Active noise control (ANC) system

The paper is about Active noise control (ANC) system .

Paper Contents

Abstract

Part 1

• Literature review.
• Linear system, laplace transforms and transfer functions (ROSHUN THESIS).
• Laplace transform and transfer function.
• Theory of feedforward control
• Theory of feedback control
• Summary.

Part 2-theoretical model of ear defenders.

• Introduction.
• Theoretical model of open back ear defender.
• Transfer function of passive ear defender.
• Effect of cavity.
• Effect of absorption.
• Effect of leakage.
• Primary transfer function of active ear defender.
• Effect of cavity on primary transfer function.
• Effect of absorption on primary transfer function.
• Effect of leakage on primary transfer function.
• Secondary transfer function of active ear defender.
• Effect of cavity on secondary primary transfer function.
• Effect of absorption on secondary primary transfer function.
• Effect of leakage on secondary primary transfer function.
• Model of closed feedforward ear defender.
• Effect of back cavity on the controller transfer function.
• Effect of absorption on the controller transfer function.
• Effect of leakage on the controller transfer function.

Part 3-Discussion.

• Summary.
• Conclusion.
• Future work.

References.

Appendices.

 

 

 

20 Pages