Smart Material Actuator Driven by Networked Rectenna Array

Paper #:
  • 1999-01-2646

Published:
  • 1999-08-02
Citation:
Chu, S., Choi, S., Kwak, M., Cutler, A. et al., "Smart Material Actuator Driven by Networked Rectenna Array," SAE Technical Paper 1999-01-2646, 1999, https://doi.org/10.4271/1999-01-2646.
Pages:
11
Abstract:
The new concept, a microwave-driven smart material actuator, was introduced to wirelessly drive actuators of space antennas and reflectors. For the proof-of-concept, a multilayer piezoelectric actuator integrated with a 3×3 rectenna was set up and tested within microwave field. The test results showed that the rectenna generates up to 73 V DC for a piezoelectric actuator and demonstrates a wide controllability by allowing several control parameters. For high power requirement and effective use of incident microwave, a power allocation and distribution (PAD) circuit and a voltage up-converter (VUC) were studied in corporation with the rectenna circuitry.
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