Chaotic approach to control of lighting
First Claim
1. A method comprising controlling, at least in part in accordance with a chaotic function, an artificial light fixture to produce light for general illumination within a space,wherein the chaotic function comprises a mathematical expression that determines a variation of the artificial light in a dynamic manner that appears random to a person in the space generally illuminated by the artificial light, andwherein the mathematical expression is dynamic and highly sensitive to an initial condition.
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Abstract
At least one controllable source of visible light is configured to illuminate a space to be utilized by one or more occupants. A controller causes the source(s) to emit light in a manner that varies at least one characteristic of visible light emitted into the space over a period of time at least in part in accordance with a chaotic function.
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Citations
28 Claims
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1. A method comprising controlling, at least in part in accordance with a chaotic function, an artificial light fixture to produce light for general illumination within a space,
wherein the chaotic function comprises a mathematical expression that determines a variation of the artificial light in a dynamic manner that appears random to a person in the space generally illuminated by the artificial light, and wherein the mathematical expression is dynamic and highly sensitive to an initial condition.
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9. A lighting system, comprising:
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first and second lighting devices each comprising a controllable source of artificial light; and at least one controller coupled to control an operation of the sources to produce artificial light for general illumination within a space, wherein the at least one controller is configured to control artificial light outputs of the sources at least in part in accordance with a chaotic function, wherein the chaotic function comprises a mathematical expression that determines variation of the artificial light in a dynamic manner that appears random to a person in the space generally illuminated by the artificial light, and wherein the mathematical expression is dynamic and highly sensitive to an initial condition. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A lighting device, comprising:
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a controllable source of artificial light; and a controller coupled to the source of artificial light, wherein the controller is configured to control an operation of the source to produce artificial light for general illumination within a space at least in part in accordance with a chaotic function, wherein the chaotic function comprises a mathematical expression that determines variation of the produced artificial light in a dynamic manner that appears random to a person in the space generally illuminated by the produced artificial light, and wherein the mathematical expression is dynamic and highly sensitive to an initial condition. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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Specification