CN108663949A - A kind of ship shore electric integration semi-physical emulation platform based on dspace - Google Patents
A kind of ship shore electric integration semi-physical emulation platform based on dspace Download PDFInfo
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- CN108663949A CN108663949A CN201810546595.9A CN201810546595A CN108663949A CN 108663949 A CN108663949 A CN 108663949A CN 201810546595 A CN201810546595 A CN 201810546595A CN 108663949 A CN108663949 A CN 108663949A
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- 230000010354 integration Effects 0.000 title claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000011217 control strategy Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012706 support-vector machine Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
Abstract
The present invention relates to a kind of ship shore electric integration semi-physical emulation platform based on dspace, including simulink analogue simulation systems, dspace controller systems and prototype system；The dspace controller systems include bus, D/A converter and A/D converter, the output end of the bus and the input terminal of D/A converter connect, the output end of the A/D converter and the input terminal of bus connect, and the output end of the simulink analogue simulation systems and the input terminal of bus connect；The output end of the D/A converter and the input terminal of prototype system connect, and the output end of the prototype system and the input terminal of A/D converter connect.The advantage of the invention is that：The present invention can effectively solve the problem that since current pure debugging in kind is difficult and with high costs, and cannot be conveniently adjusted to control strategy using practical controller, the portable and poor problem of expansibility.
Description
Technical field
The invention belongs to bank electricity system emulation domain technology field, more particularly to a kind of ship shore electric one based on dspace
Body semi-physical emulation platform.
Background technology
With greatly developing for sea-freight industry, requirement of the International Maritime Organization in terms of ship discharge is higher and higher, bank electricity
Technology pollutes small, noiseless with it, feature at low cost becomes one of the key technology for establishing green harbour.However in tradition
R＆D process in, although test and debugging in kind is very necessary, bank electricity system especially high voltage shore power system for field is debugged
It is very difficult and with high costs.Therefore opposite bank electric system progress simulation study becomes research bank electricity system in laboratory conditions
Important way.
Dspace, which connect the semi-physical emulation platform built with Matlab/simulink, has authenticity, real-time etc. special
Point.Therefore a set of ship shore electric Integrated Simulation Platform based on dspace is built in laboratory conditions so that bank electricity technology is opened
Hair and research, and research the problems such as carrying out the fault diagnosis and security evaluation of opposite bank electric system on this platform just seems ten
Divide necessity.
Invention content
The ship shore electric integration HWIL simulation based on dspace that the technical problem to be solved in the present invention is to provide a kind of
Platform can effectively solve the problem that since current pure debugging in kind is difficult and with high costs, and use practical controller conveniently fast
Prompt is adjusted control strategy, the portable and poor problem of expansibility.
In order to solve the above technical problems, the technical scheme is that：A kind of ship shore electric integration based on dspace
Semi-physical emulation platform, innovative point are：Including simulink analogue simulation systems, dspace controller systems and system in kind
System；
The dspace controller systems include bus, D/A converter and A/D converter, the bus respectively with D/A converter
It is connected with A/D converter, and the simulink analogue simulation systems are connect with bus；
The D/A converter is connect with prototype system, and the prototype system is also connect with A/D converter.
Further, the simulink analogue simulation systems include frequency transformer control module, diesel-driven generator control mould
Block and ship load control module.
Further, the simulink analogue simulation systems further include monitoring system module, the monitoring system module
It is connect with bus.
Further, the prototype system includes frequency converter, diesel-driven generator and ship electrical load device.
The advantage of the invention is that：The present invention is based on the ship shore electric integration semi-physical emulation platforms of dspace, can
The accurately variation of simulation bank electricity system power grid, current transformer and its control system, filter and power compensating device, diesel-driven generator
Output characteristics and load etc. models；The platform can be diagnosed with the failure of opposite bank electric system simultaneously, to the peace of whole system
Total state is assessed, and the seamless and network process that departure from port can also be entered to ship is simulated.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is that the present invention is based on the structural schematic diagrams of the ship shore electric integration semi-physical emulation platform of dspace.
Fig. 2 is the composed structure and connection relationship diagram of frequency converter model.
Specific implementation mode
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
Embodiment
Ship shore electric integration semi-physical emulation platform of the present embodiment based on dspace, as shown in Figure 1, including
Simulink analogue simulation systems 1, dspace controller systems 2 and prototype system 3.
Simulink analogue simulation systems 1 include frequency transformer control module 11, diesel-driven generator control module 12, ship bear
Carry control module 13 and monitoring system module 14.
Dspace controller systems 2 include bus 21, D/A converter 22 and A/D converter 23, the output end of bus 21 with
The input terminal of D/A converter 22 connects, and the output end of A/D converter 23 is connect with the input terminal of bus 21, and simulink is imitative
Frequency transformer control module 11, diesel-driven generator control module 12 and ship load control module 13 in true simulation system 1 export
End is connect with the input terminal of bus 21, and the input terminal of monitoring system module 14 is connect with the output end of bus 21.For inciting somebody to action
Control algolithm in simulink analogue simulation systems 1 generates code write-in dspace controller systems 2, and will be collected
Data are from being sent to monitoring system module 14 in simulink analogue simulation systems 1 in dpsace controller systems 2.
Prototype system 3 includes frequency converter 31, diesel-driven generator 32 and ship electrical load device 33, and prototype system 3 includes frequency conversion
The input terminal of device 31, diesel-driven generator 32 and ship electrical load device 33 is connect with the output end of D/A converter 22, prototype system
3 output ends including frequency converter 31, diesel-driven generator 32 and ship electrical load device 33 connect with the input terminal of A/D converter 23
It connects.
The present embodiment frequency converter controller uses voltage and current ring double-closed-loop control, by being obtained from the sampling of prototype system 3
Voltage signal and current signal frequency converter 31 is adjusted so that frequency converter 31 exports satisfactory voltage and current letter
Number.
Diesel generator controller, will by prime mover and excitation system founding mathematical models to diesel-driven generator 32
The tach signal sampled from prototype system 3 inputs in prime mover mathematical model, the voltage and current that will be sampled from prototype system 3
Signal is decoupled and is input in the mathematical model of excitation system, and the rotating speed and output electricity of diesel-driven generator 32 are reconciled with this
Pressure.
The method that ship electric loading controller uses vector controlled, the stator voltage current signal that will be sampled from prototype system
In input controller, the adjustment to ship electrical load device 33 rotating speed and magnetic linkage is realized.
In embodiment, monitoring system module 14, using the method for support vector machines by by the history number of each component
According to the characteristic quantity of each device as sample, is extracted, knowledge base is formed, then by collected each unit module device
Real-time monitoring data is compared with fault database, to complete the fault diagnosis to devices such as power supply, transformer, frequency converters, with
And the security evaluation to whole system.
D/A converter 22 sends out the PWM of the pwm pulse signal of frequency converter, diesel-driven generator in dpsace controller systems 2
Pulse signal, the pwm pulse signal of ship electric loading, switching signal control prototype system 3 run, and are adopted according to from prototype system 3
Voltage signal, current signal and the motor speed signal collected is sent to A/D converter 23 in dpsace controller systems 2, right
The control signal that dpsace controller systems 2 are sent out is adjusted, and prototype system 3 is used to be believed according to the control that controller is sent out
Number complete ship shore electric integral system operation.
Ship shore electric integration semi-physical emulation platform provided in this embodiment based on dspace is a kind of closed-loop system,
System components are provided with communication function, and data interaction may be implemented.Based on simulation system in kind, it is good to have a real-time, number
According to genuine and believable feature.Controller system based on dspace can conveniently change control strategy, can be more complete
The control strategy to shipping shore power system in face tested, is changed and perfect.It is connect, is simplified with material object by dspace simultaneously
System structure, improves the stability of system, and being used as controller by dspace makes system have higher scalability
And portability.
The simulating experimental system of the present embodiment has authenticity height, stability is good, real-time based on prototype system
The features such as height, reliability is high.There is very high scalability and portability as control using dspace, and can be conveniently fast
Prompt modification control strategy preferably completes the theoretical research of integrated half prototype system of ship shore electric.
The present embodiment provides a kind of composed structure and connection relation of specific frequency converter model by taking frequency converter model as an example
Schematic diagram, as shown in Fig. 2, A is the output port of the digital quantity of dspace, B is the digital quantity input terminal of dspace, C, D difference
Digital quantity input terminal for D/A modules and analog output end, E, F are respectively analog input end and the digital quantity of A/D modules
Output end, G, H are respectively simulation input port and the simulation output port of frequency converter in kind.
Input/output interface explanation：
The present embodiment used interface is the affiliated interfaces of MricoLabBox.
MricoLabBox provides 24 channels, and 16 analog input channels provide 16 channels, and 16 analog output channels carry
For 48 channel bi-directional digital IO.
MicroLabBox be dSPACE design and develop to be adapted to the compact high performance that laboratory environment uses low
COST system can help user quickly and easily to set up the control, test and measuring environment of oneself with access control plan
Practicability slightly.It is mainly used for building for the semi-matter simulating system of hardware in loop, realizes the nothing with MATLAB/Simulink
Seam connection, allows MATLAB user easily to grasp the use of MicroLabBox.
MicroLabBox there is powerful computing capability to be delayed with extremely low I/O be combined, and provide outstanding real-time
Performance.Programmable FPGA makes you possess the flexibility of height, while allowing your the demand high-speed cruising according to various applications
Control loop, such as Motor Control or active noise reduction and vibration damping.
MicroLabBox provides support by the dSPACE software packages integrated, including integrated for I/O（It is based on
Model）Simulink Real-Time Interface (RTI) and experiment software ControlDesk, to
Allow to access real-time application by graphical instrument during operation.
Dspace controller systems 2 include two functions：Control and communication.Wherein control section is mainly dspace controls
Device sends out control signal and controls prototype system.Communication part is mainly that dspace passes through to voltage and current rotating speed in kind etc.
The acquisition of information, the signal sent out to dspace controllers by the processing of simulink algorithms are adjusted.
The control sections dspace of the present embodiment, including：Frequency Converter Control part, diesel-driven generator control section, ship electricity
Load control part.
By taking frequency transformer control module 11 as an example, the realization process of dspace controller systems 2 is as follows：
1）11 simulation model of frequency transformer control module is built using SIMULINK, verifies the correctness of its controller system；
2）Only retain its controller system model, utilizes RTW（Real-Time-Workshop）The model of reservation is directly generated into C
Code, and I/O is configured, original logic connecting relation is replaced with hardware interface relationship；
3）Utilize RTI（Real-Time-Interface）The RTW C codes generated are downloaded in dspace and run；
4）Interactive operation is realized using dspace test software such as ControlDesk, MLIB/MTRACE provided etc., is carried out comprehensive
Close experiment and test.
Other than the control to ship shore electric integral system, dspace is also integrated with communication function, can be by material object
Operation data in system is sent to the monitoring system in simulink in real time；That is the signals such as voltage, electric current of each unit module
It is sent to dspace by A/D modules, then transfers data to the monitoring of simulink analogue systems by serial ports by dspace
In system module 14；Monitoring system module includes, to the real time data inspecting of each unit module device, to power supply, transformer,
The fault diagnosis of the devices such as frequency converter, and the security evaluation to whole system.
The ship shore electric unified platform of the present embodiment is based on dspace, simulink and device in kind is developed.
Dspace can efficiently modify to control strategy as controller, increase flexibility and the scalability of system.It adopts
It is connect with dspace with device in kind, enhances the authenticity and real-time of system so that whole system model is more intuitive easy
In understanding.Dspace obtains sampled signal by the communication function from material object, and sends the data to prison by serial ports
Control system, simplifies system structure, and system is made more to stablize.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (4)
1. a kind of ship shore electric integration semi-physical emulation platform based on dspace, it is characterised in that：It is imitative including simulink
True simulation system, dspace controller systems and prototype system；
The dspace controller systems include bus, D/A converter and A/D converter, the bus respectively with D/A converter
It is connected with A/D converter, and the simulink analogue simulation systems are connect with bus；
The D/A converter is connect with prototype system, and the prototype system is also connect with A/D converter.
2. the ship shore electric integration semi-physical emulation platform according to claim 1 based on dspace, it is characterised in that：
The simulink analogue simulation systems include frequency transformer control module, diesel-driven generator control module and ship load control mould
Block.
3. the ship shore electric integration semi-physical emulation platform according to claim 2 based on dspace, it is characterised in that：
The simulink analogue simulation systems further include monitoring system module, and the monitoring system module is connect with bus.
4. the ship shore electric integration semi-physical emulation platform according to claim 2 based on dspace, it is characterised in that：
The prototype system includes frequency converter, diesel-driven generator and ship electrical load device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810546595.9A CN108663949A (en) | 2018-05-31 | 2018-05-31 | A kind of ship shore electric integration semi-physical emulation platform based on dspace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810546595.9A CN108663949A (en) | 2018-05-31 | 2018-05-31 | A kind of ship shore electric integration semi-physical emulation platform based on dspace |
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| CN108663949A true CN108663949A (en) | 2018-10-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109459644A (en) * | 2018-12-24 | 2019-03-12 | 广州智光电气技术有限公司 | A kind of bank electricity equipment automatization detection system |
| CN109947074A (en) * | 2019-01-21 | 2019-06-28 | 江苏科技大学 | A kind of shipping shore power system fault diagnosis platform based on Dspace |
| CN109976310A (en) * | 2019-03-29 | 2019-07-05 | 上海船舶运输科学研究所 | Ship high voltage shore power control system automatization test system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459644A (en) * | 2018-12-24 | 2019-03-12 | 广州智光电气技术有限公司 | A kind of bank electricity equipment automatization detection system |
| CN109947074A (en) * | 2019-01-21 | 2019-06-28 | 江苏科技大学 | A kind of shipping shore power system fault diagnosis platform based on Dspace |
| WO2020151390A1 (en) * | 2019-01-21 | 2020-07-30 | 江苏科技大学 | Dspace-based fault diagnosis platform for ship shore power system |
| CN109976310A (en) * | 2019-03-29 | 2019-07-05 | 上海船舶运输科学研究所 | Ship high voltage shore power control system automatization test system and method |
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