Principles of Vibration Control

Overview

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PRE-REQUISITES: Basics of Mechanical Vibrations

INTENDED AUDIENCE: B.Tech/M.Tech/PhD

INDUSTRIES APPLICABLE TO: Oil, Space, Manufacturing industries

COURSE OUTLINE: Vibration is undesirable in most engineering systems. The adverse effects of vibration include fatigue failure, severe damages due to resonance, malfunctioning of sensitive instruments/systems, loss of accuracy of work-piece due to vibration of machine tools, etc. This course will give a brief overview of the various strategies to control such vibrations in systems and the principles behind them.

Syllabus

Introduction to Vibration control.
Strategies & Steps in Vibration Control.
Strategies, Active control, Detuning & Decoupling.
Viscous damping model.
Coulomb & Hysteretic damping model.
Energy Dissipation in Structural Materials.
Material Selection Criterion against Damping.
Design for Enhanced Material Damping.
Linear Viscoelastic Materials & Models.
Maxwell & 3-Parameter Models.
Complex modulus & Applications of VEM.
Proof mass Actuator.
Springs for Vibration Isolation.
Basics of Dynamic Vibration Absorber.
Modelling of Dynamic Vibration Absorber.
Introduction to Active Vibration Control.
Basics of Classical Control System.
Basics of State Space Control.
Controllability & Observability of System.
Full State Feedback Control.
SMSS Laboratory Demonstration.