Variable stiffness actuator based on fluidic flexible matrix composites and piezoelectric-hydraulic pump

Gi-Woo Kim; Suyi Li; K. W. Wang

doi:10.1117/12.846289

9 April 2010 Variable stiffness actuator based on fluidic flexible matrix composites and piezoelectric-hydraulic pump

Gi-Woo Kim, Suyi Li, K. W. Wang

Proceedings Volume 7643, Active and Passive Smart Structures and Integrated Systems 2010; 76431Y (2010) https://doi.org/10.1117/12.846289
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

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.

Citation Download Citation

Gi-Woo Kim, Suyi Li, and K. W. Wang "Variable stiffness actuator based on fluidic flexible matrix composites and piezoelectric-hydraulic pump", Proc. SPIE 7643, Active and Passive Smart Structures and Integrated Systems 2010, 76431Y (9 April 2010); https://doi.org/10.1117/12.846289

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