The prognostics and health management system of next generation turbofan aero-engine is researched for better adapting military mission needs. The system canonical structure is designed on the basis of GE company open structure. Additionally, the gas path PHM architecture is especially analyzed, and the key technologies in the system are introduced. It gets the technology ways for the realization of the system development. And the work can provide support for the development of the PHM system from the top course structure view.

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The missile launch vehicle is the launch platform of the missile, the reliability level of it directly influences the effectiveness displaying. The goal of synthetic diagnostic and health management was researched, and the framework of synthesis diagnostic and health management system of the missile launch vehicle was designed. The module designing of the system was provided according to the different subsystem, the way of system implementation was designed through the framework of the system, the principle of sensor selection was ensured in the system, the method of monitoring parameter selection was researched in a certain degree, and the key technology and research point for the system designing were analyzed.

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