This homepage covers the advanced actuators activity of the JPL's NDEAA Technologies Lab.
Ultrasonic Motors
Rotary
Ultrasonic Motors - SPIE, San Diego, CA March 1997
Rotary
Ultrasonic Motors - SPIE, San Diego, CA March 1998
Planetary
Dexterous Manipulators* - SPIE, Newport Beach, CA March 1999, paper #3668-17
Rotary
Ultrasonic Motors - SPIE, Newport Beach, CA, March 1999 paper #3668-63
"Complete
Modeling of Rotary Ultrasonic Motors Actuated By
Traveling Flexural Waves," SPIE Smart Structures 2000, paper 3992-103
“Miniaturization of planar
horn motors”
Proceedings of the SPIE Smart Structures and Materials/NDE Symposium,
Paper No. # 8345–80, San Diego, CA, March 12-15, 2012
Actuators
"Enabling
Novel Space and Terrestrial Applications Using Transducing Materials at
JPL," SPIE's Transducing Materials and Devices, Brugge,
Belgium, Oct. 30-Nov. 1, 2002, paper 4946-02
Energy harvesting
“The Physical Acoustics
of Energy Harvesting,” S. Sherrit, 2008 IEEE International Ultrasonics
Symposium Proceedings
Sensors
"BAW
and SAW sensors for In-situ analysis," Paper 5050-11, Proceedings of
the SPIE Smart Structures Conference, San Diego, CA.,
Mar 2-6. 2003
Patents related to Actuators
Y. Bar-Cohen,
S.-S. Lih and W. Grandia, "High Torque
Ultrasonic Motor System Using A Series of Connected Individual Motors and a
Stack of Piezoelectric Drivers," NTR, Item No. 9447, Docket 19835, Nov.
14, 1995 (Patent Pending).
"Multiphase
backing materials for piezoelectric broadband transducers," Patent No.
4,482,835, November 13, 1984
"Multiphase
backing materials for piezoelectric broadband transducers," Patent No.
4,581,070, April 8, 1986
"Multiphase
backing materials for piezoelectric broadband transducers," Patent No.
4,582,680, April 15, 1986
"Broad
band acoustic transducer," Patent No. 4,698,541, October 6, 1987
Web
addresses for other USM sources
MIT's
webpage - table comparing USM and conventional motors
MIT's
webpage - table comparing various actuators
Ultrasonic
motors websites list
Ultrasonic
motors at Harbin Institute, China
CEDRAT
Recherche's Piezoactive
motors
High-Power
Electrostatic Motor
Piemo
ApS, Kvistgaard, Denmark
Links
to actuator websites
Manufacturers
of piezoceramics
Center for Intelligent
Material Systems and Structures, Virginia Tech
Sensors
"Sandia
National Lab - Microsensors R&D"
Return to the JPL's NDEAA Webhub
Last update April 10, 2000