Design And Implementation Of Integrity Simulation For Navigation System Based On SMP2

Integrity is a significant performance parameter of satellite navigation system, the simulation experiment and evaluation of navigation system's integrity is a important part of the system oriented to the whole performance evaluation of navigation system. So developing integrity simulation system of satellite navigation is beneficial much to the building of navigation system as a instruction. The design and implementation of integrity simulation system is researched in the paper. In order to provide the system with character of well currency, extension, reusability and maintainability, the simulation system using SMP2(Simulation Model Portability) for reference is designed and developed, a series of questions such as the reusability, composibility, extension of the simulation model in the development process of complex simulation system are resolved better, these provide the theory criterion for the computer simulation of satellite navigation system's integrity performance.The thesis uses the integrity simulation of satellite navigation system as the application background, and some innovational research and engineering practice about the technologies and methods for the model framework and integration of integrity simulation is implemented in the thesis. The contents are summarized into the following parts:(1) Algorithms and models related to integrity simulation are builded based on analyzing the operation organization and related equipment, the mutual relationship of integrity simulation models is analyzed and builded using object oriented method;(2) Model framework of simulation system based on SMP2 is erected according to the trait of integrity simulation models and and the relation between them;(3) The scenario framework of integrity simulation is erected on the sustain of the scenario meta-model of integrity simulation;(4) A scenario editor system of integrity simulation is designed and developed on the basis of the research of above theories and technologies, it sustain the automatic generation of Assembly file and Schedule file of the simulation experiment task, and the simulation validation and evaluation of navigation system's integrity is implemented through integrity simulation system.The research of the thesis is cross research about simulation theory and topography, besides developing methodology of system simulation, it can also apply instruction and reference for advanced research of integrity for navigetion system.