On the basis of many high, low and ordinary temperature static experiments on long working time sustained solid rocket motors using high energy composite propellants, a study of factors influencing the sedimentation properties was performed and analyzed, for instance dimension of nozzle throat, material of throat, construction of nozzle, character of propellant, etc.

Control method of time on wing for civil aeroengine;

Fault diagnosis and adaptive reconfiguration control for sensors in aeroengine based on improved least squares support vector;

Research on detection system of aeroengine large wear particle based on microimage;

Establishment of Aero-engine s Model Based on SMI Identification Method;

Combination forecasting model of aero-engine maintenance costs based on statistic rough sets theory;

Research on Aerodynamic Detection of Aero-engine Blade;

Complicated nonlinear systems such as aircraft engines.

The technology of surface modification was an efficient way to increase fatigue life of the mainshaft bearing of the aircraft engines.

Considering the geometric features of the air cooled turbine blades of the aircraft engines, the methods to sort the features in the parametric modeling of the blades were advanced.

Fault diagnosis and life predication are key parts of civil aviation engine heath management system, and are the important means to achieve on-condition maintenance.