• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a method for safe and fuel-efficient spacing adjustment in a moving vehicle train formed of at least two vehicles, comprising the steps of continuously maintaining (S1 ) communication between the train's vehicles, continuously determining (S2) parameters which characterise the train's journey, and using parameters thus determined (S3) as a basis for determining suitable mutual spacing for the train's vehicles, which step of determining (S3) said suitable mutual spacing of the train's vehicles comprises the step of using identified risk factors with a probability indication for each risk factor as a basis for evaluating (S3) the risk generated by said risk factors and adjusting said spacing accordingly. The present invention relates also to a system (I) for safe and fuel-efficient spacing adjustment in a moving vehicle train. The present invention relates also to a motor vehicle. The present invention relates also to a computer programme and a computer programme product.
    公开号:SE1250310A1
    申请号:SE1250310
    申请日:2012-03-29
    公开日:2013-09-30
    发明作者:Assad Al Alam；Henrik Pettersson；Rickard Lyberger；Anders Johansson
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    OBJECT OF THE INVENTION An object of the present invention is to provide a method for remote adaptation while traveling on a vehicle train which enables optimization of fuel consumption while maintaining safety.
    An object of the present invention is to provide a system for remote adaptation while traveling on a vehicle train which enables optimization of fuel consumption while maintaining safety.
    SUMMARY OF THE INVENTION These and other objects, which will become apparent from the following description, are accomplished by means of a system and method for safe and fuel efficient distance adjustment while traveling on a vehicle train, a motor vehicle, a computer program and a computer program product of the kind initially indicated and further the part of appended independent claims 1, 8, 15, 16 and 17. Preferred embodiments of the method and system are defined in appended dependent claims 2-7 and 9-14. According to the invention, the objects are achieved with a method for safe and travel of a vehicle train comprising at least two vehicles comprising the steps of: continuously maintaining communication between the vehicles of the vehicle train; continuously determine parameters characterizing the progress of the vehicle train; and based fuel efficient distance adjustment under on thus determined parameters determining suitable mutual distances of the vehicle train vehicles, comprising the step of determining said suitable mutual distances of the vehicle train vehicles including the step of on the basis of identified risk factors plus a probability statement for the respective risk factors generated the risk and adjust said distances accordingly.
    By considering the behavior of the various risk factors, it is possible to assess to a greater extent the consequence of being able to maintain a shorter distance and thus be able to optimize fuel consumption without compromising safety. Consequently, the current situation is assessed, but also different to thus assess the consequence of a shorter distance and thus as far as possible be able to maintain the short distance in the vehicle train for low fuel consumption without compromising safety. scenario for the situation some time ahead for According to an embodiment of the procedure, the step involves evaluating on the basis of identified risk factors and probability statement the risk generated by said risk factors taking into account external factors in connection with the vehicle train's travel. This improves the possibility of optimization and consequently to shorten the distance in the vehicle train without compromising safety.
    According to an embodiment of the method, said external factors include prevailing and / or expected traffic situation in connection with the vehicle's driving.
    In this way, the distance in the vehicle train can be kept shorter when the traffic situation so allows, whereby optimization of the distance and consequently the possibility of shortening the distance in the vehicle train without compromising safety is improved.
    According to an embodiment of the method, said external factors include topographical factors in connection with the vehicle's travel. In this way, the distance can be kept shorter when the topography so allows, for example when the road surface along the vehicle's route is relatively flat, whereby the possibility of shortening the distance without compromising safety is improved.
    According to an embodiment of the method, said external factors include road characteristics in connection with the vehicle's progress, where road characteristics are, for example, road status, lane number, curve occurrence, entry and exit occurrence. 10 15 20 25 By considering road characteristics such as road status, number of lanes on the roadway along the vehicle's route, curves and / or entrances and exits, it is possible to optimize the distance in the vehicle train so that the distance can be shortened when the occurrence of such road characteristics is small. .
    According to one embodiment, the method comprises the step of continuously determining the mutual distance of the vehicles by means of radar means. Hereby redundancy is obtained so that, if communication between vehicles in the vehicle train is temporarily interrupted, the distance can be maintained by means of information about distance via the radar means.
    According to an embodiment of the method, the step of adjusting said mutual distance of the vehicle of the vehicle train takes place automatically by controlling the speed of the respective vehicle. This results in efficient driving and efficient distance adjustment of the vehicles in the vehicle train.
    According to the invention, the objects are also achieved with a system for safe and travel of a vehicle train comprising at least two vehicles comprising means for: continuously maintaining communication between the vehicles of the vehicle train; means for continuously determining parameters characterizing the travel of the vehicle train; fuel-efficient distance adjustment during and means for determining, on the basis of parameters thus determined, suitable mutual distances of the vehicle train vehicles, said means for determining said suitable mutual distances of the vehicle train vehicles including means for determining on the basis of identified risk factors and a probability statement for of said risk factors generated the risk and means for adjusting said distance accordingly.
    By the occurrence of the various risk factors, it is possible to assess to a greater extent the consequence of being able to keep a shorter distance and thus be able to optimize fuel consumption without compromising safety. Consequently, the current situation is assessed, but also different to thus assess the consequence of a shorter distance and thus as far as possible be able to maintain the short distance in the vehicle train for low fuel consumption without compromising safety. scenario for the situation in the future for According to an embodiment of the system, said means for evaluating on the basis of identified risk factors and probability statement the risk generated by said risk factors means for taking into account external factors in connection with the vehicle train's progress. This improves the possibility of optimization and consequently to shorten the distance in the vehicle train without compromising safety.
    According to the said means for taking into account external factors means for determining the prevailing and / or expected traffic situation in connection with the vehicle's progress.
    In this way, the distance in the vehicle train can be kept shorter when the traffic situation so allows, whereby optimization of the distance and consequently the possibility of shortening the distance in the vehicle train without compromising safety is improved. an embodiment of the system comprises According to an embodiment of the system, said means for taking into account external factors include means for determining topographical factors in connection with the vehicle's progress. In this way, the distance can be kept shorter when the topography so allows, for example when the road surface along the vehicle's route is relatively flat, whereby the possibility of shortening the distance without compromising safety is improved.
    According to an embodiment of the system, said means for taking into account means for road characteristics in connection with the vehicle's progress, where road characteristics include road status, number of lanes, curve occurrence, entrance and exit occurrence. By determining road characteristics such as road status, number of lanes on the roadway along the vehicle's route, curve occurrences and / or on- and off-road occurrences, it is possible to optimize the distance in the vehicle train so that the distance can be shortened when there are no such roads. jeopardize security.
    According to one embodiment, the system includes radar means for continuously determining the mutual distance of the vehicles. Hereby redundancy is obtained so that, if communication between vehicles in the vehicle train is temporarily interrupted, the distance can be maintained by means of information about distance via the radar means.
    According to an embodiment of the system, said means for adjusting said mutual distance of the vehicle train vehicle means means for automatically controlling the speed of the respective vehicle. In this way, efficient driving and efficient distance adjustment of the vehicles in the vehicle train is obtained.
    DESCRIPTION OF THE DRAWINGS The present invention will be better understood with reference to the following detailed description read in conjunction with the accompanying drawings, in which like reference numerals refer to like parts throughout the many views, and in which: Fig. 1 schematically illustrates a motor vehicle according to an embodiment of the present invention; invention; Fig. 2 schematically illustrates a system of a method for safe and fuel efficient distance adjustment while traveling on a vehicle train according to an embodiment of the present invention; Fig. 3 schematically illustrates a vehicle train according to an embodiment of the present invention; Fig. 4 schematically illustrates a block diagram of a method according to the present invention; and Fig. 5 schematically illustrates a computer according to an embodiment of the present invention.
    DESCRIPTION OF EMBODIMENT FOFWIER Here, the term "link" refers to a communication link which may be a physical line, such as an optoelectronic communication line, or a non-physical line, such as a wireless connection, for example a radio or microwave link.
    Fig. 1 schematically illustrates a motor vehicle 1 intended to be included in a vehicle train according to an embodiment of the present invention. The exemplary vehicle 1 consists of a heavy vehicle in the form of a truck with a cab 2.
    The vehicle can alternatively be any suitable vehicle such as a bus or a car. The vehicle comprises a system I according to the present invention.
    Fig. 2 schematically illustrates a block diagram of a system 1 for distance adjustment while traveling on a vehicle train according to an embodiment of the present invention.
    The system 1 comprises an electronic control unit 100 for said distance adjustment.
    The system includes communication means 110 for maintaining communication between the vehicles of the vehicle train. means of communication include, according to a variant, so-called wireless LAN or WLAN for communicating information between vehicles in the vehicle train relevant for assessing the distance between vehicles in the vehicle train. continuously The said system comprises 120 for taking into account external factors in connection with the travel of the vehicle train. Environment factor consideration means 10 15 20 25 25 Environment factor consideration means for connection to the vehicle train travel 122. System I comprises route determining means 122. Said route determining means 122 is arranged to provide predetermined characteristics of the vehicle path of the roadway along the vehicle path along. taking into account environmental factors i includes route determinants accordingly Said route determiner 122 comprises according to a variant a map information unit 122a comprising map data including said characteristics of the roadway along the route of the vehicle train, such as topography, possible curvature and the consequence of being able to keep a shorter distance between the vehicles in the vehicle train and thus be able to optimize fuel consumption without compromising safety.
    Said route determining means further 122b in position determining systems, i.e. GPS to identify the position of the vehicle during the current braking process. 122 includes vehicle position determining means form of a geographical By the route determining means 122, i.e. the map information unit 122a and the vehicle position determining means 122b are consequently made possible to continuously identify the respective vehicles at the position of the vehicle train and characteristics of the roadway in order thus enabling to assess to a greater extent the consequence of being able to keep a shorter distance between the vehicles in the vehicle train. Such characteristics of the road surface can affect the safety of the distance between the vehicles of the vehicle train and can consequently constitute a risk factor.
    Said external factor consideration means 120 for taking into account connection to the vehicle train includes traffic situation determining means 124 for determining the prevailing and / or expected traffic situation in connection with the vehicle train's vehicle travel as external factors in travel 10 15 20 25 30 may affect the safety of the vehicle. . Accordingly, the system 1 comprises traffic situation determining means 124. Said traffic situation determining means 124 comprises communication means 124a including radio unit and / or so-called wireless LAN or WLAN for determining the prevailing and / or expected traffic situation. Said traffic situation determining means 124 further comprises sensor means 124b arranged on vehicles of the vehicle train for sensing other vehicles in the vicinity of vehicles in the vehicle train and other objects such as other road users, for example cyclists or pedestrians or obstacles for for example the main vehicle of the vehicle train. Said sensor means may consist of camera means, radar means and / or laser measuring means.
    Said external factor taking means 120 for taking into account external factors in connection with the travel of the vehicle train further comprises road law characteristic determining means 126 for determining road law characteristics. Accordingly, system I includes road law characteristics 126. Road law characteristics include road surfaces such as slippery roads, gravel roads and the like which may affect the safety of the distance between the vehicle train vehicle and the risk factor. road law characteristic determining means 126 may include any consequently may constitute said suitable means for determining road conditions such as friction sensor means, temperature means for determining ambient and / or road temperature, and the like.
    The system 130 for continuously determining the distance between a vehicle in the vehicle train and a vehicle in front and / or behind in the vehicle train. The said further comprising distance determining means distance determining means 130 includes according to a variant radar means and / or laser measuring means. In this case, the distance determining means 130 in the form of, for example, radar means constitutes redundancy so that, if communication between vehicles in the vehicle train is temporarily interrupted, the distance can be maintained by means of distance information via the radar means.
    System I further includes driving condition determining means 140 for determining conditions under which vehicles in the vehicle train are driven.
    Said conditions include time of day to assess whether it is dark during the vehicle train, weather such as possible precipitation and type of precipitation as well as outdoor temperature, vehicle load, vehicle speed, type of road such as motorway, country road, number of lanes on the road, if current road distance is an accident-affected stretch of road, etc.
    Said driving condition determining means 140 includes, according to a variant, time determining means 142 for determining the time at which the vehicle train is driven.
    Further, said driving condition determining means 140 according to a variant weather determining means 144 for determining weather along the route of the vehicle train at the time at which the vehicle train 144 may include rain sensor means, weather information receiving means for receiving driving. Said weather determining means include weather information via radio or equivalent.
    Further, said driving condition determining means 140 according to a variant includes speed determining means 146 for continuously determining the vehicle speed of the vehicle train vehicle. Said speed determining means 146 includes, according to a variant, speedometer means.
    Further, said driving condition determining means 140 according to a variant includes road type determining means 148 for determining the type of road on which the vehicle of the vehicle train travels, which according to a variant is provided via map data 122a of the route determining means 122. said from the map information unit 10. to identify vehicles belonging to the vehicle train and any vehicles that do not belong to the vehicle train, for example vehicles that cut into the vehicle train. according to a variant Said vehicle identification means 150 includes camera means.
    According to a variant, the system further comprises warning means 160 for warning the driver of prevailing or possible emerging dangers / risk factors at prevailing distances between the vehicles of the vehicle trains. This results in redundancy to automatic adjustment of the distance based on risk and probability assessment taking into account the above-mentioned parameters. Said warning means 160 may include visual warning means in the form of flashing or steady light, warning text, warning image, audible warning means such as audible alarm means, tactile warning means or the like.
    The system includes a distance control unit 170 for controlling the distance between the vehicles of the vehicle train.
    System I further includes brake control means 172 for controlling braking of vehicles in the vehicle train for controlling the distance between the vehicles of the vehicle train. Said brake control means includes service brake, auxiliary brake and engine brake.
    The system 1 further includes speed control means 174 for controlling the speed of vehicles in the vehicle train for controlling the distance between the vehicles of the vehicle train. Said speed control means 174 may include engine means of the vehicle, brake means of the vehicle, shifting means of the vehicle, gas control means such as accelerator pedal means of vehicles.
    The system 1 further comprises control control means 176 for controlling control of brake means and / or motor means for controlling the speed of the vehicle train for control control means 176 may include control unit for controlling vehicles in remote adjustment. Said torque of motor means, gear position of gear means, braking of brake means.
    The electronic control unit 100 is said communication means 110 via a link 10a. The electronic control unit 100 is 10a arranged to the communication means 110 representing communication data from vehicles in the vehicle train for determining suitable distances in the vehicle train. the signal connected to via the link receive a signal from the electronic control unit 100 is said external factor consideration means 120 via a link 20. The electronic signal connected to the control unit 100 is arranged via the link 20 to receive a signal from the external factor consideration means 120 representing external data conditions. .
    The electronic control unit 100 is said route determining means 122 via a link 22. The electronic control unit 100 is arranged via the link 22 that the route determining means 122 representing route data including signal connected to receive a signal from position data from the vehicle position determining means 122b and the map data from appropriate map information. the vehicle train.
    The electronic control unit 100 is signal connected to said traffic situation determining means 124 via a link 24. The electronic control unit 100 is arranged via the link to receive a signal from the traffic situation determining means 124 representing traffic situation data for the prevailing traffic situation, for determining suitable distances in the vehicle train. 100 is the road law characteristic determining means 126 via a link 26. The electronic The electronic control unit signal connected to said control unit 100 is arranged via the link 26 to receive a signal from the road law characteristic determining means 126 representing wave layer data for prevailing road conditions, for determining suitable distances in the vehicle. The electronic control unit 100 is signal connected to the 130 via a link 30. The electronic control unit 100 is arranged via the link to receive a signal from the distance determining means the distance determining means 130 representing distance data for distance to the front and / or rear vehicles in the vehicle stage.
    The electronic control unit 100 is signal connected to said driving condition determining means 140 via a link 40. The electronic control unit 100 is arranged via the link 40 to receive a signal from 140 condition data for determining conditions under which the vehicle is driven.
    The driving condition determining means The electronic control unit 100 is said timing means 142 via a link 42. The electronic control unit 100 connected to the signal is arranged via the link to receive a signal from the time determining means 142 representing time data for which time of day the vehicle is still driving. raids and assess probable traffic density.
    The electronic control unit 100 is signal connected to said weather determining means 144 via a link 44. The electronic control unit 100 is arranged via the link 44 to receive a signal from the weather determining means 144 representing weather data to determine rescuing weather conditions.
    The electronic control unit 100 is signal connected to said speed determining means 146 via a link 46. The electronic control unit 100 is arranged via the link 46 to receive a signal from the speed determining means 146 representing speed data to determine at what speed vehicles in the vehicle stage are driven.
    The electronic control unit 100 is said road type determining means 148 via a link 48. The electronic control unit 100 is arranged via the link 48 to receive a signal connected to receive a signal from the road type determining means 148 representing road type data for the type of road on which the vehicle train travels.
    The electronic control unit 100 is said identification means 150 via a link 50. The electronic control unit 100 is arranged via the link 50 to receive a signal from the identification means 150 representing identification data for identifying vehicles belonging to the vehicle stage and any vehicles not belonging to the vehicle stage. signal connected to process said environment factor consideration means 120 arranged to communicate the means The electronic control unit is communication data environment factor data route data including map data including said characteristics of the roadway from said as well as including from route 122way access means; , and / or traffic situation data for prevailing traffic situation traffic situation determining means 124 and / or road data for said road conditions characteristic determining means 126, for determining suitable from prevailing road conditions from mutual distance of the vehicle train vehicle, said processing includes identification of risk factors and said data. identified risk factors together with a probability statement for each risk factor evaluate the risk generated by the said risk factors.
    The electronic control unit 100 is according to a variant in addition to the above-mentioned processing arranged to process said condition data from said driving condition determining means 140 to determine the conditions under which the vehicles of the vehicle train are driven, together with said communication data and external factor data to determine suitable distances of the vehicle train. said treatment further comprises identifying risk factors on the basis of said conditional data, and on the basis of identified risk factors together with a probability statement for each risk factor evaluating the risk generated by said risk factors.
    Said condition data according to a variant include said, time data, weather data, speed data, and / or road type data.
    According to a variant in addition to the above-mentioned processing, the electronic control unit 100 is arranged to process said identification data for identifying vehicles in order to assess whether the identified vehicle belongs to the vehicle stage, or if the vehicle consists, for example, of a vehicle cut into the vehicle stage. risk which, in the light of other risk factors and an indication of the probability of these risk factors, may create a risk which means that the distance needs to be increased.
    According to a variant, in addition to the above-mentioned processing, the electronic control unit 100 is arranged to process said distance data in order to determine distances to front and / or rear vehicles in the vehicle train. In the event that the communication from the means of communication is temporarily interrupted constitutes redundancy. the information from the distance determining means 100 is communication means 110 via a link 10b. The electronic control unit 10b arranged to 110 including said processed data for determining suitable distances in the vehicle train.
    The electronic control unit signal connected to said 100 is transmitted via the link a signal to the communication means representing communication data. The electronic control unit 100 is signal connected to said warning means 160 via a link 60. The electronic control unit 100 is arranged via the link 60 to send a signal to the warning means 160 representing warning data to warn of prevailing or possible emerging hazards / risk factors at prevailing distances between the vehicles of the vehicle trains. 10 15 20 25 16 100 is the distance control unit 170 via a link 70. The electronic control unit 100 is arranged that the distance control unit 170 representing distance data for the desired The electronic control unit signal connected to said via the link send a signal to the distance based on assessed risk in current situation and risk in the near future.
    The distance control unit 170 is signal connected to said brake control means 172 via a link 72. The distance control unit 170 is arranged via the link 72 to send a signal to the brake control means 172 representing braking data for braking for distance adaptation to the vehicle train vehicle.
    The distance control unit 170 is said speed control means 174 via a link 74. The distance control unit link 74 arranged to signal to the speed control means 174 representing speed data for speed increase for distance adaptation to the vehicle of the vehicle train. signal connected to 170 is via transmitting a Distance control unit 170 is signal connected to said control control means 176 via a link 76. The distance control unit 170 is arranged via the link 76 to send a signal to the control control means 176 representing control data for controlling brake means and / or motor means of vehicles in the vehicle train. adjust the speed of the vehicle and thus the distance in the vehicle path.
    The distance control unit 170 is arranged to the distance based on distance data from the electronic control unit 100.
    The distance control unit 170 is arranged to, based on said distance data, the brake control means, the means. automatically controlling the signal transmitted from the electronic control unit to the speed control means and / or the control means. Said communication means 110 is signal connected to others via a link 10b to other corresponding systems of vehicles in the vehicle train, the communication means 110 being arranged to send via the link signal representing communication data.
    According to a variant, said remote control unit is integrated in the electronic control unit 100.
    The electronic control unit 100 is arranged to process said data as above by means of neural network and / or by game theory. Accordingly, the electronic control unit 100 comprises a neural network for determining the appropriate mutual distances of the vehicles of the vehicle train, including evaluating the risk generated by said risk factors on the basis of identified risk factors and a probability statement for each risk factor.
    According to one example, the vehicle of the vehicle train travels on a motorway, where 148 of determination means 140 determines that the type of road on which the vehicle type determining means said driving condition vehicle travels is a highway, where according to a variant the road type information is provided via said map data from the map information unit 122a 122. traffic situation data from the traffic situation determination means that it is substantially close. at the route determining means is not received there are no other vehicles in Furthermore, it is registered that the means of communication does not function satisfactorily so that no or only sporadic communication data is received in the electronic control unit, whereby consequently the communication between the vehicles in the vehicle train is deficient. The processing of the electronic control unit by means of, for example, a neural network identifies that there is a risk, but that the probability that other communication including other data received in the electronic control unit does not work is low, the probability of rapid speed changes is low and the risk of another vehicle in the vehicle train is low, whereby the conclusion is that the shorter distance despite poor communication between the vehicles is maintained, whereby the distance control means based on these identified risk factors together with this probability indication, automatically ensures that the distance is maintained by the brake control means and / or speed control means .
    According to another example, the vehicle train's vehicle travels on a country road, where 148 of determination means 140 determines that the type of road on which the vehicle train's type determining means said driving condition vehicle travels is a country road, where according to a variant the road type information is provided via said map data unit 122, and where curves and / or topographical differences, traffic situation data from the traffic situation determination means that there are other vehicles in the vicinity, with a risk of overtaking, where there is a risk of vehicles driving in between vehicles in the vehicle stage. Furthermore, it is registered that the means of communication does not work satisfactorily so that ie. slopes occur. Furthermore, no or only sporadic communication data is received in the electronic control unit, whereby consequently the communication between the vehicles in the vehicle train is deficient.
    The processing of the electronic control unit by means of, for example, a neural network identifies that there is a risk, that the probability of other communication including other data received in the electronic was low, that the probability of speed changes is, concluding that the shorter distance due to inadequate communication between vehicles and the other identified control unit does not work are fast risk factors, should be increased, whereby the distance control means based on these identified risk factors together with this probability statement, automatically 172 and / or speed control means 174 and or control control means 176. ensure that the distance is increased by means of brake control means Fig. 3 according to an embodiment of the present invention. The vehicle train includes a first vehicle 1a, a second vehicle 1b, a third vehicle 1c and a fourth vehicle 1d. The vehicles of the vehicle path travel on a roadway R and pour a distance d between each other. 10 15 20 25 19 The vehicle train may include any number of vehicles. The vehicle train includes and uses system I according to Fig. 2 for safe and fuel-efficient distance adjustment travel, by means of communication medium 110 via links 10 continuously takes place between the vehicles, where among other things the front vehicle communicates information to other vehicles and where each vehicle includes an electronic control unit 100 and 120 , driving condition determining means 140, distance determining means 130, 150, 160 and distance control means 170. during communication one or more of said external factor consideration means vehicle identification means warning means Fig. 4 schematically illustrates a block diagram of a method for safe and fuel efficient driving according to distance embodiment of the present invention. during In a first step S1 the vehicle of the vehicle stage; If continuous communication is maintained between a second stage S2, continuous parameters are characterized which characterize the progress of the vehicle stage.
    In a third step S3, based on said parameters, suitable mutual distances of the vehicle stage's vehicles are determined, including evaluating the risk generated by said risk factors on the basis of identified risk factors and a probability statement for each risk factor and adjusting said distances accordingly. a diagram of an embodiment of a device 500 is shown. The control unit 100 described with reference to Fig. 2 may in one embodiment comprise the device 500. The device 500 comprises a non-volatile memory 520, a data processing unit 510 and a read / write memory 550 .
    The non-volatile memory 520 has a first memory portion 530 in which a computer program, such as an operating system, is stored to control the operation of the device 500. Further, the device 500 includes a bus controller, a serial communication port, 1 / O-means, an A / D converter, a time and date input and transfer unit, an event counter and an interrupt controller (not shown). The non-volatile memory 520 also has a second memory portion 540.
    A computer program P is provided which includes routines for enabling safe and fuel efficient distance adjustment while traveling on a vehicle train comprising at least two vehicles according to the innovative method. The program P includes routines for continuously maintaining communication between the vehicles of the vehicle train. The program P includes routines for continuously determining parameters characterizing the vehicle train's progress. The program P comprises routines for determining, based on said parameters, suitable mutual distances of the vehicle train vehicles, including evaluating the risk generated by said risk factors on the basis of identified risk factors and a probability statement for each risk factor and adjusting said distances accordingly.
    The program P can be stored in an executable manner or in a compressed manner in a memory 560 and / or in a read / write memory 550.
    When it is described that the data processing unit 510 performs a certain function, it is to be understood that the data processing unit 510 performs a certain part of the program which is stored in the memory 560, or a certain part of the program which is stored in the read / write memory 550.
    The data processing device 510 can communicate with a data port 599 via a data bus 515. The non-volatile memory 520 is intended for communication with the data processing unit 510 via a data bus 512. The separate memory 560 is intended to communicate with the data processing unit 510 via a data bus 511. the data processing unit 510 via a data bus 514. To the data port 599, e.g. the links connected to the control unit 100 are connected.
    The read / write memory 550 is arranged to communicate with 10 15 20 25 21 When data is received on the data port 599, it is temporarily stored in the second memory part 540. When the received input data is temporarily, the data processing unit 510 is prepared to perform code execution in a manner described above. The received signals on the data port 599 can be stored, are used by the device 500 to continuously maintain communication between the vehicles of the vehicle train. The received signals on the data port 599 can be used by the device 500 to continuously determine parameters characterizing the travel of the vehicle train. The received signals on the data port 599 can be used by the device 500 to determine, based on said parameters, suitable mutual distances of the vehicle train vehicles, including on the basis of identified risk factors and a probability statement for each risk factor evaluating the risk generated by said risk factors and adjusting the risk. hence.
    Parts of the methods described herein may be performed by the device 500 by means of the data processing unit 510 running the program stored in the memory 560 or the read / write memory 550. When the device 500 runs the program, the methods described herein are executed.
    The above description of the preferred embodiments of the present invention has been provided for illustrative and descriptive purposes. It is not intended to be exhaustive or to limit the invention to the variations described. Obviously, many modifications and variations will occur to those skilled in the art. The embodiments have been selected and described to best explain the principles of the invention and its practical applications, thereby enabling one skilled in the art to understand the invention for various embodiments and with the various modifications appropriate to the intended use.
    权利要求:
    Claims (17)
    [1]
    A method for safe and fuel efficient distance adjustment while traveling on a vehicle train comprising at least two vehicles comprising the steps of: continuously maintaining (Sf) communication between the vehicles of the vehicle train; continuous (S2) vehicle train travel; and based on parameters thus determined determine (S3) suitable mutual distances of the vehicle train vehicles, characterized by the step of determining (S3) said suitable mutually determining parameters characterizing distances of the vehicle train vehicles including the step of basing on identified risk factors and a probability factor (S3) the risk generated by said risk factors and adjust said distance accordingly.
    [2]
    A method according to claim 1, wherein the step of evaluating the risk generated by said risk factors on the basis of identified risk factors and probability statement comprises taking into account external factors in connection with the travel of the vehicle train.
    [3]
    A method according to claim 2, wherein said external factors include prevailing and / or expected traffic situation in connection with the vehicle's travel.
    [4]
    The method of claim 2, wherein said external factors include topographical factors associated with the vehicle travel.
    [5]
    A method according to claim 2, wherein said external factors include road characteristics in connection with the vehicle's progress, wherein road characteristics include road status, lane number, curve occurrence, entrance and exit occurrence.
    [6]
    A method according to any one of claims 1-5, comprising the step of continuously determining the mutual distance of the vehicles by means of radar means.
    [7]
    A method according to any one of claims 1-6, that the step of adjusting said mutual distance of the vehicle of the vehicle train takes place automatically by controlling the speed of the respective vehicle. 10 15 20 25 23
    [8]
    A system (I) for safe and fuel efficient distance adjustment while traveling on a vehicle train comprising at least two vehicles comprising means (110) for: continuously maintaining communication between the vehicles of the vehicle train; means for continuously determining parameters characterizing the travel of the vehicle train; and means (100, 170) for including, based on parameters thus determined, the vehicle of the vehicle train, characterized in that said means (100, 110, 120, 130, 140, 150, 170) for determining said suitable mutual distance of the vehicle of the vehicle train include means ( 100, 110, 120, 130, 140, 150, 170) in order to determine on the basis of identified risk factors together with a probability statement the appropriate mutual distances of for each risk factor evaluate the risk generated by said risk factors and means for adjusting said distances accordingly.
    [9]
    The system (I) of claim 8, wherein said means (100, 110, 120, 130, 140, 150, 170) for probabilistic evaluation evaluates the risk generated by said risk factors on the basis of identified risk factors and includes means (120) for taking into account external factors in connection with the travel of the vehicle train.
    [10]
    A system (I) according to claim 9, wherein said means (120) for consideration of external factors includes means (124) for determining the prevailing and / or expected traffic situation in connection with the vehicle's travel.
    [11]
    A system (I) according to claim 9, wherein said means (120) for consideration of external factors includes means (122) for determining topographical factors in connection with the travel of the vehicle.
    [12]
    The system (I) of claim 9, wherein said means (120) for consideration includes means (126) for road characteristics associated with the vehicle's travel, road characteristics including road status, lane number, curve occurrence, entry and exit occurrence. to external factors determine
    [13]
    System (I) according to any one of claims 8 to 12, including radar means (130) for continuously determining the mutual distance of the vehicles. 10 24
    [14]
    A system (1) according to any one of claims 8-13, wherein said means for adjusting said mutual distance of the vehicle of the vehicle train comprises means (170) for automatically controlling the speed of the respective vehicle.
    [15]
    Vehicle arranged to be part of a vehicle train comprising a system (1) according to claims 8-14.
    [16]
    Computer program (P) for safe and fuel efficient remote adjustment while traveling on a vehicle train, said computer program (P) comprising program code which, when run by an electronic control unit (100) or another computer (500) connected to the electronic control unit ( 100), the electronic control unit (100) is capable of performing the steps according to claims 1-7.
    [17]
    A computer program product comprising a digital storage medium which stores the computer program (P) according to claim 16.
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    法律状态:
    优先权:
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