ES2539399B2 - Measurement method for a saturable sensor - Google Patents
Measurement method for a saturable sensor Download PDFInfo
- Publication number
- ES2539399B2 ES2539399B2 ES201331925A ES201331925A ES2539399B2 ES 2539399 B2 ES2539399 B2 ES 2539399B2 ES 201331925 A ES201331925 A ES 201331925A ES 201331925 A ES201331925 A ES 201331925A ES 2539399 B2 ES2539399 B2 ES 2539399B2
- Authority
- ES
- Spain
- Prior art keywords
- response
- excitation
- sensor
- saturable
- measurement method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000691 measurement method Methods 0.000 title abstract 2
- 230000005284 excitation Effects 0.000 abstract 5
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000009738 saturating Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Un método de medida para un sensor saturable (1) que incluye aplicar mediante un generador (20) al sensor (1): una primera excitación para obtener una primera respuesta y una segunda excitación para obtener una segunda respuesta. La primera excitación lleva al sensor (1) a los límites de su fondo de escala saturándolo. La segunda excitación comprende el estímulo a medir y la primera excitación. Mediante un procesador (30) se calcula una tercera respuesta que comprende comparar la segunda respuesta con respecto a la primera respuesta y analizar la diferencia para determinar la intensidad del estímulo medido. Con esto se consigue reducir notablemente el ruido en la medida. En una siguiente etapa se realiza la normalización de la tercera respuesta con la primera y segunda respuestas. Así es posible eliminar errores de medida por causas ambientales en sensores saturables en general y de sensores AMR en particular.A measurement method for a saturable sensor (1) which includes applying a generator (20) to the sensor (1): a first excitation to obtain a first response and a second excitation to obtain a second response. The first excitation takes the sensor (1) to the limits of its full scale saturating it. The second excitation comprises the stimulus to be measured and the first excitation. By means of a processor (30) a third response is calculated which comprises comparing the second response with respect to the first response and analyzing the difference to determine the intensity of the measured stimulus. With this it is possible to significantly reduce the noise in the measure. In a next stage, the third response is normalized with the first and second responses. Thus it is possible to eliminate measurement errors due to environmental causes in saturable sensors in general and AMR sensors in particular.
Description
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201331925A ES2539399B2 (en) | 2013-12-27 | 2013-12-27 | Measurement method for a saturable sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201331925A ES2539399B2 (en) | 2013-12-27 | 2013-12-27 | Measurement method for a saturable sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2539399A1 ES2539399A1 (en) | 2015-06-30 |
| ES2539399B2 true ES2539399B2 (en) | 2015-11-06 |
Family
ID=53476569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201331925A Expired - Fee Related ES2539399B2 (en) | 2013-12-27 | 2013-12-27 | Measurement method for a saturable sensor |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2539399B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537038A (en) * | 1988-12-15 | 1996-07-16 | Nkk Corporation | Magnetic flux measuring method and apparatus for detecting high frequency components of magnetic flux with high speed orientation |
| TW498166B (en) * | 1999-09-10 | 2002-08-11 | Tdk Corp | Magnetic sensor apparatus and current sensor |
| SE0102475D0 (en) * | 2001-07-10 | 2001-07-10 | Totalfoersvarets Forskningsins | Method of exploiting nonlinear dynamics in a fluxgate magnetometer and a low-power fluxgate magnetometer |
-
2013
- 2013-12-27 ES ES201331925A patent/ES2539399B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2539399A1 (en) | 2015-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 2539399 Country of ref document: ES Kind code of ref document: B2 Effective date: 20151106 |
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| FD2A | Announcement of lapse in spain |
Effective date: 20211004 |