CN106209519A - Rule-based 1553B bus system method of testing able to programme - Google Patents
Rule-based 1553B bus system method of testing able to programme Download PDFInfo
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- CN106209519A CN106209519A CN201610667686.9A CN201610667686A CN106209519A CN 106209519 A CN106209519 A CN 106209519A CN 201610667686 A CN201610667686 A CN 201610667686A CN 106209519 A CN106209519 A CN 106209519A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- 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
- H04L43/50—Testing arrangements
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Abstract
The invention provides a kind of rule-based 1553B bus system method of testing able to programme, comprise the steps: step 1: by analyzing the message transmission form of each 1553B bus, message transfer process in a satellite, conclude and form the system configuration rule of 1553B bus, message flow mark configuration rule and message arrangement rule；Step 2: ground testing system is by identifying that the system configuration rule of 1553B bus, message flow mark configuration rule and message arrangement rule realize the system monitoring of 1553B bus in the full test process of described satellite, bus communication is simulated, data store and thing post-processing function.The present invention can be applicable to each stages such as the dress star test of satellite each subsystem, the test of whole star and large-scale experiment, meets the needs of satellite Project R&D, test.
Description
Technical field
The present invention relates to satellite system test, in particular it relates to a kind of rule-based 1553B bus system able to programme is surveyed
Method for testing.
Background technology
Digital time-devision system instruction/response type multiplex data bus (i.e. 1553B bus) due to its strong interference immunity,
Data transmission is reliable, real-time, be suitable for the advantages such as centralized Control, is widely used in the development process of satellite model.Closely
Nian Lai, along with satellite 1553B bus utilization rate is more and more higher, application function process becomes increasingly complex, in satellite Project R&D, survey
In examination overall process, need 1553B bus data to be monitored and stores, if desired storage data are played back, locate afterwards
The operations such as reason, it is ensured that satellite-bone bus function is normal.
Generally, part satellite use outsourcing versabus monitor equipment, the most when necessary or problem investigation time to specific
Remote terminal parton address monitor, on the one hand such method of testing has a problem in that cannot be for satellite proprietary application
Function course monitors comprehensively, on the other hand cannot preserve complete test data and cause occurring that during test abnormal conditions, playback is tired
Difficult problem；Although and using the ground surveillance equipment developed specially for certain satellite model can accomplish for satellite special
Application function process carries out monitoring and possess part storage or playback function afterwards, but cannot solve when satellite main body or satellite
The star produced when 1553B bus communication protocol changes the system of testing cannot the problem of rapid deployment, cause test system
Safeguard the problems such as complexity, inefficiency.
Therefore, it is necessary to for above-mentioned deficiency develop can rapid deployment, the 1553B bus system method of testing of maintenance,
The invention provides a kind of rule-based innovative approach, it is possible to be applicable to satellite each subsystem dress star test, whole star test with
And each stage such as large-scale experiment, meet the needs of satellite Project R&D, test.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of rule-based 1553B bus able to programme
System test side, for solve tradition outsourcing versabus monitor equipment and model specific bus monitoring equipment deficiency it
Place.
The 1553B bus system method of testing rule-based able to programme provided according to the present invention, comprises the steps:
Step 1: by analyzing the message transmission form of each 1553B bus, message transfer process in a satellite, concludes and is formed
The system configuration rule of 1553B bus, message flow mark configuration rule and message arrangement rule；
Step 2: ground testing system is by identifying the system configuration rule of 1553B bus, message flow mark configuration rule
Then and message arrangement rule realize the system monitoring of 1553B bus in the full test process of described satellite, bus communication simulation, data
Storage and thing post-processing function.
Preferably, described satellite uses 1553B bus as main bus on star；Described satellite uses static bus to control.
Preferably, described step 1 comprises the steps:
-formulate machine language discernible rule definition remote terminal allocation list, remote terminal allocation list is used for limiting this
The true remote terminal of 1553B bus, virtual long terminal and the address of invalid remote terminal and title.
Preferably, described step 1 also comprises the steps:
-formulation machine language discernible rule definition mode coding line allocation list, status word allocation list, self-test word are joined
Putting table, mode coding line allocation list, status word allocation list, self-test word allocation list are for limiting the bus-like of this 1553B bus
State word and the significance bit of self-test word and definition.
Preferably, described step 1 also comprises the steps:
-according to the message format of 1553B bus, bus message is divided into non-broadcast message, broadcast；By each always
Line message gives unique message flag；
-according to the specifically used state of satellite, each application function of satellite is decomposed into some message sequences；
-according to each bus message sequence number in this application function, give its unique message flow mark.
Preferably, described step 1 also comprises the steps
-formulate machine language discernible rule definition bus message allocation list, bus message allocation list is used for limiting this
The maximum magnitude of bus message and specifying information, each bus message includes following field: message name, source terminal, transmission
In subaddressing, target terminal, reception subaddressing, vector font request position, message cycle, message flow mark, message-length, message
Hold.
Preferably, ground testing system is by the long-range end identified and satellite 1553B bus system application function matches
End allocation list, coding line allocation list, status word allocation list, self-test word allocation list, rule definition bus message allocation list, complete
The system monitoring of 1553B bus of test phase complete to satellite, bus communication simulation, data storage and thing post-processing function.
Preferably, when the communication protocol of satellite or 1553B bus changes, the most newly-built or change remote terminal configuration
Table, coding line allocation list, status word allocation list, self-test word allocation list, rule definition bus message allocation list.
Compared with prior art, the present invention has a following beneficial effect:
1, the present invention can be applicable to each stages such as the dress star test of satellite each subsystem, the test of whole star and large-scale experiment,
Meet the needs of satellite Project R&D, test；
2, the present invention has taken into full account the change of satellite 1553B bus message transmission form, and rule recognition methods is the cleverest
Live effectively, test the deployment efficiency of system with substantially increasing star；
3, the present invention can be greatly simplified when satellite main body or satellite 1553B bus system communication protocol occur change
The maintenance process of star ground test system, improves test job efficiency further, meets the test of satellite each stage and uses requirement.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 Plays of the present invention 1553B bus non-broadcasting format transmission message schematic diagram；
Fig. 2 Plays of the present invention 1553B bus broadcast format transmission message schematic diagram；
Certain satellite 1553B bus network topology structure chart in Fig. 3 present invention；
Certain satellite 1553B bus message allocation list in Fig. 4 present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
In the present embodiment, the 1553B bus system method of testing rule-based able to programme that the present invention provides, including such as
Lower step:
Step 1: by analyzing the message transmission form of each 1553B bus, message transfer process in a satellite, concludes and is formed
The system configuration rule of 1553B bus, message flow mark configuration rule and message arrangement rule；
Step 2: ground testing system is by identifying the system configuration rule of 1553B bus, message flow mark configuration rule
Then and message arrangement rule realize the system monitoring of 1553B bus in the full test process of described satellite, bus communication simulation, data
Storage and thing post-processing function.
Described satellite uses 1553B bus as main bus on star；Described satellite uses static bus to control.
Described step 1 comprises the steps:
-formulate machine language discernible rule definition remote terminal allocation list, rule definition remote terminal allocation list is used
In limiting the true remote terminal of this 1553B bus, virtual long terminal and the address of invalid remote terminal and title.Specifically
For, define remote terminal allocation list according to the service condition of certain concrete model 1553B bus, describe according to actual operation requirements remote
The master backup relation of journey terminal RT.Wherein, definition bus control unit is BC, and remote terminal is RT.
1553B bus at most can configure 30 the proprietary address of RT 0x01～0x1E；
1553B bus uses address 0x1F to be used for broadcasting as all RT public addresses；
RT address prefix with symbol " ## ", without symbol or sew with symbol " // " represent in current 1553B bus respectively true
Real RT, virtual RT and invalid RT, the most virtual RT bus communication can be simulated by ground installation；
RT title represents followed by " (having the right) ", " (having no right) " printed words and there is master backup between the RT in current 1553B bus
Relation, when bus message source terminal/target terminal exists selection, by having the right, machine sends/receives.
Described step 1 also comprises the steps:
-formulation machine language discernible rule definition mode coding line allocation list, status word allocation list, self-test word are joined
Putting table, rule definition mode coding line allocation list, status word allocation list, self-test word allocation list are used for limiting this 1553B bus
Bus state word and the significance bit of self-test word and definition.
Specifically, configure according to service condition definition mode coding line allocation list, the status word of concrete model 1553B bus
Table, self-test word allocation list, for limiting having of mode command word, bus state word and the self-test word of the use of 1553B bus
Effect position and definition, follow the regulation of 1553B bus handbook without Special use as required.
Mode command word allocation list 00000～11111 defines mode coding line actually used in satellite, wherein
01001～01111,10110～11111 is standard undefined standby mode coding line；
Mode coding line prefix with symbol " // " represent that in current system, this position is not used；
Status word allocation list BIT15～BIT0 defines the concrete meaning of every in status word；
Status word allocation list BIT position prefix with symbol " // " represent that in current system, this position is not used；
Self-test word allocation list BIT15～BIT0 defines the concrete meaning of every in self-test word；
Self-test word allocation list BIT position prefix with symbol " // " represent that in current system, this position is not used.
Described step 1 also comprises the steps:
-according to the message format of 1553B bus, bus message is divided into non-broadcast message, broadcast；By each always
Line message gives unique message flag；
-according to the specifically used state of satellite, each application function of satellite is decomposed into some message sequences；
-according to each bus message sequence number in this application function, give its unique message flow mark.
Specifically, the message format specified according to 1553B bus handbook, bus message is divided in 10, the most non-extensively
Broadcast message A～F (see Fig. 1), broadcast G～J (see Fig. 2), based on this, then each bus message can be endowed uniquely
Message flag A#～J#；Further according to the specifically used situation of model, each application function is decomposed into the sequence of some message, example
As: { F#, D#, E#} represent one, and { RT1--> RT2 sends data to message sequence, and BC--> RT sends data, and RT--> BC sends number
According to } application function；Afterwards further according to each message sequence number in this application function, give its unique message flow mark
Will, such as: { F#, D#, E#:2} represent the 2nd message in this application function.
Message A: no data word mode order (BC mode coding line, RT status word)；
Message B: mode receives order (BC mode coding line+data word, RT status word)；
Message C: mode sends order (BC mode coding line, RT status word+data word)；
Message D:BC--> RT transmission data (BC receives order+data word, RT status word)；
Message E:RT--> BC transmission data (BC sends order, RT status word+data word)；
Message F:RT1--> RT2 transmission data (BC receives/send order, RT1 status word+data word, RT2 status word)；
Message G: broadcast no data word mode order (BC mode coding line)；
Message H: broadcast mode receives order (BC mode coding line+data word)；
Message I:BC--> RT broadcast transmission data (BC receives order+data word)；
Message J:RT1--> RT2 broadcast transmission data (BC receives/send order, RT1 status word+data word)；
Described step 1 also comprises the steps
-formulate machine language discernible rule definition bus message allocation list, bus message allocation list is used for limiting this
The maximum magnitude of bus message and specifying information, each bus message includes following field: message name, source terminal, transmission
In subaddressing, target terminal, reception subaddressing, vector font request position, message cycle, message flow mark, message-length, message
Hold.
Specifically, define bus message allocation list according to the service condition of concrete model 1553B bus system, it is used for limiting
The maximum magnitude of this system valid bus message and specifying information, each message comprises following field: message name, source are eventually
End, transmission subaddressing, target terminal, reception subaddressing, vector font are asked position, message cycle, flow process mark, message-length, are disappeared
Breath content etc..
Source terminal represents message sender, if RT address occurs in this field, "/" separates, and represents and there is master backup between RT
Relation, is sent this message according to remote terminal allocation list regulation by machine of having the right；
Target terminal represents message receiver, if this field occurs that RT address separates with ", ", represents that some RT connect simultaneously
Receive this message；If RT address occurs in this field, "/" separates, and represents and there is master backup relation between RT, configures according to remote terminal
Table regulation is received this message by machine of having the right；
When source terminal is BC, sends subaddressing and represent with "/"；
When target terminal is BC, receives subaddressing and represent with "/"；
Receive subaddress field "/" to separate, represent and send data in turn to reception subaddressing；
Vector font request position, represents RT request type and state.
Ground testing system is by identifying the rule definition matched with satellite 1553B bus system application function the most eventually
End allocation list, coding line allocation list, status word allocation list, self-test word allocation list, rule definition bus message allocation list, complete
The system monitoring of 1553B bus of test phase complete to satellite, bus communication simulation, data storage and thing post-processing function.
Thus, ground testing system can possess following ability: completes the supervision of satellite full test phase 1553B bus system, data system
Meter；The communication simulation of satellite portion bus remote terminal can be completed if desired；The logical of satellite bus controller can be completed if desired
Letter simulation；Complete the storage of satellite full test phase 1553B bus communication data, and add timestamp；Complete survey complete to satellite
The examination stage has stored the playback afterwards of 1553B bus communication data, can screen the bus message of specified conditions according to input and lead
Go out result.
When the communication protocol of satellite or 1553B bus changes, the most newly-built or change rule definition remote terminal is joined
Put table, coding line allocation list, status word allocation list, self-test word allocation list, rule definition bus message allocation list.
Specifically, when satellite main body changes or satellite 1553B bus communication protocol changes, then according to above-mentioned
The rule mated with model, newly-built/change remote terminal allocation list, status word allocation list, self-test word allocation list, bus message
Allocation list, confirms simultaneously and improves message flow mark, with little need for carrying out ground checkout equipment on any code more
Change test system rapid deployment with just completing star, be greatly simplified system maintenance flow process.
In one more specifically embodiment, certain uses 1553B bus as the satellite model of spaceborne main bus, is somebody's turn to do
Model uses static bus to control, i.e. only one of which fixed bus controller (number pipe computer)；It is long-range that this model is furnished with bus
15, terminal, satellite 1553B bus network topology structure is as shown in Figure 3.
The rule-based 1553B bus system method of testing able to programme of the present invention is specific as follows.
1553B bus system actually used situation definition remote terminal allocation list according to this model, configures as follows:
1553B bus system use 1 RT public address for system broadcasts, 15 proprietary addresses of RT (wherein 13 is true RT, 2
Individual for virtual RT), the RT that there is master backup has data processor (A has the right), navigation and registration unit (B has the right).
According to this model 1553B bus system actually used situation definition mode command word allocation list, status word allocation list,
Self-test word allocation list, configures as follows: (00011 starts certainly 3 kinds of mode command words of 1553B bus system selection standard regulation
Test, 10000 transmission vector fonts, 10011 transmission self-test words), 3 mode bits (message error position, sons of selection standard regulation
System sign position, end mark position), standard regulation followed in self-test word.
According to this actually used situation of model 1553B bus system, 230 message, 124 application functions of definition, institute altogether
Having message to have unique message flow mark, all application functions have unique message sequence.Due to the present embodiment message
Scale is excessive cannot be listed one by one at this, the most only lists part messages flow process mark.
RT1D starts self-test, and { A15, C15:1} are the 1st message of self-test function
RT1D sends self-test word, and { A15, C15:2} are the 2nd message of self-test function
RT1D sends vector font, and { C30:1} is the independent message of vector font function
RT1D starts long armful of ring test, and { D15, E15:1} embrace the 1st message of ring test function for long
RT1D length embraces ring test return, and { D15, E15:2} embrace the 2nd message of ring test function for long
{ D31, D46, E31:1} are the 1st message of software instruction function to RT01 software instruction
RT01 software instruction terminates word, and { D31, D46, E31:2} are the 2nd message of software instruction function
RT01 software instruction returns bag, and { D31, D46, E31:3} are the 3rd message of software instruction function
{ F4, D75, D76:1} are the 1st message of low speed load bag in RT03 survey meter engineering remote measurement
RT03 load end-of-packet word 1{F4, D75, D76:2} are the 2nd message of low speed load bag
RT03 load end-of-packet word 2{F4, D75, D76:3} are the 3rd message of low speed load bag
{ E74, D88:1} are accurate the 1st message of function of temperature control to RT1C temperature control instrument sensor temperature values
{ E74, D88:2} are accurate the 2nd message of function of temperature control to RT1C temperature control instrument heater duty cycle
{ D89, E76:1} are the 1st message of BC data recovery function to BC important data backup
{ D89, E76:2} are the 2nd message of BC data recovery function to the recovery of BC significant data
{ I1:1} is the independent message of time broadcast capability in time broadcast
Defining bus message allocation list according to this actually used situation of model 1553B bus system, definition 230 disappears altogether
Breath, each message includes following field: message name, source terminal, transmission subaddressing, target terminal, reception subaddressing, vector
Word request position, message cycle, flow process mark, message-length, message content etc..Due to the present embodiment message size is excessive cannot be
This lists one by one, and being embodied as of bus message allocation list sees Fig. 4.
Ground testing system according to the above-mentioned rule mated with model, identify remote terminal allocation list, status word allocation list,
Self-test word allocation list, bus message allocation list, complete the autonomic learning to satellite model 1553B bus system and structure, and
Learn message flow mark by method for mode matching, restore the whole application functions in this system and complete these application
The context relation of message sequence needed for function.
By the ground testing system of above-mentioned rule-based method design in this model each stage test process, base
Originally possess following ability, complete the supervision of satellite full test phase 1553B bus system, data statistics；Complete satellite if desired
The communication simulation of partial bus remote terminal；Complete the communication simulation of satellite bus controller if desired；Complete satellite entirely to test
The storage of stage 1553B bus communication data, and add timestamp；Complete test phase complete to satellite and store 1553B bus
The playback afterwards of communication data, can screen the bus message of specified conditions according to input and derive result.Show this 1553B bus
System detection method reasonable.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (8)
1. a rule-based 1553B bus system method of testing able to programme, it is characterised in that comprise the steps:
Step 1: by analyzing the message transmission form of each 1553B bus, message transfer process in a satellite, concludes and is formed
The system configuration rule of 1553B bus, message flow mark configuration rule and message arrangement rule；
Step 2: ground testing system by identify the system configuration rule of 1553B bus, message flow mark configuration rule and
Message arrangement rule realizes the system monitoring of 1553B bus in the full test process of described satellite, bus communication simulation, data storage
And thing post-processing function.
Rule-based 1553B bus system method of testing able to programme the most according to claim 1, it is characterised in that institute
Stating satellite uses 1553B bus as main bus on star；Described satellite uses static bus to control.
Rule-based 1553B bus system method of testing able to programme the most according to claim 1, it is characterised in that institute
State step 1 to comprise the steps:
-formulate machine language discernible rule definition remote terminal allocation list, remote terminal allocation list is used for limiting this 1553B
The true remote terminal of bus, virtual long terminal and the address of invalid remote terminal and title.
Rule-based 1553B bus system method of testing able to programme the most according to claim 3, it is characterised in that institute
State step 1 also to comprise the steps:
-formulate machine language discernible rule definition mode coding line allocation list, status word allocation list, the configuration of self-test word
Table, mode coding line allocation list, status word allocation list, self-test word allocation list are for limiting the bus state of this 1553B bus
Word and the significance bit of self-test word and definition.
Rule-based 1553B bus system method of testing able to programme the most according to claim 4, it is characterised in that institute
State step 1 also to comprise the steps:
-according to the message format of 1553B bus, bus message is divided into non-broadcast message, broadcast；Each bus is disappeared
Breath gives unique message flag；
-according to the specifically used state of satellite, each application function of satellite is decomposed into some message sequences；
-according to each bus message sequence number in this application function, give its unique message flow mark.
Rule-based 1553B bus system method of testing able to programme the most according to claim 5, it is characterised in that institute
State step 1 also to comprise the steps
-formulate machine language discernible rule definition bus message allocation list, bus message allocation list is used for limiting this bus
The maximum magnitude of message and specifying information, each bus message includes following field: message name, source terminal, transmission ground
Location, target terminal, reception subaddressing, vector font request position, message cycle, message flow mark, message-length, message content.
Rule-based 1553B bus system method of testing able to programme the most according to claim 6, it is characterised in that ground
Test system in face is by identifying that the remote terminal allocation list matched with satellite 1553B bus system application function, coding line are joined
Put table, status word allocation list, self-test word allocation list, rule definition bus message allocation list, complete test phase complete to satellite
The system monitoring of 1553B bus, bus communication simulation, data storage and thing post-processing function.
Rule-based 1553B bus system method of testing able to programme the most according to claim 6, it is characterised in that when
When the communication protocol of satellite or 1553B bus changes, the most newly-built or change remote terminal allocation list, coding line allocation list,
Status word allocation list, self-test word allocation list, rule definition bus message allocation list.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108733871A (en) * | 2018-03-29 | 2018-11-02 | 华东师范大学 | A kind of method of pure software emulation bus communication |
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| CN111541584A (en) * | 2020-04-20 | 2020-08-14 | 上海航天测控通信研究所 | 1553B data transmission reliability test method, device and storage medium |
| CN111541584B (en) * | 2020-04-20 | 2022-11-01 | 上海航天测控通信研究所 | 1553B data transmission reliability test method, device and storage medium |
| CN111708347B (en) * | 2020-06-08 | 2021-09-14 | 湖北三江航天万峰科技发展有限公司 | Control equipment testing device and method based on vector word |
| CN111708347A (en) * | 2020-06-08 | 2020-09-25 | 湖北三江航天万峰科技发展有限公司 | Control equipment testing device and method based on vector word |
| CN113177011A (en) * | 2021-06-06 | 2021-07-27 | 北京国电高科科技有限公司 | Spacecraft data analysis application method |
| CN113177011B (en) * | 2021-06-06 | 2024-06-11 | 北京国电高科科技有限公司 | Spacecraft data analysis application method |
| CN113485912A (en) * | 2021-06-08 | 2021-10-08 | 北京控制工程研究所 | 1553B bus BC chip communication function simulation method |
| CN113485912B (en) * | 2021-06-08 | 2023-12-12 | 北京控制工程研究所 | Communication function simulation method for 1553B bus BC chip |
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