13 results about "Vehicular communication systems" patented technology

The present invention relates to a vehicle communication system with an alternative periodic connection mode. A communication system for a vehicle includes a controller adapted to selectively execute an alternative periodic connection mode for communication between a user of the vehicle and a remote assistance unit. The vehicle is not connected to a wireless plan. The controller has a processor and a tangible non-transitory memory with instructions recorded thereon. The alternative periodic connection mode is activated based in part on at least one automatic trigger and / or a request from the user. The controller is adapted to assign a different identifier to the vehicle during execution of the alternative periodic connection mode. The different identifier is defined by a plurality of parameters including a connection time interval, an internet protocol address range, and a host port. The internet protocol address range and host port can be dynamically configured to remain disengaged unless permission is given to the system.

System (10) for route planning of a vehicle (12) based on the road characteristics, wherein the system (10) comprises: a global navigation satellite system (GNSS) (16) for determining a geographic location of the vehicle (12); a vehicle communication system (20) for communicating with server systems (28); and a vehicle controller (14) in electrical connection with the GNSS (16) and the vehicle communication system (20), wherein the vehicle controller (14) is programmed: to determine a vehicle mass, a vehicle height and a vehicle width; to receive a navigation request from an occupant of the vehicle (12); and to determine a navigation route using at least the GNSS (16) and the vehicle communication system (20) in response to receiving the navigation request, wherein the navigation route is based at least partially on the vehicle mass, vehicle height and vehicle width, wherein, in order to determine the navigation route, the vehicle controller (14) is further programmed as follows: to determine the geographical location of the vehicle (12) using the GNSS (16); to transmit the vehicle's geographical location (12), navigation request, vehicle mass, vehicle height and vehicle width to a server controller (30); and to receive the navigation route from the server controller (30) using the server controller (30), which is programmed as follows: to determine several possible routes at least partially based on the geographical location of the vehicle (12), each of which satisfies the navigation requirement; to determine a route-drive comfort score for each of the several possible routes; and to select the navigation route from the several possible routes at least partially based on the route drive comfort score for each of the several possible routes, wherein the server controller (30) is electrically connected to a database, wherein the database contains several segment drive comfort records, wherein each of the several segment drive comfort records corresponds to one of several road segments of several lanes, and wherein each of the several segment drive comfort records has a location attribute, a vehicle class attribute and a drive comfort score attribute, wherein, in order to determine the route drive comfort score for each of the several possible routes, the server controller (30) is further programmed as follows: to determine a vehicle class of the vehicle (12) at least partially based on the vehicle mass, vehicle height and vehicle width; to retrieve a subset of the multiple segment drive comfort records from the database, wherein the location of each subset of the multiple segment drive comfort records is along one of the multiple possible routes, and wherein the vehicle class of each subset of the multiple segment drive comfort records corresponds to the vehicle class of vehicle (12); and The route drive comfort score for each of the multiple possible routes is determined by summing the drive comfort score of each subset of the multiple segment drive comfort data records along each of the multiple possible routes.

In certain embodiments, a control system for an electric vehicle includes an electronic control unit (ECU) bus and a plurality of ECUs. A first ECU executes a broker service that communicates with a network server over a network, receives state information from applications executing on the ECUs, generates subscription information based on the state information, and transmits the subscription information to the applications that are subscribed to the subscription information. The first ECU also executes a translation service that communicates with the broker service and the ECU bus, and an application that generates state information, sends the state information to the broker service, and receives subscription information from the broker service. The second ECU executes an application that transmits state information over the ECU bus to the first ECU, and receives subscription information over the ECU bus from the first ECU.

The application belongs to the field of automobile electronic control, and discloses a double-distributed automobile panoramic sunroof control method and system based on LIN communication, aiming at solving the problems of low software reuse rate, poor function consistency and program flashing during assembly of the existing controller. The application establishes a signal difference list containing difference signal identification and corresponding function processing logic for two kinds of distributed vehicle LIN communication systems; after the whole vehicle is powered on, the controller obtains message information through the LIN bus, identifies the architecture type of the vehicle based on the list, determines the matched software program version after the architecture is determined, realizes the matching of function logic and communication signals, and finally executes the sunroof function according to the software version and list logic and feeds back the message. The application realizes unified list management and automatic architecture adaptation, does not need to develop multiple sets of software versions and program flashing, reduces the part number of the controller, improves the software reuse rate, guarantees the function consistency, and realizes flexible compatibility of the double-distributed architecture.

A vehicle communication system (1) comprising: an on-board computer processor (3) communicating with a wireless transceiver (15), wherein the wireless transceiver (15) is capable of communicating with a wireless communication device (17) located remotely from the processor (3); at least one audio output (13) controllable by the processor (3); at least one input control communicating with the processor (3), configured as a touch-controlled input device; a microphone (29) communicating with the processor (3); wherein the processor (3) is capable of establishing a connection to a remote network (61) via the wireless communication device (17), and wherein the processor (3) is also configured to detect activation of the touch-controlled input device (301) and, in response, to initiate a voice session (303);characterized in that the processor (3) is also configured to proceed to the detection (309) of speech input via the microphone (29) in response to the detection of a reactivation (305) of the touch-controlled input device after the start of the speech session (303), without first providing session instructions with a playback of the voice-controlled menu (307), and to provide session instructions with a playback of the voice-controlled menu (307) in response to the detection (309) of speech input via the microphone (29) in response to the detection (309) of speech input via the microphone (29) after the start of the speech session (303), and to proceed to the detection (309) of speech input via the microphone (29) in response to the detection (309) of the touch-controlled input device after the start of the speech session (303).

A communication method is executed by a plurality of electronic control devices (30A, 30B, 30C), which are connected to an in-vehicle network, in a vehicle communication system (10) in which the plurality of electronic control devices (30A, 30B, 30C) communicate with each other by using a common key shared among the plurality of electronic control devices. The communication method includes: performing communication by using only a first common key (Ka) that is written in advance to a memory (34); and, when a second common key (Kb) that is newly shared instead of the first common key (Ka) is written to the memory (34), transitioning to an intermediate mode in which communication is performed by using both the first and second common keys (Ka, Kb).

A system includes one or more processors configured to communicatively link a first operator control unit (OCU) disposed off-board a vehicle system with a vehicle control system (VCS) disposed onboard the vehicle system. The vehicle system is formed from first and second vehicles. The VCS is configured to remotely control movement of the second vehicle from the first vehicle, wherein the one or more processors configured to receive a control signal communicated from the first OCU to a communication device that is onboard the first vehicle. The control signal dictates a change in movement operational setting of the second vehicle. The one or more processors configured to direct the communication device to communicate the control signal from the first vehicle to the second vehicle via the VCS, wherein movement of the second vehicle is automatically changed responsive to communicating the control signal from the first vehicle to the second vehicle.

The present invention relates to a method for the transfer of data in a communication system (11) of a vehicle, comprising: said communication system (11) comprising at least one first bus system (10, 12, 14) and at least one subsequent bus system (10, 12, 14); at least one first domain (40, 42, 44) can be used as an independent execution entity, in particular an AUTOSAR domain (40, 42, 44), for exchanging said data between said bus systems (10, 12, 14), Within said first domain (40, 42, 44) application programs (46, 48), in particular vehicle functions, can be executed; and said first domain (40, 42, 44) comprising at least a standardized interface, in particular an AUTOSAR real-time environment, to said application programs (46, 48); The subsequent domains (16, 18, 20) are regarded as subsequent execution entities independent of the first domains (40, 42, 44), and only the subsequent domains (16, 18, 20) access a physical interface (13) of the communication system (11), thereby exchanging data between the communication system (11) and the first domain (40); data (70, 72, 74) received via a physical interface (13) of the communication system (11) in said subsequent domain (16, 18, 20) is processed at least with respect to transmission, It concerns the method.

A multitude of routes from a starting point to a destination are received from each of a multitude of navigation applications, executed by one or more controllers and / or by one or more mobile devices communicating with the vehicle via at least one connectivity interface. A recommended route is identified from each of the multitude of navigation applications to define a set of recommended routes. The recommended routes are aggregated to determine discrepancies between them. If the recommended routes match, they are used as an optimized route for the vehicle. If the recommended routes do not match, the discrepancies are visualized on the vehicle's human-machine interface (HMI).

A system for guiding a vehicle's route based on road surface characteristics, wherein the system comprises: a global navigation satellite system (GNSS) to determine the vehicle's geographic location; a vehicle communication system for communication with at least one external system; and a vehicle controller in electrical communication with the GNSS and the vehicle communication system, wherein the vehicle controller is programmed to: Determining the vehicle length and vehicle width; Receiving a navigation request from a vehicle occupant; and Determining a navigation route using at least the GNSS and the vehicle communication system in response to receiving the navigation request, wherein the navigation route is based at least partially on the vehicle length and vehicle width, and wherein, in order to determine the navigation route, the vehicle controller is further programmed to: Determining the geographical location of the vehicle using GNSS; Sending the vehicle's geographic location, navigation request, vehicle length, and vehicle width via the vehicle communication system to a server controller; and Receiving the navigation route from the server controller using the vehicle communication system, the server controller being programmed to: Determining a multitude of possible routes, at least partially, based on the geographical location of the vehicle, with each of the multitude of possible routes fulfilling the navigation requirement; Determining a route lane comfort score for each of the multitude of possible routes; and Selecting the navigation route from the multitude of possible routes, at least partially based on the route lane comfort value for each of the multitude of possible routes, wherein the server controller is further programmed to determine the route lane comfort value for each of the multitude of possible routes: Retrieving the lane width and lane curve radius for each of a multitude of points along the multitude of possible routes from a database, the database being in electrical communication with the server controller; Determining a point-lane comfort score for each of the multitude of points along each of the multitude of possible routes, at least partially based on the lane width and lane curve radius for each of the multitude of points, as well as the vehicle length and vehicle width; and Determining the route lane comfort score for each of the multitude of possible routes by summing the point lane comfort score for each of the multitude of points along each of the multitude of possible routes.

The application relates to a vehicle signal switching method and device, a regional controller and a vehicle communication system. The method comprises the following steps: in the case that an original vehicle signal meets a signal switching condition of the original vehicle signal, acquiring a signal switching type of the original vehicle signal from a pre-set signal switching configuration table; in the case that the signal switching type is a first switching type, acquiring a candidate redundant signal corresponding to the original vehicle signal and a signal switching priority of the candidate redundant signal from the signal switching configuration table; and acquiring a target redundant signal from the candidate redundant signal according to the signal switching priority, and switching a signal value of the original vehicle signal into a signal value of the target redundant signal. The method can be used for differentiating and configuring the signal switching of different vehicle signals, so that the accuracy of the vehicle signal switching is improved.

A system and method for traffic signal violation risk assessment for a vehicle. The system includes a sensor such as a front camera module (FCM) configured to capture an image in a field of view forward the vehicle; a vehicle communications system configured for at least one of vehicle-to-infrastructure (V2I) communications and telematic communications with an infrastructure unit, wherein the infrastructure unit is capable of providing intersection information; and a traffic signal violation risk assessment (TSVR) module in communication with the FCM and the vehicle communications system. The TSVR module analyzes the captured image to determine an intersection, a traffic light at the intersection, and a traffic light current state (TLCS); collect intersection information from the infrastructure unit, and determine a risk of traffic signal violation based on the information and implement a physical action to mitigate the risk.