Patent ID: 11964846
Assignee: OTIS ELEVATOR COMPANY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. A sensor system for monitoring a conveyance system, the sensing apparatus comprising:
a sync sensor located along a pathway of a conveyance apparatus of a conveyance system;
an inertial measurement unit configured to detect the sync sensor and measure accelerations of the conveyance apparatus of the conveyance system along an X axis, a Y axis, and a Z axis; and
a controller configured to analyze the accelerations and determine a position of the conveyance apparatus along the pathway;
wherein the controller is configured to determine the position of the conveyance apparatus along the pathway by monitoring the acceleration of the conveyance apparatus along the Z axis from the first point in time to a second point in time and determining a first distance away from the sync sensor along the path of the conveyance apparatus in response to the acceleration of the conveyance apparatus along the Z axis and a period of time between the first point in time and the second point in time.