Energy harvesting to power embedded condition monitoring hardware

Kevin Farinholt; Nathan Brown; Jake Siegel; Justin McQuown; Robert Humphris

doi:10.1117/12.2083852

1 April 2015 Energy harvesting to power embedded condition monitoring hardware

Kevin Farinholt, Nathan Brown, Jake Siegel, Justin McQuown, Robert Humphris

Proceedings Volume 9433, Industrial and Commercial Applications of Smart Structures Technologies 2015; 94330W (2015) https://doi.org/10.1117/12.2083852
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

The shift toward condition-based monitoring is a key area of research for many military, industrial, and commercial customers who want to lower the overall operating costs of capital equipment and general facilities. Assessing the health of rotating systems such as gearboxes, bearings, pumps and other actuation systems often rely on the need for continuous monitoring to capture transient signals that are evidence of events that could cause (i.e. cavitation), or be the result of (i.e. spalling), damage within a system. In some applications this can be accomplished using line powered analyzers, however for wide-spread monitoring, the use of small-scale embedded electronic systems are more desirable. In such cases the method for powering the electronics becomes a significant design factor. This work presents a multi-source energy harvesting approach meant to provide a robust power source for embedded electronics, capturing energy from vibration, thermal and light sources to operate a low-power sensor node. This paper presents the general design philosophy behind the multi-source harvesting circuit, and how it can be extended from powering electronics developed for periodic monitoring to sensing equipment capable of providing continuous condition-based monitoring.

Citation Download Citation

Kevin Farinholt, Nathan Brown, Jake Siegel, Justin McQuown, and Robert Humphris "Energy harvesting to power embedded condition monitoring hardware", Proc. SPIE 9433, Industrial and Commercial Applications of Smart Structures Technologies 2015, 94330W (1 April 2015); https://doi.org/10.1117/12.2083852

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KEYWORDS

Capacitors

Solar energy

Solar cells

Energy harvesting

Photovoltaics

Sensors

LED lighting

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