Fan monitoring for failure prediction
First Claim
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1. A method for monitoring a fan in an electronic system comprising:
- measuring power usage of the fan;
determining a derivative of the measured fan power usage;
tracking the derivative over time; and
predicting impending fan failure based on the tracked fan power usage derivative.
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Abstract
A method for monitoring a fan comprises measuring power usage of the fan, determining a derivative of the measured fan power usage, tracking the derivative over time, and predicting impending fan failure based on the tracked fan power usage derivative.
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Citations
22 Claims
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1. A method for monitoring a fan in an electronic system comprising:
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measuring power usage of the fan; determining a derivative of the measured fan power usage; tracking the derivative over time; and predicting impending fan failure based on the tracked fan power usage derivative. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A fan condition monitoring apparatus comprising:
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a power sensor adapted for coupling to at least one fan in an electronic system and measuring fan power usage; and a controller coupled to the power sensor and adapted to determine a derivative of the measured fan power usage, track the derivative over time, and predict impending fan failure based in the tracked fan power usage derivative. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An electronic system comprising:
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a power supply; at least one fan coupled to the power supply; at least one electronic component coupled to the power supply; and a fan condition monitoring device coupled to the at least one fan and further comprising; a power sensor adapted for coupling to at least one fan in an electronic system and measuring fan power usage; and a controller coupled to the power sensor and adapted to determine a derivative of the measured fan power usage, track the derivative over time, and predict impending fan failure based on the tracked fan power usage derivative. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification