Patent ID: 11861741
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: IT methods for management (Electrical engineering)
Classification: CPC G  F | IPC F  G

Claim 18:
19. A controller for cost optimal operation of equipment, the controller configured to:
provide a cost function comprising a cost term defining a cost over an optimization period as a function of a rate variable and an equipment usage variable;
perform an online optimization of the cost function with the rate variable set to a first value to generate one or more setpoints for the equipment;
operate the equipment during a first portion of the optimization period in accordance with the one or more setpoints generated by performing the online optimization;
update the first value of the rate variable to a second value of the rate variable in response to an actual amount of the equipment usage variable used during the first portion of the optimization period differing from an expected amount of the equipment usage variable used during the first portion of the optimization period; and
operate the equipment during a second portion of the optimization period in accordance with one or more setpoints generated using the second value of the rate variable.