WO2007082800A1 - Verfahren zur erweiterung des messbereichs einer messeinrichtung und messeinrichtung - Google Patents
Verfahren zur erweiterung des messbereichs einer messeinrichtung und messeinrichtung Download PDFInfo
- Publication number
- WO2007082800A1 WO2007082800A1 PCT/EP2007/050091 EP2007050091W WO2007082800A1 WO 2007082800 A1 WO2007082800 A1 WO 2007082800A1 EP 2007050091 W EP2007050091 W EP 2007050091W WO 2007082800 A1 WO2007082800 A1 WO 2007082800A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measuring device
- speed
- antenna
- oscillation
- measuring
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
Definitions
- the invention relates to a method for extending the measuring range of a measuring device with an antenna for detecting a speed and / or a path, in particular ⁇ sondere a rail vehicle over ground on the basis of the double effect, as well as a measuring device for carrying out the method.
- the following description relates essentially to the use of Doppler radar sensors in the speed and / or path determination of rail vehicles, without the invention being restricted to this particular application.
- the invention can be used for any relative movements, for example in industrial manufacturing processes or vehicles of all kinds.
- Modern train control systems require accurate He ⁇ mediation of the path and / or the speed of the trains.
- Traditional speed measuring methods are based on wheel encoders. These generate a defined number of pulses with each revolution of the wheel. The evaluation of the time intervals between these pulses leads to a keitswert VELOCITY ⁇ . Slip during starting or braking, blocking during the braking operation and a Doomed by wear ⁇ gently change the wheel circumference can, however, the measured overall speed inadequate distort. To verify the measured value and to increase the safety, the revolutions are usually driven by two possible ⁇ not be detected and braked wheels. Increasingly, one becomes the two wheel pulse generator replaced by a Doppler radar sensor.
- the position encoder has also been indispensable from a safety ⁇ technical point of view.
- the Wegimpulsgeber In addition to the detection of a very low speed or a standstill of the train, the Wegimpulsgeber also serves for Ausfalloffenba ⁇ tion of the Doppler radar sensor.
- the invention has for its object to provide a method for extending the measuring range of a measuring device of the generic type, which makes the use of an additional Wegimpulsgebers dispensable.
- the object is to modify a measuring device for carrying out the method.
- the object is achieved in that the at ⁇ antenna is set in oscillating motion and the Ge ⁇ is determined speed and / or the path by linking a gemes ⁇ Senen signal with an oscillation signal. Since the measuring device is constructed safely by signal technology can, with any failures are immediately disclosed in the measuring section, it is possible to dispense with an additional sensor, in particular Wegimpulsgeber. The accuracy of the travel / speed detection can be increased, since the above-mentioned influences, in particular by the wheel slippage ⁇ omitted. In this way, the Leis ⁇ will ultimately increase processing capacity of the train control systems.
- the oscillating movement of the antenna is preferably generated according to claim 2 mechanically, piezoelectrically, magnetoelectrically or hydraulically.
- the oscillating movement takes place preferably in the form of vibrations parallel to the direction of movement of the rail vehicle.
- the parallelism results in a simplification of the combination of the measured signal with the oscillation signal.
- the speed can be determined according to claim 4 from the difference of a measured speed and an oscillation ⁇ speed.
- the evaluation can also be based on the route information.
- the oscillation, the oscillation of the antenna that is aligned with it in the direction of movement of the rail vehicle, whereby the Messeinrich ⁇ tung measured speed and the system-specific Os ⁇ zillations für than simple scalar quantities be ⁇ can be seeks.
- the system-specific oscillation is predetermined frequency and amplitude with respect to claim 5 wherein a fixed ⁇ A position of these values or a Ü by the speed over ground-controlled adjustment provided in an order according to, wherein the response of the measuring device is exceeded. In this way, it is ensured that an evaluable total signal is generated even when the rail vehicle is stationary.
- a measuring device for carrying out the method is equipped according to claim 6 with an oscillating antenna and an evaluation device for combining the measured signal with the oscillation signal.
- the invention is based on a figurative Darge ⁇ presented embodiment explained in more detail.
- the sole figure shows the operation of the inventive SEN method for extending the measuring range of a measuring means on the basis of the ⁇ Dopplereffketes in a schematic representation.
- a vehicle F that moves at a speed v fzg over ground G.
- a Doppler antenna D is mounted, which is connected to an evaluation device A.
- the Doppler antenna D and the evaluation device A are the most essential components of the measuring device designed as a Doppler radar sensor.
- the Doppler antenna D is transformed into an oscillating motion v osc with a specific frequency and specific amplitude. puts.
- a osz v is the measured speed v measuring the oscillation drawn from ⁇ and from the vehicle speed v fzg determined over ground G.
- the measured velocity V measured results from the correlation of the k a Doppler antenna D till ⁇ radiated signal with a reflected from the ground G, received by the antenna D Doppler signal F received.
- the evaluation can also be done on the basis of the route information.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07703651A EP1974230A1 (de) | 2006-01-16 | 2007-01-04 | Verfahren zur erweiterung des messbereichs einer messeinrichtung und messeinrichtung |
BRPI0707110-8A BRPI0707110A2 (pt) | 2006-01-16 | 2007-01-04 | método para estender a faixa de medição de um dispositivo de medição e dispositivo de medição correspondente |
NO20083429A NO20083429L (no) | 2006-01-16 | 2008-08-05 | Fremgangsmate for utvidelse av maleomradet til en maleinnretning,og maleinnretning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006002609.8 | 2006-01-16 | ||
DE102006002609A DE102006002609B4 (de) | 2006-01-16 | 2006-01-16 | Verfahren zur Erweiterung des Messbereichs eines Dopplerradarsensors und Vorrichtung zur Durchführung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007082800A1 true WO2007082800A1 (de) | 2007-07-26 |
Family
ID=37909650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/050091 WO2007082800A1 (de) | 2006-01-16 | 2007-01-04 | Verfahren zur erweiterung des messbereichs einer messeinrichtung und messeinrichtung |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1974230A1 (de) |
KR (1) | KR20080089480A (de) |
CN (1) | CN101375179A (de) |
AR (1) | AR058997A1 (de) |
BR (1) | BRPI0707110A2 (de) |
DE (1) | DE102006002609B4 (de) |
NO (1) | NO20083429L (de) |
TW (1) | TW200739116A (de) |
WO (1) | WO2007082800A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018218606A1 (de) * | 2018-10-30 | 2020-04-30 | Continental Automotive Gmbh | Doppler-Radar-Sensorvorrichtung, Fahrzeugelement mit einer derartigen Doppler-Radar-Sensorvorrichtung sowie Fahrzeug mit einem derartigen Fahrzeugelement |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203113A (en) * | 1975-02-24 | 1980-05-13 | Baghdady Elie J | Radar method and apparatus |
US4204113A (en) | 1977-09-16 | 1980-05-20 | Georges Giraud | System for keeping account of predetermined homogenous units |
US4216473A (en) | 1978-11-16 | 1980-08-05 | The Singer Company | MIPS Hover attachment |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1338081A (en) * | 1971-04-27 | 1973-11-21 | Thorne T G | Doppler navigation radar equipment |
-
2006
- 2006-01-16 DE DE102006002609A patent/DE102006002609B4/de not_active Expired - Fee Related
-
2007
- 2007-01-04 KR KR1020087019791A patent/KR20080089480A/ko not_active Application Discontinuation
- 2007-01-04 BR BRPI0707110-8A patent/BRPI0707110A2/pt not_active IP Right Cessation
- 2007-01-04 CN CNA2007800031474A patent/CN101375179A/zh active Pending
- 2007-01-04 EP EP07703651A patent/EP1974230A1/de not_active Withdrawn
- 2007-01-04 WO PCT/EP2007/050091 patent/WO2007082800A1/de active Application Filing
- 2007-01-12 AR ARP070100142A patent/AR058997A1/es active IP Right Grant
- 2007-01-12 TW TW96101183A patent/TW200739116A/zh unknown
-
2008
- 2008-08-05 NO NO20083429A patent/NO20083429L/no not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203113A (en) * | 1975-02-24 | 1980-05-13 | Baghdady Elie J | Radar method and apparatus |
US4204113A (en) | 1977-09-16 | 1980-05-20 | Georges Giraud | System for keeping account of predetermined homogenous units |
US4216473A (en) | 1978-11-16 | 1980-08-05 | The Singer Company | MIPS Hover attachment |
Also Published As
Publication number | Publication date |
---|---|
EP1974230A1 (de) | 2008-10-01 |
TW200739116A (en) | 2007-10-16 |
NO20083429L (no) | 2008-08-05 |
KR20080089480A (ko) | 2008-10-06 |
BRPI0707110A2 (pt) | 2011-04-19 |
DE102006002609B4 (de) | 2008-07-24 |
CN101375179A (zh) | 2009-02-25 |
AR058997A1 (es) | 2008-03-05 |
DE102006002609A1 (de) | 2007-07-26 |
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