A defective vibration system is a special linear vibration system which can not be completely uncoupled by linear transformation. Previous studies have shown that the modal models of defcctiw vibration systems are determined by modal parameters (modal frequencies, damping ratios and mode shape vectors), as well as the structural matrices of the vibration systems. So the whole identification of ...

79 L~ST OF ILLUSTRATIONS 1. Elastic Hysteresis 2. Overdamped Vibration 3. Critically Damped Vibration 4. Underdamped Vibration 5. Optimum Damping Factor for Specified Error 6. Free Gyroscope 7. Inclined Plane 8. Sliding Shoe 9. Kingsbury Thrust :Bearing 10. Circular Pad Air :Bearing 11. Cylindrical Pad 12. Oil-Ring-Bearing 13. Lo\-T Friction Ball :Bearing 14. Low Friction Roller Bearing 15. Sec...

In this paper, we focus on a class of robotic manipulators that utilize continuous backbone structures. Such manipulators, known as “continuum” robots, exhibit behavior similar to tentacles, trunks, and snakes. Specifically, we have previously discussed some of the mechanical and kinematic details of the Clemson “Tentacle Manipulator.” This work examines the dynamic characteristics of this mani...

Utilizing theory of the secondary quantization, a study of vibration behaviors in flexible-link robot arms is possible in microscopic viewpoints. This paper studies the relation of vibration related to phonon coupling interaction by means of Green’s function method beginning with energy model. Results confirm analytically the existence of the relationship between the macroscopic study employing...

This study use noise and vibration analytical system to test and analyze the noise and vibration of subway station hall, draw the conclusion: analysis the noise test results when the vehicles through the subway station hall. The noise rises as the frequency increases, gets the peak value nearby 5000 Hz, the high of test point gives lesser influence to noise contribution. The vibration occurred ...

Particle damping is a type of impact damping that is designed to mitigate the response of lightly damped structures under dynamic loading. It consists of granular materials constrained to move between two ends of a cavity in a structure. When attached to a vibrating structure, the collisions of individual particles with cavity boundaries result in a reduction in the vibration amplitude of the s...

In this paper, the vibrations of thin plate in modified couple stress thermoelastic medium by using Kirchhoff- Love plate theory has been investigated. The governing equations of motion and heat conduction equation for Lord Shulman (L-S) [1] theory are written with the help of Kirchhoff- Love plate theory. The thermoelastic damping of micro-beam resonators is analyzed by using the normal mode a...