Patent ID: 11952241
Assignee: OTIS ELEVATOR COMPANY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 1:
2. The elevator system of claim 1, wherein the controller is arranged to carry out a learning process, comprising the controller receiving measurements, over a first time period, representative of a load within the elevator car, and then, after the first time period ends, either:
the controller determining a predicted schedule of the maximum load in the elevator car over time; or
the controller sending the measurements representative of a load within the elevator car over the first time period to a cloud service, wherein the cloud service is configured to determine the predicted schedule of the maximum load in the elevator car over time, and send this predetermined schedule to the controller;
wherein the controller is arranged to control the mass variation system to vary the mass of the elevator counterweight according to the predicted schedule.