WIRELESS SENSOR NETWORK FOR DETECTING EQUIPMENT FAILURE
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United States of America Patent
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app pub date -
Mar 2, 2017
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Mar 3, 2016
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Abstract
A monitoring system, hardware, and methods are provided for monitoring and detecting loosening and/or detaching of a component of a machine. The systems and methods employ a wireless sensor network platform including sensor nodes and sink nodes operating at an radio frequency (RF) that is about one order of magnitude lower than a standard WSN RF of 2.4 GHz. At least one sensor node comprising at least one sensor element is deployed in or on the component of the machine, or deployed in or on the machine at a point where the component is attached. The sensor node sends a signal to the sink node upon sensing loosening and/or detaching of the component, and the sink node generates an alarm. Embodiments provide real-time detection and localization of a detached machine component to facilitate fast retrieval of the component. Therefore, damage caused by the detached component reaching critical downstream components can be avoided.
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