WO2005001383A1 - Drehratensensor mit einem vibrationskreisel - Google Patents
Drehratensensor mit einem vibrationskreisel Download PDFInfo
- Publication number
- WO2005001383A1 WO2005001383A1 PCT/EP2004/051054 EP2004051054W WO2005001383A1 WO 2005001383 A1 WO2005001383 A1 WO 2005001383A1 EP 2004051054 W EP2004051054 W EP 2004051054W WO 2005001383 A1 WO2005001383 A1 WO 2005001383A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rate sensor
- data
- rotation rate
- sensor according
- volatile memory
- Prior art date
Links
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
Definitions
- the invention relates to a rotation rate sensor with a vibration gyro, in which circuits are provided for operating the vibration gyro and for deriving a rotation rate signal, which access changeable data.
- rotation rate sensors have become known in which a vibration gyro is excited in two axes radially aligned with respect to a main axis, for which purpose a primary and a secondary control loop with corresponding transducers are provided on the vibration gyro.
- These control loops can contain different analog and digital circuits, the analog circuits and the vibratory gyro having tolerances, so that an adjustment is necessary at least during the manufacture of the rotation rate sensor.
- the individual circuits then access the stored data during later operation. It may also be necessary to adapt the properties of the yaw rate sensor to the intended use, for example by specifying parameter sets for filters.
- rotation rate sensor according to the invention in that the data are stored in a writable non-volatile memory and in that means are provided for reading out the data from the non-volatile memory after the rotation rate sensor is switched on.
- the non-volatile memory is preferably an EEPROM or a flash EEPROM.
- a further development of the rotation rate sensor according to the invention consists in that the data are divided into groups according to the way they are used and that measures for data backup are taken for each group. For data backup, it is preferably provided that a checksum for the data is formed for each group, stored in the non-volatile memory and used for checking when reading.
- the further training makes it possible to differentiate the data of the individual groups independently of one another
- the comparison data can be compared
- End of the manufacturing process are stored in the non-volatile memory, while parameter sets which relate to the use of the rotation rate sensor, for example in which type of vehicle the rotation rate sensor is to be installed, are later stored by the user.
- All data which determine the function of the rotation rate sensor in any way can be stored in the non-volatile memory.
- adjustment data and / or parameter sets for filters and / or value limits are stored for a self-test of the rotation rate sensor.
- rotation rate sensor Another development of the rotation rate sensor according to the invention consists in that a software emulation program is also stored in the non-volatile memory.
- Figure 1 is a block diagram of a rotation rate sensor according to the invention.
- Figure 2 schematically shows the content of the non-volatile memory.
- the application example according to FIG. 1 represents a rotation rate sensor for a motor vehicle, with a vibration gyro 1, which is part of a sensor module 2.
- This has a series of circuits for operating the vibratory gyroscope and for evaluating the signals of the vibratory gyroscope, including a microcomputer 3.
- This is connected via a SPI bus 4 to a further microcomputer 5, which is also called the host below. From this, the rotation rate information reaches a via a CAN bus driver 6
- CAN bus 7 for forwarding to other systems in the motor vehicle.
- Data is stored in an EEPROM 8, which is read out when the rotation rate sensor is switched on and is kept available in working memories of the microcomputers 3 and 5 for access during operation.
- FIG. 2 shows the data stored in the EEPROM 8 in a highly simplified manner.
- adjustment data C1 to Cn are stored with an associated identifier IC and a checksum ChSC.
- Pl to Pn stored in EEPROM 8, which also includes an identifier IP and a checksum ChSP.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04741748A EP1639319A1 (de) | 2003-06-30 | 2004-06-08 | Drehratensensor mit einem vibrationskreisel |
US10/562,584 US7228251B2 (en) | 2003-06-30 | 2004-06-08 | Angular rate sensor having a vibration gyroscope |
JP2006518196A JP2009513943A (ja) | 2003-06-30 | 2004-06-08 | 振動ジャイロスコープを有する回転速度センサ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10329500.3 | 2003-06-30 | ||
DE10329500 | 2003-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005001383A1 true WO2005001383A1 (de) | 2005-01-06 |
Family
ID=33546760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/051054 WO2005001383A1 (de) | 2003-06-30 | 2004-06-08 | Drehratensensor mit einem vibrationskreisel |
Country Status (5)
Country | Link |
---|---|
US (1) | US7228251B2 (de) |
EP (1) | EP1639319A1 (de) |
JP (1) | JP2009513943A (de) |
KR (1) | KR20060069365A (de) |
WO (1) | WO2005001383A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1639315B1 (de) * | 2003-06-30 | 2009-11-25 | Continental Automotive GmbH | Verfahren zur überwachung eines drehratensensors |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4340719A1 (de) * | 1993-11-30 | 1995-06-01 | Siemens Ag | Schaltungsanordnung zum Auswerten der Signale eines Giergeschwindigkeitssensors |
US5617176A (en) * | 1994-03-15 | 1997-04-01 | Olympus Optical Co., Ltd. | Shake detecting and drift component removal apparatus |
DE4242557A1 (de) * | 1991-12-19 | 1997-10-16 | Motorola Inc | Integriertes monolithisches Gyroskop/Beschleunigungsmesser mit logischen Schaltkreisen |
EP1189025A2 (de) * | 2000-09-15 | 2002-03-20 | BEI Technologies, Inc. | Inertial-Drehratensensor und -verfahren mit eingebauter Prüfung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0461761B1 (de) | 1990-05-18 | 1994-06-22 | British Aerospace Public Limited Company | Trägheitssensoren |
US5826204A (en) | 1993-11-30 | 1998-10-20 | Siemens Aktiengesellschaft | Circuit configuration for evaluation of the signals from a yaw rate sensor |
US6647301B1 (en) * | 1999-04-22 | 2003-11-11 | Dow Global Technologies Inc. | Process control system with integrated safety control system |
FR2856789B1 (fr) * | 2003-06-27 | 2005-08-26 | Thales Sa | Gyrometre a masse vibrante |
-
2004
- 2004-06-08 US US10/562,584 patent/US7228251B2/en not_active Expired - Lifetime
- 2004-06-08 EP EP04741748A patent/EP1639319A1/de not_active Withdrawn
- 2004-06-08 WO PCT/EP2004/051054 patent/WO2005001383A1/de active Search and Examination
- 2004-06-08 JP JP2006518196A patent/JP2009513943A/ja active Pending
- 2004-06-08 KR KR1020057024981A patent/KR20060069365A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4242557A1 (de) * | 1991-12-19 | 1997-10-16 | Motorola Inc | Integriertes monolithisches Gyroskop/Beschleunigungsmesser mit logischen Schaltkreisen |
DE4340719A1 (de) * | 1993-11-30 | 1995-06-01 | Siemens Ag | Schaltungsanordnung zum Auswerten der Signale eines Giergeschwindigkeitssensors |
US5617176A (en) * | 1994-03-15 | 1997-04-01 | Olympus Optical Co., Ltd. | Shake detecting and drift component removal apparatus |
EP1189025A2 (de) * | 2000-09-15 | 2002-03-20 | BEI Technologies, Inc. | Inertial-Drehratensensor und -verfahren mit eingebauter Prüfung |
Also Published As
Publication number | Publication date |
---|---|
US7228251B2 (en) | 2007-06-05 |
KR20060069365A (ko) | 2006-06-21 |
US20060195290A1 (en) | 2006-08-31 |
JP2009513943A (ja) | 2009-04-02 |
EP1639319A1 (de) | 2006-03-29 |
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