8 April 2008 Design of integrated IPMC/PVDF sensory actuator and its application to feedback control
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Abstract
Compact sensing schemes are desirable for feedback control of ionic polymer-metal composite (IPMC) actuators in their targeted bio, micro, and nano applications. In this paper, a novel integrated sensory actuator with both position and force feedback is designed by combining IPMC with polyvinylidene fluoride (PVDF) films. The design adopts differential configurations for both the sensor-actuator structure and the sensing circuit, and thus eliminates capacitive coupling between IPMC and PVDF, minimizes the internal stress at bonding interfaces, and enables excellent immunity to thermal and electromagnetic noises. Closed-loop position control of the IPMC output is demonstrated together with simultaneous tip force measurement, based upon the integrated PVDF position and force sensors.
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Zheng Chen, Ki-Yong Kwon, Xiaobo Tan, "Design of integrated IPMC/PVDF sensory actuator and its application to feedback control", Proc. SPIE 6932, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2008, 69321O (8 April 2008); doi: 10.1117/12.776533; https://doi.org/10.1117/12.776533
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KEYWORDS
Sensors

Ferroelectric polymers

Actuators

Feedback control

Amplifiers

Composites

Thermal sensing

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