15 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 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 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.

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 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 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 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 present application belongs to the technical field of traffic signal control, and discloses a bus priority driving control method based on time prediction without special lane, comprising the following steps: S1, obtaining relevant parameters and predicting the time for a bus to reach the start point of a speed guidance area; S2, according to the remaining green light time of a downstream intersection, if the bus cannot pass the downstream intersection without stopping, a bus acceleration guidance strategy and / or a green light extension strategy are executed; S3, according to the remaining red light time of the downstream intersection, if the bus cannot wait for the next signal cycle without stopping, a bus deceleration guidance strategy and / or a red light early break strategy are executed. The present application designs bus priority driving decision mechanisms in various scenarios, providing a reference for improving the service level of urban public transportation.