339 results about "Footpath" patented technology

The invention discloses a sidewalk damage detection method and device based on deep learning, electronic equipment and a program product. The method is realized through a trained detection model, a DS-HAF module is introduced into a model neck network, and multi-scale feature fusion, channel-space joint attention enhancement and bidirectional residual error guided deep and shallow feature dynamic enhancement fusion are performed, so that the collaborative effect of detail and semantic expression is optimized, and complex background interference is effectively inhibited. An MAGRDet detection head is introduced into the detection network, multi-branch feature extraction and alignment fusion are realized through an MAGR module, and the detection capability of small targets, low-contrast targets and shielded crack targets is improved through a channel-space cascade attention modulation fusion result. And meanwhile, an MDPAR module is introduced into the backbone network, so that efficient and robust cross-scale feature extraction is realized, and the perception capability and the anti-interference performance of the model on multi-scale sidewalk cracks and damages are improved while low calculation overhead is maintained.

In one embodiment, a method includes determining vibration signals detected by a personal mobility vehicle, determining that the vibration signals correspond to an unexpected event occurred to the personal mobility vehicle, generating a feedback signal corresponding to the unexpected event, and transmitting the feedback signal corresponding to the unexpected event.

The invention relates to the technical field of intelligent image detection, and discloses an AI detection system for sidewalk brick arrangement, and the system comprises a compensation calibration block which constructs a dynamic standard knowledge graph, updates the knowledge graph, and achieves the real-time calling and parameter association; the radar cooperation module is used for realizing illumination self-adaptive adjustment through reflection intensity partition, dynamically selecting a filtering kernel in combination with a gray scale standard deviation, and correcting perspective correction in combination with a road surface curvature fitted by laser radar point cloud; the training reasoning module is used for enhancing visual small target detection through laser radar depth features and dynamically adjusting loss contribution through standard parameters; the coupling calculation module is used for coupling indexes of geometric accuracy, defect quality and scene adaptation into multi-dimensional compliance through composite operation, and judging according to the multi-dimensional compliance; and the feedback updating module is used for constructing a feedback closed-loop model of federal incremental learning, manually feeding back and collecting false detection / missing detection cases through a mobile terminal, and updating the dynamic standard knowledge graph.

Systems, methods, and other embodiments described herein relate to guiding a user travelling along a path. In one embodiment, a method includes predicting, by a processor, a behavior of a user based on at least sensor data received by the processor. The user is travelling on a pedestrian path. The method further includes, in response to a predicted behavior, controlling a guide, by the processor, to output the guide along the pedestrian path to direct the user.

The invention relates to the technical field of computer vision, in particular to a face recognition intelligent footpath terminal system applied to a scenic spot, which comprises a face image acquisition module, a feature point positioning module, a vertical motion analysis module, an energy consumption judgment module and a data communication module. According to the method, a time sequence vertical velocity difference and vertical kinetic energy quantification model is constructed through the displacement of the eyebrow arch key points in the continuous image, and movement intensity periodic data is formed by continuous displacement change, acceleration amplitude and duration, so that the local fine movement of the face is stably analyzed; dynamic behavior characteristics are kept in differential expression in illumination fluctuation and attitude change environments, so that the system obtains higher dynamic judgment consistency in a complex footpath scene, the accuracy and continuity of passenger flow recognition and behavior statistics are enhanced, uploaded data have clearer motion quantification significance and reliability, and the system is more suitable for popularization and application. And the problems of statistical offset and judgment lag caused by dynamic environment interference are improved.

The invention discloses an unmanned engineering machinery steer-by-wire system and a control method in the technical field of vehicle chassis and steering systems. The unmanned engineering machinery steer-by-wire system comprises four wheels and steering modules, wherein the steering modules are in one-to-one correspondence with the four wheels, are completely independent and have the same structure; the corner deflection of the four wheels is cooperatively controlled through a distributed electronic control system; and each wheel is driven by a hub motor. Through four-wheel steering, the minimum turning radius can be 0 m, the trafficability in narrow roadways, sidewalks and obstacle dense areas is improved, meanwhile, four-wheel steering is independently controlled, special movement forms such as transverse translation and oblique advancing are supported, and the four-wheel steering robot is particularly suitable for high-precision operation requirements such as urban road edge stone attaching and sweeping; four-wheel independent main pin steering is combined with a hub motor and distributed redundancy control, so that the reliability, the function safety and the maintainability of the system are remarkably improved, and the system is particularly suitable for unmanned engineering machinery to work for a long time in narrow, complex and severe environments.

A system for controlling animal pests that is to be used on roads through a module forming part of a sidewalk that has at least one entry for animals to access an inner chamber of the module, this chamber being configured to contain poison, a placebo and / or traps for the animal pests to be treated.

The invention relates to the technical field of bridge construction, in particular to a bridge sidewalk expansion joint and a construction method.The bridge sidewalk expansion joint comprises an L-shaped foundation plate and a nut arranged on the L-shaped foundation plate, a dustproof plate is arranged on the upper surface of the L-shaped foundation plate, and an expansion joint groove is formed in the upper surface of the dustproof plate; a U-shaped expansion joint groove is formed in the U-shaped expansion joint, a plurality of kidney-shaped holes are formed in the U-shaped expansion joint groove, a sleeve maintenance box is arranged on the upper surface of the U-shaped expansion joint groove, a fixing plate is arranged in the sleeve maintenance box, a cavity between the U-shaped expansion joint groove and the sleeve maintenance box is filled with oxygen asphalt, and bolts sequentially penetrate through the fixing plate, the kidney-shaped holes and a dustproof plate from the interior of the sleeve maintenance box. The nut is in threaded connection with the nut; the industrial problem that a traditional expansion joint must be wholly chiseled away and reconstructed due to damage of internal components is fundamentally solved, and the later maintenance cost and difficulty are greatly reduced.

This invention discloses a storm drain device for non-motorized vehicle lanes, relating to the field of municipal engineering technology. It aims to solve the problems of limited drainage area, easy blockage by lightweight debris, high maintenance and cleaning difficulties, and high maintenance costs associated with commonly used combined storm drains in existing technologies. The technical solution adopted is that the storm drain grate is connected to the storm drain well. The storm drain grate includes a main drainage grate, an auxiliary drainage grate, and a sludge removal grate. The main drainage grate, auxiliary drainage grate, and sludge removal grate correspond to the positions of the non-motorized vehicle lane surface, the curb, and the sidewalk, respectively. Through a multi-outlet water collection design, the total drainage area of ​​a single set of storm drains is significantly expanded, accelerating the stormwater runoff speed on the non-motorized vehicle lane surface and reducing water accumulation at the source. Furthermore, the height of the auxiliary drainage outlet matches the curb, and the spacing is consistent with the main drainage outlet, complying with municipal road construction specifications and requiring no changes to the original road foundation structure.

The utility model relates to a river channel guardrail greening device, a guardrail and a greening mechanism arranged on the guardrail, the guardrail is provided with a first face facing water flow, a second face facing sidewalks, a transverse ejector rod convenient to hold by hands and a blocking fence arranged in the vertical direction, and the greening mechanism comprises a plant frame, a turnover fixing plate and a locking piece; the plant frame comprises a first abutting part and a second abutting part, the first abutting part is provided with a first abutting face, the second abutting part is provided with a second abutting face, the first abutting face is perpendicularly connected with the second abutting face, the first abutting face abuts against the transverse ejector rod, and the second abutting face abuts against the second face; the turnover fixing plate is rotationally connected with the first abutting part; when the turnover fixing plate is turned over to be attached to the first face, the locking piece sequentially penetrates through the gap between the turnover fixing plate and the blocking fence and is fixedly connected with the second abutting part, so that it is guaranteed that the greening mechanism is stably installed, the stability of the greening mechanism is greatly improved, and especially in severe weather, long-term safe use of the device is guaranteed.

This invention provides a construction method for improving the drainage capacity of road structures, relating to the field of drainage function technology for the renovation and upgrading of old roads. It separates water bodies between the upper and lower structural layers and the original ground surfaces on both sides of the road structure layer by forming an emulsified asphalt layer and waterproof geotextile. A rapid drainage structure is formed using a concrete pavement crushed stone layer, filled with crushed stone, drainage geogrids, sidewalk rubble, a filter layer, and drainage pipes. This achieves rapid drainage of the road structure, ensuring the stability of the road structure layer in the renovation of old pavements, reducing differential settlement caused by groundwater and other factors, and avoiding disturbance to the road and the resulting reflective cracks. This invention improves the drainage performance at the junction of sidewalks and roads, reducing water disturbance problems.

The utility model discloses a trough beam structure capable of separating pedestrians from vehicles, belongs to the field of bridge engineering, and solves the problems that the clearance below a bridge is difficult to meet the flood discharge requirement after the bridge is level-crossed with a dike, the noise and tail gas pollution of a motor vehicle lane is serious, and the pedestrian experience feeling is poor. A channel beam is of a channel structure formed by a bottom plate and web plates on the two sides of the bottom plate, cantilever plates are arranged on the two sides of the channel beam respectively, and bridge railings are arranged on the outer sides of the cantilever plates. The bottom plate is used for arranging a motorway, and the cantilever plate is used for arranging a sidewalk. By adopting the through channel beam structure and the cantilever slab overhanging structure, the height of the bridge building is effectively reduced, navigation and flood discharge clearance under the bridge are ensured, and roads on two banks do not need to be lifted; the webs on the two sides of the channel beam are used for conducting hard isolation on a sidewalk and a motorway, separation of people and vehicles is achieved, potential safety hazards are reduced, and noise and tail gas are isolated.

The invention relates to an overwater self-floating sidewalk system. The sidewalk is combined with a sludge discharge pipeline and comprises a plurality of sidewalk devices, the sidewalk device comprises a supporting base located above the sludge discharging pipeline and a left buoy and a right buoy which are located on the two sides of the sludge discharging pipeline respectively, a plurality of pipeline fixing supports are installed at the bottom of the supporting base and combined with the sludge discharging pipeline, and a plurality of buoy fixing supports are further installed on the supporting base. The two buoys are fixedly connected with the left part and the right part of the buoy fixing brace respectively; detachable rigid footpath plates are fixedly installed on the top of the supporting base, safety guardrails are fixedly installed on the two sides of each rigid footpath plate, and a flexible footpath plate is installed between the ends of every two adjacent rigid footpath plates. The overwater self-floating sidewalk system provided by the invention gets rid of dependence on auxiliary ships, improves the efficiency of personnel flow, reduces the overall operation cost, and improves the safety of personnel to a certain extent.

The invention provides an escalator remote function safety device based on a safety PLC and a control method, and relates to the technical field of elevator safety control, and the escalator remote function safety device based on the safety PLC comprises an AI abnormal behavior detection module; a master control room monitoring and output module; a signal transmission module; an escalator control cabinet detection module; and a safety loop control module. By means of AI behavior recognition, safety PLC closed-loop control and remote signal transmission, remote emergency stopping of the escalator under the abnormal working condition is achieved, the SIL2 safety integrity level requirement of the IEC61508 standard is met, and the system is suitable for escalators and moving sidewalks in crowded places such as shopping malls, subway stations and airports.

A grate frame assembly including an embed grate frame and an anchor which is installed on the embed grate frame onsite without tools or welding. The embed grate frame includes a main body, a protrusion, and a leg. The anchor has a body with a support end and an attachment end. The attachment end is selectively engaged with the protrusion. The leg of the embed grate frame is configured to engage a concrete form. The support end of the installed anchor contacts a wall located a distance from the concrete form. Together, the anchor and the leg on the embed grate frame hold the main body in place so that a compound material can be poured into a free space defined between the wall and the concrete form. The compound material secures the embed grate frame into a surface such as a sidewalk or road.

A device and method for providing information for a vehicle. The device includes an object recognition module that photographs a front image of the vehicle and recognizes an object located outside the vehicle, a processor that recognizes a road surface as a road irradiation area, a sidewalk irradiation area, and a boundary area between the road irradiation area and the sidewalk irradiation area based on the photographed front image, and separately generates a driving information image and a walking information image based on the photographed front image, and an image output module that irradiates the driving information image adjusted to a size corresponding to the road irradiation area to the road irradiation area and irradiates the walking information image adjusted to a size corresponding to the sidewalk irradiation area to the sidewalk irradiation area.

The utility model relates to the technical field of road construction, in particular to a spraying mechanism of a line drawing robot, which comprises a frame, a running device, a main spraying device and a side spraying device, the running device comprises running wheel sets arranged on two sides of the frame, the main spraying device is arranged on the frame, and the side spraying device is positioned on the outer side of the running wheel sets. In practical application, spraying operation of road edges, narrow sidewalk boundaries or parking space lines in parking lots is often difficult to efficiently complete in a traditional mode due to space limitation. The side edge spraying device can be tightly attached to the road edge, so that the spraying range is flexible, and the spraying precision is precise. The side edge spraying device improves the operation efficiency and the spraying quality. And the time and cost consumption caused by manual adjustment or repeated spraying for covering the narrow edge area is reduced. According to the utility model, the limitation of the traditional spraying mode in narrow space operation is solved, and the spraying device has efficient and accurate spraying capability.

The present invention relates to a crosswalk pedestrian protection system linked to traffic lights. The crosswalk pedestrian protection system linked to traffic lights, according to one aspect of the present invention, comprises: a camera unit provided to photograph a crosswalk and a pedestrian path or road adjacent to the crosswalk so as to acquire a crosswalk image by photographing the crosswalk and the pedestrian path or road; a control server which receives, from a plurality of traffic lights or a plurality of traffic light controllers, traffic light control signals for causing the traffic lights to display a blinking indication according to traffic signals including a red light, a yellow light, a green light, a U-turn signal, a left-turn signal, and a right-turn signal, and which generates and outputs a control signal for controlling road signs according to the traffic light control signals; and the road signs which are provided along the crosswalk and the pedestrian path or road adjacent to the crosswalk and blink according to the control signal output from the control server.

Provided is a traffic simulation for controlling a motion of an object, such as a vehicle, a pedestrian moving on a road or a pavement, in a driving simulation, an autonomous driving simulation, or the like. A traffic simulation method according to an embodiment of the present disclosure includes the steps of: importing a new moving object into a simulation environment of a simulator; retrieving data of a moving path and a start point of the moving object which is created based on a function, among pre-stored data; calculating 3D coordinates regarding a position of the moving object; moving the moving object along the moving path in the simulation environment, based on the calculated 3D coordinates; and calculating a next position of the moving object.

The application relates to the technical field of aviation ground equipment, and discloses an intelligent boarding system and a control method thereof. The system comprises an intelligent escalator and an intelligent boarding ladder. The intelligent escalator has full autonomous moving and scheduling capabilities. The intelligent boarding ladder is integrated with a double-layer telescopic "moving sidewalk" mechanism, a passenger flow sensing and regulating system, a high-precision self-adaptive docking execution system and a barrier-free power-assisted system. The control method comprises six steps of task receiving and scheduling, model identification and docking confirmation, multi-sensor cooperative positioning docking, intelligent passenger flow monitoring and regulation, barrier-free mode response and task end withdrawal, and realizes unmanned and intelligent operation of the whole boarding process. The application solves the problems of low efficiency of traditional boarding equipment passenger flow management, low precision of model adaptation, lack of barrier-free service and the like, has the advantages of high docking precision, safe and reliable operation, high space utilization and good humanized experience, and can significantly improve the airport operation efficiency and passenger boarding experience.

As shown in the reference diagram showing the state of use, this product is a panel for a protective fence installed at the boundary between a roadway and a sidewalk, and is spanned between posts and attached with bolts, nuts, etc. As shown in the reference diagram showing the state of use, this product is installed on conventional posts, making the fence higher than the post height, making it difficult for pedestrians to easily step over and climb over, thereby deterring dangerous road crossings and running out into the road.

The invention relates to a method for monitoring a rotary motion of a gear (13) in the drive (3) of an escalator (1), comprising: receiving a sensor signal (21), which was generated using a sensor (15) to scan the teeth (17, 17a, 17b) of the gear (13), in a signal processing device (19); detecting pulses (25) by scanning the sensor signal (21), the pulses (25) are counted by assigning a count value (37) to each pulse (25), each pulse (25) is also assigned a time value (39) indicating a time interval between the pulse (25) and the next pulse (25); Perform the following steps for each detected pulse (25): select a reference time value (41) by comparing the count value (37) assigned to the detected pulse (25) with a list (43) that assigns reference time values ​​(41) to possible count values ​​(37);determine a deviation of the time value (39) assigned to the detected pulse (25) with respect to the selected reference time value (41); based on the deviation, detect if the gear (13) is rotating at the desired speed.

The invention provides a mountain forest fire-fighting inspection method based on unmanned aerial vehicle cluster collaborative operation, and the method comprises the following steps: 1, carrying out region division and equipment initialization, dividing a forest region into lanes, walkways and a stream zone based on a GIS map and field exploration, and inputting the coordinate information of the lanes, the walkways and the stream zone into an unmanned aerial vehicle and inspection vehicle control system; 2, setting inspection grades according to forest region division, and planning an inspection path and inspection time according to the inspection grades to detect fire behaviors; 3, fire behavior grades are divided according to the sizes of the fire behaviors, and the corresponding unmanned aerial vehicle clusters are dispatched to extinguish the fire behaviors according to the fire behavior grades; and 4, material supply and fire scene review. According to the invention, real-time routing inspection can be carried out on the mountain forest without depending on fixed monitoring equipment, the deployment cost is low, and the monitoring reliability is higher.

The utility model belongs to the technical field of crawling ladder reinforcing equipment, and particularly relates to a crawling ladder reinforcing structure used in a sidewalk inspection well, which comprises a crawling ladder main body and a reinforcing assembly, and the reinforcing assembly comprises a first reinforcing plate and a second reinforcing plate which are arranged under the crawling ladder main body. Sliding grooves are formed in the surfaces of the upper ends of the first reinforcing plate and the second reinforcing plate, sliding blocks are slidably connected to the inner walls of the sliding grooves, and inserting vertical rods are fixedly installed on the surfaces of the upper ends of the sliding blocks and used for being inserted into the inner wall of the lower end of the crawling ladder body. According to the ladder stand reinforcing structure used in the sidewalk inspection well, the sliding blocks, the inserting vertical rods and the transverse adjusting mechanisms are designed, so that ladder stand bodies with different widths can be effectively fixed through the ladder stand reinforcing structure used in the sidewalk inspection well; and the sliding blocks flexibly move in the sliding grooves and are matched with the locking function of the limiting insertion rods in the limiting insertion holes, so that the reinforcing structure can be tightly attached to the inner wall of the lower end of the crawling ladder body, and the reinforcing stability and safety are ensured.

This utility model relates to the field of bridge engineering technology, and in particular to a cantilevered pedestrian walkway structure for bridges. The cantilevered pedestrian walkway structure provided in this utility model embodiment includes: multiple support systems spaced apart along the extension direction of the bridge; each support system includes: a support mechanism, one end of which is connected to the bridge, and the other end extending outwards to form a support portion; a crossbeam, which is disposed on the support portion of the support mechanism, with one end of the crossbeam adjacent to the bridge and connected to the bridge; and a paving system laid on the multiple crossbeams to form a cantilevered pedestrian walkway with a cantilever length of 1.0 meter or more. The cantilevered pedestrian walkway structure provided in this utility model embodiment can significantly widen the cantilever of existing bridge pedestrian walkways, breaking through the traditional 50-centimeter cantilever length limitation, and providing an effective technical solution for the renovation of existing bridge pedestrian walkways.

The utility model relates to an environment-friendly pavement drainage system, and belongs to the technical field of drainage systems. The drainage bottom bricks are laid on the roadbed; the water seepage bricks are laid on the drainage bottom bricks; the top face of the drainage bottom brick is provided with an arrangement groove used for arrangement of the water seepage brick, and the bottom of the water seepage brick is provided with an abutting-against protruding part used for being matched with the arrangement groove in an abutting-against mode. The water seepage brick and the drainage bottom brick are connected through a bonding structure; the bonding structure comprises a cement groove formed in the arrangement groove, a bonding convex part arranged on the abutting convex part and cement filled between the bonding convex part and the cement groove; the drainage bottom brick is provided with a drainage through groove in the bottom face of the arrangement groove in the length direction. The method has the effect of reducing the probability of water accumulation of the sidewalk.

Techniques for adjusting light direction and light intensity from streetlights in an environment. For example, a streetlight may include an adjustable light source that can be configured to cast light based on its specific installation environment, taking into account height (e.g., a height of a pole coupled with the streetlight relative to a surface of the environment), an angle in which the streetlight is coupled to the pole, a type of surface being lit (e.g., blacktop, concrete, grass, etc.), an amount of light present from surrounding fixtures (e.g., streetlights), and / or an intended area to illuminate (light only streets and sidewalks, light only parking lot, light only walking paths, etc.).

This invention relates to an autonomous navigation method for legged robots based on terrain drivability weights, belonging to the field of robot autonomous navigation technology. It configures a vision-inertial subsystem and a LiDAR-inertial subsystem, outputs a 3D point cloud map through factor map fusion, obtains drivability weights through terrain analysis, and outputs a drivability cost map through path planning. The advantage is that, based on the LVI-SAM LiDAR-vision-inertial fusion SLAM framework, it innovatively introduces terrain undulation drivability weights (TTW), reassessing undulating terrain such as steps and gentle slopes, which are traditionally deemed "impassable," as "passable" terrain for legged robots. This method is particularly suitable for autonomous navigation tasks of legged robots such as robot dogs in complex terrains such as urban sidewalks, stairs, and ruins.