DE102012012381A1 - Method for controlling data traffic between motor vehicle and data users, involves transmitting status data to vehicle-external data processing device, and providing status data to multiple data users by data processing device - Google Patents

Abstract

The method involves determining a status data (3), which describes an actual state of a motor vehicle (1). The status data is transmitted to a vehicle-external data processing device (5) i.e. service provider. The status data is provided to multiple data users (7) by the vehicle-external data processing device. The status data is attributed with an attribute for converting the status data into provision data (9), which includes the status data. The provision data is provided to the data users. The attribute is contained with an accuracy and an actuality of the status data. An independent claim is also included for a system for controlling a data traffic between a motor vehicle and data users.

Description

The invention relates to a method and a system for controlling data traffic between a motor vehicle and a plurality of data users.

Motor vehicles are known which enable data exchange with vehicle-external data processing devices via a network, in particular an Internet. It is known that the motor vehicle acquires data via the network itself, in particular in order thereby to inform a user of the motor vehicle. In the opposite case, motor vehicles and systems are also known, wherein data of the motor vehicle can be retrieved on a vehicle-external data processing device, in particular in order to inform a user about a state of the motor vehicle. This causes a certain traffic to and from the vehicle away, which is particularly unwound via the data network.

The object of the invention is better to protect data originating from a motor vehicle from abusive access and / or to better control, in particular minimize, data traffic between the motor vehicle and external data processing devices.

The object is achieved by a method according to claim 1. Advantageously, the transmission of the state data to the vehicle-external data processing device for providing the state data to a plurality of data users by means of the vehicle-external data processing device. In particular, this is done by means of a secure data connection, in particular an encrypted data connection. In particular, the state data is transmitted exclusively to the vehicle-external data processing device. Advantageously, such a data stream originating from the motor vehicle can be transmitted or transmitted 100% secured to the vehicle-external data processing device. Advantageously, a data traffic can be bundled and its security can be increased. Advantageously, a capacity of a transmission device, in particular of a network, in particular of an Internet, can thus be better utilized or spared. Multiple accesses from the multitude of different data users to one and the same date, which would cause undesirably high data traffic, can be avoided. Advantageously, the state data are provided to the plurality of data users by means of the vehicle-external data processing device. Advantageously, this can take place exclusively so that it is always possible to control the type, duration and intensity of data usage of the status data by means of the vehicle-external data processing device. The vehicle-external data processing device may have corresponding interfaces for this purpose. In particular, the motor vehicle is advantageously locked even for direct access by means of the data user. Advantageously, the motor vehicle can be used for collecting data, in particular the status data, without an excessively increased data traffic due to the following provision. Advantageously, each date of the status data must be transmitted only once to the vehicle-external data processing device.

A preferred embodiment of the method is carried out according to claim 2. Advantageously, the state data can be modified by means of the vehicle-external data processing device, in particular to provide it in a standardized format of the plurality of data users.

A further preferred embodiment of the method is carried out according to claim 3. Advantageously, the status data can be identified by means of the attribute, so that the plurality of data users can be provided with better accessibility and / or higher data quality.

A further preferred embodiment of the method is carried out according to claim 4. Advantageously, an indication of the usability of the state data can be given by means of the accuracy.

A further preferred embodiment of the method is carried out according to claim 5. Advantageously, the actuality of the status data can be communicated to the multiplicity of data users. Advantageously, unnecessary data traffic can thereby be avoided, in particular if, in the case of an actual use of one or more of the data users, it is possible initially to check on the basis of the supplied actuality whether a later retrieval of the data may or may not be necessary. Advantageously, if the topicality is sufficient, a renewed access to the vehicle or the vehicle-external data processing device can be omitted. The same applies to the accuracy, wherein an unnecessary data access can be omitted if the existing accuracy is already sufficient. Alternatively or additionally, a collection location, ie a current location of the motor vehicle on which a corresponding date of the status data has arisen, can be added as an attribute to the status data or the corresponding data of the status data.

A further preferred embodiment of the method according to claim 6 carried out. Advantageously, by means of the criterion, the data traffic taking place between the motor vehicle and the vehicle-external data processing device can be controlled, in particular reduced, since actual data transmission takes place only if the criterion is met.

A further preferred embodiment of the method is carried out according to claim 7. Advantageously, it can be checked in particular whether the existing accuracy is sufficient. This can advantageously be done by means of the threshold value for the accuracy, so that the data transmission takes place only when the criterion is met, for example, an accuracy is not sufficient. Alternatively or additionally, this principle can also be applied to the topicality. Alternatively or additionally, in a simplest embodiment, the criterion may only have a waiting period which must have elapsed in order to allow a renewed data transmission. Advantageously, it can be achieved that during the waiting time of the period no data transmission takes place, this is available in particular for other applications. In particular, it can be pointed out by means of the attribute that it is forecast data. In particular, an estimated forecasting quality can be specified.

The object is also achieved by a system according to claim 10. In particular, the system has a previously described motor vehicle and / or a vehicle-external data processing device described above, so that the advantages described above result from the system.

Further advantages, features and details will become apparent from the following description in which - where appropriate, with reference to the drawings - at least one embodiment is described in detail. Described and / or illustrated features form the subject of the invention, or independently of the claims, either alone or in any meaningful combination, and in particular may additionally be the subject of one or more separate applications. The same, similar and / or functionally identical parts are provided with the same reference numerals.

Show it:

1 a schematic view of a system for controlling traffic between a motor vehicle and a plurality of data users;

2 a schematic view of deployment data of in 1 shown traffic; and

3 a schematic flow diagram of a method for operating the in 1 shown motor vehicle.

1 shows a schematic view of a system 19 to control traffic 21 between a motor vehicle 1 and a variety of data users 7 ,

The car 1 is from a user 25 usable, which is in the representation of the 1 currently outside the motor vehicle 1 staying. The user 25 is, unless he is outside the motor vehicle 1 is also a potential data user 7 and has, for example, a mobile terminal 27 , in particular a smart phone, in particular a mobile telephone and / or a stationary personal computer 29 ,

Also, in 1 additional data users 7 drawn, which are in particular service providers, in particular operate their own data processing devices and / or the like.

The communication between the data users 7 and the motor vehicle 1 finds over a data infrastructure cloud 23 instead of. Under a data infrastructure cloud 23 can be understood any data structure that is suitable for forwarding, storing and / or processing the data, in particular a network, in particular an Internet, in particular a vehicle-to-traffic infrastructure communication, in particular a vehicle-to-vehicle communication and / or similar.

In the motor vehicle 1 fall state data 3 indicating a current state of the motor vehicle 1 describe. These data can be determined by means of data acquisition devices, in particular sensor devices, and a control device 31 be supplied. The control device 31 of the motor vehicle 1 is set up, designed and / or constructed for collecting, determining, processing and / or storing, in particular caching the status data 3 ,

The car 1 has an in 1 Not shown data transmission device, in particular a mobile radio connection, in particular a connection to the data infrastructure cloud 23 by means of a tethering, wherein the mobile terminal 27 can be used as a modem for connecting. Alternatively or additionally, however, it may also be one in the motor vehicle 1 firmly integrated communication device, in particular mobile device act.

About this is the traffic 21 to the data users 7 settled. Advantageous are the status data 3 in the form of traffic 21 first to an external vehicle data processing device 5 , in particular a server device, in particular a service provider, transmitted. The required data traffic 21 can over the data infrastructure cloud 23 and / or handled by a direct connection. In particular, the motor vehicle 1 for direct access on the part of the data users 7 blocked.

The vehicle-external data processing device 5 has an updating logic, so only under certain conditions, namely, if a criterion 13 is met, the status data 3 actually from the motor vehicle 1 to the vehicle external data processing device 5 be transmitted. As a result, advantageously a traffic can be reduced.

Alternatively or additionally, the retrieval of the status data 3 on the part of the vehicle-external data processing device 5 also by an event 15 to be triggered.

Alternatively or additionally, the status data 3 also be used as the basis for a forecast, so as to the data users 7 available forecast data 17 to generate.

Advantageous are the status data 3 and / or the forecast data 17 the most diverse data users 7 to disposal. These are done by the vehicle external data processing device 5 made available.

2 shows a schematic view of delivery data 9 that the in 1 displayed status data 3 of the motor vehicle 1 exhibit. According to an advantageous alternative, the status data 3 by means of an attribute 11 attributions. At the attribute 11 in particular, it concerns an accuracy and / or an actuality of corresponding individual data records 3N, 11M of the provisioning data 9 , The status data 3 consist of individual data 3N, which by attributing the attribute 11 to individual data sets 3N, 11M be supplemented. Each record represents a single date of the provisioning data 9 is and is advantageous by means of the vehicle external data processing device 5 the multitude of data users 7 made available. This can be advantageous in the in 2 shown standardized form and / or via standardized interfaces.

3 shows a method for operating the in 1 shown motor vehicle 1 and / or to operate the in 1 shown system 19 ,

It can be seen in 3 a branch 33 that the criterion 13 abprüft. It can be seen that as long as the criterion 13 not satisfied, the branching 33 branched in itself. However, if the criterion 13 is fulfilled, becomes a first step 35 performed in which the status data 3 be determined. Alternatively or additionally, the determination of the status data 3 cyclically by means of the control device 31 of the motor vehicle 1 done so that the branching 33 only after the first step 35 is carried out and, if the criterion 13 is met, an access to the status data 3 he follows.

In a second step 37 become the state data 3 to the in 1 shown external vehicle data processing device 5 transmitted, in particular by means of the data transmission device of the motor vehicle 1 ,

In a third step 39 become the state data 3 by means of the attribute 11 attributions. This step is optionally done by means of the control device 31 of the motor vehicle 1 that is before the transmission and / or after the transmission, but then by means of the vehicle-external data processing device 5 , By means of a dashed back reference to the branch 33 is symbolized that the criterion 13 according to an advantageous alternative to the provisioning data 9 , in particular the state data 3 itself, and / or the attribute 11 depends.

In a fourth step 41 become the provisioning data 9 the multitude of data users 7 for use, in particular for retrieval from the vehicle-external data processing device 5 , provided. In particular, the provision of the provision data takes place 9 by means of the vehicle-external data processing device 5 , This step can be done several times until the real data returns 3 be transmitted.

In summary, advantageously a security of the data traffic 21 be increased and communication costs, especially the traffic 21 to be reduced.

Advantageously, a physical access of the data users 7 on the motor vehicle 1 and an actual use of the state data 3 of the motor vehicle 1 be separated from each other. Advantageously, the access takes place only via the vehicle-external data processing device 5 , The services, in particular other servers, a vehicle-specific homepage, grab advantageous on their own interfaces on the vehicle external Data processing device 5 , in particular designed as a central server, and receive advantageous the status data 3 in an abstracted form, in particular in the form of the provisioning data 9 and / or forecast data 17 , In a simplest embodiment, the provisioning data 9 only the status data 3 on. Alternatively or additionally, however, these can also be the attribute 11 be supplemented, in particular the timeliness and / or a maximum deviation between stored data and real values, in particular the accuracy of the state data 3 exhibit.

• – einen Kilometerstand;
• – eine letzte Aktualisierung am 10.02.2011, um 13:00 Uhr;
• – eine verbleibende Kilometerstrecke bis zu einer Wartung;
• – letzte Aktualisierung vor zwei Tagen;
• – einen Ladestand einer Starterbatterie;
• – letzte Aktualisierung gestern bei einem Abschalten des Motors;
• – ein Ladestand einer Traktionsbatterie beziehungsweise Hochvoltbatterie;
• – heute, 13:03 Uhr;
• – Abweichung +/–10%.

Examples of individual records 3N, 11M of the provisioning data 9 can have the following values:

• - a mileage;
• - a last update on 10.02.2011, at 13:00;
• - a remaining distance to maintenance;
• - last update two days ago;
• - a charge of a starter battery;
• Last update yesterday when the engine was switched off;
• - A charge of a traction battery or high-voltage battery;
• - today, 1:03 pm;
• - Deviation +/- 10%.

The last example contains in terms of accuracy a maximum deviation from a state of charge value of the state data 3 , This deviation can be a known value if a vehicle-side algorithm and / or a server-side algorithm are implemented in such a way that the values are automatically updated if this deviation is exceeded.

Advantageously, the data updating logic of the vehicle external data processing device 5 be controlled so that the traffic 21 is controlled.

In particular, the vehicle-external data processing device 5 an updating logic that controls the traffic 21 , in particular a data exchange between the motor vehicle 1 and the data users 7 controls. In particular, the state data becomes 3 , in particular the provisioning data 9 , via the vehicle-external data processing device 5 which is equipped in particular as a server.

Advantageously finds by means of the vehicle external data processing device 5 a decoupling between the data users 7 and the motor vehicle 1 instead of. This is achieved, in particular, by checking inquiries regarding a request content and with respect to a frequency by means of a plausibility logic, and if a security impairment for the vehicle can not be ruled out, a rejection of the request by means of the vehicle-external data processing device 5 he follows.

In particular, it is provided that the update logic by the state data 3 itself is controlled, in particular a kilometer value, in particular a current position of the motor vehicle 1 , in particular a dynamically changing average consumption, and / or a time control and / or an event control depending on the event 15 and / or a request for the state data 3 on the part of the data users 7 ,

In particular, it is provided that the updating logic is controlled by a maximum deviation between a stored value and a real value. In particular, a call can be made as soon as a mileage deviates from a real mileage by 100 km.

In particular, it is provided that on the vehicle external data processing device 5 in addition to real transmitted values, in particular the status data 3 , Extrapolierte by a prediction function values are calculated, in particular the forecast data 7 , In particular, the prognosis function can perform a context-free extrapolation and / or close the current values, in particular on the basis of a vehicle speed and / or position and / or past driving behavior, in order to predict them.

Alternatively or additionally, it is provided that on the vehicle-external data processing device 5 for different services, especially the data users 7 , different interfaces are offered, which act in different ways on the updating logic and / or have different current values. In particular, for fleet operators qualitatively different data can be offered than for direct end customers and / or the communication volume can be restricted, if it is queried automatically, for the data traffic 21 to restrict.

Alternatively or additionally, it is provided that between the vehicle-external data processing device 5 and one of the data users 7 dynamically a quality of service can be arranged, such that one of the data users 7 a request for a timeliness and / or accuracy of the status data 3 transmitted in a request and the vehicle-external data processing device 5 a scored actuality and / or accuracy, in particular the attribute 11 , returned.

LIST OF REFERENCE NUMBERS

1

motor vehicle

3

state data

5

In-vehicle data processing device

7

data users

9

Provisioning data

11

attribute

13

criteria

15

event

17

forecast data

19

system

21

traffic

23

Data infrastructure cloud

25

user

27

mobile terminal

29

Personal computer

31

control device

33

branch

35

first step

37

second step

39

Third step

41

fourth step

Claims (10)

Method for controlling a traffic ( 21 ) between a motor vehicle ( 1 ) and a variety of data users ( 7 ), comprising: - determining a condition of the motor vehicle ( 1 ) descriptive status data ( 3 ), - transmitting the status data ( 3 ) to an off-board data processing device ( 5 ), - providing the status data ( 3 ) to a large number of data users ( 7 ) by means of the vehicle-external data processing device ( 5 ). Method according to the preceding claim, comprising: - transferring the status data ( 3 ) in the status data having provisioning data ( 9 ), - providing the provisioning data ( 9 ) to the multitude of data users ( 7 ). Method according to one of the preceding claims, comprising: - attributing the status data ( 3 ) with an attribute ( 11 ) for transferring the condition data into the provisioning data ( 9 ). Method according to the preceding claim, wherein the attribute ( 11 ) an accuracy of the state data ( 3 ) having. Method according to one of the preceding two claims, wherein the attribute ( 11 ) an actuality of the status data ( 3 ) having. Method according to one of the preceding claims, comprising: - providing one of the status data ( 3 ) satisfiable criterion ( 13 ), - transmitting the status data ( 3 ) to the vehicle-external data processing device ( 5 ) only if the criterion ( 13 ) is satisfied. Method according to the preceding claim, wherein the criterion ( 13 ) has a threshold value for the accuracy and / or the timeliness and / or a period of time to be kept waiting. Method according to one of the preceding claims, comprising: - requesting the status data ( 3 ) of the motor vehicle ( 1 ) by means of the vehicle-external data processing device ( 5 ), if an event ( 15 ) is present. Method according to one of the preceding claims, comprising: - forecasting forecast data ( 17 ) depending on the status data ( 3 ) and / or delivery data ( 9 ), - providing the forecast data ( 17 ) to the multitude of data users ( 7 ). System ( 19 ) for controlling a traffic ( 21 ) between a motor vehicle ( 1 ) and a variety of data users ( 7 ), comprising: - a motor vehicle ( 1 ), by means of which a state of the motor vehicle ( 1 ) descriptive status data ( 3 ), - an external vehicle data processing device ( 5 ), the state data ( 3 ) of the motor vehicle ( 1 ) to the vehicle-external data processing device ( 5 ) and by means of this a large number of data users ( 7 ) are available.

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