Transmission service implementation method based on avionics data model

A data model and transmission service technology, applied in the field of avionics systems, can solve problems such as increased upgrade and improvement costs, inconsistent data units, and uncommon transmission data interfaces, and achieves the effect of improving interoperability and reusability

Pending Publication Date: 2022-02-01
CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
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Problems solved by technology

[0003] There are two main problems in the data interaction method of traditional avionics software systems: one is that the interface for transmitting data is not universal and is often tightly coupled with the application, which reduces the portability of application components and increases the cost of upgrading and improving; the other is data interaction The parties involved lack a standardized and comm...

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  • Transmission service implementation method based on avionics data model
  • Transmission service implementation method based on avionics data model
  • Transmission service implementation method based on avionics data model

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Embodiment Construction

[0029] In order to better understand the present invention, the present invention will be further described in detail below through the accompanying drawings and examples.

[0030] see figure 1 As shown, a method for implementing a transmission service based on the avionics data model shown in this embodiment includes the following steps:

[0031] Step 1. According to the requirements of the avionics system, use the elements of the avionics data model to establish the data transmission scheme of the application components of the avionics system, and finally establish the avionics data model.

[0032] Avionics data model elements include message model, component model and integration model. The message model can be divided into three layers: conceptual model, logical model, and platform model. Through the layer-by-layer essence of the transmitted data, the message semantics and data format transmitted between application components are accurately defined. The component model ...

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Abstract

The invention discloses a transmission service implementation method based on an avionics data model, and the method comprises the steps: building an avionics data model which comprises a message model for describing the transmission data content between software components, a component model for describing the component information of the software components, and an integration model for describing the cross-linking relation between the software components; analyzing the avionics data model, and generating a message data structure header file, a standard data transmission interface declaration file, a component framework and a transmission service configuration file; when an avionics software system is generated, adding a business logic code of an application component in a component framework to form the application component, and enabling the application component to analyze a message data structure header file and a transmission service configuration file by using a general transmission service library to carry out data transmission and analysis, and performing message data interaction according to the interface in the standard data transmission interface declaration file. According to the method and the device, interactive data among the application components can be accurately identified while being correctly transmitted, so that the interoperability of the application components is improved.

Description

technical field [0001] The invention relates to software design technology in the field of avionics systems, in particular to a method for realizing data transmission services between avionics software components. Background technique [0002] The avionics system is developing rapidly in the direction of openness, modularization, and integration. Integrated Modular Avionics (IMA) has a series of characteristics such as resource sharing, functional domain integration, distributed processing, and application function componentization. Multi-system, cross-platform and complex network communication environment put forward higher requirements for data interaction between software components. [0003] There are two main problems in the data interaction method of traditional avionics software systems: one is that the interface for transmitting data is not universal and is often tightly coupled with the application, which reduces the portability of application components and increas...

Claims

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Application Information

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IPC IPC(8): G06F8/41G06F9/54
CPCG06F8/427G06F9/546G06F2209/547
Inventor 洪沛曹白冰崔杰
Owner CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
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