EP0890495B1 - Verfahren zum Erzeugen eines Signals, das ein Teilstück eines Gleisabschnittes als frei von Fahrzeugachsen Kennzeichnet - Google Patents
Verfahren zum Erzeugen eines Signals, das ein Teilstück eines Gleisabschnittes als frei von Fahrzeugachsen Kennzeichnet Download PDFInfo
- Publication number
- EP0890495B1 EP0890495B1 EP98250250A EP98250250A EP0890495B1 EP 0890495 B1 EP0890495 B1 EP 0890495B1 EP 98250250 A EP98250250 A EP 98250250A EP 98250250 A EP98250250 A EP 98250250A EP 0890495 B1 EP0890495 B1 EP 0890495B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- track
- section
- vehicle axle
- time
- speed
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/02—Track brakes or retarding apparatus
- B61K7/12—Track brakes or retarding apparatus electrically controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L17/00—Switching systems for classification yards
Definitions
- track brakes in automatic marshalling yards use with which the driving speed of wagons can be reduced (see for example "microcomputer - controlled electrodynamic directional track brake ", Jean-Pierre Pfander and Alexander Hörder, shunting technology and Gleisanschlußtechnik (1980/81), episode 40, pages 45 to 47). It is also known that in some types of track brakes, such as B. rubber track brakes, the track brake is not switched on may be allowed if a vehicle axle is in the lead or braking section of the track brake.
- a correction method for axle counting methods is also known (EP 0 739 803 A2), with the counting error when counting the Vehicle axes can be corrected automatically.
- the invention has for its object, one with particular low-cost process for generating a Specify control signal that a portion of a at least one track section equipped with a track brake marks as free of vehicle axles.
- this object is achieved with a method in which each vehicle axis entering the track section the entry speed with a speed sensor is measured with the retraction speed of the respective vehicle axis and with the braking characteristics of the at least one track brake a start and an end time the period of stay of the respective vehicle axle an auxiliary signal is calculated in the section formed at the beginning and at the end of the stay the respective vehicle axle withdrawn and the control signal in an auxiliary signal-free state is produced.
- the method according to the invention can also be used to generate a Control signal are used, which is a section of a at least one track section equipped with a track brake marks as drive free; this can be concretely achieve, for example, that after each in the Track section entering vehicle axis started a blocking time and all retracted within the respective blocking period Vehicle axes can be assigned to a drive.
- Single axles and bogies are also considered as drives two or three axes.
- the advantage of the method according to the invention is that by using only one speed sensor on measuring contacts such as the pre-section contact, the inlet contact and the outlet contact can be dispensed with.
- the method according to the invention is more flexible than that conventional, since any section of the track section can be detected without corresponding measuring contacts must be attached to the tracks.
- auxiliary signals can be used in the method according to the invention generated and evaluated in different ways to win the control signal. For example, with the respective Auxiliary signal, a pulse can be generated with the End time ends; if no pulse can be detected, then it will Control signal generated.
- the control signal can be particularly precise and therefore advantageous generate when the start and end time of the stay period the respective vehicle axis in the section is determined by using the retraction speed of the respective vehicle axis and the braking characteristics of the at least one track brake the extension speed of the respective vehicle axis determined from the track section is, from the entry and exit speed of the respective vehicle axis the average speed of the respective vehicle axis in the track section by estimation is determined and from the average speed and the spatial arrangement of the section in the track section of Start and end time of the respective stay Vehicle axis is calculated in the section.
- the extension speed is particularly simple and therefore advantageous or calculate the average speed, when assuming a constant deceleration (Energy level) of the track brake can be calculated.
- FIG. 1 shows a track section 1 of a track system 3 with a weight-independent track brake 5.
- a speed sensor 9 is attached to a route point X0 of the track section 1, with which entry speeds Vein of each vehicle axis entering the track section 1 along an arrow 10 are measured.
- the calibration factor k is in the range between 1 and 10 and, depending on the accuracy requirements, can also be dependent on the vehicle axles located in track section 1. Very precise measurement results can be obtained, for example, if the factor k is 2.5 for up to four vehicle axles in track section 1 and 8 is equal to five vehicle axles in track section 1.
- the average speed Vm for every vehicle axis entering the track section 1 and end times of periods of stay in sections of track section 1 calculated, in one Lead section 11 of the track section 1, in a lead section 13 of the track brake 5 and in a braking area 15 of the track brake 5.
- the lead section 11 of the track section 1 is limited by route points X0 and X1
- the lead section 13 of the track brake 5 is by the route points X1 and X2 are formed and the braking area 15 the track brake 5 is delimited by the route points X2 and X3 according to FIG. 1.
- the times t0 and t1 are therefore start and end times the period of stay of the respective vehicle axle in the lead section 11 of the track section 1.
- the point in time at which the respective vehicle axle penetrates the lead section 13 of the track brake 5 corresponds to the point in time t1 at which it leaves the lead section of the track section 1;
- the control signal St is in an auxiliary signal-free state generated. Specifically, this is in the control unit 17 with the Auxiliary signals one counter variable each at the start t1 of the respective vehicle axis by one counter position counted up and at the end time t3 of the respective vehicle axle counted down by one digit.
- the control signal St in this case, that through the lead section 13 of the track brake 5 and the braking area 15 of the track brake 5 formed section of the track section 1 as free of Identifies vehicle axles, is in the control unit 17th generated when the counter variable has the value zero.
- Appropriate Control signals for other sections of the track section 1 can be created by forming corresponding counter variables produce.
- pulses are also generated with end at the respective end time t3; an impulse defined so always the busy state of the respective associated section. If at least one pulse can be detected the respective section is always occupied.
- FIG. 2 shows a track section 20 of a track system 23 with a track brake 25 corresponding to the track brake 5 according to FIG. 1 and an additional track brake 27.
- a speed sensor 29 is attached to a route point X0 and measures the entry speed Vein of vehicle axles entering the track section 20. With the retraction speed Vein of the respective vehicle axis and the position and thus the braking characteristics of the track brake 25 and the additional track brake 27, an average speed Vm is first - as in the embodiment according to FIG Parts of the track section 20 calculated.
- Portions of the track section 20 can be, for example, the lead section 33 of the track section 20, the lead section 35 of the track brake 25, the braking area 37 of the track brake 25 and the braking area 39 of the additional track brake 27.
- the variables X1, X2, X3 and X4 designate the respective ones Route points in track section 20 of track system 23 according to Figure 2.
- Each of these sections is in a control unit 40 assigned a counter variable that is entered the respective vehicle axle up into the section and when leaving the section by the respective vehicle axle is counted down one meter position.
- On Control signal St is for the respective section of the Control unit 40 generates when the corresponding counter variable has the value zero.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
Claims (4)
- In einem aus Teilstücken (11, 13, 15) bestehenden und mit mindestens einer Gleisbremse (5) ausgestattenen Gleisabschnitt (1), Verfahren zum Erzeugen eines Steuersignals (St), das die Teilstücke(11, 13, 15) als frei von Fahrzeugachsen kennzeichnet, wobei bei dem Verfahrenbei jeder in den Gleisabschnitt (1) einfahrenden Fahrzeugachse die Einfahrgeschwindigkeit (Vein) mit einem Geschwindigkeitssensor (9) gemessen wird,mit der Einfahrgeschwindigkeit (Vein) der jeweiligen Fahrzeugachse und mit der Bremscharakteristik der mindestens einen Gleisbremse (5) ein Anfangs- und ein Endzeitpunkt (t0 und t1 bzw t1 und t2 bzw t2 und t3) des Aufenthaltszeitraums der Fahrzeugachse in dem jeweiligen Teilstück (11 13 15) berechnet wird,ein Hilfssignal zum Anfangszeitpunkt gebildet und zum Endzeitpunkt des Aufenthaltszeitraumes der Fahrzeugachse in dem jeweiligen Teilstück zurückgenommen wird unddas Steuersignal (St) bei einem hilfssignalfreien Zustand erzeugt wird.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daßmit den Hilfssignalen eine Zählervariable zum Anfangszeitpunkt herauf- und zum Endzeitpunkt des Aufenthaltszeitraumes der jeweiligen Fahrzeugachse um eine Zählerstelle heruntergezählt wird unddas Steuersignal (St) erzeugt wird, wenn die Zählervariable den Wert Null aufweist. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daßder Anfangs-und Endzeitpunkt des Aufenthaltszeitraumes der jeweiligen Fahrzeugachse in dem Teilstück (11, 13, 15) bestimmt wird, indemmit der Einfahrgeschwindigkeit (Vein) der jeweiligen Fahrzeugachse und der Bremscharakteristik der mindestens einen Gleisbremse (5) die Ausfahrgeschwindigkeit (Vaus) der jeweiligen Fahrzeugachse aus dem Gleisabschnitt (1) bestimmt wird,aus der Einfahr- und Ausfahrgeschwindigkeit (Vein, Vaus) der jeweiligen Fahrzeugachse die mittlere Geschwindigkeit (Vm) der jeweiligen Fahrzeugachse im Gleisabschnitt (1) durch Schätzung ermittelt wird undaus der mittleren Geschwindigkeit (Vm) und der räumlichen Anordnung des Teilstückes (11, 13, 15) im Gleisabschnitt (1) der Anfangs-und Endzeitpunkt des Aufenthaltszeitraumes der jeweiligen Fahrzeugachse in dem Teilstück (11, 13, 15) berechnet wird. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet, daßdie Ausfahrgeschwindigkeit (Vaus) oder die mittlere Geschwindigkeit (Vm) unter der Annahme einer konstanten Abbremsbeschleunigung (g') der Gleisbremse (5) berechnet werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19730261A DE19730261C1 (de) | 1997-07-09 | 1997-07-09 | Verfahren zum Erzeugen eines Signals, das ein Teilstück eines Gleisabschnittes als frei von Fahrzeugachsen kennzeichnet |
DE19730261 | 1997-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0890495A1 EP0890495A1 (de) | 1999-01-13 |
EP0890495B1 true EP0890495B1 (de) | 2004-04-07 |
Family
ID=7835748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98250250A Expired - Lifetime EP0890495B1 (de) | 1997-07-09 | 1998-07-09 | Verfahren zum Erzeugen eines Signals, das ein Teilstück eines Gleisabschnittes als frei von Fahrzeugachsen Kennzeichnet |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0890495B1 (de) |
AT (1) | ATE263697T1 (de) |
DE (1) | DE19730261C1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113184022B (zh) * | 2021-06-07 | 2022-12-16 | 济南维优科技开发有限公司 | 一种检测铁路站场防溜停车器车辆入口速度的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1605368B2 (de) * | 1966-11-18 | 1976-04-15 | Siemens AG, 1000 Berlin und 8000 München | Steuereinrichtung fuer eine gleisbremse in einer ablaufanlage |
US3549880A (en) * | 1968-10-25 | 1970-12-22 | Dynamics Corp America | Apparatus for controlling the speed of a moving body |
US3745334A (en) * | 1971-09-23 | 1973-07-10 | Southern Pacific Transport Co | Hump yard retarder control system |
US3844514A (en) * | 1973-03-08 | 1974-10-29 | Gen Signal Corp | Car retarder control system |
DE19515694A1 (de) * | 1995-04-28 | 1996-10-31 | Sel Alcatel Ag | Verfahren zur automatischen Korrektur von Zählfehlern in Mehrabschnitts-Achszählanlagen |
-
1997
- 1997-07-09 DE DE19730261A patent/DE19730261C1/de not_active Expired - Fee Related
-
1998
- 1998-07-09 AT AT98250250T patent/ATE263697T1/de active
- 1998-07-09 EP EP98250250A patent/EP0890495B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE263697T1 (de) | 2004-04-15 |
EP0890495A1 (de) | 1999-01-13 |
DE19730261C1 (de) | 1998-11-19 |
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