Integrated actuator sensor structure

Details Integrated actuator sensor structure Integrated actuator sensor structure

2011-07-19

2011-07-19

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Piezoelectric polymers

C310S318000, C310S319000, C310S328000, C310S330000, C310S331000, C310S332000

Reexamination Certificate

active

07982375

ABSTRACT:
An integrated sensory actuator (10) which uses an electroactive polymer is provided. The sensory actuator is comprised of an actuating member (12) made of an ionic polymer-metal composite; a sensing member (14) made of a piezoelectric material; and an insulating member (16) interposed between the actuating member and the sensing member. The sensory actuator may further include a compensation circuit adapted to receive a sensed signal from the sensing member and an actuation signal from the actuating member and compensate the sensed signal for feedthrough coupling between the actuating member and the sensing member.

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Chen, Zheng, et al.: “Hybrid IPMC/PVDF structure for simultaneous actuation and sensing”, Proceedings of SPIE—The International Society for Optical Engineering; Smart Structures and Materials 2006: Electroactive Polymeer Actuators and Devices (EAPAD) 2006; San Diego, CA, USA, Feb. 27-Mar. 2, 2006; SPIE, Bellingham, WA, vol. 6168, Mar. 2006, pp. 61681L1-61681L9, XP002481105.
Punning, Andres, et al.: “Empirical model of a bending IPMC actuator”, Proceedings of SPIE—The International Society for Optical Engineering; Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD) 2006; San Diego, CA, USA, Feg. 27-Mar. 2, 2006; SPIE, Bellingham, WA, vol. 6168, Mar. 2006, pp. 61681V1-61681V8, XP002442092; ISSN: 0277-786X.
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