Patent · US Active

Pseudo-absolute position sensing algorithm

US9927258B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

Eaton Corporation · US

Inventors

Derek Paul Dougherty · Fruitport, US
John Mendenhall White · Strasburg, US
Andrew Thompson · Ada, US

Key dates

Filing date	Mar 14, 2013
Grant date	Mar 27, 2018
Priority date	—
Expiry date	Feb 20, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A system having a position sensing algorithm for determining a position of an electro-mechanical actuator (EMA) stroke includes a first rotary component supported for rotation about a first axis, and a second rotary component supported for rotation about a second axis. A first rotary encoder may be configured to generate an output based on an angular position of the first rotary component, and a second rotary encoder may be configured to generate an output based on an angular position of the second rotary component. The first and second rotary components may define a ratio such that the first and second rotary encoders generate unique combinations of outputs for an entire stroke of an EMA. A decoder may be provided having a position sensing algorithm that determines a position of the EMA stroke based on the ratio between first and second rotary components and outputs from first and second encoders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.