CN103728117B - System for collecting and analyzing water power test data of marine monitoring instrument device model - Google Patents
System for collecting and analyzing water power test data of marine monitoring instrument device model Download PDFInfo
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- CN103728117B CN103728117B CN201310755686.0A CN201310755686A CN103728117B CN 103728117 B CN103728117 B CN 103728117B CN 201310755686 A CN201310755686 A CN 201310755686A CN 103728117 B CN103728117 B CN 103728117B
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Abstract
The invention discloses a kind of system for collecting and analyzing water power test data of marine monitoring instrument device model, including measuring sensor, data acquisition unit and data analytics server, measure the sensor that sensor includes measuring wind speed, flow velocity, wave height hydrodynamic environment parameter, also include the sensor that objective body performance parameter is measured；Data acquisition unit comprises real-time processor, fpga logic controller, capture card, power supply and cabinet；Each capture card passage is provided with the interface of current sensor or voltage sensor；The mode using Star topology between fpga logic controller and capture card is connected, and is communicated by spi bus；Data analytics server comprises four main modular, respectively data reception module, data memory module, data analysis module and data disaply moudle.This system achieves synchronous acquisition multiple measurement factor data, in real time monitoring and measures the change of key element, analysis and the function of management exercise data, thus provides effective experimental technique means for assessment monitoring instrument equipment service behaviour under actual marine environment.
Description
Technical field
The present invention relates to the data acquisition for ocean monitor instrument device model hydrodynamic test field and divide
Analysis technology, particularly relates to one and is monitored instrument and equipment under the conditions of ocean dynamical environment experimental trough
The data collection and transmission of model test.
Background technology
The development of marine monitoring technology depends on the technical merit of various ocean monitor instrument equipment, by opening
Exhibition ocean monitor instrument device model hydrodynamic test, improves instrument and equipment R & D Level targetedly,
Strengthen its environmental suitability and job stability, motivate technical transformation of the factory with financial strength application paces, to research marine monitoring skill
Art has important function.Stormy waves mobilization force environment in laboratory and monitoring instrument device model performance are carried out
Synchro measure, is the technical theme of ocean monitor instrument device model hydrodynamic test, gathers number exactly
According to, scientifically analyze data, monitoring instrument equipment service behaviour under actual marine environment is commented
Estimate, thus provide foundation for improving the design parameter of monitoring instrument equipment, improve ocean monitor instrument equipment
Model test and the level of test.
Ocean monitor instrument device model hydrodynamic test, needs at the experiment water disposing data collecting system
Groove is carried out, ocean monitor instrument device model is deployed in flume experiment district, tank realize to oceanic winds,
Wave, the simulation of mobilization force environment, data collecting system realizes setting hydrodynamic environment and ocean monitor instrument
The measurement of standby performance.
At present, the data collecting system set up in the most all kinds of experimental troughs, to multiple measurement key element
Data collection synchronous the highest, later data analyze and process during often by data interpolating etc.
Method makes up the problem of data syn-chronization difference, and lacks test measurement data and analyze data system ground
Management, lacks in process of the test the real-time monitoring measuring key element, thus affects indoor model hydrodynamic force
Test the accuracy to the assessment of ocean monitor instrument equipment service behaviour, it is impossible to meet growing ocean
The demand of monitoring instrument device model hydrodynamic test.
Summary of the invention
The problem existed for existing experimental trough data collecting system, the present invention releases a kind of novel knot
The system for collecting and analyzing water power test data of marine monitoring instrument device model of structure, synchronous acquisition is tested
During wind, wave, mobilization force environmental data and the performance data of ocean monitor instrument device model, real
Now to the analysis of measurement data, store, classify display and the inquiry of historical data, and to measurement data,
Analyze data and the system administration of Test Information.Data collection and transmission use data acquisition unit time
Clock administrative skill and multithreads computing technology realize the synchronous acquisition of multi-channel data, use data to divide
The measurement data of analysis server admin test, analysis data etc., and to measurement data after off-test
Carry out statistical analysis with result of the test, generate the testing journal sheet of set form, it is achieved that synchronous acquisition is multiple
Measure the data of key element, system administration measurement data, analysis data and Test Information.
Carry out, in the experimental trough of ocean monitor instrument device model hydrodynamic test, arranging hydrodynamic environment
Analogue means, including current generating system, wave making system and wind making system, it is achieved to oceanic winds, wave, flowing
The simulation of force environment.Data collection and transmission involved in the present invention is utilized to complete hydrodynamic environment
Measurement with ocean monitor instrument equipment performance.
Data collection and transmission involved in the present invention is by measuring sensor, data acquisition unit and data
Analysis server forms.Measure sensor to be arranged in experimental trough, data acquisition unit and data analysis clothes
Business device is arranged on outside experimental trough, measures sensor and connects data acquisition unit, and data acquisition unit connects number
According to Analysis server.
Measure the sensing that sensor includes measuring the hydrodynamic environment parameters such as wind speed, flow velocity, wave height
Device, also includes the biography measuring the objective body performance parameters such as pressure, pulling force, impeller torque, wheel speed
Sensor.Measure sensor measurement result to be exported to data acquisition unit with the form of analog signal.
Data acquisition unit is arranged in cabinet, including real-time processor, fpga logic controller, capture card,
Power supply.Each capture card comprises 8 road acquisition channels, and every paths is provided with current sensor or electricity
The interface of pressure sensor, and built-in signal filter circuit and analog to digital conversion circuit, will measure sensor defeated
The analog voltage signal or the analog current signal that go out are converted into data signal, the most respectively according to algorithm by former
It is effective that beginning data are converted into wind speed, flow velocity, wave height, pressure, pulling force, impeller moment of torsion, wheel speed etc.
Data, and measurement data is carried out locally stored, finally by Ethernet, data are uploaded.
The mode using Star topology between fpga logic controller and capture card is connected, and passes through spi bus
Communicate with capture card, it is possible to directly access the hardware resource on each capture card, it is achieved to multichannel
Data acquisition carries out accurate timing, triggering and Synchronization Control.Fpga logic controller onboard data conveyer
System, it is possible to data are transferred to real-time controller by pci bus, real-time processor receives FPGA transmission
Data, use algorithm data are processed, initial data is converted into effective measurement data, passes through
It is locally stored that his built-in flash memory realizes measurement data, and by built-in Ethernet interface, will
Measurement data is uploaded to data analytics server；
Fpga logic controller onboard data transmission mechanism, between fpga logic controller and real-time processor
Connected by PCI parallel bus, by pci bus, data are transferred to real-time controller.Fpga logic
Controller is connected by SPI universal serial bus with capture card.
Real-time processor by pci bus receive FPGA transmission data, use algorithm to data at
Reason, by its built-in flash memory realize data locally stored, and by built-in Ethernet interface,
Data after processing are uploaded to data analytics server.Real-time processor carries Vxworks real-time operation
System, system call carries out fully according to priority, it is to avoid competition between process and the deadlock that causes and resistance
Plug phenomenon.
Power supply provides the output of 12V and 24V two-way DC-isolation voltage, it is possible to for measuring sensor and data
Collector is powered.Cabinet is the protective cover of data acquisition unit, electromagnetic interference signal in shield test reactor environment,
For being arranged on cabinet inside circuit and power supply heat sinking, it is to avoid the corrosion to them of aqueous vapor, salinity, thus protect
Card data acquisition unit is reliably, run efficiently.
Data analytics server comprises four main modular, respectively data reception module, data storage mould
Block, data analysis module and data disaply moudle.Data analytics server connects data acquisition by Ethernet
The real-time processor of storage, receives the data that data acquisition unit is uploaded, and data carries out Error processing, divides
Measurement data, analysis data are stored local hard disk by analysis and classification display.
System for collecting and analyzing water power test data of marine monitoring instrument device model of the present invention,
Achieve synchronous acquisition multiple measurement factor data, in real time monitoring to measure the change of key element, analyze and manage
The function of test data, thus for gathering the environment of indoor ocean monitor instrument device model hydrodynamic test
Data and objective body performance data, assessment monitoring instrument equipment service behaviour under actual marine environment carry
Effective experimental technique means are supplied.
Accompanying drawing explanation
Fig. 1 is that system for collecting and analyzing water power test data of marine monitoring instrument device model of the present invention exists
Schematic layout pattern in experimental trough；
Fig. 2 is system for collecting and analyzing water power test data of marine monitoring instrument device model of the present invention
Theory diagram；
Fig. 3 is the structured flowchart of the data acquisition unit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described further.
Fig. 1 shows system for collecting and analyzing water power test data of marine monitoring instrument device model of the present invention
Layout in experimental trough.As it is shown in figure 1, tank length 75 meters, wide 1.6 meters, deep 2 meters, work
The depth of water 1.2 meters.Ocean monitor instrument device model hydrodynamic test is carried out, in tank in experimental trough
Installing current generating system 1 and overlap (Peak Flow Rate 1.5m/s, the degree of accuracy ± 5%F.S), wave making system 1 overlaps (ripple
High scope (0.02m-0.4m, the degree of accuracy ± 4%F.S;Period of wave scope 0.5s-5s, the degree of accuracy ± 4%F.S),
Wind making system 1 overlaps (maximum wind velocity 10m/s, the degree of accuracy ± 10%F.S), thus realize to oceanic winds,
Wave, the simulation of mobilization force environment.For current generating system, experimental trough is respectively provided with flow inlet and goes out
Head piece, installs circulating line and water pump, water pump drives in water trough body and circulation in water trough body bottom
The circulating water flow of 0-1.5m/s scope is generated between pipeline.For wave making system, install in flow inlet side
Wave maker, is driven wave paddle to generate wave by wave maker.For wind making system, install going out head piece side
Make blower fan, by the wind making blower fan generation 0-10m/s scope.In process of the test, need monitoring instrument
Device model is deployed in stormy waves stream immixture trial zone, and wave height is measured sensor, flow-speed measurement respectively
Sensor, wind speed measuring sensor are deployed in each measuring point, according to the requirement of different tests, selectively will
Pulling force sensor, pressure sensor, wheel speed sensor, impeller torque sensor are deployed on model,
Be acquired measurement data by data collection and transmission, store, analyze and classify display.
Fig. 2 is system for collecting and analyzing water power test data of marine monitoring instrument device model of the present invention
Theory diagram.As in figure 2 it is shown, the data collection and transmission of the embodiment of the present invention by measure sensor,
Data acquisition unit, data analytics server three part form.Measure sensor to be fixed by support and intermediate plate
In each measurement position of experimental trough, the output measuring sensor uses three-wire system Shielded Twisted Pair even
Be connected to the aviation plug of data acquisition unit input, in Shielded Twisted Pair three-wire system be respectively positive power line,
Holding wire and ground wire.Measure sensor by Shielded Twisted Pair and the measurement signal of output is transferred to data acquisition
Storage, and data acquisition unit by Shielded Twisted Pair for measure sensor provide its required direct current 12V and
24V operating voltage.Data acquisition unit comprises real-time processor, fpga logic controller, capture card, confession
Electricity power supply and cabinet.Each capture card passage is provided with the interface of current sensor or voltage sensor, and
And built-in signal filter circuit and analog to digital conversion circuit, complete the conditioning measuring sensor output signal,
And curtage signal is converted into data signal.Use between fpga logic controller and capture card
The mode of Star topology connects, and is communicated with capture card by spi bus, it is possible to directly access
Hardware resource on each capture card, thus realize multi-channel data acquisition is carried out accurate timing, triggering
And Synchronization Control.Fpga logic controller onboard data transmission mechanism, it is possible to by pci bus data
It is transferred to real-time controller.Real-time processor receives the data of FPGA transmission, uses algorithm to carry out data
Process, initial data is converted into valid data, realize the basis to measurement data by his built-in flash memory
Ground storage, and by built-in Ethernet interface, the data after processing upload onto the server.Power supply
There is provided 12V and 24V two-way DC-isolation voltage for sensor, provide direct current 24V work for data acquisition unit
Make voltage.Cabinet uses corrosion-resistant, the aluminum alloy materials of high intensity, and shell uses reinforcing rib structure；Machine
The seam crossing that each side plate of case connects all uses groove to design, and installs corrosion resistance sealing ring in inside grooves,
Sealing property overall after ensureing cabinet installation；The seam of cabinet side board is outside uses sealant sealing,
Further enhance the sealing water resistance of casing.Use Ethernet netting twine connect data acquisition unit output and
RJ45 interface between data analytics server input, to realize data acquisition unit by Ethernet by survey
Amount data are uploaded to data analytics server.Data analytics server complete the Error processing to measurement data,
Analyze, store and classify display.
Measure sensor to realize hydrodynamic environment and pressure, pulling force, impellers such as wind speed, flow velocity, wave height
The measurement of the objective body performance such as torque, wheel speed, and measurement result is believed with current signal or voltage
Number form export to data acquisition unit.
Fig. 3 shows the basic structure of the data acquisition unit of the present invention.Shown in data acquisition unit be responsible for synchronize,
Gather continuously ocean monitor instrument device model wind speed in experimental trough carries out process of the test, flow velocity,
Wave height, period of wave etc. dynamic environment data, and pulling force, pressure, wheel speed, impeller moment of torsion, electricity
The objective body performance datas such as power, and measurement data is uploaded to server by Ethernet.Such as Fig. 2 institute
Showing, data acquisition unit mainly includes capture card, fpga logic controller, real-time processor, power supply and machine
Case.Each capture card comprises 8 road acquisition channels, and every paths is provided with current sensor or voltage sensor
The interface of device, and built-in signal filter circuit and analog to digital conversion circuit, complete measuring sensor output
The conditioning of signal, and curtage signal is converted into data signal.Adopt between FPGA and capture card
Connect by the mode of Star topology, and communicated with capture card by spi bus, it is possible to directly visit
Ask the hardware resource on each capture card, thus realize multi-channel data acquisition carrying out accurate timing, touching
Send out and Synchronization Control.Fpga logic controller onboard data transmission mechanism, it is possible to by pci bus number
According to being transferred to real-time controller.Fpga logic controller use the active crystal oscillator of 40MHz, through frequency multiplication or point
After Pin, driving internal logic unit or the clock of peripheral hardware, internal operation clock frequency reaches as high as 500MHz,
Thus ensure the accuracy of high speed acquisition clock.FPGA internal clocking management module uses digital delay phase-locked
The method of ring, eliminates the time delay of clock, frequency synthesis, the phase place of adjustment clock, it is achieved zero clock drift,
Eliminate the distribution time delay of clock, and realize the closed-loop control of clock.And clock may map to printed board
It is used for synchronizing external chip on circuit PCB, by the clock control integration inside and outside chip.By above-mentioned side
Method, ensure that the synchronism of system multi-channel data acquisition well.Real-time processor carries Vxworks
Real time operating system, system call carries out fully according to priority, it is to avoid competition between process and cause
Deadlock and choking phenomenon.By pci bus, real-time processor receives the data of FPGA transmission, uses and calculates
Data are processed by method, and initial data is converted into the valid data such as wind speed, flow velocity, wave height, pressure,
By built-in flash memory realize data locally stored, and by built-in Ethernet interface, will at
Data after reason are uploaded to data analytics server.Power supply provides 12V and 24V two-way DC-isolation voltage
Output, it is possible to provide efficient, pure power supply for measurement sensor and data acquisition unit.Cabinet is data
The protective cover of collector, electromagnetic interference signal in shield test reactor environment, put down for being arranged on cabinet inside observing and controlling
Platform and power supply heat sinking, it is to avoid the corrosion to them of aqueous vapor, salinity, thus ensure data acquisition unit reliable,
Run efficiently.
As in figure 2 it is shown, data analytics server mainly comprises four main modular, respectively data receivers
Module, data memory module, data analysis module and data disaply moudle.Data analytics server is passed through
Ethernet receives the measurement data uploaded of data acquisition unit, the Error processing of complete paired data, analyzes, deposits
Storage and classification display (numerical value, figure).
(1) data reception module: data analytics server receive packet that data acquisition unit uploads it
After, place data into immediately in buffer queue, wait that data are processed and analyze by data analysis module.
Use caching technology, can keep in uploading data, when data analytics server heavier loads when,
Postponement processes data, thus avoids that data acquisition unit is sent the data come and abandon.
(2) data analysis module: data analysis module can poll buffer queue, take out after data first logarithm
Resolve according to bag, data are corresponded to each and measures on sensor device, then utilize be previously set to repair
Positive parameter logistic is according to being modified, and as requested data is carried out Error processing, including to systematic error,
Random error and the process of anomalous differences.After processing data, data can be entered by data analysis module
Row statistical analysis (maximum, minimum of a value, mean value, mean square deviation), and frequency domain spectra analysis.
(3) data memory module: after data are analyzed and process by data analysis module, data are sent out
Send and store to local hard drive.Storage to data uses asynchronous system operation, it is possible to greatly reduce data
The burden of Analysis server, improves Whole Response speed.
(4) data disaply moudle: provide single channel or multichannel mode to show the monitoring numerical value of key element, ripple
Shape or frequency spectrum, and it is capable of the Zoom display to data waveform or frequency spectrum.Additionally, this module provides
The inquiry of historical data and display service, according to querying condition, according to test number or time inquiring, select
Qualified test, displays the test data of lookup with form intuitively.
The data collection and transmission disposed can enter duty after switching on power: the most respectively to
Data acquisition unit, data analytics server are powered, when after the ambient stables such as experimental trough apoplexy, wave, stream,
Start data acquisition unit, then given respectively on each measurement sensor by predetermined sequential by data acquisition unit
Electricity.After sensor has powered on, data acquisition unit starts to gather the output signal measuring sensor, to letter
Number it is filtered processing, completes analog signal to the conversion of data signal, and according to algorithm by original number
According to being converted into the valid data such as wind speed, flow velocity, wave height, pressure, pulling force, impeller moment of torsion, wheel speed,
Then by Ethernet, data are uploaded to data analytics server.Receive the number that data acquisition unit is uploaded
According to rear, data analytics server carries out Error processing, display of analyzing, store and classify to measurement data.
Claims (4)
1. a system for collecting and analyzing water power test data of marine monitoring instrument device model, it is characterised in that
Including measuring sensor, data acquisition unit and data analytics server；Measure sensor and be arranged on experimental trough
In, data acquisition unit and data analytics server are arranged on outside experimental trough, measure sensor and connect data
Collector, data acquisition unit connects data analytics server；
Measure sensor and include hydrodynamic environment parameter: the sensor that wind speed, flow velocity, wave height measure,
Also include objective body performance parameter: the sensing that pressure, pulling force, impeller torque, wheel speed measure
Device, measures sensor and measurement result is exported to data acquisition unit with the form of analog signal；
Data acquisition unit comprises real-time processor, fpga logic controller, capture card, power supply and cabinet；
Each capture card passage is provided with the interface of current sensor and voltage sensor, will measure sensor output
Analog voltage signal and analog current signal are converted into data signal；Fpga logic controller and capture card it
Between use the mode of Star topology to connect, and communicated with capture card by spi bus；
Data analytics server comprises four main modular, respectively data reception module, data memory module,
Data analysis module and data disaply moudle.
Ocean monitor instrument device model hydrodynamic test data collection and analysis the most according to claim 1
System, it is characterised in that use SPI universal serial bus to enter between described capture card and fpga logic controller
Row connects.
Ocean monitor instrument device model hydrodynamic test data collection and analysis the most according to claim 1
System, it is characterised in that use PCI the most total between described fpga logic controller and real-time processor
Line is attached, and real-time processor is responsible for the transmission of data analysis, file.
Ocean monitor instrument device model hydrodynamic test data collection and analysis the most according to claim 1
System, it is characterised in that use Ethernet to carry out even between described data analytics server and data acquisition unit
Connect.
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| CN104375894B (en) * | 2014-12-02 | 2018-05-15 | 天津航空机电有限公司 | A kind of sensing data processing unit and method based on queue technology |
| CN104458205A (en) * | 2014-12-08 | 2015-03-25 | 国家海洋技术中心 | Circulating-water-flow wave flow testing device |
| CN106710193A (en) * | 2016-12-30 | 2017-05-24 | 中国机械工业集团有限公司 | Power supply and data acquisition circuit distributing and integrating device for portable vibration pickup |
| CN109883645A (en) * | 2019-03-15 | 2019-06-14 | 上海交通大学 | The equivalent simulation method and apparatus of floating blower model test floating motion |
| CN110849652B (en) * | 2019-12-06 | 2021-10-15 | 中国交通建设股份有限公司 | Intelligent control method and system for physical model test process |
| CN111400367B (en) * | 2020-02-28 | 2023-12-29 | 金蝶蝶金云计算有限公司 | Service report generation method, device, computer equipment and storage medium |
| CN111337222B (en) * | 2020-03-24 | 2021-08-31 | 大连理工大学 | Event-triggered wave pool/water tank experimental device and method thereof |
| CN113706974B (en) * | 2021-09-07 | 2023-05-30 | 哈尔滨工业大学（威海） | Ocean exploration technique teaching experiment system |
| CN115979350A (en) * | 2023-03-20 | 2023-04-18 | 北京航天华腾科技有限公司 | Data acquisition system of ocean monitoring equipment |
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