Beidou global system soft and hard collaborative simulation test verification system and establishment method

Abstract

The invention provides a Beidou global system soft and hard collaborative simulation test verification system. The Beidou global system soft and hard collaborative simulation test verification systemcomprises a software simulation unit, a hardware simulation unit, a software and hardware collaborative simulation control system, an environment simulation system and a time-frequency subsystem. Thesoftware simulation unit comprises a simulation model library, a simulation scheduling operation module, a scene configuration module, a monitoring and display module and a performance evaluation module. The hardware simulation unit comprises a hardware simulation system and an external interface system. The invention further provides an establishment method of the Beidou global system soft and hard collaborative simulation test verification system. The establishment method comprises the following steps of establishing the software simulation part, establishing the hardware simulation part, establishing the environment simulation subsystem, establishing the time frequency subsystem and establishing the software and hardware collaborative simulation control system; and performing test verification. Through the hardware simulator and the software model, the state of the Beidou engineering system can be approximated to the maximum extent, the number and the state of the test models can beflexibly configured, and butt joint verification with the real Beidou engineering system can be carried out.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a software and hardware collaborative simulation test verification system and establishment method of the Beidou global system. Background technique [0002] Compared with the previous two generations of Beidou navigation satellites, the latest Beidou-3 navigation system uses new technologies such as inter-satellite links, global short messages, and autonomous navigation. The interconnection relationship of the Beidou navigation system is more complicated, from the simple satellite-to-ground station interconnection of Beidou-1 and Beidou-2 to the satellite-to-satellite, satellite-to-ground station interconnection of Beidou-3, which greatly increases the system complexity. In order to reduce the risk of Beidou project construction, it is necessary to build a complete Beidou ground test verification system on the ground, so as to carry out key technology verification,...

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Problems solved by technology

[0006] However, the Chinese invention patent (Application Publication No.: CN 106896379 A), the title of the invention is the verification method of virtual and actual inter-satellite link of the global satellite navigation system, only gives a single method for the inter-satellite link of the global satellite navigation system. The functional test verification method lacks a comprehensive consideration of the complete system, so the ground test verification of the entire satellite navigation system with all elements, processes and functions cannot be carried out, and the scope of application is limited.

[0007] To sum up, the current test and verification methods for the Beidou system are either pure software modeling and simulation, which lacks representativeness of the real system; or they are only for the docking verification of engineering satellites, and lack the verification of the complete system state; or they are only for a single system. Software and hardware collaborative verification of functions, lack of verification of all elements, processes and functions of the system

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