Charge control of piezoelectric actuators to reduce hysteresis e

Details Charge control of piezoelectric actuators to reduce hysteresis e Charge control of piezoelectric actuators to reduce hysteresis e

1979-05-17

1981-04-21

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

042635276

ABSTRACT:
A piezoelectric actuator and a control circuit therefor to apply a charge to the actuator proportional to an input signal magnitude. The charge controlled actuator achieves a more linear input-displacement response with reduced hysteresis.

REFERENCES:
patent: 3100886 (1963-08-01), Marks
patent: 3835338 (1974-09-01), Martin
patent: 3879699 (1975-04-01), Pepper
patent: 3916226 (1975-10-01), Knoll
patent: 4093883 (1978-06-01), Yamamoto

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