Abstract
Smart Sensor Systems that can operate at high temperatures are required for a range of aerospace applications including propulsion systems. This paper discusses the development and demonstration of the components of a high temperature Smart Sensor System that includes a sensor, electronics, wireless communication, and power scavenging. In particular, a wireless pressure sensor system was demonstrated at 475°C with a notable amount of the power provided by power scavenging at elevated temperatures. This wireless pressure sensor system included a sensor, electronics, and wireless communication components integrated onto a single alumina substrate. High temperature wireless signal transmission at a distance of 1 meter using this approach was demonstrated at 475º C from 70-100 psi for more than one hour. This demonstration of multiple Smart Sensor System components is considered a foundation for the development of high temperature Smart Sensor Systems for use in harsh environments.
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