Active metamaterials with broadband controllable stiffness for tunable band gaps and non-reciprocal wave propagation

• Published in: Smart materials and structures Vol. 28; no. 6; pp. 65025 - 13
• Main Authors: Yi, Kaijun, Ouisse, Morvan, Sadoulet-Reboul, Emeline, Matten, Gaël
• Format: Journal Article
• Language: English
• Published: IOP Publishing 01.06.2019
• Subjects: feedback control; Mechanics; metamaterials; non-reciprocal wave propagation; Physics; piezoelectric materials; vibration

One dimensional active metamaterials with broadband controllable bending stiffness are studied in this paper. The key unit of the active metamaterials is composed of a host beam and piezoelectric patches bonded on the beam surfaces. These patches serve as sensors or actuators. An appropriate feedbac...