Networked smart material actuators with rectenna array

Sang H. Choi; Walter T Golembiewski; Kyo D. Song; Robert G. Bryant

doi:10.1117/12.436623

16 August 2001 Networked smart material actuators with rectenna array

Sang H. Choi, Walter T Golembiewski, Kyo D. Song, Robert G. Bryant

Proceedings Volume 4334, Smart Structures and Materials 2001: Smart Electronics and MEMS; (2001) https://doi.org/10.1117/12.436623
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

The concept of microwave-driven smart material actuators is envisioned as the best option to alleviate the complexity associated with hard-wired control circuitry. Networked rectenna patch array receives and converts microwave power into a DC power for an array of smart actuators. To use microwave power effectively, the concept of a power allocation and distribution (PAD) circuit is adopted for networking a rectenna/actuator patch array. The PAD circuit is embedded into a single embodiment of rectenna and actuator array. The thin-film microcircuit embodiment of PAD circuit adds insignificant amount of rigidity to membrane flexibility. Preliminary design and fabrication of PAD circuitry that consists of a few nodal elements were made for laboratory testing. The networked actuators were tested to correlate the network coupling effect, power allocation and distribution, and response time. The features of preliminary design are 16- channel computer control of actuators by a PCI board and the compensator for a power failure or leakage of one or more rectennas.

Citation Download Citation

Sang H. Choi, Walter T Golembiewski, Kyo D. Song, and Robert G. Bryant "Networked smart material actuators with rectenna array", Proc. SPIE 4334, Smart Structures and Materials 2001: Smart Electronics and MEMS, (16 August 2001); https://doi.org/10.1117/12.436623

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KEYWORDS

Actuators

Microwave radiation

Field effect transistors

Smart materials

Antennas

Capacitors

Control systems

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