Dual function system having a piezoelectric element

Details Dual function system having a piezoelectric element Dual function system having a piezoelectric element

1993-11-22

1994-09-20

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

310319, G01B 716

Patent

active

053478703

ABSTRACT:
Self sensing actuator system using a piezoelectric actuator device allows the device to perform both as an actuator and sensor. The sensor functions can be either measurements of stress or measurements of strain. The actuator can be used as a force generator or positioning device, both in open and closed loop configurations, and is useful for purposes ranging from dynamic damping to shape control (i.e., shaping or controlling deformation of a body).

REFERENCES:
patent: 2137852 (1938-11-01), Nicolson
patent: 4577510 (1986-03-01), Bur et al.
patent: 4597288 (1986-07-01), Kyogoku et al.
patent: 4823117 (1989-04-01), Burcham
patent: 5168758 (1992-12-01), Wolfer

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