CN107092454A - A kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown - Google Patents
A kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown Download PDFInfo
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- CN107092454A CN107092454A CN201710127398.9A CN201710127398A CN107092454A CN 107092454 A CN107092454 A CN 107092454A CN 201710127398 A CN201710127398 A CN 201710127398A CN 107092454 A CN107092454 A CN 107092454A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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Abstract
A kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown, step is as follows：One, software platform is taken, optic fiber grating wavelength data are transferred on software platform by network communication protocol；Two, this computer is arrived into wavelength data storage, and creates array and deposits current data；Three, the time TIME of timer is set；Four, judge whether sensor passage changes, current channel number is preserved if changing, next step is directly carried out if not changing；Five, set data to count, carry out plot and display；Six, find out the maxima and minima of current array；Seven, ordinate value is updated in real time according to the change of data；By above step, realize the optic fiber grating wavelength data real-time drawing function based on VC and show, solve the problems such as optic fiber grating wavelength excursion in practical application is small, real-time is high, transmission channel is more, be conducive to popularization and application in a practical situation.
Description
Technical field
The present invention provide it is a kind of based on Microsoft's C/C++ compilers (i.e. MicroSoft Visual C/C++, hereinafter referred to as
VC the method that optic fiber grating wavelength data real-time drawing function) is shown, it is related to a kind of based on real-time to optic fiber grating wavelength data
The method of plot and display, belongs to computer real-time drawing function display technology field.
Background technology
Fiber grating have the advantages that it is lightweight, corrosion-resistant, at present in Petroleum Industry, power industry, Aero-Space etc.
Multiple fields are applied, and are frequently necessary to be stored the data of wavelength during the use of fiber grating, and supervise in real time
The situation of change of optic fiber grating wavelength data is controlled, is shown herein using the VC real-time drawing functions for carrying out optic fiber grating wavelength data.
In the drawing algorithm that existing VC is shown in real time, it common are pointwise split screen and draw and dynamic drafting, pointwise point
Screen drafting is drawn first point, second point according to time sequencing and is eliminated to completely whole viewing area, rear all points is painted, weight
The new drafting for starting next round, this algorithm does not simply still meet normal visual custom；Dynamic, which is drawn, to be included directly translating
Method and auxiliary picture box method, direct shifting method is first drawn to whole screen, then wipes leftmost a part of curve, will be surplus
Under curve map be placed on screen high order end, then drawn in right side blank area, so as to realize the translation to image；Aid in picture box method
It is to be drawn in data on the auxiliary picture box of twice of size of plot space, interception is moved with the picture box of screen size and is realized
The translation of image.They can realize the real-time display of image, still, and optic fiber grating wavelength signal has data in practical application
The problems such as changing small and many transmission channels, causes optic fiber grating wavelength signal to be difficult to realize real-time display using above method.Base
In problem above, a kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown is proposed.
The content of the invention
The purpose of the present invention is：
For the problems such as fiber grating actual wavelength signal excursion is small, display frequency can not be changed, transmission channel is more,
A kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown is proposed, so as to stable to fiber grating ripple
Long data are shown, and the adjustment transverse and longitudinal coordinate of dynamic, change display frequency and points, the switching for realizing transmission channel etc.
Function, enables the display of optic fiber grating wavelength data to more conform to actual conditions.
The method that a kind of optic fiber grating wavelength data real-time drawing function based on VC of invention is shown, its specific steps
It is as follows：
Step one, optic fiber grating wavelength data transmission software platform is built, the optic fiber grating wavelength data of hardware are passed through
Network communication protocol is transferred on software platform；
Step 2, will be transmitted to the wavelength data storage of software platform to this computer, and creates array and deposit currently
Data；
Step 3, sets the time TIME of timer, for the display frequency of control data；
Step 4, judges whether sensor passage changes, and current channel number is preserved if changing, and empties current
Drawing enter next step, if do not change if directly progress next step；
Step 5, sets the data to be shown points on screen, is set to DATA_NUM, carry out plot and display；
Step 6, finds out the maxima and minima of current array, is set to DATA_MAX and DATA_MIN, if data
Number is less than DATA_NUM, then to the data maximizing and minimum value of current number, if data amount check is equal to DATA_NUM,
Then to DATA_NUM data maximizing and minimum value；
Step 7, ordinate value is updated in real time according to the change of data, so that optic fiber grating wavelength data are small
Remained to during range display when fluctuating range it is larger, be easy to observation.
Wherein, " building optic fiber grating wavelength data transmission software platform " described in step one, refers to be based on Microsoft
The version of C/C++ compilers 6.0 (i.e. VC++6.0) and Microsoft Foundation class libraries Microsoft Foundation Classes are (referred to as
MFC) the software platform for transmission process optic fiber grating wavelength data of exploitation；Specific practice is to install VC+ on computers
+ 6.0, the engineering of newly-built entitled " Fiber " designs and develops software platform using MFC.
Wherein, " will be transmitted to the wavelength data storage of software platform to this computer, and creating described in step 2
Array deposits current data ", its practice is as follows：Text document is created, DATA.txt is named as, with data stream B uffer by number
According to writing into text document, and create array TEMP and deposit current data.
Wherein, " sensor passage " described in step 4, refers to the data channel of different Fiber Bragg Grating FBGs,
Software desk Implementation of the present invention be multi fiber grating sensor wavelength data real-time display, one " sensor passage "
Refer to the wavelength data passage of a fiber-optic grating sensor.
By above step, realize the optic fiber grating wavelength data real-time drawing function based on VC and show, solve actual answer
With the problems such as middle optic fiber grating wavelength excursion is small, real-time is high, transmission channel is more, be conducive to popularization in a practical situation
Using.
The advantage of the invention is that：
1st, solving coordinate when data during optic fiber grating wavelength data display are shown in real time can not change, no at any time
The problem of display frequency and not changeable display channel can be changed.
2nd, implementation is simple, no complicated algorithm, applicability and workable, coordinates VC transmission control protocol (i.e.
What TCP) communication can be stable is transmitted and realizes the effect shown in real time to data, and optic fiber grating wavelength data are shown in real time
Precision and stability improve obvious.
3rd, compared with the algorithm that other real-time drawing functions are shown, methods described herein are by the original number of optic fiber grating wavelength signal
According to being stored, be conducive to actual application.
Brief description of the drawings
Fig. 1 the method for the invention flow charts.
Optic fiber grating wavelength data display results of the Fig. 2 when K values set too small.
Optic fiber grating wavelength data display results of the Fig. 3 when K values set excessive.
Optic fiber grating wavelength data display results of the Fig. 4 when K values set suitable.
Sequence number, symbol, code name are described as follows in figure：
In Fig. 1：" DATA_NUM " is the data to be shown points；" DATA_MAX " is the maximum of data in array,
" DATA_MIN " is the minimum value of data in array.
Embodiment
The method that a kind of optic fiber grating wavelength data real-time drawing function based on VC of the present invention is shown, as shown in Figure 1, its is specific
Step is as follows：
Step one：Optic fiber grating wavelength data transmission software platform is built, the software version used is Microsoft C/C++ compilings
The version of device 6.0 (i.e. VC++6.0), is communicated using Transmission Control Protocol, software platform is arranged into server, can be for connecing
Receive the data that different clients are sent.
Step 2：Will be transmitted to the data Cun Chudao local (i.e. this computer) of software platform, and create array storage ought
Preceding data.It is deposited into when intercepting after function finds and has data transfer in the array of definition, if array is TEMP, then
Text storage data are created, and real-time update is carried out to data.
Step 3, sets the time TIME of timer, for the display frequency of control data, is called in timing function
Drawing function, plot and display is just carried out when reaching the time of setting, so as to control the frequency shown in real time.
Step 4：Judge whether sensor passage changes, sensor passage is got off with variable storage, be set to
SENSOR_NUM, therewith compares current sensor passage number, if equally, sensor passage does not change, is directly entered
Next step, if different, SENSOR_NUM is stored in by current sensor passage number, and empties drawing, does drafting current
The preparation of sensor passage data.
Step 5, sets the data to be shown points on screen, is set to DATA_NUM, and being sized to array
DATA_NUM, when the number of data is less than DATA_NUM, Drawing Directly, when the number of data is more than DATA_NUM, by array
Data reach, and current data are assigned to last position.
Step 6, finds out the maximum DATA_MAX and minimum value DATA_MIN of current array, sets a data for most
Big value and minimum value, travel through all data, if current data is bigger than maximum, by current data assignment to maximum；If
Current data is smaller than minimum value, then by current data assignment to minimum value.
Step 7, ordinate value is updated in real time according to the change of data, according to minimax value changes, if K is
Constant, for controlling the change of ordinate, DATA_MAX+ (DATA_MAX-DATA_MIN) * K are determined by the maximum of ordinate,
Minimum value is defined as DATA_MIN- (DATA_MAX-DATA_MIN) * K, can show curve when the selection of K values is too small incomplete, such as
Shown in Fig. 2；When the selection of K values is excessive the viewing area of data can be made too small, as shown in Figure 3；To show max min
On image and there is preferable effect, K is that 0.075 display is best after tested, and display effect is as shown in Figure 4.
Claims (4)
1. a kind of method that optic fiber grating wavelength data real-time drawing function based on VC is shown, it is characterised in that：Its specific steps is such as
Under：
Step one, optic fiber grating wavelength data transmission software platform is built, the optic fiber grating wavelength data of hardware are passed through into network
Communication protocol is transferred on software platform；
This computer is arrived in step 2, the wavelength data storage that will be transmitted to software platform, and creates the current number of plural groups storage
According to；
Step 3, sets the time TIME of timer, for the display frequency of control data；
Step 4, judges whether sensor passage changes, and preserves current channel number if changing, empties current paint
Figure enters next step, and next step is directly carried out if not changing；
Step 5, sets the data to be shown points on screen, is set to DATA_NUM, carry out plot and display；
Step 6, finds out the maxima and minima of current array, is set to DATA_MAX and DATA_MIN, if data amount check
It is less than DATA_NUM, then right if data amount check is equal to DATA_NUM to the data maximizing and minimum value of current number
DATA_NUM data maximizing and minimum value；
Step 7, ordinate value is updated in real time according to the change of data, so that optic fiber grating wavelength data are in small range
Remained to during change display when fluctuating range it is larger, be easy to observation；
By above step, realize the optic fiber grating wavelength data real-time drawing function based on VC and show, solve in practical application
The problems such as optic fiber grating wavelength excursion is small, real-time is high, transmission channel is more, is conducive to popularization in a practical situation should
With.
2. the method that a kind of optic fiber grating wavelength data real-time drawing function based on VC according to claim 1 is shown, it is special
Levy and be：" building optic fiber grating wavelength data transmission software platform " described in step one, refers to compile based on Microsoft C/C++
The version of device 6.0, i.e. VC++6.0 and Microsoft Foundation class libraries Microsoft Foundation Classes, abbreviation MFC are translated, is developed
The software platform for transmission process optic fiber grating wavelength data；Specific practice is to install VC++6.0 on computers, newly
The engineering of entitled " Fiber " is built, software platform is designed and developed using MFC.
3. the method that a kind of optic fiber grating wavelength data real-time drawing function based on VC according to claim 1 is shown, it is special
Levy and be：" will be transmitted to the wavelength data storage of software platform to this computer, and creating plural groups described in step 2
The current data of storage ", its practice is as follows：Text document is created, DATA.txt is named as, is write data with data stream B uffer
Enter in text document, and create plural groups TEMP and deposit current data.
4. the method that a kind of optic fiber grating wavelength data real-time drawing function based on VC according to claim 1 is shown, it is special
Levy and be：" sensor passage " described in step 4, refers to the data channel of different Fiber Bragg Grating FBGs, the software
Platform is accomplished that the real-time display of multi fiber grating sensor wavelength data, and one " sensor passage " is to refer to an optical fiber light
The wavelength data passage of gate sensor.
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Cited By (2)
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| CN107631698A (en) * | 2017-09-08 | 2018-01-26 | 北京航空航天大学 | A kind of implementation method based on optical fiber and smart coat structure monitoring software platform |
| CN107655419A (en) * | 2017-09-08 | 2018-02-02 | 北京航空航天大学 | A kind of method of fiber grating and smart coat sensing data plot and display |
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Application publication date: 20170825 |