CN106599409B - A kind of virtual Industry Control experimental system - Google Patents
A kind of virtual Industry Control experimental system Download PDFInfo
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- CN106599409B CN106599409B CN201611072735.0A CN201611072735A CN106599409B CN 106599409 B CN106599409 B CN 106599409B CN 201611072735 A CN201611072735 A CN 201611072735A CN 106599409 B CN106599409 B CN 106599409B
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Abstract
The present invention discloses a kind of virtual Industry Control experimental system, for the inadequate resource of Industry Control experimental system, experimental facilities is expensive, maintaining method is cumbersome, the problem of Industry Control experimental teaching is restricted by when and where, realize a kind of construction method of new virtual experimental system, it can be applied to extensive experimental system design exploitation, type selecting Functional Design is based on experiment content, background is controlled in conjunction with actual industrial, realize cognition of the enhancing user to experimental facilities, the design of point checking functions, allow what user was personally on the scene to go problem of perception, it solves the problems, such as, the learning effect of Enhancement test teaching, improve the ability of user integrated theory with practice.
Description
Technical field
The present invention relates to virtual emulation and Industry Control experimental teaching field more particularly to a kind of virtual Industry Control experiments
System.
Background technique
In conventional teaching, experimental teaching is the practical application ability for training student, can nowadays experimental teaching status
Be mostly that teacher spends a large amount of energy and time to build in maintenance experimental facilities and experimental situation, and Experimental Instruction Environment with
Actual industrial control scene is even more multifarious.Which results in experimental teaching since the restriction of equipment or other conditions is often done
Less than control theory with actual industrial control combine as a result, losing some students for being absorbed in practice to laboratory gradually
Interest.Replication experiment occupies sizable a part of ratio in terms of experimental teaching content, controls simultaneously for actual industry
The research of system experiment aspect teaching material and to write attention rate obviously inadequate, this has resulted in a kind of student and has learned bookish content
The phenomenon that without application.About the portion big absolutely of the failure problems in the type selecting and experimentation of experimental facilities in experimental teaching status
Dividing all is to be gone to solve to complete by teacher, and this mode inefficiency cannot effectively allow student that will integrate theory with practice,
It is unfavorable for training student independent diagnostics failure simultaneously and solves the ability of failure.
Compared to foreign countries, China there are problems that lacking systematic Study about the research of virtual experimental.Although about void
The comparison that draft experiment room is designed and developed is more, but the research for carrying out experimental teaching to implementing virtual reality Industry Control is fewer, lacks
The research of ability in terms of training student is found the problem and is solved the problems, such as, lacks and combines about with actual industrial control system
Research；Thus cause overlapping development and the wasting of resources.
Summary of the invention
In view of the foregoing drawbacks, the technical problems to be solved by the invention propose a kind of new virtual experimental system building side
Method, this method do not need a large amount of actual experiment components again, construct the method that virtual experimental constructs using based on LabVIEW,
The vivid control process for reflecting entire industrial flow, with the experiment control in virtual experimental system widget library, mould
Draw up virtual control system.The experiment type selecting content of courses is completed according to virtual control system.According to having built the virtual of completion
Set-up of control system failure completes the fault diagnosis content of courses of experimental teaching, realize virtual experimental system type selecting function and
Point checking functions.Experimental teaching content is not only enriched in this way, improves quality of instruction, also solves actual industrial control and experiment
The problem of teaching combines, so that user is more deep to the understanding of experiment content, while more easily experience one has
The virtual experimental system of actual industrial control meaning.
To achieve the goals above, the technical solution adopted by the present invention is that:
The principle of the present invention is as follows:
This system is achievable user's autonomous learning systems, as shown in Fig. 1 the principle of the present invention figure, with user
Application technology ability be control amount, with design scheme be receive control information and modification control amount actuator, advised with engineering
Then library is comparator, using the display information for virtually producing interface as system feedback, forms control system.The content of designer's design
Including experimental facilities java standard library, experiment fault database, experiment content (virtual experimental system widget library and virtual control system), virtual
Produce interface and virtual background interface.User designs the experiment based on experiment content with the application technology ability of oneself and sets
Meter scheme show that experiment conclusion can be compared by experiment conclusion, system with the engineering rule library that designer designs, virtual to produce
Interface is shown that information feeds back to user, and user modifies the design scheme of oneself by system feedback.It is mentioned to reach
The purpose of the application technology ability of high user, realizes the autonomous learning of user.
A kind of virtual Industry Control experimental system, including virtual experimental system widget library, virtual production line interface, virtual control
System processed and virtual background interface；
The virtual experimental system widget library is established using virtual building model method, is provided for virtual control system
Virtual hardware library facilitates virtual hardware environment platform building；
The virtual production line interface is utilized based on LabVIEW graph-based method, in conjunction with actual production line work
Skill process, constructs the virtual production line interface of corresponding experimental teaching content, and entire Industry Control process is passed through simple figure
Language Symbols come out, and provide the function of Interface Options and display for entire virtual Industry Control experimental system；
The virtual control system is built using the virtual control progress in virtual experimental system widget library is customized,
User provides electrical equipment by determining that specific virtual control model completes type selecting, for entire virtual Industry Control experimental system
Type selecting function；
The virtual background interface plays setting failure in entire virtual Industry Control experimental system, setting it is interior
Appearance is the failure that actual industrial controls live institute's problem and experimental teaching sums up；Gone out according to virtual production line interface
Existing phenomenon goes out fault detection in virtual control system using the virtual detection control in virtual experimental system widget library
Come, and exclude failure set by virtual background interface, provides fault detection and point for entire virtual Industry Control experimental system
Checking functions.
Wherein virtually building model method according to the images of practical devices in conjunction with the functional characteristic of practical devices and basic
Parameter realizes the foundation of imitative mock-up, and the purpose for establishing imitative mock-up is to make between virtual control and practical devices from type
Number pattern forms one-to-one relationship to parameter function.The cardinal principle of modeling is described by simple visualized graphs
Practical devices out show practical devices by the description of numerical operation, logical operation and relational calculus to virtual control
Working principle.
Wherein virtual experimental system widget library is exactly to be made of virtual control (the imitative mock-ups of practical devices).Control
It include the virtual control of variety classes and different model in library.
Wherein virtual control system building purpose is to provide the carrier of type selecting for whole system.The design principle of type selecting is
Under process flow background, with the design requirement of " based on major loop, supplemented by control loop " for foundation, design corresponding virtual
Control option.Since user is to the difference integrally understood, the customized virtual control system built may exist specific empty
The problem of type of quasi- control, parameter, function etc. selection mistake, for such issues that user can refer to virtual control
Between logical relation, or directly query facility standard type selecting table solves the problems, such as that design scheme exists.
Wherein the major design principle of virtual background interface is as follows: 1) for the failure problems occurred in experiment after virtual
Platform interface is configured；2) it for the entire virtual Industry Control experimental system to have broken down, is set in virtually production interface
Count specific phenomenon of the failure；It provides it is possible that location of fault, so as to user's retrospect；It is designed in virtual control library virtual
Measuring instrument, so that user inquires fault point；The standard method that fault point excludes is provided.
It is described that be that entire virtual Industry Control experimental system provides electrical equipment type selecting function as follows:
1) according to the design requirement at actual production Wiring technology flow definition virtual production line interface；
2) experiment content is determined according to the design requirement at defined virtual production line interface, is advised referring to low-voltage electrical type selecting
Then establish experimental facilities standard Table storehouse；
3) using LabVIEW graph-based method is based on, the virtual production line interface of corresponding experiment content is established；
4) using the virtual device, virtual electronic element, Virtual Controller, virtual in virtual experimental system widget library
The building of display instrument instrument includes the virtual control system of virtual power distribution cabinet, virtual controlling cabinet, virtual instrument cabinet；
5) choosing is designed according to equipment, the model of component and the parameter information in the virtual control system for having built completion
Type equipment list；
6) the equipment standard table of corresponding experiment is retrieved in the experimental facilities standard Table storehouse that building is completed；
7) type selecting equipment list and experimental facilities standard scale are compared and display result is fed back into user, user
Establishing criteria equipment list modifies to the type selecting equipment list for having chosen completion, final to realize type selecting function.
Described is that entire virtual Industry Control experimental system provides fault detection and point checking functions are as follows:
1) according to Industry Control scene institute's problem and the summary of experimental teaching, the experiment of different types of faults is established
Fault database；
2) the virtual interface construction method based on LabVIEW is utilized, backstage set interface is created；
3) according to the virtual control system in virtual Industry Control experimental system, in the backstage set interface for having built completion
Virtual Industry Control experimental system is realized by showing on virtual production line interface in fault point in middle setting fault database
In fault point setting；
4) based on the virtual measurement instrument in virtual experimental system widget library, the event of virtual Industry Control experimental system is realized
Hinder detection function；
5) in virtual experimental system widget library virtual device, virtual electronic element, Virtual Controller has been to having examined
The corresponding experiment control of the failure measured is replaced, and completes troubleshooting, realizes the point inspection of virtual Industry Control experimental system
Function.
The virtual control of the virtual Industry Control experimental system and constructed virtual experimental system widget library symbol
Country dummy experimental teaching relevant criterion is closed, is a kind of opening, general, expansible virtual Industry Control experimental system is set
Meter method.
The present invention is compared with existing experimental system design method, and 1, for the inadequate resource of Industry Control experimental system,
The problem of experimental facilities is expensive, and maintaining method is cumbersome, and Industry Control experimental teaching is restricted by when and where realizes a kind of new
Virtual experimental system construction method, can be applied to the exploitation of extensive experimental system design.2, type selecting exclusive in the present invention
Functional Design controls background based on experiment content, in conjunction with actual industrial, realizes enhancing user and recognizes experimental facilities
Know.3, the present invention in unique checking functions design, allow user by put a checking functions be personally on the scene user
Problem of perception is gone, is solved the problems, such as, the learning effect of Enhancement test teaching improves the energy of user integrated theory with practice
Power.
Detailed description of the invention
The schematic diagram of the virtual Industry Control experimental system of Fig. 1 present invention；
Overall system architecture figure Fig. 2 of the invention；
Type selecting Functional Design flow chart Fig. 3 of the invention；
Point checking functions design flow diagram Fig. 4 of the invention；
Wherein, 1- virtual experimental system widget library, 2- virtual production line interface, 3- virtual control system, the virtual backstage 4-
Interface.
Specific embodiment
Below with reference to embodiment, the present invention is described in detail.
The overall system architecture figure of the invention such as Fig. 2, major architectural of the invention mainly include 4 parts, each section
Primary operational is as follows: (1) constructing model method based on virtual Industry Control experimental system, establish virtual experimental widget library, realize
Virtual experimental control and physical device, the mapping relations of the instruments such as electronic component.Virtual experimental widget library by different model void
Quasi- electrical equipment, different types of virtual electronic element, the Virtual Controller of different model, different types of virtual display instrument
Instrument, virtual measurement instrument composition；(2) in virtual Industry Control experimental system, using based on the graph-based side LabVIEW
Method establishes the production line interface of corresponding experimental teaching content, entire Industry Control process is showed by simple graphic language
Out, the interface display to virtual experimental system is realized；(3) in virtual Industry Control experimental system, virtual experimental system
Type selecting function is required and specific type selecting using virtual experimental widget library existing in experimental system according to different experimental designs
Rule realizes the type selecting function of virtual experimental system and completes the foundation to virtual control system；(4) basis has constructed completion
Virtual control system, carries out the building of virtual backstage set interface, and user is asked by what actual industrial control scene occurred
The setting that Binding experiment experience with students carries out backstage fault point to virtual control system is inscribed, in conjunction with the virtual inspection in virtual control library
Instrument and virtual experimental component are surveyed, realizes the point checking functions of virtual control system.
The type selecting Functional Design flow chart of the invention such as Fig. 3.Developer realizes that the primary operational of type selecting function is as follows:
(1) according to the design requirement of actual production Wiring technology flow definition virtual production line；(2) according to defined virtual production line
Design requirement determines experiment content, establishes experimental facilities standard Table storehouse referring to low-voltage electrical rules of type selection；(3) it utilizes and is based on
The virtual production line construction method of LabVIEW, obtains the function interface of virtual production line, realizes the display function of virtual production line
Energy；(4) using the virtual device in virtual experimental system widget library, virtual electronic element, Virtual Controller, virtual display
The building of instrument instrument includes the virtual control system of virtual power distribution cabinet, virtual controlling cabinet, virtual instrument cabinet；(5) it is completed by having built
Virtual control system in equipment, the model of component and parameter information design selection equipment list；(6) reality completed in building
Test the equipment standard table that corresponding experiment is retrieved in equipment standard Table storehouse；(7) by type selecting equipment list and experimental facilities standard scale into
Display result is simultaneously fed back to user by row comparison, user's establishing criteria equipment list to chosen the type selecting equipment list of completion into
Row modification finally realizes type selecting function.
(2) determine experiment content according to the design requirement of defined virtual production line, establish experimental facilities mark
The rule of quasi- Table storehouse be deduced by the rated current of motor include: the setting current of electrothermal relay, contactor it is specified
The famous brands parameter such as rated current of electric current, breaker.
The specific rated current by motor determines that the nameplate parameter of electrothermal relay is the setting current of electrothermal relay
It is 0.95~1.05 times of motor rated current.
The specific nameplate parameter that contactor is determined by the rated current in the name plate of motor is that contactor nameplate is specified
The 70~80% of electric current are greater than motor rated current.
The specific size by motor rated current determines that the nameplate parameter of breaker is to meet 10 times or 12 times
Buckle releaser rated current be less than and move setting current and motor starting current less than 1.86 times in buckle releaser wink under conditions of, protect
The rated current for demonstrate,proving buckle releaser is greater than the rated current of motor.
Specifically determine that the nameplate parameter of disconnecting switch is specially to keep apart by the sum of each branch motor rated current
It closes nameplate rated current and is greater than the sum of each branch motor rated current.
The point checking functions design flow diagram of the invention such as Fig. 4.Developer realizes that the primary operational of point checking functions is as follows:
(1) it refines Industry Control scene institute's problem and failure is divided into fault point setting and solves event by Binding experiment experience with students
Hinder two parts, to establish the experiment fault database of different types of faults；(2) the virtual interface building side based on LabVIEW is utilized
Method creates backstage set interface；(3) according to the virtual control system in virtual controlling experimental system, after having built completion
Fault point in fault database is set in platform set interface, by being shown on virtual production line interface, is realized in experimental system
Fault point setting；(4) based on the virtual measurement instrument in virtual experimental system widget library, the fault detection of experimental system is realized
Function；(5) in virtual experimental system widget library virtual device, virtual electronic element, Virtual Controller has been to having detected
The corresponding experiment control of the failure haveing is replaced, and is completed troubleshooting, is realized the point checking functions of virtual control system.
As table 1 sets for the fault point that the fault database that the present invention is established by taking low-voltage electrical failure as an example includes backstage set interface
Set and solve failure two parts.It is provided with fault point and provides specific equipment and setting event in the setting of backstage for user
The method of barrier；Solving failure is then that the detection for providing solution failure according to the phenomenon of the failure at virtual production line interface for user is set
Standby and specific troubleshooting methodology.Different types of fault database is established to reach.
The setting failure of the invention of table 1 and fault database table
The foregoing is merely base descriptions of the invention, any equivalent transformation that technical solution according to the present invention is done,
It is within the scope of protection of the invention.
Claims (3)
1. a kind of virtual Industry Control experimental system, it is characterised in that: including virtual experimental system widget library, virtual production line circle
Face, virtual control system and virtual background interface；
The virtual experimental system widget library is established using virtual building model method, is provided virtually for virtual control system
Hardware library facilitates virtual hardware environment platform building；It is made of virtual control, includes variety classes and not in widget library
With the virtual control of model；
The virtual production line interface is utilized based on LabVIEW graph-based method, in conjunction with actual production Wiring technology stream
Journey constructs the virtual production line interface of corresponding experimental teaching content, entire Industry Control process is shown by graphic language
Come, provides the function of Interface Options and display for entire virtual Industry Control experimental system；
The virtual control system is built using the virtual control progress in virtual experimental system widget library is customized, is used
Person provides electrical equipment type selecting by determining that specific virtual control model completes type selecting, for entire virtual Industry Control experimental system
Function；
The virtual background interface plays setting failure in entire virtual Industry Control experimental system, and the content of setting is
The failure that actual industrial controls live institute's problem and experimental teaching sums up；Occurred according to virtual production line interface
Phenomenon comes out fault detection in virtual control system using the virtual detection control in virtual experimental system widget library, and
Failure set by virtual background interface is excluded, provides fault detection and point inspection function for entire virtual Industry Control experimental system
Energy.
2. a kind of virtual Industry Control experimental system according to claim 1, it is characterised in that: described is entire virtual
Industry Control experimental system provides electrical equipment type selecting function and is achieved in that
1) according to the design requirement at actual production Wiring technology flow definition virtual production line interface；
2) experiment content is determined according to the design requirement at defined virtual production line interface, establishes experimental facilities standard Table storehouse；
3) using LabVIEW graph-based method is based on, the virtual production line interface of corresponding experiment content is established；
4) using the virtual device in virtual experimental system widget library, virtual electronic element, Virtual Controller, virtual display
The building of instrument instrument includes the virtual control system of virtual power distribution cabinet, virtual controlling cabinet, virtual instrument cabinet；
5) carry out design selection according to equipment, the model of component and the parameter information in the virtual control system for having built completion to set
Standby table；
6) the equipment standard table of corresponding experiment is retrieved in the experimental facilities standard Table storehouse that building is completed；
7) type selecting equipment list and experimental facilities standard scale are compared and feeds back to display result using object, use object
Establishing criteria equipment list modifies to the type selecting equipment list for having chosen completion, final to realize type selecting function.
3. a kind of virtual Industry Control experimental system according to claim 1, it is characterised in that: described is entire virtual
Industry Control experimental system provides fault detection and point checking functions are achieved in that
1) according to Industry Control scene institute's problem and the summary of experimental teaching, the experiment failure of different types of faults is established
Library；
2) the virtual interface construction method based on LabVIEW is utilized, backstage set interface is created；
3) it according to the virtual control system in virtual Industry Control experimental system, is set in the backstage set interface for having built completion
The fault point in fault database is set, by being shown on virtual production line interface, is realized in virtual Industry Control experimental system
Fault point setting；
4) based on the virtual measurement instrument in virtual experimental system widget library, the failure inspection of virtual Industry Control experimental system is realized
Brake；
5) in virtual experimental system widget library virtual device, virtual electronic element, Virtual Controller has been to having detected
The corresponding experiment control of failure be replaced, complete troubleshooting, realize the point checking functions of virtual Industry Control experimental system.
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