In 21-212, nonlinear dynamic research on impact vibration of blades with crowns, supported by National Natural Science Foundation of China (1972154),

In p>28-211, dynamic stiffness and thermal characteristics of floating ring bearings applied to ultra-high-speed motorized spindles were studied, which was a key project of Tianjin Natural Science Foundation (8JCZJC22) < p Some nonlinear dynamics problems of rotor system of ultra-supercritical steam turbine-generator set, leader of Tianda project of National Natural Science Foundation (16324) (in cooperation with Harbin Institute of Technology and Harbin Turbine Factory)

27-29, Research on dynamics and control of dry friction self-excited vibration of mechanical system, National Natural Science Foundation (1672115)

27-29, Research on dry friction dynamics and control of mechanical system, special research fund of doctoral program in colleges and universities (265611)

23-25, research on stick-slip vibration dynamics of dry friction damper turbine blade system, National Natural Science Foundation (127278)

1999-23, nonlinear dynamics of large rotating machinery, a major project of National Natural Science Foundation.