23 Vibration Control Nader Jalili

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Clemson University Ebrahim Esmailzadeh

University of Ontario

23.1 Introduction ........................................................................ 23-1

Vibration Isolation vs. Vibration Absorption † Vibration

Absorption vs. Vibration Control † Classifications of

Vibration-Control Systems † Performance Characteristics of

Vibration-Control Systems

23.2 Vibration-Control Systems Concept ................................. 23-4

Introduction † Passive Vibration Control † Active Vibration

Control † Semiactive Vibration Control † Adjustable

Vibration-Control Elements

23.3 Vibration-Control Systems Design and

Implementation ................................................................... 23-12

Introduction † Vibration Absorbers † Vibration-Control

Systems

23.4 Practical Considerations and Related Topics .................... 23-38

Summary of Vibration-Control Design Steps and Procedures †

Future Trends and Developments

Summary

The fundamental principles of vibration-control systems are formulated in this chapter. There are many important

areas directly or indirectly related to the main theme of the chapter. These include practical implementation of

vibration-control systems, nonlinear control schemes, actual hardware implementation, actuator bandwidth

requirements, reliability, and cost. Furthermore, in the process of designing a vibration-control system, in practice,

several critical criteria must be considered. These include weight, size, shape, center-of-gravity, types of dynamic

disturbances, allowable system response, ambient environment, and service life. Keeping these in mind, general

design steps and procedures for vibration-control systems are provided.

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