EP4540703A1 - Verfahren zum einbringen eines drahtlos-updates in eine recheneinheit eines fahrzeugs und system - Google Patents
Verfahren zum einbringen eines drahtlos-updates in eine recheneinheit eines fahrzeugs und systemInfo
- Publication number
- EP4540703A1 EP4540703A1 EP24714829.9A EP24714829A EP4540703A1 EP 4540703 A1 EP4540703 A1 EP 4540703A1 EP 24714829 A EP24714829 A EP 24714829A EP 4540703 A1 EP4540703 A1 EP 4540703A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- management module
- user
- vehicle state
- update
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/547—Remote procedure calls [RPC]; Web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
Definitions
- Modern vehicles have a telecommunications unit that allows the vehicle to be connected wirelessly to the Internet. This also makes it possible to obtain software updates wirelessly, for example via mobile communications.
- Installing software updates can also be time-consuming. During installation, a corresponding computer system is switched on and consumes energy. Powerful computer systems in particular have a high energy requirement. This means that the vehicle's electrical energy storage system is increasingly depleted by installing software updates. In a battery-electric vehicle, this can reduce the remaining range.
- US 11,269,617 B2 which represents the closest prior art, discloses a system for transmitting at least one update package for at least one control unit of a motor vehicle and a corresponding method.
- the installation of the update package on the control unit can, for example, be made dependent on whether the vehicle is currently connected to a charging station.
- dependencies of the update packages on specific hardware components and software components can be taken into account. This makes it possible to form installation groups so that different update packages can be combined depending on the hardware and/or software version of a vehicle. This enables a quick and efficient distribution of update packages to differently equipped vehicles.
- DE 102016 014 326 A1 discloses a method for operating an assistance system of a vehicle, which provides that a comparison is carried out with stored data on the basis of vehicle data and an update of the vehicle data to be carried out is determined on the basis of the comparison and, if an update is present, a notification for carrying out this update is issued to a mobile terminal of the user, wherein the user is only informed of the update of the vehicle data when the vehicle is stationary and the ignition is switched off.
- DE 102019 104434 A1 discloses a system having a memory storing a probability map including information indicating probabilities that a vehicle will be in use during each of a plurality of segments of a time period; and a processor of the vehicle programmed to schedule a time to install a software update using the probability map and an expected downtime required for installation, and to install the software update at that time in response to confirmation that the vehicle is not in use.
- WO 2017/190 868 A1 discloses a method for updating the software of at least one sensor in a motor vehicle that is equipped with a motor vehicle communication system.
- the software to be updated is transmitted to the motor vehicle communication system and transferred from the motor vehicle communication system to the at least one sensor, with the new software only being transferred to the at least one sensor when the motor vehicle is at a standstill or when the motor vehicle's engine is at a standstill.
- confirmation of the software update is requested via the smartphone of the user or driver of the vehicle in order to install the software update.
- US 2015 / 0 169 311 A1 discloses a method for scheduling a software update with an automatic determination of a time window for the software update based on a tracked usage pattern and the application of software updates to the vehicle during the planned time window, determining whether prior notification or approval of the user is required and, if so, performing the software update upon user approval.
- a first computer system can be used to remotely access a second computer system and thus a software update can be installed on the second computer system via the first computer system.
- the computer systems can be designed in different ways, for example as a desktop computer, laptop, tablet computer, smartphone, server and the like.
- the present invention is based on the object of providing an improved method for introducing a wireless update into a computing unit of a vehicle, with the aid of which the reliability of the vehicle can be increased.
- this object is achieved by a method for introducing a wireless update into a computing unit of a vehicle with the features of claim 1.
- a generic method for introducing a wireless update into a computing unit of a vehicle wherein the wireless update is provided by a central computing device, is transmitted wirelessly from the central computing device to a telecommunications unit in the vehicle and is temporarily stored in the vehicle, and wherein a management module collects status information which describes at least one vehicle status, and the management module initiates an installation of the wireless update on the computing unit depending on the status information when the management module receives an installation command issued by a user via a mobile terminal, is further developed according to the invention in that
- the management module makes at least one proactive request to the user to specify a vehicle state default value for at least one vehicle state;
- the management module receives and stores a vehicle condition default value specified by the user
- the management module after the wireless update has been provided by the central computing device, compares the status information with the specified vehicle status default values;
- the management module makes a proactive user request to install the wireless update via the mobile device if at least one vehicle state for which a vehicle state default value has been set meets its respective vehicle state default value;
- the management module initiates the installation of the wireless update on the computing unit when the management module receives an installation confirmation.
- the vehicle status describes all conceivable properties and states of the vehicle and vehicle components. This includes, for example, a door locking status, the degree of opening of an electric window, the degree of opening of a roof window, the ignition status, the length of time after the engine has been switched off, an oil temperature, an interior temperature, an outside temperature, a time, a date, settings of vehicle subsystems such as a radio station set in an infotainment system, an active audio source, the setting of an air conditioning system and the like.
- the corresponding status information is therefore measured by the vehicle using sensors and provided by the computing units installed in the vehicle. Access is possible via a data bus, for example via a CAN bus.
- the user can specify that a suitable time window for installing wireless updates only exists when a certain minimum amount of time has elapsed since the vehicle's engine was switched off and, optionally, the engine or the oil or cooling water has cooled down to a certain temperature. This can be an indication that the vehicle will not be used for a longer period of time, so that wireless updates can be installed without the risk of the user wanting to use the vehicle. This increases the reliability of the vehicle because it prevents the vehicle from not being ready when the user wants to use the vehicle for a journey.
- the management module only requests the user to confirm the installation of the wireless update if a suitable time period exists, i.e. a situation defined by the user using the vehicle status default values. This also improves user comfort, as installation requests are not made if there is no suitable time window.
- the mobile device By using the mobile device, the user does not have to be present in the vehicle to start the installation, which further improves user comfort and also increases reliability, as the installation of the wireless update can be started immediately after the relevant installation conditions have been met and there is no need to wait until the user has entered their vehicle.
- "introducing" means both downloading the wireless update and installing it on the computing unit.
- the central computing device can be a cloud server, also known as a backend, for example.
- the central computing device can be operated by the vehicle manufacturer, for example.
- a wireless connection of the telecommunications unit to the central computing device is possible using various radio technologies, such as mobile communications, WiFi, Bluetooth, NFC, ZigBee or the like.
- a particularly available connection is possible via mobile communications. It is also conceivable that, for example, there is a Wi-Fi hotspot at the user's private parking location, via which the telecommunications unit can establish a connection to the central computing device using WLAN and the user's landline.
- a downloaded wireless update can be temporarily stored in various places in the vehicle.
- the relevant data can be stored in the telecommunications unit itself or in any computing unit, for example.
- the installation then takes place by reading the relevant data from the telecommunications unit or computing unit.
- the wireless update can also be a so-called differential update, i.e. an update that only contains parts of the program code that need to be replaced. Programs or parts of programs that have already been implemented on a computing unit can be replaced, or completely new programs can be introduced into the vehicle.
- the management module can also be referred to as a download manager, installation manager or update manager.
- the management module can be made up of hardware and/or software components.
- the management module can be a separate unit or can be distributed. Individual parts of the management module can be distributed across one or more computing units in the vehicle, the telecommunications unit, the mobile device and/or the central computing device.
- a respective vehicle state default value defines the vehicle states for which the installation of wireless updates is desired by the user.
- the vehicle state can be the state of the ignition, in which case the vehicle state default value would then take on the value "Off", for example.
- Another example of a vehicle state would be the charge level of a traction battery with the value "over 40%" for the associated vehicle state default value.
- Another example of the vehicle state would be the use of an auxiliary heater with the value "Deactivated" for the associated vehicle state default value. The user can therefore specify that a software update should only be carried out before starting or after using an auxiliary heater, but not while the auxiliary heater is in operation.
- the consumption of the vehicle's on-board network can also be taken into account, which can prevent the installation of wireless updates and the associated increased power requirements of the executing processing unit from placing excessive strain on an already overloaded on-board network.
- Consumers that are not currently relevant can also be specifically deactivated or the installation can be scheduled for a time window in which the consumers in question are deactivated, which is also known as load distribution or load balancing.
- a wireless update can also be enriched with additional information.
- This additional information can be determined by the vehicle manufacturer and attached to the wireless update and can, for example, specify an installation time depending on the respective hardware component and, if applicable, the power consumption incurred or the amount of electrical energy required.
- the management module can take this additional information into account in order to find suitable time windows, taking into account the vehicle condition specifications, at which the proactive user request to install the wireless update is made to the user. If, for example, the user specifies that a wireless update should be installed before running an auxiliary heating program, but there is not enough time to install the wireless update after the wireless update has been provided by the central computing device until the auxiliary heating is activated, the management module refrains from issuing the proactive user request.
- Information about the download or installation progress can of course be displayed on the mobile device. For example, the user can be shown a current download rate, download progress or installation progress.
- the management module only makes the user request to install the wireless update when all vehicle states for which a vehicle state default value has been specified meet their respective vehicle state default values.
- vehicle state default values for several vehicle states.
- the user can then prioritize which vehicle states must at least be met so that the user is shown the corresponding installation prompt.
- An equivalent OR selection can also be made, such as either the elapse of a specified period of time after deactivation of the drive motor or the cooling water or oil cooling down to a certain temperature.
- all vehicle state default values specified by the user must be met before the proactive user request to install the wireless update is issued to the user via the mobile device. This increases the probability that there really is such a time window during which the vehicle will not be used by the user and thus a safe installation of the wireless update is possible.
- the mobile device, the central computing device or the management module automatically issues the installation confirmation as soon as the at least one vehicle state for which a vehicle state default value was defined meets its respective vehicle state default value. This allows the reliability of the vehicle to be improved even further. If the respective vehicle states defined by the user meet their respective vehicle state default value, it can be assumed that the user also wants the wireless update to be installed. In this case, the wireless update can then be installed directly by automatically issuing the installation confirmation. During the day, it often happens that the mobile device is not within reach of the user, for example when the user is attending a meeting, showering, cooking, playing with his Children are playing or the like.
- the user can also specify for which individual vehicle states the automatic installation confirmation should be issued and for which not. For example, the user can specify that an installation confirmation should be issued automatically between 10 p.m. and 4 a.m. when the vehicle ignition is deactivated, but that manual confirmation is required during the day.
- a further advantageous embodiment of the method also provides that the management module determines a current electrical energy consumption of the vehicle, compares the current energy consumption with an electrical energy reserve held in an electrical energy storage device of the vehicle and only initiates the installation of the wireless update on the computing unit if, in addition, a predicted electrical energy reserve after installation of the wireless update is greater than a predetermined threshold value.
- energy consumption means the energy balance, i.e. the power of electrical consumers and any charging power when the vehicle is connected to a charging station, for example. The energy consumption can be positive or negative accordingly.
- the electrical energy storage device is, for example, a traction battery or a starter battery.
- the vehicle is able to estimate how much electrical energy will be consumed until the wireless update is installed, taking into account the expected download or installation time and the energy requirements of the corresponding computing units. By also taking into account the electrical energy consumption, the vehicle can then predict what electrical energy reserve is likely to still be available after the wireless update has been installed.
- the management module issues a notification message to the user via the mobile terminal if at least one vehicle state for which a vehicle state default value has not met its respective vehicle condition default value for a vehicle condition-specific period of time. If the corresponding vehicle condition is relevant for the user for installing wireless updates and the corresponding vehicle condition does not meet its vehicle condition default value for a disproportionately long period of time, the wireless update cannot be installed due to the failure to issue the proactive user query to install the wireless update. This is the case, for example, if the user has set a certain threshold voltage for the vehicle's electrical energy storage device and this threshold voltage is never exceeded. This can be the case, for example, if there are unexpected leakage currents in the on-board network. In this case, the user should take their vehicle to a workshop to repair the defect. In such a case, the user is shown notification messages on the mobile device, which further increases the reliability of making the vehicle available.
- a further advantageous embodiment of the method according to the invention further provides that the management module sends an action request to the user via the mobile device for at least one vehicle state that does not meet its respective vehicle state preset value, after which the management module has confirmed the action request by the user, and after this the management module causes a vehicle component linked to the vehicle state to be controlled to change its state.
- the management module sends an action request to the user via the mobile device for at least one vehicle state that does not meet its respective vehicle state preset value, after which the management module has confirmed the action request by the user, and after this the management module causes a vehicle component linked to the vehicle state to be controlled to change its state.
- This also makes it possible to further increase the reliability of the vehicle. If, for example, the user has specified that wireless updates should only be installed when the windows are closed, a corresponding notification message can be issued to the user in a case where at least one window of the vehicle is still at least partially open. The user is then able to issue a closing command to the vehicle via the mobile device so that the vehicle closes the window
- the management module after the wireless update has been provided by the central computing device, makes a proactive user request for the transmission of the wireless update to the telecommunications unit via the mobile terminal, and only then initiates the transmission of the wireless update to the Telecommunications unit when the management module receives a transmission confirmation.
- the transmission confirmation is issued by the user via the mobile device.
- available wireless updates are not downloaded automatically and immediately from the vehicle, but only after confirmation by the user. This gives the user even more control over the process of installing wireless updates in their vehicle.
- a system comprising an in-vehicle computing unit, an in-vehicle telecommunications unit, a central computing device, a mobile terminal and a management module
- the computing unit, the telecommunications unit, the central computing device, the mobile terminal and the management module are set up according to the invention to carry out a method described above.
- corresponding hardware components and software components are required.
- the hardware components comprise computer-readable storage media on which program code is stored, the execution of which by an execution unit such as a processor enables the provision of the method steps according to the invention.
- the management module i.e. a corresponding download, installation or update manager, can be implemented entirely or partially on one or different hardware components, i.e. on an in-vehicle computing unit, the telecommunications unit, the central computing device and the mobile terminal.
- FIG. 1 is a schematic representation of a system according to the invention for introducing wireless updates into a computing unit of a vehicle
- Fig. 2 is a flow chart of a method according to the invention for introducing wireless updates into a computing unit of the vehicle.
- Figure 1 shows a vehicle 2 comprising two computing units 1 and a telecommunications unit 4. Also shown are a mobile terminal 6 and a central computing device 3.
- a user initially determines the vehicle states for which an installation is possible. These states correlate with situations in which the user is unlikely to use his vehicle. A corresponding situation exists when said vehicle states meet their corresponding vehicle state default value specified by the user (not shown).
- a new wireless update is provided by the central computing device 3. The wireless update is then downloaded to the vehicle 2 via the telecommunications unit 4 in a method step 202.
- a method step 203 the management module 5 collects status information that describes the respective vehicle states.
- the status information is compared with the respective vehicle state default values specified by the user. If vehicle states specified as relevant by the user in method step 205 do not meet their respective vehicle state default value, the process continues with method step 203. If at least one critical vehicle state meets its vehicle state default value, a proactive user request to install the wireless update is sent to the user's mobile terminal 6 in method step 206.
- process step 207 the user manually confirms this user request, which starts the installation of the wireless update in process step 208.
- a corresponding installation confirmation can also be issued automatically, as indicated by process step 207'. This is the case if the user has enabled this for individual vehicle states. If the vehicle state default value is met for such an enabled vehicle state, the installation confirmation can then be issued automatically.
- the reliability of the vehicle 2 is increased, since it is thus more likely that wireless updates have already been installed (within a suitable time window), and thus the user can use his vehicle 2 to carry out a journey if he intends to do so.
- user satisfaction is improved due to the convenient management of update processes via the mobile terminal 6.
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Stored Programmes (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102023001418.4A DE102023001418B4 (de) | 2023-04-11 | 2023-04-11 | Verfahren zum Einbringen eines Drahtlos-Updates in eine Recheneinheit eines Fahrzeugs und System |
| PCT/EP2024/057065 WO2024213345A1 (de) | 2023-04-11 | 2024-03-15 | Verfahren zum einbringen eines drahtlos-updates in eine recheneinheit eines fahrzeugs und system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4540703A1 true EP4540703A1 (de) | 2025-04-23 |
Family
ID=90545004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24714829.9A Pending EP4540703A1 (de) | 2023-04-11 | 2024-03-15 | Verfahren zum einbringen eines drahtlos-updates in eine recheneinheit eines fahrzeugs und system |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4540703A1 (de) |
| JP (1) | JP2026511914A (de) |
| KR (1) | KR20250162816A (de) |
| CN (1) | CN120826668A (de) |
| DE (1) | DE102023001418B4 (de) |
| WO (1) | WO2024213345A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9715378B2 (en) | 2013-12-18 | 2017-07-25 | International Business Machines Corporation | Automated software update scheduling |
| DE102016207836A1 (de) | 2016-05-06 | 2017-11-09 | Robert Bosch Gmbh | Verfahren und System zum Aktualisieren der Software eines Kraftfahrzeug-Sensors |
| DE102016014326A1 (de) | 2016-12-01 | 2017-07-06 | Daimler Ag | Verfahren zum Betrieb eines Assistenzsystems eines Fahrzeuges |
| US20200089487A1 (en) * | 2017-10-03 | 2020-03-19 | Google Llc | Update courier for vehicular computing devices |
| DE102018001347A1 (de) | 2018-02-21 | 2019-08-22 | Daimler Ag | System zum Übertragen zumindest eines Aktualisierungspakets für zumindest ein Steuergerät eines Kraftfahrzeugs sowie Verfahren |
| US11017616B2 (en) | 2018-02-22 | 2021-05-25 | Ford Global Technologies, Llc | Smart over-the-air updates using learned vehicle usage |
-
2023
- 2023-04-11 DE DE102023001418.4A patent/DE102023001418B4/de active Active
-
2024
- 2024-03-15 CN CN202480020110.6A patent/CN120826668A/zh active Pending
- 2024-03-15 WO PCT/EP2024/057065 patent/WO2024213345A1/de not_active Ceased
- 2024-03-15 KR KR1020257033052A patent/KR20250162816A/ko active Pending
- 2024-03-15 EP EP24714829.9A patent/EP4540703A1/de active Pending
- 2024-03-15 JP JP2025557547A patent/JP2026511914A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN120826668A (zh) | 2025-10-21 |
| DE102023001418A1 (de) | 2024-10-17 |
| WO2024213345A1 (de) | 2024-10-17 |
| JP2026511914A (ja) | 2026-04-14 |
| KR20250162816A (ko) | 2025-11-19 |
| DE102023001418B4 (de) | 2025-03-20 |
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