The governing equation and energy equation of longitudinal vibration of flexible hoisting system with arbitrarily varying length were developed using the Hamilton s principle.

Aimed at the forced coupled longitudinal-transverse vibration of flexible hoisting systems, the governing equations and energy equations of the coupled vibration of the flexible component with arbitrarily varying length are developed using the Hamilton’s principle.

Development of virtual safety performance testing instrument for coal mine hoisting system;

Design of belt haulage inclined shaft hoisting system for Maluping ore section in Kaiyang Phosphate Group;

The development direction of coal mine hoisting system;

The optimization and application of lifting system in Xiadian Gold Mine;

On energy-saving and speed control of secondary regulation lifting system of parking equipment;

The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.

The numerical analysis on the nibration of rope guides and multi strings rub hoist system;

The research for coil type induction-motor-driven hoist system emulation;

Introduce the device select ion, link and chinese software development of terminal display and chinese print of Changcun coal mine's service shaft hoist system .

Pseudo-orbit tracing property for lift systems;