33 results about "Bus lane" patented technology

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.

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.

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 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 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.

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 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.

The invention belongs to the technical field of urban public transport planning, and discloses a bus lane setting method and device in mixed traffic, and the method comprises the steps: building a macroscopic simulation model of private car and bus mixed traffic operation according to the basic data of a road section, and carrying out the macroscopic simulation of the private car and bus mixed traffic operation according to the macroscopic simulation result. Judging an optimal road service level interval for setting the bus lane; building a microscopic simulation model of private car and bus mixed traffic operation according to the road network basic data; the method comprises the following steps: on the basis of an original network scheme and a full-set bus lane network scheme, judging a problem that a private car and bus mixed traffic network optimization design problem needs to be decided, and establishing a two-stage model for description; and solving the two-stage model. According to the method, the bus lane setting scheme is continuously adjusted by simulating the road network state, and the optimal bus lane setting scheme is output, so that the road network benefit can be optimal.

The application provides a bus lane passenger carrying capacity estimation method, system, device and medium, comprising the following steps: presetting a target interval of an area adjacent to a crossing and including a platform, collecting bus vehicle information and road section information of all vehicles running in the target interval within a preset unit time; presetting a station length in the target interval based on the bus vehicle information, and obtaining a preset traffic capacity of the station; presetting a length of a downstream road section of the station in the target interval based on the vehicle information, and obtaining an actual traffic capacity of the downstream road section and an actual traffic capacity of a downstream crossing; if the preset traffic capacity of the station is less than or equal to the sum of the actual traffic capacity of the downstream road section and the actual traffic capacity of the downstream crossing, and the length of the target interval is equal to the sum of the length of the station and the length of the downstream road section, then the actual traffic capacity of the target interval is the preset traffic capacity of the station; and the passenger carrying capacity of the target interval is the product of the actual traffic capacity of the vehicle and a rated passenger carrying capacity.

The invention discloses a commuting carbon efficiency causal inference method and device for multiple bus priority strategies, and a medium. The commuting carbon efficiency causal inference method comprises the following steps: constructing a variable set containing control variables (bus lanes and signal priority strategies), covariables (carbon efficiency influence factors) and carbon efficiency true values; and splicing the control variable and the covariable into a joint feature vector, and inputting the joint feature vector into the trained multi-strategy causal neural network. The network outputs carbon efficiency estimation values under four situations through completely decoupled branches: no strategy, only special channel, only signal priority and joint strategy. And on the basis of no strategy, the carbon efficiency improvement rates under the implementation of the three strategies are calculated respectively, that is, the ratio of the difference value to the basic value is estimated, so that the emission reduction effect of each strategy is quantified.

The invention discloses a control method, device and equipment for realizing dynamic convergence of a bus lane, which are used for improving the utilization rate of the bus lane. The method comprises the following steps: acquiring vehicle information of buses in an upstream bus lane of a first intersection; according to the vehicle information, determining a bus group passing through the first intersection in the green light phase of the signal lamp at the first intersection and a target time window of the bus group passing through the first intersection; determining an accessible time interval among the front-end time interval, the intermediate time interval and / or the rear-end time interval; and according to the convertible time interval, controlling a convertible indicator light of the first intersection, so that the convertible indicator light has a green light phase in the convertible time interval, and the convertible indicator light is used for indicating whether the social vehicle can be driven in the downstream bus lane of the first intersection.

The application discloses a kind of identification method and device that bus lane is introduced to the passage of multiple-occupant car, and wherein, the method includes: collecting bus lane data and road basic data;Determine whether the bus lane data and road basic data satisfy the preset condition of bus lane introduction multiple-occupant car passage, if yes, then judge the relationship between the saturation ratio of bus lane after introducing multiple-occupant car and social road section saturation and saturation threshold, according to the judgment result, determine whether bus lane is suitable for introducing multiple-occupant car.The application provides a kind of method that bus lane is introduced to multiple-occupant car, can quickly determine whether bus lane is suitable for introducing multiple-occupant car, use condition is simple and clear, convenient and fast.In addition, the method can improve the transport efficiency of road to a certain extent, has certain guiding effect in guiding vehicle reasonable use, promoting carpooling rate, green travel and the like.

The application discloses a kind of considering multiple vehicle request conflict's network connection bus signal coordination and speed guidance combined optimization method, the method includes on the basis of actual operation of bus, complete bus priority multi-strategy optimization model is established, considering bus signal priority application conflict, multi-strategy bus operation optimization process is described by system, the delay of considering social vehicle and bus vehicle, to guide the actual driving behavior of bus and intersection signal optimization;On this basis, guide bus to run on bus lane, reduce the time of parking and waiting, improve bus priority efficiency, form a kind of bus signal coordination and speed guidance combined optimization method, to realize the organic combination of bus priority signal-speed guidance-trunk coordination strategy.The application solves the long parking and waiting time caused by the difficulty in processing existing intelligent network connection bus signal priority application conflict, a series of public transport inefficiency problems such as delay of arrival time.

The application discloses a commuting carbon efficiency cause-effect inference method and device of a multi-bus priority strategy, and a medium, comprising: constructing a variable set containing control variables (bus lanes, signal priority strategies), covariates (carbon efficiency influencing factors) and carbon efficiency true values. The control variables and the covariates are spliced into a joint feature vector and input into a trained multi-strategy causal neural network. The network outputs carbon efficiency estimation values in four scenarios through completely decoupled branches: no strategy, only lane, only signal priority and joint strategy. Then, based on the no strategy, the carbon efficiency improvement rates under the implementation of the three strategies are calculated, that is, the proportion of the estimation difference value and the base value, to quantify the emission reduction effect of each strategy.

The invention discloses a control method, device and equipment for realizing dynamic convergence of a bus lane, which are used for improving the utilization rate of the bus lane. The method comprises the following steps: acquiring vehicle information of buses in an upstream bus lane of a target station; according to the occupation state information of the target station and the vehicle information, determining a bus group leaving the target station in a green light phase of a target intersection at the downstream of the target station and a departure time window of the bus group leaving the target station; determining an accessible time interval among the front-end time interval, the intermediate time interval and / or the rear-end time interval; and according to the convertible time interval, a convertible indicator light is controlled, so that the convertible indicator light has a green light phase within the convertible time interval, and the convertible indicator light is used for indicating whether the social vehicle can converge into the bus lane at the downstream of the target station at the convertible point at the downstream of the target station to run in the bus lane at the downstream of the target station.

The application provides a vehicle control method and device, a vehicle terminal and a computer readable storage medium, and relates to the technical field of communication, wherein the method is applied to a vehicle terminal, the vehicle terminal is installed on a first vehicle, and the method comprises the following steps: determining a target area range corresponding to a target special lane of the first vehicle according to position information of the first vehicle; when the first vehicle is driving on an adjacent lane of the target special lane, judging whether the first vehicle is allowed to enter the target special lane according to speed information corresponding to the target area range; and generating entry instruction information for indicating that the first vehicle is suggested to enter the target special lane in the case that the first vehicle is determined to be allowed to enter the target special lane. The scheme of the application solves the problem that the prior art cannot dynamically use bus lane resources in time and effectively, thereby reducing the road passing efficiency.

The application discloses a design method of an intersection main road entrance control strategy in a heterogeneous traffic environment, relates to the field of electronic design automation, and collects intersection road condition information, vehicle information and intersection signal control parameters in real time, sets entrance lane functions according to the road condition information, considers the type difference between manually driven vehicles and automatically driven vehicles in the heterogeneous traffic environment, sets the car-following models of various types of vehicles, sets a bus priority signal control mode based on the speed data of buses arriving at the intersection and the intersection signal parameters, sets the lane-changing models of various types of vehicles and the borrowing and leaving rules of the bus lane according to the driving state of the vehicles, in combination with the lane-changing motivation and safety conditions of the vehicles, adopts a cost-benefit analysis method, sets the triggering mechanism of complete sharing of the bus lane in combination with the intersection traffic operation efficiency and the road resource utilization situation, and forms a complete control strategy. The application can significantly improve the intersection operation efficiency, and the improvement range is not less than 20%.

The invention discloses an intersection main road entrance lane control strategy design method in a heterogeneous traffic environment, relates to the field of electronic design automation, and comprises the following steps: collecting intersection road condition information, vehicle information and intersection signal control parameters in real time, and setting an entrance lane lane function according to the road condition information; the method comprises the following steps: setting car-following models of various types of vehicles by considering the vehicle type difference of manual driving and automatic driving in a heterogeneous traffic environment; setting a bus priority signal control mode based on the speed data of the bus arriving at the intersection and the intersection signal parameters; setting lane changing models of various types of vehicles and lane borrowing and leaving rules of bus lanes according to the driving states of the vehicles and in combination with vehicle lane changing motivation and safety conditions; a cost-benefit analysis method is adopted, the intersection traffic operation efficiency and the road resource utilization condition are combined, a trigger mechanism for complete sharing of the bus lanes is set, and a complete control strategy is formed. According to the method, the intersection operation efficiency can be remarkably improved, and the improvement range is not lower than 20%.