EP0921511A2 - Verfahren zur übermittlung von Positionsdaten - Google Patents
Verfahren zur übermittlung von Positionsdaten Download PDFInfo
- Publication number
- EP0921511A2 EP0921511A2 EP98440269A EP98440269A EP0921511A2 EP 0921511 A2 EP0921511 A2 EP 0921511A2 EP 98440269 A EP98440269 A EP 98440269A EP 98440269 A EP98440269 A EP 98440269A EP 0921511 A2 EP0921511 A2 EP 0921511A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicles
- position data
- memories
- time
- established
- 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
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Classifications
-
- 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
- G08G1/127—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 to a central station ; Indicators in a central station
Definitions
- the invention relates to a method for transmitting position data from Vehicles to a control center according to the preamble of claim 1.
- Accurate position data is primarily needed to ensure schedule conformity monitor and control stop displays, which is the expected waiting time until the vehicles arrive signal. For this purpose, they are especially odometric, using radio beacons or position data determined using GPS (Global Positioning System) the vehicles are queried successively and cyclically by a control center.
- GPS Global Positioning System
- the time delay between the individual queries creates a bias error, the one of the first polled vehicle during the Corresponds to the time period of a query cycle and corresponds to approx. 0 for the last queried vehicle. It means that in the central office the impression can arise that those queried first Vehicles have greater delays than the vehicles last polled exhibit. Depending on the size of the vehicle fleet, this can be for one Query cycle time required more than half a minute.
- the invention has for its object the distortion error on simple Way and for any size of vehicle fleet, in particular also to be avoided in the event of an expansion of the vehicle fleet.
- the object is characterized by the characteristic features of claim 1 solved. It is particularly advantageous that the cyclical query the position data can be retained by the control center. Yet the cyclical successive query results in a snapshot, the the actual relationships of the positions of the vehicles to each other. The simultaneously determined and in are queried position data written in a memory. The mistake that gets through the duration of a query cycle is the same for all vehicles. This allows a correction to be carried out in a simple manner. For example, after each polling cycle, the position data of vehicles that are not about to stop or at the stop, add a distance of 200 m become. This distance corresponds to the average distance during the distance traveled for the query cycle.
- the memories are preferably rewritable Data storage of small storage capacity and simplest design.
- a series of vehicles F 1 , F 2 ... F n is shown , the number n of which forms a vehicle fleet which is monitored by a control center Z.
- Central Z serves, among other things, to transmit schedule and rerouting information as well as DGPS (Differential Global Positioning System) correction data to the vehicles.
- DGPS Different Global Positioning System
- the data available in the central office Z are also increasingly being used to control stop displays (not shown) for visualizing the remaining waiting time until the next vehicle F 1 , F 2 ... F n arrives. For these applications it is necessary to know exact and time-conforming position data of the individual vehicles F 1 , F 2 ... F n .
- the central station Z asks for this position data in a polling process, that is to say the position data of the same point in time of the vehicles F 1, F 2 ... F n are transmitted to the central station Z one after the other. So that all vehicles F 1 , F 2 ... F n report their position data to the central station Z at the same time, each vehicle F 1 , F 2 ... F n has a memory S 1 , S 2 ... S n fitted.
- the polling method has access to these memories S 1 , S 2 ... S n .
- / x n , y n are sent to the control center at the same time t 1 for all vehicles F 1 , F 2 ... F n Z reported.
- This fixed point in time t 1 can be realized, for example, in that the control center Z sends a trigger signal to all vehicles F 1 , F 2 ... F n immediately before the start of the next polling cycle, which leads to a current position determination by the vehicles F 1 , F 2 ... F n is activated.
- odometric methods in which the wheel axis revolutions are evaluated, radio beacon methods or GPS or DGPS methods (global positioning system or differential global positioning system) are used for determining the position. If the vehicles F 1 , F 2 ...
- F n are equipped with GPS or DPGS receivers
- the derived system time which is absolutely the same for all GPS or DGPS receivers, can be used to determine a regular position determination Intervals are used.
- the time intervals are matched to the length of the polling cycle and correspond exactly to the interval between two polling cycles.
- the activation method described above can be used by means of a trigger signal that is generated by the control center Z. This also has the advantage that the distance between two polling cycles does not necessarily have to be constant.
- a current image can be interpolated in a simple manner, for all vehicles F 1 , F 2 ... F n , the probably unimpeded free travel ahead have, the average distance covered in the time difference ⁇ t is added to the position data.
- ⁇ t const. there is a fixed addition value.
- traffic-related or route-related peculiarities for example traffic congestion or stop area, can be taken into account.
- the invention is not limited to the exemplary embodiment specified above. Rather, a number of variants are conceivable, which even if the features are fundamentally different make use of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
Description
Claims (5)
- Verfahren zur Übermittlung von Positionsdaten (x1/y1, x2/y2 ... xn/yn), insbesondere geographischen Koordinaten, von n Fahrzeugen (F1, F2 ... Fn) an eine Zentrale Z, wobei die Zentrale Z eine zyklische Abfrage der Positionsdaten (x1/y1, x2/y2 ... xn/yn) der n Fahrzeuge F1, F2 ... Fn) durchführt, dadurch gekennzeichnet, daß aktuelle Positionsdaten (x1/y1, x2/y2 ... xn/yn) der Fahrzeuge (F1, F2, ... Fn) zeitgleich ermittelt und in den Fahrzeugen (F1, F2 ... Fn) zugeordneten Speichern (S1, S2 ... Sn) eingeschrieben werden, und daß die Zentrale Z die Speicher (S1, S2 ... Sn) zyklisch abfragt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Zeitgleichheit der Positionsdatenermittlung durch ein von der Zentrale (Z) generiertes und von allen Fahrzeugen (F1, F2 ... Fn) synchron empfangenes Auslösesignal hergestellt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Zeitgleichheit der Positionsdatenermittlung durch den Fahrzeugen (F1, F2 ... Fn) zugeordneten synchronisierten Zeitgebern hergestellt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Zeitgleichheit der Positionsdatenermittlung durch Verwendung der von einem GPS (Global Positioning System) oder DGPS (Differential Global Positioning System) abgeleiteten Systemzeit hergestellt wird.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß als Speicher (S1, S2 ... Sn) überschreibbare Datenspeicher verwendet werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19753741 | 1997-12-04 | ||
DE19753741A DE19753741A1 (de) | 1997-12-04 | 1997-12-04 | Verfahren zur Übermittlung von Positionsdaten |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0921511A2 true EP0921511A2 (de) | 1999-06-09 |
EP0921511A3 EP0921511A3 (de) | 2000-07-05 |
EP0921511B1 EP0921511B1 (de) | 2004-01-02 |
Family
ID=7850682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98440269A Expired - Lifetime EP0921511B1 (de) | 1997-12-04 | 1998-11-20 | Verfahren zur Übermittlung von Positionsdaten |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0921511B1 (de) |
AT (1) | ATE257266T1 (de) |
DE (2) | DE19753741A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001046934A1 (en) * | 1999-12-21 | 2001-06-28 | Zakrytoe Aktsionernoe Obschestvo 'east Line-Handling' | Real-time tracking and management of land-based vehicles on airports |
WO2003075588A1 (en) | 2002-03-01 | 2003-09-12 | Multicom Security Ab | Method, system, radio device, computer program and sim-card for alarm path monitoring |
US7266376B2 (en) | 2000-11-13 | 2007-09-04 | Sharp Kabushiki Kaisha | Method and device for providing information related to activity of user |
CN102129078A (zh) * | 2010-01-20 | 2011-07-20 | 厦门雅迅网络股份有限公司 | 上传车辆定位数据的方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1813128A1 (de) * | 1968-12-06 | 1970-06-25 | Chisholm John Peter | System zur Ermittlung und Anzeige des jeweiligen Standorts von Fahrzeugen |
US3644883A (en) * | 1969-12-29 | 1972-02-22 | Motorola Inc | Automatic vehicle monitoring identification location alarm and voice communications system |
US3697941A (en) * | 1971-07-01 | 1972-10-10 | Devenco Inc | Vehicle location system and method |
DE3932029A1 (de) * | 1988-12-15 | 1990-06-28 | Sven Dipl Ing Haase | Anlage zur positionserkennung von fahrzeugen innerhalb eines ueberwachungsgebietes |
GB2299695A (en) * | 1995-04-07 | 1996-10-09 | Centrepoint Technology Limited | Vehicle security systems |
EP0748085A1 (de) * | 1995-06-07 | 1996-12-11 | General Electric Company | Lokales Kommunikationsnetz für Leistungsreduzierung und erhöhter Zuverlässigkeit in einer Ordnungsanlage mit mehreren Knoten |
WO1997024626A2 (en) * | 1996-01-02 | 1997-07-10 | Micron Communications, Inc. | Itinerary monitoring system |
-
1997
- 1997-12-04 DE DE19753741A patent/DE19753741A1/de not_active Withdrawn
-
1998
- 1998-11-20 DE DE59810527T patent/DE59810527D1/de not_active Expired - Lifetime
- 1998-11-20 AT AT98440269T patent/ATE257266T1/de not_active IP Right Cessation
- 1998-11-20 EP EP98440269A patent/EP0921511B1/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1813128A1 (de) * | 1968-12-06 | 1970-06-25 | Chisholm John Peter | System zur Ermittlung und Anzeige des jeweiligen Standorts von Fahrzeugen |
US3644883A (en) * | 1969-12-29 | 1972-02-22 | Motorola Inc | Automatic vehicle monitoring identification location alarm and voice communications system |
US3697941A (en) * | 1971-07-01 | 1972-10-10 | Devenco Inc | Vehicle location system and method |
DE3932029A1 (de) * | 1988-12-15 | 1990-06-28 | Sven Dipl Ing Haase | Anlage zur positionserkennung von fahrzeugen innerhalb eines ueberwachungsgebietes |
GB2299695A (en) * | 1995-04-07 | 1996-10-09 | Centrepoint Technology Limited | Vehicle security systems |
EP0748085A1 (de) * | 1995-06-07 | 1996-12-11 | General Electric Company | Lokales Kommunikationsnetz für Leistungsreduzierung und erhöhter Zuverlässigkeit in einer Ordnungsanlage mit mehreren Knoten |
WO1997024626A2 (en) * | 1996-01-02 | 1997-07-10 | Micron Communications, Inc. | Itinerary monitoring system |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001046934A1 (en) * | 1999-12-21 | 2001-06-28 | Zakrytoe Aktsionernoe Obschestvo 'east Line-Handling' | Real-time tracking and management of land-based vehicles on airports |
SG96582A1 (en) * | 1999-12-21 | 2003-06-16 | Zakrytoye Aktsionernoye Obsche | The technique of real-time tracking and management of land-based vehicles of the airport |
US7266376B2 (en) | 2000-11-13 | 2007-09-04 | Sharp Kabushiki Kaisha | Method and device for providing information related to activity of user |
WO2003075588A1 (en) | 2002-03-01 | 2003-09-12 | Multicom Security Ab | Method, system, radio device, computer program and sim-card for alarm path monitoring |
CN102129078A (zh) * | 2010-01-20 | 2011-07-20 | 厦门雅迅网络股份有限公司 | 上传车辆定位数据的方法 |
CN102129078B (zh) * | 2010-01-20 | 2013-05-22 | 厦门雅迅网络股份有限公司 | 上传车辆定位数据的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19753741A1 (de) | 1999-06-10 |
EP0921511A3 (de) | 2000-07-05 |
ATE257266T1 (de) | 2004-01-15 |
EP0921511B1 (de) | 2004-01-02 |
DE59810527D1 (de) | 2004-02-05 |
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