CN103245508A - Synchronous and dynamic early warning method and early warning system in multiple-engine test - Google Patents
Synchronous and dynamic early warning method and early warning system in multiple-engine test Download PDFInfo
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- CN103245508A CN103245508A CN2013101262327A CN201310126232A CN103245508A CN 103245508 A CN103245508 A CN 103245508A CN 2013101262327 A CN2013101262327 A CN 2013101262327A CN 201310126232 A CN201310126232 A CN 201310126232A CN 103245508 A CN103245508 A CN 103245508A
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Abstract
The invention relates to a synchronous and dynamic early warning method and an early warning system used in a multiple-engine test. The early warning method includes the steps as follows: firstly, a simulation system which comprises a model layer, a databank layer and an application layer is established; secondly, a main control computer sends a synchronous starting instruction to the application layer of the simulation system through parallel ports, and the application layer calls data of the databank layer and controls the action of the model layer; and thirdly, the application layer receives real-time working parameters, acquired by a data acquisition system, of a takeoff power system through a local network in real time and compares the real-time working parameters with design parameters of the takeoff power system, and the result whether the parameters of the engines are qualified is obtained. According to the early warning method and the early warning system, the technical problems that relevant information of the engines cannot be rapidly acquired in real time with a conventional early warning method achieved through a monitoring camera are solved, the accuracy of control time sequences is guaranteed through high-accuracy timing, and the time sequences during simulation and actual working of the engines are consistent.
Description
Technical field
The invention belongs to the engine test field, relate in particular in the engine overall test, can reflect in real time that each thrust chamber duty of engine power system and a cover emulation of test parameters show early warning system.
Background technology
Branch is led power system and is made up of many thrust chambers, finish pitching in the missile flight process, driftage, rolling respectively, anti-attitude control function such as push away, just pushing away, the testing ground is provided with multi-angle, omnibearing video monitoring camera lens for this reason, but the video monitoring camera lens is subjected to the influence of factors such as weather, light, thrust chamber flame bigger.Simultaneously, the test run commander can't watch all videos monitoring image and data to show image simultaneously, therefore, can not obtain the relevant information of a certain moment engine operation in the heat run process fast, in real time; Particularly when abnormal conditions occurring, accurate, the timely location difficulty of trouble spot influences the enforcement of urgent prediction scheme.
Summary of the invention
The technical matters of engine relevant information be can't obtain fast, in real time in order to solve existing method by video monitoring camera lens realization early warning, a kind of multimachine test synchronous dynamic early warning system and method for early warning the invention provides.
To achieve these goals, the present invention has adopted following technical solution:
Multimachine test synchronous dynamic method for early warning, its special character is, may further comprise the steps:
1] set up analogue system, described analogue system comprises model layer, database layer and application layer;
Described model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model;
Described database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of described model is the control sequential of each engine;
The action of the data control model layer of described application layer by calling database layer;
2] main control computer sends synchronous enabled instruction for the application layer of analogue system by parallel port, the action of the data control model layer of application layer by calling database layer;
Whether 3] application layer receives branch that data acquisition system (DAS) collects in real time by LAN (Local Area Network) and leads real-time working parameter in the power system, and qualified with the compare parameter that obtains engine of the design parameter that branch is led power system.
Above-mentioned steps 2] specifically comprise the steps:
After application layer received the synchronizing signal that the engine master control system sends, executive routine carried out the control of timed events by the timing circulation of setting up;
Described step 3] specifically comprise the steps:
At interval with data output, the emulation of control engine operation shows, and by the thrust chamber constant pressure data that receive are done overproof judgement, the overproof criterion of thrust chamber constant pressure and setting compares during according to test routine real-time judge engine operation to schedule.
Also wrap step 4] show in real time: the application layer of analogue system shows comparison result in real time by display system.
Also comprise the multimedia clock in the above-mentioned application layer, described multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
Model layer adopts Solid Edge software that entity is carried out modeling, by Photoshop software solid model is carried out picture editting's processing.
Multimachine test synchronous dynamic early warning system comprises main control computer, analogue system and data acquisition system (DAS), and described analogue system comprises model layer, database layer and application layer; Described model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model; Described database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of described model is the control sequential of each engine; The action of the data control model layer of described application layer by calling database layer;
Described main control computer is used for sending synchronous enabled instruction for the application layer of analogue system by parallel port,
Described data acquisition system (DAS) is used for gathering the real-time working parameter that branch is led power system.
Also comprise display system, described display system is used for the logical demonstration in real time of comparison result with application layer.
Above-mentioned application layer also comprises the multimedia clock, and described multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
The advantage that the present invention has:
1, guarantee that by high precision timing the control sequential is accurate, analog simulation is consistent with the real engine work schedule.
2, adopt data transmission network and multithreading road technique to guarantee that data acquisition transmits the synchronous operation that receives demonstration.
3, the present invention realizes dividing and leads power system heat run process dynamic simulation by the analogue system application result is analyzed.
4, the present invention is by the work of data acquisition system (DAS), for analogue system provides actual parameters such as dividing the gas cylinder pressure of leading power system, each thrust chamber pressure, by realizing overproof judgement and early warning with the design parameter comparison.
5, early warning system of the present invention is that the test run commander understands engine behavior in real time and abnormal occurrence in time, accurately located and adopt an effective measure and provides support, and improves and divides the integration capability of leading the power system overall test.
Description of drawings
Fig. 1 is the structural drawing of multimachine test synchronous dynamic early warning system of the present invention.
Embodiment
Multimachine test synchronous dynamic method for early warning may further comprise the steps:
1] set up analogue system, described analogue system comprises model layer, database layer and application layer;
Model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model;
Database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of model is the control sequential of each engine; The action of the data control model layer of application layer by calling database layer; Also comprise the multimedia clock in the application layer, the multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
2] main control computer sends synchronous enabled instruction for the application layer of analogue system by parallel port, the action of the data control model layer of application layer by calling database layer;
Whether 3] application layer receives branch that data acquisition system (DAS) collects in real time by LAN (Local Area Network) and leads real-time working parameter in the power system, and qualified with the compare parameter that obtains engine of the design parameter that branch is led power system.
4] show in real time: the application layer of analogue system shows comparison result in real time by display system.
Model layer adopts Solid Edge software that entity is carried out modeling, by Photoshop software solid model is carried out picture editting's processing.
1 couple of the present invention further specifies below in conjunction with accompanying drawing: multimachine test synchronous dynamic early warning system, comprise main control computer, analogue system, data acquisition system (DAS) and display system, and analogue system comprises model layer, database layer and application layer; Model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model, guarantees a height degree of model layer and real system; Database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of model is the control sequential of each engine; The action of the data control model layer of application layer by calling database layer; Application layer also comprises the multimedia clock, and described multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
Main control computer is used for sending synchronous enabled instruction for the application layer of analogue system by parallel port, and data acquisition system (DAS) is used for collection and divides the real-time working parameter of leading power system, and described display system is used for the logical demonstration in real time of comparison result with application layer.
Analogue system starts during engine test, the data file of depositing the control sequential is read into memory variable, show the test figure that data acquisition system (DAS) transmits by network simultaneously, wait to receive the synchronizing signal that the engine master control system is sent, executive routine carries out the control of timed events by the timing circulation of setting up.At interval with data output, the emulation of control engine operation shows, and by the thrust chamber constant pressure data that receive are done overproof judgement, the overproof criterion of thrust chamber constant pressure and setting compares during according to test routine real-time judge engine operation to schedule.Be that the test run commander understands engine behavior in real time and abnormal occurrence in time, accurately located and adopt an effective measure and provides support by display system.
Claims (8)
1. multimachine test synchronous dynamic method for early warning is characterized in that, may further comprise the steps:
1] set up analogue system, described analogue system comprises model layer, database layer and application layer;
Described model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model;
Described database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of described model is the control sequential of each engine;
The action of the data control model layer of described application layer by calling database layer;
2] main control computer sends synchronous enabled instruction for the application layer of analogue system by parallel port, the action of the data control model layer of application layer by calling database layer;
Whether 3] application layer receives branch that data acquisition system (DAS) collects in real time by LAN (Local Area Network) and leads real-time working parameter in the power system, and qualified with the compare parameter that obtains engine of the design parameter that branch is led power system.
2. multimachine according to claim 1 is tested the synchronous dynamic method for early warning, it is characterized in that:
Described step 2] specifically comprise the steps:
After application layer received the synchronizing signal that the engine master control system sends, executive routine carried out the control of timed events by the timing circulation of setting up;
Described step 3] specifically comprise the steps:
At interval with data output, the emulation of control engine operation shows, and by the thrust chamber constant pressure data that receive are done overproof judgement, the overproof criterion of thrust chamber constant pressure and setting compares during according to test routine real-time judge engine operation to schedule.
3. multimachine test synchronous dynamic method for early warning according to claim 1 and 2 is characterized in that, also wraps step 4] show in real time: the application layer of analogue system shows comparison result in real time by display system.
4. multimachine test synchronous dynamic method for early warning according to claim 3 is characterized in that, also comprise the multimedia clock in the described application layer, described multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
5. multimachine test synchronous dynamic method for early warning according to claim 4 is characterized in that model layer adopts Solid Edge software that entity is carried out modeling, by Photoshop software solid model is carried out picture editting's processing.
6. multimachine is tested the synchronous dynamic early warning system, and it is characterized in that: comprise main control computer, analogue system and data acquisition system (DAS), described analogue system comprises model layer, database layer and application layer; Described model layer comprises that leading power system at branch carries out the branch that modeling obtains and lead the power system model; Described database layer comprises that branch leads the design parameter of power system and the action sequence of model, and the action sequence of described model is the control sequential of each engine; The action of the data control model layer of described application layer by calling database layer;
Described main control computer is used for sending synchronous enabled instruction for the application layer of analogue system by parallel port,
Described data acquisition system (DAS) is used for gathering the real-time working parameter that branch is led power system.
7. multimachine according to claim 6 is tested the synchronous dynamic early warning system, it is characterized in that: also comprise display system, described display system is used for the logical demonstration in real time of comparison result with application layer.
8. according to claim 6 or 7 described multimachine test synchronous dynamic early warning systems, it is characterized in that: described application layer also comprises the multimedia clock, and described multimedia clock is used for guaranteeing that the action sequence of model is accurate, and consistent with the control sequential of engine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103792087A (en) * | 2014-01-24 | 2014-05-14 | 西安航天动力试验技术研究所 | Parallel trial run fault monitoring and diagnosing method |
| CN105334753A (en) * | 2015-12-02 | 2016-02-17 | 上海航空电器有限公司 | Ground proximity warning visual simulation verification platform system and method |
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