CN105137909B - Virtual object Staged cotrol system experimental device - Google Patents
Virtual object Staged cotrol system experimental device Download PDFInfo
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- CN105137909B CN105137909B CN201510558811.8A CN201510558811A CN105137909B CN 105137909 B CN105137909 B CN 105137909B CN 201510558811 A CN201510558811 A CN 201510558811A CN 105137909 B CN105137909 B CN 105137909B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15078—Modules, construction of system
Abstract
A kind of Virtual object Staged cotrol system experimental device, industrial computer connects PLC adjuster controls, PLC digital outputs module and PLC Analog input mModules, PLC digital output modules are connected with auxiliary reclay, PLC adjusters control is connected with the input of PLC analog output modules, 1. 2. input is connected the output end of PLC analog output modules with logafier with logafier, 1. 2. output end is connected logafier with adder input with logafier, input of the adder output with first order inertial loop module 1. is connected, in relay output node of the output end of first order inertial loop module 1. through auxiliary reclay, 2. input is connected with first order inertial loop module, 2. output end is connected first order inertial loop module with the relay output node through auxiliary reclay with the input of PLC analog input modules, on the one hand the output end of analog input module is connected with recovery curve module, on the other hand it is connected with industrial computer, simulation process is shown in real time.Small investment of the present invention, teaching efficiency is good.
Description
Technical field
The present invention relates to a kind of experiment device for teaching, especially a kind of Control Theory and Control Engineering experimental provision, specifically
It is a kind of Virtual object Staged cotrol system experimental device that ground, which is said,.
Background technology
《Process control engineering》It is that, as the Main Course of engineering and polytechnic universities' Automation Specialty, it is taught after national discipline reform
Material《Process control engineering》It is national unified editing, its curriculum experiment is the important step of teaching, it can be joined with the theory of training student
It is practical capacity and manipulative ability.Corresponding experiment reform has all been carried out with building for this each universities and colleges, and its direction includes two classes：One
Class is emulated towards pure software, and which is unsatisfactory at present, mainly student to do the experiment sense of reality poor；Another kind of is actual structure
Production process is made, which investment is larger, and need larger floor space, while being unfavorable for the experiment of exploitation formula.In order to strengthen class
The engineering ropeway of journey experiment, the control of dynamic analog chemical process, the ability of engineering practice of training student, we take the above
The scheme that two class modes are combined, that is, ensure that less investment and reduce floor space, student is had towards actual life
Produce process computer control system the sense of reality, for improve student the connection between theory and practice ability and practical operative ability and
A fabulous platform can be provided by solving the ability of engineering problem, while being advantageously implemented the open of the curriculum experiment
Teaching.
The content of the invention
The purpose of the present invention be for existing experiment device for teaching exist pure software teaching efficiency it is poor, pure hardware education
The problem of cost of investment is high, designs a kind of Virtual object Staged cotrol system experimental device of software and hardware combining.
The technical scheme is that：
A kind of Virtual object Staged cotrol system experimental device, it includes industrial computer 1, it is characterized in that described industry control
It is defeated that machine 1 connects PLC adjusters control 3, PLC digital outputs module 12 and PLC analog quantitys by RS-232 communication parts 2 respectively
Enter module, PLC digital outputs module 12 is connected with auxiliary reclay 13, PLC adjusters control 3 and PLC analog output moulds
The input of block 4 is connected, the output ends of PLC analog output modules 4 and logafier 1. 5 and logafier 2. 6 input
End be connected, logafier 1. 5 and logafier 2. 6 output ends are connected with the input of adder 7, the output end of adder 7 and
First order inertial loop module 1. 8 input be connected, first order inertial loop module 1. 8 output end through auxiliary reclay 13
2. 9 inputs are connected the first output node of relay 14 with first order inertial loop module, first order inertial loop module 2. 9 output end
It is connected with the second output node of relay 15 through auxiliary reclay 13 with the input of PLC Analog input mModules 10, PLC moulds
On the one hand the output end of analog quantity input module 10 is connected with recovery curve module 11, is on the other hand connected with industrial computer 1, real
When show simulation process.
Described industrial computer 1 passes through RS-232 communication parts 2 and PLC analog output modules 4, PLC digital output moulds
Block 12 and PLC Analog input mModules 10 are communicated, the PID components that PLC adjusters control 3 is embedded using PLC, pass through industrial computer 1
The given of output valve is realized, and 4 ~ 12mA and 12 ~ 20mA signals are exported through PLC analog output modules 4.
Logafier of 4 ~ 12mA feedings with signal limiter function that described PLC analog output modules 4 are exported
1., small circulation ability equal percentage valve characteristic, logafier of 12 ~ 20mA signals feeding with signal limiter function are simulated
2., simulate books circulation ability equal percentage valve characteristic, and two valve in parallel simulated through adder and control, its export feeding by
First output node of the switching relay of auxiliary reclay 13 14 and the connection first order inertial loop mould of the second output node of relay 15
Block 1. 8 and first order inertial loop module 2. 9 realize simulation first order inertial loops and second-order inertia link plant characteristic.
The described manipulation PLC adjusters of industrial computer 1 control 3 be allowed to by " manual " working condition by self-balance undisturbed put into operation to
" automatic " working condition, PLC adjusters control 3 carries out parameter tuning, adds 10% set-point Spline smoothing, and it is exported through PLC moulds
4 points of journeys of analog quantity output module export 4 ~ 12mA and 12 ~ 20mA signals and amplified and summation is after-applied in first order inertial loop mould
Block 1. 8, first order inertial loop module 2. 9, into PLC Analog input mModules 10, then by the output transition process curve of industrial computer 1
Module 11, constitutes Staged cotrol system, is by observing the curve of output judgement pid parameter of recovery curve module 11 and adjusting
It is no qualified and how to optimize.
Beneficial effects of the present invention：
The present invention both ensure that less investment and reduce floor space, and also had student by software and hardware combining
Towards the sense of reality of actual production process computer control system, moved for the ability and reality for improving student's connection between theory and practice
The ability of hand ability and solution engineering problem can provide a fabulous platform, while it is real to be advantageously implemented the course
The Opening Teaching tested.
Brief description of the drawings
Fig. 1 is the block diagram of system of the present invention.
In figure：1 it is industrial computer, 2 be RS-232 communication parts, 3 be PLC adjusters control, 4 is PLC analog output moulds
Block, 5 be logafier 1., 6 logafiers 2., 7 adders, 8 be first order inertial loop module 1., 9 be one order inertia ring
Section 2., 10 be PLC Analog input mModules, 11 be recovery curve module, 12 PLC digital outputs modules, 13 be middle
Relay, 14 be the output node of relay first, 15 be the output node of relay second.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1.
A kind of Virtual object Staged cotrol system experimental device, it includes industrial computer 1, it is characterized in that described industry control
It is defeated that machine 1 connects PLC adjusters control 3, PLC digital outputs module 12 and PLC analog quantitys by RS-232 communication parts 2 respectively
Enter module, PLC digital outputs module 12 is connected with auxiliary reclay 13, PLC adjusters control 3 and PLC analog output moulds
The input of block 4 is connected, the output ends of PLC analog output modules 4 and logafier 1. 5 and logafier 2. 6 input
End be connected, logafier 1. 5 and logafier 2. 6 output ends are connected with the input of adder 7, the output end of adder 7 and
First order inertial loop module 1. 8 input be connected, first order inertial loop module 1. 8 output end through auxiliary reclay 13
2. 9 inputs are connected the first output node of relay 14 with first order inertial loop module, first order inertial loop module 2. 9 output end
It is connected with the second output node of relay 15 through auxiliary reclay 13 with the input of PLC Analog input mModules 10, PLC moulds
On the one hand the output end of analog quantity input module 10 is connected with recovery curve module 11, is on the other hand connected with industrial computer 1, real
When show simulation process.As shown in Figure 1.
The present invention the course of work be：
Industrial computer 1 by RS-232 communication parts 2 and PLC analog output modules 4, PLC digital outputs module 12 and
PLC Analog input mModules 10 are communicated, the PID components that PLC adjusters control 3 is embedded using PLC, are realized by industrial computer 1 defeated
Go out the given of value, and 4 ~ 12mA and 12 ~ 20mA signals are exported through PLC analog output modules 4.PLC analog output modules 4 are defeated
1. logafier of 4 ~ 12mA feedings with signal limiter function gone out, simulate small circulation ability equal percentage valve characteristic,
2. logafier of 12 ~ 20mA signals feeding with signal limiter function, simulate books circulation ability equal percentage valve characteristic,
And two valve in parallel controls are simulated through adder, it exports feeding and switches the output node of relay first by auxiliary reclay 13
14 and the connection of the second output node of relay 15 first order inertial loop module 1. 8 and first order inertial loop module 2. 9 realize simulation
First order inertial loop and second-order inertia link plant characteristic.The manipulation PLC adjusters of industrial computer 1 control 3 is allowed to by " manual " work
State is put into operation to " automatic " working condition by self-balance undisturbed, and PLC adjusters control 3 carries out parameter tuning, adds 10% set-point
Spline smoothing, it is exported exports 4 ~ 12mA and 12 ~ 20mA signals and amplified and summation through 4 points of journeys of PLC analog output modules
It is after-applied first order inertial loop module 1. 8, first order inertial loop module 2. 9, into PLC Analog input mModules 10, then by
The output transition process curve module 11 of industrial computer 1, constitutes Staged cotrol system, by observing the defeated of recovery curve module 11
Go out curve and judge whether pid parameter is adjusted qualified and how to optimize.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (4)
1. a kind of Virtual object Staged cotrol system experimental device, it includes industrial computer（1）, it is characterized in that described industry control
Machine（1）PLC adjuster controls are connected by RS-232 communication parts respectively（3）, PLC digital output modules（12）With PLC moulds
Analog quantity input module, PLC digital output modules（12）With auxiliary reclay（13）It is connected, PLC adjuster controls（3）With PLC
Analog output module（4）Input be connected, PLC analog output modules（4）Output end and logafier 1.（5）With
Logafier is 2.（6）Input is connected, and logafier is 1.（5）With logafier 2.（6）Output end and adder（7）It is defeated
Enter end to be connected, adder（7）Output end and first order inertial loop module are 1.（8）Input be connected, in first order inertial loop mould
Block is 1.（8）Output end through auxiliary reclay（13）The output node of relay first（14）With first order inertial loop module 2.
（9）Input is connected, and first order inertial loop module is 2.（9）Output end with through auxiliary reclay（13）Relay second output knot
Point（15）With PLC Analog input mModules（10）Input be connected, PLC Analog input mModules（10）Output end on the one hand
With recovery curve module（11）It is connected, another aspect and industrial computer（1）It is connected, simulation process is shown in real time.
2. Virtual object Staged cotrol system experimental device according to claim 1, it is characterised in that：Industrial computer
（1）Pass through RS-232 communication parts（2）With PLC analog output modules（4）, PLC digital output modules（12）With PLC simulations
Measure input module（10）Communication, PLC adjuster controls（3）The PID components embedded using PLC, pass through industrial computer（1）Realize output
What is be worth is given, and through PLC analog output modules（4）Export 4 ~ 12mA and 12 ~ 20mA signals.
3. Virtual object Staged cotrol system experimental device according to claim 1, it is characterised in that：PLC is simulated
Measure output module（4）1. logafier of 4 ~ 12mA feedings with signal limiter function of output, simulate small circulation ability etc.
2. percentage valve characteristic, logafier of 12 ~ 20mA signals feeding with signal limiter function, simulate books circulation ability etc.
Percentage valve characteristic, and two valve in parallel controls are simulated through adder, it exports feeding by auxiliary reclay（13）Switching
The output node of relay first（14）With the output node of relay second（15）Connect first order inertial loop module 1.（8）And single order
Inertial element module is 2.（9）Realize simulation first order inertial loop and second-order inertia link plant characteristic.
4. Virtual object Staged cotrol system experimental device according to claim 1, it is characterised in that：Industrial computer
（1）Manipulate PLC adjuster controls（3）It is allowed to be put into operation to " automatic " working condition by self-balance undisturbed by " manual " working condition,
PLC adjuster controls（3）Parameter tuning is carried out, 10% set-point Spline smoothing is added, it is exported through PLC analog output modules
（4）Point journey export 4 ~ 12mA and 12 ~ 20mA signals and it is amplified and sum it is after-applied in first order inertial loop module 1.（8）, one
Rank inertial element module is 2.（9）, into PLC Analog input mModules（10）, then by industrial computer（1）Output transition process curvilinear mold
Block（11）, Staged cotrol system is constituted, by observing recovery curve module（11）Curve of output judge pid parameter adjust
It is whether qualified and how to optimize.
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| CN201510558811.8A CN105137909B (en) | 2015-09-06 | 2015-09-06 | Virtual object Staged cotrol system experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510558811.8A CN105137909B (en) | 2015-09-06 | 2015-09-06 | Virtual object Staged cotrol system experimental device |
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| CN105137909B true CN105137909B (en) | 2017-07-28 |
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| CN109389896B (en) * | 2018-12-11 | 2023-07-14 | 黄山学院 | Virtual object Valve Position (VPC) control system experiment device |
Citations (7)
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|---|---|---|---|---|
| JP2001022268A (en) * | 1999-07-07 | 2001-01-26 | Gakken Co Ltd | Teaching material for power circuit |
| CN201600816U (en) * | 2010-03-19 | 2010-10-06 | 桂林电子科技大学 | Teaching device of analog electronic technique experiment |
| CN102156431A (en) * | 2011-01-07 | 2011-08-17 | 国电南京自动化股份有限公司 | Wind turbine running simulation system based on PLC (programmable logic controller) system |
| CN202632045U (en) * | 2012-05-14 | 2012-12-26 | 重庆工业设备安装集团有限公司 | Digital-analog integrated controller |
| CN103426344A (en) * | 2013-05-23 | 2013-12-04 | 浙江工业大学 | Automatic control experiment table |
| CN204440782U (en) * | 2015-03-16 | 2015-07-01 | 南京铁道职业技术学院 | Based on half process control device in kind of OPC and S7-200 PLC module |
| CN205028134U (en) * | 2015-09-06 | 2016-02-10 | 黄山学院 | Divide journey control system experimental apparatus towards virtual object |
-
2015
- 2015-09-06 CN CN201510558811.8A patent/CN105137909B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001022268A (en) * | 1999-07-07 | 2001-01-26 | Gakken Co Ltd | Teaching material for power circuit |
| CN201600816U (en) * | 2010-03-19 | 2010-10-06 | 桂林电子科技大学 | Teaching device of analog electronic technique experiment |
| CN102156431A (en) * | 2011-01-07 | 2011-08-17 | 国电南京自动化股份有限公司 | Wind turbine running simulation system based on PLC (programmable logic controller) system |
| CN202632045U (en) * | 2012-05-14 | 2012-12-26 | 重庆工业设备安装集团有限公司 | Digital-analog integrated controller |
| CN103426344A (en) * | 2013-05-23 | 2013-12-04 | 浙江工业大学 | Automatic control experiment table |
| CN204440782U (en) * | 2015-03-16 | 2015-07-01 | 南京铁道职业技术学院 | Based on half process control device in kind of OPC and S7-200 PLC module |
| CN205028134U (en) * | 2015-09-06 | 2016-02-10 | 黄山学院 | Divide journey control system experimental apparatus towards virtual object |
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Effective date of registration: 20230630 Address after: No. 6, Qiayang Road, Yanghu Town, Tunxi District, Huangshan City, Anhui Province 245000 Patentee after: Huangshan Tunxi Yucheng Industrial Investment Holding Co.,Ltd. Address before: 39 Xihai Road, Tunxi District, Huangshan City, Anhui Province Patentee before: HUANGSHAN University |
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