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Systems and methods for controlling energy use in a building management system using energy budgets

United States Patent

June 17, 2014
View the Complete Patent at the US Patent & Trademark Office
Systems and methods for limiting power consumption by a heating, ventilation, and air conditioning (HVAC) subsystem of a building are shown and described. A mathematical linear operator is found that transforms the unused or deferred cooling power usage of the HVAC system based on pre-determined temperature settings to a target cooling power usage. The mathematical operator is applied to the temperature settings to create a temperature setpoint trajectory expected to provide the target cooling power usage.
Wenzel; Michael J. (Oak Creek, WI)
Johnson Controls Technology Company (Holland, MI)
13/ 396,514
February 14, 2012
GOVERNMENT LICENSE RIGHTS This invention was made with government support under contract number DE-EE0003982, awarded by the U.S. Department of Energy. The government has certain rights in the invention.