side interface, and the operation instruction is transmitted to the remote experiment device through the network, so that the purpose of remotely controlling the experiment system is achieved.
In the embodiment of the present invention, as shown in fig. 2, the method for designing a scenario-based remote experimental teaching apparatus combined with research and production includes the following steps:
s1: building a data hardware platform of a controlled experiment system, wherein the data hardware platform comprises an algorithm operation controller, a data synchronizer and an industrial experiment server;
in the embodiment of the invention, the established experiment system hardware platform comprises the algorithm operation controller, the data synchronizer and the industrial experiment server which are all separated and independent devices, the devices are connected through data intercommunication, the devices are not interfered with each other, the installation is convenient and flexible, the centralized deployment and the distributed deployment can be realized, particularly for a plurality of control devices or scenes, the algorithm operation controller and the data synchronizer can be deployed in different places, and finally the experiment server is used for communicating all the parts.
S2: the data synchronization is realized through a data synchronizer, and the data synchronizer is in data butt joint with an actual production data interface of an industrial application scene, so that the real-time synchronous transmission and storage functions of data are realized;
in the embodiment of the present invention, in step S2, the data synchronizer is used to synchronize the actual production data to the experimental system, and compare the actual production data with the simulation result through the instruction of the industrial experimental server. Breaks the gap of the obstetrical and scientific research and intercommunicates the data of production, teaching and research.
In the embodiment of the invention, the actual data is compared with the three-dimensional model to verify the accuracy and stability of the three-dimensional simulation model and the mathematical model, so that the reliability of the experimental system is stronger, the aim of enhancing the combination of theory and practice is achieved, and meanwhile, the experimental control method can be further analyzed and improved according to the deviation of the actual production data and the simulation experimental data, thereby forming the function of researching the control method. In addition, the feasibility of the innovative method can be verified, and the method capable of improving the production index can be fed back to a production unit for guiding actual production and realizing the integration of production, study and research.
S3: the remote control of the controlled experimental system is realized through the algorithm operation controller;
as a preferred embodiment, step S3 can be implemented as follows:
step S3.1: abstracting a control object of a controlled experimental system and/or a control principle of the experimental system, and establishing a corresponding mathematical model according to the control principle;
the mathematical model is used for describing the control principle of the controlled experimental system.
Step S3.2: according to the established mathematical model, building a schematic block diagram of a control object and/or an experimental system in MATLAB/Simulink, carrying out simulation verification on a control principle according to an actual operating condition, and taking the mathematical model without errors after verification as a simulation model;
step S3.3: the operation step length is used as a variable through a modified Real-Time works hop (RTW) operation mode of Simulink, so that an operator can change the step length in the operation process, flexibly adjust the operation Time length, and finally realize the remote control of the experiment system.
In the embodiment of the present invention, in step S3, the experiment control object and the control method may be replaced as desired. And aiming at different control objects, establishing a simulation mathematical model, designing a reasonable control method, performing simulation verification in MATLAB/Simulink, and finally generating a remote control executable program. The method can simplify the design and construction process of a large-scale experiment system, shorten the development period, save the development cost and facilitate the deployment.
In the embodiment of the present invention, in step S3, in the design process of the experimental method, the simulation step length is also used as one of the adjustable parameters, and then the user can adjust the simulation step length according to the experimental requirements during the simulation operation process, flexibly control the control process, and particularly, for the experimental object with a long control process, can reasonably and flexibly select the simulation step length, avoid unnecessary waiting, accelerate the experimental process, and improve the experimental efficiency.
S4: building a three-dimensional device and a scene model of a controlled experimental system through an algorithm operation controller;
as a preferred embodiment, step S4 can be implemented as follows:
step S4.1: acquiring the appearance and arrangement complete appearance of experimental system equipment by means of infrared scanning, actual data modeling and the like, and then utilizing three-dimensional modeling software to reconstruct a three-dimensional model of each control object in the controlled experimental system to restore an actual production scene;
step S4.2: and manufacturing a data model interface, associating the three-dimensional model with the variable parameters corresponding to the mathematical model, and associating the three-dimensional model action according to the actual engineering requirement.
In the embodiment of the present invention, in steps S2 to S4, the experiment scenario part of the scenario-based remote experiment teaching device includes: the system comprises experimental system three-dimensional equipment, a scene model, a simulation control center, a data synchronization system, an experimental service system and a simulation monitoring interface. The remote experiment algorithm, the three-dimensional equipment of the experiment system and the scene model run in the algorithm running controller, the data synchronization system is positioned in the data synchronizer, and the experiment service system, the simulation control center and the simulation monitoring interface are positioned in the industrial experiment server. The applicable communication protocols are agreed in a unified mode among all the parts, internal development and operation of each part are not affected by other links, development is flexible and convenient, the data synchronization system and the experiment service system are universal, and the data synchronization system and the experiment service system are applicable to different experiment systems or scenes and do not need to be developed independently.
In the embodiment of the present invention, in step S4, the three-dimensional device and the scene model of the experimental system may be reconstructed by three-dimensional scanning or directly three-dimensionally rendered, and the three-dimensional model may be modified and replaced according to the change of the control object. For an experiment system with high risk and high equipment cost, the safety and the repeatable operability of the experiment can be ensured, and the development cost and the development period can be controlled, so that the control object is flexibly replaced and the matching degree is higher.
S5: a monitoring interface of a central control room is built by using configuration software, and required field data acquisition point data, monitoring interface monitoring data and simulation experiment operation data are associated;
in the embodiment of the invention, in step S5, a central control room monitoring interface is established by using configuration software, and the required data acquisition point data, the monitoring interface monitoring data and the simulation experiment operation data are associated; meanwhile, an assessment system is established, and the test completion degree and accuracy are judged according to user operation data in the aspects of test flow, test specification, test key data and the like, so that test scores are given, and the method can be used for teaching feedback and improvement of users and teachers.
S6: the industrial experiment server is connected with actual production data, experimental system three-dimensional equipment and scene models, an algorithm operation controller and theoretical teaching to form a complete experimental system for production and research, and the functions of production and research data synchronization, experimental system remote control, multi-user experiment scheduling, resource allocation and the like can be realized.
In the embodiment of the present invention, in step S6, the industrial experiment server is configured to connect all the parts in order through the data interface, complete a scenario-based remote experiment teaching apparatus combining production, teaching and research, implement data interaction of production, teaching and research, and enable timely and reasonable resource allocation and device scheduling in the case of multi-user access.
Further, the method further comprises: and connecting the industrial experiment server with the network experiment server, and establishing an access interface so that a user can access an experiment platform of the experiment system through the link of the network experiment server.
In the embodiment of the present invention, in step S7, the device reserves a data interface on the experiment server to connect to the network experiment server, and connects to different experiment platforms through the interface and through the scheduling and allocation of the network experiment server, so that the user can access the scenario-based remote experiment teaching device combining the research and development through different types of clients and experiment platforms. The internal structure of the device can be distributed, and the bottom nodes are flexible and changeable; consistent access entries are arranged, and the access modes are diversified; the method is not limited to a certain remote experiment platform, and the application and the user side types used by the user are diversified; the flexibility is good, and the portability is high.
Further, the method further comprises: and (3) establishing an assessment system, and judging the completeness and accuracy of the experiment according to user operation data in the aspects of experiment flow, experiment specification, experiment key data and the like, so that an experiment score is given, and the method can be used for teaching feedback and improvement of users and teachers.
In the embodiment of the invention, the device is mainly aimed at a complete process experiment system with various devices and processes and strong coupling from industrial application and experiment scenes; secondly, the problem that repeated experiments cannot be carried out for many times due to the problems of complex experiment process, multiple links, multiple details and the like can be solved; in addition, the experiment cost and the risk are reduced, and the sharing rate and the utilization rate of experiment equipment and resources are improved.
Example two
In the embodiment, a drum water level control experiment of the process control system of the thermal power plant is taken as an example, a remote experiment control platform based on a browser is used as a basis, a drum water level value in the experiment system is controlled through an experiment server, and then the current control condition is displayed through a three-dimensional model and algorithm data, so that the remote control and the control process simulation of the drum water level control system of the thermal power plant are realized.
The structure diagram of the steam drum water level control experiment system of the process control system of the thermal power plant in the embodiment is shown in fig. 3, and the system is divided into three layers, namely a scene-type remote experiment device, a cloud server cluster and a user side. The scene type remote experimental device comprises a data synchronizer, a three-dimensional model and a mathematical model of the thermal power plant and an experimental server, wherein the actual production data and the three-dimensional model of the thermal power plant are combined into an experimental cognitive system for a user to learn the structure and the function of the real thermal power plant and learn the control process in a large-scale production practice scene; the three-dimensional model, the remote control method and the configuration interface form an experimental system for experimental verification and method innovation, and a user can guide actual power production of the thermal power plant for a method which has a good control effect and can improve production indexes; the experiment server is connected with the cloud server cluster, the lower end of the experiment server is in contact with the NCSLAb remote experiment platform, and a user can access experiment resources through a browser to perform remote control.
FIG. 4 is a block diagram of a control algorithm of a thermal power plant drum water level control system in MATLAB/Simulink, including two disturbance inputs of a drum water level value, steam flow and feedwater flow, a process controller, a drum model, a transmission model and the like specified by the system.
The embodiment of the invention provides a design method of a scene type remote experiment teaching device combined with obstetrical and scientific research, which comprises the following steps:
step 1: building a data hardware platform for a thermal power plant drum water level control system experiment, wherein the data hardware platform comprises an algorithm operation controller, a data synchronizer and an experiment server;
step 2: data synchronization is realized, data butt joint is carried out on the data synchronization interface and an actual thermal power plant production data interface, and real-time synchronous data transmission and storage functions are realized;
and step 3: the remote control of the experiment of the steam drum water level control system of the thermal power plant is realized, and the specific realization comprises the following steps:
step 3.1: abstracting a control principle of a drum water level control system of the thermal power plant, and establishing a corresponding mathematical model according to the control principle;
step 3.2: according to the established mathematical model, building a schematic diagram in MATLAB/Simulink, carrying out simulation verification on a control principle according to an actual operation condition, and carrying out next operation as a simulation model after verification is correct;
step 3.3: the operation step length is used as a variable through a modified Real-Time works hop (RTW) operation mode of Simulink, so that an operator can change the step length in the operation process, flexibly adjust the operation Time length and finally realize the remote control of the steam drum water level control system experiment of the thermal power plant;
and 4, step 4: the method comprises the following steps of building a three-dimensional device and a scene model of the thermal power plant, and specifically realizing the method comprises the following substeps:
step 4.1: the appearance and arrangement overview of the thermal power plant are obtained through modes such as infrared scanning and actual data modeling, then three-dimensional modeling software is used for reconstructing all three-dimensional models in a controlled experimental system, and an actual production scene of the thermal power plant is restored;
step 4.2: making a data model interface, associating the three-dimensional model with variable parameters corresponding to the mathematical model, and associating three-dimensional model actions such as steam flow, water level height, water valve opening and the like according to actual engineering requirements;
and 5: a monitoring interface of the central control room is built by using configuration software, and required data acquisition point data, monitoring interface monitoring data and experiment operation data are associated; meanwhile, an assessment system is established, and the test completion degree and accuracy are judged according to user operation data in the aspects of test flow, test specification, test key data and the like, so that test scores are given, and the method can be used for teaching feedback and improvement of users and teachers.
Step 6: the built parts are orderly connected through the experiment server, and the functions of production, study and research data synchronization, experiment system remote control, multi-user experiment scheduling, resource allocation and the like can be realized.
And 7: the experiment server is connected with the network experiment server, an access interface is established with the NCSLAb, and a user can access the experiment platform of the process control system of the thermal power plant through the network link to perform a steam drum water level control experiment.
In the invention, the experimental items which need large-scale equipment, scenes and high risk in the traditional experiment are combined into the network remote experiment, and an operator can carry out experimental operation at a user end; meanwhile, the operation state of the equipment in the scene of the thermal power plant is simulated by adjusting the control requirement of the thermal power plant, an operator can see the change condition of each data through the central control interface of the thermal power plant at a user end, and various monitoring interfaces are switched at any time, so that the effect of simulating the site in multiple directions is achieved. The method can be favorable for expanding the presentation form of the experiment of the traditional process control system of the thermal power plant, ensures that the experiment is carried out reliably and safely, can increase the understanding and cognition of students on the actual production scene, and can stimulate the imagination and creativity of the students through repeated and repeated experiments.
The operation result of the invention shows that the mathematical model and the three-dimensional model of the experiment can be consistent with the actual data of the same working condition of the production field, thus proving the accuracy and reliability of modeling; the steam drum water level height is adjusted through a remote control experiment, working parameters meeting requirements can be found according to index requirements under different working conditions, and the water level is adjusted to be a proper height value. Meanwhile, the functions of remote access and control of different types of terminal equipment and different system inlets can be realized, so that the practical feasibility of the scene type remote experiment teaching device and the design method which are combined with the production and research can be verified.
The invention combines the experimental items which need medium and large-scale equipment, scenes and have higher danger in the traditional experiment into the network remote experiment, and an operator can carry out remote experimental operation through a client platform; meanwhile, the running state of the equipment in the virtual scene is changed by adjusting the control requirement of the control system, so that an operator can see the change condition of each data through the central control interface of the user side, and can switch various monitoring interfaces at any time, thereby achieving the effect of multi-azimuth simulation on the site. The invention can be beneficial to expanding the presentation form of the traditional experiment system, flexibly switching the experiment object and the control mode, not only ensuring the reliable and safe experiment, but also increasing the understanding and cognition of the students to the actual production scene, and stimulating the imagination and creativity of the students through repeated and repeated experiments. Has wide application prospect.
It should be understood that parts of the specification not set forth in detail are well within the prior art.
It should be understood that the above description of the preferred embodiments is given for clarity and not for any purpose of limitation, and that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a scene formula remote experiment teaching device that obstetrical and scientific research combines which characterized in that includes: a data hardware platform and an experimental scene part;
the data hardware platform comprises an algorithm operation controller, a data synchronizer and an industrial experiment server; the experimental scene part comprises experimental system three-dimensional equipment, a scene model, a simulation control center, a data synchronization system, an experimental service system and a simulation monitoring interface;
the algorithm operation controller is used for realizing remote control on the controlled experiment system;
the data synchronizer is used for synchronizing the actual production data of the industrial application scene to the industrial experiment server through a communication protocol and storing the actual production data for experiment calling and comparison;
the industrial experiment server is used for connecting actual production data, experimental system three-dimensional equipment and a scene model, the algorithm operation controller and theoretical teaching to form a complete production and study test system;
the experimental system three-dimensional equipment and the scene model are three-dimensional image models which are manufactured by taking actual production equipment and scenes as blueprints, the running state of the system can be displayed in real time, and the equipment can be clearly displayed through a three-dimensional section;
the simulation control center is a central control room of the controlled experiment system and comprises administrator operation stations with different levels, and related monitoring interfaces and control level differences are correspondingly arranged in each station;
the data synchronization system is used for synchronizing actual production data on time for the experiment system to use;
the experiment service system is used for reasonably scheduling and optimizing experiment resources and ensuring the effective operation and data transmission of the experiment system;
the simulation monitoring interface is a visual monitoring interface, is directly related to equipment operation data, restores a monitoring picture of a control room in actual production and is more comprehensive in experimental cognition.
2. The device of claim 1, wherein the algorithm operation controller is configured to build a schematic block diagram of a controlled object and/or an experimental system in the controlled experimental system based on MATLAB/Simulink, generate an executable code through real-time works, and enable a user to adjust each variable of the controlled experimental system at any time during an operation process of the executable code.
3. A design method of a scene type remote experiment teaching device combined with obstetrical and scientific research is characterized by comprising the following steps:
(1) building a data hardware platform of a controlled experiment system, wherein the data hardware platform comprises an algorithm operation controller, a data synchronizer and an industrial experiment server;
(2) the data synchronization is realized through a data synchronizer, and the data synchronizer is in data butt joint with an actual production data interface of an industrial application scene, so that the real-time synchronous transmission and storage functions of data are realized;
(3) the remote control of the controlled experimental system is realized through the algorithm operation controller;
(4) building a three-dimensional device and a scene model of a controlled experimental system through an algorithm operation controller;
(5) a monitoring interface of the central control room is built by using configuration software, and required field data acquisition point data, monitoring interface monitoring data and experimental operation data are associated;
(6) and the industrial experiment server is connected with actual production data, experimental system three-dimensional equipment and a scene model, the algorithm operation controller and theoretical teaching to form a complete production, study and research experimental system.
4. The method of claim 3, wherein step (3) comprises:
(3.1) abstracting a control object of the controlled experimental system and/or a control principle of the experimental system, and establishing a corresponding mathematical model according to the control principle;
(3.2) according to the established mathematical model, building a schematic block diagram in MATLAB/Simulink, carrying out simulation verification on the control principle according to the actual operation condition, and taking the mathematical model without error as a simulation model;
and (3.3) taking the running step length as a variable through the modified Real-Time works running mode of Simulink, so that an operator can change the step length in the running process, flexibly adjust the running Time, and finally realize the remote control of the experimental system.
5. The method of claim 3 or 4, wherein step (4) comprises:
(4.1) acquiring the appearance and arrangement complete picture of three-dimensional equipment of the experimental system, and then utilizing three-dimensional modeling software to reconstruct a three-dimensional model of each control object in the controlled experimental system to restore an actual production scene;
and (4.2) making a data model interface, associating the three-dimensional model with the variable parameters corresponding to the mathematical model, and associating the three-dimensional model action according to the actual engineering requirement.
6. The method according to claim 3, wherein the algorithm operation controller, the data synchronizer and the industrial experiment server are all separate and independent devices, the devices are connected through data intercommunication, the devices do not interfere with each other, and the devices can be deployed in a centralized manner or in a distributed manner.
7. The method of claim 5, wherein the three-dimensional device of the experimental system and the scene model are reconstructed by three-dimensional scanning or directly three-dimensionally rendered, and the three-dimensional model can be modified and replaced according to the change of the control object.
8. The method of claim 3, wherein step (2) comprises:
and synchronizing actual production data to the experiment system through the data synchronizer, and comparing the actual production data with the simulation result of the experiment simulation algorithm through the instruction of the industrial experiment server.
9. The method of claim 8, further comprising:
and connecting the industrial experiment server with the network experiment server, and establishing an access interface so that a user can access an experiment platform of the experiment system through the link of the network experiment server.
10. The method of claim 3, further comprising:
establishing an assessment system, and judging the completeness and accuracy of the experiment according to user operation data, thereby giving an experiment score, wherein the user operation data comprises: experimental procedures, experimental specifications and experimental key data.
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