By using the state space equation and the MATLAB/Simulink module,through transforming the backing vibration isolation system differential combined equations as the state space equation,it is possible to facilitate the solution of vibration isolation coefficient of backing vibration isolation system of multi-degrees of freedom with damp.

Through transforming the vibration isolation system differential combined equations to the state space equation,it is possible to facilitate the solution of vibration isolation coefficient curve of vibration isolation system by using the Matlab/Simulink module.

Using the state space equation and the MATLAB/Simulink module,through transforming the vibration isolation system differential equationset as the state space equation,it is possible to facilitate the solution of vibration isolation coefficient of vibration isolation system of multifreedom degree with damping.

This paper compared continuous casting mold oscillation types between nonsinusoidal oscillation and triangle oscillation, analyzes their oscillation waves and oscillation parameters.

This paper establishes the velocity equations of new trapezoid oscillation, analyzes its oscillation parameters, and proposes its optimum regions.

Design of PVDF sensor measuring vibration parameters;

An L27(313)orthogonal array based on Taguchi method was adopted,the results showed the effects of the dynamic injection molding parameters on shrinkage of parts were different between perpendicular flow direction and parallel flow direction,and the effects of vibration parameters on the sh.

Through drawing and analyzing the cutting trace of the slice lapping,the selection of appropriate vibration parameters is mainly discussed in order to achieve the best slice lapping e.