Published February 1996
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Analog VLSI system for active drag reduction
Abstract
We describe an analog CMOS VLSI system that can process real-time signals from surface-mounted shear stress sensors to detect regions of high shear stress along a surface in an airflow. The outputs of the CMOS circuit are used to actuate micromachined flaps with the goal of reducing this high shear stress on the surface and thereby lowering the total drag. We have designed, fabricated, and tested parts of this system in a wind tunnel in laminar and turbulent flow regimes.
Additional Information
© 1996 IEEE. This work is supported in part by the Center for Neuromorphic Systems Engineering as a part of the National Science Foundation Engineering Research Center Program under grant EEC-9402726; and by the California Trade and Commerce Agency. Office of Strategic Technology under grant C94-0165. This work is also supported in part by ARPA/ONR under grant no. N00014-93-1-0990, and by an AFOSR University Research Initiative grant no. F49620-93-1-0332.Attached Files
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Additional details
- Eprint ID
- 95083
- Resolver ID
- CaltechAUTHORS:20190429-151824427
- Center for Neuromorphic Systems Engineering, Caltech
- EEC-9402726
- NSF
- C94-0165
- California Trade and Commerce Agency, Office of Strategic Technology
- Advanced Research Projects Agency (ARPA)
- N00014-93-1-0990
- Office of Naval Research (ONR)
- F49620-93-1-0332
- Air Force Office of Scientific Research (AFOSR)
- Created
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2019-04-29Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field