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662 results about "Vehicle bus" patented technology
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A vehicle bus is a specialized internal communications network that interconnects components inside a vehicle (e.g., automobile, bus, train, industrial or agricultural vehicle, ship, or aircraft). Special requirements for vehicle control such as assurance of message delivery, of non-conflicting messages, of minimum time of delivery, of low cost, and of EMF noise resilience, as well as redundant routing and other characteristics mandate the use of less common networking protocols. Protocols include Controller Area Network (CAN), Local Interconnect Network (LIN) and others. Conventional computer networking technologies (such as Ethernet and TCP/IP) are rarely used, except in aircraft, where implementations of the ARINC 664 such as the Avionics Full-Duplex Switched Ethernet are used. Aircraft that use AFDX include the B787, the A400M and the A380.
Blind-spot warning system for an automotive vehicle
InactiveUS7161472B2Improve responseNeed lessDetection of traffic movementAnti-collision systemsResistive sensorsMobile vehicle
A host vehicle system includes a blind-spot warning system providing an indication to the host vehicle a target vehicle entering a blind-spot. The system includes a vehicle bus receiving various vehicle control signals, magneto-resistive sensors receiving proximity information as a function of magnetic field variations, a smart algorithm controller analyzing bus signals and sensor signals, and various vehicle collision systems such as passive restraints, optical light guides, and audible warnings operating in response to a threat from a target vehicle.
Owner:FORD GLOBAL TECH LLC
Methods and apparatuses to provide composite applications
InactiveUS20070011334A1Eliminate flickeringError detection/correctionMultiple digital computer combinationsData streamComposite application
Methods and apparatuses to enable the development, deployment and update of composite applications on mobile devices. In one embodiment, a method processor in a mobile device may include a workflow engine and a cache manager which looks ahead of the current execution of a workflow to preload modules. The method processor may present modal user interfaces in a non-modal way to eliminate flicker, and use a logger to stamp the workflow related data with real time measurements, such as time, location, and vehicle bus information. The logger may capture screen images and global data of the workflow during the execution. The log data stream may be collected and sent from the mobile device in real time, or in a batch mode, for monitoring, debugging, diagnosing or tuning the execution of a workflow, for providing hot update, help and guidance against deviation during the execution, and for other features.
Owner:APACHETA CORP
Device for detection and prevention of an attack on a vehicle
A new device for detection and prevention of an attack on a vehicle via its communication channels, having: an input-unit configured to collect real-time and / or offline data from various sources such as sensors, network based services, navigation applications, the vehicles electronic control units, the vehicle's bus-networks, the vehicle's subsystems, and on board diagnostics; a database, for storing the data; a detection-unit in communication with the input-unit; and an action-unit, in communication with the detection unit, configured for sending an alert via the communication channels and / or prevent the attack, by breaking or changing the attacked communication channels. The detection-unit is configured to simultaneously monitor the content, the meta-data and the physical-data of the data and detect the attack.
Owner:TOWER SEC
In-vehicle wireless local area network
InactiveUS6876642B1Eliminates and reduces amountElectric devicesNetwork topologiesData connectionCommunications system
A wireless local area network communication system for a vehicle to provide a voice and / or data connection from a wireless wide area network to a wireless local area network and on to a vehicle wired bus is disclosed. The communication system includes a wireless electronic communication device disposed in or in proximity to the vehicle for communication with the wireless wide area network, a wireless local area network unit disposed in the vehicle in such a manner as to communicate with the wireless electronic communication device and with a wired vehicle bus disposed within the vehicle, and a plurality of electronic devices disposed in or in proximity to the vehicle and in communication with the local area network unit or the wireless electronic communication device.
Owner:SAMSUNG ELECTRONICS CO LTD
Autonomous vehicle maintenance and repair system
A system and method for providing autonomous and remote vehicle maintenance and repair. The system employs an on-board diagnosis and prognosis module that monitors one or more vehicle buses to identify trouble codes and other information indicating a vehicle problem. The on-board module causes a telematic device on the vehicle to broadcast a message including a problem code that identifies the problem the vehicle is having. A remote repair center may receive the message and may identify a software upgrade patch associated with the problem that can be transmitted to the vehicle to upgrade its software to correct the problem. Also, the message may be received by another vehicle that is part of a broadcast network that has previously received the software upgrade patch to fix a problem on that vehicle, where the receiving vehicle may transmit the software upgrade patch to the vehicle having the problem.
Owner:GM GLOBAL TECH OPERATIONS LLC
Autonomous vehicle maintenance and repair system
A system and method for providing autonomous and remote vehicle maintenance and repair. The system employs an on-board diagnosis and prognosis module that monitors one or more vehicle buses to identify trouble codes and other information indicating a vehicle problem. The on-board module causes a telematic device on the vehicle to broadcast a message including a problem code that identifies the problem the vehicle is having. A remote repair center may receive the message and may identify a software upgrade patch associated with the problem that can be transmitted to the vehicle to upgrade its software to correct the problem. Also, the message may be received by another vehicle that is part of a broadcast network that has previously received the software upgrade patch to fix a problem on that vehicle, where the receiving vehicle may transmit the software upgrade patch to the vehicle having the problem.
Owner:GM GLOBAL TECH OPERATIONS LLC
Temporal anomaly detection on automotive networks
An anomaly detector for a Controller Area Network (CAN) bus performs state space classification on a per-message basis of messages on the CAN bus to label messages as normal or anomalous, and performs temporal pattern analysis as a function of time to label unexpected temporal patterns as anomalous. The anomaly detector issues an alert if an alert criterion is met that is based on the outputs of the state space classification and the temporal pattern analysis. The temporal pattern analysis may compare statistics of messages having analyzed arbitration IDs with statistics for messages having those analyzed arbitration IDs in a training dataset of CAN bus messages, and a temporal pattern is anomalous if there is a statistically significant deviation from the training dataset. The anomaly detector may be implemented on a vehicle Electronic Control Unit (ECU) communicating via a vehicle CAN bus. The anomaly detector does not rely on an database of messages and their periodicity from manufacturers (dbc files) and in that sense is truly a zero knowledge detector.
Owner:BATTELLE MEMORIAL INST
Virtual Charge for Electric Vehicles
ActiveUS20120187916A1Easy to adjustBatteries circuit arrangementsElectric powerDriver/operatorBattery charge
The described method and system provides for dynamic adjustment of the lower charge threshold of an electrically-powered vehicle to allow a fuel-depleted vehicle also low on battery charge to continue to be operated. The vehicle's telematics unit monitors the fuel level and charge level via the vehicle bus or other vehicle resources to determine if the vehicle is running low on fuel and electric charge. If the telematics unit determines that the fuel is depleted and the charge level is approaching, meets or falls below the lower threshold, the telematics unit communicates the vehicle fuel status and vehicle position to a call center along with vehicle identification data. The call center determines the amount of charge required to reach one or more local fueling stations or other points of interests and propose destination recommendations to the driver. The driver may then select one of the recommendations, and the call center transmits a new lower charge threshold to the vehicle.
Owner:GM GLOBAL TECH OPERATIONS LLC +1
Handheld computer based system for collection, display and analysis of engine/vehicle data
InactiveUS20050090940A1Reduce the amount of processingVehicle testingRegistering/indicating working of vehiclesOperational systemData system
A novel and improved engine data system for collecting, displaying and analyzing engine / vehicle data is provided. The system have advantageously results in a more effective, convenient, portable and low cost method of monitoring and processing vehicle data. The vehicle data system includes a handheld computer containing operating system software adapted to operate the handheld computer in accordance with a data protocol different from a vehicle bus protocol and a handheld microprocessor for executing the operating system software. The system importantly includes an adapter for creating a data pathway between a vehicle bus connector and an external data port provided on the handheld computer which is physically incompatible with the engine bus connector. The adapter includes a data port connector for connection with the external data port, a bus compatible connector for connection with the engine bus connector, a battery power supply separate from the power supply of the handheld compuer and an adapter microprocessor powered by the battery power supply and connected via the data pathway with the bus compatible connector for protocol conversion of the data received from the engine bus. An engine data adapter system for creating a data pathway between the engine data bus and the handheld computer while determining the start and stop of messages received from the data bus and adding message identifiers to the engine data so as to minimize the required data processing by the handheld computer.
Owner:CUMMINS INC
Vehicle real-time information system based on the third-generation mobile communication
InactiveCN101621735AReal-time analysisEnable security posture assessmentInstruments for road network navigationWireless commuication servicesTime informationModem device
The invention relates to a vehicle comprehensive information system based on the third-generation (3G) mobile communication, comprising a server and a vehicle-loaded terminal communicating with each other via a 3G network. The vehicle-loaded terminal comprises a vehicle bus interface module, a 3G mobile communication modem module and an embedded-type control module, and the server comprises an information receiving module, an information storage module, a function module and an information issuing module. The vehicle bus interface module is accessed to an inside control bus of a vehicle through an OBD interface, obtains the vehicle running information and transmits the information to the embedded-type control module; the embedded-type control module obtains and processes the vehicle running information and communicates interactively with the server through the 3G mobile communication modem module connected with the embedded-type control module; the information reception module receives the information of the vehicle-loaded terminal transmitted by the 3G network; the information storage module stores the information of the information receiving module and the application information; the function module is used for realizing the application functions of vehicle positioning, map navigation, real-time path plan, theft prevention of vehicles and the like; and the information issuing module is used for transmitting information provided by the server to the vehicle-loaded terminal.
Owner:赵阳 +2
System for providing a reminder to remove a mobile electronic device from a vehicle
A vehicle system for determining that at least one mobile electronic device is generally stationary and is potentially forgotten is provided. The system includes a vehicle data bus and a control module. The vehicle data bus transmits a signal indicating at least one trigger event. The trigger event indicates a vehicle exit condition. The control module is in communication with the mobile electronic device and the vehicle bus. The control module is in communication with the mobile device through a data connection to receive information. The control module includes control logic for receiving the trigger signal from the vehicle data bus. The control module includes control logic for determining if the mobile electronic device has moved based on information received from the data connection. The control module includes control logic for determining if the mobile electronic device is generally stationary if the trigger signal is received.
Owner:GM GLOBAL TECH OPERATIONS LLC
System for passive entry and passive start using near field communication
ActiveUS20140058586A1Near-field transmissionDigital data processing detailsComputer moduleControl logic
A system for activating a vehicle to a key-on state by detecting a presence of a near field communication (“NFC”) tag is provided. The system includes a vehicle bus, a start button in communication with the vehicle bus, an NFC antenna, and a control module. The NFC antenna is positioned to selectively couple with the NFC tag if the NFC tag is within a predetermined distance from the NFC antenna. The control module is in communication with the NFC antenna and the start button. The control module includes control logic for determining if the determining if the NFC antenna is coupled with the NFC tag. The control module includes control logic for determining if the start button has received the input to activate the vehicle to the key-on state. The control module includes control logic for sending a signal through the vehicle bus to activate the vehicle.
Owner:GM GLOBAL TECH OPERATIONS LLC
System and method for managing wireless vehicular communications
ActiveUS7149206B2Eliminates at leastLow costVehicle testingRegistering/indicating working of vehiclesEngineeringVehicle bus
A system and method for managing wireless vehicular communications include a system and method for vehicle protocol conversion. The system and method for vehicle protocol conversion have the ability to receive messages through a vehicle bus connector according to a vehicle bus protocol, analyze the messages to determine whether they should be transmitted, and transmit the messages over a wireless link if they should be transmitted.
Owner:ENT SERVICES DEV CORP LP
Stereoscopic vision based emergency treatment device and method for running vehicles
ActiveCN102390370AReduce speedAcoustic signal devicesAutomatic initiationsDriver/operatorVision based
The invention relates to a stereoscopic vision based emergency treatment device and method for running vehicles, wherein the device comprises a binocular-vision image pick-up unit, an on-board bus interface, a central processing unit, a vehicle braking control system and an acousto-optic alarm circuit. The binocular-vision image pick-up unit is used for capturing an image of a road in front of a vehicle; the DSP (digital signal processor) based central processing unit is adopted for carrying out real-time quick calculation on a visual image so as to obtain a three-dimensional road scene, and compares the obtained three-dimensional road scene with a safe driving road model set up by a system so as to judge whether obstacles or dangers exist in the traveling direction of the vehicle; when adanger is found, the vehicle braking control system is started so as to reduce the speed of the vehicle and send an acousto-optic alarm to a driver; meanwhile, the central processing unit is connected with a vehicle sensor by an inter-vehicle bus so as to detect the state of the vehicle, and when the vehicle has mechanical or circuit faults, a braking system is started so as to reduce the speed of the vehicle and send an acousto-optic alarm. The device disclosed by the invention can be arranged on ordinary motor vehicles so as to avoid the occurrence of accidents or reduce the accident loss, thereby improving the driving safety performance.
Owner:HOHAI UNIV
Driving behavior warning method based on vehicle bus data
InactiveCN102874188AImprove driving safetyPedestrian/occupant safety arrangementElectric/fluid circuitReal-time dataData information
The invention relates to a driving behavior warning method based on vehicle bus data. The driving behavior warning method based on vehicle bus data is characterized by comprising an iOBD terminal and an iOBD monitoring platform, wherein the iOBD terminal provides the following data according to the driving state: sudden brake times (b), sudden acceleration times (a), sudden turning times (t), rotating speed (r), average speed (v) and driving distance (d); the iOBD terminal transmits the data information to the iOBD monitoring platform; the iOBD monitoring platform performs statistics and analysis on the driving behavior data of a user and determines the comprehensive driving behavior score of the user; and the iOBD monitoring platform transmits the comprehensive driving behavior score of the user to a mobile phone of the user to serve as the basis of judging advantages and disadvantages of long-term driving behavior, prompts according to the score and triggers warning according to the real-time data. By the driving behavior warning method based on vehicle bus data, the driving behavior score of the user is calculated according to the preset user driving behavior statistics analysis model. The driving behavior warning method based on vehicle bus data has the advantages that the advantages and the disadvantages of the driving behavior of the user can be judged; an analysis report is formed and transmitted to the user; and the driving safety of the user is greatly improved.
Owner:BEIJING CARSMART TECH
Security system and methods for identification of in-vehicle attack orginator
ActiveUS20180196941A1Particular environment based servicesInternal/peripheral component protectionIn vehicleComputer module
The present invention provides a security system, and methods useful for vehicle CAN bus communication mapping and attack originator identification, comprising: a CAN Bus Monitor, (CBM), configured to monitor the CAN bus communication comprising one or more frames, to and / or from at least one Electronic Control Unit, (ECU); a characterization module in communication with the CBM, configured to generate at least one characteristic for the monitored communication from each the ECU and at least one characteristic for each communication frame; (c) a comparator unit in communication with the characterization module, configured to compare one or more the characteristics of at least one frame against characteristics of each the ECU communication in order to detect at least one anomaly; and, (d) one or more Identification module in communication with the comparator, configured to identify at least one ECU originating an attack on the CAN bus.
Owner:TOWER SEC
Novel electric driving control system and method for vehicle air conditioner compressor
InactiveCN101051806AImprove operational efficiencySmooth startSingle motor speed/torque controlElectric machinesElectricityControl system
The system and method for controlling electrical motor with no position sensor and brushless are based on angle self-learned, and switching self-optimized optimized efficiency. The system is composed of power supply circuit, power drive circuit unit, DSP control circuit, detection circuit unit for rotor position, voltage detection unit, current detection unit, and temperature detection unit etc. The software part includes following modules: initialization module, external synchronization starting up module, module for switching external synchronization to self - synchronization, self adaptive raising speed module for self - synchronization, hardware module for computing signal of position, and module for optimizing operating efficiency. The disclosed driving controller makes motor with no position sensor and brushless start up smoothly and operate in high efficiency under large dynamic load range. Including CAN comm interface, the system guarantees reliable comm to bus of vehicle.
Owner:TONGJI UNIV
Wireless access to closed embedded networks
InactiveUS7046638B1Broaden their knowledgeVehicle testingRegistering/indicating working of vehiclesMobile vehicleArea network
A method and system is provided for a protocol translation device that may include two different protocols and an intermediate, network-independent protocol. In an embodiment, an emerging worldwide standard, Bluetooth, provides a wireless interface to the electronics in an automotive vehicle via the de-facto standard for vehicle buses, Controller Area Network (CAN). A remote application can connect to this interface via a Bluetooth host in the vehicle or in communication range of the vehicle.
Owner:ROBERT BOSCH GMBH
Device for accessing a vehicle control system via a wireless link
InactiveUS7502353B2Increase flexibilityEasy to changeElectric devicesRegistering/indicating working of vehiclesControl systemEngineering
A device for accessing a vehicle control system via a wireless link, a gateway control unit which is connected to at least one vehicle bus and to a wireless network being provided, and the gateway control unit being freely configurable via the wireless link.
Owner:ROBERT BOSCH GMBH
Traffic safety auxiliary control method and system thereof
The invention provides a traffic safety auxiliary control method and a traffic safety auxiliary system and belongs to the field of automobile safety. The invention can detect the safe distance between an automobile with the system and an automobile in the front in real time, timely prompt a driver by voice, and control the automobile to operate in an forced manner if necessary; and in overtaking, the invention can calculate the overtaking safe distance in real time, prompts the driver to carry out overtaking or not, and controls the automobile to operate in the forced manner if necessary, so that the vehicle safety is greatly ensured. The traffic safety auxiliary system consists of a signal acquisition unit, a signal amplification and shaping unit, a processor unit and an actuator unit; the traffic safety auxiliary system is communicated with an anti-locked braking system, an electronic steering column lock, an electronic power-assisted steering system and an automobile body control system through a vehicle bus.
Owner:HANGZHOU BRANCH ZHEJIANG GEELY AUTOMOBILE RES INST +2
Systems and methods of recording events onboard a vehicle
ActiveUS20050148327A1Registering/indicating working of vehiclesRadio/inductive link selection arrangementsMIL-STD-1553Telecommunications link
A system is provided that comprises a vehicle (e.g., aircraft) including a plurality of modules (e.g., line-replaceable units—LRU's) capable of communicating over a plurality of buses (e.g., Mil-Std-1553 buses). The system also includes an advanced wireless open data controller (AWOC) capable of receiving data output onto the buses of the vehicle during operation of the vehicle, such as during flight of an aircraft. The AWOC is also capable of comparing the output data to a database of known events of the modules. Then, when the output data matches a known event for at least one module, the AWOC is capable of identifying an event. The AWOC can package event data including the identified event. A data unit, also included within the system, is capable of transmitting the packaged event data external to the vehicle at least partially over a wireless communication link.
Owner:THE BOEING CO
Simulation test system and simulation test device of train network control software
ActiveCN102567205AReduce riskIncrease flexibilitySoftware testing/debuggingService developmentElectrical connection
The invention provides a simulation test system and a simulation test device of train network control software. The simulation test device comprises a man-machine interaction unit, a controlled plant creating unit, a vehicle-mounted electrical connection creating unit, a simulation interface creating unit and a simulation control unit, and the simulation test system of the train network control software comprises at least one group of pull-in control unit test systems; each pull-in control unit test system comprises the simulation test device and at least one set of network control system core equipment which comprises a central control unit, the central control unit is switched into a vehicle bus and a train bus, and the simulation test device is switched into the vehicle bus; and the central control unit is electrically connected with a hard wire of the simulation test device, and the simulation test devices in two or more than two pull-in control unit test systems are connected through an Ethernet. The simulation test system and the simulation test device provided by the invention can directly service development and test of the train network control system software, and can quickly construct an experimental model, shorten development cycle, and reduce economic cost.
Owner:CHINA RAILWAYS CORPORATION +2
System and Method for Managing Wireless Vehicular Communications
InactiveUS20070086482A1Eliminates at leastLow costRegistering/indicating working of vehiclesNetwork topologiesEngineeringVehicle bus
A system and method for managing wireless vehicular communications include a system and method for vehicle protocol conversion. The system and method for vehicle protocol conversion have the ability to receive messages through a vehicle bus connector according to a vehicle bus protocol, analyze the messages to determine whether they should be transmitted, and transmit the messages over a wireless link if they should be transmitted.
Owner:HEWLETT PACKARD DEV CO LP
Handheld computer based system for collection, display and analysis of engine/vehicle data
InactiveUS7191040B2Reduce the amount of processingVehicle testingComputer controlOperational systemHand held
Owner:CUMMINS INC
In-vehicle networking
A system and method for securing communication across an in-vehicle bus, includes establishing a connection between a gateway in a vehicle and the in-vehicle bus; generating a session key at the gateway within the vehicle; transmitting a public key certificate and ephemeral key to the gateway and an electronic control unit of the vehicle; generating a shared secret at the gateway and the electronic control unit, respectively; encrypting the session key with the shared secret at the gateway; receiving the encrypted session key through the in-vehicle bus at the electronic control unit; and decrypting the encrypted session key based on the shared secret generated at the electronic control unit.
Owner:MALIKIE INNOVATIONS LTD
Vehicle identification data processing method, device and system
The invention provides a vehicle identification data processing method. The method includes the steps of obtaining vehicle bus data through a vehicle bus, wherein the vehicle bus data include an engine identification code and further include at least one of vehicle bus configuration data, vehicle system configuration data, trip computer parameters, the vehicle bus type, the vehicle communication protocol category and vehicle delivery capacity; generating vehicle genetic data according to the combination of the vehicle bus data, uploading the vehicle genetic data to a data processing server, wherein the vehicle genetic data are used for vehicle identification. According to the vehicle identification data processing method, the vehicle genetic data uploaded to the data processing server have high uniqueness, vehicle identification can be achieved according to the vehicle genetic data so that different vehicles can be distinguished, and the method can be widely applied to various fields such as the traffic management field, the investigation field and the vehicle positioning field. The invention further provides a vehicle identification data processing device and system.
Owner:深圳驾图通信技术有限公司
Abnormity monitoring method and device for vehicle CAN bus and computer equipment
ActiveCN110191018AAutomate exception monitoringImprove anomaly monitoring efficiencyData switching networksTotal factory controlBusiness efficiencyMonitor equipment
The invention provides a abnormity monitoring method and device of a vehicle CAN bus, and a computer device, and the method comprises the steps: sending heartbeat messages to each target device according to a preset diagnosis protocol and each diagnosis bus identifier in a to-be-monitored device list after a fuzzy test is carried out at an interval of a preset number of times; receiving confirmation information corresponding to the heartbeat message fed back by each target device, and determining the current state of each target device according to the confirmation information; and comparing the current state of each target device with the state of each target device acquired last time, and determining whether the abnormity is monitored or not. The problem that whether the vehicle bus is abnormal or not is mainly judged manually, the cost is high, and the efficiency ratio is low, and abnormal monitoring cannot be automatically carried out in the prior art can be solved. Through comparing the current state of each target device with the state of each target device obtained last time after every other group of test cases in the fuzzy test process, whether the abnormity is monitored or not is determined, automatic abnormity monitoring of the bus is realized, and the bus abnormity monitoring efficiency is improved.
Owner:APOLLO INTELLIGENT CONNECTIVITY (BEIJING) TECH CO LTD
Programmable vehicle accessory features
InactiveUS20050085965A1Vehicle testingRegistering/indicating working of vehiclesUser devicePersonal computer
A programmable vehicle accessory service allows a user to configure vehicle accessories. The user enters configuration data at an application. The application may be located at a personal computer, laptop, mobile telephone, or other device. The configuration data is transmitted to a remotely located server or controller. The controller processes the configuration data and generates vehicle accessory parameters according to the configuration data. The controller transmits the parameters to a module located in the vehicle. The module converts the parameters to a proper vehicle bus communication format and adjusts vehicle accessories according to the parameters. Additionally, the controller may transmit the parameters to a user device such as a laptop, mobile telephone, or personal data assistant. The user uploads the parameters from the user device to the module.
Owner:DAIMLER CHRYSLER CORP
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