155results about How to "Increase traffic flow" patented technology

The invention provides a driving behavior safety evaluation method based on human-vehicle-environment multiple data sources and belongs to the field of automobile safety driving research in the aspectof road transportation application. The method comprises the steps that information data of a driver, driving data of a vehicle and environmental factor data are acquired as automobile driving sourcedata; according to the automobile driving source data, related factors which influence the driving safety are analyzed, and a driving risk evaluation index system is built; through statistical analysis, an evaluation value corresponding to an evaluation index is extracted in the source data, a driving risk score of a vehicle to be evaluated is calculated and obtained, and finally the driving behavior safety grade of the vehicle is determined. The driving behavior safety evaluation method has reliable evaluation results, can prevent dangerous driving behaviors, reduces traffic accidents and improves the traffic flow.

A program may be used to increase traffic flow to a Web site by analyzing, optimizing and submitting the Web site to one or more search engines. The program may accept search phrases and check the compatibility of the Web site with the search phrases as well as check the textual content, the parseability and the spiderability of the Web site. In a preferred embodiment, the analysis mimics the ranking methodologies used by the search engines. The program assists the owner of the Web site in optimizing the Web site for the search engines, possibly by automatically editing the code of the Web site, and submits the Web site for registration with the selected search engines. The program may be repeated from time to time to insure the Web site remains in an optimized state.

The invention discloses a vehicle queue stability control method considering communication delay. The method comprises the steps that 1, a vehicle queue following mathematical model is established; 2,a nonlinear lower layer control gain is constructed by a feedback linearization strategy, and a node power unit is described as a node linear model; 3, a high-dimensional closed-loop state equation of a vehicle queue following control system under dynamic parameter uncertainty is established; 4, sufficient conditions are used for giving sufficient conditions that a vehicle queue with communication delay has a stabilization controller under the symmetric communication topology; and 5, the stabilization controller is constructed to obtain a controller gain so as to control static feedback control of a distributed controller, and the stability of the vehicle queue following control system is ensured. The method can ensure the stability of the vehicle queue following control system, reduces the vehicle queue following interval, increases the traffic flow, and reduces the energy consumption.

The invention provides an electric automobile capable of achieving unlimited long-distance endurance and tracked mobile charging and power supplying systems of the electric automobile. According to the technical scheme, guide rails for supplying power are laid on the two sides of a center isolating strip of a highway, the electric automobile with a brush and a navigation control device can be connected with the guide rails for charging and power supplying in the traveling process, and in this way, by means of the guide rails serving as the charging and power supplying systems, the electric automobile can achieve unlimited long-distance endurance on the highway. The method can solve the problems that a current electric automobile is limited in endurance mileage and can only travel locally for the short distance, and the cost of batteries is high, and is beneficial for the development of electric automobile industries and popularization of electric automobiles.

The invention provides a vehicle travelling guiding system based on internet of vehicles and a method for guiding vehicle travelling, belonging to the field of navigation apparatuses. The vehicle trip guiding system includes a route planning unit, a road condition information acquisition unit, and a road condition data service center, the route planning unit is used as a terminal to be arranged on a vehicle, and based on the road passing speed information of the passing road, the travelling route between the departure and the destination is planned. The road condition information acquisition unit is arranged on the vehicle, the real-time position of the vehicle, the passing direction of the vehicle, and the real-time passing speed of the vehicle can be timely monitored, the road condition data service center is in communication connection with the route planning unit and the road condition information acquisition unit via wireless network. The system improves the travelling efficiency, reduces the travelling cost, alleviates the traffic pressure, and reduces the traffic pollution.

The invention relates to an unmanned rail electric vehicle and a sky-train system. Regarding the rail electric vehicle, a lane is laid by turnout-free light rails and an anti-impact vertical guide pavement closed and laminate lane, and the vehicle runs on the railway, thus being named as sky-train; the rail electric vehicle adopts unmanned driving, and a destination is found through addressing codes by a vehicular computer system and through road infrared remote control information; a rail electric vehicle monitor center, an automatic indoor parking lot, a high-rise high-capacity indoor parking lot, an indoor platform and a waiting room are arranged; a bus-type rail electric vehicle ticket can be booked by a method which sends a short message via an internet mobile phone, and a taxi-type rail electric vehicle or a household rail electric vehicle can be reserved for pickup on time at a right station; a steering mechanism does not have a steering wheel, the vehicle steering can be completed by a main steering wheel and an auxiliary steering wheel through guiding pavement; and the rail electric vehicle can be a bus type, a taxi type, a household type and an online goods delivery and receiving type.

The invention relates to a control method and system for improving the passing efficiency of a narrowed road section. The control method comprises the steps: S1, the average speed, the flow and the traffic flow density, obtained at each sampling moment, of various types of vehicles in various lanes of various road sections are recorded; S2, a traffic flow prediction model is established on the basis of a Multi-Class CTM model and in combination with the number of vehicles for speed limiting and lane changing of different lanes, and a measured value serves as an initial condition for predictingfuture dynamic conditions of traffic by the prediction model; S3, based on the traffic flow prediction model, an objective function and constraint conditions of an optimization problem are established, and a finite time domain optimization problem is solved; and S4, the first element in the optimization problem solution sequence acts on the controlled object based on a rolling optimization framework of model prediction control, the next sampling moment is entered, and the steps are repeated until the whole sampling time period is completed. According to the scheme, the application speed and the traffic state change between different lanes within limited time after lane changing control are predicted, and the prediction precision is improved.

The invention discloses an adaptive service data distribution method in the IOV (Internet of Vehicles) environment based on opportunistic communication. The method comprises the steps: enabling adjacent vehicles or RSU to receive a Beacon message, judging the validity of the message, calculating an expected forwarding time delay if a forwarding condition is met, adding the expected forwarding time delay to a field, returning to RREP, enabling a vehicle or RSU at a former jump to execute the RREP response processing process after receiving the RREPs of the adjacent objects, returning an RREQ to an optimal next jump selected from a candidate object set, enabling a candidate object to judge whether all data packages arrive at a target position or not after the candidate receives the RREQ, enabling a forwarding vehicle or RSU to restart the new broadcast if not all data packages arrive at the target position till all data packages arrive at the target vehicle. The method achieves the effective distribution of service data in the IOV environment, improves the packet loss probability under the condition that other indexes and performances are guaranteed to be lossless, reduces the number of retransmission times, and reduces the time delay and the network expenditure.

A mini buried under ground vehicle detector comprises metal sensing detection coil and its oscillator unit, vehicle geomagnetic image detection unit, demodulation/commutation circuit unit, signal process/ logic process unit, signal transition/transmission interface unit that can also link sub-detector, power and shell. This invention can detect vehicle flowrate, road occupancy rate, speed, stopping time and temperature of road surface; widely used to monitor for traffic and park, management and command system; with low cost, little volume, modularization, high reliability; use total encapsulated out shell, buried under road surface; convenient and speed to assembly, and needs no maintenance; it can be also used to security alarm and monitor system.

The invention relates to an optimization method for a multi-bandwidth artery bus control scheme. The method includes the following steps: S1, in some lines having multiple intersections in a trunk line network, collecting trajectory data of multiple bus running lines according to detection points arranged at a certain distance, a bus adopting a bus priority strategy; and S2, optimizing the trafficflow that the bus is driven from a in the trunk line network from the previous intersection to the last intersection by utilizing a mathematical optimization model and adjusting periods, phase difference signals, car green wave bands and bus trajectory variables so that a optimization control scheme of the bus can be obtained. Compared with the prior art, the method can realize simultaneous optimal solution of sub-area division and green wave design, the suitable condition of the method is that the running situations of the bus are relatively stable, so that the bandwidths of a green wave bands can adapt the random fluctuation of the running of the bus, and therefore, the control effects of the bus priority strategy can be enhanced.

An occupancy based focused marketing system for augmenting market control techniques corresponding to one or more buildings of one or more building types within a geographic subsector is provided. The occupancy based traffic control system has a subsector occupancy aggregator, an other facility occupancy estimator, and a subsector market control processor. The subsector occupancy aggregator is configured to receive energy consumption and outside temperature streams corresponding to a portion of the one or more buildings, and is configured to employ occupancy components for each of the portion of the one or more buildings to process the streams, and is configured to generate average occupancy components corresponding to each building type within the portion of the one or more buildings and a first aggregated occupancy component for the first portion of the one or more buildings, where the occupancy components are generated by exclusively processing the streams. The other facility occupancy estimator is coupled to the subsector occupancy aggregator, and is configured to receive the average occupancy components, and is configured to match the average occupancy components to remaining ones of the one or more buildings not in the first portion according to building type, and is configured to generated a second aggregated occupancy component for the remaining ones. The subsector market control processor is configured to employ the first and second aggregated occupancy components to determine an occupancy estimate for the one or more buildings, and is configured to identify particular ones of the one or more buildings based on the occupancy estimate, and is configured to transmit targeted marketing messages to the particular ones of the one or more buildings directed towards increasing traffic flow.