59 results about "Near road" patented technology

The invention discloses an intelligent going-out and best carport navigation system and a navigation method of the navigation system. The intelligent going-out and best carport navigation system comprises an optimal path recommendation unit, a traveling car real-time positioning device, a parking guidance master controller, a wireless carport probe, a wireless network communication unit, a central processing unit (CPU) and a liquid crystal touch screen. The best running route is timely recommended on a liquid crystal display by the optimal path recommendation unit according to real-time road conditions, and the optimal path recommendation unit helps an owner to keep away from a blocking road section, so that the owner can arrive at the destination at the top speed. The parking guidance master controller can provide convenient parking lot carport information on the liquid crystal display, so that the owner can find an appropriate parking lot and the best carport with a nearest road in a short time, troubles of the owner for finding the carport are removed accordingly, parking time is saved, and parking speed is quickened. The intelligent going-out and best carport navigation system and the navigation method achieve car dynamic route guiding and carport best guiding functions, provide accurate and comprehensive traffic guidance information on the liquid crystal display, and improve traveling and parking efficiency and quality.

The invention discloses a safe vehicle passing system comprising an ambient road environment sensing system and a vehicle-mounted terminal. The ambient road environment sensing system is used for acquiring sensing information of an ambient environment of a road in real time, processing the sensing information to obtain driving assistance information of the vehicle, and sending the driving assistance information of the vehicle to the vehicle-mounted terminal. The vehicle-mounted terminal is used for receiving the driving assistance information of the vehicle and planning a driving track based on the driving assistance information of the vehicle and information collected by the vehicle. In addition, the invention also discloses a safe vehicle passing method based on the safe vehicle passingsystem. According to the invention, information various participants on road is obtained by scanning; near road environment information is provided for vehicles having V2X receiving devices fully; andthus the road right and safety of the vulnerable road user can be protected fully.

Disclosed is a lane level navigation method. High-precision positioning is performed on a vehicle and a road segment where the vehicle is located, and the high-precision positioning accuracy is not lower than the centimeter level. The method comprises the following steps that S20, a navigation path is planned for the vehicle according to road information and road condition information; S21, whether the distance between the vehicle and the nearest road intersection in the driving direction of the navigation path is smaller than or equal to a preset value or not is monitored in real time, if yes, the step S22 is executed; if not, the step S21 is executed continuously; S22, lane matching is performed; S23, whether the vehicle is located on the correct lane or not is judged, and the correct lane is a driving lane planned by a navigation center on the navigation path; if yes, the step S21 is executed again; if not, the step S24 is executed; S24, the path is planned to guide the vehicle into the correct lane, and after the vehicle passes through the road intersection, the step S21 is executed again. The lane level positioning method and system have the advantages that the positioning precision is high, the lane where the vehicle is located can be obtained in real time, the vehicle is planned and guided in real time to enter the correct lane, and the vehicle is not likely to miss the intersection where the vehicle needs to steer.

In order to perform vehicle control, a warning process, and the like which do not give a driver an uncomfortable feeling in speed adjustment, a warning process, and the like corresponding to a road shape such as a curve, it is necessary to recognize not only a near road shape but also a far road shape with high accuracy. A traveling environment recognition device includes: a measurement unit which measures a target object; a three-dimensional object detection unit which detects a three-dimensional object on the basis of a signal acquired by the measurement unit; a road shape prediction unit which predicts a road shape on which a target vehicle is traveling; a three-dimensional object selection unit which selects, from among the three-dimensional objects detected by the three-dimensional object detection unit, only a three-dimensional object within a predetermined range from a point of the road predicted by the road shape prediction unit; and a road shape estimation unit which estimates the road shape on the basis of position information of the three-dimensional object selected by the three-dimensional object selection unit.

A self-assembling network is configured to automatically and dynamically connect devices used in operations carried out on or near roads bearing vehicle and pedestrian traffic. An automatic, ad hoc network connecting existing and new devices can be used to enhance safety by gathering and exchanging safety critical information. In some cases, existing equipment can be augmented with a network controller and radio frequency communications to permit the devices to join a wireless local network and exchange information over the network. New devices, including wearable devices, can be configured to act as nodes on the wireless local network. Establishing the relative position of vehicles, sensors, wearables, and other nodes on the disclosed ad hoc wireless network allows the coordination of functions based on position.

A transmission and reception device is located at a predetermined height on a movable object and directed toward an outside. The transmission and reception device includes a transmission unit for repeatedly transmitting sensing waves at a predetermined interval and a reception unit for receiving reflective waves of the sensing waves from a detected object. A peak value detecting unit detects peak values of the received reflective waves and stores the detected peak values. A difference arithmetic unit calculates a difference in the detected peak values with movement of the movable object closer to the detected object. An object determination unit determines the detected object to be a near-road-surface obstacle, which is close to a road surface, when the difference is a negative value. The object determination unit determines the detected object to be an other obstacle than the near-road-surface obstacle when the difference is a positive value.

The invention relates to a pollution-free road surface dust depressor and an application method thereof. The pollution-free road surface dust depressor is prepared from the following components in parts by weight: 2.0 to 4.0 parts of a moisture absorbent, 0.5 to 2.2 parts of a humectant and 0.3 to 1.0 part of a binding agent. After the road surface dust depressor provided by the invention is sprayed, the average reduction capability of PM10 (Particulate Matter 10) can reach 36.8mu g / m<3> and the average reduction capability of PM2.5 (Particulate Matter 2.5) can reach 20.1mu g / m<3>. When the road surface dust depressor provided by the invention is sprayed, the condition that the concentration of particulate matters is increased, caused by a vehicle, can be effectively inhibited, and the concentration of atmospheric particulate matters in a near road surface range can also be reduced. A sprayed road surface still has a good dust depression effect, and the effective time can last for 2 to3 weeks.

A map region is analyzed by a mobile device or by a server. The map region including one or more road segments is identified. Multiple points are selected from the map region. From each of the selected points, a distance is measured from the selected point to a nearest road segment of the one or more road segments. A road density value is determined from the distances. The road density value may be based on an average of the distances. In one example, the road density value is an inverse of the average of the distances. The road density value may be a parameter for matching subsequent probe points to a road segment in the map region.

The invention discloses an automatic control method and an automatic control system for an exterior rearview mirror of an automobile, and belongs to the field of automatic control. In the method and the system, the exterior rearview mirror is adjusted by comparing a linear distance between the exterior rearview mirror and the nearest road edge or object edge with a preset minimum distance; and the method and the system improve the traffic ability and the driving safety of the automobile, improve pedestrian protecting function of the vehicle, effectively avoid accidents that the vehicle bumps or hurts pedestrians caused by insufficient space on the lateral part of the vehicle, and have the advantages of convenient use and high driving safety. The invention provides another method and another system; that whether the automobile is in a parked state is judged by receiving signals; and the exterior rearview mirror is automatically folded or unfolded on the basis; therefore, the mirror surface can be protected, the automobile parking space can be reduced, and the scratching is effectively avoided; meanwhile, when the automobile is started, the exterior rearview mirror is automatically unfolded, and favorable guarantee is provided for safe driving.

The invention discloses a traffic flow distribution estimation and camera layout optimization method in traffic large data collection. By using a spatial constraint relation for traffic flow distribution among urban road network nodes, data of a monitoring blind point are reasonably deduced through already collected traffic flow data. The method comprises specific steps: according to a spatial topological relation between an observation point and a near road section or an intersection, a traffic flow correlation mode between each other is determined; with the help of traffic flow data provided by upstream and downstream adjacent nodes, a traffic flow parameter of the current observation node in a single hop link is calculated; with the current observation node as a starting point, observation nodes in a multi-hop link are tracked sequentially; a traffic flow parameter in the case of multi-hop link is calculated; and the traffic monitoring camera layout is optimized. The existing traffic collected data are made full use of, the spatial distribution density of the collected urban traffic information is improved, and a scientific basis is provided for reasonable layout of traffic data collection equipment.

The invention provides a processing method of a reverse geocoding processing system, and relates to a processing system converting geographical coordinates into corresponding address descriptions and a processing method of the processing system. The processing method comprises the steps of 1) obtaining geographical location information data; 2) conducting processing and storage; 3) loading the data stored in the step 2); 4) searching a cache system of the step 3) for names corresponding to the coordinates, 4.1) searching for province name information, 4.2) searching for city name information, 4.3) searching for district / county name information, 4.4) searching for nearest ground feature information, and 4.5) searching for nearest road information; 5) combining search results into a complete address description and returning the address description to a requester.

The invention discloses an automobile-based automobile incoming prompt system and an automobile-based automobile incoming prompt method. The system comprises a positioning device and a wireless transceiver mounted in an automobile, wherein the positioning device is in communication connection with the wireless transceiver device; the positioning device acquires current position information of the automobile and sends to the wireless transceiver of the automobile; and the wireless transceiver of the automobile sends out the current position and speed information of the automobile and receives data information sent by wireless transceivers of other surrounding automobiles as well as marks automobile incoming situations around the automobile in the positioning device of the automobile or transmits the automobile incoming situations around the automobile to other display devices of the automobile for display. Hence, a driver can clearly know the automobile incoming situations about near roads, particularly under the condition of lower visibility or in curved roads, so that the driver is convenient to take precautionary measures, and therefore, collision accidents with incoming automobiles is effectively reduced and the driving safety is improved.

The invention provides an user position information processing method and device, the method comprises: determining the current position of an user terminal within a target region; according to a road map of the target region, determining a nearest road of the current position; correcting the current position according to the road to obtain a corrected position, using the corrected position as a current actual position of the user terminal for position based services. By correction of the current position of a user according to the nearest road of the current position of the user, the accuracy of the position of the user can be effectively improved, so that processing results of application services based on the position of the user may be more accurate.

A map generating device constructed to generate a map wherein character rows of a first kind which are disposed near road symbols representing roads selected as a route from a start point to a destination point and which identify buildings and other facilities, for example, are oriented according to respective different directions of movement of the user of the map on the respective roads toward the destination point, so that the character rows of the first kind can be easily read by the user tracing the route while relying on the character rows of the first kind. Also disclosed is a memory medium storing a map generating program which is executed by a computer to generate the map.

The invention discloses an information processing method and an electronic device. The method comprises the steps of obtaining current map information; continuously obtaining current position information of the electronic device through a positioning module; obtaining a current driving state of the electronic device; according to the map information, the current position information of the electronic device and the current driving state of the electronic device, calculating a first parameter between the electronic device and a nearest road branch point; judging whether the first parameter meets a first preset condition or not; and when the first parameter meets the first preset condition, reducing a positioning frequency of the positioning module, wherein the positioning frequency is a positioning signal update frequency of the positioning module.

A sweeper comprises a sweeper body, a trash bin, a cleaning device and a cleaning drive mechanism. A rotary cleaning disc is disposed on a near-road-edge side of the sweeper body and provided with a support and a rotary shaft rotatably connected with the support, a plurality of rotating arms are radially disposed on the rotary shaft, a cleaning broom is disposed at one end of each rotating arm, the support is provided with a lifting cam, and each rotating arm is provided with a driven bar in sliding contact with the lifting cam. Outside the sweeper body, bristles of the cleaning brooms elastically and slidably contact with the ground and enter pits or slits for cleaning under elasticity. A lateral cleaning device is disposed on the other side of the sweeper body. A rear cleaning device is disposed at the rear of the sweeper body. Dust and dirt can be collected into a garbage bucket, and secondary splash of dust and dirt can be prevented. Using the sweeper can solve the problem that road cleaning quality is severely affected due to the fact that dust and dirt in pits or slits cannot thoroughly cleaned with bristles of rotary wheel brushes of an existing sweeper, and implementation of mechanization of road sweeping vehicles is quickened.

In order to perform vehicle control, a warning process, and the like which do not give a driver an uncomfortable feeling in speed adjustment, a warning process, and the like corresponding to a road shape such as a curve, it is necessary to recognize not only a near road shape but also a far road shape with high accuracy. A traveling environment recognition device includes: a measurement unit which measures a target object; a three-dimensional object detection unit which detects a three-dimensional object on the basis of a signal acquired by the measurement unit; a road shape prediction unit which predicts a road shape on which a target vehicle is traveling; a three-dimensional object selection unit which selects, from among the three-dimensional objects detected by the three-dimensional object detection unit, only a three-dimensional object within a predetermined range from a point of the road predicted by the road shape prediction unit; and a road shape estimation unit which estimates the road shape on the basis of position information of the three-dimensional object selected by the three-dimensional object selection unit.

The invention discloses a rapid disposal method for diseases near a road manhole. The rapid disposal method comprises the following steps: step 1, digging a foundation pit by taking a manhole mouth as a center, and cleaning the foundation pit so as to ensure that the surroundings of the manhole are clean and do not have sundries; step 2, mounting a manhole mouth template for concrete pouring according to the shape of the digged foundation pit; step 3, performing cast-in-place by adopting concrete mortar prepared in advance; and step 4, after concrete setting, dismounting the manhole mouth template, removing laitance on the surface of the concrete, performing surface galling, and then carrying out surface screeding. According to the rapid disposal technology, construction is convenient, the open traffic speed is high, time and traffic benefits are very obvious, and the generated economic benefits are also obvious.

The invention relates to a vehicle identity identification automatic billing charging pile which comprises an LCD device, a charging pile body structure, a Freescale MC9S12 chip, an SDRAM memory card, a target matching device and an annular coil detection device. The charging pile body structure is used for charging a battery pack of an electric vehicle. A radio frequency identification device is used for detecting whether a vehicle passes through a road nearby or not. The SDRAM memory card and the target matching device are operated in a cooperative manner and used for identifying whether the vehicle passing by is an electric vehicle or not. The Freescale MC9S12 chip is connected with the LCD device, the target matching device and the annular coil detection device and used for controlling the LCD device to display related information of the vehicle on the near road locally. By the adoption of the vehicle identity identification automatic billing charging pile, a traditional contact type IC card vehicle identity identification manner is changed into a non-contact NFC identification manner, so that the identification accuracy of an identity identification system is improved, and the identification range of the identity identification system is enlarged.

The invention provides a snow melting slip proofing agent and a preparing method thereof. The snow melting slop proofing agent is prepared from a reactant A which is one of alkali metal fatty acid salt, alkaline-earth metal fatty acid salt, alkali carbonate or alkaline-earth metal carbonate, a reactant B alkali metal hydroxide and a reactant C which is one of alkaline-earth metal hydroxide, alkali metal sulfate, alkaline-earth metal sulfate, alkali metal silicate or alkaline-earth metals silicate. The snow melting slip proofing agent can promote the snow melting effect; due to the fact that the snow melting slip proofing agent can be dissolved in water, continuity of the snow melting effect is improved when the snow melting slip proofing agent is dissolved in water slowly, no harmful influence is caused on the human body, plants and animals near roads and the environment, icy pavement can be prevented, and metal corrosion of automobiles, road markings and the like can be prevented.

The invention discloses a method and a device for determining road section on the basis of position and a storage medium and belongs to the technical field of navigation. The method includes: based ontarget position information and a preset navigation map, determining nearest distance between a road section closest to a target position and the target position in multiple road sections included inthe preset navigation map, wherein the target position is a position indicated by the target position information; determining a target range matched with the target position information on the basisof the nearest distance; determining a target road section corresponding to the target position information in the road sections in the target range. By adopting a multi-adsorption mode, deviation caused when navigation routes are planned on the basis of the nearest road section only is avoided, and accuracy of navigation route planning is improved.

The invention provides a method and a device for performing comprehensive energy saving on an urban rail transit system. The method and the device are characterized in that a traction power supply system of the urban rail transit system is powered intermittently at stations and near road segments; an energy-saving AC permanent magnet synchronous motor is used as a traction motor of an electric transmission system of an urban rail transit train; and in braking, a supercapacitor set recycles the kinetic energy of the urban rail transit train. An in-train environment control system and a train control system are powered by a battery pack and a supercapacitor box. The battery pack and the supercapacitor box are charged at positions with electricity energy.

The invention discloses a protection and excavation method for steep mountains near existing roads. The method comprises the following steps that firstly, near roads are widened and rerouted for protection; then, GPS2 flexible active protection devices are pre-set up on the mountains of excavation sections of the near existing roads for pre-protection; then, SNS flexible passive protection devicesare adopted for double-layer pre-protection; and finally, the protected mountains are excavated in a layered and segmented mode in sequence from tops to bottoms and from insides to outsides, and whenexcavation is carried out at one working height each time, one passive protection device is dismantled till excavation is carried out at the designed elevation of the mountains. According to the method, the method is used for excavation construction of the steep mountains near the existing roads for bridges and roads, the safe operation of the roads can be guaranteed, the safety of surrounding residential buildings can be guaranteed, the damage range of excavation flying stones and mountain rolling stones can be effectively controlled, the construction is safe and reliable, compared with theprior art, the method is good in economical efficiency, and the method can be widely applied to excavation construction of the steep mountains near the existing roads for bridges and roads.

The invention relates to the technical field of road management and in particular discloses a road congestion prompting method, device and system as well as a road monitoring device. The method comprises the following steps: acquiring vehicle information, monitored by a road monitoring device, of a corresponding road section; according to the vehicle information, judging whether the road section is congested or not; if the road section is congested, sending a congestion warning signal showing that the road section is congested; if the road section is not congested, judging whether congestion information broadcast by other road monitoring devices at the same side in front of the road section is received or not; if the congestion information is received, acquiring the road monitoring devicethe nearest to the road section from the other road monitoring devices broadcasting the congestion information; calculating a distance between the road section and the nearest road monitoring device;and when the distance is smaller than a first preset distance, sending out a deceleration warning signal. Therefore, by utilizing the scheme of the invention, a warning can be given when the road is congested, and the problem that road congestion can not be prompted by virtue of a road facility is solved.

The invention discloses a modular environment noise reduction system. The modular environment noise reduction system is characterized in that the modular environment noise reduction system is a noisereduction system composed of a main control circuit module, a pickup and speakers, noises collected by the pickup undergo signal processing by the main control module, and an output control signal isoutput in sound waves, having the inverse phase and the same amplitude with a noise signal of an environment, through the speakers, and is superposed with the noise signal of the environment to achieve the purpose of reducing the environmental noises. Compared with noise reduction systems in the prior art, the modular environment noise reduction system in the invention has the advantages of no blind noise reduction angles, great improvement of the noise influences of residence communities and hotel rooms near roads and busy streets, good reduction of disturbing noises of pump houses of the communities, transformer stations and other public places, simple structure, convenience in use, and good noise reduction effect.

The present invention generally relates to an apparatus for traffic control and safety. More particularly, the present invention provides a platform adapted to support a flagman and optionally a pole mounted sign to control the flow of traffic near road construction or other similar sites.