WHAT IS A SMART STRUCTURE

1
WHAT IS A SMART STRUCTURE ?
A NON BIOLOGICAL STRUCTURE HAVING 1gt A
PURPOSE 2gt MEANS TO ACHIEVE IT 3gtSTAKE IN ITS
PERFORMANCE
2
SMART Vs CONVENTIONAL STRUCTURES
External Disturbance
Structure
Response
Conventional Structure
External Disturbance
Structure
Response
Controller
Smart Structure
3
WHAT MAKES A SMART STRUCTURE SMART ??
Agt Sensors Bgt Processing Unit Cgt
Communications Dgt Actuators
4
APPLICATIONS
1gt AIRCRAFT INDUSTRY
AgtAIRCRAFT MORPHING SMART WING
5
APPLICATIONS
1gt AIRCRAFT INDUSTRY
Bgt DETECTING STRUCTURAL INTEGRITY
FIBERS INTACT
TO DETECTOR
COMPOSITE MATERIAL WITH EMBEDDED OPTICAL FIBERS
FIBERS SEVERED
LIGHT SOURCE
6
APPLICATIONS
2gt BASEBALL BAT
7
APPLICATIONS
3gtPIEZO ELECTRIC VALVE
ADVANTAGES
Agt POWER CONSUMPTION BgtSIZE Cgt RESPONSE
TIME DgtRELIABLILITY
8
APPLICATIONS
4gt VIBRATION CONTROL
CONTROL ALGORITHM
ELECTRIC CIRCUIT OR PC AND PERIPHERALS
ACTUATOR
SENSOR
STRUCTURE
VIBRATION
ANTI-VIBRATION
RESIDUAL
9
TECHNICAL BARRIERS
1 gtMANUFACTURING 2gtHIGH FORCE HIGH
DISPLACEMENT ACTUATORS 3gtPOWER REQUIREMENT
10
THE FUTURE..
1gt SMART SYSTEMS TO INTELLIGENT
SYSTEMS 2gt IMPLEMENT EXPERIMENTAL STAGES 3 gt
DESIGN APPROACH Agt LOW FACTOR OF SAFETY
Bgt TALK WITH STRUCTURES THE DAWN OF A NEW
MATERIALS AGE