CA2294299A1 - Process for reducing bias error in a vibrating structure sensor - Google Patents
Process for reducing bias error in a vibrating structure sensor Download PDFInfo
- Publication number
- CA2294299A1 CA2294299A1 CA002294299A CA2294299A CA2294299A1 CA 2294299 A1 CA2294299 A1 CA 2294299A1 CA 002294299 A CA002294299 A CA 002294299A CA 2294299 A CA2294299 A CA 2294299A CA 2294299 A1 CA2294299 A1 CA 2294299A1
- Authority
- CA
- Canada
- Prior art keywords
- primary
- vibrating structure
- pick
- output signal
- secondary pick
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims description 19
- 230000008569 process Effects 0.000 title claims description 11
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000004044 response Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/567—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using the phase shift of a vibration node or antinode
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9714515A GB2327265B (en) | 1997-07-11 | 1997-07-11 | Process for reducing bias error in a vibrating structure sensor |
| GB9714515.5 | 1997-07-11 | ||
| PCT/GB1998/002057 WO1999002942A2 (en) | 1997-07-11 | 1998-07-13 | Process for reducing bias error in a vibrating structure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2294299A1 true CA2294299A1 (en) | 1999-01-21 |
Family
ID=10815629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002294299A Abandoned CA2294299A1 (en) | 1997-07-11 | 1998-07-13 | Process for reducing bias error in a vibrating structure sensor |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1012538B1 (enExample) |
| JP (1) | JP4303882B2 (enExample) |
| KR (1) | KR20010021690A (enExample) |
| AT (1) | ATE247817T1 (enExample) |
| AU (1) | AU736437B2 (enExample) |
| CA (1) | CA2294299A1 (enExample) |
| DE (1) | DE69817375T2 (enExample) |
| ES (1) | ES2205520T3 (enExample) |
| GB (1) | GB2327265B (enExample) |
| WO (1) | WO1999002942A2 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6272925B1 (en) | 1999-09-16 | 2001-08-14 | William S. Watson | High Q angular rate sensing gyroscope |
| GB0008365D0 (en) | 2000-04-06 | 2000-05-24 | British Aerospace | Control syste for a vibrating structure gyroscope |
| JP2004085314A (ja) * | 2002-08-26 | 2004-03-18 | Sumitomo Precision Prod Co Ltd | 振動型ジャイロセンサ |
| GB0227098D0 (en) | 2002-11-20 | 2002-12-24 | Bae Systems Plc | Method of calibrating bias drift with temperature for a vibrating structure gyroscope |
| US7240533B2 (en) | 2004-02-04 | 2007-07-10 | Bae Systems Plc | Method for reducing bias error in a vibrating structure gyroscope |
| DE102005043025B4 (de) * | 2005-09-09 | 2014-07-31 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Ermitteln einer Drehrate |
| DE102005043559A1 (de) | 2005-09-12 | 2007-03-15 | Siemens Ag | Verfahren und Anordnung zur Überwachung einer Sensoranordnung |
| DE102005043560A1 (de) | 2005-09-12 | 2007-03-15 | Siemens Ag | Verfahren zum Betrieb eines Vibrationskreisels und Sensoranordnung |
| DE102005043592A1 (de) | 2005-09-12 | 2007-03-15 | Siemens Ag | Verfahren zum Betrieb eines Vibrationskreisels und Sensoranordnung |
| KR100814577B1 (ko) * | 2006-09-07 | 2008-03-17 | 두산인프라코어 주식회사 | 자이로 누적 오차의 신호처리 방법 |
| US7801694B1 (en) | 2007-09-27 | 2010-09-21 | Watson Industries, Inc. | Gyroscope with temperature compensation |
| WO2009119204A1 (ja) * | 2008-03-25 | 2009-10-01 | 住友精密工業株式会社 | 圧電体膜を用いた振動ジャイロ |
| EP2267407A4 (en) * | 2008-03-25 | 2016-03-09 | Sumitomo Precision Prod Co | VIBRATORY GYROSCOPE USING PIEZOELECTRIC FILM |
| GB201120536D0 (en) | 2011-11-29 | 2012-01-11 | Atlantic Inertial Systems Ltd | Fault detection using skewed transducers |
| EP3112804B1 (en) * | 2014-02-26 | 2020-05-06 | Sumitomo Precision Products Co., Ltd. | Vibration-type angular velocity sensor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8917223D0 (en) * | 1989-07-29 | 1990-04-25 | British Aerospace | Attitude sensor |
| GB9027992D0 (en) * | 1990-12-22 | 1991-02-13 | British Aerospace | Piezo-electric sensors |
| GB2272053B (en) * | 1992-11-03 | 1996-02-07 | Marconi Gec Ltd | A solid state vibrational gyroscope |
-
1997
- 1997-07-11 GB GB9714515A patent/GB2327265B/en not_active Revoked
-
1998
- 1998-07-13 ES ES98933784T patent/ES2205520T3/es not_active Expired - Lifetime
- 1998-07-13 EP EP98933784A patent/EP1012538B1/en not_active Expired - Lifetime
- 1998-07-13 AU AU83483/98A patent/AU736437B2/en not_active Ceased
- 1998-07-13 CA CA002294299A patent/CA2294299A1/en not_active Abandoned
- 1998-07-13 JP JP2000502379A patent/JP4303882B2/ja not_active Expired - Lifetime
- 1998-07-13 DE DE69817375T patent/DE69817375T2/de not_active Expired - Lifetime
- 1998-07-13 KR KR1020007000249A patent/KR20010021690A/ko not_active Abandoned
- 1998-07-13 WO PCT/GB1998/002057 patent/WO1999002942A2/en not_active Ceased
- 1998-07-13 AT AT98933784T patent/ATE247817T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1012538A2 (en) | 2000-06-28 |
| ES2205520T3 (es) | 2004-05-01 |
| AU8348398A (en) | 1999-02-08 |
| WO1999002942A2 (en) | 1999-01-21 |
| JP4303882B2 (ja) | 2009-07-29 |
| DE69817375D1 (de) | 2003-09-25 |
| KR20010021690A (ko) | 2001-03-15 |
| GB2327265A (en) | 1999-01-20 |
| EP1012538B1 (en) | 2003-08-20 |
| WO1999002942A3 (en) | 2000-04-27 |
| GB9714515D0 (en) | 1997-09-17 |
| AU736437B2 (en) | 2001-07-26 |
| JP2001509588A (ja) | 2001-07-24 |
| GB2327265B (en) | 2001-07-18 |
| DE69817375T2 (de) | 2004-04-01 |
| ATE247817T1 (de) | 2003-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |