PIEZOHYDRAULIC ACTUATION SYSTEMS FOR EXOSKELETAL DEVICES

Sponsor: Oak Ridge National Laboratories / DARPA

Page Last Updated: 1/12/02

Design, build, and test a high-frequency piezohydraulic device whose power density is greater than that of electromagnetic motors.

• Designed and built a prototype hydraulic system with active valves.
• Tested the flow rate, pressure, and output force of the prototype.

Tan, H., Hurst, W., and Leo, D.J., 2002, "Performance of a piezohydraulic actuation system with active valves," to appear, Proceedings of the SPIE.