35results about How to "Avoid driving into" patented technology

The invention provides a method for recommending a taxi passenger-searching strategy based on a Markov decision process. The method comprise the following steps of data preprocessing: including deleting abnormal records, determining trajectories according to blocks, and calculating the passenger carrying probability and the expected revenue of each block; modeling: using a Markov decision processto model a passenger-searching optimal strategy problem; calculating the optimal solution: Using Q-learning to solve the optimal solution; online recommendation: giving the optimal passenger-searchingstrategy in consideration of load balancing and real-time traffic conditions. The method for recommending a taxi passenger-searching strategy based on a Markov decision process provides two differentstrategies for the waiting area and the searching areas, can calculate the expected revenue of each strategy according to the historical trajectories, receives the real-time traffic conditions and processes the taxi recommendation requests by a dispatching system so that the optimal strategy recommendation can be given after a taxi passenger gets off.

The invention provides a vehicle-mounted navigation device, which comprises an input module, a current position detecting module, a memory, a micro controller and an output module, wherein the output module comprises a driver, projection equipment and a universal bracket; the input module is used for inputting commands and requests of a user to the vehicle-mounted navigation device; the current position detecting module is used for detecting the current position and the time of a vehicle; the memory is used for storing a digital map; the micro processor is used for calling the digital map in the memory to generate the road guiding according to the commands and requests inputted by the user and the current position of the vehicle, and outputting the generated result; and the output module is used for receiving road guiding information generated by the micro processor. The vehicle-mounted navigation device directly projects the road guiding information of the navigation system on front wind shield glass of the vehicle by utilizing the projection mode, thereby improving the driving safety of a driver; moreover, the invention also provides a navigation system utilizing the vehicle-mounted navigation device.

The present invention discloses a working method of a real scene navigation system. The navigation system comprises a navigation device and an imaging device. The working method comprises that when a vehicle drives according to a preset navigation path, the imaging device follows the vehicle and real-timely shoots the real-time image around the current vehicle; if a complex intersection exists in front of the vehicle, a processor module matches the real-time image and the street scene image of corresponding position and pre-stored in a data memory, combines the preset navigation path, and determines the position, the road and the right driving direction of the current vehicle; and a display module is controlled to display the corresponding navigation images, wherein the real-time image in front of the current vehicle, and the vehicle driving direction matched with the navigation path and labeled by the arrow are contained in the navigation image.

The invention provides a method and device for processing road congestion information. In the invention, after a first road side unit receives a second road congestion message obtained by a second road side unit from a second vehicle through the V2X technology, the second road congestion information can be transmitted to a first vehicle set connected with the first road side unit through the V2X technology. Because the second road side unit and the first road side unit are sequentially disposed at a continuous road intersection and the transmission speed of the V2X technology is higher, the first vehicle can timely change the lane when determining that the last road intersection of the front is in a congestion state, so as to avoid the congested road intersection. Compared with a method inthat prior art that enables a vehicle driver to just obtain the congestion state of a road within a specified number of kilometers in the front in the prior art but cannot determine that the road congestion state has changed in most conditions when the driver drives the vehicle to the road within the specified number of kilometers in the front, the method is higher in real-time performances.

A method for obtaining OD real-time running time between adjacent checkpoints comprises the following steps that (1) parameters are set and initialized; (2) a real-time vehicle passing information table is established, vehicle passing information of all checkpoints is inserted in the table, and the vehicle passing information at least comprises the following keywords such as vehicle types, plate numbers, vehicle passing time, checkpoint ID and checkpoint position information; (3) the statistical process is conducted for the ith time; (4) according to a calculation result obtained in the step (3) and the following mode, OD real-time running time Xi counted at the ith time is adjusted and the length of a statistical time window at the i+1th time is determined; (5) after T minutes, the statistical process of the next period is conducted. According to the method for obtaining OD real-time running time between the adjacent checkpoints, accuracy is good and instantaneity is good.

The invention discloses a non-communication vehicle intrusion detection system. The system includes a detection area arranged between a transfer rail and a main rail, a first vehicle detection deviceused for detecting whether the detection area is occupied, and an object controller used for detecting whether the detection area has any vehicle based on the position information reported by the vehicle, whether the vehicle in the detection area is a non-communication vehicle is determined through cooperation of the first vehicle detection device and the object controller, if the vehicle in the detection area is determined to be the non-communication vehicle, the area controlled by the object controller is locked timely, and the non-communication vehicle is prevented from entering the main rail. The system is advantaged in that on the condition that rail-side equipment is not increased, whether the detection area is occupied can be conveniently detected, on the condition that the non-communication vehicle is detected, the area controlled by the object controller is locked timely, intrusion prevention of the non-communication vehicle is achieved, and reliable guarantee is provided forsafe running of the vehicle.

A train control method which utilizes a ground radio communication unit, which communicates with an onboard communication unit installed on a train, and a balise, which is installed at a predetermined stop position where the train stops and capable of communicating with the train, and is used to calculate a stop limit position to be given to the train on the basis of information obtained via the ground radio communication unit in order to control the operation of the train in a predetermined section. When the radio communication between the onboard communication unit and the ground radio communication unit is disrupted, a radio communication disruption setting section is set with the inclusion of the section where the radio communication is disrupted; the on-track state of a train which is traveling inside the radio communication disruption setting section is estimated on the basis of a first stop limit position which causes the train to travel to the position of the balise, or a second stop limit position which is set ahead of the communication disruption setting section, and the last received position of the train; and the operation of the train is controlled on the basis of the estimated on-track state of the train.

The invention discloses a method and a device for automobile safety protection, belonging to the automobile technical field. The method comprises the following steps of: acquiring a radar detection signal, wherein the radar detection signal comprises a detection signal of a radar in a traveling direction of a vehicle; Determining the depth of the road surface in the traveling direction of the vehicle according to the radar detection signal; When the depth of the road surface in the traveling direction of the vehicle is greater than a threshold value, a safety guard signal is output, and the safety guard signal is used to prevent the vehicle from traveling in the traveling direction of the vehicle. A radar detection signal is obtained by scanning a radar provided in the vehicle traveling direction, the road surface depth in the vehicle traveling direction is determined according to the radar detection signal, and a relationship between the road surface depth in the vehicle traveling direction and the magnitude of a threshold value is used to judge whether there are cliffs, steps, or large holes in front or behind the vehicle or not. When there are cliffs, stairs or large holes, thesafety signal is output to prevent the vehicle from driving, which enhances the safety of the vehicle.

The present application discloses a parking management method and system, an electronic device and a computer readable storage medium. The method comprises the steps of: acquiring the motion state information of vehicles and the number of vacant parking stalls in a preset area; determining, by using the motion state information, the number of first vehicles scheduled to park and the second numberof vehicles scheduled to leave in the preset area; determining the number of available parking stalls by using the number of first vehicles, the number of second vehicles, and the number of vacant parking stalls; generating prompting information characterizing the availability ratio of parking stalls in the preset area based on the number of available parking stalls. It can be seen that the methodnot only acquires the number of vacant parking stalls in the preset area, but also acquires the vehicles moving in the current area to determine the number of vehicles scheduled to park and the number of vehicles scheduled to leave, dynamically determine the number of available parking stalls in the future and returns the same to a user, prevents a vehicle owner from driving into a parking area that is about to be full, and improves the parking efficiency.

The invention discloses a work method of a navigation system capable of preventing pileup. The navigation system comprises a navigation device and a plurality of camera devices arranged on the periphery of a vehicle, where the navigation device is installed. The navigation device comprises a processor module, which is connected to the vehicle controller of the vehicle. When the processor module finds out that brake lamp of a vehicle (A), which is in front of the vehicle (B) in the same lane, lights; the processor module sends a brake lamp control signal to the vehicle controller; the vehicle controller controls the brake lamp of the vehicle (B) to light so as to indicate a vehicle (C) behind the vehicle (B) to carry out effective action in time so as to keep a safe distance, thus the vehicle rear-end collision is avoided, so the pileup will not happen, and the traveling safety is guaranteed.

The invention discloses an off-site parking lot charging management system and a charging method. The off-site parking lot charging management system comprises an exit barrier gate, an entrance barrier gate, a server side, a user side and an identification module, a vehicle does not stay in front of a barrier gate and directly passes through an entrance and exit of a parking lot, the recognition module is used for recognizing vehicle parking time and uploading vehicle information to the server side, the server side recognizes whether the vehicle registers a user side or not, and if the vehicleregisters the user side, the vehicle automatically deducts fees from the user side after driving away; and if the vehicle does not register the user side, the vehicle pays the parking fee through a fee urging short message after driving away. According to the system, off-site charging can be completed by registering the user APP, and on-site payment for the user is not needed, so that cash or a mobile phone does not need to be searched in a vehicle for on-site payment, the time of the vehicle in front of a barrier gate is greatly reduced, and the method is relatively suitable for a parking lot with relatively large traffic flow.

The invention discloses an emergency response system matched with a traffic signal lamp, and relates to the technical field of traffic emergency reaction equipment. The emergency response system comprises a bottom plate, a control unit and a warning device, wherein the bottom of the warning device is fixed to the top of the bottom plate, the warning device comprises a box body, the bottom of the box body is fixed to the top of the bottom plate, and the output end of the control unit is connected with the input end of the warning device. The emergency response system matched with the traffic signal lamp and a controlling method thereof can quickly block a road, a vehicle is prevented from driving into the road, when a traffic accident occurs, the traffic accidents can be found in time, theaccident types can be determined, and corresponding traffic flow guiding schemes can be formulated for related departments, the traffic jam condition at the occurrence position of the traffic accidentcan be reduced, the transport efficiency and the traffic capacity of an expressway are improved, an ambulance or a disaster relief vehicle can effectively reach the accident site fast and safely, andthe secondary accidents caused by the current accident is reduced.

The embodiment of the invention provides a charging pile control method, a device, a server, a system and a storage medium, and relates to the technical field of data processing. The method comprises the steps: recognizing and obtaining the recognition information of a to-be-occupied vehicle in a target region corresponding to a charging pile according to the collected image information; judging whether the recognition information of the to-be-occupied vehicle is registered or not according to a registration database; if so, judging whether the to-be-occupied vehicle meets a charging condition or not according to the vehicle information of the to-be-occupied vehicle; and if the charging condition is met, controlling the parking space lock in the target region to be unlocked. After the to-be-occupied vehicle is registered and the charging condition is satisfied, the parking space lock of the target region is opened, so that the to-be-occupied vehicle entering the target region can be charged through the charging pile, the vehicle recognition is more accurate, the vehicle which does not support the charging pile to drive into the charging pile parking space, and the charging efficiency is improved. The unnecessary waste of parking spaces of the charging piles is avoided, and management of the charging piles is improved.

The invention discloses an automatic control method for a highway in severe weather. The method comprises the following steps of: S1, dividing and naming the highway by taking a road section as a unit, summarizing names to a traffic management unit, facilitating recording and distinguishing, ensuring the uniqueness of the names, avoiding repetition, and integrating street lamps, warning display screens, pan-tilt equipment and indicator lamp equipment in each road section, so that whether the equipment in the road section can normally operate or not can be known in real time; and S2, arrangingenvironment monitoring equipment, pan-tilt equipment and high-definition camera equipment in each road section, and integrating the environment monitoring equipment, the pan-tilt equipment and the high-definition camera equipment into a supervision department of the traffic management unit. According to the method, the meteorological change can be timely and accurately found, early warning can berapidly carried out on the traffic management unit according to the meteorological change, and the traffic management unit can rapidly confirm the information, so that drivers and passengers can be conveniently and rapidly reminded, rapid and safe driving away is facilitated, and the drivers and passengers in the road section can be reminded and prevented from driving into the road section.

The invention relates to a scooter self-walking control method and system. The scooter self-walking control method comprises: calculating the optimal path through the scooter by adopting a path optimal algorithm according to the current position information and destination information of the scooter, so that the scooter can self-walk to the destination with the minimum time consumption, and preventing the scooter from driving into a wrong path. According to the scooter, the road condition information is obtained in real time through the locally-carried environment perception sensor, the actions of advancing, retreating, steering or stopping are continuously executed, the scooter can safely and automatically walk to the destination, and the risk of traffic accidents of the scooter is greatly reduced. Manual monitoring is not needed in the whole scooter self-walking process, and automation is achieved.

The invention discloses a vehicle control method and a device and a computer program product, which can be applied to the field of automatic driving. The method comprises the steps that: controlling a target vehicle to run in an upstream turning lane, wherein the upstream turning lane is communicated with N downstream lanes through intersections, the intersection comprises M virtual lanes located between the upstream turning lane and the N downstream lanes; determining lane congestion information of each virtual lane in the M virtual lanes, wherein the lane congestion information refers to information used for reflecting the congestion degree of the virtual lanes; according to the lane congestion information of each virtual lane, selecting one virtual lane from the M virtual lanes as a target virtual lane; and controlling the target vehicle to drive into the target virtual lane, so that the target vehicle drives into one of the N downstream lanes through the intersection. According to the invention, the turning behavior of the target vehicle at the intersection without the turning diversion line is richer and more real, and the passing efficiency is effectively improved.