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Parallel computation management-based autonomous navigation simulation and scheduling management system

A parallel computing and autonomous navigation technology, applied in software simulation/interpretation/simulation, multi-programming devices, program control devices, etc., can solve the problems that the scheduling management system cannot meet the real-time indicators, and the simulation model model is complicated to calculate, etc. Avoid the need for high-precision synchronous clock networks, ensure parallelism and real-time performance, and speed up operations

Active Publication Date: 2012-11-14
BEIJING INST OF SPACECRAFT SYST ENG
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the existing scheduling management system cannot meet the real-time index when simulating the autonomous navigation simulation system with the characteristics of huge simulation model and complex model calculation, and to provide a data-driven asynchronous pipeline parallel real-time scheduling method

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  • Parallel computation management-based autonomous navigation simulation and scheduling management system
  • Parallel computation management-based autonomous navigation simulation and scheduling management system

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Embodiment Construction

[0028] Such as figure 1 As shown, the autonomous navigation simulation scheduling management system of the present invention is composed of a hardware system and a software system. The hardware system is composed of main control computer, real-time scheduling computer, high-performance simulation computing node machine, real-time communication network and high-precision clock card; the software system is composed of supporting operating system, main control terminal software and real-time scheduling control software.

[0029] The real-time communication network includes: Gigabit Ethernet network and infiniband high-performance real-time network. Complete real-time communication and data transmission between computing clusters and real-time scheduling between computers and computing clusters.

[0030] The main control computer has low calculation requirements and low real-time requirements. In order to ensure a friendly man-machine interface, the main control computer adopts a...

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Abstract

The invention discloses a parallel computation management-based autonomous navigation simulation and scheduling management system, which consists of a hardware system and a software system, wherein the hardware system consists of a master control computer, a real-time scheduling computer, a simulation computing node, a real-time communication network and a clock card; the real-time communication network consists of a giga Ethernet network and an infiniband high-performance real-time network; and the software system consists of a supporting operating system, master control end software and real-time scheduling control software. The parallel computation management-based autonomous navigation simulation and scheduling management system ensures the real-time property of a simulation system due to the adoption of the infiniband high-performance real-time network and an REDHAWK real-time operating system, ensures the possibility that the system realizes parallel computations in terms of hardware due to the adoption of a computing server and a blade server, realizes the parallel computations among simulation system models based on a data driving asynchronous pipeline parallel real-time scheduling algorithm, and in combination with the hardware, greatly speeds up the computation of the simulation system and ensures the parallelism and the real-time property of the complex simulation system.

Description

technical field [0001] The invention relates to an autonomous navigation simulation scheduling management system based on parallel computing management for spacecraft simulation. Background technique [0002] The spacecraft simulation scheduling management system is usually included in the spacecraft simulation platform system, and is mainly responsible for the simulation process control and data management of each component of the spacecraft simulation system. [0003] In terms of foreign spacecraft simulation and scheduling, mature system tools include EuroSim developed by the European Space Agency (ESA / ESTEC), public simulation software packages SIMSAT and EDISON developed by ESOC, etc., but these foreign products do not disclose core technologies and are difficult to Ensure the real-time performance of the spacecraft simulation system. [0004] The general domestic spacecraft simulation system includes its dispatching system, such as "integrated system of small satellit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/455G06F9/46
Inventor 许晓霞孙亚楠张玥黄丽霞钟选明杨雷涂歆滢
Owner BEIJING INST OF SPACECRAFT SYST ENG
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