Intelligent controller providing time to target state
First Claim
1. A method for controlling an HVAC system, the method comprising:
- controlling the HVAC system to change an ambient temperature from a first temperature to a second, target temperature during a current time interval;
during at least a portion of the time interval,computing an aggregate estimated time that represents a time remaining for the ambient temperature to reach the target temperature bycomputing a first estimated time from a first model,computing a second estimated time from a second model, andcomputing the aggregate estimated time from the first estimated time and the second estimated time; and
displaying the aggregate estimated time on a display device.
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Abstract
The current application is directed to intelligent controllers that continuously, periodically, or intermittently calculate and display the time remaining until a control task is projected to be completed by the intelligent controller. In general, the intelligent controller employs multiple different models for the time behavior of one or more parameters or characteristics within a region or volume affected by one or more devices, systems, or other entities controlled by the intelligent controller. The intelligent controller collects data, over time, from which the models are constructed and uses the models to predict the time remaining until one or more characteristics or parameters of the region or volume reaches one or more specified values as a result of intelligent controller control of one or more devices, systems, or other entities.
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Citations
21 Claims
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1. A method for controlling an HVAC system, the method comprising:
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controlling the HVAC system to change an ambient temperature from a first temperature to a second, target temperature during a current time interval; during at least a portion of the time interval, computing an aggregate estimated time that represents a time remaining for the ambient temperature to reach the target temperature by computing a first estimated time from a first model, computing a second estimated time from a second model, and computing the aggregate estimated time from the first estimated time and the second estimated time; and displaying the aggregate estimated time on a display device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for controlling an HVAC system, the method comprising:
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controlling the HVAC system to change an ambient temperature from a first temperature to a second, target temperature during a current time interval; during at least a portion of the time interval, selecting one of an aggregate model or a single model for the change in temperature with respect to time during control by the HVAC system; when the aggregate model is selected, computing an aggregated estimated time that represents a time remaining for the ambient temperature to reach the target temperature by computing a first estimated time from a first model, computing a second estimated time from a second model, computing the aggregate estimated time from the first estimated time and the second estimated time, and displaying the aggregate estimated time on a display device; and when a single model is selected, computing an estimated time that represents a time remaining for the ambient temperature to reach the target temperature from the selected single model, and displaying the estimated time. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for controlling an HVAC system, comprising:
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controlling the HVAC system over a current HVAC cycle to cause an ambient temperature to change from an initial temperature to a target temperature; and during at least a portion of the current HVAC cycle, computing an estimated time remaining for the ambient temperature to reach the target temperature and displaying said estimated time remaining on a user display; wherein said computing the estimated time remaining comprises; accessing first information representative of a first model that characterizes, based on a number of previous HVAC cycles of the HVAC system being controlled, a statistical relationship between previous temperature changes achieved during the previous HVAC cycles and time durations that were required to achieve the changes; computing second information representative of a second model that characterizes, based on a current plurality of temperature measurements acquired during the current HVAC cycle, a current temperature-versus-time trajectory being achieved by the HVAC system during the current HVAC cycle; and generating said estimated time remaining based on a weighted combination of said first information and said second information. - View Dependent Claims (21)
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Specification