EP1531443A1 - System, Gerät und Verfahren zur Fahrerunterstützung - Google Patents

System, Gerät und Verfahren zur Fahrerunterstützung Download PDF

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Publication number
EP1531443A1
EP1531443A1 EP03104179A EP03104179A EP1531443A1 EP 1531443 A1 EP1531443 A1 EP 1531443A1 EP 03104179 A EP03104179 A EP 03104179A EP 03104179 A EP03104179 A EP 03104179A EP 1531443 A1 EP1531443 A1 EP 1531443A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
rules
conduct
driving
behavior
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.)
Withdrawn
Application number
EP03104179A
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English (en)
French (fr)
Inventor
désignation de l'inventeur n'a pas encore été déposée La
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.)
Nagravision SARL
Original Assignee
Nagravision SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nagravision SA filed Critical Nagravision SA
Priority to EP03104179A priority Critical patent/EP1531443A1/de
Publication of EP1531443A1 publication Critical patent/EP1531443A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station

Definitions

  • the present invention relates to a system and method for driving assistance a vehicle in an area with rules of conduct. She also relates to a device for assisting the driving of a vehicle, device being embedded in the vehicle.
  • the present invention proposes to overcome the disadvantages of the systems of the prior art by providing a driving assistance system which indicates to the driver the adequacy between the rules of conduct and his own way of driving, depending on actual traffic conditions at the location where find the driver.
  • this system can be set up with a very flexible and light infrastructure.
  • a system for assisting the driving of a vehicle in a geographical area containing rules of conduct comprising means for determining the current position of the vehicle, characterized in that it further comprises storage means of a set of rules of conduct to be respected, means of determination of the rules to be complied with according to the current position of the vehicle and means, embedded in said vehicle, for comparison between the behavior of the vehicle and the rules of conduct to be followed.
  • a device to assist the driving of a vehicle in a geographical area containing rules of conduct comprising means for determining the current position of the vehicle, characterized in that it further comprises storage means of a set of rules of conduct to be respected and means of determination of current rules of conduct according to position current vehicle and means of comparison between the behavior of the vehicle and the current rules of conduct to be followed.
  • a method of assisting driving a vehicle in a geographical area containing rules of conduct in which each rule of conduct is associated with at least a value of at least one parameter related to the vehicle, this method comprising the steps for determining the current position of the vehicle, determination of the setpoint value of parameters related to the vehicle in according to the rules of conduct to be followed according to the current position of the vehicle, measuring at least one actual value of a parameter related to the vehicle and comparison between said actual value and the set value.
  • This system also offers good flexibility of use since the updating of the rules of conduct to be respected can be done centralized, for example in databases of a management center. This update can be done on an ad hoc basis, for example when a new road signs are put in place on a particular section, or overall when the legislation is amended. This can be the case when the maximum speed allowed on a road type is changed.
  • the device of the invention is embedded in the vehicle so that the driver himself is informed of the mistakes he makes. This allows the driver to better comply with the rules of conduct in place where he is.
  • This device can also memorize the behavior of the vehicle, which could be used for example in the event of an accident, for determine a liability. It is possible to memorize all parameters recorded during for example the last 10 minutes of conduct.
  • the system according to the invention is formed of two distinct entities.
  • One of these entities contains general information valid for all vehicles and the other entity is specifically related to each vehicle.
  • the first entity containing general information is advantageously achieved in the form of a management center 10.
  • the management center comprises in particular a database 11 containing information concerning each section of road memorized, as well as indications relating to traffic rules to respect on this section.
  • the structure of this database data is illustrated in Figure 3a.
  • This database contains a identifier of the section T10, T11, ..., with an indication of a position of the beginning of D10, D11, ... of the section and an indication of a ending geographical position F10, F11, ... of the section, together with one or several rules to respect on this section.
  • Position indications Geographical information is usually given in the form of coordinates.
  • the management center contains a second database 12 containing indications relating to road signs.
  • the structure of this database data is illustrated in Figure 3b. It contains an indication geographical position relating to the position of the road indication of the type of signal and an indication of one or more rules respect.
  • the management center also contains storage facilities for a set of rules of conduct to be respected, these means of storage being made in the form of a rules database.
  • data contains, as shown in Figure 3c, a list of rules of conduct that the vehicle may be confronted with, each rule being associated with parameter values.
  • a sensor C1 can measure the speed of the vehicle.
  • Another C2 sensor can detect the use of the left flashing light while a C3 sensor detects the use of the fire Right Turn Signal.
  • One of the rules, referenced 100 in Figure 3c indicates that the speed measured by the C1 sensor must not exceed 60 km / h.
  • the result of the measurement of the sensors C2 and C3 is indifferent for the rule 100.
  • Rule 102 corresponds to a zero speed measured by the C1 sensor, which corresponds to a complete stop of the vehicle.
  • Traffic rules can be associated with signaling as well only to sections without signaling. Thus, a signal of "STOP" will be associated with the traffic rule “Total stop of vehicle movement” then each section without special signage may be associated with the maximum speed allowed on this section. Other traffic rules could be that each change of direction should be indicated at means of the vehicle's flashing light, or that if there is no indication, the priority be granted to the vehicle from his right.
  • each section of road and each road signal memorized in the management center with their geographical coordinates can therefore be associated with setpoints of different sensors of the vehicle.
  • the management center also includes transmission means 14 setpoints of the various parameters. These means of transmission allow the values to be sent to the vehicle.
  • the second entity linked to each vehicle, constitutes a device to assist the driving the vehicle.
  • This device comprises means 15 for determining of the current position of the vehicle, means 16 for determining the rules of conduct to be followed according to the current position of the vehicle and means 17 for comparing the behavior of the vehicle with the rules of conduct to be respected.
  • the means 15 for determining the current position of the vehicle are essentially formed of a satellite positioning system, such as a GPS (Global Positioning System).
  • a satellite positioning system such as a GPS (Global Positioning System).
  • GPS Global Positioning System
  • the means 16 for determining the rules of conduct to be respected determine, depending on the current position of the vehicle and information from the management center, what are the rules that apply to the vehicle. These rules are deduced from the database of sections 11 and the base of the traffic signals 12.
  • the vehicle in which the device of the invention is installed comprises a number of C sensors to measure different parameters related to the operation of the vehicle and to detect what are the actions undertaken by the driver.
  • these sensors there is notably a speed sensor, a flashing light use detector, etc.
  • the speed sensor it should be noted that the speed can be calculated directly by the positioning system GPS. In the case where the only parameter measured is the speed, it is possible to realize a device embedded in the vehicle, entirely autonomous, that is, it does not require any connection between the vehicle and the device. Thus, it is possible to equip any vehicle, simply by placing the device in this vehicle.
  • the device of the invention also comprises receiving means 18 information related to the rules of conduct. These reception means essentially allow communication with the management center and particular to receive parameter values according to a position geographical area of the vehicle.
  • Reception means are generally associated with a temporary information storage area 19 which allows store some of the information from the management center that is useful for the vehicle.
  • the temporary storage area 19 is a small-sized memory that allows to store the rules of conduct for a given region. When the motorist leaves this region or approaches the limit of this region, communication is established between the device and a management center which sends the data of the new region.
  • a UMTS type connection is suitable to this type of data transfer because the device remains somehow constantly connected with the management center without any data being exchanged permanently.
  • overflow data can be transmitted for treatment.
  • This possibility allows, preferably in an anonymous way, to qualify the different sections of road and to intervene when a Repetition of overtaking is found on many vehicles. It is thus possible to act in a preventive way to develop the environment (slowdown threshold, more visible signage, ...) than to wait for the number of accidents to provoke reactions.
  • the device may further include a memory 20 for storing parameter values as a function of time as well as means to qualify the behavior of the driver, as is explained in detail below.
  • This device can also have a card reader or other object removable.
  • This object is personal and distributed with the obtaining of the permit of drive. Without this object introduced into the device, the vehicle will not be able to start. Thus, all overtaking will be associated with the driver and this the last is therefore empowered.
  • the data can be communicated to a treatment center if you want to associate a repressive component audit device, either during sporadic checks or by remote transmission.
  • This device When the driver starts a journey, he switches on the assistance device driving on board his vehicle. This device first transmits the the actual geographical position of the vehicle as measured by GPS at management Center. This is represented by a step 30 in FIG. message containing the position also includes an identifier of the vehicle, so that the information sent by the management center is received by the vehicle concerned and not by another.
  • the information from the management center is then loaded during a step 31 in the temporary storage area 19 of the vehicle device.
  • the information loaded is in particular the set values of the different sensors of the vehicle, for each section and road sign for example, less than 50 km from the vehicle.
  • the GPS determines which is the position of the vehicle, which can be inferred from the information contained in the storage area what are the rules of conduct to respect and what are the set values of the different parameters. This is done in a step 32.
  • the actual output values of the sensors are measured in a step 33. These actual values as well as the set values are introduced in the comparison means during a step 34 to determine the adequacy between the behavior of the vehicle and the rules of conduct. If the result of the comparison indicates that the driver complies the traffic rules, no information is stored. On the other hand, if comparison indicates that the driver does not comply with the rules of circulation, this information is stored in a step 35 in the memory of the device. This information can be associated with a duration for example, or other parameters such as time or place this offense. It can also be associated with a "degree of gravity" of the fault committed.
  • a speeding of 15 km / h during a duration of 30 seconds can be considered as a fault "less serious "that exceeding 10 km / h for 10 minutes, for example. exceeding a set point is usually also reported to the driver by an audible and / or visual alarm, so that the driver is informed of this overrun. Such an alarm can also be given in the form of a voice message that describes the fault at driver or who explains to him the behavior he should have had.
  • Figure 2 illustrates an example of a situation that can be encountered Actually.
  • the route taken by the driver consists of a first section T10 starting with point D10 and ending point F10. What is the speed limit 60 km / h and the section contains a "STOP" signal in a P50 position.
  • the moving continues with a left turn, to reach the stretch T12 beginning with point D12 and end point F12. It is to highlight that the geographical coordinates of D12 are identical to those of F10.
  • the speed of this stretch is also limited to 60 km / h.
  • the course is continues with a section T13 beginning with the point D13, corresponding to the point F12, and for end, point F13. This section starts with a signal of maximum speed change allowed at 80 km / h, this signal being placed at point P60.
  • the section T10 is associated with a traffic rule referenced 100 on the FIGS. 3a and 3c, this rule corresponding to a maximum authorized speed 60 km / h.
  • the section T12 is associated with this same rule 100, whereas the section T13 is associated with a rule bearing the reference 101 and corresponding at a maximum speed of 80 km / h.
  • the "STOP" signal at position P50 is associated with the traffic rule referenced 102, which corresponds to the complete stopping of the vehicle, a speed nothing. This signal is also associated with either of the rules 103 or 104, which indicates that the right or left flashing light must be engaged.
  • the maximum speed change signal P60 is associated with rule 101, corresponding to a maximum speed of 80 km / h.
  • the management center determines, according to the rules concerned, which are the set values of the parameters measured by the sensors of the vehicle. Assuming that the C1 sensor measures the speed of the vehicle, that C2 measures the use of the left flashing light and C3 the use of the fire flashing right, rule 100 will indicate as a set value for the C1 sensor, the value of 60 km / h and an indifferent value for the sensors C2 and C3. Rule 101 corresponds to a maximum authorized speed of 80 km / h, a setpoint value 80 for the sensor C1 and values indifferent for sensors C2 and C3. Rule 102 corresponds to the judgment of the vehicle, ie a zero reference value for the sensor C1 and indifferent values for sensors C2 and C3.
  • Rule 102 corresponds when using the left flashing light, a set value 1 for the sensor C2, a setpoint value 0 for the sensor C3 and a value indifferent for the C1 sensor.
  • Rule 103 corresponding to the use of right blinker is associated with a setpoint value 0 for the C2 sensor, a setpoint value 1 for the sensor C3 and an indifferent value for the C1 sensor.
  • the set values of the different sensors, as well as the geographical positions of the beginnings and end of sections are sent to the vehicle device in the storage area.
  • the actual output values of the different sensors are measured at intervals and then compared with the set values in the means for comparing the device of the vehicle.
  • the result of the comparison can be memorized to be displayed later for the driver or can be processed immediately.
  • a signal sound or a signal light is displayed when the speed of the driver exceeds the maximum permitted speed.
  • the difference between the actual speed and the maximum speed allowed is associated with a "degree of severity". So, a real speed between 60 and 70 km / h can be associated with a low degree of severity, a speed between 70 and 80 km / h can be considered as being of gravity average and a speed exceeding 80 km / h will be considered as a serious misconduct.
  • the driver When the driver arrives at the STOP sign, which is detected by comparing the current position of the vehicle given by the GPS and the position of the panel indicated by the database, it must stop, according to the traffic rules associated with each panel.
  • the determination the speed of the vehicle can indicate whether the vehicle has stopped or not. As before, the minimum speed may be associated with a degree of gravity. The complete stop of the vehicle will be considered as behavior just, a speed lower than 5 km / h can be considered as a fault low gravity, etc.
  • the referenced rule of conduct 103 wants him to indicate his new direction by his flashing light. Use of this fire can be detected and treated as before. Non-use fire can be considered a misconduct.
  • the introduction of signaling data into the database of Management Center data can be done in different ways. According to a first way, this introduction is made by a security service on the basis of digitized maps. In a second way, he is possible to move with each signal that you want introduce, then transmit a signal to the management center, this signal containing the geographical position determined by means of a GPS and the nature of the signal considered.
  • a third way of constituting the basis of data involves equipping a number of drivers with a transmitter combined with a GPS. In this case, when one of these drivers passed near a traffic signal, he sends a message to management center, this message containing as before the position and the nature of the signal.
  • the sending of the message can be triggered by a voice control of the driver, this command also indicating the nature of the signal using a number of keywords.
  • the traffic indications are static so that a Once introduced into the database, the actions to be undertaken by the driver at a given location do not change. This is obviously not not the case for indications such as traffic lights. It is however, it is possible to associate each traffic light with a transmitter that transmits on the one hand its current color (green, orange or red) and on the other hand, a ID number.
  • the vehicle can be equipped with a suitable sensor that receives the message about the color associated with the identifier. Even in the If several lights are located nearby, there is no need to determine in advance which of these lights is to be taken into account in order to each vehicle. Indeed, each fire, and therefore the identification number of each of them, is associated with one or more directions, which is known from the management center. By determining a posteriori the direction taken the vehicle, it is possible to determine which of the lights concerned this vehicle. So, it is possible to know after the fact, if the driver has respected the signaling or not.
  • the information relating to the values of the parameters were introduced for a distance of 50 km around the departure of the vehicle. It is possible to renew this information, for example every 1 ⁇ 4 hours to ensure that the driver does not go out not the area for which he has the data. It is also possible to define in advance a route that you wish to perform, then to load the necessary information from a network such as the Internet and save these indications on a medium such as a Flash memory.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Traffic Control Systems (AREA)
EP03104179A 2003-11-13 2003-11-13 System, Gerät und Verfahren zur Fahrerunterstützung Withdrawn EP1531443A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03104179A EP1531443A1 (de) 2003-11-13 2003-11-13 System, Gerät und Verfahren zur Fahrerunterstützung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03104179A EP1531443A1 (de) 2003-11-13 2003-11-13 System, Gerät und Verfahren zur Fahrerunterstützung

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EP1531443A1 true EP1531443A1 (de) 2005-05-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014116153A1 (en) * 2013-01-28 2014-07-31 Telefonaktiebolaget L M Ericsson (Publ) Apparatus, server, and method for controlling traffic flow in road network

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955210A2 (de) * 1998-05-07 1999-11-10 Jaguar Cars Limited Umgebungabhängiges Funktionenunterdrückungssystem
EP1090800A2 (de) * 1999-10-07 2001-04-11 Marco Sarti Eingebaute automatische Anlage zum Detektieren, Aufnehmen und eventuell Bestrafen von illegalen und/oder gefährlichem Fahren eines Kraftfahrzeuges
US6265989B1 (en) * 2000-06-17 2001-07-24 Richard Taylor GPS enabled speeding detector
US6462675B1 (en) * 2000-10-13 2002-10-08 International Business Machines Corporation Method, system, and program for auditing driver compliance to a current speed limit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955210A2 (de) * 1998-05-07 1999-11-10 Jaguar Cars Limited Umgebungabhängiges Funktionenunterdrückungssystem
EP1090800A2 (de) * 1999-10-07 2001-04-11 Marco Sarti Eingebaute automatische Anlage zum Detektieren, Aufnehmen und eventuell Bestrafen von illegalen und/oder gefährlichem Fahren eines Kraftfahrzeuges
US6265989B1 (en) * 2000-06-17 2001-07-24 Richard Taylor GPS enabled speeding detector
US6462675B1 (en) * 2000-10-13 2002-10-08 International Business Machines Corporation Method, system, and program for auditing driver compliance to a current speed limit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014116153A1 (en) * 2013-01-28 2014-07-31 Telefonaktiebolaget L M Ericsson (Publ) Apparatus, server, and method for controlling traffic flow in road network

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