CN102495745B - Avionics system distributed data loading management control method - Google Patents
Avionics system distributed data loading management control method Download PDFInfo
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- CN102495745B CN102495745B CN201110388002.9A CN201110388002A CN102495745B CN 102495745 B CN102495745 B CN 102495745B CN 201110388002 A CN201110388002 A CN 201110388002A CN 102495745 B CN102495745 B CN 102495745B
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Abstract
The invention provides an avionics system distributed data loading management control method, which solves the problem that a traditional control mode cannot perform data loading management control under a distributed network environment. The data loading management control method defines a new management control information data structure and comprises information control characters serving as information content symbols and an information data area used for storing information contents, and data loading management software firstly writes in information communication characters before sending management control information, and then enables data to be filled in the information data area according to a form to which the information characters correspond. The data loading management software sends the management control information to data loading functional software through a user datagram protocol (UDP) communication mode, and the data loading functional software extracts corresponding information data in the information data area according to values of information communication characters. The data loading management control method is low in application cost, good in generality and timeliness, and strong in testability and expandability.
Description
Technical field
The present invention relates to a kind of avionics system data and load management control method, the data that are specifically related under distributed network environment load management control method.
Background technology
Along with civil aircraft avionics system development, increasing electronic equipment is integrated, the equipment complex degree is more and more higher, the equipment that needs to be serviced the data loading is more and more, need the data volume of loading also increasing, and the function segmentation along with display unit and central maintenance unit equipment, data value-added tax function software loads management software from data and must be deployed on different hardware devices, traditional centralized data load management and control method, can't meet the requirement of integrated avionics system now.
In order to guarantee that the data under distributed network environment load real-time between management and data value-added tax function, effectively control, a kind of new control method need to be arranged, to guarantee under distributed network environment, effective operation of data value-added tax function.
Summary of the invention
The invention provides a kind of avionics system distributed data loading management control method, to solve traditional control method, can't meet the problem that the data under distributed network environment is loaded to management control.
Technical scheme of the present invention is as follows:
Avionics system distributed data loading management control method is that management control messages is defined as to following two classes:
I, data load the message that management software is issued data value-added tax function software;
II, data value-added tax function software are issued the message that data load management software;
The data structure of this two classes management control messages is identical, all is defined as following two data fields:
A, message communicating word, b, message data district;
Wherein, different management control messages, as the load zones of management control messages, for writing one of multiple message content, is distinguished with the message communicating word by the message data district;
According to above definition, carry out following steps and realize that distributed data loads management and controls:
(1) user loads by data the graphical interfaces input value-added tax function operational order that management role (100) provides, and after data loading management role is received the value-added tax function operational order, to message communicating task (101), sends steering order;
(2) after message communicating task (101) receives steering order, according to steering order, create corresponding management control messages according to data structure defined above, by UDP, management control messages is sent to the value-added tax function task (102) in data value-added tax function software, this management control messages is as the value-added tax function operation information;
(3) after value-added tax function task (102) is received the value-added tax function operation information, carry out message parse, according to message content, carry out corresponding value-added tax function operating process, send corresponding steering order to data file communication task (103) and status file communication task (104), carry out corresponding load operation function;
(4) in the process of carrying out the load operation function, data file communication task (103) and status file communication task (104) are according to the value-added tax function executing state, also according to data structure defined above, create in real time corresponding management control messages, and send to message communicating task (101) by UDP;
(5) resolved after message communicating task (101) receives management control messages, according to message content, to loading management role (100), sent corresponding steering order;
(6) load demand according to data, the repeatedly operation of execution step (1) to (5), until the data loading procedure finishes.
Above-mentioned message data district is specifically for writing one of following nine kinds of message contents:
10) state updating message;
11) Operation Log updating message;
12) Find operating result message;
13) the target machine information that the Information operation gets;
14) status message that MediaDown operation updating file is downloaded;
15) OperatorDown operation LNL listed files message;
16) OperatorDown operation LNA listed files message;
17) status message that OperatorDown operation updating file is downloaded;
18) value-added tax function operation information;
This message communicating word accounts for a byte, in order to the kind of message content in the identification message data field.
Adopt the data structure of the management control messages of the present invention's definition, using message data district wherein as the load zones of management control messages, distinguish different management control messages with the message communicating word, have favorable expandability, message parse speed is fast, the advantage that versatility is good, use UDP communication protocol to be transmitted simultaneously, can guarantee the real-time of communication, can communicate by letter on multiple aviation bus, be applicable to the civil avionics data load system.The application cost that these data load management control method is low, versatility good, real-time good, and testability and extensibility are strong.
The accompanying drawing explanation
The system architecture schematic diagram that Fig. 1 is avionics system distributed data loading management control method of the present invention.
Fig. 2 is the management control messages structure that the present invention defines.
Embodiment
The management control data that the present invention loads civil aircraft avionics system data carries out message communicating by the UDP mode, at first needs to define function and the data type of the data field of management control messages, and management control messages is defined as to following two class data:
I, data load the message data that management end (software) is issued data value-added tax function end;
II, data value-added tax function end (software) are issued the message that data load management software.
Management control messages structure (above two class management control messages) is defined as to two data fields:
A, message communicating word (to the sign of back data class);
B, message data district, it is 9 kinds that the message in message data district is divided into, respectively:
1) state updating message;
2) Operation Log updating message;
3) Find operating result message;
4) the target machine information that the Information operation gets;
5) status message that MediaDown operation updating file is downloaded;
6) OperatorDown operation LNL listed files message;
7) OperatorDown operation LNA listed files message;
8) status message that OperatorDown operation updating file is downloaded;
9) value-added tax function operation information.
Different message data content in the corresponding message data of the numerical value of message communicating word district.
The communication task of management control messages loads supervisory computer (data loading management software) and the upper operation of data value-added tax function computing machine (data value-added tax function software) in data respectively, as follows:
1, data load management software before sending management control messages, first according to data class, fill the message communicating word, then data are inserted in the message data district according to the corresponding form of message word.
2, data load management software, by the UDP communication mode, management control messages are sent to data value-added tax function software.
3,, after data value-added tax function software is received management control messages, according to the numerical value of message communicating word, extract the corresponding message data in message data district.
According to above operational scheme, can complete by data and load the data loading tasks of management end to data value-added tax function end.
The whole specific works operation steps of avionics system distributed data loading management control method of the present invention is as follows:
(1) user loads by data the graphical interfaces input value-added tax function operational order that management role (100) provides, and after data loading management role is received the value-added tax function operational order, to message communicating task (101), sends steering order;
(2) after message communicating task (101) receives steering order, according to steering order, create corresponding management control messages according to data structure defined above, by UDP, management control messages is sent to the value-added tax function task (102) in data value-added tax function software, this management control messages is as the value-added tax function operation information;
(3) after value-added tax function task (102) is received the value-added tax function operation information, carry out message parse, according to message content, carry out corresponding value-added tax function operating process, send corresponding steering order to data file communication task (103) and status file communication task (104), carry out corresponding load operation function;
(4) in the process of carrying out the load operation function, data file communication task (103) and status file communication task (104) are according to the value-added tax function executing state, also according to data structure defined above, create in real time corresponding management control messages, and send to message communicating task (101) by UDP;
(5) resolved after message communicating task (101) receives management control messages, according to message content, to loading management role (100), sent corresponding steering order;
(6) load demand according to data, the repeatedly operation of execution step (1) to (5), until the data loading procedure finishes.
Claims (2)
1. avionics system distributed data loading management control method is that management control messages is defined as to following two classes:
I, data load the message that management software is issued data value-added tax function software;
II, data value-added tax function software are issued the message that data load management software;
The data structure of this two classes management control messages is identical, all is defined as following two data fields:
A, message communicating word, b, message data district;
Wherein, different management control messages, as the load zones of management control messages, for writing one of multiple message content, is distinguished with the message communicating word by the message data district; The message communicating word is in order to the kind of message content in the identification message data field, different message data content in the corresponding message data of the numerical value of message communicating word district;
According to above definition, carry out following steps and realize that distributed data loads management and controls:
(1) user loads by data the graphical interfaces input value-added tax function operational order that management role (100) provides, and after data loading management role is received the value-added tax function operational order, to message communicating task (101), sends steering order;
(2) after message communicating task (101) receives steering order, according to steering order, create corresponding management control messages according to data structure defined above, by UDP, management control messages is sent to the value-added tax function task (102) in data value-added tax function software, this management control messages is as the value-added tax function operation information;
(3) after value-added tax function task (102) is received the value-added tax function operation information, carry out message parse, according to message content, carry out corresponding value-added tax function operating process, send corresponding steering order to data file communication task (103) and status file communication task (104), carry out corresponding load operation function;
(4) in the process of carrying out the load operation function, data file communication task (103) and status file communication task (104) are according to the value-added tax function executing state, also according to data structure defined above, create in real time corresponding management control messages, and send to message communicating task (101) by UDP;
(5) resolved after message communicating task (101) receives management control messages, according to message content, to loading management role (100), sent corresponding steering order;
(6) load demand according to data, the repeatedly operation of execution step (1) to (5), until the data loading procedure finishes.
2. avionics system distributed data loading management control method according to claim 1, is characterized in that, the message data district is for writing one of following nine kinds of message contents:
1) state updating message;
2) Operation Log updating message;
3) Find operating result message;
4) the target machine information that the Information operation gets;
5) status message that MediaDown operation updating file is downloaded;
6) OperatorDown operation LNL listed files message;
7) OperatorDown operation LNA listed files message;
8) status message that OperatorDown operation updating file is downloaded;
9) value-added tax function operation information;
Described message communicating word accounts for a byte, in order to the kind of message content in the identification message data field.
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| CN103745116A (en) * | 2014-01-17 | 2014-04-23 | 清华大学 | DIMA (distributed integrated modular avionics) system evaluation and optimization method |
| CN105701300B (en) * | 2016-01-14 | 2018-11-20 | 北京空间飞行器总体设计部 | A kind of spacecraft electric information inquiry system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155715B1 (en) * | 1999-03-31 | 2006-12-26 | British Telecommunications Public Limited Company | Distributed software system visualization |
| CN101436162A (en) * | 2007-11-12 | 2009-05-20 | 中国长城计算机深圳股份有限公司 | Method and system for implementing memory multiuser management |
| CN102033930A (en) * | 2010-12-17 | 2011-04-27 | 北京世纪互联工程技术服务有限公司 | Distributed memory database system |
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| US9485134B2 (en) * | 2009-12-10 | 2016-11-01 | International Business Machines Corporation | Managing configurations of system management agents in a distributed environment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155715B1 (en) * | 1999-03-31 | 2006-12-26 | British Telecommunications Public Limited Company | Distributed software system visualization |
| CN101436162A (en) * | 2007-11-12 | 2009-05-20 | 中国长城计算机深圳股份有限公司 | Method and system for implementing memory multiuser management |
| CN102033930A (en) * | 2010-12-17 | 2011-04-27 | 北京世纪互联工程技术服务有限公司 | Distributed memory database system |
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