Method of calibrating a measurement sensor
US8370099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2009 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Oct 17, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/145
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Method of calibrating an angular sensor includes a transducer for converting a real value of a physical quantity (φ), lying within an overall range of variations, into an electrical signal (VS1) according to a first predefined function f1(VS1=cos 2φ+OB1) having a factor (OB1) liable to drift according to an external condition, the method including a first step of measuring known values of the physical quantity within the overall range of variations and with at least two values of an external condition, a step of determining a set of correcting parameters, a second step of measuring a known additional value of the physical quantity chosen in a restricted range of variations, and a step of adjusting the set of correcting parameters from the second measurement step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.