Control hvac systems during demand response events

An event and scheduling technology, applied in general control systems, control/regulation systems, heating and ventilation control systems, etc., can solve problems such as missed load transfers

Active Publication Date: 2019-03-15
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By way of example, while the above-described methods of direct load control, temperature dropback control, and direct load control followed by temperature dropback control generally result in some amount of reduced energy use across a base of participating consumers during a load shedding event, such an impact on the consumer base The "one size fits all" approach can result in a substantial missed opportunity for more efficient load transfer and reduced consumer inconvenience

Method used

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  • Control hvac systems during demand response events
  • Control hvac systems during demand response events
  • Control hvac systems during demand response events

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Embodiment Construction

[0040] Embodiments of the invention generally relate to techniques for controlling an HVAC system during a demand response event. Entities in the system used to control an HVAC system during a demand response event typically include a utility provider that provides electricity or other forms of energy from a power source, such as a generator, to an individual's home or business. Individuals typically pay for the amount of energy they consume on a regular basis, such as a monthly payment. In many embodiments, the energy management system is deployed between the utility provider and the individual. Energy management systems operate to intelligently and efficiently shift an individual's energy expenditure from one particular period to another. This energy transfer is typically performed to shift energy consumption from periods of high energy costs to periods of low energy costs. In the case of a DR event, energy is diverted from the DR event period to periods outside the DR eve...

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Abstract

Apparatus, systems, methods, and related computer program products for executing demand response (DR) events via smart networked thermostats associated with buildings. The disclosed system includes an energy management system operated with intelligent networked thermostats located in buildings. A thermostat is operable to control the HVAC system. Control during a DR event period may be performed based on an optimal control trajectory for the HVAC system, where the control trajectory is optimal in that it includes a first factor representing total energy consumption during a DR event period, representing occupancy A cost function for the combination of a second factor that is a measure of patient discomfort and a third factor that represents a dispersion of energy expenditure rates over a DR event period is minimized.

Description

[0001] related application [0002] This application claims priority to U.S. Serial No. 13 / 866,635, filed April 19, 2013, which claims the benefit and benefit of U.S. Serial No. 13 / 842,213, filed March 15, 2013 Continued in part, the entire contents of which are hereby incorporated by reference for all purposes. technical field [0003] This patent specification relates to systems, apparatus, methods, and related computer program products for controlling an HVAC system during a demand response event. More particularly, this patent specification relates to techniques for intelligently selecting and / or optimizing control trajectories for HVAC systems during demand response events. Background technique [0004] Utilities face ongoing challenges in meeting demand for electricity at all times. Facilities for generating electricity are generally adapted to supply a steady amount of electricity. However, the reason why consumer demand for electricity is often completely opposite...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/20
CPCG05D23/1904G05D23/1923F24F11/30F24F2140/60F24F2120/20F24F11/62F24F11/46G05B2219/2642F24F11/47F24F11/57F24F11/63F24F11/58Y02B70/3225Y04S20/222G05D23/1902F24F11/70
Inventor 松冈由纪马克·马尔霍特拉艾伦·J·米尼希马克·D·斯特凡斯基
Owner GOOGLE LLC
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