CN106802133A - Data processing method, data handling system and strain gauge means - Google Patents
Data processing method, data handling system and strain gauge means Download PDFInfo
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- CN106802133A CN106802133A CN201710067906.9A CN201710067906A CN106802133A CN 106802133 A CN106802133 A CN 106802133A CN 201710067906 A CN201710067906 A CN 201710067906A CN 106802133 A CN106802133 A CN 106802133A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
Abstract
The invention provides a kind of data processing method of the high speed demodulation based on double First Input First Outputs, methods described comprises the following steps：(1) host computer obtains switching signal, read UDP message agreement, the first First Input First Output memory module is write data into, if wherein the data storage of the first First Input First Output memory module reaches 16k, the data of the host computer reading the first First Input First Output memory module；(2) the data feeding data processing module of the first First Input First Output memory module for reading is carried out into data processing, while repeat step (1)；(3) data after treatment in step (2) are written to the second First Input First Output memory module, if the data storage of wherein described second First Input First Output memory module reaches 16k, the host computer reads the data of the second First Input First Output memory module；(4) data after step (3) treatment are write document by closing switch signal.The present invention realizes that data acquisition and procession separated time journey is carried out, and effectively improves data acquisition and processing (DAP) speed.
Description
Technical field
The present invention relates to data acquisition process technical field, more particularly to data processing method, data handling system and should
Become measurement apparatus
Background technology
Fiber Bragg Grating FBG (fiber bragg grating, FBG) is optical fiber passive with the fastest developing speed in recent years
One of device.Fiber-optic grating sensor is a kind of wavelength modulation type device, and the change of external physical quantity can influence fiber grating
Centre wavelength, by the situation of change that external physical quantity is obtained by the change for measuring fiber bragg grating center wavelength.Fiber grating
The features such as sensor has sensitivity high, fast response time, small volume, lightweight and electromagnetism interference.Civil engineering,
The fields such as Aero-Space, machine-building, health care are widely used in the measurement of the parameters such as strain, temperature, vibration.As sensing is
The extensive use of system, design one kind can realize high-speed data acquisition, and the data processing structure of multithreading operation is urgently
The problem of solution.
First Input First Output (FIFO:First In First Out) access simple, and substantial amounts of decoding circuit is not needed,
Therefore it is used widely in electronic system, is usually used in the various necks such as high-speed data acquisition, multiple processor interface and speed buffering
Domain.First Input First Output (FIFO) memory is frequently used in system design, and the use of First Input First Output (FIFO) can be with
Making the data transmission rate of system increases, beneficial to the system substantial amounts of data flow for the treatment of so that system has can match different transmission
The function of rate, so that the performance of whole system is improved.The outstanding feature of First Input First Output (FIFO) memory is just
It is FIFO, i.e., the first data meeting first for being stored in memory is read, and First Input First Output has independent data defeated
Entrance and data output, not used for the external address bus of read-write, this is also that First Input First Output (FIFO) is stored with other
The maximum difference of device, so as to the read-write operation very simple of First Input First Output, it is not necessary to complicated control logic,
The read-write pointer that memory inside is included can Jia one automatically, and data are by the write-in of order again by the reading of user's order.But it is existing
It is that single thread is run to have in technology for data acquisition, data processing, and program operation speed is slow, and data processing can cause not in time
Data acquisition interim card, causes loss of data.Accordingly, it would be desirable to a kind of first enter elder generation to data high speed acquisition and parallel processing based on double
At the data processing method of the high speed demodulation of dequeue (FIFO) and the data of the high speed demodulation based on double First Input First Outputs
Reason system.
The content of the invention
One aspect of the present invention is to provide a kind of data processing side of the high speed demodulation based on double First Input First Outputs
Method, methods described comprises the following steps：
(1) host computer obtains switching signal, reads UDP message agreement, writes data into the storage of the first First Input First Output
Module, wherein
If the data storage of the first First Input First Output memory module reaches 16k, the host computer reads described the
The data of one First Input First Output memory module；
(2) the data feeding data processing module of the first First Input First Output memory module for reading is carried out into data
Treatment, while repeat step (1)；
(3) data after treatment in step (2) are written to the second First Input First Output memory module, wherein
If the data storage of the second First Input First Output memory module reaches 16k, the host computer reads described the
The data of two First Input First Output memory modules；
(4) data after step (3) treatment are write document by closing switch signal.
Preferably, in the step (1), if the data storage of the first First Input First Output memory module is not up to
16k, then return and continue to read UDP message agreement.
Preferably, in the step (3), if the data storage of the second First Input First Output memory module is not up to 16k,
Return and continue for the data for the treatment of in write step (2) to be written to the second First Input First Output memory module.
Preferably, the queue of the first First Input First Output memory module and the second First Input First Output memory module is most
Long length is consistent.
Preferably, the host computer is PC, work station or touch screen computer.
Another aspect of the present invention is to provide a kind of data processing of the high speed demodulation based on double First Input First Outputs
System, the system includes the first First Input First Output memory module, the data for storing host computer write-in；
Data processing module, data processing is carried out for the data to the first First Input First Output memory module；
Second First Input First Output memory module, for storing the data after the data processing module treatment.
Preferably, the queue of the first First Input First Output memory module and the second First Input First Output memory module is most
Long length is consistent.
Preferably, the host computer is PC, work station or touch screen computer.
Another aspect of the invention be provide it is a kind of comprising the high speed demodulating data based on double First Input First Outputs at
The strain gauge means of reason, described device includes that fiber Bragg grating (FBG) demodulator, fiber Bragg grating strain sensor, the beam of uniform strength, ASE are wide
Band light source and resistance strain gage；Wherein
The fiber Bragg grating strain sensor is pasted in the beam of uniform strength side；The beam of uniform strength opposite side pastes institute
Resistance strain gage is stated as data reference object；
The double First Input First Output high speed demodulating data processing systems of fiber Bragg grating (FBG) demodulator insertion, it is described for gathering
The centre wavelength drift data of fiber Bragg grating strain sensor, and data processing is carried out to data.
High speed demodulating data processing method based on double First Input First Outputs and first enter elder generation based on double that the present invention is provided
The data handling system of the high speed demodulation of dequeue, realizes the multithreading operation of program, is prevented effectively from because processing speed is led more slowly
Cause the influence to data acquisition that causes not in time of data processing, improve the stability of program, realize the high speed acquisition of data with
Treatment, it is not easy to cause loss of data.
A kind of strain gauge means comprising the treatment of double First Input First Output high speed demodulating datas that the present invention is provided can
The complete information of storage, easily can be verified and be analyzed to storage information.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to claimed content of the invention.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the present invention more purpose, function and advantages are by by the as follows of embodiment of the present invention
Description is illustrated, wherein：
Fig. 1 shows the structured flowchart of the data handling system of high speed demodulation of the present invention based on double First Input First Outputs；
Fig. 2 shows the data processing method FB(flow block) that the present invention is demodulated at a high speed based on double First Input First Outputs；
Fig. 3 shows the data handling procedure circulation figure that the present invention is demodulated at a high speed based on double First Input First Outputs；
Fig. 4 shows strain gauge means of the present invention comprising the high speed demodulating data treatment based on double First Input First Outputs
Schematic diagram；
Fig. 5 shows the data processed result of high speed demodulation of the present invention based on double First Input First Outputs；
Fig. 6 shows the data processed result of sequential organization demodulation.
Specific embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to one exemplary embodiment as disclosed below；Can by multi-form come
It is realized.The essence of specification is only to aid in various equivalent modifications Integrated Understanding detail of the invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar part, or same or like step.In order that present disclosure is clearly explained, first to this hair
The data handling system of the demodulation of the high speed based on double First Input First Outputs of bright offer is illustrated, it will be appreciated that in the present invention
The First Input First Output (FIFO) is the sequentially execution method of computer, that is to say, that computer instruction is according to FIFO
The method that order is lined up and performed in sequence.
The present invention is based on the structured flowchart of the data handling system of the high speed demodulation of double First Input First Outputs as shown in Figure 1,
Embodiments in accordance with the present invention, the data handling system of the high speed demodulation based on double First Input First Outputs (FIFO) includes first first
Enter first dequeue (FIFO) memory module 102, the second First Input First Output (FIFO) memory module 104 and data processing module
103.Wherein the first First Input First Output (FIFO) memory module 102, the data for storing the write-in of host computer 101；
Data processing module 103, is carried out for the data to the first First Input First Output (FIFO) memory module 102
Data processing；
Second First Input First Output (FIFO) memory module 104, after storing the treatment of the data processing module 103
Data.
First First Input First Output of the invention deposits (FIFO) storage module 102 and second First Input First Output (FIFO) storage mould
The queue maximum length of block 104 is consistent, so as to not lost in ensureing data transfer.Preferably, host computer 101 in the present embodiment
Including but not limited to PC, work station or touch screen computer.
The present invention is based on the data processing method flow chart of double First Input First Outputs (FIFO) high speed demodulation as shown in Figure 2,
The data handling procedure based on double First Input First Outputs (FIFO) high speed demodulation of the invention circulates figure, base of the present invention as shown in Figure 3
In the data processing method that the high speed of double First Input First Outputs (FIFO) is demodulated, comprise the following steps：
Step S101, data write-in the first First Input First Output (FIFO) memory module：Host computer obtains switching signal, reads
UDP message agreement is taken, the first First Input First Output (FIFO) memory module is write data into, wherein
If the data storage of the first First Input First Output (FIFO) memory module reaches 16k, the host computer reads
The data of the first First Input First Output (FIFO) memory module；
If the data storage of the first First Input First Output (FIFO) memory module is not up to 16k, returns and continue to read
Take UDP message agreement；
Step S102, data processing module are processed data：First enter elder generation by read described first in step S101
The data feeding data processing module of dequeue (FIFO) memory module carries out data processing, now the first First Input First Output
(FIFO) memory module state is sky, and the first First Input First Output (FIFO) memory module can be while in repeat step S101
Data write, and realize that data acquisition is carried out with data processing separated time journey；
Step S103, data write-in the second First Input First Output (FIFO) memory module：After being processed in step S102
Data are written to the second First Input First Output (FIFO) memory module, wherein
If the data storage of the second First Input First Output (FIFO) memory module reaches 16k, the host computer reads
The data of the second First Input First Output (FIFO) memory module；
If the data storage of the second First Input First Output memory module is not up to 16k, returns and continue write step
The data processed in S102 are written to the second First Input First Output (FIFO) memory module；
Step S104, data write-in document：Data after step S103 treatment are write document by closing switch signal.
Similarly, the above-mentioned data processing method demodulated at a high speed based on double First Input First Outputs (FIFO), first first enters elder generation
The queue maximum length of dequeue (FIFO) memory module and the second First Input First Output (FIFO) memory module is consistent, so that
Ensure not lost in data transfer.Preferably, host computer includes but is not limited to the calculating of PC, work station or touch screen in the present embodiment
Machine.
The data processing method that the present invention is demodulated at a high speed based on double First Input First Outputs (FIFO), by the first FIFO
Queue (FIFO) memory module, data processing module and the second First Input First Output (FIFO) memory module are to data acquisition sum
Carried out according to treatment separated time journey, make the two does not produce interference while being in communication with each other, be prevented effectively from processing speed causes data slowly
The influence to data acquisition that treatment is caused not in time.
The present embodiment is demodulated at a high speed by the sequential organization demodulation present invention based on double First Input First Outputs (FIFO) below
Data acquisition and processing (DAP) to fiber grating strain measurement process is compared.
First to strain measurement of the present invention comprising the high speed demodulating data treatment based on double First Input First Outputs (FIFO)
Device is illustrated, and the present invention includes the high speed demodulating data treatment based on double First Input First Outputs (FIFO) as shown in Figure 4
The schematic diagram of strain gauge means, the present invention should comprising the high speed demodulating data treatment based on double First Input First Outputs (FIFO)
Becoming measurement apparatus includes fiber Bragg grating (FBG) demodulator 406, fiber Bragg grating strain sensor 403, the beam of uniform strength 402, ASE wideband light sources
401 and resistance strain gage 404；Wherein
The fiber Bragg grating strain sensor 403 is pasted in the side of the beam of uniform strength 402；The beam of uniform strength 402 is another
The resistance strain gage 404 is pasted as data reference object in side；
High speed demodulating data processing system of the insertion of the fiber Bragg grating (FBG) demodulator 406 based on double First Input First Outputs, uses
In the centre wavelength drift data of the collection fiber Bragg grating strain sensor 403, and data processing is carried out to data.Host computer
The opening and closing of 405 control fiber Bragg grating (FBG) demodulators 406.
ASE wideband light sources 401 send laser signal, while equivalent intensities beam 402 gradually imposed load, fiber grating strain
The centre wavelength of sensor 403 is drifted about, the optical fiber of the embedded high speed demodulating data processing system based on double First Input First Outputs
Grating demodulation instrument 406 carries out data demodulation treatment, and the data after treatment are preserved.The data that will be processed are preserved 60 seconds,
Repeat the data processing knot that experiment obtains high speed demodulation of the present invention based on double First Input First Outputs (FIFO) as shown in Figure 5 for three times
Really.
By sequential organization demodulation be embedded into fiber Bragg grating (FBG) demodulator 406, similarly configure it is lower to same group of fiber grating should
Become sensor 403 and repeat above-mentioned data handling procedure, i.e.,：ASE wideband light sources 401 send laser signal, while equivalent intensities beam
402 gradually imposed loads, the centre wavelength of fiber Bragg grating strain sensor 403 is drifted about, the optical fiber of embedded sequential organization demodulation
Grating demodulation instrument 406 carries out data demodulation treatment, and the data after treatment are preserved.The data that will be processed are preserved 60 seconds,
Repeat the data processed result that experiment obtains sequential organization demodulation as shown in Figure 6 for three times.
Said process, the process of the imposed load of equivalent intensities beam 402 can be equivalent intensities beam stretched, compress or
One or more of bending.
Comparison diagram 5 and Fig. 6 data results, the present invention include the high speed demodulating data based on double First Input First Outputs (FIFO)
The strain gauge means for the treatment of, sampling interval stabilization, do not easily cause loss of data.The sequential organization demodulation sampling interval is inconsistent,
And time spacing wave moves larger when gathering every time, causes substantial amounts of loss of data serious.
According to the strain measurement dress that the present invention is processed comprising the high speed demodulating data based on double First Input First Outputs (FIFO)
Put, data acquisition and processing (DAP) speed is much higher than sequential organization demodulation, and packet loss is significantly reduced, and the data for collecting are completeer
It is whole.Strain gauge means of the present invention comprising the high speed demodulating data treatment based on double First Input First Outputs (FIFO) are collected
Data are closer with the data that resistance strain gage 404 is recorded, with stability higher.
High speed demodulating data processing method based on double First Input First Outputs (FIFO) that the present invention is provided and based on double
The data handling system of the high speed demodulation of First Input First Output (FIFO), realizes the multithreading operation of program, is prevented effectively from because of place
Reason speed causes the influence to data acquisition that data processing is caused not in time more slowly, improves the stability of program, realizes data
High speed acquisition with treatment, it is not easy to cause loss of data.
One kind that the present invention is provided includes the strain measurement dress of double First Input First Output (FIFO) high speed demodulating data treatment
Putting can store complete information, easily storage information can be verified and analyzed.
With reference to the explanation of the invention and practice that disclose here, other embodiment of the invention is for those skilled in the art
All will be readily apparent and understand.Illustrate and embodiment is to be considered only as exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (9)
1. the data processing method that a kind of high speed based on double First Input First Outputs is demodulated, it is characterised in that methods described includes
Following steps：
(1) host computer obtains switching signal, reads UDP message agreement, writes data into the first First Input First Output memory module,
Wherein
If the data storage of the first First Input First Output memory module reaches 16k, the host computer reads described first first
Enter the data of first dequeue memory module；
(2) the data feeding data processing module of the first First Input First Output memory module for reading is carried out at data
Reason, while repeat step (1)；
(3) data after treatment in step (2) are written to the second First Input First Output memory module, wherein
If the data storage of the second First Input First Output memory module reaches 16k, the host computer reads described second first
Enter the data of first dequeue memory module；
(4) data after step (3) treatment are write document by closing switch signal.
2. processing method according to claim 1, it is characterised in that in the step (1), if first FIFO
The data storage of queue memory module is not up to 16k, then return and continue to read UDP message agreement.
3. processing method according to claim 1, it is characterised in that in the step (3), if the second First Input First Output
The data storage of memory module is not up to 16k, then return to continue for the data for the treatment of in write step (2) to be written to second and first enter
First dequeue memory module.
4. processing method according to claim 1, it is characterised in that the first First Input First Output memory module and
The queue maximum length of two First Input First Output memory modules is consistent.
5. processing method according to claim 1, it is characterised in that the host computer is PC, work station or touch screen meter
Calculation machine.
6. the data handling system that a kind of high speed based on double First Input First Outputs is demodulated, it is characterised in that the system includes
First First Input First Output memory module, the data for storing host computer write-in；
Data processing module, data processing is carried out for the data to the first First Input First Output memory module；
Second First Input First Output memory module, for storing the data after the data processing module treatment.
7. data handling system according to claim 6, it is characterised in that the first First Input First Output memory module
Queue maximum length with the second First Input First Output memory module is consistent.
8. processing method according to claim 6, it is characterised in that the host computer is PC, work station or touch screen meter
Calculation machine.
9. a kind of strain gauge means of the high speed demodulating data treatment comprising based on double First Input First Outputs, it is characterised in that
Described device includes fiber Bragg grating (FBG) demodulator, fiber Bragg grating strain sensor, the beam of uniform strength, ASE wideband light sources and resistance-strain
Piece；Wherein
The fiber Bragg grating strain sensor is pasted in the beam of uniform strength side；The beam of uniform strength opposite side pastes the electricity
Resistance foil gauge is used as data reference object；
The double First Input First Output high speed demodulating data processing systems of fiber Bragg grating (FBG) demodulator insertion, for gathering the optical fiber
The centre wavelength drift data of grating strain transducer, and data processing is carried out to data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610944580 | 2016-11-02 | ||
| CN2016109445809 | 2016-11-02 |
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