Method and apparatus for environmental control according to perceived temperature
First Claim
1. An apparatus for controlling environmental parameters in a defined environment, said apparatus comprising:
- a memory unit for storing data and instructions to be performed by a processing unit;
temperature, relative humidity and wind velocity sensors for measuring temperature, relative humidity and wind velocity relating to said environment andthe processing unit coupled to said memory unit and said sensors, said processing unit programmed to;
obtain measured values of temperature, relative humidity, and wind velocity relating to said environment from said sensors;
calculate values of perceived temperature as a function of said measured values of temperature, relative humidity, and wind velocity, using an equation based on a specified relative humidity and of the form;
PT=Twc(f+gH+hH2)+iH+jH2+k;
wherein;
PT=perceived temperature;
Twc=wind chill-compensated temperature;
H=relative humidity; and
f, g, h, i, j and k are constants; and
automatically controlling said environmental parameters based on said values of perceived temperature.
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Accused Products
Abstract
Automated methods, apparatuses and computer program products for controlling environmental parameters in a defined environment are disclosed herein. One method disclosed includes the steps of: measuring values of temperature, relative humidity, and wind velocity in the environment, calculating a value of perceived temperature as a function of the measured values, and controlling the environmental parameters based on the calculated value. In certain embodiments, the defined environment comprises a chicken house and the temperature perceived by the chickens in the chicken house is calculated as a function of a characteristic of the chickens such as age or weight.
8 Citations
17 Claims
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1. An apparatus for controlling environmental parameters in a defined environment, said apparatus comprising:
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a memory unit for storing data and instructions to be performed by a processing unit; temperature, relative humidity and wind velocity sensors for measuring temperature, relative humidity and wind velocity relating to said environment and the processing unit coupled to said memory unit and said sensors, said processing unit programmed to; obtain measured values of temperature, relative humidity, and wind velocity relating to said environment from said sensors; calculate values of perceived temperature as a function of said measured values of temperature, relative humidity, and wind velocity, using an equation based on a specified relative humidity and of the form;
PT=Twc(f+gH+hH2)+iH+jH2+k;
wherein; PT=perceived temperature; Twc=wind chill-compensated temperature; H=relative humidity; and f, g, h, i, j and k are constants; and automatically controlling said environmental parameters based on said values of perceived temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An apparatus for controlling environmental parameters in a chicken house, said apparatus comprising:
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a memory unit for storing data and instructions to be performed by a processing unit; temperature, relative humidity and wind velocity sensors for measuring temperature, relative humidity and wind velocity relating to said environment; and the processing unit coupled to said memory unit and said sensors, said processing unit programmed to; obtain measured values of temperature, relative humidity, and wind velocity in said chicken house from said sensors; determine wind chill as a function of said measured values of temperature and wind velocity, and at least one characteristic of chickens in said chicken house; determine values of perceived temperature at a constant reference value of relative humidity as a function of corresponding wind chill-compensated values of temperature measured at corresponding values of relative humidity and at least one characteristic of chickens in said chicken house using an equation of the form;
PT=Twc(f+gH+hH2)+iH+jH2+k;
wherein; PT=perceived temperature; Twc=wind chill-compensated temperature; H=relative humidity; and f, g, h, i, j and k are constants; and control said environmental parameters automatically based on said values of perceived temperature. - View Dependent Claims (16, 17)
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Specification