CN101834876A - Distributed semi-physics simulation system based on Bluetooth, database and UDP protocol and data summarization and distribution method thereof - Google Patents
Distributed semi-physics simulation system based on Bluetooth, database and UDP protocol and data summarization and distribution method thereof Download PDFInfo
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Abstract
The invention discloses a distributed semi-physics simulation system based on a Bluetooth, a database and a UDP protocol and a data summarization and distribution method thereof, relating to the distributed semi-physics simulation field and solving the problems of complicated data link and poor reliability between a simulated member and a terminal when a plurality of data display and processing terminals exist, and large workload caused by that new data links are required to be added when new data display and processing terminals or new simulated members are added in the traditional distributed semi-physics simulation system. The simulation system comprises a Bluetooth serial port unit, a cache unit, a database unit, a UDP operation unit, a plurality of simulated members and a plurality of data display and processing terminals. The method is as follows: after initialization setting, receiving data by the Bluetooth serial port unit and storing the data in the cache unit, sending the data to the database unit when the data form a frame, and broadcasting the data into a local area network (LAN) by the UDP operation unit. The invention can be applicable to the distributed semi-physics simulation field.
Description
Technical field
The present invention relates to distributed semi physical simulation field, relate to the method that the data of a kind of distributed semi-physical system and this system gather and distribute.
Background technology
The distributed semi physical simulation is a kind of emulation mode that distributed emulation and semi-physical simulation combine, the critical component of simulated members adopts real physical device and other parts employing Mathematical Modelings, therefore can to complication system for example satellite formation flying etc. carry out the simulation analysis of more approaching reality, in simulation process, need the mass data of physical device and Mathematical Modeling generation is analyzed, handled and shows, may need the data of repeatedly emulation are compared analysis.
In traditional distributed semi-physical system, when emulation, usually the data that simulated members is produced directly send to data demonstration and processing terminal, when having a plurality of data demonstrations and processing terminal, simulated members links very complicated with data between the terminal, thereby reliability reduces, when needs increase new data demonstration and processing terminal or new simulated members, need to increase new data link, thus each member who needs to revise distributing emulation system, and workload is big, when data need be stored, a plurality of terminals are stored data separately respectively, cause storage to be disperseed, and are unfavorable for the analysis and the processing in later stage.
Summary of the invention
The objective of the invention is to solve in traditional distributed semi physical simulation system and method, when having a plurality of data demonstrations and processing terminal, simulated members links the problem complicated, that reliability is low with data between the terminal, and when increasing new data demonstration and processing terminal or new simulated members, cause the big problem of workload because of needs increase new data link, a kind of method that gathers and distribute based on the distributed semi-physical system and the data thereof of bluetooth, database and udp protocol is provided.
Distributed semi-physical system based on bluetooth, database and udp protocol, it is made up of simulated members module, data memory module and terminal module, described simulated members module comprises a plurality of simulated members, and described terminal module comprises that a plurality of data show and processing terminal;
One first bluetooth serial ports is installed on each simulated members, data memory module is equipped with a plurality of second bluetooth serial ports, the quantity of second bluetooth serial ports is identical with the quantity of simulated members, and each first bluetooth serial ports respectively with a simulated members on second bluetooth serial ports be complementary; Data memory module and a plurality of data show and processing terminal is formed local area network (LAN) by udp protocol;
Each simulated members is used to realize emulation and emulated data is sent to second bluetooth serial ports that is complementary with this first bluetooth serial ports by first bluetooth serial ports;
Described data memory module is used to receive and preserve the emulated data that receives by a plurality of second bluetooth serial ports, and the emulated data of preserving is broadcast in the local area network (LAN) by udp protocol;
Each data shows and processing terminal, is used for receiving and showing this emulated data of confessing local area network (LAN).
The method that the data of above-mentioned distributed semi-physical system based on bluetooth, database and udp protocol gather and distribute, its process is as follows:
The emulated data that step 3, buffer unit will have been preserved is sent in the Database Unit, and Database Unit is preserved the emulated data that receives, and by the UDP operating unit emulated data of being preserved is broadcast in the local area network (LAN) simultaneously; Each data in the local area network (LAN) show and processing terminal, the emulated data of preserving in the data download library unit as required.
The method that distributed semi-physical system of the present invention and data thereof gather and distribute, application is simple, reliability is high, and data link is clear simple, when needs increase new data demonstration and processing terminal or new simulated members, only need insert new simulated members, can finish the renewal of data link with the new terminal access to LAN or with bluetooth serial ports.
Description of drawings
Fig. 1 is the structural representation of the distributed semi-physical system of execution mode one; Fig. 2 is the structural representation of the distributed semi-physical system of execution mode two; Fig. 3 is the structural representation of the distributed semi-physical system of execution mode three; Interface when Fig. 4 is distributed semi-physical system operation of the present invention; Fig. 5 is the flow chart of execution mode four.
Embodiment
Embodiment one: in conjunction with Fig. 1 present embodiment is described, the distributed semi-physical system based on bluetooth, database and udp protocol of present embodiment, it is made up of simulated members module 1, data memory module 2 and terminal module 3, described simulated members module 1 comprises a plurality of simulated members 1-1, and described terminal module 3 comprises that a plurality of data show and processing terminal 3-1;
One first bluetooth serial ports is installed on each simulated members 1-1, data memory module 2 is equipped with a plurality of second bluetooth serial ports, the quantity of second bluetooth serial ports is identical with the quantity of simulated members 1-1, and each first bluetooth serial ports respectively with a simulated members 1-1 on second bluetooth serial ports be complementary; Data memory module 2 and a plurality of data show and processing terminal 3-1 forms local area network (LAN) by udp protocol;
Each simulated members 1-1 is used to realize emulation and emulated data is sent to second bluetooth serial ports that is complementary with this first bluetooth serial ports by first bluetooth serial ports;
Described data memory module 2 is used to receive and preserve the emulated data that receives by a plurality of second bluetooth serial ports, and the emulated data of preserving is broadcast in the local area network (LAN) by udp protocol;
Each data shows and processing terminal 3-1, is used for receiving and showing this emulated data of confessing local area network (LAN).
Embodiment two:Different with execution mode one is that in the distributed semi-physical system based on bluetooth, database and udp protocol of present embodiment, first bluetooth serial ports that every pair is complementary and the distance between second bluetooth serial ports are less than or equal to 10 meters.
Embodiment three:In conjunction with Fig. 2 present embodiment is described, different with execution mode one or two is, in the distributed semi-physical system based on bluetooth, database and udp protocol of present embodiment, described data memory module 2 also comprises bluetooth serial ports unit 2-1, buffer unit 2-2, Database Unit 2-3 and UDP operating unit 2-4;
Described bluetooth serial ports unit 2-1, be used for that string slogan, baud rate, data bit, position of rest and check digit to a plurality of second bluetooth serial ports is provided with and the opening and closing of serial ports, be used to receive emulated data, and the emulated data that receives is sent to buffer unit 2-2 from each simulated members 1-1;
Described buffer unit 2-2 is used for the emulated data that buffer-stored bluetooth serial ports unit 2-1 sends, and when the storage data volume reaches a frame, these frame data is sent to Database Unit 2-3, removes all emulated datas then;
Described Database Unit 2-3 is used to receive and preserve the emulated data that buffer unit 2-2 sends, and the emulated data of preserving is broadcast to local area network (LAN) by UDP operating unit 2-4, is used for the emulated data of preserving is carried out playback and emptied;
Described UDP operating unit 2-4, be used to carry out the opening and closing of setting of UDP serve port and UDP service, the IP and the title that are used for display server, the emulated data that also is used for preserving is broadcast to local area network (LAN) by udp protocol, receives this emulated data for a plurality of data demonstrations and processing terminal 3-1 in the local area network (LAN) then.
Embodiment four: in conjunction with Fig. 3 present embodiment is described, different with execution mode three is, in the distributed semi-physical system based on bluetooth, database and udp protocol of present embodiment, described data memory module 2 also comprises emulated data display unit 2-5 and system mode display unit 2-6;
Described bluetooth serial ports unit 2-1 also is used for statistics and obtains the serial communication amount, and the serial communication amount that obtains is sent to system mode display unit 2-6;
Described Database Unit 2-3, the emulated data that also is used for preserving is sent to emulated data display unit 2-5;
Described UDP operating unit 2-4 also is used for statistics and obtains the UDP traffic, and the UDP traffic that obtains is sent to system mode display unit 2-6;
Described emulated data display unit 2-5 is used to show the emulated data that receives;
Described system mode display unit 2-6 is used for the running status and the running time of display system, also is used to show the serial communication amount and the UDP traffic that receive.
In actual applications, the SQLServer2000 of Microsoft at first is installed on the computer of runtime database, and the database service of startup SQLServer, then according to the quantity of simulated members, be ready to finish the StollmanBlueRS+E bluetooth serial ports of the equal number of pairing, the bluetooth serial ports of pairing is installed on respectively on the computer of the serial ports of simulated members and runtime database, then, computer access to LAN with runtime database, at last, demonstration of the data of distributed semi-physical system and processing terminal computer are inserted this local area network (LAN), and terminal computer utilizes udp protocol to receive the emulated data that is broadcast to local area network (LAN) by database.
Be subjected to the Bluetooth communication distance limit, distance between the bluetooth serial ports of the bluetooth serial ports unit 2-1 of data memory module 2 and corresponding each simulated members 1-1 is no more than 10 meters, bluetooth serial ports unit 2-1 receives the emulated data that each simulated members 1-1 sends by bluetooth serial ports, then emulated data is passed to Database Unit 2-3, Database Unit 2-3 sends the data to emulated data display unit 2-5, emulated data display unit 2-5 is presented at program interface with emulated data, Database Unit 2-3 is kept at emulated data in the SQLServer database, be used for the later data analysis, handle and playback, UDP operating unit 2-4 is broadcast to local area network (LAN) with emulated data by udp protocol, by each data demonstration and the processing terminal 3-1 use of distributed semi-physical system.
Referring to Fig. 3, this system comprises a plurality of simulated members and a plurality of data show and processing terminal, each simulated members links to each other with the computer at data memory module 2 places by a pair of bluetooth serial ports of pairing in advance respectively, and a plurality of data demonstrations in the computer at data memory module 2 places and the analogue system and processing terminal computer bit are in same local area network (LAN).
Of the present invention based on bluetooth, the distributed semi-physical system of database and udp protocol, all distributed semi physical simulation members' data are gathered, be broadcast in the local area network (LAN) by udp protocol then, data link is clear simple, when needs increase new data demonstration and processing terminal or new simulated members, only need insert new simulated members with the new terminal access to LAN or with bluetooth serial ports, can finish the renewal of data link, distributed semi-physical system of the present invention in the SQLServer database server, can be carried out the data analysis and the processing in later stage with all emulated data centralized stores by the power that SQLServer provides easily.During emulated data before needs show again and handle, the present invention can will be stored among the SQLServer before the emulated data playback and do not need to carry out again emulation, time saving and energy saving.
Distributed semi physical simulation system and method among the present invention, application is simple, reliability is high, and can be applied to simulated members easily and have serial ports and apart be no more than in 10 meters the distributed semi-physical system, can simplify effectively that simulated members and data show and the data link of processing terminal with Database Unit place computer.
At present, utilize the distributed semi-physical system of bluetooth serial ports, database and udp protocol not appear in the newspapers as yet.
Embodiment five: in conjunction with Fig. 5 present embodiment is described, present embodiment is the method that the data of the described distributed semi-physical system based on bluetooth, database and udp protocol of execution mode one gather and distribute, and its process is as follows:
The emulated data that step 3, buffer unit 2-2 will preserve is sent among the Database Unit 2-3, and Database Unit 2-3 preserves the emulated data that receives, and by UDP operating unit 2-4 the emulated data of being preserved is broadcast in the local area network (LAN) simultaneously; Each data in the local area network (LAN) show and processing terminal 3-1, the emulated data of preserving among the data download library unit 2-3 as required.
Present embodiment utilizes the wireless blue tooth serial ports that data memory module 2 is connected with each member of distributed semi-physical system, receive in real time and show the critical data that each member produces in simulation process, by udp protocol data broadcasting is arrived the local area network (LAN) at data memory module 2 places then, obtain and use by other computers in the local area network (LAN), after the present invention receives emulated data, real-time emulated data is saved in the database of DLL (dynamic link library) by the SQLServer of Microsoft provides is used for follow-up data analysis and playback.
Embodiment six: present embodiment is further specifying of the method that gathers and distribute of the data based on the distributed semi-physical system of bluetooth, database and udp protocol to execution mode five, and the detailed process that the distributed semi-physical system based on bluetooth, database and udp protocol described in the step 1 is carried out the initialization setting is:
Bluetooth serial ports unit 2-1 carries out the initialization setting, specifically comprises the setting to following serial ports parameter: string slogan, baud rate, data bit, position of rest and check digit;
Buffer unit 2-2 carries out the initialization setting;
Database Unit 2-3 carries out the initialization setting;
UDP operating unit 2-4 carries out the initialization setting.
Claims (6)
1. based on the distributed semi-physical system of bluetooth, database and udp protocol, it is characterized in that it is made up of simulated members module (1), data memory module (2) and terminal module (3), described simulated members module (1) comprises a plurality of simulated members (1-1), and described terminal module (3) comprises that a plurality of data show and processing terminal (3-1);
One first bluetooth serial ports is installed on each simulated members (1-1), data memory module (2) is equipped with a plurality of second bluetooth serial ports, the quantity of second bluetooth serial ports is identical with the quantity of simulated members (1-1), and each first bluetooth serial ports respectively with a simulated members (1-1) on second bluetooth serial ports be complementary; Data memory module (2) and a plurality of data show and processing terminal (3-1) is formed local area network (LAN) by udp protocol;
Each simulated members (1-1) is used to realize emulation and emulated data is sent to second bluetooth serial ports that is complementary with this first bluetooth serial ports by first bluetooth serial ports;
Described data memory module (2) is used to receive and preserve the emulated data that receives by a plurality of second bluetooth serial ports, and the emulated data of preserving is broadcast in the local area network (LAN) by udp protocol;
Each data shows and processing terminal (3-1), is used for receiving and showing this emulated data of confessing local area network (LAN).
2. the distributed semi-physical system based on bluetooth, database and udp protocol according to claim 1 is characterized in that every pair of first bluetooth serial ports that is complementary and the distance between second bluetooth serial ports are less than or equal to 10 meters.
3. the distributed semi-physical system based on bluetooth, database and udp protocol according to claim 1 is characterized in that described data memory module (2) also comprises bluetooth serial ports unit (2-1), buffer unit (2-2), Database Unit (2-3) and UDP operating unit (2-4);
Described bluetooth serial ports unit (2-1), be used for that string slogan, baud rate, data bit, position of rest and check digit to a plurality of second bluetooth serial ports is provided with and the opening and closing of serial ports, be used for receiving emulated data, and the emulated data that receives is sent to buffer unit (2-2) from each simulated members (1-1);
Described buffer unit (2-2) is used for the emulated data that buffer-stored bluetooth serial ports unit (2-1) sends, and when the storage data volume reaches a frame, these frame data is sent to Database Unit (2-3), removes all emulated datas then;
Described Database Unit (2-3) is used for receiving and preserving the emulated data that buffer unit (2-2) is sent, and the emulated data of preserving is broadcast to local area network (LAN) by UDP operating unit (2-4);
Described UDP operating unit (2-4), be used to carry out the opening and closing of setting of UDP serve port and UDP service, the IP and the title that are used for display server, the emulated data that also is used for preserving is broadcast to local area network (LAN) by udp protocol, receives this emulated data for a plurality of data demonstrations and processing terminal (3-1) in the local area network (LAN) then.
4. the distributed semi-physical system based on bluetooth, database and udp protocol according to claim 3 is characterized in that described data memory module (2) also comprises emulated data display unit (2-5) and system mode display unit (2-6);
Described bluetooth serial ports unit (2-1) also is used for statistics and obtains the serial communication amount, and the serial communication amount that obtains is sent to system mode display unit (2-6);
Described Database Unit (2-3), the emulated data that also is used for preserving is sent to emulated data display unit (2-5);
Described UDP operating unit (2-4) also is used for statistics and obtains the UDP traffic, and the UDP traffic that obtains is sent to system mode display unit (2-6);
Described emulated data display unit (2-5) is used to show the emulated data that receives;
Described system mode display unit (2-6) is used for the running status and the running time of display system, also is used to show the serial communication amount and the UDP traffic that receive.
5. the method that the data of the distributed semi-physical system based on bluetooth, database and udp protocol as claimed in claim 1 gather and distribute is characterized in that its process is as follows:
Step 1, carry out the initialization setting based on the distributed semi-physical system of bluetooth, database and udp protocol, after initialization is finished, execution in step two;
Step 2, when the emulated data of simulated members (1-1) is sent to bluetooth serial ports unit (2-1), this emulated data of bluetooth serial ports unit (2-1) beginning serial received, and this emulated data is saved in the buffer unit (2-2), when the emulated data in described buffer unit (2-2) constitutes a frame, execution in step three;
The emulated data that step 3, buffer unit (2-2) will have been preserved is sent in the Database Unit (2-3), Database Unit (2-3) is preserved the emulated data that receives, and by UDP operating unit (2-4) emulated data of being preserved is broadcast in the local area network (LAN) simultaneously; Each data demonstration and processing terminal (3-1), the emulated data of preserving in the data download library unit (2-3) as required in the local area network (LAN).
6. the method that the data of the distributed semi-physical system based on bluetooth, database and udp protocol according to claim 5 gather and distribute is characterized in that the distributed semi-physical system based on bluetooth, database and udp protocol described in the step 1 carries out the detailed process of initialization setting and be:
Bluetooth serial ports unit (2-1) carries out the initialization setting, specifically comprises the setting to following serial ports parameter: string slogan, baud rate, data bit, position of rest and check digit;
Buffer unit (2-2) carries out the initialization setting;
Database Unit (2-3) carries out the initialization setting;
UDP operating unit (2-4) carries out the initialization setting.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101937195A (en) * | 2010-09-29 | 2011-01-05 | 哈尔滨工业大学 | Spacecraft attitude control semi-physical simulation system |
| CN106301478A (en) * | 2015-06-26 | 2017-01-04 | 博通集成电路（上海）有限公司 | Data transmission method and broadcast transmitting apparatus thereof |
| CN109213005A (en) * | 2018-11-21 | 2019-01-15 | 成都四方伟业软件股份有限公司 | A kind of simulation control method and device |
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