CN104063216A - High-speed data processing display method based on Labview - Google Patents
High-speed data processing display method based on Labview Download PDFInfo
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Abstract
The invention provides a high-speed data processing display method based on Labview. According to the method, modules are divided into 11 kinds of functional modules according to the module transmission speed, the real-time performance, the completeness and the resource occupation degree; a while circulation operation thread is created for each functional module; the priority and the circulation time of the functional modules are set by using the timing while circulation according to different requirements of the function modules on the transmission speed, the real-time performance, the completeness and the resource occupation. The method provided by the invention has the advantages that different modules are designed according to different function requirements of a system, the functions of data receiving, analyzing, displaying, storing, sending and the like are realized through adopting different modules, and the design and maintenance cost of program is reduced; the software operation efficiency is improved, the system resource occupation is reduced, the interface display smoothness is improved, and the handling capacity of the system during the high-speed data transmission and processing is improved.
Description
Technical field
The present invention relates to a kind of data processing display packing, specifically, relate to a kind of high-speed data method of processing display based on Labview.
Background technology
Use Labview platform to carry out Virtual Instrument Development and more and more used by vast scientific research institutions, because its construction cycle is short, beautiful interface, uses flexibly, and interface is numerous etc., and feature is used by vast scientific research institutions.
Large complicated labview comprises several functions conventionally, and modules collaborative work in use procedure meets custom system monitoring display control requirement.Virtual simulation test system based on Labview exploitation mainly comprises " front panel " and " flow chart " composition." front panel ", for system interaction interface, by using the controls such as button, curve, list, state box, realizes system detected state information feedback, the functions such as user operation case response; " flow chart ", for system logic flow scheme design, by distribution, layout, the design of data message stream, realizes the functions such as " front panel " background program logical calculated.
But along with the continuous complexity of system, system scale constantly increases, system internal feedback, control signal are on the increase, original design method is according to the direction of data message stream, use sequential organization that system data is resolved, shows, stored, and use the Event triggered mechanism of acquiescence to respond customer incident, this design cycle is built owing to lacking program operation frame rationally and effectively, cause program in the time of operation, efficiency is low, system resource takies greatly, high-speed data is processed image while transmission and shown clamping stagnation.Affect program feature and user's experience.And due to the design of single piece of information stream, cause designer in later stage system maintenance, when debugging and improving, local amendment often causes the change of general frame, greatly increases design and the maintenance cost of program.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides a kind of software operation efficiency that improves, reduce system resource and take, improve interface display fluency, the high-speed data method of processing display based on Labview of the handling capacity of raising system in the time of data high-speed transmission, processing.
The technical solution used in the present invention is:
A high-speed data method of processing display based on Labview is 11 kinds of functional modules according to module transfer rate, real-time, integrality, resource occupation by Module Division; For each functional module creates a while circular flow thread; According to functional module to transfer rate, real-time, integrality, take the different demands of resource, utilize timing while circulation to arrange functional module priority and cycling time.
Described 11 kinds of functional modules comprise: parameter initialization module, data reception module, data resolution module, data memory module, data transmission blocks, UI interface display module, curve image module, numerical value display module, system heart-throb module, event response module and errored response module.
Described functional module priority and cycling time send and record integrality according to system real time, program operation resource occupation, data receiver, and the difference of software display effect requires to arrange.
Between described data module, adopt data queue to adopt to fall out, the mode of falling in lines carries out exchanges data; Described data queue is made up of data receiver queue, data transmit queue and data queue memory.
Described data receiver queue is used for receiving data queue falls out, falls in lines, and data reception module after receiving data is fallen in lines data; Data complete Data Analysis by data resolution module after falling out;
Described data transmit queue is used for sending data queue falls out, falls in lines, and event response module responds user is at UI interface operation, and instruction is fallen in lines and sent data queue, and data transmission blocks completes data and falls out, and completes instruction simultaneously and sends;
Described data queue memory is preserved for data, and data receiver, data transmission blocks complete data receiver sending function simultaneously, and by the data data queue memory of falling in lines, data storage function module completes data queue memory and falls out, and completes data storage.
The beneficial effect of the relative prior art of the present invention:
The present invention is based on the high-speed data method of processing display of Labview, the functional requirement different according to system, design different modules, by data receiver, resolve, show, storage, the functions such as transmission adopt the relatively independent realization of disparate modules, in the time of the data interaction realizing between each functional module, can use different data buffer storages to line up, the present invention is based on the high-speed data method of processing display of Labview, not only can use separately, in order to improve the function of some functional modules, also thereby many difference in functionality module combinations can be formed to the system with certain function, reduce the design maintenance cost of program, improve software operation efficiency, reduce system resource and take, improve interface display fluency, the handling capacity of raising system in the time of data high-speed transmission, processing.
Brief description of the drawings
Fig. 1 is structural drawing between the functional module of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 2 is the multithreading modular design UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 3 is the module priority of a kind of high-speed data method of processing display based on Labview of the present invention and designs UI interface example cycling time;
Fig. 4 is the parameter initialization module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 5 is the data reception module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 6 is the system analysis functional module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 7 is the data transmission blocks UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 8 is the customer incident respond module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Fig. 9 is the curve display module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 10 is the value output module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 11 is the system heart-throb module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 12 is the errored response module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 13 is the data memory module UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 14 is the UI of the reception data queue interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 15 is the data transmit queue UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 16 is the data queue memory UI interface example of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 17 is flow process parameter monitoring curve before the optimization of a kind of high-speed data method of processing display based on Labview of the present invention;
Figure 18 is flow process parameter monitoring curve after the optimization of a kind of high-speed data method of processing display based on Labview of the present invention.
Embodiment
Referring to drawings and Examples, the present invention will be described in detail:
Accompanying drawing 1-18 is known, and a kind of high-speed data method of processing display based on Labview is 11 kinds of functional modules according to module transfer rate, real-time, integrality, resource occupation by Module Division; For each functional module creates a while circular flow thread; According to functional module to transfer rate, real-time, integrality, take the different demands of resource, utilize timing while circulation to arrange functional module priority and cycling time.
Described 11 kinds of functional modules comprise: parameter initialization module, data reception module, data resolution module, data memory module, data transmission blocks, UI interface display module, curve image module, numerical value display module, system heart-throb module, event response module and errored response module.
Described functional module priority and cycling time send and record integrality according to system real time, program operation resource occupation, data receiver, and the difference of software display effect requires to arrange.
Between described data module, adopt data queue to adopt to fall out, the mode of falling in lines carries out exchanges data; Described data queue is made up of data receiver queue, data transmit queue and data queue memory.
Described data receiver queue is used for receiving data queue falls out, falls in lines, and data reception module after receiving data is fallen in lines data; Data complete Data Analysis by data resolution module after falling out;
Described data transmit queue is used for sending data queue falls out, falls in lines, and event response module responds user is at UI interface operation, and instruction is fallen in lines and sent data queue, and data transmission blocks completes data and falls out, and completes instruction simultaneously and sends;
Described data queue memory is preserved for data, and data receiver, data transmission blocks complete data receiver sending function simultaneously, and by the data data queue memory of falling in lines, data storage function module completes data queue memory and falls out, and completes data storage.
1) functional module is divided
According to the different practical functions of system, program is divided into lower module, and divides according to modules transfer rate, real-time, integrality, resource occupation characteristic.
Table 1 functional module is divided table
Difference in functionality module performance is divided Main Basis transfer rate, real-time, integrality, taken four aspects of resource.For the module relevant to data processing such as data receiver, Data Analysis, under the prerequisite guaranteeing data integrity, require the high as far as possible object that has reached data acquisition at a high speed of its transfer rate and real-time.
The functional module that simultaneously data storage, curve demonstration etc. is taken to resource is relatively its demand to transfer rate, integrality and real-time of corresponding reduction.
2) multi-thread design
As shown in Figure 2, labview is that each while circular flow creates a thread execution, carries out after functional module division according to system requirements, and we use while circulation to realize each functional module of software.
3) priority and design cycling time
As shown in Figure 3, according to middle difference in functionality module to transfer rate, real-time, integrality, take the demand difference of resource, use timing while circulation to realize priority to module and the setting of cycling time.Timing while is that Labview carries control, can carry out one or more subroutine block diagrams or frame according to the cycle period order of specifying.Be generally used for subroutine, the accurate timing of the multiple timing function of development support, and can dynamically change timing function and multiple execution priority.
1-655535 priority, numerical value is larger, next frame execution priority is higher, the ms of cycling time unit, scope is 0-5000ms, concrete priority and cycling time parameters as mistake! Do not find Reference source.Shown in:
Table is set table 2 priority and cycling time
In view of the difference of modules function, performance requirement and consumes resources, for validity and the superperformance of the operation of guarantee program, by higher the priority setting of the correlation module of resolving, sending with data receiver, cycle period is short, and numerical value demonstration, curve are shown to design priority is lower, and cycle period is longer.
4) each function module design
According to software function difference, be " parameter initialization ", " data receiver ", " Data Analysis ", " data storage ", " data transmission ", " UI interface display ", " curve image ", " numerical value demonstration ", " system heart-throb ", " event response ", " errored response " 11 functional modules by system divides, each function module design is as follows:
I. parameter initialization
Adopt sequential organization, first program completes parameter initialization work in sequential organization, after initialization success, after sequential organization, moves, and starts master routine operation.
As shown in Figure 4, program is saved to this locality by initialization default parameter value with the form of xml file, control reads local default parameters, and assignment when program starts initialization, to use " reading xml file ", and this can revise local initial configuration file according to demand.After initialization success, feed back successfully mark to next sequential organization.
Ii. data receiver
As shown in Figure 5, in software practical application, must ensure the real-time of analyzing and processing, Software for Design is realized data receiver function without time delay while circulation herein.Simultaneously for guaranteeing data integrity, real-time, data and temporal information are packaged as to a bunch constant after receiving data, be incorporated to data receiver and line up.If there are multiple data receiving channels, for ensureing that multiple interchannel data complements disturb, adopt multiple independent while circulations to realize multi-channel data reception work.
Iii. Data Analysis
As shown in Figure 6, Data Analysis functional module is resolved for the data in data receiver is lined up, and pays corresponding system variable.Because system analysis is in requiring necessarily to process real-time, also there is certain processing complexity, design adopts the timing while loop module that priority is 200, intercycle is 0ms to realize.
All system variables are packed into a bunch of constant by design, and data are resolved, and upgrades respectively correspondence system parameter values in bunch constant, and this can be avoided system variable to increase and cause complex structure, improves Refresh Data speed simultaneously.In completing Data Analysis function, design data storage is lined up, and resolution data completes the operation of falling in lines, for data memory module is prepared.
Iv. data send
As shown in Figure 7, data transmission blocks, for the data of data transmit queue are fallen out and sent according to certain format, because software transmission times is shorter, does not need very high response frequency, therefore adopting priority is 250, the timing while loop module that the time interval is 0ms.
V.UI interface display
As shown in Figure 8, UI interface with while circulation binding events trigger structure realize, the operation of carrying out at UI interface for responding user generates corresponding operation code simultaneously, and by operation code enter column data send line up, send.
Vi. curve image
As shown in Figure 9, curve image module is for the mode display system feedback parameter with curve, and due to many curves hyperchannel occupying system resources, it is 50 that design is herein used priority, the timing while loop module that the time interval is 100ms.Due to human eye illusion, the refresh rate of 100ms can satisfy the demands, and can reduce again system resource and take.
Vii. numerical value shows
As shown in figure 10, numerical value display module is for the mode display system feedback parameter with numerical value, and because occupying system resources is less, it is 100 that design is herein used priority, the timing while loop module that the time interval is 100ms.Due to human eye illusion, the refresh rate of 100ms satisfies the demands.
Viii. system heart-throb
As shown in figure 11, system heart-throb is for detection of system heart-throb information, and the cycle is fixed 2s, and adopting priority is 100, and the timing while circulation of gap periods 2000ms realizes.In design, adopt heartbeat array, heartbeat message of every reception, array count value adds 1, and software cycle judges whether this numerical value increases, if it is bright to increase heartbeat instruction, otherwise for going out.
Ix. errored response
As shown in figure 12, errored response module is for responding system mistake and carry out respective handling operation.Use the timing while circulation control that priority is 100, the time interval is 100ms to realize, module independent operating, acquisition system mistake, processes function processing through system information, selects corresponding executable operations to show according to process information.
X. data storage
As shown in figure 13, realize system and receive the memory function that sends data.This module requires high based on data integrity, and storage real-time is low and file reads the feature that resource consumption is high that writes, and usage data storage is lined up with timing while circulation in conjunction with designing realization.It is 100 that this module is used priority, the timing while circulation that intercycle is 1ms.Interior data are lined up in reading out data storage.The module system storage data of falling out are lined up data, remove a bunch constant binding according to time, data, pass through respectively " time storage formatting output ", " data memory formatization output " sub-vi, realize storage format format and store.Simultaneously module detects the current system time, according to hour for unit carries out data storage, if there be new hour, creates new storage file path, can avoid like this long-play program to cause storage file abnormal, improves document retrieval efficiency simultaneously.
5) the data design of falling in lines of falling out
Software for Design aspect in the past, seldom or does not substantially adopt and lines up input and output, and in the use of lining up suitable division and the foundation of neither one, cause the use of lining up perfect not, feature and the effect of lining up given full play to not yet in effect.The design's analysis software application demand, show that the real-time to high-speed data, integrality require larger in data receiver, data transmission and data storage.The particularly reception of high-speed data, as the importation of whole software, its validity integrality is directly connected to the performance of running software and the correctness of result.Thus, program, in order to ensure the exchanges data between different cycle periods, is taken into account high-speed data reception and inferior high-speed data and is resolved establishment " data receiver queue "; Operate response and data transmission relation establishment " data transmit queue " according to user; Consider that the complex calculation of high-speed data and the time delay of data storage create " data queue memory " three queues simultaneously.These three data have been lined up the difference in functionality intermodule different transmission rates data function of exchange of falling in lines of falling out.
These three data line up realization and function is as follows respectively:
I. data receiver queue
As shown in figure 14, data receiver is lined up connection data reception, two functional modules of Data Analysis.The function that data receiver Implement of Function Module high-speed data acquisition, providing data formatting processing, the data receiver of falling in lines are lined up.Data Analysis functional module completes that data are fallen out and Data Analysis function.Receive and lined up high-speed data and receive and complex data parsing by usage data, two functional module independent operatings and have each other data interaction.Preferably resolved in the past and interfered with each other the problem such as loss of data, processing clamping stagnation causing due to high-speed data-flow reception and between resolving in program.Improve system real time, integrality.Ii. data transmit queue
As shown in figure 15, data send and line up connection event response, data send two functional modules.Event response is used for responding UI interface operation, completes instruction response and is incorporated to column data and sends and line up; The continuous Monitoring Data of data sending function energy module sends lines up interior data, sends for sending frame if exist transmission instruction this instruction according to fixed format to be analysed to structure.By the analysis to systemic-function, software operation response and command operating are not high to the fact and rate requirement, but have high requirement to sending instruction to property.Adopt after this transmit mechanism, the relatively independent operation respectively of sending module and event response module, only connects by lining up.Event response functional module complete data analyse structure and fall in lines operation after, just start to wait for operation response next time, data sending function module only completes falls out and sending function, such two impacts of having avoided a large amount of data manipulation response in UI interface to send data, data stabilization is sent reliably, improve system by stability, reliability.
Iii. data queue memory
As shown in figure 16, connection data parsing, event response, three functional modules of data storage are lined up in data storage.When Data Analysis functional module completes Data Analysis, providing data formatting processing being incorporated to column data storage lines up; Event response module completes response data format and processes and be incorporated to column data storage and line up when completing event response; Data storage function module will be lined up interior data and be fallen out, and adopt fixed storage form unify and preserve.Because data storage procedure realizes disk read-write operation at a high speed, this kind of a large amount of occupying system resources of operation, implement complexity higher, adopt the framework of this kind of data interaction, can effectively avoid data relatively at a slow speed to write the impact on whole running software speed, the relatively independent operation of data memory module simultaneously, can effectively avoid the impacts of emergency situations on data recording storage such as other functional module collapses, clamping stagnation or mistake.The integrality that ensures software storage data, validity, prevents the appearance of loss of data, clamping stagnation.
The present invention is based on the high-speed data method of processing display of Labview, the functional requirement different according to system, design different modules, by data receiver, resolve, show, storage, the functions such as transmission adopt different modules to realize, in the time of the data interaction realizing between each functional module, can use different data buffer storages to line up, the present invention is based on the high-speed data method of processing display of Labview, not only can use separately, in order to improve the function of some functional modules, also thereby many difference in functionality module combinations can be formed to the system with certain function, reduce the design maintenance cost of program, improve software operation efficiency, reduce system resource and take, improve interface display fluency, the handling capacity of raising system in the time of data high-speed transmission, processing.
6) display effect contrast
Based on the data handling system of Labview platform, conventionally adopt single cycle, multi-functional Mixed Design realizes, and this single simple system architecture, the in the situation that of high speed data transfer processing, can encounter bottleneck, there is showing the problems such as discontinuous, the system clamping stagnation of curve, as shown in figure 17, and when file stored record data, there will be manifesting of loss of data, these problems impact the functional performance of system software operation.
As shown in figure 18, the high-speed data method of processing display that invention proposes, by system, according to difference in functionality Module Division, independent operating between modules, has lined up the data transmission between functional module by different data transmission.The problems such as transmission clamping stagnation, curve are discontinuous, memory loss data are solved.Improve system reliability and stability.
Claims (5)
1. the high-speed data method of processing display based on Labview, is characterized in that, is 11 kinds of functional modules according to system requirements according to module transfer rate, real-time, integrality, resource occupation by Module Division; Use while circulation to realize functional module; For each while circular flow creates a thread execution; According to functional module to transfer rate, real-time, integrality, take the different demands of resource, utilize timing while circulation to arrange functional module priority and cycling time.
2. the high-speed data method of processing display based on Labview according to claim 1, is characterized in that: described 11 kinds of functional modules comprise: parameter initialization module, data reception module, data resolution module, data memory module, data transmission blocks, UI interface display module, curve image module, numerical value display module, system heart-throb module, event response module and errored response module.
3. the high-speed data method of processing display based on Labview according to claim 1, it is characterized in that: described functional module priority and cycling time send and record integrality according to system real time, program operation resource occupation, data receiver, and the difference of software display effect requires to arrange respectively.
4. the high-speed data method of processing display based on Labview according to claim 1, is characterized in that: between described data module, adopt by usage data queue fall out, the mode of falling in lines carries out exchanges data; Described data queue is made up of data receiver queue, data transmit queue and data queue memory.
5. the high-speed data method of processing display based on Labview according to claim 4, is characterized in that:
Described data receiver queue is used for receiving data queue falls out, falls in lines, and data reception module after receiving data is fallen in lines data; Data complete Data Analysis by data resolution module after falling out;
Described data transmit queue is used for sending data queue falls out, falls in lines, and event response module responds user is at UI interface operation, and instruction is fallen in lines and sent data queue, and data transmission blocks completes data and falls out, and completes instruction simultaneously and sends;
Described data queue memory is preserved for data, and data receiver, data transmission blocks complete data receiver sending function simultaneously, and by the data data queue memory of falling in lines, data storage function module completes data queue memory and falls out, and completes data storage.
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Application publication date: 20140924 |
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