ENME489P: Special Topics in Mechanical Engineering; Control of Smart Structures

Credits: 3

Prerequisite: ENME361

Spring 2018, Spring 2021, Spring 2022, Spring 2023, Spring 2024, Spring 2025

General engineering problem formulation, organization, solution, and solution optimization methodologies
Mathematical descriptions of systems with multi-fields
Understanding of the role of smart materials in sensing and actuation
Analysis in time and frequency domains
Control systems analysis applied to smart structures
Design and control of smart structures both theoretically and experimentally
MATLAB, SIMULINK, and LabVIEW environments

Week 1- Introductions

Week 2- Structural Dynamics, Lagrange's Dynamics

Week 3- Transfer Functions, Piezoelectric Materials

Week 4- Constitutive Equations, Efficiency and Impedance Matching

Week 5- Structures coupled with Piezo-elements, Dynamics of structures with shaped piezo-sensors

Week 6- Dynamics of structures with shaped piezo-actuators, Exam 1

Week 7- Simple Active Control Approaches, Direct Velocity Feedback

Week 8- Vibration Isolation, Car Suspension Systems

Week 9- Break
Week 10-Damping by shunted piezo-networks, Piezoelectric Vibration absorber

Week 11- Brake squeal control with shunted networks, Energy harvesting

Week 12- Dynamic Magnification, Harvesting of vortex induced vibration

Week 13- Harvesting of galloping-Induced vibration energy, Exam 2

Week 14- Vibration control by band-gap periodic piezo-elements, Transfer Matrix Method

Week 15- Eigenvalue Analysis- Stop and Pass bands, Vibration isolation with periodic piezo-mounts

Week 16- Active Periodic metamaterials, Review and Final Exam TBD

Amr Baz

Amr M. Baz, Smart Structures: From Concepts to Applications, World Scientific, 2024

Two 75 min lectures per week