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1461 results about "Connected vehicle" patented technology

Connected Vehicles. The term connected vehicles refers to applications, services, and technologies that connect a vehicle to its surroundings. A connected vehicle includes the different communication devices (embedded or portable) present in the vehicle, that enable in-car connectivity with other devices present in the vehicle and/or enable...

System and Methods for Adaptive Edge-Cloud Processing with Dynamic Task Distribution and Migration

A system and method for adaptive edge-cloud data processing dynamically distributes computational tasks between edge devices and cloud infrastructure in response to changing conditions. The system continuously monitors resource availability, network parameters, and workload characteristics while predicting future conditions using hierarchical forecasting models. A multi-objective optimization approach determines optimal task distribution, balancing processing latency, energy consumption, bandwidth utilization, and result quality. The system implements a partitionable processing pipeline that enables seamless task migration through state synchronization protocols and checkpoint mechanisms. During migration, the system preserves processing continuity by establishing dependencies, creating execution checkpoints, and verifying successful state transfer. Performance metrics may be continuously collected and analyzed to improve future decision-making. The system maintains operational resilience during connectivity disruptions through local decision-making capabilities and eventual consistency protocols, making it suitable for diverse applications including industrial IoT, connected vehicles, healthcare wearables, and smart city infrastructure.
Owner:ATOMBEAM TECH INC

Vehicle ad hoc network based on intelligent network connection vehicle WiFi and V2V interaction method

The invention relates to the technical field of wireless communication networks, in particular to a vehicle ad hoc network based on intelligent networked vehicle WiFi and a V2V interaction method, a vehicle motion state and network load data are acquired through a vehicle-mounted sensor, AP / STA modes are dynamically switched by combining a deep Q network (DQN) model and an epsilon-greedy strategy, and an adaptive topological structure is constructed. And expanding OLSR protocol message embedding path delay fields, calculating and optimizing multi-hop routing selection in combination with pheromone gradient, and realizing message priority classification and differential privacy protection through a federated learning model. And dynamically adjusting an AP / STA proportion threshold based on a particle swarm algorithm, and triggering node role reconfiguration to balance network load. According to the method, the existing WiFi hardware is reused, the deployment cost is reduced, cross-layer routing optimization and a distributed decision mechanism are combined, and the network real-time performance, the expansibility and the group cooperation capability in a dynamic scene are improved.
Owner:BEIJING YUNCHI FUTURE TECH CO LTD

Federal learning optimization system and method for intelligent network connection automobile scene

The invention belongs to the technical field of Internet of Vehicles, and particularly provides a federated learning optimization system and method for an intelligent network connection automobile scene, which improves an asynchronous federated learning framework, divides a plurality of vehicles into different clusters due to the isomerism of computing power, and adopts a cloud-edge-end three-layer federated learning framework, so as to realize the optimization of the federated learning of the vehicles. An edge server is deployed on a roadside unit RSU, received model parameters are subjected to pseudo-asynchronous aggregation in a self-adaptive dynamic time window, the received model parameters are subjected to real-time aggregation at a cloud end, the system model training efficiency and quality are improved, meanwhile, the data security is ensured, the user privacy is protected, and the user experience is improved. And the efficiency of the federated learning optimization system and the quality of the global model in the intelligent network connection automobile scene are ensured.
Owner:EDGE INTELLIGENCE RES INST NANJING CO LTD

Dynamic connection management

A system (1100) and method (1200) for connecting a mobile device to a CVD of a known vehicle with an unknown connection protocol. The system (1100) comprises a mobile device (110) for a vehicle (1000), a connected vehicle device (135) and a server (11). The mobile device (110) is configured to select between an inquiry to the server (11) for a connection protocol, availability based on a detection of a broadcast SSID, or based on a locally determined best connection procedure.
Owner:PLATFORM SCIENCE INC

Adaptive image compression for connected vehicles

In some examples, a system may determine a plurality of candidate routes to a destination location for a vehicle, and may segment each candidate route into multiple road segments. The system determines one or more compression methods to be utilized for compressing images captured by one or more vehicle cameras on board the vehicle while the vehicle is traversing at least one road segment of at least one route of the plurality of candidate routes. The system selects, for the vehicle, a first route based at least on the one or more compression methods. The system sends, to the vehicle, information related to the first route and the one or more compression methods. The vehicle may utilize the one or more compression methods for compressing the images captured by the one or more vehicle cameras during traversal of the first route.
Owner:HITACHI LTD

Intelligent network connection automobile anomaly detection system and method based on big data analysis

The invention provides an intelligent network connection automobile abnormity detection system and method based on big data analysis, and the method comprises the steps: obtaining metadata in the communication between a vehicle CAN bus and a cloud, the metadata comprising a protocol type and a load feature, carrying out the analysis of the load feature according to the protocol type, and extracting a key field of a data package; constructing a load feature matrix according to the key field, and normalizing the heterogeneous data to obtain a feature data set in a uniform format; a mahalanobis distance algorithm is adopted to calculate the distance between each data point in the feature data set and a preset base line, and if the distance exceeds a preset threshold value, abnormal traffic is judged, and an abnormal traffic mark list is generated; fingerprint features of a transmission link are obtained from the 5G network slices, the fingerprint features of different slices are subjected to standardization processing, and a cross-slice consistent fingerprint feature data set is generated; therefore, security threats in a complex Internet of Vehicles environment can be effectively handled, and the accuracy and reliability of abnormal traffic detection are improved.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Adaptive vehicle and traffic management considering compliance rates

A system and method is provided for implementing computer-controlled systems (e.g., vehicle safety and traffic management systems) based on compliance rates. A vehicle system and method are provided that estimate compliance rates in real-time, and have the capability to dynamically modify the computer-controlled instructions generated by a computer-controlled system (e.g., vehicle safety and traffic management systems) in a manner that improves compliance, and in-turn improves overall system performance. For example, a vehicle includes sensors receiving data from a plurality of communicative connected vehicles. The received data is associated with a real-time monitoring of traffic conditions for the vehicle. The vehicle also includes a controller device estimating a compliance rate in real-time based on the received data. The controller device of the vehicle also controls an automated operation of the vehicle using a modified computer-controlled instruction based on the estimated compliance rate.
Owner:TOYOTA JIDOSHA KK +1

Vehicle systems and control logic for automating manufacturing mode for connected vehicles

Presented are automated vehicle systems for provisioning manufacturing mode (MM) for connected vehicles, methods for making / using such systems, and wireless-enabled vehicles with MM functionality. A method of controlling operation of a vehicle includes receiving an MM-install signal indicating the vehicle has reached a predefined assembly line location during vehicle assembly. When at this predefined location, the vehicle is installed with an MM operating mode, which contains a predefined spatial limitation, a preset MM start trigger, and an anti-theft protocol. A controller of the vehicle activates the MM operating mode responsive to detecting the vehicle experiencing the preset MM start trigger while within the predefined spatial limitation. With the MM operating mode active, the vehicle controller uses the anti-theft protocol to determine if the vehicle experiences a predefined theft trigger; if so, the controller commands a resident anti-theft system to automate a remediating action to thwart theft of the vehicle.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Network connection vehicle formation control method based on distributed MPC

The invention discloses a network connection vehicle formation control method based on a distributed MPC, and belongs to the technical field of intelligent driving, and the method comprises the steps: constructing a vehicle formation longitudinal dynamics model; constructing a formation communication topology model; designing a following distance strategy; an MPC controller is designed according to the formation communication topology model and the following distance strategy; and designing a multi-component cost function, performing multiple iterative optimization based on MPC controller characteristics, and adjusting a control strategy to realize cooperative adaptive cruise control. According to the network connection vehicle formation control method based on the distributed MPC, the problems that in the prior art, real-time response is insufficient, cooperation among vehicles is insufficient, and system robustness is poor are solved.
Owner:XIAN ZHIXING CHANGJIA NETWORK TECH CO LTD

Systems and methods for increasing security of connected vehicles

Examples are disclosed for systems and methods for monitoring and filtering data transmitted to a vehicle connected to a wireless network. In one embodiment, a method for an edge node of a wireless network comprises routing traffic of the wireless network to a vehicle connected to the wireless network through the edge node; examining the traffic for potentially malicious content at the edge node; transmitting data packets of the traffic without potentially malicious content to the vehicle; and not transmitting data packets of the traffic with potentially malicious content to the vehicle.
Owner:HARMAN INT IND INC

Safety protection method and device for intelligent networked automobile

The invention provides a safety protection method and device for an intelligent networked automobile, and the method comprises the steps: detecting a vehicle control abnormal instruction in a communication process between a target vehicle and a cloud end based on a vehicle control behavior characterization model and an abnormal behavior classification learning model; and based on the malicious traffic identification model, identifying hidden malignant traffic in the process of communication between the target vehicle and the cloud, through a deep reinforcement learning confrontation defense mode, a decision control model is trained according to a vehicle control abnormal instruction and hidden malignant flow, and the decision control model is used for carrying out safety protection on the intelligent network connection vehicle. Therefore, high-precision and high-reliability detection of attacks such as vehicle control instruction tampering attacks and strongly hidden malicious traffic under the intelligent network connection vehicle-cloud cooperation scene is realized, the attack concealment and attack efficiency are effectively improved, the robustness and generalization of the model are enhanced, and the method is suitable for the intelligent network connection vehicle-cloud cooperation scene. And the communication safety, the data safety and the driving safety of the intelligent networked automobile ecological system are improved.
Owner:WUHAN HONGXU INFORMATION TECH

Intelligent networked vehicle remote control and monitoring method

The invention relates to the technical field of intelligent networked vehicles, in particular to an intelligent networked vehicle remote control and monitoring method. The method comprises the following steps: acquiring real-time running state information and roadside sensing data of a vehicle, and generating a remote takeover request; receiving a control instruction sent by the cloud control platform, and feeding back a control execution result; calculating instruction interaction delay and network transmission delay; the stability of the communication environment is evaluated by combining the two, and the vehicle driving mode is dynamically adjusted. Furthermore, time delay is calculated according to heartbeat signals and control instruction timestamps in the communication link, the stability index of the communication environment is evaluated, and the safe driving speed is adjusted according to the stability. And when the communication environment stability is lower than the threshold value or the instruction interaction delay exceeds the threshold value, an emergency stop mechanism is triggered. According to the method, the safety and the stability of the intelligent network connection vehicle under remote control can be improved.
Owner:TIANJIN ZHONGQI HENGTAI EDUCATION TECH CO LTD

Adaptive classification of electric vehicle charging location using connected vehicle data

A method for providing an electric vehicle charging recommendation is disclosed. The method may include obtaining information associated with a plurality of charging events for a vehicle. The information may include a plurality of vehicle geolocations associated with the plurality of charging events. The method may further include generating a plurality of charging geolocation clusters from the plurality of vehicle geolocations. The method may additionally include determining a charging event occurrence frequency for each charging geolocation cluster. Further, the method may include classifying the charging geolocation clusters into a primary charging station location and routine charging station locations. Furthermore, the method may include defining a virtual polygon connecting the primary charging station location and the routine charging station locations, and transmitting the electric vehicle charging recommendation to a server based on the defined virtual polygon.
Owner:FORD GLOBAL TECH LLC

Intelligent network connection vehicle dynamic control method for unsteady state communication environment

The invention discloses an unsteady-state communication environment-oriented intelligent network connection vehicle dynamic control method, relates to the technical field of vehicle networking and intelligent network connection vehicle control, and aims to solve the problem of real-time control of an intelligent network connection vehicle team in an unsteady-state communication environment. The method specifically comprises the following steps: acquiring communication link data and vehicle state data in real time, accurately monitoring unsteady communication parameters such as communication transmission delay and packet loss rate, acquiring vehicle state data such as speed, acceleration and longitudinal position of each vehicle in a motorcade, analyzing communication stability in real time through a multi-dimensional communication environment evaluation index, and determining the state of the vehicle in the motorcade. And finally, according to unsteady state communication environment monitoring and vehicle safety risk assessment results, a dynamic control strategy is adopted to adjust a vehicle control mode, and it is ensured that a motorcade keeps efficient and stable operation in the unsteady state communication environment. By means of the innovative vehicle dynamic control method, the safety and the operation efficiency of the intelligent network connection vehicle team in the unsteady state communication environment are effectively improved.
Owner:SOUTHEAST UNIV

Internet of vehicles vehicle information interaction system based on YTS engine

The invention discloses an Internet of Vehicles vehicle information interaction system based on a YTS engine, and relates to the technical field of vehicle information interaction, a data acquisition module fuses multi-source sensing data, and an AI computing power optimization module adopts a dynamic computing power scheduling strategy; the 3D modeling and physical simulation module ensures the real-time performance of modeling based on an AI-driven 3D environment reconstruction and physical simulation technology; the cloud cooperative computing module processes multi-vehicle data in a distributed manner by using a cloud computing architecture of a YTS engine, optimizes a local model and improves the accuracy of an automatic driving decision; and the intelligent interaction module adaptively adjusts a modal man-machine interaction mode according to the dynamic change of the automatic driving decision, so that the driving experience is improved. The technical bottlenecks of information interaction delay, insufficient 3D modeling precision, poor decision stability and the like of the existing vehicle networking system in a high-speed dynamic environment are broken through; efficient energy consumption management, intelligent cloud optimization and accurate interaction are realized, and the safety and reliability of automatic driving are improved.
Owner:北京视游互动科技有限公司

Networked vehicle safety interaction test and evaluation system and method based on digital twinning

The invention provides a networked vehicle safety interaction test and evaluation system based on digital twinning. The system comprises a central control unit module; the digital twin modeling module is used for carrying out modeling on the mapped network connection vehicle, and the digital twin modeling module is in communication signal connection with the central control unit module; the network attack and defense simulation module is in communication connection with the central control unit module and is used for executing vehicle networking attack and defense scenes; and the virtual-real interaction device module is in communication signal connection with the central control unit module and is used for simulating the physical movement of the networked vehicle. According to the invention, the technical problem that part of network connection vehicle safety assessment methods need destructive influence on vehicle hardware on the physical level, so that subsequent continuous assessment is difficult can be solved.
Owner:CHONGQING VEHICLE TEST & RES INST CO LTD

A system for optimizing traffic signals in real time

A real-time traffic signal optimization system that includes: (a) a traffic data acquisition module that collects real-time traffic data from sensors, cameras, GPS and vehicle-to-infrastructure communication; b) a machine learning-based traffic prediction engine that analyses historical and real-time data to predict congestion patterns; c) an adaptive signal control unit that dynamically adjusts traffic light switching times based on real-time traffic flow and predictive insights; (d) an emergency and priority vehicle management system that overrides normal signal operation to give priority to emergency vehicles and public transport vehicles; (e) a central traffic monitoring and control dashboard for real-time monitoring, manual interventions and system configuration; and (f) a vehicle-to-infrastructure communication interface enabling data exchange between traffic signals and connected vehicles to improve driver awareness and traffic coordination.
Owner:SRIDHAR RAO SATHISH RAO BOCA RATON

Remote control simulation driving system based on digital physical twin

The invention relates to the technical field of automatic driving and the technical field of digital twinning, in particular to a remote control simulation driving system based on digital and physical twinning. Comprising a sensing layer, a twinborn layer and a decision execution layer, the sensing layer comprises automatic driving vehicle sensing based on an intelligent network connection vehicle and environment sensing based on a road side unit, and is used for collecting vehicle operation data and traffic environment data and using the collected data to construct a twin layer; according to the invention, a multi-mode sensor is used for collecting data, and a digital twin environment is remotely constructed, so that a safety officer can accurately recognize the environment where a vehicle is located; the real motion state of the vehicle is restored through remote simulation of the cockpit, physical twinning of vehicle motion is achieved, and the control precision of a safety officer is improved; by utilizing a simulated driving environment, the safety and comfort of remote takeover are ensured, accurate and efficient remote operation is realized, and finally the driving takeover level is improved.
Owner:ZHEJIANG UNIV

Intelligent networked automobile AEB system based on improved TTC model and control strategy thereof

The invention discloses an intelligent networked automobile AEB system based on an improved TTC model and a control strategy of the intelligent networked automobile AEB system. The control strategy comprises the following steps that S1, a data acquisition module acquires sensor data in real time and transmits the sensor data to a safe automobile distance judgment module; s2, calculating collision time Tttc by a safe vehicle distance judgment module; s3, calculating a dynamic safe distance Dego by a safe vehicle distance judgment module; s4, the safe vehicle distance judgment module calculates the braking distance which should be reserved in the vehicle driving process; s5, a safe vehicle distance judgment module calculates graded braking threshold values Ti, Tj and Ts; s6, a safe vehicle distance judgment module judges whether a collision risk exists or not according to the improved TTC trigger logic; s7, if the risk threshold is triggered, entering a grading early warning control module, and outputting corresponding strategies under different risks according to risk grades; the method solves the problems that a dynamic safety distance is lacked and a graded braking threshold value is statically set, and is suitable for more complex scenes with different vehicle speeds, road conditions and driving environments.
Owner:CHUZHOU VOCATIONAL & TECHN COLLEGE

Methods and systems for estimating a remaining useful life of an asset

Methods and systems are provided for monitoring a health of a vehicle component. In one embodiment, a method is provided, comprising dividing a population of vehicles of a connected vehicle population into a plurality of vehicle classes; for each vehicle class of the plurality of vehicle classes, training a class-specific model of the vehicle class to predict a health status variable of a vehicle component included in the vehicle class based on labelled data from historic databases and calibration data; and for each vehicle class of the plurality of vehicle classes, using a first Federated Learning strategy to request local model data from each vehicle of a plurality of vehicles of the vehicle class; receive the local model data from the plurality of vehicles; update the class-specific model based on the received local model data; and send updated parameters of the class-specific model to vehicles included in the vehicle class.
Owner:FORD GLOBAL TECH LLC

Method and system for estimating road adhesion coefficient of intelligent networked automobile based on V2V (Vehicle to Vehicle)

The invention discloses a V2V-based intelligent networked automobile road adhesion coefficient estimation method and system, and relates to the technical field of intelligent networked automobiles. The method comprises the steps that physical parameters and motion state information of a front vehicle are received based on V2V, an event triggering communication mechanism is adopted in the sending process of the physical parameters and the motion state information of the front vehicle, and meanwhile data packet loss is considered; constructing a three-degree-of-freedom vehicle dynamics model of the front vehicle; and establishing a road adhesion coefficient estimator based on an event triggering strong tracking unscented Kalman filter considering packet loss. According to the method, the front vehicle is regarded as a sensor of the vehicle, the parameters and motion information of the front vehicle are obtained through vehicle-mounted wireless communication, the problems of data packet loss and limited communication bandwidth during communication are considered, the robustness of an estimator to model parameter perturbation is improved through a strong tracking algorithm, and the estimation accuracy is improved. And finally, establishing a road adhesion coefficient estimator based on an event triggering strong tracking unscented Kalman filter considering packet loss, and ensuring that the road adhesion coefficient is accurately obtained in advance.
Owner:SOUTHEAST UNIV

Intelligent network connection vehicle driving risk assessment method and visualization system based on multi-source data fusion

The invention relates to the technical field of intelligent traffic, in particular to an intelligent network connection vehicle driving risk assessment method and a visualization system based on multi-source data fusion. According to the method, multi-source data such as vehicle perception, communication and maps are fused, an artificial potential field theory is combined, a gravitational force risk potential field function, a repulsive force risk potential field function and a road boundary repulsive force potential field function are constructed respectively, and a unified total risk potential field TPF is formed by a gravitational force risk potential field, a repulsive force risk potential field and a road boundary repulsive force potential field; according to the method, the driving risk of the intelligent networked vehicle is obtained, risk grade division and real-time visual display are realized through clustering analysis, the accuracy and dynamic response capability of risk assessment are improved, the method is suitable for safety decision support of advanced driving assistance and automatic driving systems, real-time assessment of the driving risk can be realized more accurately and efficiently, and the risk assessment efficiency is improved. And the risk assessment precision and the dynamic response capability are improved.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Perception practical training platform and method based on intelligent edge calculation and heterogeneous data fusion

The invention discloses a perception practical training platform and method based on intelligent edge calculation and heterogeneous data fusion. The platform comprises a sensor module, an interaction and display module, a calculation module, a movable base and a supporting rack. The sensing practical training platform adopts a modular design and a standardized interface; the sensor module, the interaction and display module and the calculation module can be conveniently disassembled, assembled and replaced, and convenient indoor and outdoor movement can be realized through a movable base with a stopper; through a data fusion technology of a sensor module, in combination with a GPU hardware acceleration strategy and a time synchronization technology, targets around the practical training platform are accurately detected in real time based on multi-source data, and a sensing result of the intelligent networked automobile to the targets in the surrounding environment is displayed. According to the invention, edge calculation provides a more convenient extensible path, and powerful support is provided for intelligent traffic through data acquisition expansion calculation and communication capability of road end data acquisition equipment and cloud end data acquisition.
Owner:NANTONG VOCATIONAL COLLEGE +1

Multi-source fusion and V2X network-connected vehicle high-precision positioning system and method

The invention relates to the technical field of farm irrigation, in particular to a multi-source fusion and V2X networked vehicle high-precision positioning system and method, and the system comprises a vehicle-mounted terminal which integrates the following modules: a multi-source sensor group which comprises a laser radar (LiDAR), a binocular vision camera (BVC), a global positioning system (GPS), an inertial measurement unit (IMU) and a wheel speed sensor; the V2X communication module supports vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication and is used for receiving positioning data of an adjacent vehicle and roadside equipment; the system effectively solves the problems that in the prior art, a traditional RTK technology depends on a ground base station, a positioning blind area exists in a signal shielding area, data conflicts are easily caused by independent work of multiple sensors, RTK needs to be covered and supported by dense base stations, and the positioning accuracy is poor. And high-precision positioning cannot be realized in signal shielding scenes such as remote areas, tunnels and mountainous areas, so that an automatic driving function fails.
Owner:ZHENGZHOU HONGMEI COLOR PRINTING PACKAGING CO LTD

Decision-making method for intelligent predictive driving of networked automobile based on machine learning

The invention relates to the technical field of predictive driving, in particular to a decision-making method for intelligent predictive driving of a networked automobile based on machine learning. Comprising the following steps: acquiring and preprocessing multi-source data of a networked automobile, real-time data of the Internet of Vehicles and historical driving data, and performing feature extraction on the preprocessed multi-source data of the networked automobile and the preprocessed real-time data of the Internet of Vehicles to obtain preliminary feature data; introducing a multi-layer recursive feature fusion algorithm to perform fusion processing on the preliminary feature data to obtain final fused data; and constructing and training a predictive driving model by using a networked automobile intelligent predictive driving prediction algorithm based on deep cross adaptability, and performing prediction processing on the finally fused data by using the predictive driving model to obtain a driving prediction result and generate a driving decision. The technical problems that processing of multi-source heterogeneous data is not accurate enough in intelligent predictive driving of the networked automobile, the predictive adaptability of driving decisions is poor, and the accuracy rate is low are solved.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY +2

Analysis and prioritization of vulnerabilities of connected vehicles

An automotive cybersecurity platform receives vulnerability alerts that may impact a connected vehicle. Software components of the connected vehicle are identified and listed. Software components that are affected by a vulnerability are identified using information from a vulnerability alert. An overall risk score of the vulnerability is determined based at least on whether the vulnerability can be triggered, how the vulnerability affects the connected vehicle when the vulnerability is triggered, and an intrinsic risk posed by the vulnerability. Remediation of the vulnerability is prioritized based at least on the overall risk score of the vulnerability.
Owner:VICONE CORP

Cloud-Based Lane Level Traffic Situation Awareness with Connected Vehicle on-board Sensor Data

A system receives, from a plurality of connected vehicles, respective GPS data indicating an absolute location of a respective connected vehicle and on-board sensor data indicating locations of nearby vehicles and objects relative to the respective connected vehicle. The system processes the data to create a shared-world model that includes at least the locations of the plurality of connected vehicles and the nearby vehicles and objects. Some implementations of the shared-world model further include the speeds and trajectories of each of the plurality of connected vehicles and the nearby vehicles and objects. The system transmits a representation of the shared-world model to one or more of the plurality of connected vehicles, which may utilize the shared-world model to provide advanced warnings for drivers or to provide improved path planning for autonomous vehicles. Some representations of the shared-world model include lane-level traffic functions such as traffic density, traffic speed, and traffic throughput.
Owner:NISSAN NORTH AMERICA INC

Lightweight authentication system for vehicle kana of Internet of Vehicles

The invention relates to the technical field of Internet of Vehicles information authentication, in particular to a lightweight authentication system for an Internet of Vehicles vehicle pseudonym. The system obtains vehicle information and generates a pseudonym through an intermediate unit, then generates a corresponding secret key based on the pseudonym through a secret key generation unit, obtains the secret key through a road side unit and decrypts the secret key to obtain the pseudonym corresponding to a vehicle, and counts the authentication duration used by the road side unit to verify the pseudonym in a preset period through a timing unit. Then the analysis unit obtains a plurality of authentication durations, judges whether the operation of the authentication system is qualified based on the authentication durations, and generates a corresponding instruction based on the reason of disqualification, and the processing unit determines the enabling ratio of the verification equipment and the channel number of the verification equipment or optimizes the key generation process of the key generation unit based on the instruction; therefore, the authentication time is shortened, the operation efficiency of the authentication system is improved, the traffic operation efficiency is improved, and the traffic flow is optimized.
Owner:BEIJING UNIV OF TECH

Digital twin auxiliary intelligent network connection vehicle carbon emission prediction system and method

The invention relates to the technical field of vehicle carbon emission prediction, and particularly provides a digital twinning-assisted intelligent network-connected vehicle carbon emission prediction system and method, which combines digital twinning and deep learning, applies the combined digital twinning and deep learning to a carbon emission prediction link, and simulates various driving behaviors to obtain a carbon emission prediction result. And finally, giving an optimal carbon emission reduction mode based on the current driving state according to comparison, and feeding back the optimal carbon emission reduction mode to a user. Meanwhile, the whole prediction part can continuously compare a prediction result with an actual execution result to optimize the whole structure, so that the prediction accuracy and generalization are improved, and the user requirements are met.
Owner:EDGE INTELLIGENCE RES INST NANJING CO LTD

Intelligent network connection automobile track planning method based on combination of space-time corridor and real-time aggressiveness

The invention relates to the technical field of automatic driving, and discloses an intelligent network connection automobile track planning method based on combination of a space-time corridor and real-time aggressiveness. According to the intelligent networked vehicle trajectory planning method, driving behavior information of other vehicles and predicted trajectories thereof in a dynamic traffic environment are fused into trajectory planning of a main vehicle in real time by constructing a space-time corridor and considering the other vehicles and the predicted trajectories thereof. On this basis, a path is generated by applying a sampling-based seven-degree polynomial method, and a sequential quadratic programming optimization technology with soft constraints is combined to balance the safety, efficiency and comfort of the trajectory. In this way, aggressive changes in the traffic environment can be effectively predicted and dealt with, the track can be adjusted in real time, and the safety and comfort of the vehicle in the driving process are guaranteed, so that the complex urban traffic environment can be processed, it is guaranteed that the driving path of the main vehicle can be dynamically adjusted in different driving scenes, and the driving efficiency is improved. Therefore, changes of surrounding vehicles and obstacles can be handled, and more efficient and stable driving experience can be provided.
Owner:KUNMING UNIV OF SCI & TECH