200results about How to "Ease congestion" patented technology

The invention relates to an auxiliary decision optimization method for charging of an electric vehicle, in particular to a multi-source data based auxiliary decision optimization method for charging of the electric vehicle. By integral optimization on multi-source data, an optimal charging scheme of the electric vehicle is acquired, meanwhile, the effects of relieving traffic jam, reducing difference between peak and valley of a power grid and maximizing benefit of an electric vehicle owner are achieved, the optimization effect of the electric vehicle is developed on each aspect of the society to the greatest extent, and the auxiliary decision optimization method for charging of the electric vehicle has a good prospect.

The invention discloses a real-time dynamic judgment method and device for a road traffic state. The method includes the following steps: during a set period, GPS information transmitted by a set number of floating vehicles in a selected geographic area is acquired in a real-time manner in a data acquisition period; unreasonable GPS information is screened in the acquired GPS information; geographic position points, corresponding to geographic position information included in each piece of GPS information which is reserved after the screening, are projected respectively to road segments of an electronic map corresponding to a selected geographic area; and according to acquisition times and floating-vehicle identification information, which are corresponding to the geographic position points projected to each road segment, and the length and limit speed of a corresponding road segment, the traffic state of the corresponding road segment in the set period is determined. The real-time dynamic judgment method and device are capable of covering all road segments of a selected geographic area, large in applicable scope and high in judgment precision.

The embodiment of the invention discloses a method, a system and equipment for alarming and processing congestion, and relates to the technical field of wireless communication. The method, the system and the equipment are used for relieving the congestion state at a data receiving terminal. In the invention, the data receiving terminal in a data congestion state transmits an alarming message that the data receiving terminal is in the congestion state to a data transmitting terminal; and the data transmitting terminal adjusts lost packet control parameters of a sent message buffer queue in the data transmitting terminal according to the alarming message, so that the lost packet probability of the selected queue is increased, and the selected queue is subjected to lost packet control according to the adjusted lost packet control parameters. In the invention, the lost packet control parameters of the sent message buffer queue are adjusted at the data transmitting terminal to ensure that the lost packet probability of the data transmitting terminal is increased, so that the data packets transmitted to the data transmitting terminal are reduced; therefore, the congestion state at the data receiving terminal is effectively relieved.

The invention relates to a method for controlling traffic signal lights, wherein an intersection is provided with the traffic signal lights for controlling the travel of vehicles entering roads, and a central control system for controlling the display state of each traffic signal light; the traffic signal lights correspond to the roads in a one to one mode and display the conditions and travel directions of vehicles in the road; and the central control system determines the travel condition and the travel direction of each driveway according to the actual condition of the road. By adopting the method, the travel direction and the green light time of each driveway at an entering intersection can be controlled automatically, and the traffic capacity of the intersection is effectively used by controlling both the traffic direction and the traffic flow so as to reduce road congestions.

The invention provides a safety device for a passenger transporting apparatus, and a safety control method thereof. A laser scanning sensor (1a, 1b) is arranged near the exit of the passenger transporting apparatus to detect the movement of the passengers at a plane coordinate through the scanning of the laser scanning sensor. When the moving speed of the passengers is lower than a specified value, a voice prompt for prompting attention is generated by a speech synthesis device (11) and a loudspeaker (12a, 12b); when the jam of the passengers is lasted for a long time, a control inverter installation (8) generates frequency and voltage to reduce the speed of a drive motor (9) or stop the same. Thereby, under the states of direct sunshine by day, sunset shine at dusk, and less light at night, the moving speed of the passengers can be accurately detected to form the safety device.

The invention relates to a method for situation-display and dispersion of urban road traffic, which adopts electronic displays to display indications for running directions of lanes at road intersections in real time. The method comprises the following steps: (1) collecting and summarizing the traffic-jam situations of all road sections of a city through a traffic information center; (2) adjusting the number of lanes into different roads according to the road-jam situations of the road intersections in different driving directions; (3) displaying the running directions of the lanes through the electronic displays hung above the intersections; and (4) displaying the traffic-jam situations of trunk roads in every driving direction through the electronic displays hung above the intersections. The method has the advantages of automatically controlling the number of vehicles entering a certain road from a certain direction, compulsively regulating traffic flow of different roads, leading the vehicles jamming the road sections to run from road sections with no jams and helping to ease traffic pressure.

The invention discloses a congestion control method, a wireless netted network node and a system. The congestion control method comprises the following steps: receiving a congestion notification frame which is sent by a downstream node and carries the congestion price which corresponds to each access category data, wherein the congestion price which corresponds to each access category data is determined by the downstream node according to the transmission condition of each access category data of the downstream node; determining the optimized sending rate of each access category data according to the congestion price; and adjusting the sending rate of each access category data according to the optimized sending rate. Through the invention, the probability of congestion can be reduced, and the packet loss ratio of low priority traffic is effectively reduced on the basis of ensuring the quality of high priority traffic.

The present invention provides a point calculating apparatus capable of directing users to a particular transport mode among a plurality of transport modes.The point calculating apparatus collects congestion degree of each of cars from a plurality of in-car apparatuses, and collects congestion degree of each of trains from a plurality of collecting apparatuses. The point calculating apparatus calculates, based on the congestion degree of each train and each car, a train point and a car point such that the point increases as the congestion degree decreases. Also, the point calculating apparatus receives, from a terminal apparatus, usage information including a car code identifying a car used by a user and a usage time. If the usage information is valid, the point calculating apparatus transmits the train point and the car point corresponding to the train and the car used by the user, to the portable terminal apparatus.

Determining flow rules in a software defined network (SDN) of a plurality of forwarding devices includes determining, by a controller device, a network adjacency matrix of the SDN, wherein the network adjacency matrix represents a topology of the SDN; placing, by the controller device, a phantom node in the network adjacency matrix, wherein the phantom node does not physically exist within the topology of the SDN and the phantom node is attached to a first node with maximum degree in the network adjacency matrix to create a phantom adjacency matrix, wherein the first node corresponds to a first forwarding device in the SDN; and determining, by the controller device, an adverse condition in the SDN using the phantom node, wherein the controller device is separate from the plurality of forwarding devices.

The invention discloses a bidirectional red and green wave coordinated control method directed at a crowded intersection. The method includes the following steps: S1. selecting a plurality of signal intersections serving as the coordinated control range; S2. within the coordinated control range, determining a reference intersection; S3. calculating the ideal intersection spacing between the reference intersection and other intersections; S4. based the ideal intersection spacing and the actual intersection spacing, calculating a center ratio deviation; and S5. optimizing and adjusting the phase difference of the intersections, such that the center ratio deviation in the green wave band is zero. According to the invention, the method is suitable to main street intersections having signal arrangement, can implement red and green wave band control on crowded intersections, such that vehicles which leave the crowded intersections can rapidly leave the crowded intersections in green wave, and the vehicles come to the crowded intersections are controlled to come to the crowded intersections in red wave, so that the crowded state of the crowded intersections can be effectively alleviated.

The invention discloses a dynamic subscriber bandwidth regulation method, a dynamic subscriber bandwidth regulation system and a broadband network gateway, which relate to the technical field of communication. The method comprises that: the broadband network gateway receives a multicast addition request from a subscriber; the broadband network gateway acquires a bandwidth value of a multicast group into which the subscriber requests to be added; the broadband network gateway regulates unicast bandwidth conventionally configured by the subscriber into the bandwidth obtained by subtracting the bandwidth value of the multicast group by a committed access rate (CAR); and when receiving a multicast leaving request from the subscriber, the broadband network gateway recovers a unicast bandwidth CAR value. By the multicast-way-based subscriber bandwidth regulation method and the multicast-way-based subscriber bandwidth regulation system, dynamic subscriber bandwidth regulation is realized, the bandwidth resources of an operator can be effectively prevented from loss, the congestion degree of a downlink is reduced, and simultaneously, the multicast service experiences of the subscriber are improved.

The invention relates to a vehicle ad hoc network congestion control method based on associated power-rate adjustment. Information is exchanged between a current vehicle node and a neighbor vehicle node in a vehicle ad hoc network, and comprises a beacon message and an emergency safety message. The method comprises the following steps that: 1) the current vehicle node maintains a neighbor node list; 2) the current vehicle node acquires a congestion degree of a current vehicle ad hoc network within an observation interval by taking a channel utilization ratio, a packet passing rate and average transmission delay as evaluation standards of vehicle ad hoc network states; and 3) the current vehicle node controls congestion in different vehicle ad hoc network states according to the congestion degree of the current vehicle ad hoc network. Compared with the prior art, the method has the advantages that the congestion degree in the vehicle ad hoc network is assessed comprehensively; associated power-rate adjustment of the beacon message is performed according to an assessment result at the same time; and transmission power of the emergency safety message is controlled, so that the congestion degree of the vehicle ad hoc network is lowered effectively.

The invention reveals a parking lot navigation method, an apparatus and a system. The method comprises the following steps: obtaining geomagnetic intensity of a vehicle in an area; positioning the current position according to the geomagnetic intensity of the vehicle in the area and a geomagnetic distribution map of a parking lot; and navigating the vehicle from the current position to a target parking lot. The invention provides the parking lot navigation method, by obtaining the geomagnetic intensity of the vehicle in the area, the vehicle is positioned according to the geomagnetic intensityand the geomagnetic distribution map of the parking lot, the vehicle is navigated from the current position to the target parking lot, so that the vehicle can rapidly arrive an appropriate free parking space, parking efficiency of the parking lot is greatly increased, and jam problem of the parking lot is alleviated. By employing geomagnetic positioning, the geomagnetic can be used for all the parking lots, comprising underground parking lots without a GPS signal and indoor parking lots.

The invention relates to a traffic light control system with functions of violation snapshot and traffic dispersion, which comprises a local signal acquisition unit for acquiring local traffic state signals, a remote signal acquisition unit for acquiring remote traffic state signals, a snapshot control unit for controlling a snapshot camera, a traffic light control unit for controlling a traffic light, a travel direction control unit for controlling a driveway travel direction display, and a central control unit for generating a traffic light control command, a traffic travel direction command and a violation vehicle snapshot command according to local and remote traffic state data. The traffic light control system can achieve multiple functions of traffic light control, driveway travel direction control and traffic dispersion, traffic condition monitoring, violation vehicle snapshot and the like, and is helpful to improve the intersection traffic management level and the overall urban traffic management level.

The invention discloses a network-on-chip congestion control method based on a dynamic routing table, and belongs to the field of network-on-chip congestion control methods. The method comprises the following steps: defining the self-updating rule of the dynamic routing table; starting and initializing a network-on-chip; resolving an own dynamic routing table; determining non-fault adjacent nodes; and delivering data. According to the method, the dynamic routing table is adopted on the network-on-chip for the first time, the own current optical transmission path of the dynamic routing table can be dynamically updated and decided according to the current states of other nodes, and global awareness can be better shown; and optimal paths with smallest global congestion degrees to any other destination node are always saved in each dynamic routing table, so that convenience is brought to rapid reading and use, and the repeated operation time is shortened greatly. Moreover, through the method, frequent reading and writing operation among routing nodes can be reduced, the data computation amount is reduced, and the operation time is saved, so that network congestion is relieved and limited, and the data processing capability and throughput of the network-on-chip are increased.

The embodiment of the invention provides an information processing method in an IAB network, an IAB and a computer storage medium. The method comprises the following steps: a first data packet is acquired through a first IAB node; the first IAB node sends the first data packet to an IAB host, i.e., the first IAB node realizes forwarding of the data packet; flow control information is sent to a father node through an IAB node, that is, the flow control information is sent, so that congestion in an IAB network is relieved; through the configuration of the IAB host, the resource coordination in the IAB network is realized.

An information providing system includes a plurality of charging stations, a vehicle equipped with a power storage device, and a management server. The vehicle may charge the power storage device by using electric power supplied from the charging station. The management server may communicate with the vehicle and the plurality of charging stations. The vehicle sends information about a destination designated by a user to the management server. Upon receiving the information about the destination from the vehicle, the management server acquires congestion information indicating a congestion degree of a charging station installed in the destination among the plurality of charging stations and incentive information from a charging station installed around the destination among the plurality of charging stations, and sends the information to the vehicle. The vehicle displays the information sent from the management server to the user.

The invention relates to a corn popper with an automatic vending function. The corn popper comprises a body, and a storage box, a coin slot, a PLC, and a pour-out mechanism which are arranged on the body. The storage box includes a shell, a heating pan, a stirring rod, a discharge mouth, and a motor. The pour-out mechanism comprises an electromagnet, an iron block, a weighing plate, a spring, a guide groove, a rotating shaft, an electric shock mechanism, and a cup groove. The corn popper with an automatic vending function is clever in structure design. After coins are inserted, popcorn of certain weight can be weighed through cooperation of the spring and the weighing plate. The electromagnet absorbs the iron block to tilt and pour out the popcorns. Thus, the labor cost is reduced greatly, and congestion at the checkout is alleviated.

The invention provides a traffic accident processing method and device and a storage medium, and the method comprises the steps of obtaining the driving parameters of a vehicle in a preset time periodbefore collision when it is determined that the vehicle collides; obtaining the vehicle image, wherein the vehicle image comprises the environment information of the environment where the vehicle isin collision; and determining a collision responsible party according to the driving parameters and the environment information. According to the traffic accident processing method and device and thestorage medium provided by the invention, the scene information of the collided vehicle can be quickly obtained, then the responsible party of the traffic accident is determined, and the congestion condition of the road after the traffic accident occurs can be relieved.

The present invention provides a group management control device (10) which controls operation of a plurality of elevators, and a target storey registering device (21) which is equipped in an elevator hall for preserving target storeys. Target storey input which is performed in the target storey registering device is accepted (201). The number of waiting persons at the elevator hall is calculated (203). When a fact that the number of waiting persons is larger than a preset number is determined (204), an interchange storey (205) is set. Interchange storey and interchange elevator are displayed on a display part (212) of the target storey registering device for guiding (206,212-2). Furthermore the interchange storey and the interchange elevator are displayed in an elevator cage which goes to the interchange storey for guiding (209), thereby alleviating a crowd state in the conditions such as a condition the passengers take the elevator in a specific time period in a target storey preserving type elevator group management system.

The invention discloses a switch message congestion processing method. The method comprises the following steps: receiving a message through a port of the switch; detecting the occupancy rate of a cache space of the port; forwarding the message to an external memory in response to the occupancy rate reaching a preset rate; after a preset time period, continuing to detect the occupancy rate of thecache space of the port; and in response to the fact that the occupancy rate of the cache space of the port is smaller than the preset rate, sending a message meeting a preset condition in the external memory to the switch, and forwarding the message through a corresponding output port in the switch. The invention further discloses computer equipment and a readable storage medium. According to thescheme provided by the invention, by caching the forwarded and congested message and then forwarding the message out in a non-congested state, the traffic congestion condition of Ethernet switch equipment during forwarding can be relieved.

The invention relates to a congestion control method and system for multistage dynamic speed limit of an expressway. The congestion control system comprises a traffic flow detection device, a variable speed limit signboard and a control unit. A highway in a management and control area is divided into a plurality of sections by a plurality of sections, the traffic flow detection devices and the variable speed limit signboards are installed at the sections, the traffic flow detection devices are used for collecting vehicle driving data of each section within a preset time period, and the control unit judges the state of each section according to the vehicle driving data, determines a non-unblocked road section, and determines speed limit values of front n sections of the non-unblocked road section according to section traffic volume of the front N sections of the non-unblocked road section. The speed limit values of the front n sections of all the non-unblocked road sections are integrated, the speed limit of a variable speed limit signboard is updated, and dynamic speed limit management of multi-stage sections is performed by utilizing the variable speed limit signboard. The driving speed of the vehicles in the management and control area is controlled, the flow of the vehicles driving into the congested road section is reduced, and the traffic congestion condition of the expressway is relieved.

The present invention provide a method to report large-scale alarms on a optical transmission plane comprising steps below: (a) Acquiring all alarm information to be reported, structuring various alarms with the same position information into a message according to position information of each type of alarm in detailed frame structures of optical networks and recording other alarm state information with different bit positions; (b) Reporting one or a plurality of compressed alarm messages to a network control unit. The present invention organizes reporting of large-scale alarm information according to position information of various types of alarm in detailed frame structures of the optical network and mode of bit position, thus sharply reducing length of information to be reported, effectively alleviating communication link congestion and enhancing stability of the transmission network.

The invention relates to a road condition early warning system. The road condition early warning system comprises a plurality of image shooting devices, a monitoring center and a portable electronic device, wherein the image shooting devices are arranged in a plurality of monitoring areas so as to obtain real-time images of the monitoring areas; the monitoring center is used for obtaining the real-time images of the monitoring areas from the image shooting devices, analyzing the degree of crowding of a road according to the real-time images and marking the degree of crowding on map information; and the portable electronic device is used for obtaining the map information with marks of the degree of crowding from the monitoring center. The road condition early warning system enables a driver to obtain real-time and accurate road condition information at any time, and a correct road is chosen so as to prevent from losing time caused by traffic jams. Meanwhile, the traffic flow of a traffic jam area is reduced since the driver changes the route, so that the degree of crowing of the road is relieved. The invention further provides a road condition early warning method.

The present invention relates to a traffic road space multiplexing method and its supper layer vehicle said method is characterized by that on same road it utilizes running upper layer vehicles to form high and low differentiation of lower layer road lane and upper layer space lane so as to attain the space multiplexing of traffic road. The upper layer vehicle includes upper vehicle body and lower chassis, the width of upper vehicle body is greater than that of lower chassis, so that one side of chassis under the vehicle body can remain the road space through which other car can be passed, therefore said invention can raise road space utilization rate

An expressway with middle emergency lanes provided with movable fences comprises traffic lanes for opposite driving; the emergency lanes are arranged between the traffic lanes for opposite driving and are equivalent to central partitions; the movable fences are arranged between the emergency lanes and the traffic lanes for opposite driving; and the movable fences can be provided with one pair of openings with doors at intervals of 1-3 kilometers. The pushing-pulling type traffic control doors can be remotely controlled after a monitoring system is additionally arranged to achieve real-time diversion and adjustment of the traffic stream, and when some minor accidents happen and cause traffic congestion, one or more emergency lanes can be opened. The lanes are not blocked. The expressway is low in cost, safe and reliable, and can effectively relieve the congestion condition.

The invention relates to a liftable road traffic carrying method and a liftable road traffic carrying system. The liftable road traffic carrying system comprises a road running unit, a carrying unit and a lifting unit, wherein the lifting unit is arranged between the road running unit and the carrying unit. The carrying unit can be switched in two modes of normal running and lifting and avoiding descending by the aid of the lifting unit, when the carrying unit stays at the state of normal running and lifting, a vehicle running space is built between the carrying unit and the road running unit, other vehicles can pass from the vehicle running space; and when the carrying unit stays at the state of avoiding descending, the lifting unit drives the carrying unit to move downwards, the carrying unit is close to the road running unit, and at this time, the liftable road traffic carrying system can pass below pavement bridges.

The invention belongs to the technical field of urban transportation informatization, and particularly relates to a traffic jam time calculation method for a transition road segment. The method comprises the following steps that 1, a radar detector is installed and debugged; 2, the section flow of the upstream segment and the section flow of the downstream segment are acquired; 3, the traffic capacity of the transition road segment is calculated; 4, the queuing duration time is calculated; 5, the queuing dispersing time is calculated; 6, the traffic jam time is calculated. By means of the method, a traffic commanding center can remind a driver to reasonably set the car speed or reselect a travel route in advance, and then the maximum traffic capacity of the transition road segment is achieved on the premise that safe operation of the transition road segment is guaranteed. Even different emergency measures can be taken according to the different traffic jam times, so that reliable running of a whole traffic system in daily operation is guaranteed.

The invention discloses a congestion pre-judging and traveling route planning method as well as a traveling route planning system. The congestion pre-judging method is based on a concept of sequencing transportation means; and the traveling route planning method and the traveling route planning system are formed in conjunction with the congestion pre-judging method on the basis of automatically dividing the traveling route. By adopting the method and the system, the problem that the precision is lowered due to error accumulation can be effectively avoided.

The invention discloses a traffic priority control method for an emergency vehicle. A vehicle control mechanism, a vehicle identification mechanism, a jam computer, a radar transmitter and a traffic light manager are adopted, wherein the vehicle control mechanism is used for collecting license numbers of all vehicles on an urban road and corresponding vehicle position information; the vehicle identification mechanism comprises a first radar detector arranged in a detection area, a camera, first sending equipment and a first controller; the jam computer is used for searching a license number inthe detection area and corresponding vehicle position information to judge a jam situation; the radar transmitter is arranged in the emergency vehicle; the traffic light manager comprises a second radar detector, second sending equipment, a second controller, an automatic control mechanism and an emergency mechanism. According to the traffic priority control method for the emergency vehicle, an automatic-manual combined control system is arranged to make at least one emergency vehicle bedetained in the detection area have a traffic priority, so as to timely achieve functions of the emergencyvehicle, thereby alleviating the jam situation of the whole traffic.