CN108243071A - A kind of data transmission real-time performance testing method of automatic irrigating control system - Google Patents
A kind of data transmission real-time performance testing method of automatic irrigating control system Download PDFInfo
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- CN108243071A CN108243071A CN201611211415.9A CN201611211415A CN108243071A CN 108243071 A CN108243071 A CN 108243071A CN 201611211415 A CN201611211415 A CN 201611211415A CN 108243071 A CN108243071 A CN 108243071A
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Abstract
The invention discloses a kind of data transmission real-time performance testing methods of automatic irrigating control system, the described method comprises the following steps：The first step, test design formulate system delay testing scheme, to obtain time-consuming data of the data in entire transmission process for different data transmission procedures；Second step, the performance test results and analysis.The data transmission real-time performance testing method of the automatic irrigating control system of the present invention, greatly improved system real time energy, and implementing accurate irrigation control for system provides guarantee.
Description
Technical field
The present invention relates to a kind of data transmission real-time performance testing methods of automatic irrigating control system, belong to agriculture interconnection
Network technology field.
Background technology
One of typical case as Internet technology, automatic irrigating control system are not only industrialized agriculture irrigation and city
Great lot of water resources has been saved in the fields such as green area irrigation, also to carry out personalized irrigation and use according to the water-requiring property of crop and flowers and trees
The metering of crystal's quasi- provides the foundation；Automatic irrigating control system is made of two parts of hardware and software, and hardware components include filling
Controller, solenoid valve and sensor are irrigate, software installation runs on industrial personal computer _ fore-telling and is connected with hardware components, is human-computer interaction population
And control centre, according to monitoring data and model progress is irrigated automatically with automatic irrigation control；Automatic irrigation mode mainly has
Two kinds：One kind is to establish periodic irrigation scheme, is timed irrigation；Another kind is with monitoring soil moisture data and meteorology
Data are input, and irrigation time and irrigation quantity are calculated by irrigation decision model, realize and irrigate on demand.Real-time for filling automatically
Irrigate that control system is most important, the real-time of sensor data acquisition also determines the timeliness of irrigation decision, meanwhile, irrigate control
System instruction must also be transferred to solenoid valve in real time, ensure the accurate control of irrigation quantity；Network environment and system architecture are to influence
The principal element of real-time, usually under certain engineering specifications, what network transfer speeds were to determine, system architecture is to reality at this time
When property plays decisive role；Current irrigation control software systems are mainly based upon client/server (C/S) mechanical development
Multipad, communication efficiency is very high between client software and database, and network structure is simple, therefore system is real-time
Performance accesses effective guarantee；But it since C/S structure programs must run on specific hardware and software platform, can not realize more
The covering of kind equipment platform, the scope of application is very limited, and is developed in most cases not for platform is possible to
It is feasible；In addition, C/S structure program upgrade maintenance costs are higher, while it is difficult to realize multiple project centralized management.
Invention content
To solve the above problems, the present invention proposes a kind of data transmission real-time performance testing of automatic irrigating control system
System real time energy greatly improved in method, and implementing accurate irrigation control for system provides guarantee.
The data transmission real-time performance testing method of the automatic irrigating control system of the present invention, the method includes following steps
Suddenly：
The first step, test design formulate system delay testing scheme, to obtain data whole for different data transmission procedures
Time-consuming data in a transmission process；Under LAN environment, tested by browser access system, data acquisition
Without human intervention, system obtains latest data and updates interface display automatically, and control process needs manually pass through client journey
Sequence performs equipment control operation；Data pull pattern is respectively adopted 0.25,1.00, the interval that pulls of 10.00s tested,
The data pull operation of extremely high frequency, high-frequency and normal frequency is represented respectively；Before test, to hardware device in system and software
The system clock of platform synchronizes, and then carries out 10 acquisitions to the pull mode of data push mode and different interval respectively
It is tested with control, and using the data transmission average delay of each node of following proposal computational software system；
A. the gathered data transmission delay from sensor to client-side program is measured using following scheme：Controller is certain
In time range, sensing data reading is carried out, and data value and data acquisition time are sent to data using random fashion
Library records the time for receiving and updating the data in database, Web server and client-side program respectively, with data acquisition time
Subtract each other to obtain the delay that data reach each section；
B. the delay for controlling data transmission is measured using following scheme：It performs and opens or closes in client-side program
Valve operation, and record operating time, after data are sent to solenoid valve, solenoid valve open and-shut mode changes, and again will later
Newer status data returns to client-side program, records data in control instruction transmission process and control result return course
Library, Web server and client-side program receive the time updated the data, and the time with being operated in user interface subtracts each other, and is controlled
Data and returned data processed reach the delay of each section；
Second step, the performance test results and analysis, in data acquisition, pull mode slave device sends out data to client
The total delay for receiving one-way transmission is 1676 ms, and hardware data is sent to database and taken by wherein data communication module
1552ms accounts for 92.6% to be always delayed, is taken essentially from SMS message transmission；It is averagely time-consuming etc. from database to client-side program
In reach client with reach database average delay difference be 124ms；It is taken essentially from calculating with network transmission, this
The result shows that by the design and realization of data-pushing, the delay in software systems is greatly cut down；It is drawn using data
Modulus formula reaches delay 124ms, and data pull interval will at least reach 248ms, the access with the test of 0.25s intervals pull mode
Frequency approaches, and pull mode is led the average of client from database and taken as 228ms at this time, more than the delay of push mode, and
It needs to perform 4 data queries in system 1s, in the case where multi-client accesses, operation system will bear huge access pressure
Power influences the stable operation of system；When the interval that pulls of pull mode increases to 1s and 10s, total delay reaches 2231ms and 6
641ms reaches the average of client-side program from database at this time and takes as 588ms and 5079ms, it can be seen that is delayed with drawing
Interval is taken to extend, average delay greatly increases or even remote communication delay between super hardware system and software systems；
During control, push mode sends out operational order to being always delayed for return operating result is received from client and is
3378ms, unidirectional average out to be always delayed 1/2, i.e. overall transmission time in 1689ms, wherein data communication module is tied in order to control
It is 3260-127=3133ms that fruit, which reaches database and the difference of control instruction arrival database delay, accounts for 92.7% to be always delayed, controls
Delay of the director data processed from client-side program to database is 127ms；Device status data is from database to client-side program
Average take be equal to that reach client and reach the average delay difference of database be 3378-3260=118ms, as a result similary table
Delay in bright software systems is already close to the limit calculated with network delay, and data-pushing mechanism is for improving real-time performance
Significant effect；In pull mode, 0.25,1.00,10.00s pulls the lower control instruction in interval and is sent to database from client
Delay respectively 138,122,120s, approach with the 127s under push mode, this is because in different access modules, control
The request/response process for instructing transmission process all identical, and it is unrelated with pulling interval；But in control result return course,
0.25th, 1.00,10.00s pull average from database to client-side program of the lower device status data in interval take reach 256,
749th, 4918ms is delayed with interval increase is pulled and increases, similar with data acquisition.
Further, in the performance test results of the second step and analysis under push mode equipment and client-side program it
Between one-way data transfer average delay all within 2s, disclosure satisfy that substantially automatic irrigation control demand；And pull mode
There is the contradiction between real-time and server access pressure, to improve real-time will necessarily be multiplied service tolerance, together
When more bandwidth and floating resources is brought to consume；Result above is under LAN environment obtained by test, is interconnected when passing through
When net or 4G wireless network access systems, being influenced system delay by connection speed may increase, and usually delay is at 102ms grades
Not, system real time is influenced little.
The present invention compared with prior art, the data transmission real-time performance testing of automatic irrigating control system of the invention
Method solves to inscribe between data transmission real-time in the automatic irrigating control system based on Web, passes through the data in software systems
Observer Pattern is designed and Implemented in transmission process, real time data push-mechanism is formed, is not bringing more bandwidth and calculating
Under the premise of resource consumption, the delay of data acquisition and control process average is 1676ms and 3378ms, number wherein in software systems
It is only 124ms and 118ms according to the data transmission average delay in library to client, system real time energy greatly improved, is system
Implement accurate irrigation control and provide guarantee.
Specific embodiment
The data transmission real-time performance testing method of the automatic irrigating control system of the present invention, the method includes following steps
Suddenly：
The first step, test design formulate system delay testing scheme, to obtain data whole for different data transmission procedures
Time-consuming data in a transmission process；Under LAN environment, tested by browser access system, data acquisition
Without human intervention, system obtains latest data and updates interface display automatically, and control process needs manually pass through client journey
Sequence performs equipment control operation；Data pull pattern is respectively adopted 0.25,1.00, the interval that pulls of 10.00s tested,
The data pull operation of extremely high frequency, high-frequency and normal frequency is represented respectively；Before test, to hardware device in system and software
The system clock of platform synchronizes, and then carries out 10 acquisitions to the pull mode of data push mode and different interval respectively
It is tested with control, and using the data transmission average delay of each node of following proposal computational software system；
A. the gathered data transmission delay from sensor to client-side program is measured using following scheme：Controller is certain
In time range, sensing data reading is carried out, and data value and data acquisition time are sent to data using random fashion
Library records the time for receiving and updating the data in database, Web server and client-side program respectively, with data acquisition time
Subtract each other to obtain the delay that data reach each section；
B. the delay for controlling data transmission is measured using following scheme：It performs and opens or closes in client-side program
Valve operation, and record operating time, after data are sent to solenoid valve, solenoid valve open and-shut mode changes, and again will later
Newer status data returns to client-side program, records data in control instruction transmission process and control result return course
Library, Web server and client-side program receive the time updated the data, and the time with being operated in user interface subtracts each other, and is controlled
Data and returned data processed reach the delay of each section；
Second step, the performance test results and analysis, in data acquisition, pull mode slave device sends out data to client
The total delay for receiving one-way transmission is 1676 ms, and hardware data is sent to database and taken by wherein data communication module
1552ms accounts for 92.6% to be always delayed, is taken essentially from SMS message transmission；It is averagely time-consuming etc. from database to client-side program
In reach client with reach database average delay difference be 124ms；It is taken essentially from calculating with network transmission, this
The result shows that by the design and realization of data-pushing, the delay in software systems is greatly cut down；It is drawn using data
Modulus formula reaches delay 124ms, and data pull interval will at least reach 248ms, the access with the test of 0.25s intervals pull mode
Frequency approaches, and pull mode is led the average of client from database and taken as 228ms at this time, more than the delay of push mode, and
It needs to perform 4 data queries in system 1s, in the case where multi-client accesses, operation system will bear huge access pressure
Power influences the stable operation of system；When the interval that pulls of pull mode increases to 1s and 10s, total delay reaches 2231ms and 6
641ms reaches the average of client-side program from database at this time and takes as 588ms and 5079ms, it can be seen that is delayed with drawing
Interval is taken to extend, average delay greatly increases or even remote communication delay between super hardware system and software systems；
During control, push mode sends out operational order to being always delayed for return operating result is received from client and is
3378ms, unidirectional average out to be always delayed 1/2, i.e. overall transmission time in 1689ms, wherein data communication module is tied in order to control
It is 3260-127=3133ms that fruit, which reaches database and the difference of control instruction arrival database delay, accounts for 92.7% to be always delayed, controls
Delay of the director data processed from client-side program to database is 127ms；Device status data is from database to client-side program
Average take be equal to that reach client and reach the average delay difference of database be 3378-3260=118ms, as a result similary table
Delay in bright software systems is already close to the limit calculated with network delay, and data-pushing mechanism is for improving real-time performance
Significant effect；In pull mode, 0.25,1.00,10.00s pulls the lower control instruction in interval and is sent to database from client
Delay respectively 138,122,120s, approach with the 127s under push mode, this is because in different access modules, control
The request/response process for instructing transmission process all identical, and it is unrelated with pulling interval；But in control result return course,
0.25th, 1.00,10.00s pull average from database to client-side program of the lower device status data in interval take reach 256,
749th, 4918ms is delayed with interval increase is pulled and increases, similar with data acquisition.
Wherein, in the performance test results of the second step and analysis under push mode between equipment and client-side program
One-way data transfer average delay disclosure satisfy that the demand of automatic irrigation control substantially all within 2s；And pull mode exists
The contradiction between real-time and server access pressure, to improve real-time will necessarily be multiplied service tolerance, while band
Come more bandwidth and floating resources consumption；Result above is under LAN environment obtained by test, when by internet or
During 4G wireless network access systems, being influenced system delay by connection speed may increase, and usually delay is right in 102ms ranks
System real time influences little.
Above-described embodiment is only the better embodiment of the present invention, therefore all structures described according to present patent application range
It makes, the equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (2)
1. a kind of data transmission real-time performance testing method of automatic irrigating control system, which is characterized in that the method includes
Following steps：
The first step, test design formulate system delay testing scheme, to obtain data whole for different data transmission procedures
Time-consuming data in a transmission process；Under LAN environment, tested by browser access system, data acquisition
Without human intervention, system obtains latest data and updates interface display automatically, and control process needs manually pass through client journey
Sequence performs equipment control operation；Data pull pattern is respectively adopted 0.25,1.00, the interval that pulls of 10.00s tested,
The data pull operation of extremely high frequency, high-frequency and normal frequency is represented respectively；Before test, to hardware device in system and software
The system clock of platform synchronizes, and then carries out 10 acquisitions to the pull mode of data push mode and different interval respectively
It is tested with control, and using the data transmission average delay of each node of following proposal computational software system；
A. the gathered data transmission delay from sensor to client-side program is measured using following scheme：Controller is certain
In time range, sensing data reading is carried out, and data value and data acquisition time are sent to data using random fashion
Library records the time for receiving and updating the data in database, Web server and client-side program respectively, with data acquisition time
Subtract each other to obtain the delay that data reach each section；
B. the delay for controlling data transmission is measured using following scheme：It performs and opens or closes in client-side program
Valve operation, and record operating time, after data are sent to solenoid valve, solenoid valve open and-shut mode changes, and again will later
Newer status data returns to client-side program, records data in control instruction transmission process and control result return course
Library, Web server and client-side program receive the time updated the data, and the time with being operated in user interface subtracts each other, and is controlled
Data and returned data processed reach the delay of each section；
Second step, the performance test results and analysis, in data acquisition, pull mode slave device sends out data to client
The total delay for receiving one-way transmission is 1676 ms, and hardware data is sent to database and taken by wherein data communication module
1552ms accounts for 92.6% to be always delayed, is taken essentially from SMS message transmission；It is averagely time-consuming etc. from database to client-side program
In reach client with reach database average delay difference be 124ms；It is taken essentially from calculating with network transmission, this
The result shows that by the design and realization of data-pushing, the delay in software systems is greatly cut down；It is drawn using data
Modulus formula reaches delay 124ms, and data pull interval will at least reach 248ms, the access with the test of 0.25s intervals pull mode
Frequency approaches, and pull mode is led the average of client from database and taken as 228ms at this time, more than the delay of push mode, and
It needs to perform 4 data queries in system 1s, in the case where multi-client accesses, operation system will bear huge access pressure
Power influences the stable operation of system；When the interval that pulls of pull mode increases to 1s and 10s, total delay reaches 2231ms and 6
641ms reaches the average of client-side program from database at this time and takes as 588ms and 5079ms, it can be seen that is delayed with drawing
Interval is taken to extend, average delay greatly increases or even remote communication delay between super hardware system and software systems；
During control, push mode sends out operational order to being always delayed for return operating result is received from client and is
3378ms, unidirectional average out to be always delayed 1/2, i.e. overall transmission time in 1689ms, wherein data communication module is tied in order to control
It is 3260-127=3133ms that fruit, which reaches database and the difference of control instruction arrival database delay, accounts for 92.7% to be always delayed, controls
Delay of the director data processed from client-side program to database is 127ms；Device status data is from database to client-side program
Average take be equal to that reach client and reach the average delay difference of database be 3378-3260=118ms, as a result similary table
Delay in bright software systems is already close to the limit calculated with network delay, and data-pushing mechanism is for improving real-time performance
Significant effect；In pull mode, 0.25,1.00,10.00s pulls the lower control instruction in interval and is sent to database from client
Delay respectively 138,122,120s, approach with the 127s under push mode, this is because in different access modules, control
The request/response process for instructing transmission process all identical, and it is unrelated with pulling interval；But in control result return course,
0.25th, 1.00,10.00s pull average from database to client-side program of the lower device status data in interval take reach 256,
749th, 4918ms is delayed with interval increase is pulled and increases, similar with data acquisition.
2. the data transmission real-time performance testing method of automatic irrigating control system according to claim 1, feature exist
In the one-way data in the performance test results of the second step and analysis under push mode between equipment and client-side program passes
Defeated average delay is all within 2s；When by internet or 4G wireless network access systems, usually delay is in 102ms ranks.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830331A (en) * | 2019-12-06 | 2020-02-21 | 中国交通建设股份有限公司 | Physical model test process data transmission system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830331A (en) * | 2019-12-06 | 2020-02-21 | 中国交通建设股份有限公司 | Physical model test process data transmission system and method |
| CN110830331B (en) * | 2019-12-06 | 2024-03-15 | 中国交通建设股份有限公司 | Physical model test process data transmission system and method |
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Application publication date: 20180703 |
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