CN105515843A - FDIR (Fault Diagnosis, Isolation and Restoration) processing method for SpW (SpaceWire) network - Google Patents
FDIR (Fault Diagnosis, Isolation and Restoration) processing method for SpW (SpaceWire) network Download PDFInfo
- Publication number
- CN105515843A CN105515843A CN201510860821.7A CN201510860821A CN105515843A CN 105515843 A CN105515843 A CN 105515843A CN 201510860821 A CN201510860821 A CN 201510860821A CN 105515843 A CN105515843 A CN 105515843A
- Authority
- CN
- China
- Prior art keywords
- spw
- rvtp
- protocol
- network
- agreement
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
-
- 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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
-
- 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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a FDIR (Fault Diagnosis, Isolation and Restoration) processing method for a SpW (SpaceWire) network. The method comprises the following steps: in a process of performing SpW protocol encapsulation at a network source end, finishing CCSDS AOS (Consultative Committee for Space Data Systems Advanced Orbiting System) protocol virtual channel processing of valid data; after a network host end receives a SpW-RVTP (SpaceWire-Remote Virtual-Channel Transfer Protocol) data packet transmitted by the network source end, performing protocol parsing, removing a SpW protocol format from the SpW-RVTP, extracting an AOS protocol VCDU (Virtual Channel Data Unit) frame from the SpW-RVTP data packet, adding 1ACFFC1D data to construct a CADU format frame, and transmitting the CADU format frame to a physical channel; and performing FDIR processing at the network host end on the basis of the SpW-RVTP data packet. According to the method, spacecraft fault diagnosis, isolation and restoration measures are set specific to the transmission characteristics of the SpW network, so that the SpW network transmission reliability is enhanced, and the satellite-ground data transmission fault locating efficiency is increased.
Description
Technical field
The present invention relates to SpW network fault diagnosis, isolation and processing technology field, particularly, relate to a kind of SpW network FDIR processing method.
Background technology
Along with the progress of integrated chip and SOC technology, nowadays satellite remote sensing technology is in theoretical, technology or application aspect all obtains development by leaps and bounds, novel satellite sensor continues to bring out, microwave remote sensing, high spectrum resolution remote sensing technique reach its maturity, applied remote sensing satellite forward multiresolution, many remote sensing platforms future development, its spatial resolution, temporal resolution and spectral resolution all generally improve, and on star, data interaction is day by day frequent, and data interaction throughput increases day by day.These factors determine data system progressively to high speed data network development, and be embodied in: data transmission channel is many, transmitted data amount is large, bit rate is high, real-time, the reliability requirement of transfer of data are high.SpW network provides solution for meeting spaceborne data transfer demands.SpW network is formulated jointly by European Space Agency, European Space company and academia, is called for short ECSS-E-50-12C.It, based on IEEE-1355-1995 and LVDS two commercial criterions, under the condition taking into account space application characteristic, has drawn the advantage of 1394 buses, ATM and ethernet technology, constructs the serial bus network of a kind of high speed, point-to-point, full duplex.
According to the regulation of ECSS-E-50-12A consensus standard about SpW bus links, node, router and network, the data packaging agreement of SpW layer data packet protocol inheritance IEEE1355-1995 definition, define the data packaging form of network source to egress, SpW packet structure is made up of destination address, data content and end-of-packet mark, as shown in Figure 1.Wherein, destination address is determined according to SpW network configuration and transmission path situation; End-of-packet is masked as EOP or EEP, for representing the correct or mistake of the packet of transmission.According to basic SpW agreement regulation, by the correctness of physical layer guarantee agreement bag transmission, when multi-channel data transmission, the fault type differentiating that protocol package is detailed can only be difficult in network egress, time particularly because of physical layer generation exception, be difficult to identify a certain channel protocol bag packet drop.
Do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
In order to improve the reliability of SpW Internet Transmission high-speed data, the object of this invention is to provide a kind of SpaceWire (being abbreviated as SpW) network FDIR processing method, the method is towards high speed SpW Internet Transmission, give SpW-RVTP agreement, and propose and carry out agreement FDIR (fault detect isolation and recover) processing method in network receiving end, on star, network receiving end is resolved SpW-RVTP protocol package, to the channel number that network node sends over, protocol identification number, destination logical address and SpW-RVTP bag sequence command character carry out failure diagnosis, node channel number is indicated to diagnosing the SpW-RVTP bag of makeing mistakes, type of error etc., isolation and restoration process is carried out to fault, improve SpW Internet Transmission reliability, this measure obtains application in FY-4 satellite multi-load transfer of data.By the method, the autonomous FDIR of SpW network can be realized, and fault in-situ is monitored, can problem of implementation locate fast.
For achieving the above object, the present invention is achieved by the following technical solutions.
A kind of SpW network FDIR processing method, based on SpW-RVTP agreement, carries out FDIR process in network egress; Described SpW-RVTP agreement obtains after carrying out the integrated treatment of SpW agreement and CCSDSAOS agreement to spaceborne multi-load data, specifically comprises the steps:
Step S1, carries out in the process of SpW agreement packaging in network source, complete the CCSDSAOS Protocol virtual Channel Processing of valid data, forms SpW-RVTP protocol data bag, and is sent to network egress;
Step S2, after network egress receives the multichannel SpW-RVTP protocol data bag that network source sends here, first protocol analysis is carried out, remove the SpW protocol format in SpW-RVTP agreement, extract AOS agreement VCDU in SpW-RVTP protocol data bag (virtual channel data unit unit) frame again, finally add 1ACFFC1D data, form complete CADU (channel access data cell) format frame and send to physical channel;
Step S3, based on SpW-RVTP protocol data bag, carries out FDIR process in network egress, comprises following measure:
-protocol identification detection and treatment;
-destination logical address detection and treatment;
The detection of-channel characteristics, isolation and process.
Preferably, the form of described SpW-RVTP agreement comprises: target SpW port address, destination logical address, protocol identification number, channel recognition number, pseudo channel frame count, signal domain, frame top guide control word, insert territory, B_PDU top guide, B_PDU bit stream data territory and EOP end mark.
Preferably, described protocol identification detection and treatment is specially: if when the protocol identification of SpW-RVTP agreement is number undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " protocol identification mistake " by remote measurement; Otherwise, if when the protocol identification of SpW-RVTP agreement number meets the requirements, do not do troubleshooting.
Preferably, described destination logical address detection and treatment is specially: if when the destination logical address logic identification of SpW-RVTP agreement is number undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " destination logical address mistake " by remote measurement; Otherwise, if when the destination logical address logic identification number of SpW-RVTP agreement meets the requirements, do not do troubleshooting.
Preferably, described channel characteristics detects, isolation with process: comprise that the virtual channel identification is detected, the bag continuity of pseudo channel detects, the packet length of pseudo channel detects, isolates and processes, be specially:
-when network egress detects that the virtual channel identification of SpW-RVTP agreement is undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " illegal virtual channel logo mistake " by remote measurement; Otherwise, do not do troubleshooting;
-when detecting that the pseudo channel frame count of certain virtual channel identification is discontinuous, then identify sending node corresponding to this virtual channel identification by remote measurement and there is " SpW packet loss mistake ", but do not abandon this SpW-RVTP protocol data bag; Otherwise, do not do troubleshooting;
-when detecting that the packet length of certain virtual channel identification is not equal to preset value, do not abandon this SpW-RVTP protocol data bag; If length is greater than preset value, then the data of preset value length before intercepting, and identify sending node corresponding to this virtual channel identification by remote measurement and there is " the longer mistake of SpW packet length "; If length is less than preset value, then by filling fixed data, make the packet length of virtual channel identification reach preset value length, and identify sending node corresponding to this virtual channel identification by remote measurement and there is " the shorter mistake of SpW packet length "; If when length equals preset value, do not do troubleshooting.
SpW network FDIR (failure diagnosis provided by the invention, isolation and restoration, FaultDiagnosis, IsolationandRestoration, be called for short FDIR) processing method, adopt SpW network remote pseudo channel host-host protocol (RemoteVirtual-channelTransferProtocol, be called for short RVTP) packetize encapsulation, protocol identification detection and treatment, destination logical address detection and treatment, the method of channel characteristics detection and treatment, for SpW Internet Transmission feature, be provided with aircraft failure diagnosis, isolation and restoration measure, improve SpW Internet Transmission reliability, improve star, ground data transmission failure location efficiency.
Compared with prior art, the present invention has following beneficial effect:
The present invention is directed to SpW-RVTP protocol characteristic, carried out corresponding FDIR process, improve independence and the reliability of SpW Internet Transmission.In addition, be also provided with corresponding measurement monitoring fault in-situ, quick problem location can be realized, the efficiency of improve Ground analysis problem, dealing with problems.These advantages are fully verified in model test.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is basic SpW agreement and SpW-RVTP protocol data packet format corresponding relation figure;
Fig. 2 is SpW-RVTP protocol network egress CADU generating principle figure;
Fig. 3 is SpW-RVTP agreement FDIR process chart.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
A kind of SpW network FDIR processing method provided by the invention, based on SpW-RVTP protocol realization, this SpW-RVTP agreement obtains after carrying out the integrated treatment of SpW agreement and CCSDSAOS agreement to spaceborne multi-load data, namely carry out in network source in the process of SpW agreement packaging, complete the CCSDSAOS Protocol virtual Channel Processing of valid data, form SpW-RVTP agreement, SpW-RVTP protocol data packet format as shown in Figure 1.After network egress receives the multichannel SpW-RVTP protocol data bag that network source sends here, first protocol analysis is carried out, remove the SpW protocol format in SpW-RVTP agreement, extract AOS agreement VCDU in SpW-RVTP protocol data bag (virtual channel data unit unit) frame again, finally add 1ACFFC1D data to form complete CADU (channel access data cell) format frame and send to physical channel, as shown in Figure 2.Based on SpW-RVTP protocol data bag, in the FDIR process that network egress is carried out, its handling process as shown in Figure 3, mainly comprises following treatment measures:
-protocol identification detection and treatment;
-destination logical address detection and treatment;
The detection of-channel characteristics, isolation and process.
According to the regulation of ECSS-E-50-12C consensus standard about SpW link, node, router and network, the data packaging agreement of SpW layer data packet protocol inheritance IEEE1355-1995 definition, define the data packaging form of network source to egress, as shown in Figure 1.SpW conventional data pack arrangement is made up of destination address, data content and end-of-packet mark, and wherein, destination address is determined according to SpW network configuration and transmission path situation; End-of-packet is masked as EOP or EEP, for representing the correct or mistake of the packet of transmission.
SpW-RVTP agreement is its data content at the enterprising step refining in the basis of ECSS-E-50-12C consensus standard, namely uses its data content of CCSDSAOS protocol data frame format constraints, as shown in Figure 1.The each part of SpW-RVTP protocol data packet format is described below:
1, target SpW port address
In units of byte, according to the size of network topology, variable-length.This address is the SpW port address that packet routes to destination end.
2, destination logical address
In units of byte, this address is used as final goal node to the confirmation of packet.When the logical address of this destination logical address and receiving node is inconsistent, represent data packet transmission mistake.
3, protocol identification number
Protocol identification length is 8bits, and identify the protocol type used, remote dummy channel transmission protocols identifier, as 0x29 etc.
4, channel recognition number
Channel recognition length is 16bits, is made up of version number, aircraft identifier (SCID) and virtual channel identification number (VCID).
(1) version number: 2bits, " 01 " represents the CCSDS form of first version;
(2) SCID:8bits, instruction aircraft code name;
(3) VCID:6bits, a usual high speed sending node accounts for a bit stream service, and each bit stream service respectively distributes 1 No. VCID, to realize virtual channel multiplexing.
5, pseudo channel frame count
Pseudo channel frame count length is 24bits, 24 digit counters, counts (mould 2 in order to the sum of the VCDU frame that each pseudo channel transmits
24computing), be used for maintaining independent counting to each high speed sending node together with channel number, and count from 0.
6, signal domain
Information field length is 8bits, is made up of playback mark, VC frame count application identities, reserved field and VC frame cycle count.
(1) playback mark: 1bit, indicate this frame to be real-time frame or playback frame, " 0 " represents that this frame is real-time Transmission frame, and " 1 " represents that this frame is playback frame;
(2) VC frame count uses mark: 1bit, and whether instruction VC frame employs cycle count territory, and " 0 " represents do not have VC frame cycle count territory, and " 1 " expression employs VC frame cycle count territory;
(3) reserved field: 2bits, reserved, be set to " 00 ";
(4) VC frame cycle count territory: often complete a cycle period counting, this territory adds 1.
7, frame top guide control word
Frame top guide control word is optional in SpW-RVTP bag, and its length is 16bits, carries out channel recognition number, pseudo channel frame count and signal domain three part (totally 6 bytes) and verifies.
8, territory is inserted
In units of byte, variable-length, supports insertion information, can insert temporal information or other service application information.
9, B_PDU top guide
B_PDU top guide length is 16bits, is made up of reserved field and bit stream data pointer.
(1) reserved field: 2bits, reserved, be set to " 00 ";
(2) bit stream data pointer: the length being used to indicate valid data in data field.
10, B_PDU bit stream data territory
In units of byte, length is fixed, Data Flow Oriented transparent transmission, supplies if desired, to generate a complete SpW-RVTP packet by filling " A5 " cyclic code.
11, EOP end mark
The normal termination of remote dummy channel transmission protocols accords with.
From the above, when network design, its SpW-RVTP protocol package length is fixing, is set to N here.Based on SpW-RVTP protocol data bag FDIR treatment measures as shown in Figure 3, detailed processing method is as follows:
-protocol identification detection and treatment
Network egress detects protocol identification content in the SpW-RVTP packet received, if when this protocol identification is number undesirable, then abandon this SpW-RVTP packet, and identifies this bag by remote measurement and there is " protocol identification mistake ".
-destination logical address detection and treatment
The logical address that SpW network gives each peer distribution unique, network egress detects the destination logical address content in the SpW-RVTP packet received, if this logic identification number is not allocated in advance to this node, then abandon this SpW-RVTP packet, and identify this bag existence " destination logical address mistake " by remote measurement.
The detection of-channel characteristics, isolation and process
Network egress detects channel characteristics in the SpW-RVTP packet received, and comprises channel recognition number and pseudo channel frame count, and the version number wherein in channel recognition number and SCID determine in a SpW network, do not detect, detect VCID here.CCSDSAOS agreement is each high speed load distribution VCID, when multi-load transmits, each sending node is distinguished by VCID, so in Internet Transmission, different sending nodes can be distinguished by VCID, if when mistake appears in a certain load, can channel separation be carried out, not affect the normal transmission of other sending nodes.Details are as follows for channel characteristics detection, isolation and processing method:
-when network egress detects that VCID does not pre-set, then abandon this SpW-RVTP packet, and identify this bag existence " illegal VCID mistake " by remote measurement;
-when the VCID detected pre-sets, then continue the pseudo channel frame count and the packet length information that detect corresponding VCID.Network egress detects pseudo channel frame count whether continuous (as whether cycle accumulor 1 counts) in adjacent two the SpW-RVTP protocol package received, if judge discontinuous, then identify sending node corresponding to this VCID by remote measurement and there is " SpW packet loss mistake ", but do not abandon this SpW-RVTP protocol package;
-when network egress detects that SpW-RVTP protocol package length is not equal to N, do not abandon this SpW-RVTP protocol package.If length is greater than N, then intercept the data of N length, and identify sending node existence " the longer mistake of SpW packet length " corresponding to this VCID by remote measurement; Otherwise, if length is less than N, then by filling fixed data, as " CC ", make it to reach N length, and identify sending node existence " the shorter mistake of SpW packet length " corresponding to this VCID by remote measurement.
The SpW network FDIR processing method that the present embodiment provides, its FDIR treatment measures improve the mutual independence of the SpW network information and reliability.
The present embodiment, in engineer applied, is provided with corresponding measurement monitoring fault in-situ, can realize quick problem location, the efficiency of improve Ground analysis problem, dealing with problems.
This gives SpW-RVTP protocol package form, and illustrate network FDIR treatment measures for its format content, comprise protocol identification detection and treatment, destination logical address detection and treatment, channel characteristics detects, isolates and processes and frame top guide verifies detection and treatment.By this FDIR treatment measures, both can improve independence and the reliability of SpW Internet Transmission, quick problem location can be realized again, the efficiency of promote Ground analysis problem, dealing with problems.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. a SpW network FDIR processing method, is characterized in that, based on SpW-RVTP agreement, carries out FDIR process in network egress; Described SpW-RVTP agreement obtains after carrying out the integrated treatment of SpW agreement and CCSDSAOS agreement to spaceborne multi-load data, specifically comprises the steps:
Step S1, carries out in the process of SpW agreement packaging in network source, complete the CCSDSAOS Protocol virtual Channel Processing of valid data, forms SpW-RVTP protocol data bag, and is sent to network egress;
Step S2, after network egress receives the multichannel SpW-RVTP protocol data bag that network source sends here, first protocol analysis is carried out, remove the SpW protocol format in SpW-RVTP agreement, extract AOS agreement VCDU frame in SpW-RVTP protocol data bag again, finally add 1ACFFC1D data, form a complete CADU format frame and send to physical channel;
Step S3, based on SpW-RVTP protocol data bag, carries out FDIR process in network egress, comprises following measure:
-protocol identification detection and treatment;
-destination logical address detection and treatment;
The detection of-channel characteristics, isolation and process.
2. SpW network FDIR processing method according to claim 1, it is characterized in that, described SpW-RVTP protocol data packet format comprises: target SpW port address, destination logical address, protocol identification number, channel recognition number, pseudo channel frame count, signal domain, frame top guide control word, insert territory, B_PDU top guide, B_PDU bit stream data territory and EOP end mark.
3. SpW network FDIR processing method according to claim 2, it is characterized in that, described protocol identification detection and treatment is specially: if when the protocol identification of SpW-RVTP agreement is number undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " protocol identification mistake " by remote measurement; Otherwise, if when the protocol identification of SpW-RVTP agreement number meets the requirements, do not do troubleshooting.
4. SpW network FDIR processing method according to claim 2, it is characterized in that, described destination logical address detection and treatment is specially: if when the destination logical address logic identification of SpW-RVTP agreement is number undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " destination logical address mistake " by remote measurement; Otherwise, if when the destination logical address logic identification number of SpW-RVTP agreement meets the requirements, do not do troubleshooting.
5. SpW network FDIR processing method according to claim 2, it is characterized in that, described channel characteristics detects, isolation with process: comprise that the virtual channel identification is detected, the bag continuity of pseudo channel detects, the packet length of pseudo channel detects, isolates and processes, be specially:
-when network egress detects that the virtual channel identification of SpW-RVTP agreement is undesirable, then abandon this SpW-RVTP protocol data bag, and identify this SpW-RVTP protocol data bag existence " illegal virtual channel logo mistake " by remote measurement; Otherwise, do not do troubleshooting;
-when detecting that the pseudo channel frame count of certain virtual channel identification is discontinuous, then identify sending node corresponding to this virtual channel identification by remote measurement and there is " SpW packet loss mistake ", but do not abandon this SpW-RVTP protocol data bag; Otherwise, do not do troubleshooting;
-when detecting that the packet length of certain virtual channel identification is not equal to preset value, do not abandon this SpW-RVTP protocol data bag; If length is greater than preset value, then the data of preset value length before intercepting, and identify sending node corresponding to this virtual channel identification by remote measurement and there is " the longer mistake of SpW packet length "; If length is less than preset value, then by filling fixed data, make the packet length of virtual channel identification reach preset value length, and identify sending node corresponding to this virtual channel identification by remote measurement and there is " the shorter mistake of SpW packet length "; If when length equals preset value, do not do troubleshooting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860821.7A CN105515843B (en) | 2015-11-30 | 2015-11-30 | SpW network FDIR processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860821.7A CN105515843B (en) | 2015-11-30 | 2015-11-30 | SpW network FDIR processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105515843A true CN105515843A (en) | 2016-04-20 |
| CN105515843B CN105515843B (en) | 2018-11-23 |
Family
ID=55723502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510860821.7A Active CN105515843B (en) | 2015-11-30 | 2015-11-30 | SpW network FDIR processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105515843B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062175A (en) * | 2018-06-07 | 2018-12-21 | 北京控制工程研究所 | Based on the accumulative Integrated Electronic System failure separation method and system for differentiating timing |
| CN110049020A (en) * | 2019-03-27 | 2019-07-23 | 中国科学院国家空间科学中心 | A kind of CCSDS AOS protocol data real-time processing method and system |
| CN111064545A (en) * | 2019-12-02 | 2020-04-24 | 西安电子科技大学 | Device and method for realizing private network ground inspection with SPW interface based on FPGA |
| CN111092694A (en) * | 2019-12-20 | 2020-05-01 | 北京遥测技术研究所 | Multi-standard transmission frame data frame format generation method |
| CN114416838A (en) * | 2021-12-27 | 2022-04-29 | 国网天津市电力公司 | Method for data transmission among power multi-production systems |
-
2015
- 2015-11-30 CN CN201510860821.7A patent/CN105515843B/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 唐明圣，等: "星上一体化电子系统的FDIR框架设计与研究", 《计算机应用与软件》 * |
| 汪浩淼: "卫星在线状态监测模块研制", 《中国优秀硕士学位论文全文数据库》 * |
| 王娜: "SpaceWire总线节点接口的设计", 《中国优秀硕士学位论文全文数据库》 * |
| 王震，等: "基于虚拟信道的SpaceWire总线网络技术应用研究", 《信息技术》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062175A (en) * | 2018-06-07 | 2018-12-21 | 北京控制工程研究所 | Based on the accumulative Integrated Electronic System failure separation method and system for differentiating timing |
| CN109062175B (en) * | 2018-06-07 | 2020-06-09 | 北京控制工程研究所 | Integrated electronic system fault isolation method and system based on accumulated judgment time sequence |
| CN110049020A (en) * | 2019-03-27 | 2019-07-23 | 中国科学院国家空间科学中心 | A kind of CCSDS AOS protocol data real-time processing method and system |
| CN110049020B (en) * | 2019-03-27 | 2022-01-25 | 中国科学院国家空间科学中心 | CCSDS AOS protocol data real-time processing method and system |
| CN111064545A (en) * | 2019-12-02 | 2020-04-24 | 西安电子科技大学 | Device and method for realizing private network ground inspection with SPW interface based on FPGA |
| CN111064545B (en) * | 2019-12-02 | 2021-09-10 | 西安电子科技大学 | Device and method for realizing private network ground inspection with SPW interface based on FPGA |
| CN111092694A (en) * | 2019-12-20 | 2020-05-01 | 北京遥测技术研究所 | Multi-standard transmission frame data frame format generation method |
| CN111092694B (en) * | 2019-12-20 | 2022-03-04 | 北京遥测技术研究所 | Multi-standard transmission frame data frame format generation method |
| CN114416838A (en) * | 2021-12-27 | 2022-04-29 | 国网天津市电力公司 | Method for data transmission among power multi-production systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105515843B (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105515843A (en) | FDIR (Fault Diagnosis, Isolation and Restoration) processing method for SpW (SpaceWire) network | |
| CN102857295A (en) | Virtual channel based SpaceWire network transmission and processing | |
| CN102291291B (en) | For the method that would know that the built-in Remote Switched Port Analyzer of time | |
| US9282173B2 (en) | Reconfigurable packet header parsing | |
| US8190966B1 (en) | Systems and methods for implementing end-to-end checksum | |
| US20140269754A1 (en) | Computer system and method for communicating data between computers | |
| US20130208630A1 (en) | Avionics full-duplex switched ethernet network | |
| CN102983939B (en) | A kind of upstream data communication method for spacecraft multilevel subnetwork | |
| CN104202131A (en) | Method for improving transmission real-time of sample data in electric power distribution network system | |
| CN101877659A (en) | Method, device and system for monitoring packet loss | |
| CN103546354A (en) | Communicating method being based on Internet of Things electric temperature measurement equipment and enabling RS485 bus and CAN bus to be compatible | |
| CN112436601B (en) | Information flow processing method of intelligent substation, computer equipment and storage medium | |
| CN102971983B (en) | There is the packet protocol process that accurate timing protocols is supported | |
| CN106094800A (en) | A kind of management system of novel CAN FD controller | |
| CN112953679A (en) | Control method, system and application of data transmission coprocessor in deterministic network | |
| CN102148728A (en) | E1 emulation realization method | |
| CN104866399A (en) | UM-BUS bus channel fault detection controller and detection method | |
| CN102263700B (en) | Method, device and system for sending and receiving messages | |
| CN204392275U (en) | A kind of MVB data interception system with Ethernet interface | |
| CN108063986A (en) | Frame number bearing method, the apparatus and system of multichannel passive optical network | |
| CN101771592B (en) | Method for automatically configuring EAPS transmission nodes | |
| CN109218176B (en) | Message processing method and device | |
| CN105763411B (en) | Method and device for establishing multicast tunnel | |
| CN105141395B (en) | Frame payload extracting method in a kind of broadband access network system | |
| CN100512289C (en) | Processing method for communication system transmitting and receiving data using general frame forming rule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |