CONTROLLING AIR MOVERS BASED ON ACOUSTIC SIGNATURE
First Claim
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1. A control apparatus for controlling a plurality of fans in an enclosure, comprising:
- a receiver circuit to receive signals representative of an acoustic signature due to interaction of the fans in the enclosure; and
a control circuit to generate control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature.
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Abstract
In a system that employs multiple air movers (e.g., fans) within an enclosure, the air movers are controlled in an attempt to optimize cooling efficiency of the system. In some aspects, current cooling efficiency is indicated based on one or more characteristics of an acoustic signature in the enclosure. In particular, a reduction in cooling efficiency may be indicated by spreading of an acoustic peak of the acoustic signature. Accordingly, improved cooling efficiency may be achieved by controlling the air movers in a manner that reduces spreading of such an acoustic peak.
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Citations
44 Claims
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1. A control apparatus for controlling a plurality of fans in an enclosure, comprising:
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a receiver circuit to receive signals representative of an acoustic signature due to interaction of the fans in the enclosure; and a control circuit to generate control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for controlling a plurality of fans in an enclosure, comprising:
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receiving signals representative of an acoustic signature due to interaction of the fans in the enclosure; and generating control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A control apparatus for controlling a plurality of fans in an enclosure, comprising:
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means for receiving signals representative of an acoustic signature due to interaction of the fans in the enclosure; and means for generating control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature.
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43. A control system for a plurality of fans in an enclosure, comprising:
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at least one transducer to generate signals representative of an acoustic signature due to interaction of the fans in the enclosure; a receiver circuit to receive the signals from the at least one transducer; and a control circuit to generate control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature.
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44. A computer-program product for controlling a plurality of fans in an enclosure, comprising:
computer-readable medium comprising code for causing a computer to; receive signals representative of an acoustic signature due to interaction of the fans in the enclosure; and generate control signals based on the received signals, wherein the control signals control the fans to reduce spreading of at least one acoustic peak of the acoustic signature.
Specification