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EP0919976A2 - Method for controlling at least one bus stop display and control centre - Google Patents

Method for controlling at least one bus stop display and control centre Download PDF

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Publication number
EP0919976A2
EP0919976A2 EP98440202A EP98440202A EP0919976A2 EP 0919976 A2 EP0919976 A2 EP 0919976A2 EP 98440202 A EP98440202 A EP 98440202A EP 98440202 A EP98440202 A EP 98440202A EP 0919976 A2 EP0919976 A2 EP 0919976A2
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EP
European Patent Office
Prior art keywords
vehicle
waiting time
vehicles
control center
stop display
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
Application number
EP98440202A
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German (de)
French (fr)
Other versions
EP0919976B1 (en
EP0919976A3 (en
Inventor
Werner Dziedzioch
Helmut Kauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Nokia Inc
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Publication date
Application filed by Alcatel SA, Nokia Inc filed Critical Alcatel SA
Publication of EP0919976A2 publication Critical patent/EP0919976A2/en
Publication of EP0919976A3 publication Critical patent/EP0919976A3/en
Application granted granted Critical
Publication of EP0919976B1 publication Critical patent/EP0919976B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams

Definitions

  • the invention relates to a method for controlling at least one stop display according to the preamble of claim 1 and a control center according to the overhand of claim 3.
  • the current distance of the vehicle is usually used based on the stop. Which are cyclical in the course of the day, the course of the week or even spontaneously changing traffic density leads to different ones Travel times from a specific position to the stop.
  • the invention has for its object a method of the generic type to be specified, which allows a more precise calculation of the expected waiting time.
  • the method is carried out using to prefer the features of claim 2.
  • a constant trend for example with a steady increase in travel time, as many vehicles as possible are taken into account, while less, for example, if the trend weakens or reverses Vehicles are included in the forecast. This way, a quick one Adaptation to the actual traffic conditions possible.
  • Claim 3 relates to a control center for calculating the travel time on a Route section. To improve the accuracy of the travel time calculation, the characterizing features of claim 3 provided. Here is a comparison of the actual travel times of vehicles last driven on this route section and a derivation of a mathematical series in the form of a trend line is provided.
  • the control center is preferably equipped with the features of claim 4.
  • the selection circuit determines the number of series elements, with one difference of the last measured value outside a predetermined range of variation Reduction of the number of row elements to be considered leads. In the case, that a trend reversal is detected, i.e. that instead of an increase in travel time a reduction in travel time for a certain section of the route takes place, the number of measured values for the series formation on one or two be reduced.
  • a control center can be part of a traffic control system be.
  • a traffic control system is a monitoring and control system for any vehicle fleet.
  • traffic management of a truck fleet with the possibility here results, with a pronounced trend line towards traffic congestion to traffic jam to specify appropriately adapted, changed travel routes and travel times.
  • flexible routes and times can also be advantageous for bus control systems be.
  • Control of a stop display for signaling the expected Waiting time may be beneficial for the potential passenger.
  • Another application the control center claimed results from the statistical Evaluation of the measured values over a longer period of time in order to obtain a realistic road map for a particular route that is evaluated from Sections of the route.
  • the invention is not limited to the exemplary embodiment specified above. Rather, a number of variants are conceivable, which also fundamentally different execution of the features of the invention Make use.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Selective Calling Equipment (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Alarm Systems (AREA)

Abstract

In a method of controlling at least one station display (1), where a vehicle (2) transmits its actual location (x1) to a central control station which calculates the estimated waiting time (tw) until the vehicle (2) reaches the station (x2), and controls the station display (1) to visually signal this waiting time (tw) to improve the accuracy of the indicated waiting time (tw), it is provided that the waiting time (tw) of a number (n) of immediately preceding vehicles (3, 4, . . . ) is calculated as a function of the trend line of the actual travel times (t1, t2, . . . tm, tm+1. . . tn).

Description

Die Erfindung betrifft ein Verfahren zur Ansteuerung mindestens eines Haltestellen-Displays gemäß dem Oberbegriff des Anspruchs 1 sowie eine Steuerzentrale gemäß dem Obergriff des Anspruchs 3.The invention relates to a method for controlling at least one stop display according to the preamble of claim 1 and a control center according to the overhand of claim 3.

Zur Signalisierung der Wartezeit an einer Haltestelle bis zum Eintreffen des nächsten Fahrzeuges, insbesondere eines Busses oder einer Straßenbahn des öffentlichen Personennahverkehrs, wird üblichwerweise der momentane Abstand des Fahrzeuges von der Haltestelle zugrunde gelegt. Die sich zyklisch im Tagesverlauf, Wochenverlauf oder auch spontan ändernde Verkehrsdichte führt jedoch zu unterschiedlichen Fahrzeiten von einer bestimmten Position bis zur Haltestelle.To signal the waiting time at one stop until the next arrives Vehicle, in particular a bus or a tram of the public Local passenger traffic, the current distance of the vehicle is usually used based on the stop. Which are cyclical in the course of the day, the course of the week or even spontaneously changing traffic density leads to different ones Travel times from a specific position to the stop.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der gattungsgemäßen Art anzugeben, das eine genauere Berechnung der voraussichtlichen Wartezeit gestattet.The invention has for its object a method of the generic type to be specified, which allows a more precise calculation of the expected waiting time.

Erfindungsgemäß wird diese Aufgabe mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst. Die Lösung basiert auf dem prinzipiellen Ansatz, nicht nur die Positionsabhängigkeit, sondern auch die tatsächlichen Fahrzeiten unmittelbar vorher von dieser Position zur Haltestelle gefahrenen Fahrzeuge zu berücksichtigen. Dadurch ergibt sich der Vorteil, daß dem Fahrgast bei Verkehrsstockungen eine realistische Wartezeit bis zum Eintreffen des Fahrzeugs signalisiert wird. Der Fahrgast kann sich auf die angezeigte Wartezeit verlassen, sodaß letztlich auch eine Verbesserung der Benutzerfreundlichkeit und damit der Akzeptanz des öffentlichen Personennahverkehrs erreicht wird.According to the invention this task with the characterizing features of Claim 1 solved. The solution is based on the principle approach, not just that Position dependency, but also the actual travel times immediately beforehand vehicles driven from this position to the stop. Thereby there is the advantage that the passenger is realistic in traffic congestion Waiting time until the vehicle arrives is signaled. The passenger can rely on the displayed waiting time, so that ultimately an improvement in Ease of use and thus the acceptance of local public transport is achieved.

Zur weiteren Verbesserung der Vorhersage ist die Durchführung des Verfahrens mittels der Merkmale des Anspruchs 2 zu bevorzugen. Bei konstantem Trend, beispielsweise bei stetiger Zunahme der Fahrzeit, werden möglichst viele Fahrzeuge berücksichtigt, während beispielsweise bei Trendabschwächung oder Trendumkehr weniger Fahrzeuge in die Vorhersage einbezogen werden. Auf diese Weise wird eine schnelle Anpassung an die tatsächlichen Verkehrsverhältnisse möglich.To further improve the prediction, the method is carried out using to prefer the features of claim 2. With a constant trend, for example with a steady increase in travel time, as many vehicles as possible are taken into account, while less, for example, if the trend weakens or reverses Vehicles are included in the forecast. This way, a quick one Adaptation to the actual traffic conditions possible.

Anspruch 3 betrifft eine Steuerzentrale zur Berechnung der Fahrzeit auf einem Streckenabschnitt. Um die Genauigkeit der Fahrzeitberechnung zu verbessern, sind die kennzeichnenden Merkmale des Anspruchs 3 vorgesehen. Dabei ist ein Vergleich der tatsächlichen Fahrzeiten zuletzt auf diesem Streckenabschnitt gefahrener Fahrzeuge und eine Ableitung einer mathematischen Reihe in Form einer Trendlinie vorgesehen. Claim 3 relates to a control center for calculating the travel time on a Route section. To improve the accuracy of the travel time calculation, the characterizing features of claim 3 provided. Here is a comparison of the actual travel times of vehicles last driven on this route section and a derivation of a mathematical series in the form of a trend line is provided.

Vorzugsweise ist die Steuerzentrale mit den Merkmalen des Anspruchs 4 ausgestattet. Die Auswahlschaltung bestimmt die Anzahl der Reihenglieder, wobei eine Abweichung des letzten Meßwertes außerhalb einer vorgegebenen Variationsbreite zur Verringerung der zu berücksichtigenden Anzahl der Reihenglieder führt. Für den Fall, daß eine Trendumkehr festgestellt wird, d.h., daß statt einer Zunahme der Fahrzeit auf einem bestimmten Streckenabschnitt nunmehr eine Verringerung der Fahrzeit stattfindet, kann die Anzahl der Meßwerte für die Reihen bildung auf ein oder zwei verringert werden.The control center is preferably equipped with the features of claim 4. The selection circuit determines the number of series elements, with one difference of the last measured value outside a predetermined range of variation Reduction of the number of row elements to be considered leads. In the case, that a trend reversal is detected, i.e. that instead of an increase in travel time a reduction in travel time for a certain section of the route takes place, the number of measured values for the series formation on one or two be reduced.

Eine derartige Steuerzentrale kann gemäß Anspruch 5 Bestandteil eines Verkehrsleitsystems sein. Unter Verkehrsleitsystem ist hier im weitesten Sinne ein Überwachungs- und Steuersystem für jegliche Fahrzeugflotte zu verstehen. Denkbar wäre beispielsweise die Verkehrsführung einer Lastkraftwagen-Flotte, wobei sich hier die Möglichkeit ergibt, bei einer ausgeprägten Trendlinie in Richtung Verkehrsstockung bis Stau entsprechend angepaßte, geänderte Fahrtrouten und Fahrzeiten vorzugeben. Derart flexible Fahrtrouten und Fahrzeiten können jedoch auch bei Busleitsystemen vorteilhaft sein.Such a control center can be part of a traffic control system be. In the broadest sense, a traffic control system is a monitoring and control system for any vehicle fleet. For example, it would be conceivable the traffic management of a truck fleet, with the possibility here results, with a pronounced trend line towards traffic congestion to traffic jam to specify appropriately adapted, changed travel routes and travel times. Such however, flexible routes and times can also be advantageous for bus control systems be.

Neben der individuellen Fahrtwegführung der Busse kann gemäß Anspruch 6 die Ansteuerung eines Haltestellen-Displays zur Signalisierung der voraussichtlichen Wartezeit für den potentiellen Fahrgast vorteilhaft sein. Eine weitere Anwendungsmöglichkeit der beanspruchten Steuerzentrale ergibt sich durch die statistische Auswertung der Meßwerte über einen längeren Zeitraum, um daraus einen realistischen Fahrplan für eine bestimmte Strecke, die sich aus ausgewerteten Streckenabschnitten zusammensetzt, abzuleiten.In addition to the individual routing of the buses according to claim 6, the Control of a stop display for signaling the expected Waiting time may be beneficial for the potential passenger. Another application the control center claimed results from the statistical Evaluation of the measured values over a longer period of time in order to obtain a realistic road map for a particular route that is evaluated from Sections of the route.

Nachfolgend wird die Erfindung anhand eines figürlich dargestellten Ausführungsbeispiels näher erläutert.The invention is described below using an exemplary embodiment shown in the figures explained in more detail.

Dargestellt ist ein Haltestellen-Display 1, dem sich ein Fahrzeug 2 nähert. Die Wartezeit tw am Ort x2 der Haltestelle mit dem Haltestellen-Display 1 bis zur Ankunft des Fahrzeuges 2 ändert sich im Lauf des Tages aufgrund sich ändernder Verkehrssituationen. Um eine Vorhersage der Wartezeit tw auf das sich der Haltestelle nähernde Fahrzeug 2 zu treffen, werden die tatsächlichen Fahrzeiten t1, t2, ....tm, tm+1 ... tn einer Anzahl n unmittelbar vorher auf dem Streckenabschnitt zwischen x1 und x2 gefahrenen Fahrzeug 3, 4 ... erfaßt und für die Berechnung entsprechend dem folgenden Beispiel verwendet:

  • t3    130 sec.    13.25 Uhr am Ort x1
  • t2    140 sec.    13.34 Uhr am Ort x1
  • t1    145 sec.    13.44 Uhr am Ort x1
A stop display 1 is shown, which a vehicle 2 is approaching. The waiting time t w at the location x 2 of the stop with the stop display 1 until the arrival of the vehicle 2 changes over the course of the day due to changing traffic situations. In order to make a prediction of the waiting time t w for the vehicle 2 approaching the stop, the actual travel times t 1 , t 2 , .... t m , t m + 1 ... t n of a number n appear immediately beforehand the route section between x 1 and x 2 driven vehicle 3, 4 ... and used for the calculation according to the following example:
  • t 3 130 sec. 1:25 p.m. at location x 1
  • t 2 140 sec.13.34 p.m. x 1
  • t 1 145 sec. 1:44 p.m. at location x 1

Aus der Trendlinie, die eine sich verlangsamend zunehmende Fahrzeit erkennen läßt, ergibt sich für 13.55 Uhr eine Restfahrzeit bis zur Haltestelle x2 von ca. 148 sec. Bei diesem Beipiel wurden drei Meßwerte zugrundegelegt. Die Anzahl n der zur Vorhersage verwendeten Meßwerte wird jedoch vorzugsweise dynamisch wie folgt geändert:From the trend line, which shows a slowingly increasing journey time, there is a remaining journey time to the stop x 2 of approx. 148 sec. At 13.55 h. In this example, three measured values were taken as a basis. However, the number n of measured values used for the prediction is preferably changed dynamically as follows:

Bei gleichbleibendem Trend - z.B. Fahrzeiten tm, tm-1... t2 , t1 nehmen zu - wird die Anzahl m der letzten Meßwerte verwendet, die diesem Trend entspricht.If the trend remains the same - for example, travel times t m , t m-1 ... t 2 , t 1 increase - the number m of the last measured values which corresponds to this trend is used.

Bei sich änderndem Trend wird die zu berücksichtigende Anzahl der unmittelbar vorangegangenen Meßwerte stark verringert, um die Vorhersage rascher an die Trendänderung anzupassen.If the trend changes, the number to be taken into account immediately previous readings greatly decreased to match the prediction more quickly Adjust trend change.

Die Erfindung beschränkt sich nicht auf das vorstehend angegebene Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche auch bei grundsätzlich anders gearteteter Ausführung von den Merkmalen der Erfindung Gebrauch machen.The invention is not limited to the exemplary embodiment specified above. Rather, a number of variants are conceivable, which also fundamentally different execution of the features of the invention Make use.

Claims (6)

Verfahren zur Ansteuerung mindestens eines Haltestellen-Displays (1), bei dem ein Fahrzeug (2) die aktuelle Position (x1) an eine Steuerzentrale übermittelt, welche die voraussichtliche Wartezeit (tw) bis zum Eintreffen des Fahrzeugs (2) an der Haltestelle (x2) berechnet, und das Haltestellen-Display (1) zur visuellen Signalisierung dieser Wartezeit (tw) ansteuert,
dadurch gekennzeichnet,
daß die Wartezeit (tw) in Abhängigkeit von der Trendlinie der tatsächlichen Fahrzeiten (t1, t2,...tm, tm+1,...tn) einer Anzahl (n) unmittelbar vorhergefahrener Fahrzeuge (3, 4,...) berechnet wird.Method for controlling at least one stop display (1), in which a vehicle (2) transmits the current position (x 1 ) to a control center, which determines the expected waiting time (t w ) until the vehicle (2) arrives at the stop (x 2 ) is calculated and the stop display (1) is activated to visually signal this waiting time (t w ),
characterized,
that the waiting time (t w ) depending on the trend line of the actual driving times (t 1 , t 2 , ... t m , t m + 1 , ... t n ) of a number (n) of immediately preceding vehicles (3, 4, ...) is calculated. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Anzahl (n) der zu berücksichtigenden Fahrzeuge (3, 4...) bei sich änderndem Trend verringert wird.A method according to claim 1, characterized in that the number (n) of vehicles (3, 4 ...) taking into account if the trend changes. Steuerzentrale mit einem Rechner zur Berechnung der voraussichtlichen Fahrzeit (tf) eines Fahrzeugs (2) auf einem zwischen zwei Positionen (xi und xi+1) definierten Streckenabschnitt,
dadurch gekennzeichnet,
daß der Rechner Speichermittel zur Speicherung der tatsächlichen Fahrzeiten (tf1, tf2,..., tfN) einer maximalen Anzahl (N) unmittelbar vorher auf dem Streckenabschnitt gefahrenen Fahrzeuge (3, 4 ...) und Vergleichsmittel zur Ermittlung einer Trendlinie einer bestimmten Anzahl (n < N) unmittelbar vorher gefahrener Fahrzeuge (3, 4 ...) sowie Auswertemittel zur trendlinienabhängigen Berechnung der voraussichtlichen Fahrzeit (tf) des Fahrzeugs (2) aufweist.Control center with a computer for calculating the expected travel time (t f ) of a vehicle (2) on a route section defined between two positions (x i and x i + 1 ),
characterized,
that the computer has memory means for storing the actual travel times (t f1 , t f2 , ..., t fN ) of a maximum number (N) of vehicles (3, 4 ...) immediately before traveling on the route section and comparison means for determining a trend line a certain number (n <N) of vehicles previously driven (3, 4 ...) and evaluation means for calculating the expected journey time (t f ) of the vehicle (2) depending on the trend line. Steuerzentrale nach Anspruch 3, dadurch gekennzeichnet, daß die Vergleichsmittel eine Auswahlschaltung zur Festlegung der Anzahl (n) der zu berücksichtigenden Fahrzeuge (3, 4...) in Abhängigkeit von der Konstanz der Trendlinie aufweisen.Control center according to claim 3, characterized in that the comparison means a selection circuit for determining the number (n) of the to be considered Have vehicles (3, 4 ...) depending on the consistency of the trend line. Steuerzentrale nach einem der Ansprüche 3 oder 4, gekennzeichnet durch die Verwendung bei einem Verkehrsleitsystem.Control center according to one of claims 3 or 4, characterized by the Use in a traffic control system. Steuerzentrale nach einem der Ansprüche 3 bis 5, gekennzeichnet durch die Verwen-dung zur Ansteuerung mindestens eines Haltestellen-Displays (1), wobei eine visuelle Signalisierung der voraussichtlichen Wartezeit (tw) bis zum Eintreffen des Fahrzeuges (2) an der Haltestelle (x2) vorgesehen ist.Control center according to one of claims 3 to 5, characterized by the use for controlling at least one stop display (1), with a visual signaling of the expected waiting time (t w ) until the vehicle (2) arrives at the stop (x 2 ) is provided.
EP98440202A 1997-10-28 1998-09-07 Method for controlling at least one bus stop display and control centre Expired - Lifetime EP0919976B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19747446A DE19747446A1 (en) 1997-10-28 1997-10-28 Controlling bus-stop or tram-stop displays
DE19747446 1997-10-28

Publications (3)

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EP0919976A2 true EP0919976A2 (en) 1999-06-02
EP0919976A3 EP0919976A3 (en) 2000-08-09
EP0919976B1 EP0919976B1 (en) 2003-11-05

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EP98440202A Expired - Lifetime EP0919976B1 (en) 1997-10-28 1998-09-07 Method for controlling at least one bus stop display and control centre

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US (1) US6249725B1 (en)
EP (1) EP0919976B1 (en)
AT (1) ATE253759T1 (en)
AU (1) AU8936998A (en)
CA (1) CA2248973A1 (en)
DE (2) DE19747446A1 (en)
SG (1) SG68696A1 (en)

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WO2020206239A1 (en) 2019-04-04 2020-10-08 Jlg Industries, Inc. Control station for compact vehicles
MX2022010293A (en) * 2020-02-21 2023-01-04 Bluespace Ai Inc Method for object avoidance during autonomous navigation.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799162A (en) * 1985-10-25 1989-01-17 Mitsubishi Denki Kabushiki Kaisha Route bus service controlling system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0282399A (en) 1988-09-20 1990-03-22 Matsushita Electric Ind Co Ltd Estimated arrival time informing device
JPH0282398A (en) 1988-09-20 1990-03-22 Matsushita Electric Ind Co Ltd Estimated arrival time information device
DE4214067C2 (en) 1992-04-29 1995-08-31 Heinrich Wanko Process for monitoring the transport of goods to predetermined delivery points
DE19515809A1 (en) 1995-04-29 1996-10-31 Ronkholz Karl Heinz Information and identification device for traffic systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799162A (en) * 1985-10-25 1989-01-17 Mitsubishi Denki Kabushiki Kaisha Route bus service controlling system

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Publication number Publication date
SG68696A1 (en) 1999-11-16
AU8936998A (en) 1999-05-20
DE59810078D1 (en) 2003-12-11
US6249725B1 (en) 2001-06-19
DE19747446A1 (en) 1999-04-29
ATE253759T1 (en) 2003-11-15
EP0919976B1 (en) 2003-11-05
EP0919976A3 (en) 2000-08-09
CA2248973A1 (en) 1999-04-28

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