The development history and present situation of oscillation technique of CCM mould are introduced, and the forms of the sine and non-sine oscillation analyzed.

Research on string vibration with frequency spectrum analysis

The balloon is the rotational standing wave according to the string vibration theory.

It is composed of the XD-I vibroscope based on the string vibration and the XQ-I fibre tensile tester with pneumatic clamp operating and data processing function.

Focusing on the engineering applications of multi-shaker random vibration and sine vibration tests, theoretical analysis, numerical simulation and experimental research are performed in the dissertation based on multiple-input-multiple-output (MIM.

According to the vibration issues and characteristics of aero-engines, this paper studied the engine vibration testing, controlling & vibration testing of shakers and summarized the testing concepts, contents, methods and steps of sine vibration, random vibration, and shock vibration measurement for aero-engines & th.

Implementation of an algorithm for MIMO sinusoidal vibration test control system;