ENME 740

ENME 704 - ACTIVE VIBRATION CONTROL

Instructor: A. Baz

Office: 2137 ENG. Bldg.

Tel: 301-405-5216

e-mail: baz@eng.umd.edu

Prerequisites: ENME 602 (Control Theory) & ENME 662 (Vibrations) or equiv.

COURSE CONTENTS

1. Introduction to structural vibration

a. Finite element & model reduction

b. Modeling of structure/actuator/sensor systems

2. Shaping & Placement of Actuators & Sensors

a. Shaping of actuators/sensors

b. Placement of actuators/sensors

3. Identification of Structural Parameters

a. Markov parameters

b. Eigenvalue Realization Algorithm (ERA)

4. Feedback Control Methods

a. Modal control methods

b. Non-modal optimal LQR control

c. Robust control methods

i. sliding mode

ii. controller

5. Feedforward Control Methods

a. adaptive LMS algorithm

b. adaptive Filtered-X LMS algorithm

6. Power Flow & Vibration Confinement

a. Power flow

b. Vibration confinement

7. Implementation of Active Vibration Control

a. control algorithm implementation

b. experimental demonstrations

TEXTBOOKS & NOTES

i. A. Preumont, Vibration Control of Active Structures, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1997.

ii. Handouts & Class-notes on reserve in library.

GRADING POLICY: 25% Homework,

20% First exam.,

20% Second Exam

and 35% Final Exam..

COMMENTS Some assignments will require computer programming.