12 results about "Speed management" patented technology

A method for adaptive and predictive speed management of a motor vehicle, the vehicle traveling on a route determined by a navigator, comprises: detection (21) that the motor vehicle is approaching at least two successive intersections on the same side of the lane; determination (23) that following the route involves taking the intersection furthest from the motor vehicle; and detection (25) of the activation of a turn signal by the driver of the motor vehicle; then, if the nearest intersection to the vehicle is (27) less than a predetermined distance from the furthest intersection, adjustment (29) of the vehicle's speed to take the furthest intersection, otherwise adjustment (31) of the vehicle's speed to take the nearest intersection. Figure to be published with the abbreviation: Fig 2

The invention discloses an electric vehicle ordered charging system and method based on artificial intelligence, relates to the technical field of electric vehicle charging, and aims to solve the problems that non-subjective default judgment of an existing charging pile reservation system lacks credible verification and is prone to misjudgment. The method comprises the following steps: establishing an alliance chain evidence storage network containing nodes such as a high-speed management bureau and a navigation platform, and uploading original data with an identifier and generating a hash value by the nodes; when default is detected, multi-source data meeting time and space conditions are screened, after smart contract cross validation, an anti-fact causal reasoning model is input, and a causal graph is constructed to calculate a causal probability so as to judge a direct causal relationship; generating a credible report containing a Hash value and a verification process, storing an evidence on a chain, pushing the report, and optimizing a node data range and a model parameter according to user feedback; the system comprises six cooperation modules, and the judgment credibility and the high-speed service area energy complementing efficiency are improved.

The embodiment of the invention provides a vehicle overspeed judgment method and device based on an electronic map fence, and the method comprises the steps: obtaining the positioning data of a vehicle, and the positioning data comprises the time, the longitude, the latitude, the vehicle speed and a vehicle identifier; judging whether the vehicle enters a speed limit area based on the positioning data; wherein the number of the speed limiting areas is one or more than one, and each speed limiting area is associated with one or more than one speed limiting vehicle and the speed limiting value; when the vehicle enters the speed limiting area, monitoring the speed of the vehicle; comparing the vehicle speed with the speed limit value, and judging whether the vehicle is overspeed or not; and generating an overspeed alarm under the condition that the overspeed is judged. The system compares the current speed of the vehicle with an applicable speed limit value, and supports multi-stage overspeed judgment logic, so that more refined and scenarized speed management and dynamic alarm control are realized.

A computer system (500) comprising processing circuitry (502) configured to manage travel speeds at a site (1) supporting operation of at least a first autonomous heavy-duty vehicle (2). The processing circuitry is further configured to determine slippage data indicative of wheel slippage between ground and at least a first wheel (3) of the vehicle traveling in a region of the site; obtain site-related data indicative of travel speed-affecting site conditions; derive, based on the site-related data, a wheel slippage reference value desired for the vehicle in said region; deduce, based on the wheel slippage reference value, a travel speed reference value desired for the vehicle in said region, which travel speed reference value reflects a travel speed corresponding to the wheel slippage reference value; and, when the determined wheel slippage deviates from the wheel slippage reference value, provide travel speed instruction data instructing the vehicle to in said region adapt travel speed to the travel speed reference value.

The embodiment of the invention provides a parallel driving operation area dynamic speed management method and system, computer equipment and a storage medium, the method is applied to the parallel driving operation area dynamic speed management system, and the system comprises a cloud layer, an edge layer and an end side layer. The method comprises the following steps: completing circling and filing examination and approval of a speed limit area in a cloud layer, and generating a speed limit block; legality verification and distribution of the speed limit block are completed in a first preset time at the edge layer; and receiving the speed limit block at an end side layer, completing speed limit switching within a second preset time, reporting an execution evidence packet, managing the parallel driving dynamic speed based on a three-level speed limit chain of a cloud layer, an edge layer and the end side layer, and realizing minute-level configuration, effectiveness and audit closed loop of speed limit in an operation area.

The invention discloses an expressway low-speed governance method and system, and belongs to the technical field of traffic safety management and control. The system comprises a data acquisition module for acquiring license plates, real-time average speed of a road, traffic flow data, road speed limit information and real-time speed of vehicles on an expressway, and recording the speed, timestamps and position information of the vehicles in real time; the analysis and decision module is used for comparing the real-time speed of the vehicle, the specified lowest speed limit of the road and the average speed of the current road; identifying low-speed vehicles, recording the low-speed vehicles in a suspicious vehicle cache table, and performing continuous tracking and behavior analysis; an execution and feedback module; an LED display screen is arranged at the position 100-500 m in front of the speed measuring point of the low-speed vehicle, and guidance information is issued according to the type of the vehicle and the lane where the vehicle is located: the truck is reminded to run according to the specified lane; and for small vehicles occupying the fast lane, reminding the small vehicles of increasing the speed to 100 kilometers per hour or above or driving the small vehicles into the slow lane on the right side.

The application discloses a control method for enhancing the formation strength of a CAV vehicle team in a mixed traffic flow under vehicle-road cooperation, and the method comprises the following steps: determining a vehicle to be formed and a target team according to the method; obtaining driving information and road environment information of all vehicles within the communication radius range of the target team and the vehicle to be formed through the interaction between a roadside unit and a vehicle communication unit, and exchanging the obtained information through inter-vehicle communication; controlling the vehicle to be formed or the team to drive to a formation area according to the obtained information, and realizing speed cooperation through a speed management module, so that the rear vehicle of the target team slows down to expand a gap, and the vehicle to be formed or the team is sequentially controlled to be formed into the target team from the rear when the widened gap is sufficient to meet the time and space conditions for the safe formation of the vehicle to be formed. The control method can reduce the interference of surrounding other vehicles on the CAV vehicle or small CAV team in the mixed traffic flow, safely and efficiently form the CAV team, enhance the formation strength of the CAV team, and improve the road traffic capacity.

The invention discloses an intelligent high-speed comprehensive management and control method and management and control platform based on intelligent agent dynamic division, and relates to the technical field of high-speed management and control. Comprising the following steps: S1, acquiring data; s2, intelligent agent division; s3, generating a strategy; s4, carrying out strategy matching; and S5, executing the instruction. According to the invention, the problems of information isolated island, response lag, single management and control means and the like in the existing expressway management and control are solved, and the operation efficiency, the safety level and the service capability of the expressway are remarkably improved.

The invention provides a high-speed ETC (Electronic Toll Collection) door frame vehicle speed and flow coupling characteristic abnormity judgment method, and belongs to the technical field of high-speed management. Comprising the steps of data acquisition and preprocessing, two-dimensional index calculation, congestion and congestion level judgment, comprehensive level evaluation, multi-mode anomaly judgment and early warning information generation and output. According to the method, the comprehensive level can be obtained according to the congestion level and the congestion level, judgment is carried out not only depending on the flow or speed single dimension, the judgment accuracy is improved, and by setting the weather coefficient in the special scene such as the rain and snow weather, the situation that the safe low speed is misjudged as congestion in the special scene such as the rain and snow weather can be avoided; or the high flow of the unblocked road section is misjudged to be crowded, false alarm and missing alarm are prevented, and the authenticity can be improved.

The invention discloses an intelligent monitoring and early warning management and control system for high-speed combined service linkage, and relates to the technical field of AI research. Comprising a data processing and early warning module and an information acquisition and interaction module, images, positions and equipment motion state information are acquired in real time through mobile terminal equipment, bidirectional information interaction with background management equipment is realized, and timeliness and comprehensiveness of information transmission are guaranteed; the data processing and early warning module can accurately identify abnormal conditions of highway conditions, on-duty force distribution and equipment operation through multi-dimensional data fusion and abnormality analysis of positions, images and equipment states, and can also adjust weight coefficients according to actual requirements to realize graded early warning; the overall system comprehensively improves the management efficiency and the emergency response capability of highway joint service linkage, can timely find and deal with various problems, effectively guarantees the smoothness of a highway network and the travel safety, and promotes the intelligent and refined development of highway management.

The invention discloses an all-terrain vehicle and a vehicle speed management method thereof. The all-terrain vehicle comprises a vehicle door and a safety belt. The all-terrain vehicle further comprises a multimedia interaction module, a vehicle door detection module, a safety belt detection module and a control module and can be used for setting a driving threshold value of the all-terrain vehicle, and the control module can obtain a first vehicle speed threshold value set by the multimedia interaction module; when the safety belt is in an unfastened state, the control module can obtain a second vehicle speed threshold value; when the vehicle door is in an unclosed state, the control module can obtain a third vehicle speed threshold value; the control module can judge the size of the obtained first vehicle speed threshold value, the second vehicle speed threshold value and the third vehicle speed threshold value and set the threshold value with the minimum speed as the highest speed limit of the all-terrain vehicle. The vehicle speed of the all-terrain vehicle can be managed through setting, meanwhile, the maximum vehicle speed of the all-terrain vehicle during driving can be managed in combination with the safety state of the all-terrain vehicle, and the safety of the all-terrain vehicle is further improved.