CN109600162A - A kind of substation's industry control network Real-time Data Transfer Method - Google Patents
A kind of substation's industry control network Real-time Data Transfer Method Download PDFInfo
- Publication number
- CN109600162A CN109600162A CN201811520339.9A CN201811520339A CN109600162A CN 109600162 A CN109600162 A CN 109600162A CN 201811520339 A CN201811520339 A CN 201811520339A CN 109600162 A CN109600162 A CN 109600162A
- Authority
- CN
- China
- Prior art keywords
- real
- time
- message
- data
- transmitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
- H04L1/0008—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length by supplementing frame payload, e.g. with padding bits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0079—Formats for control data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0604—Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/147—Network analysis or design for predicting network behaviour
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Radio Relay Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
This application discloses a kind of substation's industry control network Real-time Data Transfer Methods to predict satellite clock correction predicted value this method comprises: step 1 constructs chaos phase space matrix according to collected satellite clock correction data, Embedded dimensions and predetermined time delay；Step 2, according to satellite clock correction predicted value, the Data Identification position of real-time packet to be transmitted is marked, and generates the corresponding non real-time conversion message of real-time packet to be transmitted after label；Step 3, according to transmission rule, real-time packet to be transmitted and non real-time conversion message after sending label；Step 4, according to Data Identification position, duplicate message is filtered out, duplicate message is one of real-time packet to be transmitted and non real-time conversion message.By the technical solution in the application, the time delay in substation's industry control network in real time data message transmission procedure is advantageously reduced, improves the utilization rate of data transfer bandwidth in industry control network.
Description
Technical field
This application involves the technical fields of substation data transmission, real in particular to a kind of substation's industry control network
When data transmission method.
Background technique
In substation's industrial control system, as real-time Data Transmission demand is continuously increased, real-time ethernet is in substation's work
Accounting in control system is being gradually increased.Two class data: real time data and non-real-time data are defined in real-time ethernet.It is real
When data be used for transmission with determine propagation delay time data；Non-real-time data is used for transmission possible tediously long but infrequently number
According to.For real time data, real-time ethernet is usually to follow time trigger and be scheduled in a manner of off-line calculation, it passes through pre-
Transmission and the forwarding time point for defining network communication message assign transmission real-time property.
And in the prior art, on the one hand, the real-time ethernet of substation's industrial control system be usually it is a kind of offline it is real-time with
Too net, network time are usually the accuracy of its network time to be reduced, especially in multiple power transformations by manually being set
When carrying out data interchange between standing, a possibility that leading to data transmission fails extremely there are network time.On the other hand, in real time with
Too net is usually to be solved with the worst situation to be scheduled, so that the scheduling of real time data is also able to satisfy about in worst case
Beam exists a large amount of real in this way, virtually increasing real time data time delay end to end especially in substation's industrial control system
When data when, cause the data in substation's industry control network that cannot transmit in time, exist and power supply trouble occur.
Summary of the invention
The purpose of the application is: while guaranteeing real-time Data Transmission accuracy in substation's industry control network, reducing real
When data transmission time delay, improve substation's industry control network reliability of operation.
The technical solution of the application is: providing a kind of substation's industry control network Real-time Data Transfer Method, this method packet
It includes: step 1, according to collected satellite clock correction data, Embedded dimensions and predetermined time delay, constructing chaos phase space square
Battle array predicts satellite clock correction predicted value；Step 2, according to satellite clock correction predicted value, the Data Identification of real-time packet to be transmitted is marked
Position, and generate the corresponding non real-time conversion message of real-time packet to be transmitted after label；Step 3, according to transmission rule, mark is sent
Real-time packet to be transmitted and non real-time conversion message after note；Step 4, according to Data Identification position, duplicate message is filtered out, repeats to report
Text is one of real-time packet to be transmitted and non real-time conversion message.
In any of the above-described technical solution, further, chaos phase space matrix is constructed in step 1, is specifically included: step
11, according to dimension, predetermined time delay and satellite clock correction data are preset either one or two of in preset range, construct phase space matrix；
Step 12, the distance between any two row matrixs element in phase space matrix is calculated, and according to distance, it is corresponding to calculate default dimension
Correlation dimension；Step 13, when determining the difference between two adjacent correlation dimensions is zero, correlation dimension is corresponding pre-
If dimension is denoted as Embedded dimensions；Step 14, according to Embedded dimensions, predetermined time delay and satellite clock correction data, chaos phase is constructed
Space matrix.
It in any of the above-described technical solution, further, step 2, specifically includes: step 21, by satellite clock correction predicted value
It is inserted into the when meta position of data marker, marks real-time packet to be transmitted；Step 22, the real-time packet to be transmitted after label is corresponding
The marker bit of Data Identification position be converted to 1 by 0, generate non real-time conversion message, wherein marker bit be Data Identification position most
A high position, the initial value of marker bit are 0.
In any of the above-described technical solution, further, step 3, specifically include: step 31, according to Data Identification position and
Sequence of message number, formation sequence table；Step 32, according to sequence number table, judge whether data message is dropping packets, if so,
Data message is abandoned, if it is not, executing step 33, wherein data message includes real-time packet to be transmitted and non real-time conversion message；
Step 33, whether the marker bit for judging data message is 1, if so, step 34 is executed, if it is not, executing step 35；Step 34, root
It according to non real-time file transmitting method, sends datagram, data message is non real-time conversion message, executes step 36；Step 35,
It according to real-time packet sending method, sends datagram, data message is real-time packet to be transmitted, executes step 36；Step 36,
According to the data message of transmission, renewal sequence table.
It in any of the above-described technical solution, further, step 4, specifically includes: step 41, raw according to Data Identification position
At filter table；Step 42, according to Data Identification position, the data message that current time receives is judged, corresponding in filter table
Whether received bit is 1, if so, determining that data message is duplicate message, if it is not, received bit is set to 1 by 0, wherein data
Message includes real-time packet to be transmitted and non real-time conversion message.
The beneficial effect of the application is: by chaotic prediction model, carrying out to the satellite clock correction in substation's industrial control system
Prediction, improves the accuracy of timestamp in real-time packet to be transmitted, by the way that real-time packet to be transmitted is converted to non real-time turn
Message is changed, using the non real-time conversion message after the non real-time message transmissions channel transfer conversion in real-time ethernet, is conducive to
The utilization efficiency of improve data transfer bandwidth, then the filter table by generating, are filtered the data message received, retain
The first message that receives filters out the duplicate message received, advantageously reduces the time delay in real-time packet transmission process.
Satellite clock correction predicted value by being inserted into the Data Identification position of real-time packet to be transmitted by the application, as reality to be transmitted
When message timestamp, improve the accuracy of timestamp in real-time packet to be transmitted, and only pass through highest in Data Identification position
The conversion of position, is converted to non real-time message for real-time packet, and then transmitted using non real-time message transmissions channel, improved
Data message conversion rate reduces data message because of type conversion and a possibility that error in data occurs.
Detailed description of the invention
The advantages of above-mentioned and/or additional aspect of the application, will become bright in combining description of the following accompanying drawings to embodiment
It shows and is readily appreciated that, in which:
Fig. 1 is the exemplary flow according to substation's industry control network Real-time Data Transfer Method of one embodiment of the application
Figure.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features, and advantages of the application
Mode is applied the application is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, many details are elaborated in order to fully understand the application, still, the application may be used also
To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below
Specific embodiment limitation.
As shown in Figure 1, present embodiments providing a kind of substation's industry control network Real-time Data Transfer Method, comprising:
Step 1, according to collected satellite clock correction data, Embedded dimensions and predetermined time delay, it is mutually empty to construct chaos
Between matrix, predict satellite clock correction predicted value；
Further, chaos phase space matrix is constructed in step 1, is specifically included:
Step 11, it according to dimension, predetermined time delay and satellite clock correction data are preset either one or two of in preset range, constructs
Phase space matrix；
Specifically, the clock deviation element in satellite clock correction data is set as d (1), and d (2) ..., d (n), n are that clock deviation element is total
Number, preset range are [2,6], preset dimension m0For 2≤m0≤ 6, predetermined time delay t are 3≤t≤8, the phase space square of building
Battle array X are as follows:
That is, according to default dimension m0Value can construct 5 phase space matrixes.
As default dimension m0=3, predetermined time delay t=3, clock deviation element are d (1), d (2) ..., d (9), when (10) d,
The phase space matrix X of building are as follows:
Step 12, the distance between any two row matrixs element in phase space matrix is calculated, and according to distance, is calculated default
The corresponding correlation dimension of dimension；
Specifically, the distance between the i-th row element and jth row element ρ in phase space matrix X are calculatedi,j, wherein i=1,
2 ..., M, j=1,2 ..., M, and i ≠ j, M are the maximum number of lines of phase space matrix X, distance ρI, jCalculation formula are as follows:
For example, calculating the first distance ρ between the 1st row element and the 2nd row element1,2When, corresponding calculation formula are as follows:
Correlation dimension dmCalculation formula are as follows:
Wherein, C (ρ) is Cumulative Distribution Function, corresponding expression formula are as follows:
M is the maximum number of lines of the first phase space matrix X, and the value of ρ is [min (ρI, j), max (ρI, j)], θ () is
Heaviside function, corresponding expression formula are as follows:
Step 13, when determining the difference between two adjacent correlation dimensions is zero, correlation dimension is corresponding default
Dimension is denoted as Embedded dimensions；
Step 14, according to Embedded dimensions, predetermined time delay and satellite clock correction data, chaos phase space matrix is constructed.
Specifically, by can be calculated, correlation dimension is as shown in table 1.
Table 1
| Default dimension m0 | 2 | 3 | 4 | 5 |
| Correlation dimension | 3 | 3.8 | 4.3 | 4.3 |
The difference between two neighboring correlation dimension is calculated, through upper table it is found that when default dimension takes 4 and 5, correlation dimension
Difference between number is zero, at this point, 4 be therefore default dimension 4 is denoted as Embedded dimensions by the minimum value of default dimension.Building is mixed
The method of ignorant phase space matrix is identical as the method for above-mentioned building phase space matrix X, and details are not described herein again.
Preferably, in order to reduce the calculation amount of computer, under the premise of or else influencing operational precision, it is default poor to set
Corresponding minimum correlation dimension is denoted as by value when determining that the difference between two adjacent correlation dimensions is less than preset difference value
Embedded dimensions such as sets preset difference value as 1, and when default dimension takes 3 and 4, difference between the two is 0.5, at this point, difference 0.5
Less than preset difference value 1, therefore, default dimension 3 can be denoted as Embedded dimensions, that is, constitute 3 dimension chaos phase space matrixes.
Step 2, according to satellite clock correction predicted value, the Data Identification position of real-time packet to be transmitted is marked, and after generating label
The corresponding non real-time conversion message of real-time packet to be transmitted；
Further, step 2 specifically includes:
Step 21, by the when meta position of satellite clock correction predicted value insertion data marker, real-time packet to be transmitted is marked；
Step 22, the marker bit of the corresponding Data Identification position of real-time packet to be transmitted after label is converted to 1 by 0, life
At non real-time conversion message, wherein marker bit is the highest order of Data Identification position, and the initial value of marker bit is 0.
Specifically, using satellite clock correction predicted value as timestamp, the Data Identification position of real-time packet to be transmitted is marked
Note, and the label of Data Identification position is converted to 1 for 0, the corresponding non real-time conversion message of real-time packet to be transmitted is generated, this
When, non real-time conversion message from only highest order is different in real-time packet to be transmitted, the highest order of real-time packet to be transmitted is 0, non-
The highest order of message is converted in real time as 1.
Step 3, according to transmission rule, real-time packet to be transmitted and non real-time conversion message after sending label；
Further, step 3 specifically includes:
Step 31, according to Data Identification position and sequence of message number, formation sequence table；
Step 32, according to sequence number table, judge whether data message is dropping packets, if so, data message is abandoned, if
It is no, execute step 33, wherein data message includes real-time packet to be transmitted and non real-time conversion message；
Specifically, it for non real-time message (such as non real-time conversion message), is transmitted using non real-time message channel, root
According to sequence number table, judge the difference in the corresponding sequence number of non real-time message and sequence number table between newest sequence number whether be
1, when difference is not 1, then non real-time message is determined for dropping packets, abandon the non real-time message, when difference is 1, then send out
Give the non real-time message.
For real-time packet (real-time packet to be transmitted), is transmitted using real-time packet channel, judge the real-time packet
Whether corresponding sequence number is greater than the maximum sequence number stored in sequence number table, when being determined as no, then abandons the real-time packet,
When being determined as is, then the real-time packet is sent.
Step 33, whether the marker bit for judging data message is 1, if so, step 34 is executed, if it is not, executing step 35；
Step 34, it according to non real-time file transmitting method, sending datagram, data message is non real-time conversion message,
Execute step 36；
Step 35, it according to real-time packet sending method, sends datagram, data message is real-time packet to be transmitted, is held
Row step 36；
Step 36, according to the data message of transmission, renewal sequence table.
Specifically, when the data message type of transmission is non real-time message, the sequence number in list of sequence numbers is carried out
Add 1 operation, using the sequence number after adding 1 as updated sequence number update sequence number table.
When the data message type of transmission is real-time packet, using sequence number corresponding to the data message of transmission as more
Sequence number update sequence number table after new.
Step 4, according to Data Identification position, duplicate message is filtered out, duplicate message is real-time packet to be transmitted and non real-time turn
Change one of message.
Further, step 4 specifically includes:
Step 41, according to Data Identification position, filter table is generated；
Step 42, according to Data Identification position, judge the data message that current time receives, corresponding in filter table
Whether received bit is 1, if so, determining that data message is duplicate message, if it is not, received bit is set to 1 by 0, wherein datagram
Text includes real-time packet to be transmitted and non real-time conversion message.
Specifically, after generating filter table, the shape of the corresponding received bit in the Data Identification position of data message in filter table
State is marked as " 0 ", after receiving data message, reads the received bit in filter table, judges the data message received
Corresponding received bit, whether corresponding state is " 1 " in filter table, when determining state is " 0 ", normally receives datagram
Text, and the state of received bit is changed into " 1 ", when determining state is " 1 ", then illustrate received mistake data message,
The data message is labeled as duplicate message, which is filtered out.
The technical solution for having been described in detail above with reference to the accompanying drawings the application, present applicant proposes a kind of substation's industry control networks
Real-time Data Transfer Method according to collected satellite clock correction data, Embedded dimensions and default is prolonged this method comprises: step 1
The slow time constructs chaos phase space matrix, predicts satellite clock correction predicted value；Step 2, according to satellite clock correction predicted value, label to
The Data Identification position of real-time packet is transmitted, and generates the corresponding non real-time conversion message of real-time packet to be transmitted after label；Step
Rapid 3, according to transmission rule, real-time packet to be transmitted and non real-time conversion message after sending label；Step 4, according to data mark
Know position, filter out duplicate message, duplicate message is one of real-time packet to be transmitted and non real-time conversion message.Pass through the application
In technical solution, advantageously reduce the time delay in substation's industry control network in real time data message transmission procedure, improve work
Control the utilization rate of data transmission in network bandwidth.
Step in the application can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in the application device can be combined, divided and deleted according to actual needs.
Although disclosing the application in detail with reference to attached drawing, it will be appreciated that, these descriptions are only exemplary, not
For limiting the application of the application.The protection scope of the application may include not departing from this Shen by appended claims
It please be in the case where protection scope and spirit for various modifications, remodeling and equivalent scheme made by inventing.
Claims (5)
1. a kind of substation's industry control network Real-time Data Transfer Method, which is characterized in that this method comprises:
Step 1, according to collected satellite clock correction data, Embedded dimensions and predetermined time delay, it is mutually empty to construct the chaos
Between matrix, predict satellite clock correction predicted value；
Step 2, according to the satellite clock correction predicted value, the Data Identification position of real-time packet to be transmitted is marked, and after generating label
The corresponding non real-time conversion message of the real-time packet to be transmitted；
Step 3, according to transmission rule, the real-time packet to be transmitted and the non real-time conversion message after sending label；
Step 4, according to the Data Identification position, duplicate message is filtered out, wherein the duplicate message is the real-time report to be transmitted
One of literary and described non real-time conversion message.
2. substation's industry control network Real-time Data Transfer Method as described in claim 1, which is characterized in that in the step 1
Chaos phase space matrix is constructed, is specifically included:
Step 11, according to presetting dimension, the predetermined time delay and the satellite clock correction data either one or two of in preset range,
Construct phase space matrix；
Step 12, the distance between matrix element described in any two row in the phase space matrix is calculated, and according to the distance,
Calculate the corresponding correlation dimension of the default dimension；
Step 13, when determining the difference between two adjacent correlation dimensions is zero, the correlation dimension is corresponding
The default dimension, is denoted as the Embedded dimensions；
Step 14, according to the Embedded dimensions, the predetermined time delay and the satellite clock correction data, the chaos phase is constructed
Space matrix.
3. substation's industry control network Real-time Data Transfer Method as described in claim 1, which is characterized in that the step 2, tool
Body includes:
Step 21, the satellite clock correction predicted value is inserted into the when meta position of the Data Identification position, is marked described to be transmitted real-time
Message；
Step 22, the marker bit of the corresponding Data Identification position of the real-time packet to be transmitted after label is converted to by 0
1, generate the non real-time conversion message, wherein the marker bit is the highest order of the Data Identification position, the marker bit
Initial value is 0.
4. substation's industry control network Real-time Data Transfer Method as claimed in claim 3, which is characterized in that the step 3, tool
Body includes:
Step 31, according to the Data Identification position and sequence of message number, formation sequence table；
Step 32, according to the sequence number table, judge whether data message is dropping packets, if so, the data message is abandoned,
If it is not, executing step 33, wherein the data message includes the real-time packet to be transmitted and the non real-time conversion message；
Step 33, whether the marker bit for judging the data message is 1, if so, step 34 is executed, if it is not, executing step
35；
Step 34, according to non real-time file transmitting method, the data message is sent, the data message is described non real-time turn
Message is changed, step 36 is executed；
Step 35, according to real-time packet sending method, the data message is sent, the data message is described to be transmitted real-time
Message executes step 36；
Step 36, according to the data message of transmission, the sequence number table is updated.
5. substation's industry control network Real-time Data Transfer Method as described in claim 1, which is characterized in that the step 4, tool
Body includes:
Step 41, according to the Data Identification position, filter table is generated；
Step 42, according to the Data Identification position, judge the data message that current time receives, correspond in the filter table
Received bit whether be 1, if so, determine that the data message is the duplicate message, if it is not, will the received bit by 0
It is set to 1, wherein the data message includes the real-time packet to be transmitted and the non real-time conversion message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520339.9A CN109600162A (en) | 2018-12-12 | 2018-12-12 | A kind of substation's industry control network Real-time Data Transfer Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520339.9A CN109600162A (en) | 2018-12-12 | 2018-12-12 | A kind of substation's industry control network Real-time Data Transfer Method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109600162A true CN109600162A (en) | 2019-04-09 |
Family
ID=65961646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520339.9A Pending CN109600162A (en) | 2018-12-12 | 2018-12-12 | A kind of substation's industry control network Real-time Data Transfer Method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109600162A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001197104A (en) * | 2000-01-07 | 2001-07-19 | Matsushita Electric Ind Co Ltd | Device and method for streaming multimedia object on time base |
| US20080238765A1 (en) * | 2007-03-30 | 2008-10-02 | Gengsheng Zhang | Satellite Clock Prediction |
| CN102215164A (en) * | 2011-05-25 | 2011-10-12 | 浙江中控软件技术有限公司 | Data transmission method |
| CN102231907A (en) * | 2011-06-27 | 2011-11-02 | 中兴通讯股份有限公司 | Clock synchronization method and apparatus in transmission system |
| CN102915451A (en) * | 2012-10-18 | 2013-02-06 | 上海交通大学 | Dynamic texture identification method based on chaos invariant |
| CN103033703A (en) * | 2012-12-11 | 2013-04-10 | 上海市电力公司 | On-line and off-line integrated analytical testing method for intelligent substation |
| CN107194161A (en) * | 2017-05-12 | 2017-09-22 | 北京航空航天大学 | The ARAIM availabilities Forecasting Methodology and device being classified based on user's request |
| CN108989243A (en) * | 2018-08-20 | 2018-12-11 | 清华大学 | A kind of real-time ethernet dispatching method of transmitting real-time data |
-
2018
- 2018-12-12 CN CN201811520339.9A patent/CN109600162A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001197104A (en) * | 2000-01-07 | 2001-07-19 | Matsushita Electric Ind Co Ltd | Device and method for streaming multimedia object on time base |
| US20080238765A1 (en) * | 2007-03-30 | 2008-10-02 | Gengsheng Zhang | Satellite Clock Prediction |
| CN102215164A (en) * | 2011-05-25 | 2011-10-12 | 浙江中控软件技术有限公司 | Data transmission method |
| CN102231907A (en) * | 2011-06-27 | 2011-11-02 | 中兴通讯股份有限公司 | Clock synchronization method and apparatus in transmission system |
| CN102915451A (en) * | 2012-10-18 | 2013-02-06 | 上海交通大学 | Dynamic texture identification method based on chaos invariant |
| CN103033703A (en) * | 2012-12-11 | 2013-04-10 | 上海市电力公司 | On-line and off-line integrated analytical testing method for intelligent substation |
| CN107194161A (en) * | 2017-05-12 | 2017-09-22 | 北京航空航天大学 | The ARAIM availabilities Forecasting Methodology and device being classified based on user's request |
| CN108989243A (en) * | 2018-08-20 | 2018-12-11 | 清华大学 | A kind of real-time ethernet dispatching method of transmitting real-time data |
Non-Patent Citations (1)
| Title |
|---|
| 陈演羽 等: "基于混沌时间序列的GPS卫星钟差预测算法", 《仪器仪表学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102106113B (en) | Data streaming through time-varying transport media | |
| CN101072167B (en) | Method and system for transmitting information through communication system | |
| CN102783092A (en) | Communication system, network management method and switch device | |
| CN102365846A (en) | Route setting server, route setting method, and route setting program | |
| CN110635982B (en) | Double-host communication method and system on communication bus, industrial control gateway and storage medium | |
| CN103873381A (en) | Network flow rate limiting method and device | |
| CN102665297B (en) | Communication device and system as well as method of wireless cloud sensor network | |
| CN104901989A (en) | Field service providing system and method | |
| CN111211988B (en) | Data transmission method and system for distributed machine learning | |
| CN101547441B (en) | Realization method of next-generation full-IP wireless sensor network services | |
| CN105334888A (en) | System and method for controlling network cascade temperature based on trigger mechanism | |
| Polshchykov et al. | Justification for the decision on loading channels of the network of geoecological monitoring of resources of the agroindustrial complex | |
| CN104833055A (en) | Method and device for transmitting data of multi-split air conditioning system | |
| CN104518852A (en) | Transmission feedback method | |
| CN109600162A (en) | A kind of substation's industry control network Real-time Data Transfer Method | |
| CN110086870A (en) | The parallel method for reliable transmission of the multipath of data-oriented central site network | |
| CN102497317A (en) | Distinguishing probability forwarding method for opportunity network route | |
| CN117793807A (en) | Transmission relay system for ecological monitoring | |
| CN100576787C (en) | A kind of method of between maintenance terminal and background devices, carrying out the transmission of big data quantity safety | |
| CN101197612B (en) | Method and device for computing activation time | |
| CN104283969A (en) | Narrow-band wireless control network communication system and method | |
| CN102215236B (en) | Working mode switching method and device of robust header compression protocol (ROHC) layer | |
| CN101155383B (en) | Indication method for resource allocation information, transmission method and device for indication information | |
| WO2014157460A1 (en) | Communication system, control apparatus, information collection method and program | |
| CN107318128A (en) | Radio communication optimization method, device, storage medium and its computer equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
|
| RJ01 | Rejection of invention patent application after publication |