CN104834225A - Simulation data transmission synchronization control method - Google Patents
Simulation data transmission synchronization control method Download PDFInfo
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- CN104834225A CN104834225A CN201410704871.1A CN201410704871A CN104834225A CN 104834225 A CN104834225 A CN 104834225A CN 201410704871 A CN201410704871 A CN 201410704871A CN 104834225 A CN104834225 A CN 104834225A
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Abstract
The invention discloses a simulation data transmission synchronization control method. A system structure comprises a simulation control host, a real-time network control system, a simulation node control computer, and a synchronization control module. The simulation control host, the real-time network control system, and the simulation node control computer are serially connected together by optical fibers. The synchronization control module is nested in the simulation node control software, and the data interaction between the nodes can be carried out by the real-time network control system. The good universality is provided, and the participation in the aircraft ground semi-physical simulation test can be realized at any nodes. The method is simple, stable, and reliable, and by adopting the software modularization design, the transportability is strong; the simulation data transmission synchronization performance can be improved, and the reliability of the system closed-loop test results can be improved.
Description
Technical field
The present invention relates to a kind of method of data transmission synchronization, the control method that especially a kind of transmitting emulation data is synchronous.
Background technology
In semi-matter simulating system, the net synchronization capability of data transmission directly has influence on precision and the credibility of system closed test result.If data can not normal synchronized transmission between the node being distributed in diverse location in analogue system, Simulation Control main frame or other node control computing machine can not obtain the latest data in current emulation cycle, when test figure changes greatly, system will be caused to disperse, closed loop failure.
Prior art can not meet the needs of people, and for making up prior art deficiency, the present invention aims to provide the synchronous control method of a kind of transmitting emulation data.
For achieving the above object, the present invention by the following technical solutions: the control method that a kind of transmitting emulation data is synchronous, system architecture comprises Simulation Control main frame, real-time network control system, simulation node computer for controlling and synchronization control module; Described Simulation Control main frame, real-time network control system and simulation node computer for controlling are connected in series by optical fiber; Described synchronization control module is embedded in all simulation node control software design, and the data interaction between all nodes is all undertaken by real-time network control system.
As further technical scheme of the present invention; Simulation Control main frame is the core of semi-matter simulating system, it is controlled by the node of real-time network control system to other distribution in system, output signal to simulation node computer for controlling in strict accordance with emulation cycle, and the feedback signal of actual for simulation node computer for controlling output can be returned to Simulation Control main frame in real time.
Real-time network control system
Real-time network control system is the nerve of analogue system, is coupled together organic for all nodes being distributed in diverse location by it.It is connected by Star Network with Simulation Control main frame and simulation node computer for controlling, and the communication media of whole network is optical fiber.
Simulation node computer for controlling
Simulation node computer for controlling comprises the computer for controlling of computer for controlling that material object participates and physical object simulating, and main and Simulation Control main frame completes the closed test of whole semi-matter simulating system jointly.Simulation node computer for controlling shares data via network control system and the signal sended over by the real-time network communication module reception Simulation Control main frame of self, and drives testing equipment by emulation interface definition or complete physical object simulating software control.
Transmitting synchronous control module
Transmitting synchronous control module is the important component part realizing each node data transmitting synchronous of analogue system, and this Module-embedding is in all simulation node control software design.
Compared with prior art, the invention has the beneficial effects as follows: the control method that this transmitting emulation data is synchronous, it has good versatility, can add in aircraft ground Hardware-in-loop Simulation Experimentation in arbitrary node; Secondly, method uses simple, reliable and stable, and software modularity designs, portable strong; Transmitting emulation data synchronism improves, and system closed test credible result degree is strengthened.
Summary of the invention
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, the control method that a kind of transmitting emulation data is synchronous, system architecture comprises Simulation Control main frame 1, real-time network control system 2, simulation node computer for controlling 3 and synchronization control module 4; Described Simulation Control main frame 1, real-time network control system 2 and simulation node computer for controlling 3 are connected in series by optical fiber; Described synchronization control module 4 is embedded in all simulation node control software design, and the data interaction between all nodes is all undertaken by real-time network control system 2.
Suppose that Simulation Control main frame 1 and arbitrary simulation node computer for controlling 3 carry out data transmission by real-time network control system 2, and Simulation Control main frame 1 is the node of write data, and node control computing machine 3 is the node reading data.Simulation Control main frame 1 is read zone bit judged whether that other node is just at read data by being called in transmitting synchronous control module 4, until without any after node read data, Simulation Control main frame 1 calls transmitting synchronous control module 4 and is set up and writes zone bit, and start to write data, after about 4.5us, data write the same area of node control computing machine 3 simultaneously, and now Simulation Control main frame 1 is after writing data, removes and writes mark.When node control computing machine 3 read data write be masked as 1 time, continue to wait for, be masked as 0 until write, represent Simulation Control main frame 1 and write data, and after data have been transferred to the same area of node control computing machine 3, node control computing machine 3 just starts the data reading this region.In like manner, if Simulation Control main frame 1 is the node of read data, the performing step that the node of data write by node control computing machine 3 is the same.Data transmission all in system all ensures the synchronous transmission of data in emulation according to strict data interpretation zone bit.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solution of the present invention.
Claims (1)
1. the control method that transmitting emulation data is synchronous, system architecture comprises Simulation Control main frame (1), real-time network control system (2), simulation node computer for controlling (3) and synchronization control module (4); It is characterized in that: described Simulation Control main frame (1), real-time network control system (2) and simulation node computer for controlling (3) are connected in series by optical fiber; Described synchronization control module (4) is embedded in all simulation node control software design, and the data interaction between all Simulation Control main frames (1) and simulation node computer for controlling (3) node is all passed through real-time network control system (2) and carried out; Real-time network control system (2) is the nerve of analogue system, coupled together organic for all nodes being distributed in diverse location by it, it is connected by Star Network with Simulation Control main frame (1) and simulation node computer for controlling (3), and the communication media of whole network is optical fiber; Simulation node computer for controlling (3) comprises the computer for controlling of computer for controlling that material object participates and physical object simulating, main and Simulation Control main frame (1) completes the closed test of whole semi-matter simulating system jointly, simulation node computer for controlling (3) shares data via real-time network control system (2) and the signal sended over by real-time network communication module reception Simulation Control main frame (3) of self, and drives testing equipment by emulation interface definition or complete physical object simulating software control; Synchronization control module (4) is the important component part realizing each node data transmitting synchronous of analogue system, and this Module-embedding is in all simulation node control software design.
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| CN201410704871.1A CN104834225A (en) | 2014-12-01 | 2014-12-01 | Simulation data transmission synchronization control method |
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| CN201410704871.1A CN104834225A (en) | 2014-12-01 | 2014-12-01 | Simulation data transmission synchronization control method |
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Cited By (3)
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| CN106681179A (en) * | 2015-11-10 | 2017-05-17 | 北京精微智能科技有限公司 | Real-time synchronization data acquisition device |
| CN107703774A (en) * | 2017-09-12 | 2018-02-16 | 江西洪都航空工业集团有限责任公司 | A kind of air weapon moving base Transfer Alignment emulation mode |
| CN108919671A (en) * | 2018-06-29 | 2018-11-30 | 西安现代控制技术研究所 | One kind is for realizing more simulation equipment real-time synchronized control methods |
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| CN106681179A (en) * | 2015-11-10 | 2017-05-17 | 北京精微智能科技有限公司 | Real-time synchronization data acquisition device |
| CN107703774A (en) * | 2017-09-12 | 2018-02-16 | 江西洪都航空工业集团有限责任公司 | A kind of air weapon moving base Transfer Alignment emulation mode |
| CN108919671A (en) * | 2018-06-29 | 2018-11-30 | 西安现代控制技术研究所 | One kind is for realizing more simulation equipment real-time synchronized control methods |
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