Invention Grant
- Patent Title: Sensor fusion of acceleration sensor and air pressure sensor information to estimate elevator floor level and position
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Application No.: US16367696Application Date: 2019-03-28
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Publication No.: US10822199B2Publication Date: 2020-11-03
- Inventor: Derk Oscar Pahlke , Tadeusz Pawel Witczak , Craig Drew Bogli , Yrinee Michaelidis
- Applicant: OTIS ELEVATOR COMPANY
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: G01C5/06
- IPC: G01C5/06 ; B66B5/00 ; B66B1/34 ; B66B25/00 ; G01W1/02
Abstract:
A method of monitoring a conveyance apparatus within a conveyance system including: detecting a first atmospheric air pressure within the conveyance system proximate the conveyance apparatus; detecting a second atmospheric air pressure within the conveyance system proximate the conveyance apparatus; determining a change in atmospheric air pressure proximate the conveyance apparatus in response to the first atmospheric air pressure and the second atmospheric air pressure within the conveyance system; and determining at least one of a location of the conveyance apparatus and a direction of motion of the conveyance apparatus within the conveyance system in response to at least the first atmospheric air pressure and the second atmospheric air pressure.
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