WO2022078770A1 - Procédé de production d'un modèle de comportement pour une flotte de véhicules automobiles au moyen d'un dispositif informatique électronique extérieur au véhicule automobile, et dispositif informatique électronique extérieur au véhicule automobile - Google Patents
Procédé de production d'un modèle de comportement pour une flotte de véhicules automobiles au moyen d'un dispositif informatique électronique extérieur au véhicule automobile, et dispositif informatique électronique extérieur au véhicule automobile Download PDFInfo
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- WO2022078770A1 WO2022078770A1 PCT/EP2021/076975 EP2021076975W WO2022078770A1 WO 2022078770 A1 WO2022078770 A1 WO 2022078770A1 EP 2021076975 W EP2021076975 W EP 2021076975W WO 2022078770 A1 WO2022078770 A1 WO 2022078770A1
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- WO
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- Prior art keywords
- motor vehicle
- computing device
- electronic computing
- transmitted
- motor
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000013528 artificial neural network Methods 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000004393 prognosis Methods 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000006399 behavior Effects 0.000 description 32
- 230000001537 neural effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004590 computer program Methods 0.000 description 5
- 238000010801 machine learning Methods 0.000 description 5
- 238000012549 training Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003542 behavioural effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 description 1
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/08—Learning methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/0088—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0287—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
- G05D1/0291—Fleet control
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N20/00—Machine learning
- G06N20/20—Ensemble learning
Definitions
- Method for generating a behavior model for a motor vehicle fleet by means of an electronic computing device external to the vehicle, and an electronic computing device external to the vehicle
- the invention relates to a method for generating a behavior model for a motor vehicle fleet using an electronic computing device external to the vehicle.
- the invention also relates to an electronic computing device external to the vehicle.
- EP 3 117 274 A1 discloses that operating data from a number of source systems are used to control a target system, for example a gas or wind power plant or another technical system.
- the operating data of the source systems are received and differentiated by source system-specific identifiers.
- a neural model based on the received operating data of the source systems is taken into account of the source system-specific identifiers, wherein a first neural model component is trained on properties shared by the source systems and a second neural model component is trained on properties that vary between the source systems.
- the trained neural model is further trained based on the operational data of the target system, with further training of the second neural model component being given preference over further training of the first neural model component.
- the target system is controlled with the help of the further trained neural network.
- the object of the present invention is to create a method and an electronic computing device external to the motor vehicle, by means of which a behavior model for a motor vehicle fleet can be generated efficiently.
- One aspect of the invention relates to a method for generating a behavior model for a motor vehicle fleet using an electronic computing device external to the vehicle, in which at least one parameter characterizing a neural network for a control device of a motor vehicle in the motor vehicle fleet is trained using the electronic computing device external to the vehicle and transmitted to the control device and internally in the vehicle is saved.
- At least one item of information for the behavior model is recorded by means of a recording device of the motor vehicle and a stored motor vehicle-internal neural network is further trained in the motor vehicle by means of the characterizing parameter and the at least one piece of information and at least one weighting parameter of the motor-vehicle further trained neural network is trained by the control device is transmitted to the vehicle-external electronic computing device and the behavior model is generated on the basis of the characterizing parameter transmitted to the control device and on the basis of the transmitted weighting parameter by means of the vehicle-external electronic computing device for the vehicle fleet.
- the behavior model can thus be generated efficiently and while saving bandwidth.
- the behavior model is in particular a so-called “world model”.
- the costs for the bandwidth and for data handling within the electronic computing device external to the motor vehicle can be reduced during data transmission and subsequent processing.
- the neural network is an example of a machine learning method. Alternative methods can also be used, which can be described by a defined architecture and parameters and learning with pre-trained parameters is possible.
- the corresponding data or information which can relate to raw data, for example, is processed directly by decentralized training within the control device in the motor vehicle in the sense of edge computing.
- the transmission bandwidth to the vehicle-external electronic computing device is reduced because, for example, only one weighting parameter of the neural network is transmitted.
- the knowledge is, so to speak, memorized and compressed in the neural networks.
- the behavior model can then be created from the trained neural networks, which are internal to the motor vehicle, without any great effort.
- the control device which is located inside the motor vehicle, can in particular also be an electronic computing device.
- the method is therefore a computer-implemented method which, in particular, uses a corresponding computer program product with commands to carry out the method on the electronic computing device external to the motor vehicle.
- the motor vehicle-external electronic computing device has in particular a computer-readable storage medium, which in turn can then have the computer program product.
- a weighting matrix for the neural network is transmitted to the control device or the neural network as the parameter characterizing the neural network.
- pre-trained neural networks from the vehicle-external electronic computing device are transmitted to the motor vehicle.
- a neural network can already be made available inside the motor vehicle, to which only the corresponding weighting matrix is then transmitted.
- the network architecture for the neural network can then be derived on the basis of the weighting matrix.
- the behavior model can be generated efficiently.
- the behavior model is generated by the vehicle-external electronic computing device on the basis of a large number of transmitted weighting parameters from a large number of motor vehicles in the motor vehicle fleet.
- the motor vehicle fleet thus has a large number of motor vehicles.
- the large number of motor vehicles can then in turn collect their own information with their own detection devices and then in turn train their motor vehicle-internal neuronal network.
- the corresponding weighting parameters can then in turn be transmitted to the electronic computing device external to the motor vehicle, in which case the behavior model can then in turn be generated on the basis of the large number of transmitted weighting parameters.
- a type of swarm knowledge can thus be collected, and on the basis of this swarm knowledge the behavior model for the motor vehicle fleet can in turn be generated.
- the weighting parameter is transmitted to the electronic computing device external to the motor vehicle.
- the weighting parameter is first sent from the motor vehicle to the electronic computing device external to the vehicle .
- the weighting parameter can thus only be transmitted if there is a deviation from the pre-trained neural network, as a result of which the volume of data transmission can be further reduced.
- the behavior model for the motor vehicle fleet is generated using an ensemble method.
- the ensemble methodology is in particular a form of machine learning. It takes a finite set of different learning algorithms to get better results than a single learning algorithm. In particular, a result that is already satisfactory can be achieved with a lower depth of calculation.
- the soft weight sharing method is also known as soft weight sharing.
- This is another machine learning method. This is a deep learning algorithm that can be used to efficiently generate the behavioral model.
- the control device carries out a prognosis for a fault cause and/or a prognosis for the use of a navigation device of the motor vehicle and/or a prognosis for a use of an assistance system of the motor vehicle.
- Forecasts can be carried out inside the motor vehicle using the neural network. Provision can then be made for a behavioral model for the cause of the error and/or for the use of the navigation device and/or for the use of the assistance system of the motor vehicle to be carried out using the electronic computing device external to the motor vehicle. In this way, different behavior models can be generated, which can then in turn be used for the motor vehicle fleet.
- the applications mentioned here are only examples; in particular, any prognosis in the form of a classification or regression can be represented by this method.
- a number of measuring points of the detection device and a resulting amount of data to be transmitted are determined and the resulting amount of data is compared with a data amount which describes the weighting parameter and as a function of the comparison by means of the control device a decision is made as to whether the data volume of the measuring points or the data volume of the weighting parameter is transmitted to the electronic computing device external to the motor vehicle.
- the amount of data from the measuring points is in particular so-called raw data. If the data volume of the raw data is less than the data volume of the weighting parameter, it can be decided that the data volume of the measuring points is to be transmitted.
- the weighting parameter is transmitted. Efficient generation of the behavior model can thus be realized.
- 20 variables can be stored per recording, which corresponds in particular to 20 float values. If, for example, the neural network can then be described by no more than 1893 float values, with a total of more than 94.7 measurement points being available through quotient formation, it is more efficient from a bandwidth perspective to transmit the weights of the neural network instead of the measurement points themselves.
- the neural network is pre-trained, and the neural network pre-trained with the reduced data set or a weighting matrix is transmitted to the control device.
- the neural network is generated with reduced data and is only fully trained inside the motor vehicle.
- This neural network pre-trained with the reduced data set or the weighting matrix is then transmitted to the control device, with the pre-trained neural network then being further trained inside the motor vehicle.
- the behavior model can thus be generated by using a reduced bandwidth.
- a further aspect of the invention relates to a computer program product with instructions which, when instructions are executed on an electronic computing device, cause the steps according to the preceding aspect to be carried out. Furthermore, the invention also relates to a computer-readable storage medium with the aforementioned computer program product.
- Yet another aspect of the invention relates to an electronic computing device external to the motor vehicle for generating a behavior model for a motor vehicle fleet, the electronic computing device external to the motor vehicle being designed to carry out a method according to the preceding aspect.
- the method is carried out using the electronic computing device external to the motor vehicle.
- Advantageous embodiments of the method are as advantageous embodiments of the computer program product, the computer-readable View storage medium and the vehicle-external electronic computing device.
- the motor vehicle-external electronic computing device has physical features that are required to carry out the method or an advantageous embodiment thereof.
- the single figure shows a schematic side view of an embodiment of an electronic computing device external to the motor vehicle for a motor vehicle fleet.
- the figure shows a schematic side view of an embodiment of a motor vehicle-external electronic computing device 10.
- the motor vehicle-external electronic computing device 10 is designed to generate a behavior model 12 for a motor vehicle fleet 14 shown purely schematically.
- a motor vehicle 16 is also shown in particular, the motor vehicle 16 being to be regarded as part of the motor vehicle fleet 14 .
- Motor vehicle 16 has a control device 18 , a detection device 20 and a functional unit 22 .
- Functional unit 22 can be a head unit of motor vehicle 16 or an assistance system of motor vehicle 16, for example. This list is purely exemplary and only serves to understand the invention. Further functional units 22 in motor vehicle 16 can thus also be used.
- a neural network 24 characterizing parameters 28 for the control device 18 of the motor vehicle 16 of the motor vehicle fleet 14 trained by means of the vehicle-external electronic computing device 10, in particular pre-trained, and transmitted to the control device 18 and stored internally in the vehicle.
- At least one item of information for the behavior model 12 is recorded by means of the recording device 20 of the motor vehicle 16 and the stored motor vehicle-internal neural network 26 is further trained in the motor vehicle by means of the characterizing parameter 28 and the at least one piece of information and at least one weighting parameter 30 of the motor-vehicle further trained neural network Network 26 is transmitted from the control device 18 to the electronic computing device 10 external to the motor vehicle, and the behavior model 12 is generated for the motor vehicle fleet 14 on the basis of the characterizing parameter 28 transmitted to the control device 18 and on the basis of the transmitted weighting parameter 30 by means of the electronic computing device 10 external to the motor vehicle.
- error messages can be stored within the control device 18, environmental data within the control device 18, such as temperature, voltage, input variables for the control device 18, and error signals from networked control devices.
- the aim is to predict the causes of errors.
- data on the day, time, weather and location can be stored.
- a prognosis for the use of the navigation device is generated.
- the assistance system which can in particular also be referred to as ADAS, it is stored which activation of the assistance functions, which driving situation or which location is present.
- the class of hot spots for example for pedestrian braking, can be generated.
- a number of measuring points of the detection device 20 and a data volume resulting therefrom and to be transmitted are determined and the resulting data volume is compared with a data volume which describes the weighting parameter 30 and depending on the comparison by means of the control device 18 a decision is made as to whether the data volume of the measuring points or the data volume of the weighting parameter 30 is to be transmitted to the electronic computing device 10 external to the motor vehicle.
- the neural network 24 in the motor vehicle-external electronic computing device 10 which can also be referred to as the backend, is pre-trained with a reduced data set.
- the pre-trained neural networks 24 or their weighting matrices, from which the network architecture can then in turn be derived, are transmitted to the control device 18 in the motor vehicle 16 .
- the control device 18 collects further data and uses it to train the motor vehicle's internal neural network 26 for the behavior observed precisely in this motor vehicle 16, which can also be referred to as edge computing.
- the weights of the motor vehicle's internal neural network 26 are transferred from this motor vehicle 16 to the vehicle's external electronic Computing device 10 transferred.
- the behavior model 12 is created from the individual models in the vehicle-external electronic computing device 10 with the aid of a method such as soft weight sharing or the ensemble method. With this behavior model 12, which can also be referred to as a world model, the desired forecasts, such as forecasts for the cause of the error, for the use of the navigation device or other assistance system can then be generated.
- the data are thus processed directly by the decentralized training in the control device 18 in the sense of edge computing.
- the transmission bandwidth in the backend is reduced since only the weighting parameter 30 of the motor vehicle's internal neural network 26 is transmitted.
- the knowledge is so to speak memorized and compressed in the motor vehicle's internal neural networks 26 .
- the behavior model 12 can then in turn be constructed from the trained neural networks 26 without great effort.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Automation & Control Theory (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
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- Computer Vision & Pattern Recognition (AREA)
- Biomedical Technology (AREA)
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- Business, Economics & Management (AREA)
- Game Theory and Decision Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
L'invention concerne un procédé de production d'un modèle de comportement (12) pour une flotte de véhicules automobiles (14) au moyen d'un dispositif informatique électronique extérieur au véhicule automobile (10), dans lequel au moins un paramètre (28) d'un véhicule automobile (16), lequel paramètre caractérise un réseau neuronal (24), est entraîné au moyen du dispositif informatique électronique extérieur au véhicule automobile (10) et est transmis au dispositif de commande (18) ; - au moins une information pour le modèle de comportement (12) est saisi au moyen d'un dispositif de capture (20) du véhicule automobile (16) ; - un réseau neuronal à l'intérieur du véhicule automobile stocké (26) est ensuite entraîné, à l'intérieur du véhicule automobile, au moyen du paramètre de caractérisation (28) ; - au moins un paramètre de pondération (30) du réseau neuronal (26) est transféré du dispositif de commande (18) au dispositif informatique électronique extérieur au véhicule automobile (10) ; et - le modèle de comportement (12) est produit pour la flotte de véhicules automobiles (14) au moyen du dispositif informatique électronique extérieur au véhicule automobile (10) sur la base du paramètre de caractérisation (28) transmis et sur la base du paramètre de pondération (30). L'invention concerne également un dispositif informatique extérieur au véhicule automobile (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020006267.9 | 2020-10-12 | ||
DE102020006267.9A DE102020006267A1 (de) | 2020-10-12 | 2020-10-12 | Verfahren zum Erzeugen eines Verhaltensmodells für eine Kraftfahrzeugflotte mittels einer kraftfahrzeugexternen elektronischen Recheneinrichtung, sowie kraftfahrzeugexterne elektronische Recheneinrichtung |
Publications (1)
Publication Number | Publication Date |
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WO2022078770A1 true WO2022078770A1 (fr) | 2022-04-21 |
Family
ID=78085884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2021/076975 WO2022078770A1 (fr) | 2020-10-12 | 2021-09-30 | Procédé de production d'un modèle de comportement pour une flotte de véhicules automobiles au moyen d'un dispositif informatique électronique extérieur au véhicule automobile, et dispositif informatique électronique extérieur au véhicule automobile |
Country Status (2)
Country | Link |
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DE (1) | DE102020006267A1 (fr) |
WO (1) | WO2022078770A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3117274A1 (fr) | 2014-04-22 | 2017-01-18 | Siemens Aktiengesellschaft | Procédé, dispositif de commande et produit-programme d'ordinateur permettant de commander un système cible par l'entraînement distinct de premier et second modèles de réseaux neuronaux récurrents qui sont initialement entraînés au moyen de données opérationnelles de systèmes sources |
EP3206411A1 (fr) * | 2016-02-11 | 2017-08-16 | Volvo Car Corporation | Agencement et procédé permettant de prédire le frottement d'une route dans un réseau routier |
WO2019001649A1 (fr) * | 2017-06-30 | 2019-01-03 | Conti Temic Microelectronic Gmbh | Transfert de connaissance entre différentes architectures d'apprentissage profond |
DE102019005825A1 (de) * | 2019-08-19 | 2020-03-12 | Daimler Ag | Verfahren zum Erzeugen von Trainingsdaten für eine kraftfahrzeugexterne elektronische Recheneinrichtung, sowie Fahrerassistenzsystem |
-
2020
- 2020-10-12 DE DE102020006267.9A patent/DE102020006267A1/de not_active Withdrawn
-
2021
- 2021-09-30 WO PCT/EP2021/076975 patent/WO2022078770A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3117274A1 (fr) | 2014-04-22 | 2017-01-18 | Siemens Aktiengesellschaft | Procédé, dispositif de commande et produit-programme d'ordinateur permettant de commander un système cible par l'entraînement distinct de premier et second modèles de réseaux neuronaux récurrents qui sont initialement entraînés au moyen de données opérationnelles de systèmes sources |
EP3206411A1 (fr) * | 2016-02-11 | 2017-08-16 | Volvo Car Corporation | Agencement et procédé permettant de prédire le frottement d'une route dans un réseau routier |
WO2019001649A1 (fr) * | 2017-06-30 | 2019-01-03 | Conti Temic Microelectronic Gmbh | Transfert de connaissance entre différentes architectures d'apprentissage profond |
DE102019005825A1 (de) * | 2019-08-19 | 2020-03-12 | Daimler Ag | Verfahren zum Erzeugen von Trainingsdaten für eine kraftfahrzeugexterne elektronische Recheneinrichtung, sowie Fahrerassistenzsystem |
Non-Patent Citations (1)
Title |
---|
YE DONGDONG ET AL: "Federated Learning in Vehicular Edge Computing: A Selective Model Aggregation Approach", IEEE ACCESS, IEEE, USA, vol. 8, 20 January 2020 (2020-01-20), pages 23920 - 23935, XP011771171, DOI: 10.1109/ACCESS.2020.2968399 * |
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DE102020006267A1 (de) | 2022-04-14 |
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