46 results about "Bus lane" patented technology

Disclosed herein are methods, devices, and systems for detecting bus lane moving violations. One aspect of the disclosure concerns a method comprising capturing a video showing a vehicle located in a bus lane, inputting video frames from the video to an object detection deep learning model to detect the vehicle and bound the vehicle in a vehicle bounding polygon, determining a trajectory of the vehicle in an image space of the video frames, transforming the trajectory of the vehicle in the image space into a trajectory of the vehicle in a GPS space, inputting the trajectory of the vehicle in the GPS space to a vehicle movement classifier to yield a movement class prediction and a class confidence score, and evaluating the class confidence score against a predetermined threshold based on the movement class prediction to determine whether the vehicle was moving when located in the bus lane.

The invention discloses a dynamic estimation method and device for the carbon emission reduction effect of a bus lane and a medium, and the method comprises the steps: estimating the mileage of a bus line running on the bus lane and the mileage of a bus line running on a common lane; the types of the bus routes are divided, so that the bus routes are divided into a first bus route mainly running on the bus lane and a second bus route mainly running on the common lane; and according to the types of the bus lines, taking bus station level, bus link level and bus line level influence factors as covariables, taking each bus line as a sample, and adopting a dynamic emission reduction effect estimation model to estimate a condition emission reduction index and an average emission reduction index of the bus lane so as to quantify global and local emission reduction effects of carbon emission factors of unit passengers. In combination with cross-city bus data, a regional hierarchy random effect is introduced, and a multi-level dynamic emission reduction effect estimation model is constructed to reveal the difference of the emission reduction effects of bus lanes between different cities.

The invention belongs to the field of intelligent transportation, and discloses a bus lane sharing control method based on the optimal bus speed, which comprises the following steps: S1, bus position monitoring and planning speed acquisition; s2, predicting predicted arrival time and stop time; s3, calculating the time for closing the bus lane; s4, calculating the time of reopening the bus lane; and S5, sending an instruction to the lane signal lamp. According to the method, conflicts between the buses and the social vehicles are reduced through reasonable space-time resource dynamic allocation, so that the influence on the passing efficiency of the social vehicles is reduced while the priority passing of the buses is ensured. According to the method, the passing efficiency and the punctuality rate of the bus can be improved, the reliability of a bus system is improved, the safety and smoothness of an urban traffic system can be ensured, energy consumption and tail gas emission are reduced, and meanwhile the riding experience and satisfaction degree of passengers are improved.

This invention provides a method for optimizing the shared use of dedicated bus lanes, relating to the field of transportation technology. The method includes: identifying congested road sections and obtaining vehicle speeds in each lane of the congested sections; comparing the congestion levels of dedicated bus lanes and regular lanes by calculating travel indices, and identifying routes where regular lanes are congested while dedicated bus lanes are unobstructed; establishing a multi-objective integer optimization model with the objectives of maximizing the number of shared vehicles available for reservation and minimizing overall road delays; solving for the maximum number of vehicles that can use the dedicated bus lane during a given time period; conducting simulations to verify the multi-objective integer optimization model and evaluating the impact of the shared reservation scheme on dedicated bus lanes and regular lanes; and, considering user acceptance, constructing a mechanism for regular vehicles to reserve bus lanes using carbon credits. This invention addresses the shortcomings of dynamic schemes and the one-size-fits-all approach to existing dedicated bus lane management models.

This application discloses a vehicle regulation method and related equipment, belonging to the field of traffic safety technology. The method includes: acquiring first road information of a non-bus lane and second road information of a bus lane within a target road segment; predicting a first driving speed of a non-bus in the non-bus lane based on the first road information; predicting a second driving speed of a non-bus in the bus lane based on the second road information; generating a regulation strategy based on the first and second driving speeds and sending a regulation command to a target vehicle, wherein the target vehicle is any non-bus within the target road segment. This method considers the impact of different road conditions on vehicle driving, making the generated regulation strategy more reasonable and improving road utilization.

The invention discloses a bus dedicated path planning method and system for coping with multi-dimensional consideration, and relates to the technical field of path planning, and the method comprises the steps: synchronously collecting the multi-dimensional data of a target road section, and calculating a real-time traffic entropy value based on an information entropy theory; determining participants, performing auditing to generate an effective bidding list, regarding road use right distribution as a cooperative game problem, calculating marginal contribution of each game subject by adopting a Shapley value algorithm, and screening an optimal bidding combination; dividing traffic state intervals, combining the optimal bidding combination, the real-time traffic entropy and the exclusive lane occupancy rate, deciding the right to use according to an interval allocation rule, and generating a standardized allocation scheme; and converting the distribution scheme into a V2X broadcast instruction to be pushed, completing dynamic lane mark switching and passing guidance, collecting feedback data in real time to judge whether deviation occurs, and if the deviation is judged, dynamically adjusting the scheme and re-executing the scheme, thereby realizing dynamic optimal configuration of bus lane resources and system stability.

The invention discloses an intelligent network connection bus priority path planning method based on multi-strategy cooperation, and the method comprises the steps: solving a target function with the minimum total maneuvering step number of an intelligent network connection bus and a social vehicle at all positions as a target through building a target lane social vehicle active avoidance constraint and a snakelike constraint of the bus; and the planning of the intelligent network connection bus priority path is realized. Through establishment of feasibility constraints, the situation that a bus is interfered by other vehicles when running on a road can be fully considered, and social vehicles can effectively carry out active avoidance and path adjustment strategies; the method can adapt to traffic conditions changing in real time, and a'bus lane 'can be formed in the existing lane without building a bus lane and avoiding social vehicles, so that the overall road resource utilization rate is improved, and the implementation cost is greatly reduced.

The invention belongs to the field of traffic signal control and road resource optimization and utilization, and particularly relates to a pre-signal control method, system, storage medium and equipment for a special bus entrance lane at a signalized intersection, in particular to the pre-signal control method, system, storage medium and equipment for the special bus entrance lane at the signalized intersection. The purpose of the invention is to solve the problems of long delay time of straight vehicles and low intersection traffic efficiency caused by low utilization rate of the existing special entrance lane for buses. The method comprises the following steps: determining a target intersection suitable for dynamically managing a bus-dedicated entrance lane; a pre-signal lamp is arranged at a bus-dedicated entrance lane of the target intersection, and an original bus-dedicated lane is constructed into a variable bus-dedicated lane; establishing a calculation model of the early turn-on moment of the pre-signal green light and a calculation model of the early end moment of the pre-signal green light; calculating the length of the variable bus lane; and determining the opening length of the bus-dedicated entrance lane of the target intersection.

The invention relates to an urban bus lane operation effect evaluation method based on multi-dimensional indexes, and relates to the field of public traffic evaluation and optimization. According to the technical scheme, the scale and qualified rate two-dimensional evaluation is integrated, the scale index is based on the proportion of the mileage of the special lane to the total length of the bus line network, the qualified rate is calculated through rationality scoring of the special lanes one by one, and the number quality focuses on the overall treatment effect to avoid local one-sided pursuit; the evaluation of a single special lane integrates the dimensions such as bus passing demand, bus operation efficiency, bus priority effect and lane allocation balance, selects the indexes such as peak bus arrival amount and speed ratio, advocates bus priority and pays attention to social vehicle rights and interests, and reduces the waste of passing resources by monitoring the vacancy of the special lane and the congestion of other lanes. The road-section and direction-division calculation mode can evaluate the setting conditions of all directions of all road sections respectively, and accurate positioning of weak points is convenient for fine adjustment. The method effectively improves the running efficiency of the special road, and optimizes the road resource allocation.

The energy is saved. When a bus comes in a bus operation system, the bus cannot get on a few people, so that two contradictions of waiting for the bus by people, getting on the bus, reducing the transportation efficiency, increasing the transportation cost and polluting the environment are formed. 1, a two-way operation line is arranged between the two extending ends of each large and medium-sized road to form a one-road one-line straight passenger transport mode for transporting passengers, a wired trolley bus line is installed on the road, and a wired trolley bus is used; and 2, passengers along the operation branch lines are transported to intersections of the large and medium-sized roads by small-sized buses on the small-sized roads communicated with the large and medium-sized roads to form a short-distance round trip in a large-sized block or a rural area. 3, setting 1-2 bus lanes on large and medium-sized roads in an urban area; and 4, traffic signal lamps and buses are provided with signal lamp control facilities, and the buses with the priority of passing through the intersection turn green when arriving at the intersection, so that the passenger vehicles go ahead. And 5, the passing speed is accelerated, and a bus lane is arranged, so that the congestion phenomenon is avoided.

An operation optimization control method for an intelligent connected bus based on a heterogeneous line scenario relates to an operation optimization control method for an intelligent connected bus. The present invention aims to solve the technical problem that the coexistence of current manually driven bus lines and intelligent connected bus lines causes uneven headway time of intelligent connected buses traveling on bus lanes, as well as congestion at stations and intersections. The intelligent connected bus operation hierarchical optimization control model established by the present invention outputs the optimal speed control scheme and signal priority scheme under the condition of uncertainty in the operation of manually driven buses, improves the uniformity of headway time, and reduces the number of times of entering node queues. The present invention provides a new idea for the efficient operation of intelligent connected bus companies, and is of great significance to promoting the large-scale operation of intelligent connected buses from specific simple roads to complex roads.

The invention relates to a traffic scene driving information detection system, which comprises a positioning identification mechanism arranged on a bus and used for sending a first identification instruction when the bus is identified to drive in a bus lane based on the positioning information of the bus, when it is identified that the bus does not run in the bus lane based on the positioning information of the bus, a second identification instruction is sent out; and the recording operation part is used for recording violation vehicle information in the to-be-analyzed image area when receiving the private vehicle detection success signal. According to the method and the device, the image region matched with the private vehicle appearance imaging feature can be judged from the content optimization image according to the private vehicle appearance imaging feature to serve as the to-be-analyzed image region, and the to-be-analyzed image region is subjected to pertinent detection based on the private vehicle so as to determine whether a private vehicle detection failure signal is sent or not; therefore, the driving behavior of occupying the bus lane is shocked and deterred.

The present invention provides a simulation optimization method for bus lanes based on a proxy-assisted evolutionary algorithm, which comprises the following steps: S1, establishing a road network simulation model and an optimization mathematical model; S2, collecting initial simulation samples of decision variables based on Latin hypercube sampling; S3, establishing a proxy model of the simulation model by using the initial simulation samples; S4, obtaining an optimized solution set of decision variables by using an evolutionary algorithm assisted by the proxy model; S5, selecting the most ideal solution from the optimized solution set based on the proxy model integration method and the sample jackknife method; S6, substituting the most ideal solution into the simulation model for verification and updating the proxy model. Compared with the prior art, the simulation model of the present invention, as an evaluation tool for optimization schemes, can simulate the dynamic evolution process of the traffic system; ② Based on the simulation model and the optimization algorithm, a quantitative optimization scheme for bus lanes in the road network can be obtained; ③ Using the proxy model to replace some expensive calculations that need to be completed by the simulation model reduces the computational amount of simulation optimization.

The present invention proposes a bus lane optimization design method and system considering tail gas emissions at the road section scale, the method comprising the following steps: collecting design element information of urban bus lanes, road section traffic flow information, and road section basic information; using a virtual simulation method to obtain traffic flow operation condition data of the road section where the urban bus lane is located, and obtaining the tail gas emission equivalent of vehicles in the road section; using an encapsulated feature selection method to screen feature variables from the design element information of urban bus lanes; using an interpretable machine learning method to analyze the influence of feature variables on road section vehicle tail gas emissions, and output the influence contribution ranking of feature variables; using the objective function of minimizing the total tail gas emissions of road section vehicles, using an optimization algorithm to optimize the design scheme of bus lanes. The present invention provides an ecological design scheme for bus lanes to significantly reduce the tail gas emissions of vehicles in urban bus lane sections.

The present invention discloses a method, device, and medium for dynamically estimating the carbon emission reduction effect of bus lanes, including: estimating the mileage of bus lines traveling on bus lanes and the line mileage traveling on general lanes, so as to classify the types of bus lines and divide the bus lines into first bus lines mainly traveling on bus lanes and second bus lines mainly traveling on general lanes; according to the types of bus lines, using the influencing factors at the bus stop level, bus link level, and bus line level as covariates, taking each bus line as a sample, and using a dynamic emission reduction effect estimation model to estimate the conditional emission reduction index and average emission reduction index of bus lanes, so as to quantify the global and local emission reduction effects of the carbon emission factor per passenger. Combining cross-city bus data and introducing random effects at the regional level, a multi-level dynamic emission reduction effect estimation model is constructed to reveal the differences in the emission reduction effects of bus lanes between different cities.

This invention provides an integrated elevated Bus Rapid Transit (BRT) system that combines efficient transportation with urban pedestrian and bicycle systems. The system includes a double-deck elevated bridge with shared piers, arranged along the direction of the ground-level road. It comprises piers and upper and lower beams supported on the piers. The upper beams carry BRT vehicles, forming a dedicated BRT lane; the lower beams carry pedestrians and non-motorized vehicles, forming a pedestrian and bicycle lane. The upper and lower beams are supported by the same piers, with the lower beams cantilevered by corbel structures on the sidewalls of the piers. The horizontal projection of the lower beams is entirely or partially within the horizontal projection range of the upper beams, thus utilizing the upper beams to provide shelter for the pedestrian and bicycle lanes. This system aims to solve the technical problems of existing elevated BRT systems, such as high construction costs, low land use efficiency, need for improved operational efficiency, and poor integration with the urban environment and pedestrian and bicycle systems.

The present invention provides a method, device and electronic device for controlling lane borrowing of an intelligent connected vehicle. The method comprises: obtaining the remaining time of the traffic light of the road section where the intelligent connected vehicle is located in the most recent traffic state; determining, based on the remaining time, whether the intelligent connected vehicle can pass through the intersection in the current lane and whether it can pass through the intersection after borrowing the lane; if the intelligent connected vehicle cannot pass through the intersection in the current lane and can pass through the intersection after borrowing the lane, determining the bus data of the road section where the intelligent connected vehicle is located; determining, based on the bus data, the real-time clearance distance of the buses on the road section where the intelligent connected vehicle is located; and determining, based on the real-time clearance distance and the vehicle position of the intelligent connected vehicle, whether the intelligent connected vehicle should borrow the lane. The present invention can clarify whether the intelligent connected vehicle needs to borrow the lane during lane borrowing control, thereby ensuring the driving advantage of the intelligent connected vehicle and the priority of buses in the bus lane.

The utility model relates to a lane signboard which comprises a signboard body provided with at least one set of lane indication areas, and one set of lane indication areas are bus lane indication areas. The signboard is characterized by further comprising a display screen which is arranged on the signboard body and located on a bus lane indication area; the power supply module is electrically connected with the display screen and is used for supplying power to the display screen; and the controller is electrically connected with the display screen, and the controller is configured to change the display identifier on the display screen according to the traffic condition. The bus lane indication area has the advantages that the display screen is arranged on the bus lane indication area, and the display screen is electrically connected with the controller, so that a traffic management department can change display marks on the display screen according to traffic conditions, traffic pressure can be relieved, and the utilization rate of the bus lane is maximized.

The present invention relates to the field of intelligent connected technologies, and particularly to a method for determining a communication node of a bus lane-changing and leaving-station cooperative control vehicle network, including: Step 1: The bus is connected to the intelligent roadside unit through a sensor and obtains the driving state of social vehicles in the target lane at a moment; Step 2: The bus judges the lane-changing conditions; Step 3: The intelligent roadside unit calculates the time difference between the bus and the social vehicle behind in the lane-changing target lane passing through the potential conflict point and compares it with a threshold value; Step 4: The social vehicle makes a lane-changing decision; Step 5: The intelligent roadside unit communicates with the social vehicle and collects the preference strategies and trajectory data; Steps 6 and 7: Judge when the feedback strategy is to change lanes or not; Step 8: Update the social vehicle sample set affected by the bus leaving the station; Step 9: Establish a bus lane-changing and leaving-station cooperative control vehicle network; Through the established vehicle network, the functions of maximizing the saving of regional communication resources and assisting the bus to leave the station smoothly can be realized.

The application provides a kind of intelligent network connection vehicle (Connected Automated Vehicle, hereinafter referred to as CAV) trajectory optimization method for driving on city bus lane. In order to improve the mixed traffic flow state of CAV and manually driven vehicle, and in order to effectively improve the operation efficiency of CAV, the operation gap of bus lane is used to improve the operation speed of CAV, so as to realize the separation of CAV and manually driven vehicle. In the trajectory planning process, firstly, the time when CAV arrives is obtained, based on the traffic state at this time, after considering the influence of the empty capacity on the city bus lane and the signal, whether CAV can run on the bus lane is reasonably arranged, and then the trajectory of CAV running on the bus lane is solved and optimized. The method of the application is a feasible and quite economical planning method, which not only ensures the independent operation of CAV to a certain extent, but also utilizes the idle part of traffic resources.

The invention discloses a time-sharing optimization method for a low-utilization-rate bus lane based on an HOV concept. The method comprises a service model of an HOV-BPL time-sharing optimization strategy, a method for making the HOV-BPL time-sharing optimization strategy and issuing the HOV-BPL time-sharing optimization strategy to travelers, and an HOV-BPL time-sharing optimization strategy model. According to the invention, the optimization problem of the low-utilization-rate bus lane in the prior art is solved.

The application provides a signal priority control method based on a condition without bus lane, first, a target vehicle delay contour line auxiliary line is established, target vehicle delay and its probability density function are calculated; second, the maximum queuing length in front of the target vehicle is determined; then, the target vehicle intersection delay expectation and variance are calculated based on the vehicle delay and the corresponding probability density function in the effective range; finally, appropriate signal control parameters are selected, a signal control scheme is formed in the target cycle, the target function value under each scheme is calculated, and the signal control scheme making the target function value minimum is selected for implementation. The signal priority control method based on the condition without bus lane provided by the application makes up for the deficiencies in the prior art, such as based on the bus lane, not considering the intersection queuing, and regarding the vehicle speed as a constant, and is more in line with the actual traffic situation, and the reliability and implementability of the control method are ensured through the consideration of the randomness of the vehicle running process.

The present invention relates to the field of intelligent networking, and particularly relates to a multi-vehicle collaborative centralized control method for a bus to depart from a station in a networked environment, including: (1) After the intelligent networked bus completes the tasks of boarding and alighting passengers at the stop, it determines whether the bus can depart from the station at the current moment through the on-vehicle computing unit; (2) When the conditions for departing from the station are not met, a lane-changing request is sent to the intelligent roadside unit at the bay stop; (3) After receiving the bus lane-changing request, the RSU collects the vehicle driving information of all networked autonomous vehicles within the communication control range; (4) The RSU calculates the optimal collaborative strategy and driving trajectory of each CAV with the goal of minimizing the total traffic cost of all vehicles within the control area; (5) The RSU issues control instructions for vehicle decision-making and planned paths to the CAVs; (6) Each CAV passes through the control area section according to the control instructions; realizing the control of the driving behaviors of multiple vehicles, and enabling the regional vehicles to jointly complete the collaborative task of the bus changing lanes and departing from the station.

Embodiments of the present application disclose a route recommendation method and device. Embodiments of the present application generate a plurality of candidate routes according to information of a plurality of ride orders obtained through matching, and then determine a route heat characteristic value and a bus lane characteristic value of each candidate route, and recommend one of the candidate routes as a target route based on the route heat characteristic value and the bus lane characteristic value. Since the bus lane characteristic is taken into account in the recommendation of the route, the route recommendation of a network bus service operated by a minibus or a bus and the like is more adapted to the scene requirements, the accuracy of the optimal route can be improved, and the operating cost is reduced.

The invention discloses a networked bus signal coordination and speed guidance joint optimization method considering multi-bus request conflict, and the method comprises the steps: building a complete bus priority multi-strategy optimization model on the basis of the actual operation of a bus; a multi-strategy bus operation optimization process considering bus signal priority application conflicts is described through a system, delay conditions of social vehicles and buses are considered, and then actual driving behaviors of the buses and intersection signal optimization are guided; on the basis, the bus is guided to run on the bus lane, the parking waiting time is shortened, the bus priority efficiency is improved, a bus signal coordination and speed guidance combined optimization method is formed, and then the organic combination of a bus priority signal-speed guidance-trunk line coordination strategy is achieved. According to the invention, a series of problems of low public transport efficiency, such as long parking waiting time and arrival time delay, caused by difficulty in processing of the prior intelligent network connection bus signal priority application conflict, are solved.

This invention discloses a time-sharing optimization method for low-utilization bus lanes based on the HOV (House of Vehicles) concept, including a service model for the HOV-BPL time-sharing optimization strategy, a method for formulating and releasing the HOV-BPL time-sharing optimization strategy to travelers, and the HOV-BPL time-sharing optimization strategy model; this invention solves the problem of optimizing low-utilization bus lanes in the prior art.

The application provides a kind of intermittent bus lane bus priority control method, the method comprises: obtaining the driving data of intelligent connected vehicle and bus of the road section where current intelligent connected vehicle is located, then determine the lane where current intelligent connected vehicle is located, if current intelligent connected vehicle is in ordinary lane, the number of lane borrowing vehicle on the intermittent bus lane is determined according to the driving data and target limit value, and when the number of lane borrowing vehicle on the intermittent bus lane reaches the target limit value, control current intelligent connected vehicle not to borrow lane intermittent bus lane.The application avoids the situation that the number of lane borrowing vehicle is too much when intelligent connected vehicle borrows lane on intermittent bus lane, which causes the increase of bus delay, and realizes the fast lane changing of intelligent connected vehicle on the road while ensuring the priority driving of bus on intermittent bus lane.

The application discloses a centrally-located bus and slow traffic integrated road and intersection, and specifically sets the bus lane and non-motor vehicle lane which are normally located on the two sides of the road in the center of the road, sets the bus station and non-motor vehicle parking point in the road center near the road section pedestrian crossing and intersection, and correspondingly adjusts the signs and lines, signal control phase and auxiliary facilities at the road section pedestrian crossing and intersection. Accordingly, the application also proposes the intersection of double centrally-located bus and slow traffic integrated road and the intersection of centrally-located bus and slow traffic integrated road and conventional road. The application effectively improves the traffic efficiency of the bus lane and non-motor vehicle lane on the basis of ensuring the traffic safety, facilitates the interchange of the three traffic modes of pedestrians, non-motor vehicles and buses, highlights the characteristics of bus priority and slow traffic priority, and is more humanized in design.

The invention provides a lane direction cooperative control method and device, electronic equipment and a storage medium, and belongs to the technical field of traffic engineering. Acquiring the distribution condition and the driving direction of buses on the bus lane and the driving data of all CAVs in the detection range, wherein the driving data comprises the distribution condition, the driving speed and the planned driving direction; based on the driving data of the CAVs, determining a group of first alternative CAVs which can safely pass through the intersection and have lane changing requirements; determining a first target CAV allowing lane change to the bus lane from the first alternative CAVs based on the bus distribution condition and the driving direction; and controlling the first target CAV to change the lane to the bus lane and follow the bus. The technical problem that the traffic pressure of other lanes is difficult to relieve under the condition that the priority passing right of the bus is guaranteed in the prior art is effectively solved.

The invention relates to the technical field of automatic driving, and discloses a road right sharing method and system for a bus lane, and the method is based on video monitoring, recognizes road condition congestion information in real time, and uses the road condition congestion information as time and section discrimination conditions for sharing the bus lane. Meanwhile, vehicle position information with centimeter-level precision is obtained by using a Beidou navigation system carried by a bus, and a dynamic block interval is established based on the high-precision position information. And based on the real-time traffic information and the dynamic blocking state information, delimiting a bus lane sharing section, setting a lane borrowing section and a lane returning section, and performing real-time updating, thereby finally realizing road right dynamic sharing of the bus lane. The method provided by the invention solves the problems that the reliability and practicability are insufficient due to the lack of real-time road condition information in the existing road right sharing solution, the social vehicle interferes with the driving of the special vehicle, and the sharing of the special road is insufficient.