EP1175325A1 - Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effet - Google Patents
Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effetInfo
- Publication number
- EP1175325A1 EP1175325A1 EP00920294A EP00920294A EP1175325A1 EP 1175325 A1 EP1175325 A1 EP 1175325A1 EP 00920294 A EP00920294 A EP 00920294A EP 00920294 A EP00920294 A EP 00920294A EP 1175325 A1 EP1175325 A1 EP 1175325A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- track
- tuning
- current
- block
- voltage
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
Definitions
- the present invention relates to a method for enabling the measurement of the speed of a vehicle traveling on a railway type track.
- the present invention also relates to the installation intended for the implementation of this method.
- beacons which are arranged at known and fixed distances emit a signal.
- the vehicle passing close to this beacon detects using an antenna the passage above the first beacon and performs a time measurement until the passage of the second beacon.
- Speed is easily deduced from the known distance between the two beacons and the time taken by the vehicle to travel this distance.
- the beacons are placed at relatively large distances, and it is essentially a question of measuring average speeds over the distance traveled.
- This beacon emits a magnetic field, and by an antenna placed under the vehicle, this vehicle can detect the entry and exit of this magnetic field of influence. We deduce the time that the vehicle takes to cross the magnetic field of influence and we calculate the speed of the vehicle.
- This process has the disadvantage of having to have beacons along the tracks on a regular basis.
- An electrical joint is made up of two tuning blocks used for the energy coupling of the track sections adjacent to each tuning block and the short track distance located between these two tuning blocks (15 to 30 meters).
- the first tuning block serves as a transmitter at a given frequency while the second tuning block serves as a receiver at another frequency
- the functions of the electrical seal are on the one hand to prevent the propagation of the signal from a track circuit to the adjacent track circuit and on the other hand to couple the transmitter and the receiver with the way.
- the adjustment units include a capacitor, the value of which is chosen for the resonance adjustment, and a transformer, the coil of which is connected in series with the capacitor, a channel circuit signal transmitter or receiver being connected by the through a second transformer coil.
- the present invention aims to provide a solution that can offer the maximum security guarantees in the rail sense of the term in the measurement of a speed of a vehicle moving on a railway type track.
- the present invention aims more particularly to propose a method which allows an estimation of the average speed independently of the causes of errors due for example to the slip and the clutching of the axles, and which is based on detection at passage of a tra of joints separating the different track circuits.
- the present invention aims to provide a system which can overcome the placement of tags along the tracks.
- the present invention aims to use equipment already present which allows the location of the tra and which are constituted by track circuits with electrical seals.
- the present invention relates to a method for measuring the speed of a vehicle provided with an antenna and traveling on a track with two rails in the form of sections of track called "cantonments" separated by electrical joints, each electrical joint consisting of two tuning blocks and the predetermined track section located between them, each of the tuning blocks allowing energy coupling for the adjacent track section serving as cantonment, characterized in that at least two discontinuities in current or in voltage of the signal seen by an antenna present in the vehicle traveling on the track are detected near the regions of the first and second tuning blocks of the same electrical joint, in order to measure the speed of the vehicle traveling on the track.
- the first discontinuity is obtained when passing from the axle to the right of the first tuning block for the frequency of this first tuning block.
- the second discontinuity is obtained by exerting an electrical action at the frequency of the first tuning block.
- This second discontinuity is obtained by creating an electric or magnetic field in the region of the second tuning block.
- This electric or magnetic field is generated by means of a current proportional to the current emitted by the voltage injected at the first tuning block. This field is generated directly by the current emitted by said voltage.
- the electrical action is a voltage injected in series with the voltage at the second frequency of the second tuning block. This voltage injected in series is proportional to that which is injected into the first tuning block.
- the electrical action is the injection of a current into a voltage generator present in the second tuning block, this current flowing through a loop arranged between the rails, said current being proportional to the current emitted by the voltage injected at the first tuning block.
- the present invention also relates to an installation for implementing the method as described above, in which the track is organized in the form of cantonments separated by electrical seals, each electrical seal consisting of minus two tuning ûlocs and the short section of track between them.
- This installation comprises means for generating at least two discontinuities in current or in voltage in the signal seen by the antenna present in the vehicle traveling on the track near the regions of the first and second tuning olocs of the same electrical joint. .
- Figure 1 shows the equivalent electrical diagram of an electrical joint.
- 2 shows the equivalent diagram of a track circuit between two electrical seals as described in Figure 1.
- Figure 3 shows the influence of the axles on the current in the rails in front of the axles before the passage of the axle.
- Figure 4 shows the influence of the axles on the current in the rails after passing the axle.
- Figure 5 shows the diagram of the current in the rails in front of the axles according to the prior art.
- Figures 6, 7 and 8 show several different embodiments of one invention.
- FIG. 9 represents the diagram of the current in the rails in front of the axle according to the invention. Detailed description of several preferred embodiments of the invention
- An electrical seal as shown in Figure 1 consists of a first TU.Fl tuning block located on a first side (left), which will serve as an emitter in order to generate a voltage in the channel at the IF frequency and allows the energy coupling of this first side (left) of the channel adjacent to the tuning block.
- a second TU.F3 tuning block located at a distance of 15 to 30 meters, allows the energy coupling of the other part of the track
- This second tuning block serves as a receiver for a frequency F3. It could possibly also be a transmitter which would generate a voltage at the frequency F3.
- 2 shows a track circuit comprising several track sections organized in cantonments and separated by electrical joints each consisting of two tuning blocks coupled in pairs.
- the two tuning blocks TU.Fl and TU.Fl ' are equivalent to a capacity which achieves the tuning of the track section (block 1) between these two blocks, while the two blocks d 'TU.F3 and TU.F3 agreement' are equivalent to short circuits at this same frequency (FI).
- the function of the tuning blocks is then reversed.
- the passage of the axle 3 creates a shunt or short circuit between the rails 1 and 2. More specifically, the behavior of the current I generated at the frequency FI and present in the rail 1 in front of axle 3 is modified.
- FIG. 5 represents in detail the behavior of the current I in front of the axle, taking into account the position of the transmitter TU.Fl at the abscissa -18 m while TU.F3 serves as a reference (0).
- the present invention consists in creating a second discontinuity SU around the second tuning block TU.F3 and in using these two discontinuities occurring at a known distance in order to be able to calculate the average speed of the tram between the two positions where produce said discontinuities.
- the voltage V obtained by filtering the antenna signals in known manner will be proportional to the current I present in the rails upstream of the axle 3.
- This signal is received using at least one antenna of known type arranged upstream of the first axle 3.
- the signal is filtered at the frequency IF in order to allow detection of the two discontinuities 7 and 8 of the current I.
- One or more other signals at the frequency F3 or at other frequencies can also be used for the detection of other pairs of discontinuities appearing on other track circuits.
- a loop 4 between the rails 1 and 2 near the block TU.F3 constituting receiver and equivalent to a short circuit at frequency F3.
- This loop 4 is supplied by a current at the frequency FI which is preferably proportional to the current of the block TU.Fl. It is preferably connected in series with this block
- the magnetic field generated by the loop 4 creates the second discontinuity 8 necessary for the implementation of the method according to the present invention [0036]
- a voltage generator 5 at the frequency FI in series with the block TU.F3.
- the block TU.F3 is equivalent to a short circuit for the frequency IF.
- the generator 5 is preferably supplied from the supply of the block TU.Fl.
- the second discontinuity 8 will be obtained during the transition to the right to the TU.F3 block (abscissa 0), the voltage being proportional to that of the TU.Fl block (transmitter at the frequency FI).
- a current generator 6 is connected in parallel across the terminals of the block TU.F3.
- the current thus generated flows through the loop 9 disposed between the two rails 1 and 2, thus creating a detectable magnetic field at this location.
- the generator 6 at the frequency FI is advantageously arranged in series with the block TU.Fl and thus creates the second sought discontinuity 8.
- FIG. 9 shows the current I as a function of the distance traveled on the rails in positioning the TU.Fl block creating the first discontinuity at -18 m and the TU.F3 block creating the second discontinuity at point 0. It will be possible to detect a signal on board by filtering the antenna signals at the IF frequency and detect the presence of the two discontinuities 7 and 8, the descending sides of which are linked to the precise position of the blocks TU.Fl and TU.F3.
- the detection of these two detected discontinuities will be treated using a microprocessor, which makes it possible to define the time interval between the detection of said discontinuities.
- knowing the precise distance between the blocks TU.Fl and TU.F3 will make it possible to calculate the average speed of the vehicle traveling on said track between the two blocks TU.Fl and TU.F3.
- the cost of installing the additional device is relatively reduced and thus makes it possible to obtain a relatively precise measurement of the speed of the tram traveling on a track.
- the measurement of this speed remains independent of a precise positioning of beacons, for example, the displacement of which could occur in the event of track maintenance operations, climatic phenomena, wheel engagement, etc. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00920294A EP1175325B1 (fr) | 1999-04-30 | 2000-04-20 | Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effet |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99870079A EP1048545A1 (fr) | 1999-04-30 | 1999-04-30 | Procédé de mesure de la vitesse d'un véhicule sur rails et installation destinée à cet effet |
EP99870079 | 1999-04-30 | ||
PCT/BE2000/000043 WO2000066412A1 (fr) | 1999-04-30 | 2000-04-20 | Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effet |
EP00920294A EP1175325B1 (fr) | 1999-04-30 | 2000-04-20 | Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1175325A1 true EP1175325A1 (fr) | 2002-01-30 |
EP1175325B1 EP1175325B1 (fr) | 2003-07-02 |
Family
ID=8243821
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99870079A Withdrawn EP1048545A1 (fr) | 1999-04-30 | 1999-04-30 | Procédé de mesure de la vitesse d'un véhicule sur rails et installation destinée à cet effet |
EP00920294A Expired - Lifetime EP1175325B1 (fr) | 1999-04-30 | 2000-04-20 | Procede de mesure de la vitesse d'un vehicule sur rails et installation destinee a cet effet |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99870079A Withdrawn EP1048545A1 (fr) | 1999-04-30 | 1999-04-30 | Procédé de mesure de la vitesse d'un véhicule sur rails et installation destinée à cet effet |
Country Status (30)
Country | Link |
---|---|
US (1) | US7938370B1 (fr) |
EP (2) | EP1048545A1 (fr) |
JP (1) | JP4176311B2 (fr) |
KR (1) | KR100684465B1 (fr) |
CN (1) | CN1162291C (fr) |
AP (1) | AP2001002311A0 (fr) |
AT (1) | ATE244174T1 (fr) |
AU (1) | AU761240B2 (fr) |
BG (1) | BG106052A (fr) |
BR (1) | BR0011224A (fr) |
CA (1) | CA2371588C (fr) |
CZ (1) | CZ297573B6 (fr) |
DE (1) | DE60003670D1 (fr) |
DZ (1) | DZ3153A1 (fr) |
EA (1) | EA200101003A1 (fr) |
HK (1) | HK1045482B (fr) |
HR (1) | HRP20010801A2 (fr) |
HU (1) | HUP0200820A2 (fr) |
IL (1) | IL145964A0 (fr) |
IS (1) | IS6099A (fr) |
MA (1) | MA25456A1 (fr) |
MX (1) | MXPA01011013A (fr) |
NO (1) | NO20015319L (fr) |
OA (1) | OA11934A (fr) |
PL (1) | PL195187B1 (fr) |
SK (1) | SK286883B6 (fr) |
TR (1) | TR200103024T2 (fr) |
UA (1) | UA57179C2 (fr) |
WO (1) | WO2000066412A1 (fr) |
ZA (1) | ZA200108635B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9733625B2 (en) | 2006-03-20 | 2017-08-15 | General Electric Company | Trip optimization system and method for a train |
US10308265B2 (en) | 2006-03-20 | 2019-06-04 | Ge Global Sourcing Llc | Vehicle control system and method |
US9950722B2 (en) | 2003-01-06 | 2018-04-24 | General Electric Company | System and method for vehicle control |
US9956974B2 (en) | 2004-07-23 | 2018-05-01 | General Electric Company | Vehicle consist configuration control |
US9828010B2 (en) | 2006-03-20 | 2017-11-28 | General Electric Company | System, method and computer software code for determining a mission plan for a powered system using signal aspect information |
US8914171B2 (en) | 2012-11-21 | 2014-12-16 | General Electric Company | Route examining system and method |
KR101685630B1 (ko) | 2010-03-02 | 2016-12-13 | 삼성전자주식회사 | 2상 딜레이 라인과 듀티 교정회로를 갖는 지연 동기 루프 및 그의 듀티 교정방법 |
WO2014026091A2 (fr) | 2012-08-10 | 2014-02-13 | General Electric Company | Système et procédé d'examen d'itinéraire |
KR101312076B1 (ko) | 2013-06-25 | 2013-09-25 | 한국기계연구원 | 전차속도 측정장치 |
US9255913B2 (en) | 2013-07-31 | 2016-02-09 | General Electric Company | System and method for acoustically identifying damaged sections of a route |
US10006877B2 (en) | 2014-08-20 | 2018-06-26 | General Electric Company | Route examining system and method |
US11940456B2 (en) | 2018-09-11 | 2024-03-26 | Becton Dickinson And Company | Robotic sample preparation system for diagnostic testing with automated position learning |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270716A (en) * | 1979-03-30 | 1981-06-02 | Westinghouse Electric Corp. | Transit vehicle speed control apparatus and method |
GB8402359D0 (en) * | 1984-01-30 | 1984-02-29 | Westinghouse Brake & Signal | Track circuit |
JP2663318B2 (ja) * | 1992-03-05 | 1997-10-15 | 株式会社京三製作所 | 速度検出器 |
JP2898846B2 (ja) * | 1993-05-24 | 1999-06-02 | 新日本製鐵株式会社 | 定位置停止制御装置 |
BE1009635A4 (fr) * | 1995-09-29 | 1997-06-03 | Gec Alsthom Acec Transport Sa | Dispositif destine a permettre l'arret et/ou le freinage d'un vehicule circulant sur une voie. |
-
1999
- 1999-04-30 EP EP99870079A patent/EP1048545A1/fr not_active Withdrawn
-
2000
- 2000-04-20 DE DE60003670T patent/DE60003670D1/de not_active Expired - Lifetime
- 2000-04-20 MX MXPA01011013A patent/MXPA01011013A/es active IP Right Grant
- 2000-04-20 SK SK1471-2001A patent/SK286883B6/sk not_active IP Right Cessation
- 2000-04-20 AP APAP/P/2001/002311A patent/AP2001002311A0/en unknown
- 2000-04-20 EP EP00920294A patent/EP1175325B1/fr not_active Expired - Lifetime
- 2000-04-20 CZ CZ20013687A patent/CZ297573B6/cs not_active IP Right Cessation
- 2000-04-20 AT AT00920294T patent/ATE244174T1/de not_active IP Right Cessation
- 2000-04-20 US US10/031,274 patent/US7938370B1/en not_active Expired - Lifetime
- 2000-04-20 JP JP2000615265A patent/JP4176311B2/ja not_active Expired - Fee Related
- 2000-04-20 TR TR2001/03024T patent/TR200103024T2/xx unknown
- 2000-04-20 OA OA1200100286A patent/OA11934A/fr unknown
- 2000-04-20 AU AU40950/00A patent/AU761240B2/en not_active Ceased
- 2000-04-20 HU HU0200820A patent/HUP0200820A2/hu unknown
- 2000-04-20 IL IL14596400A patent/IL145964A0/xx active IP Right Grant
- 2000-04-20 CN CNB008069654A patent/CN1162291C/zh not_active Expired - Fee Related
- 2000-04-20 DZ DZ003153A patent/DZ3153A1/fr active
- 2000-04-20 BR BR0011224-0A patent/BR0011224A/pt not_active Application Discontinuation
- 2000-04-20 CA CA2371588A patent/CA2371588C/fr not_active Expired - Fee Related
- 2000-04-20 UA UA2001107365A patent/UA57179C2/uk unknown
- 2000-04-20 WO PCT/BE2000/000043 patent/WO2000066412A1/fr active IP Right Grant
- 2000-04-20 PL PL00351926A patent/PL195187B1/pl not_active IP Right Cessation
- 2000-04-20 KR KR1020017013245A patent/KR100684465B1/ko not_active IP Right Cessation
- 2000-04-20 EA EA200101003A patent/EA200101003A1/ru unknown
-
2001
- 2001-10-03 IS IS6099A patent/IS6099A/is unknown
- 2001-10-19 ZA ZA200108635A patent/ZA200108635B/en unknown
- 2001-10-26 BG BG106052A patent/BG106052A/xx unknown
- 2001-10-26 MA MA26387A patent/MA25456A1/fr unknown
- 2001-10-29 HR HR20010801A patent/HRP20010801A2/hr not_active Application Discontinuation
- 2001-10-30 NO NO20015319A patent/NO20015319L/no not_active Application Discontinuation
-
2002
- 2002-09-26 HK HK02107048.5A patent/HK1045482B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0066412A1 * |
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