Time-varying extremum seeking for controlling vapor compression systems
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United States of America Patent
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Apr 18, 2017
Grant Date -
Oct 1, 2015
app pub date -
Mar 28, 2014
filing date -
Mar 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A method for controlling a vapor compression system determines a value of a metric of performance of the vapor compression system using a previous value of an estimated parameter and a previous value of a control signal determined for a previous time step of the control. The values of the estimated parameter represent a relationship between values of the control signal and values of the metric of performance. A current value of the estimated parameter is determined based on the previous value of the estimated parameter and an error between the determined value of the metric of performance and a measured value of the metric of performance. Next, a current value of the control signal is determined based on the current value of the estimated parameter.
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International Classification(s)
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- F25B:REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBIN....
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
- F24F:AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION;....
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