Recently, a new biological-inspired fluidic flexible matrix composite (in short, F²MC) concept has been developed for linear/torsional actuation and structural stiffness tailoring. Although the actuation and the variable stiffness features of the F²MC have been successfully demonstrated individually, their combined functions and full potentials were not yet manifested. In addition, the current hydraulic pressurization systems are bulky and heavy, limiting the potential of the F²MC actuator. To address these issues, we synthesize a new variable stiffness actuator concept that can provide both effective actuation and tunable stiffness (dual-mode), incorporating the F²MC with a compact piezoelectric-hydraulic pump (in short, PHP). This dual-mode mechanism will significantly enhance the potential of the F²MC adaptive structures.

Date Published: 9 April 2010
PDF: 8 pages
Proc. SPIE 7643, Active and Passive Smart Structures and Integrated Systems 2010, 76431Y (9 April 2010); doi: 10.1117/12.846289

Published in SPIE Proceedings Vol. 7643:
Active and Passive Smart Structures and Integrated Systems 2010
Mehrdad N. Ghasemi-Nejhad, Editor(s)