Avionics integration trade-off analysis method oriented to system business and transmission system thereof

Abstract

The invention belongs to the technical field of avionics integration, and particularly relates to an avionics integration trade-off analysis method oriented to system services and a transmission system thereof. Comprising the following steps: analyzing system service communication requirements and system service function requirements; according to the analysis result, constructing an integrated trade-off analysis model; and outputting an optimized avionics system service transmission system configuration and system service software configuration scheme by using the model. According to the invention, the problems of matching, integration and scheme optimization between different system business requirements of the aviation platform and an information transmission system thereof are solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of avionics integration, and particularly relates to an avionics integration trade-off analysis method for system services and transmission systems thereof. BACKGROUND

[0002] An aviation information system develops from a traditional single-platform-centered cooperative mode to a distributed multi-platform cooperative mode, and the information communication capability and service bearing capability of a traditional aviation platform cannot meet the development requirement of the distributed multi-platform cooperation. In view of the problems of high integration coupling degree and great integration difficulty of the traditional data link and the avionics system developed separately, the application provides an avionics integration trade-off analysis method for system services and transmission systems thereof.

[0003] The application mainly researches the integration of an aviation platform and a system service information transmission system, provides an avionics integration trade-off analysis method for system services and transmission systems thereof, solves the matching, integration and scheme optimization problems between different system service requirements of the aviation platform and the information transmission system thereof, and provides technical support for aviation platform system integration. SUMMARY

[0004] The application aims at the matching, integration and scheme optimization problems between different system service requirements of an existing aviation platform and the information transmission system thereof, provides an avionics integration trade-off analysis method for system services and transmission systems thereof, constructs an aviation platform integration trade-off optimization model, and provides technical support for aviation platform system integration.

[0005] To achieve the above object, the technical scheme adopted by the application is as follows: An avionics integration trade-off analysis method for system services and transmission systems thereof, comprising the following steps: Performing system service communication requirement and system service function requirement analysis; According to the above analysis result, constructing an integration trade-off analysis model; Using the above model to output an optimized avionics system system service transmission system configuration and system service software configuration scheme.

[0006] As a further technical scheme of the application, the system service communication requirement analysis is performed, and specifically: Determine the communication performance and cost information of the radio frequency wireless communication system that can be integrated by the target avionics system; Suppose that the radio frequency wireless communication system that can be integrated by the target avionics system has kinds, is the number of the radio frequency wireless communication system that can be integrated; is the maximum communication rate of the kind of radio frequency wireless communication system, For the first The maximum communication delay of a radio frequency wireless communication system For the first The maximum communication distance of this type of radio frequency wireless communication system For the first The cost of terminal equipment for a radio frequency wireless communication system.

[0007] As a further technical solution of the present invention: communication performance includes communication rate, communication bandwidth, communication latency, and communication distance.

[0008] As a further technical solution of the present invention: conducting a system business function requirements analysis, specifically: Determine the system communication requirements and system service function requirements of the target avionics system; Assume the target avionics system has m system functionalities. This is a number assigned to the system's business function requirements, and , For the first Communication rate requirements for system services For the first Communication latency requirements of the system services For the first Communication distance requirements for system services In the first Based on the first radio frequency wireless communication system, the second The software complexity of the system's business functions In the first Based on the first radio frequency wireless communication system, the second The software cost of the system's business functions.

[0009] As a further technical solution of the present invention: construct an integrated trade-off analysis model to perform integrated design trade-off optimization of system services and their transmission systems.

[0010] As a further technical solution of the present invention: constructing an integrated trade-off analysis model, specifically as follows: Conduct a trade-off analysis of the system information transmission system to meet the communication requirements of the avionics system's business capabilities; Solve the performance-cost optimal model; Solve the performance-cost optimal model; Solve the optimal performance-cost-software complexity model; The model is constructed based on the above solution results.

[0011] As a further technical solution of the present invention: a trade-off analysis is conducted on the system information transmission system to meet the communication requirements of the avionics system's operational capabilities, specifically as follows: The communication requirements of m system services to be implemented by the target avionics system are analyzed one by one with the communication performance of all the radio frequency wireless communication systems available for integration of the avionics system, and the performance trade-off analysis is performed. There are: If ; The first radio frequency wireless communication system meets the communication performance requirement of the i-th system service, and the set of all radio frequency wireless communication systems meeting the communication performance requirement of the i-th system service is represented as The total number of radio frequency wireless communication systems in the set is represented as .

[0012] As a further technical solution of the present application, the performance-cost optimization model is solved, specifically: The performance-cost optimization model is solved for the m system services to be implemented by the target avionics system, and for There are: ; The radio frequency wireless communication system configuration of the integrated mode meeting the performance-cost optimization of each system service i is calculated as ; The performance-cost optimization model is solved, specifically: The performance and service software complexity optimization model is solved for the m system services to be implemented by the target avionics system, and for There are: ; The radio frequency wireless communication system configuration of the integrated mode meeting the performance-software complexity optimization of each system service i is calculated as ; The performance-cost-software complexity optimization model is solved, specifically: The performance, cost, and service software complexity optimization model is solved for the m system services to be implemented by the target avionics system, and for There are: ; Wherein is the weight coefficient of the integrable radio frequency system, is the cost weight coefficient of the integrable radio frequency system, and ; The radio frequency wireless communication system configuration of the integrated mode meeting the performance-cost-software complexity optimization of each system service i is calculated as .

[0013] As a further technical solution of the present application: the optimized avionics system architecture service transmission system configuration and architecture service software configuration scheme output by the above model are utilized, and specifically: An architecture information transmission system integration scheme is generated, denoted as ; 1) a performance-cost optimal integration scheme; ; The performance and cost optimal integration scheme is The target avionics system needs to integrate the architecture service function number; 2) a performance-software complexity optimal integration scheme; ; The performance and software complexity optimal integration scheme is The target avionics system needs to integrate the architecture service function number; 3) a performance-cost-software complexity optimal integration scheme; ; The performance, cost and software complexity optimal integration scheme is The target avionics system needs to integrate the architecture service function number.

[0014] Compared with the prior art, the present application has the following beneficial effects: 1) The present application is aimed at the integration problem of avionics system and data link in the architecture integration process, and performs integration design from the aspects of architecture service demand, data link service capability, integration cost and software complexity, etc., proposes an avionics integration trade-off analysis method for architecture service and its transmission system, provides strong support for data link and aviation platform architecture integration research, and fills the gap in the existing research.

[0015] 2) In the architecture integration trade-off model construction, the task-oriented service demand and communication demand are directly managed, which can effectively support the task-driven architecture network construction research.

[0016] 3) The architecture integration trade-off model proposed by the present application also integrates the cost factor and software design complexity in the integration process, which can further improve the economic benefit of the aviation platform architecture set and the reliability of the integration. DETAILED DESCRIPTION

[0017] Figure 1 The present application is an integration design trade-off analysis method flowchart for architecture service and its transmission system.

[0018] Figure 2This is a flowchart illustrating the integrated design, trade-offs, and optimization processes for the system's services and transmission systems. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1 This invention discloses an avionics integration trade-off analysis method for system services and their transmission systems. It takes the communication requirements and functional requirements of system services as inputs, and takes the system service capabilities of avionics systems and the performance, cost, and software complexity of system information transmission systems as the optimization objectives of the integration trade-off analysis model, thereby forming an optimized system information transmission system integration scheme.

[0021] The main ideas behind this method include integrated design trade-off analysis and trade-off optimization, as detailed below: An integrated design trade-off analysis method for avionics systems oriented towards system services and their transmission systems is proposed. An integrated trade-off analysis model for information transmission systems and avionics systems oriented towards system service requirements is proposed. The system service communication requirements and system service functional requirements are taken as inputs. The optimization objectives of the integrated trade-off analysis model are the system service capabilities of the avionics system and the performance, cost, and software complexity of the system information transmission system. The optimized system information transmission system integration scheme is taken as the output of the integrated trade-off analysis model. The specific steps of the integrated design trade-off analysis method for system services and their transmission systems are as follows: (1) Input of system service transmission system information that can be integrated into the avionics system. The characteristic is to determine the communication performance (including communication rate, communication bandwidth, communication delay, communication distance), cost, and other information of the radio frequency wireless communication systems that can be integrated into the target avionics system; it is assumed that the target avionics system can integrate a total of radio frequency wireless communication systems. Species include Link16, TTNT, etc. This is the designation for an integrable radio frequency wireless communication system; For the first The maximum communication rate of this type of radio frequency wireless communication system For the first The maximum communication delay of a radio frequency wireless communication system For the first The maximum communication distance of this type of radio frequency wireless communication system For the first The cost of the terminal unit of a radio frequency wireless communication system; (2) System service demand input, characterized in that the system communication demand and system service function demand of the target avionics system are determined; assuming that the target avionics system has a number of system service functions m, is the number of system service function demand, and , is the communication rate requirement of the i-th system service, is the communication delay requirement of the i-th system service, is the communication distance requirement of the i-th system service, is the software complexity of implementing the i-th system service function based on the j-th radio frequency wireless communication system, is the software cost of implementing the i-th system service function based on the j-th radio frequency wireless communication system; (3) Integrated design trade-off optimization processing of system service and its transmission system, characterized in that the system service demand in step 2 of claim 2 and the system service transmission system information in step 3 of claim 2 are used as model inputs, and the integrated design optimization processing of the avionics integrated design of the system service and its transmission system is performed through the integrated trade-off model; (4) The integrated trade-off model outputs the optimized system information transmission system configuration and avionics system system service software configuration scheme.

[0022] Integrated design trade-off optimization processing of system service and its transmission system, characterized in that: (1) performing trade-off analysis of the system information transmission system that meets the communication demand of the avionics system system service capability The communication demand of the m system services that need to be implemented by the target avionics system is analyzed in performance trade-off with the communication performance of all radio frequency wireless communication systems that can be integrated by the avionics system, and , if

[0023] then the j-th radio frequency wireless communication system meets the i-th system service communication performance demand, and the set of all radio frequency wireless communication systems that meet the i-th system service communication performance demand is represented as , and the total number of radio frequency wireless communication systems in the set is represented as ; (2) Performance-cost optimization model solving The performance-cost optimization model is solved for the m system services that need to be implemented by the target avionics system, and​​​​​​​​ , where

[0024] The radio frequency wireless communication system configuration of the integration mode that satisfies the performance-cost optimal of each system service i is calculated as ; (3) Performance-software complexity optimal model solving The performance and service software complexity optimal model is solved for the m system services to be implemented of the target avionics system, and , where

[0025] The radio frequency wireless communication system configuration of the integration mode that satisfies the performance-software complexity optimal of each system service i is calculated as ; (4) Performance-cost-software complexity optimal model solving The performance, cost and service software complexity optimal model is solved for the m system services to be implemented of the target avionics system, and , where

[0026] wherein is the weight coefficient of the integrable radio frequency system, is the cost weight coefficient of the integrable radio frequency system, and ; The radio frequency wireless communication system configuration of the integration mode that satisfies the performance-cost-software complexity optimal of each system service i is calculated as ; (5) System information transmission system integration scheme is generated, denoted as

[0027] 1) Performance-cost optimal integration scheme

[0028] The performance and cost optimal integration scheme is , and the system service function number that needs to be integrated of the target avionics system is 2) Performance-software complexity optimal integration scheme

[0029] The performance and software complexity optimal integration scheme is , and the system service function number that needs to be integrated of the target avionics system is ​​3) Performance-cost-software complexity optimal integration scheme

[0030] For performance, cost and software complexity optimal integration scheme, For target avionics system needs to integrate the number of system business functions.

[0031] Embodiment 2 As Figure 1 shown, the embodiment of the application discloses an avionics integration trade-off analysis method for system business and its transmission system, and the specific process is as follows: Process (1) system business transmission system analysis, this process determines the information of the system business transmission system that can be integrated by the target avionics system, mainly including the communication performance (including communication rate, communication bandwidth, communication delay, communication distance) and cost of the radio frequency wireless communication system; assuming that the target avionics system can integrate kinds of radio frequency wireless communication systems, including Link16, TTNT, etc. is the number of the integrable radio frequency wireless communication system; is the maximum communication rate of the th radio frequency wireless communication system, is the maximum communication delay of the th radio frequency wireless communication system, is the maximum communication distance of the th radio frequency wireless communication system, is the cost of the terminal of the th radio frequency wireless communication system; Process (2) system business demand analysis, this process determines the system communication demand and system business function demand of the target avionics system; assuming that the target avionics system has m items of system business function, is the number of the system business function demand, and , is the communication rate requirement of the th system business, is the communication delay requirement of the th system business, is the communication distance requirement of the th system business, is the software complexity of realizing the th system business function on the basis of the th radio frequency wireless communication system, is the software cost of realizing the th system business function on the basis of the th radio frequency wireless communication system; The flow (3) is an integrated design trade-off optimization model of the system service and the transmission system. The flow takes the information of the system service transmission system and the system service demand as the model input, and performs the integrated design optimization of the system service and the transmission system through the trade-off model. The flow (4) is a system information transmission system configuration scheme output. The flow outputs the optimized system information transmission system configuration and the avionics system service software configuration scheme of the integrated trade-off model.

[0032] As Figure 2 , the integrated design trade-off optimization process of the system service and the transmission system is as follows: The flow (1) is a communication demand and transmission system matching analysis. The flow performs the trade-off analysis of the system information transmission system that meets the communication demand of the system service capability of the avionics system. The communication demand of each of the m system services to be implemented by the target avionics system is analyzed in performance trade-off with the communication performance of all the radio frequency wireless communication systems available for integration of the avionics system. , if , if

[0033] The first radio frequency wireless communication system meets the communication performance demand of the i-th system service, and the set of all radio frequency wireless communication systems that meet the communication performance demand of the i-th system service is represented as The total number of radio frequency wireless communication systems in the set is represented as

[0034] The flow (2) is a performance-cost optimal model solution. The flow performs the performance-cost optimal model solution for each of the m system services to be implemented by the target avionics system. , if

[0035] The radio frequency wireless communication system configuration that meets the performance-cost optimal integration mode of each system service i is calculated as ; The flow (3) is a performance-software complexity optimal model solution. The flow performs the performance-software complexity optimal model solution for each of the m system services to be implemented by the target avionics system. , if

[0036] The radio frequency wireless communication system configuration that meets the performance-software complexity optimal integration mode of each system service i is calculated as ; The flow (4) is a performance-cost-software complexity optimal model Solving, the flow is to realize the m item system business of the target avionics system Performance, cost and business software complexity optimal model solving, to , there are

[0037] Among them The weight coefficient of the integrated radio frequency system, The cost weight coefficient of the integrated radio frequency system, and ; The performance-cost-software complexity optimal integrated radio frequency wireless communication system configuration of each item system business i is calculated as ; Process (5) system information transmission system integration scheme generation, the process generates system information transmission system integration scheme, denoted as

[0038] 1) Performance-cost optimal integration scheme

[0039] The performance and cost optimal integration scheme is The number of system business functions that need to be integrated in the target avionics system; 2) Performance-software complexity optimal integration scheme

[0040] The performance and software complexity optimal integration scheme is The number of system business functions that need to be integrated in the target avionics system; 3) Performance-cost-software complexity optimal integration scheme

[0041] The performance, cost and software complexity optimal integration scheme is The number of system business functions that need to be integrated in the target avionics system.

[0042] So far, the purpose of the present application is achieved.

[0043] The above is only a specific embodiment of the present application, which is described in detail, and the part not described is a conventional technology. However, the protection scope of the present application is not limited to this, any changes or replacements that can be easily thought of by those skilled in the art within the technical range disclosed by the present application should be covered within the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for avionics integration trade-off analysis oriented towards system services and their transmission systems, characterized in that, Includes the following steps: Conduct system business communication requirements and system business function requirements analysis; Based on the above analysis results, an integrated trade-off analysis model is constructed. The above model is used to output the optimized configuration of the avionics system architecture service transmission system and the architecture service software configuration scheme.

2. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 1, characterized in that, Conduct system business communication requirements analysis, specifically: Determine the communication performance and cost information of the radio frequency wireless communication systems that can be integrated into the target avionics system; Assuming the target avionics system can integrate a total of radio frequency wireless communication systems kind, This is the designation for an integrable radio frequency wireless communication system; For the first The maximum communication rate of this type of radio frequency wireless communication system For the first The maximum communication delay of a radio frequency wireless communication system For the first The maximum communication distance of this type of radio frequency wireless communication system For the first The cost of terminal equipment for a radio frequency wireless communication system.

3. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 2, characterized in that, Communication performance includes communication rate, communication bandwidth, communication latency, and communication distance.

4. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 1, characterized in that, Conduct system business function requirements analysis, specifically as follows: Determine the system communication requirements and system service function requirements of the target avionics system; Assume the target avionics system has m system functionalities. This is a number assigned to the system's business function requirements, and , For the first Communication rate requirements for system services For the first Communication latency requirements of the system services For the first Communication distance requirements for system services In the first Based on the first radio frequency wireless communication system, the second The software complexity of the system's business functions In the first Based on the first radio frequency wireless communication system, the second The software cost of the system's business functions.

5. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 1, characterized in that, Construct an integrated trade-off analysis model to perform integrated design trade-off optimization of system services and their transmission systems.

6. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 5, characterized in that, Construct an integrated trade-off analysis model, specifically as follows: Conduct a trade-off analysis of the system information transmission system to meet the communication requirements of the avionics system's business capabilities; Solve the performance-cost optimal model; Solve the performance-cost optimal model; Solve the optimal performance-cost-software complexity model; The model is constructed based on the above solution results.

7. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 6, characterized in that, A trade-off analysis of the system information transmission system to meet the communication requirements of the avionics system's operational capabilities is conducted, specifically as follows: For each of the m system services that the target avionics system needs to implement, a performance trade-off analysis is performed between the communication requirements and the communication performance of all available radio frequency wireless communication systems that can be integrated into the avionics system. ,have: like ; Then the first Let a set of radio frequency wireless communication systems satisfy the communication performance requirements of the i-th system service be defined as follows: The total number of radio frequency wireless communication systems within the set is expressed as .

8. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 7, characterized in that, Solving the performance-cost optimal model involves: A performance-cost optimal model is used to solve for the m system functions to be implemented by the target avionics system. ,have: ； The RF wireless communication system configuration that calculates the optimal performance-cost integration method for each system service i is represented as follows: ; Solving the performance-cost optimal model involves: For the m system functions to be implemented in the target avionics system, an optimal model for performance and business software complexity is solved. ,have: ； The configuration of the radio frequency wireless communication system that satisfies the optimal integration method for each system service i in terms of performance and software complexity is represented as follows: ; Solving the optimal performance-cost-software complexity model involves: For the m system functions to be implemented in the target avionics system, an optimal model is used to solve for performance, cost, and software complexity. ,have: ； in This is a weighting factor for integrable radio frequency systems. This is a cost weighting factor for integrable RF systems, and The configuration of the radio frequency wireless communication system that calculates the optimal integration method for each system service i to satisfy performance, cost, and software complexity is represented as follows: .

9. The avionics integration trade-off analysis method for system-oriented services and their transmission systems according to claim 8, characterized in that, The optimized configuration schemes for the avionics system's service transmission system and service software are derived from the above model, as follows: The integrated scheme for generating system information transmission is denoted as: ; 1) The best performance-cost integrated solution; ； For optimal performance and cost integration, Number the system business functions that the target avionics system needs to integrate; 2) Optimal integration solution based on performance and software complexity; ； The optimal integration solution in terms of performance and software complexity. Number the system business functions that the target avionics system needs to integrate; 3) Implement the optimal integration solution in terms of performance, cost, and software complexity; ； The optimal integration solution in terms of performance, cost, and software complexity. Number the system business functions that the target avionics system needs to integrate.

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