FR2423817A1 - Capteur et comparateur de positions - Google Patents
Capteur et comparateur de positionsInfo
- Publication number
- FR2423817A1 FR2423817A1 FR7811633A FR7811633A FR2423817A1 FR 2423817 A1 FR2423817 A1 FR 2423817A1 FR 7811633 A FR7811633 A FR 7811633A FR 7811633 A FR7811633 A FR 7811633A FR 2423817 A1 FR2423817 A1 FR 2423817A1
- Authority
- FR
- France
- Prior art keywords
- fine control
- servo
- sensors
- comparison circuit
- relatively moving
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/12—Measuring arrangements characterised by the use of fluids for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Position Or Direction (AREA)
Abstract
Procédé et dispositif pour capteur et comparateur, applicable aux asservissements de position. Le capteur traduit la position d'un organe mobile en rotation ou translation. Il émet en permanence au moins quatre signaux variant périodiquement avec la position du capteur, et déphasés de pi /2 . On compare les signaux qui sont normalement en phase lorsque l'écart entre les deux capteurs est nul et on redresse leur différence à l'aide des signaux situés à plus et moins pi /2. En version pneumatique les capteurs émettent des pressions, le signal de sortie du comparateur est un déplacement de pièce de part et d'autre d'une position 0. Procédé et dispositif utilisables sur les machines comportant des asservissements de position, télé-manipulateurs, positionneurs, machines de chargement, robots industriels, manutention automatique.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7811633A FR2423817A1 (fr) | 1978-04-17 | 1978-04-17 | Capteur et comparateur de positions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7811633A FR2423817A1 (fr) | 1978-04-17 | 1978-04-17 | Capteur et comparateur de positions |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2423817A1 true FR2423817A1 (fr) | 1979-11-16 |
Family
ID=9207362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7811633A Withdrawn FR2423817A1 (fr) | 1978-04-17 | 1978-04-17 | Capteur et comparateur de positions |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2423817A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2654369A1 (fr) * | 1989-11-14 | 1991-05-17 | Amada Co Ltd | Procede et appareil de detection des angles de cintrage de feuilles metalliques et procede de cintrage. |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070700A (en) * | 1958-02-24 | 1962-12-25 | Heir Thea Budnick | Process and device for reducing scanning and indexing errors of fine divisions |
US3416358A (en) * | 1966-07-04 | 1968-12-17 | British Telecomm Res Ltd | Fluid sensors |
US3487399A (en) * | 1964-04-11 | 1969-12-30 | Wenczler & Heidenhain | Apparatus for measuring of lengths by means of impulse counting |
US3541839A (en) * | 1968-07-15 | 1970-11-24 | Singer General Precision | Fluidic position sensor |
US3809895A (en) * | 1971-10-13 | 1974-05-07 | J Taisne | Systems for measuring displacements |
-
1978
- 1978-04-17 FR FR7811633A patent/FR2423817A1/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070700A (en) * | 1958-02-24 | 1962-12-25 | Heir Thea Budnick | Process and device for reducing scanning and indexing errors of fine divisions |
US3487399A (en) * | 1964-04-11 | 1969-12-30 | Wenczler & Heidenhain | Apparatus for measuring of lengths by means of impulse counting |
US3416358A (en) * | 1966-07-04 | 1968-12-17 | British Telecomm Res Ltd | Fluid sensors |
US3541839A (en) * | 1968-07-15 | 1970-11-24 | Singer General Precision | Fluidic position sensor |
US3809895A (en) * | 1971-10-13 | 1974-05-07 | J Taisne | Systems for measuring displacements |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2654369A1 (fr) * | 1989-11-14 | 1991-05-17 | Amada Co Ltd | Procede et appareil de detection des angles de cintrage de feuilles metalliques et procede de cintrage. |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |