SE538129C2 - A device for changing a flow direction through a heat - Google Patents

A device for changing a flow direction through a heat Download PDF

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Publication number
SE538129C2
SE538129C2 SE1451116A SE1451116A SE538129C2 SE 538129 C2 SE538129 C2 SE 538129C2 SE 1451116 A SE1451116 A SE 1451116A SE 1451116 A SE1451116 A SE 1451116A SE 538129 C2 SE538129 C2 SE 538129C2
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SE
Sweden
Prior art keywords
bus
vehicle
departure
arrangement
approaching
Prior art date
Application number
SE1451116A
Other languages
English (en)
Other versions
SE1451116A1 (sv
Inventor
Jon Andersson
André Claesson
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE1451116A priority Critical patent/SE1451116A1/sv
Priority to DE102015011320.8A priority patent/DE102015011320A1/de
Publication of SE538129C2 publication Critical patent/SE538129C2/sv
Publication of SE1451116A1 publication Critical patent/SE1451116A1/sv

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • 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
    • G08G1/096791—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 another vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • 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
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/161—Decentralised systems, e.g. inter-vehicle communication
    • G08G1/162—Decentralised systems, e.g. inter-vehicle communication event-triggered
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Traffic Control Systems (AREA)

Description

538 129 Another object of the present invention is to provide a system for securing safe departure of a bus from a bus stop from a standstill of the bus involving an initial change of |atera| position of the bus which reduces risk for an accident involving an approaching vehicle.
SUMMARY OF THE INVENTION These and other objects, apparent from the following description, are achieved by a method, a system, a bus, a computer program and a computer program product, which are of the type stated by way of introduction and which in addition exhibits the features recited in the characterising clause of the appended independent claims. Preferred embodiments of the method and the system are defined in appended dependent claims.
Specifically an object of the invention is achieved by a method for securing safe departure of a bus from a bus stop from a standstill of the bus, said departure comprising an initial change of |atera| position, comprising the step of determining whether any other vehicle is approaching constituting a hazard regarding said change of |atera| position, characterized by the steps of establishing contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement provided that such an arrangement is available; and, if such an arrangement is available, communicating information about the intention of the departure comprising an initial change of |atera| position; or, if such an arrangement is not available, activating a warning comprising the step of generating a projection on the ground by illumination disclosing the intended change of |atera| position associated with said departure.
Hereby the risk for an accident involving an approaching vehicle is reduced in that it is secured that the approaching vehicle gets the information, if possible via vehicle-to-vehicle communication e.g. on a display and/or via an alarm/a voice, but if this possibility does not exist, i.e. if the approaching vehicle and/or the bus is not equipped with such a communication arrangement, the 10 15 20 25 30 538 129 driver of the approaching vehicle will still receive a warning through the projection by iilumination of the Iane which is a very efficient way of getting the attention of the driver.
According to an embodiment the method further comprises the steps of determining whether said approaching vehicle has perceived said information about the intention of the departure and is acting accordingly by giving way to the departing bus, and, if not, activate an emergency brake arrangement of the approaching vehicle and/or the bus in order to prevent an accident.
Hereby the risk for an accident involving the approaching vehicle is further reduced and can thus be avoided even if the driver does not react to the warning.
According to an embodiment the method further comprises the step of determining if legal conditions for approaching vehicles to give way for the departing bus exist, and, if said vehicle-to-vehicle communication arrangement is available, the step of communicating information about the intention of the departure comprising an initial change of lateral position comprises information about the obligation of giving way for the departing bus, and if said vehicle-to-vehicle communication arrangement is not available, the step of activating a warning comprising the step of generating a projection on the ground by iilumination disclosing the intended change of lateral position associated with said departure comprises an instruction to give way to the bus. Hereby the risk for an accident involving an approaching vehicle is reduced in that it is secured that the approaching vehicle gets the information including the legal conditions, if possible via vehicle-to-vehicle communication e.g. on a display and/or via an alarm/a voice, but if this possibility does not exist, i.e. if the approaching vehicle and/or the bus is not equipped with such a communication arrangement, the driver of the approaching vehicle will still receive a warning including information about the legal conditions through the projection by iilumination of the Iane which is a very efficient way of getting the attention of the driver. 10 15 20 538 129 According to an embodiment of the method the step of activating an emergency brake arrangement is applied to the approaching vehicle if legal conditions for approaching vehicles to give way for the departing bus exist.
Hereby the risk for an accident involving the approaching vehicle is further reduced and can thus be avoided even if the driver does not react to the warning.
Specifically an object of the invention is achieved by a system for securing safe departure of a bus from a bus stop from a standstill of the bus according to independent system claim 5.
The system further comprises the embodiments according to the dependent system claims 6-9.
The system according to the invention has the advantages according to the corresponding method claims.
BRIEF DESCRIPTION OF THE DRAWINGS A better understanding of the present invention will be had upon the reference to the following detailed description when read in conjunction with the accompanying drawings, wherein like reference characters refer to like parts throughout the several views, and in which: Fig. 1 schematically illustrates a scenario involving a bus according to the present invention; Fig. 2 schematically illustrates a system for securing safe departure of a bus from a bus stop from a standstill of the bus according to an embodiment of the present invention; 10 15 20 25 538 129 Fig. 3 schematically illustrates a block diagram of a method for securing safe departure of a bus from a bus stop from a standstill of the bus according to an embodiment of the present invention; and Fig. 4 schematically illustrates a computer according to an embodiment of the present invention.
DETAILED DESCRIPTION Hereinafter the term "link" refers to a communication link which may be a physical connector, such as an optoelectronic communication wire, or a non- physical connector such as a wireless connection, for example a radio or microwave link.
Hereinafter the term “vehicle-to-vehicle communication arrangement” refers to any wireless communication arrangement between a bus at a bus stop by departure and a vehicle approaching the bus such as for example a radio or microwave link, Wi-Fi, Bluetooth, or the like.
Fig. 1 schematically illustrates a scenario involving a bus 1 travelling along a predetermined route R and has made a stop at a bus stop H and is ready to depart from the bus stop H from a standstill of the bus 1, said departure comprising an initial change of lateral position to a lane of said route R.
The scenario further involves another vehicle 2 approaching the bus 1. There is thus a risk for an accident involving an approaching vehicle.
The bus 1 comprises means for determining whether any other vehicle 2 is approaching constituting a hazard regarding said change of lateral position.
The bus 1 is according to an embodiment equipped with a communication unit for establishing contact with other vehicles in a vehicle-to-vehicle arrangement. 10 15 20 25 538 129 The bus 1 is arranged to determine whether the approaching vehicle also is equipped with a communication unit for establishing contact with the bus in such a vehicle-to-vehicle arrangement. lf such a vehicle-to-vehicle arrangement is available the bus comprises means 120 for establishing contact with an approaching vehicle via a wireless link L and means 130 for communicating information about its intention to depart involving the initial change of lateral position, i.e. that the bus 1 will depart into the lane of the approaching vehicle 2. The vehicle will thus receive information, e.g. on a display unit and/or superimposed on the wind screen and/or by sound alarm/ voice alarm. lf such a vehicle-to-vehicle arrangement is not available the bus 1 comprises means for activating a warning comprising means 142 for generating a projection P on the ground by illumination disclosing the intended change of lateral position associated with said departure.
The oncoming vehicle 2 comprises means 200 for communicating with the non-moving vehicle 1, the means 200 being comprised in the vehicle-to- vehicle arrangement. The means 200 is thus arranged to receive information about the departing bus and may comprise display means and/or audible means and/or means for superimposing information on the wind screen, for thus presenting the information to the driver of the approaching vehicle 2.
The warning means 130 including the means 120 for establishing contact and means for communicating and the link L are comprised in the vehicle-to- vehicle communication arrangement.
The vehicle 1 comprises and/or is connected to a system I, not shown in fig. 1, for securing safe departure of a bus 1 from a bus stop H from a standstill of the bus, an embodiment of the system I being shown in fig. 2.
Fig. 2 schematically illustrates a system I for securing safe departure of a bus 1 from a bus stop H from a standstill of the bus 1, said departure comprising an initial change of lateral position. 10 15 20 25 538 129 The system I comprises an electronic control unit 100. The electronic control unit 100 is arranged in the bus.
The system I is connectable to and/or comprises an electronic control unit 200 of an approaching vehicle, the electronic control unit 200 being or comprising communication means for establishing a vehicle-to-vehicle communication arrangement with another vehicle such as said bus and arranged to receive information such as warnings to be displayed on a display unit and/or to be presented in the approaching vehicle in the form of an alarm or the like.
The system I comprises means 110 for determining whether any other vehicle is approaching constituting a hazard regarding said change of lateral position.
The means 110 for determining whether any other vehicle is approaching constituting a hazard regarding said change of lateral position may comprise any suitable detection means for detecting an approaching vehicle. The means 110 comprises according to an embodiment one or more camera units. The means 110 comprises according to an embodiment one or more radar units.
The system I further comprises means 120 for establishing contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement V2V provided that such an arrangement is available.
The system I further comprises means 130 for communicating information about the intention of the departure comprising an initial change of lateral position, if such an arrangement is available.
The system I further comprises means 140 for activating a warning for the intended change of lateral position associated with the departure of the bus.
The means 140 for activating a warning comprises means 142 for generating a projection on the ground by illumination disclosing the intended change of 10 15 20 25 538 129 lateral position associated with said departure, if such an arrangement is not available. Said means 142 for generating a projection on the ground by illumination may comprise any suitable light means for illuminating the ground. The projection may comprise any suitable symbol and/or text in order to inform the driver of the approaching vehicle of departing bus about to enter into its lane such as an arrow and/or a warning. Said means 142 for generating a projection on the ground by illumination may comprise means for flashing the illuminated projection on the ground in order to get the attention of the driver of the approaching vehicle.
The system I further comprises means 150 for determining whether said approaching vehicle has perceived said information about the intention of the departure and is acting accordingly by giving way to the departing bus.
The means 150 for determining whether said approaching vehicle has perceived said information about the intention of the departure may comprise any suitable means such as means for detecting the speed and possible change of speed, i.e. deceleration, of the approaching vehicle.
The means 150 for determining whether said approaching vehicle has perceived said information about the intention of the departure may comprise or be comprised in said means 110 for detecting the approaching vehicle.
The means 150 for determining whether said approaching vehicle has perceived said information about the intention of the departure may comprise or be comprised in said vehicle-to-vehicle communication arrangement V2V including the means 120 for establishing contact with the approaching vehicle and the means 130 for communicating, which means 130 according to an embodiment is also arranged to receive information from the approaching vehicle including possible perception of the information within the vehicle-to- vehicle communication arrangement V2V.
The system I further comprises means 160 for activating an emergency brake arrangement in order to prevent an accident, if said approaching 10 15 20 25 538 129 vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus.
The means 160 for activating an emergency brake arrangement in order to prevent an accident comprises means for activating any suitable brake of the bus and/or the approaching vehicle in order to prevent an accident. Means for activating a brake comprises decelerating the approaching vehicle to a speed so that an accident can be avoided.
The means 160 for activating an emergency brake arrangement comprises means 162 for activating an emergency brake arrangement of the approaching vehicle in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus.
The means 160 for activating an emergency brake arrangement comprises means 164 for activating an emergency brake arrangement of the bus in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus.
The means 160 for activating an emergency brake arrangement may comprise or be comprised in said vehicle-to-vehicle communication arrangement V2V including the means 130 for communicating, which means 130 according to an embodiment is also arranged to send brake activation data to an electronic control unit 200 of the approaching vehicle for activation of brakes/retardation of the approaching vehicle.
The system I further comprises means 170 for determining if legal conditions for approaching vehicles to give way for the departing bus exist. Said means 170 for determining if legal conditions for approaching vehicles to give way for the departing bus exist comprises according to an embodiment route determination means 172, said route determination means comprising a map information unit comprising information about legal conditions and/or speed 10 15 20 25 538 129 limits along the route of the bus and in connection to bus stops, and means for determining the position of the bus comprising a global positioning system. Said means 170 for determining if legal conditions for approaching vehicles to give way for the departing bus exist comprises according to an embodiment means 174 for determining speed limits such as a camera unit, and means for comparing the speed limit at the current position with the speed limit below which the legal conditions apply, e.g. 50 km/h. lf legal conditions for approaching the approaching vehicle to give way for the departing bus exist and if said vehicle-to-vehicle communication arrangement V2V is available, said means 130 for communicating information about the intention of the departure comprising an initial change of lateral position comprises information about the obligation of giving way for the departing bus 1. lf legal conditions for approaching the approaching vehicle to give way for the departing bus exist and if said vehicle-to-vehicle communication arrangement V2V is not available, said means 140 for activating a warning comprising means 142 for generating a projection P on the ground by illumination disclosing the intended change of lateral position associated with said departure comprises an instruction to give way to the bus 1. lf legal conditions for approaching the approaching vehicle to give way for the departing bus exist the means 160 for activating an emergency brake arrangement is applied to the approaching vehicle, i.e. the means 162 for activating an emergency brake arrangement is applied.
The system I comprises according to an embodiment means 180 for determining whether a vehicle-to-vehicle communication arrangement is available. The means 180 for determining whether a vehicle-to-vehicle communication arrangement is available is according to a variant comprised in said means 120 for establishing contact with the approaching vehicle such that if no contact is established it is determined that a vehicle-to-vehicle 10 10 15 20 25 538 129 communication arrangement is not available. The means 180 for determining whether a vehicle-to-vehicle communication arrangement is available is according to a variant comprised in said means 110.
The system I comprises according to an embodiment means 190 for determining the intention of the bus to depart from a standstill of the bus, said departure comprising an initial change of lateral position. The means for determining departure of the bus from a standstill comprises according to an embodiment driver input such as activation of indicator/blinker, change of gear to drive position, release of brake means for allowing the departure, time for departure according to time table or the like. These drive inputs may be determined by any suitable sensing means.
The means 190 for determining the intention of the bus to depart from a standstill determining activation of indicator/blinker. The means 190 for determining the involving change of lateral position comprises means for intention of the bus to depart from a standstill involving change of lateral position comprises means for determining gear change. The means 190 for determining the intention of the bus to depart from a standstill involving change of lateral position comprises means for determining release of brake means. The means 190 for determining the intention of the bus to depart from a standstill involving change of lateral position comprises means for determining departure time for the bus.
The electronic control unit 100 is signal connected to the means 110 for determining whether any other vehicle is approaching constituting a hazard regarding said change of lateral position via a link 10. The electronic control unit 100 is via the link 10 arranged to receive a signal from said means 110 representing hazard data for approaching vehicle.
The electronic control unit 100 is signal connected to the means 120 for establishing contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement via a link 20. The electronic control unit 100 is 11 10 15 20 25 538 129 via the link 20 arranged to receive a signal from said means 120 representing data for established contact with an approaching vehicle within a vehicle-to- vehicle arrangement.
The electronic control unit 100 is signal connected to the means 130 for communicating information about the intention of the departure comprising an initial change of lateral position via a link 30. The electronic control unit 100 is via the link 30 arranged to send a signal to said means 130 representing data about the intention of the departure of the bus involving a lateral change of direction.
The electronic control unit 200 is signal connected to the means 120 for establishing within a vehicle-to-vehicle communication arrangement via a link 20a. The electronic control unit 200 is via the link 20 arranged to receive a signal from said means 120 representing data for established contact with the bus within a vehicle-to-vehicle arrangement.
The electronic control unit 200 is signal connected to the means 130 for communicating information about the intention of the departure comprising an initial change of lateral position via a link 30. The electronic control unit 200 is via the link 30 arranged to receive a signal from said means 130 representing data about the intention of the departure of the bus involving a lateral change of direction.
The electronic control unit 100 is signal connected to the means 140 for activating a warning for the intended change of lateral position associated with the departure of the bus via a link 40. The electronic control unit 100 is via the link 40 arranged to receive a signal from said means 140 representing activation data for activating a warning for the intended change of lateral position associated with the departure of the bus.
The electronic control unit 100 is signal connected to the means 142 for generating a projection on the ground by illumination disclosing the intended change of lateral position associated with said departure via a link 42. The 12 10 15 20 25 538 129 electronic control unit 100 is via the link 42 arranged to receive a signal from said means 142 representing projection data for projecting a warning for the intended change of lateral position associated with the departure of the bus on the ground by illumination.
The electronic control unit 100 is signal connected to the means 150 for determining whether said approaching vehicle has perceived said information about the intention of the departure and is acting accordingly by giving way to the departing bus via a link 50. The electronic control unit 100 is via the link 50 arranged to receive a signal from said means 150 representing perception data determining whether said approaching vehicle has perceived said information about the intention of the departure and is acting accordingly by giving way to the departing bus.
The electronic control unit 100 is signal connected to the means 160 for activating an emergency brake arrangement in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus via a link 60. The electronic control unit 100 is via the link 60 arranged to send a signal to said means 160 representing brake activation data for activating an emergency brake arrangement in order to prevent an accident.
The electronic control unit 100 is signal connected to the means 162 for activating an emergency brake arrangement of the approaching vehicle in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus via a link 62a. The electronic control unit 100 is via the link 62a arranged to send a signal to said means 162 representing brake activation data for activating an emergency brake arrangement of the approaching vehicle in order to prevent an accident. 13 10 15 20 25 538 129 The electronic control unit 100 is signal connected to the means 164 for activating an emergency brake arrangement of the bus in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus via a link 64. The electronic control unit 100 is via the link 64 arranged to send a signal to said means 164 representing brake activation data for activating an emergency brake arrangement of the bus in order to prevent an accident.
The electronic control unit 200 is signal connected to the means 162 for activating an emergency brake arrangement of the approaching vehicle in order to prevent an accident, if said approaching vehicle has not perceived said information about the intention of the departure and is not acting accordingly by giving way to the departing bus via a link 62b. The electronic control unit 200 is via the link 62b arranged to receive a signal from said means 162 representing brake activation data for activating an emergency brake arrangement of the approaching vehicle in order to prevent an accident.
The electronic control unit 100 is signal connected to the means 170 for determining if legal conditions for approaching vehicles to give way for the departing bus exist via a link 70. The electronic control unit 100 is via the link 70 arranged to receive a signal from said means 170 representing data for legal conditions regarding right of way for the bus.
The electronic control unit 100 is signal connected to the route determination means 172 via a link 72. The electronic control unit 100 is via the link 72 arranged to receive a signal from said means 172 representing data for the current position of the route including one or more of: data for legal condition, speed limit data and position data for the bus so as to determine legal conditions regarding right of way for the bus. 14 10 15 20 25 538 129 The electronic control unit 100 is signal connected to the means 174 for determining speed limits via a link 74. The electronic control unit 100 is via the link 74 arranged to receive a signal from said means 174 representing speed limit data for speed limits on the current position of the bus along the route so as to determine legal conditions regarding right of way for the bus.
The electronic control unit 100 is signal connected to the means 180 for determining whether a vehicle-to-vehicle communication arrangement is available via a link 80. The electronic control unit 100 is via the link 80 arranged to receive a signal from said means 180 representing availability data for availability of a vehicle-to-vehicle communication arrangement for the approaching vehicle.
The electronic control unit 100 is signal connected to the means 190 for determining the intention of the bus to depart from a standstill of the bus, said departure comprising an initial change of lateral position via a link 90. The electronic control unit 100 is via the link 90 arranged to receive a signal from said means 190 representing data for intention to depart involving change of lateral position into lane of approaching vehicle.
The electronic control unit 100 is arranged to process said data for intention to depart involving change of lateral position into lane of approaching vehicle, said hazard data for approaching vehicle, availability data for availability of a vehicle-to-vehicle communication arrangement for the approaching vehicle and, if vehicle-to-vehicle communication arrangement is available, data for established contact with an approaching vehicle within a vehicle-to-vehicle arrangement and send data about the intention of the departure of the bus involving a lateral change of direction to the approaching vehicle within the vehicle-to-vehicle arrangement. The electronic control unit 200 is arranged to process said data about the intention of the departure of the bus and present information thereof to the driver of the approaching vehicle. 15 10 15 20 25 538 129 The electronic control unit 100 is arranged to process said hazard data for approaching vehicle, availability data for availability of a vehicle-to-vehicle communication arrangement for the approaching vehicle and, if vehicle-to- vehicle communication arrangement is not available, data for generating a projection on the ground by illumination disclosing the intended change of lateral position associated with said departure.
The electronic control unit 100 is arranged to process said perception data determining whether said approaching vehicle has perceived said information about the intention of the departure and is acting accordingly by giving way to the departing bus and send brake activation data for activating an emergency brake arrangement in order to prevent an accident if the approaching vehicle has not perceived the information. The electronic control unit 200 is arranged to process said brake activation data and activate a brake arrangement in order to prevent an accident.
The electronic control unit 100 is arranged to process said data for legal conditions regarding right of way for the bus and send about the intention of the departure of the bus involving a lateral change of direction to the approaching vehicle including information of right of way of the bus within the vehicle-to-vehicle arrangement if available and if not available process the activation data for generating a projection on the ground by illumination disclosing the intended change of lateral position associated with said departure including the right of way of the bus.
Fig. 3 schematically illustrates a block diagram of a method for securing safe departure of a bus from a bus stop from a standstill of the bus according to an embodiment of the present invention.
According to the embodiment the method for securing safe departure of a bus from a bus stop from a standstill of the bus comprises a step S1. ln this step it is determined whether any other vehicle is approaching constituting a hazard regarding said change of lateral position. 16 10 15 20 25 538 129 According to the embodiment the method for securing safe departure of a bus from a bus stop from a standstill of the bus comprises a step S2a. ln this step contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement, V2V, is established provided that such an arrangement is available.
According to the embodiment the method for securing safe departure of a bus from a bus stop from a standstill of the bus comprises a step S3. ln this step if such a vehicle-to-vehicle communication arrangement is available, information about the intention of the departure comprising an initial change of lateral position is communicated to the approaching vehicle.
According to the embodiment the method for securing safe departure of a bus from a bus stop from a standstill of the bus comprises a step S2b. ln this step if such an arrangement is not available, a warning comprising the step of generating a projection on the ground by illumination disclosing the intended change of lateral position associated with said departure activating.
The method comprises according to an embodiment the step of determining whether a vehicle-to-vehicle communication arrangement is available with the approaching vehicle.
The method comprises according to an embodiment the initial step of determining the intention of the bus to depart from a standstill of the bus, said departure comprising an initial change of lateral position.
With reference to figure 4, a diagram of an apparatus 500 is shown. The control unit 100 described with reference to fig. 2 may according to an embodiment comprise apparatus 500. Apparatus 500 comprises a non- volatile memory 520, a data processing device 510 and a read/write memory 550. Non-volatile memory 520 has a first memory portion 530 wherein a computer program, such as an operating system, is stored for controlling the function of apparatus 500. Further, apparatus 500 comprises a bus controller, a serial communication port, I/O-means, an A/D-converter, a time date entry 17 10 15 20 25 30 538 129 and transmission unit, an event counter and an interrupt controller (not shown). Non-volatile memory 520 also has a second memory portion 540.
A computer program P is provided comprising for routines for securing safe departure of a bus from a bus stop from a standstill of the bus, said departure comprising an initial change of lateral position according to an embodiment of the present invention according to the innovative method. The program P comprises routines for determining whether any other vehicle is approaching constituting a hazard regarding said change of lateral position. The program P comprises routines for establishing contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement provided that such an arrangement is available. The program P comprises routines for communicating information about the intention of the departure comprising an initial change of lateral position if such a vehicle-to-vehicle communication arrangement is available. The program P comprises routines for activating a warning comprising the step of generating a projecting on the ground by illumination disclosing the intended change of lateral position associated with said departure if such a vehicle-to-vehicle communication arrangement is not available. The computer program P may be stored in an executable manner or in a compressed condition in a separate memory 560 and/or in read/write memory 550.
When it is stated that data processing device 510 performs a certain function it should be understood that data processing device 510 performs a certain part of the program which is stored in separate memory 560, or a certain part of the program which is stored in read/write memory 550.
Data processing device 510 may communicate with a data communications port 599 by means of a data bus 515. Non-volatile memory 520 is adapted for communication with data processing device 510 via a data bus 512.
Separate memory 560 is adapted for communication with data processing device 510 via a data bus 511. Read/write memory 550 is adapted for communication with data processing device 510 via a data bus 514. To the 18 10 15 20 25 30 538 129 data communications port 599 e.g. the links connected to the control units 100; 200; 300 may be connected.
When data is received on data port 599 it is temporarily stored in second memory portion 540. When the received input data has been temporarily stored, data processing device 510 is set up to perform execution of code in a manner described above. The signals received on data port 599 can be used by apparatus 500 for determining whether any other vehicle is approaching constituting a hazard regarding said change of lateral position.
The signals received on data port 599 can be used by apparatus 500 for establishing contact with an approaching vehicle within a vehicle-to-vehicle communication arrangement provided that such an arrangement is available.
The signals received on data port 599 can be used by apparatus 500 for communicating information about the intention of the departure comprising an initial change of lateral position if such a vehicle-to-vehicle communication arrangement is available. The signals received on data port 599 can be used by apparatus 500 for activating a warning comprising the step of generating a projecting on the ground by illumination disclosing the intended change of lateral position associated with said departure if such a vehicle-to-vehicle communication arrangement is not available.
Parts of the methods described herein can be performed by apparatus 500 by means of data processing device 510 running the program stored in separate memory 560 or read/write memory 550. When apparatus 500 runs the program, parts of the methods described herein are executed.
The foregoing description of the preferred embodiments of the present invention has been provided for the purposes of illustration and description. lt is not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations will be apparent to practitioners skilled in the art. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to understand the 19 538 129 invention for various embodiments and with the various modifications as are suited to the particular use contempiated. 20

Claims (11)

538 129 - PATENTKRAV
1. Forfarande for att sakerstalla saker avfard for en buss (1) fran en busshallplats (H) med utgangspunkt fran att bussen (1) star stilla, varvid namnda avfard innefattar en initial andring av sidoposition, innefattande steget att faststalla (Si) om nagot annat fordon (2) narmar sig och utgOr en fara avseende namnda andring av sidoposition, kannetecknat av stegen att uppratta (52a) kontakt med ett fordon som narmar sig genom en kontaktanordning fordon-till fordon (V2V), forutsatt att en sadan anordning finns tillganglig; och, om en sadan anordning finns tillganglig, att kommunicera (S3) information om avsikten gallande avfarden som innefattar en initial andring av sidoposition; eller, om en sadan anordning inte finns tillganglig, att aktivera (S2b) en yarning, innefattande steget att generera en projektion (P) pa marken genom belysning, och darigenom klargora den avsedda andringen av sidoposition som hanger sam man med namnda avfard.
2. Forfarande enligt patentkrav 1, vidare innefattande steget att faststalla huruvida namnda fordon (2) som narmar sig har uppfattat namnda information gallande den avsedda avfarden, och beter sig andamalsenligt genom att lamna plats for bussen (1) som avgar, och, om sá inte är fallet, att aktivera en nodbromsanordning has det fordon (2) som narmar sig och/eller has bussen (1) for att forhindra en olycka.
3. Forfarande enligt patentkrav 1 eller 2, innefattande steget att faststalla om det for fordon (2) som narmar sig finns juridiska regler som foreskriver att lamna plats for bussen som avgar, och varvid, om namnda kommunikationsanordning fordon-till-fordon (V2V) finns tillganglig, steget att kommunicera (S3) information om den avsedda avfarden, innefattande en initial andring av sidoposition, innefattar information om plikten att lamna plats for bussen (1) som avgar, och varvid, om namnda kommunikationsanordning fordon-till-fordon (V2V) inte finns tillganglig, steget att aktivera en yarning — innefattande steget att generera en projektion (P) pa marken genom belysning 538 129 far att klargara den avsedda andringen av sidoposition som hor sam man med namnda avfard — innefattar en instruktion att lamna plats for bussen (1).
4. Forfarande enligt patentkrav 3, van i steget att aktivera en nodbromsanordning tillampas pa det fordon (2) som narmar sig am det foreligger juridiska regler som foreskriver att fordon som narmar sig ska lamna plats for bussen som (1) som avgar.
5. System (I) for att sakerstalla saker avfard for en buss (1) fran en busshallplats (H) med utgangspunkt fran att bussen (1) star stilla, varvid namnda avfard innefattar en initial andring av sidoposition, innefattande steget att faststalla, innefattande medel (110) for att faststalla am nagot annat fordon narmar sig och utgar en fara avseende namnda andring av sidoposition, kannetecknat av medel (120) for att uppratta kontakt med ett fordon (2) som narmar sig genom en kontaktanordning fordon-till fordon (V2V), farutsatt att en sadan anordning finns tillganglig; och, am en sadan anordning finns tillganglig, medel (130) for att kommunicera information am avsikten gallande avfarden som innefattar en inital andring av sidoposition; eller, am en sadan anordning inte finns tillganglig, medel (140) for att aktivera en yarning, innefattande medel (142) for att generera en projektion (P) pa marken genom belysning, och darigenom klargora den avsedda andringen av sidoposition som hanger samman med namnda avfard.
6. System enligt patentkrav 5, vidare innefattande medel (150) for att faststalla am namnda fordon (2) som narmar sig has har uppfattat namnda information gallande den avsedda avfarden, och beter sig andamalsenligt genom att lamna plats for bussen (1) som avgar, och medel (160) for att aktivera en nodbromsanordning has det fordon (2) som narmar sig och/eller has bussen (1) for att forhindra en olycka am namnda fordon (2) som narmar sig inte har uppfattat namnda information.
7. System enligt patentkrav 5 eller 6, innefattande medel (170) for att faststalla am det for fordon (2) som narmar sig finns juridiska regler som 538 129 foreskriver att lamna plats kir bussen (1) som avgar, och varvid, am namnda kommunikationsanordning fordon-till-fordon (V2V) finns tillganglig, namnda medel (130) kir att kommunicera information am den avsedda avfarden, innefattande en initial andring av sidoposition, innefattar information om plikten att lamna plats kir bussen (1) som avgar, och varvid, am namnda kommunikationsanordning fordon-till-fordon (V2V) inte finns tillganglig, namnda medel (140) for att aktivera en yarning — innefattande medel (142) for att generera en projektion (P) pa marken genom belysning for att klargora den avsedda andringen av sidoposition som hor samman med namnda avfard — innefattar en instruktion att lamna plats fOr bussen (1).
8. System enligt patentkrav 7, van i medlen (160) for att aktivera en nodbromsanordning tillampas pa det fordon som narmar sig am det foreligger juridiska regler som foreskriver att fordon som narmar sig ska lamna plats for bussen som avgar.
9. Bus (1) innefattande ett system (I) enligt nagot av patentkraven 5-8.
10. Datorprogram (P) for att sakerstalla saker avfard for en buss fran en busshallplats med utgangspunkt fran att bussen star stilla, varvid namnda datorprogram (P) innefattar programkod som, nar den kors pa en elektronisk styrenhet (100) eller pa en annan dator (500) som är kopplad till den elektroniska styrenheten (100), orsakar att den elektroniska styrenheten utfor stegen enligt patentkraven 1-4. 11. Datorprogramprodukt, innefattande ett digitalt lagringsmedium, i vilket datorprogrammet enligt patentkrav 10 lagras. 538 129 1/4 r V 142 WARNING: BUS 11.
11. _ .............: ... , ...................... J 1 I, %. i \
SE1451116A 2014-09-22 2014-09-22 Method and system for securing safe departure of a stop from a standstill of the bus SE1451116A1 (sv)

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SE1451116A SE1451116A1 (sv) 2014-09-22 2014-09-22 Method and system for securing safe departure of a stop from a standstill of the bus
DE102015011320.8A DE102015011320A1 (de) 2014-09-22 2015-08-28 Verfahren und System zum Sicherstellen einer sicheren Abfahrt eines Busses von einer Bushaltestelle aus dem Stillstand des Busses

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Cited By (1)

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FR3111220A1 (fr) * 2020-06-09 2021-12-10 Psa Automobiles Sa Procédé et système de transmission d’un message d’information relatif au redémarrage d’un véhicule de transport collectif quittant une zone d’arrêt

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DE102017202457A1 (de) 2017-02-15 2018-08-16 Audi Ag Bereitstellen einer Fahrerunterstützung für einen Fahrer beim Führen eines Kraftfahrzeugs auf einem Verkehrsweg
WO2021151479A1 (de) 2020-01-29 2021-08-05 Zf Cv Systems Global Gmbh Verfahren zum austauschen von daten zwischen einem anhänger und einem verkehrsteilnehmer, anhänger-kommunikationsmodul sowie anhänger
CN111311909B (zh) * 2020-02-19 2020-09-29 河海大学 一种车路协同环境下港湾公交停靠站车辆离站控制方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3111220A1 (fr) * 2020-06-09 2021-12-10 Psa Automobiles Sa Procédé et système de transmission d’un message d’information relatif au redémarrage d’un véhicule de transport collectif quittant une zone d’arrêt

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