Systems and methods for measuring and verifying energy usage in a building
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06Q-010/06
G01R-021/00
출원번호
US-0485682
(2012-05-31)
등록번호
US-9390388
(2016-07-12)
발명자
/ 주소
Drees, Kirk H.
Kummer, James P.
Wenzel, Michael J.
출원인 / 주소
Johnson Controls Technology Company
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
1인용 특허 :
196
초록▼
A computerized method of determining the end of a measurement and verification period of a building management system is provided. The method includes calculating, for a plurality of periods, a target amount of energy savings resulting from energy conservation measures in a building. The method furt
A computerized method of determining the end of a measurement and verification period of a building management system is provided. The method includes calculating, for a plurality of periods, a target amount of energy savings resulting from energy conservation measures in a building. The method further includes calculating, for a plurality of periods, a least amount of energy savings resulting from energy conservation measures in a building. The method further includes comparing the target amount to the least amount. The method further includes ending the measurement and verification period, before the end of a maximum measurement and verification period, when the least amount is greater than the target amount. The method further includes outputting an indication that the measurement and verification period has ended to at least one of a memory device, a user device, or another device on the building management system.
대표청구항▼
1. A computerized method for determining the end of a measurement and verification period in a building management system, the method comprising: calculating, for a plurality of periods, a target amount of energy savings predicted to result from energy conservation measures in a building, the target
1. A computerized method for determining the end of a measurement and verification period in a building management system, the method comprising: calculating, for a plurality of periods, a target amount of energy savings predicted to result from energy conservation measures in a building, the target amount representing a threshold energy savings which, if achieved, causes the building management system to end the measurement and verification period;measuring an actual energy usage of the building during the measurement and verification period using one or more energy meters, the measured actual energy usage resulting from the energy conservation measures;calculating, for a plurality of periods, a least amount of energy savings resulting from the energy conservation measures in the building, wherein the least amount is a lower confidence bound on an actual amount of energy savings resulting from the energy conservation measures and is calculated using the measured actual energy usage;comparing the target amount to the least amount;determining a recommendation to end the measurement and verification period, before the normal end of a maximum measurement and verification period, in response to the least amount being greater than the target amount;determining a recommendation to continue the measurement and verification period, in response to the least amount being less than the target amount, to determine whether the previous energy conservation measures will achieve the target amount of energy savings in the future;outputting an indication of the recommendation to at least one of: a memory device, a user device, and another device of the building management system; andin response to a recommendation to end the measurement and verification period, causing the building management system to automatically stop a measurement and verification process before the normal end of the measurement and verification period. 2. The method of claim 1, further compromising continuing the measurement and verification period for at least one full cycle, wherein a full cycle comprises a plurality of periods. 3. The method of claim 1, further comprising providing a user interface for allowing an operator of the building management system to set or adjust the target amount. 4. The method of claim 1, wherein ending the measurement and verification period does not require user input of the ending to be received from an operator of the building management system. 5. The method of claim 1, wherein calculating the least amount comprises: calculating a mathematical uncertainty in an estimated amount energy usage for a building without energy conservation measures;calculating an actual amount of energy savings resulting from energy conservation measures in a building; andcalculating a least amount by subtracting the uncertainty from the actual amount. 6. The method of claim 5, wherein calculating an actual amount of energy savings comprises: calculating an estimated amount energy usage for a building without energy conservation measures;measuring an actual amount of energy usage for the building with energy conservation measures; andcalculating an actual amount of energy savings by subtracting actual amount of energy usage from the estimated amount of energy usage. 7. The method of claim 5, further comprising outputting a graphical display of at least one of a mathematical uncertainty, an actual amount of energy savings, a least amount of energy savings, or a target amount of energy savings to at least one of a memory device, a user device, or another device on the building management system. 8. The method of claim 1, further comprising: calculating, for a plurality of periods, a greatest amount of energy savings resulting from energy conservation measures in a building;comparing the target amount to the greatest amount; anddetermining a recommendation to end the measurement and verification period, before the normal end of a maximum measurement and verification period, in response to the greatest amount being less than the target amount;outputting an indication of the recommendation to at least one of: a memory device, a user device, and another device of the building management system. 9. A computerized method for determining the end of a measurement and verification period in a building management system, the method comprising: calculating, for a plurality of periods, a target amount of energy savings predicted to result from energy conservation measures in a building, the target amount representing a threshold energy savings which, if achieved, causes the building management system to end the measurement and verification period;measuring an actual energy usage of the building during the measurement and verification period using one or more energy meters, the measured actual energy usage resulting from the energy conservation measures;calculating, for a plurality of periods, a greatest amount of energy savings resulting from the energy conservation measures in the building, wherein the greatest amount is an upper confidence bound on an actual amount of energy savings resulting from the energy conservation measures and is calculated using the measured actual energy usage;comparing the target amount to the greatest amount;determining a recommendation to end the measurement and verification period, before the normal end of a maximum measurement and verification period, in response to the greatest amount being less than the target amount;determining a recommendation to continue the measurement and verification period, in response to the greatest amount being greater than the target amount, to determine whether the previous energy conservation measures will achieve the target amount of energy savings in the future;outputting an indication of the recommendation to at least one of: a memory device, a user device, and another device of the building management system; andin response to a recommendation to end the measurement and verification period, causing the building management system to automatically stop a measurement and verification process before the normal end of the measurement and verification period. 10. A system for determining the end of a measurement and verification period of a building management system, the system comprising: one or more energy meters configured to measure an actual energy usage of a building resulting from energy conservation measures in the building; anda controller comprising a processing circuit configured to calculate, for a plurality of periods, a target amount of energy savings predicted to result from the energy conservation measures in the building, the target amount representing a threshold energy savings which, if achieved, causes the building management system to end the measurement and verification period;wherein the processing circuit is further configured to calculate, for a plurality of periods, a least amount of energy savings resulting from the energy conservation measures in the building, wherein the least amount is a lower confidence bound on an actual amount of energy savings resulting from the energy conservation measures and is calculated using the measured actual energy usage;wherein the processing circuit is further configured to compare the target amount to the least amount;wherein the processing circuit is further configured to determine a recommendation to end the measurement and verification period, before the normal end of a maximum measurement and verification period, in response to the least amount is greater than the target amount;wherein the processing circuit is further configured to determine a recommendation to continue the measurement and verification period, in response to the least amount being less than the target amount, to determine whether the previous energy conservation measures will achieve the target amount of energy savings in the future;wherein the processing circuit is further configured to output the recommendation to at least one of: a memory device, a user device, or another device on the building management system; andwherein the processing circuit is further configured to cause, in response to a recommendation to end the measurement and verification period, the building management system to automatically stop a measurement and verification process before the normal end of the measurement and verification period. 11. The system of claim 10, wherein the processing circuit is further configured to continue the measurement and verification period for at least one full cycle, wherein a full cycle comprises a plurality of periods. 12. The system of claim 10, wherein the processing circuit is further configured to provide a user interface for allowing an operator of the building management system to set or adjust the target amount. 13. The system of claim 10, wherein ending the measurement and verification period does not require user input of the ending to be received from an operator of the building management system. 14. The system of claim 10, wherein calculating the least amount comprises: calculating a mathematical uncertainty in an estimated amount energy usage for a building without energy conservation measures;calculating an actual amount of energy savings resulting from energy conservation measures in a building; andcalculating a least amount by subtracting the uncertainty from the actual amount. 15. The system of claim 10, wherein calculating an actual amount of energy savings comprises: calculating an estimated amount energy usage for a building without energy conservation measures;measuring an actual amount of energy usage for the building with energy conservation measures; andcalculating an actual amount of energy savings by subtracting actual amount of energy usage from the estimated amount of energy usage. 16. The system of claim 10, wherein the processing circuit is further configured to output a graphical display of at least one of a mathematical uncertainty, an actual amount of energy savings, a least amount of energy savings, or a target amount of energy savings to at least one of a memory device, a user device, or another device on the building management system. 17. Non-transitory computer-readable storage media with computer-executable instructions embodied thereon that when executed by a computer system perform a method for use with a building management system in a building, wherein the instructions comprise: instructions for calculating, for a plurality of periods, a target amount of energy savings predicted to result from energy conservation measures in a building, the target amount representing a threshold energy savings which, if achieved, causes the building management system to end the measurement and verification period;instructions for measuring an actual energy usage of the building during the measurement and verification period using one or more energy meters, the measured actual energy usage resulting from the energy conservation measures;instructions for calculating, for a plurality of periods, a least amount of energy savings resulting from the energy conservation measures in the building, wherein the least amount is a lower confidence bound on an actual amount of energy savings resulting from the energy conservation measures and is calculated using the measured actual energy usage;instructions for comparing the target amount to the least amount;instructions for determining a recommendation to end the measurement and verification period, before the end of a maximum measurement and verification period, in response to the least amount being greater than the target amount;instructions for determining a recommendation to continue the measurement and verification period, in response to the least amount being less than the target amount, to determine whether the previous energy conservation measures will achieve the target amount of energy savings in the future;instructions for outputting the recommendation to at least one of: a memory device, a user device, and another device on the building management system; andinstructions for causing, in response to a recommendation to end the measurement and verification period, the building management system to automatically stop a measurement and verification process before the normal end of the measurement and verification period. 18. The non-transitory computer-readable storage media of claim 17, wherein the instructions further comprise: instructions for continuing the measurement and verification period for at least one full cycle, wherein a full cycle comprises a plurality of periods. 19. The non-transitory computer-readable storage media of claim 17, wherein the instructions further comprise: instructions for providing a user interface for allowing an operator of the building management system to set or adjust the target amount. 20. The non-transitory computer-readable storage media of claim 17, wherein the instructions for ending the measurement and verification period does not require user input of the ending to be received from an operator of the building management system. 21. The non-transitory computer-readable storage media of claim 17, wherein the instructions for calculating the least amount comprises: instructions for calculating a mathematical uncertainty in an estimated amount energy usage for a building without energy conservation measures;instructions for calculating an actual amount of energy savings resulting from energy conservation measures in a building; andinstructions for calculating a least amount by subtracting the uncertainty from the actual amount. 22. The non-transitory computer-readable storage media of claim 17, wherein the instructions for calculating an actual amount of energy savings comprises: instructions for calculating an estimated amount energy usage for a building without energy conservation measures;instructions for measuring an actual amount of energy usage for the building with energy conservation measures; andinstructions for calculating an actual amount of energy savings by subtracting actual amount of energy usage from the estimated amount of energy usage. 23. The non-transitory computer-readable storage media of claim 17, wherein the instructions further comprise: instructions for outputting a graphical display of at least one of a mathematical uncertainty, an actual amount of energy savings, a least amount of energy savings, or a target amount of energy savings to at least one of a memory device, a user device, or another device on the building management system.
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