Read e-book online Adaptronics and Smart Structures: Basics, Materials, Design, PDF

By Hartmut Janocha

ISBN-10: 3540719652

ISBN-13: 9783540719656

Adaptronics is the time period encompassing technical fields that experience develop into identified the world over below the names "smart materials", "intelligent structures", and "smart structures". Adaptronics contributes to the optimisation of structures and items. It bridges the distance among fabric and system/product and comprises the quest for multi-functional fabrics and parts and their integration in platforms or constructions. The authors of this e-book have taken at the activity of showing the present cutting-edge during this box. The approach elements actuators, sensors and controllers, technical basics, fabrics layout ideas and useful strategies are defined. chosen pattern purposes also are represented and present improvement traits are verified.

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Extra resources for Adaptronics and Smart Structures: Basics, Materials, Design, and Applications

Example text

Assuming the square symmetry lattice goes through a ferroelectric phase transition to become rhombic symmetry lattice, there are two kinds of ionic rearrangements involved as shown in the figure. The first kind is the formation of dipoles through the shift of the cations along the diagonal directions as shown in Fig. 7b. There are four variants in the low symmetry phase and the dipoles in different unit cells may or may not be aligned. The second kind is a shear deformation of the anion lattice frame to accommodate the ionic shifts as shown in Fig.

In achieving these results, both active rudder and piezoelectric actuators seem to be similarly effective. 3 Application Examples 21 Fig. 5. ACROBAT tail buffet alleviation experiments: a single-input singleoutput (SISO) control law design for active rudder and piezoelectric wafers excitation, b power spectrum density (PSD) peak values for the root bending moment at the first bending resonance [11] Morphing Structures A recent example of an actuation-intensive adaptronic structure is the morphing aircraft program.

Fiber Optic Smart Structures. Wiley, New York (1995) 8. : Optical Frequency Domain Reflectometry for High Density Multiplexing of Multi-Axis Fiber Bragg Gratings. Proc. OFS-16, Nara, Japan (2003), p. 526 9. : Adaptive Structures – Dynamics and Control. Wiley (1998) 28 2 Concepts of Adaptronic Structures 10. : Development and Whirl Tower Test of the SMART Active Flap Rotor. Smart Structures and Materials 2004: Industrial and Commercial Applications of Smart Structures Technologies, Eric H. ), Proc.

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Adaptronics and Smart Structures: Basics, Materials, Design, and Applications by Hartmut Janocha

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