18results about How to "Avoid positioning failure" patented technology

This invention discloses a page processing method, apparatus, electronic device, storage medium, and product. The method includes: responding to a page interaction operation performed on a browser page; identifying at least one page interaction operation event triggered on the browser page through a pre-configured browser plugin and determining the voice content associated with the at least one page interaction operation event, wherein the voice content associated with the page interaction operation event is voice material related to the page interaction operation formed by synchronously providing voice explanation of the page interaction operation performed on the browser page; determining the DOM element positioning information corresponding to the at least one page interaction operation event; generating a target document based on the voice content associated with the page interaction operation event; and generating a target script based on the DOM element positioning information corresponding to the at least one page interaction operation event and the triggering order of the at least one page interaction operation event. This application solves the problem of low efficiency due to repetitive configuration during browser page configuration.

The invention discloses a lamp anti-theft positioning method and system based on a reader-writer-tag dual-channel handshake timeout mechanism and a storage medium, and solves the problems of metal shell shielding, high power consumption, no local deterrence, alarm delay and the like. The reader-writer periodically transmits a radio frequency command frame; the dual-mode electronic tag in the lamp and the 2.4 GHz active frame are subjected to conformal loopback response through a UHF passive reflection link; and if no response is received within 500 ms-2 s, handshake is judged to be overtime, and the rear end immediately reports'suspected theft 'and triggers the lamp body to give a stroboscopic alarm by using a 1-3 Hz white LED, so that'alarming once being taken away' is realized. The system is composed of a lamp end dual-mode tag and LED stroboscopic drive, a reader-writer end radio frequency transceiving and timeout timer and a rear end alarm upgrading and pushing module. A single reader-writer covers a 30-80 m area to complete area-level positioning. The plastic shell is provided with no hole, and IP67 protection is kept. The storage medium stores a program for implementing the method. The system is low in power consumption, easy to implement and suitable for mobile lighting anti-theft management of miner lamps, construction head lamps, storage forklift lamps and the like.

The invention discloses an aircraft landing method and system and a storage medium, and the method comprises the steps: receiving an aircraft landing instruction, and controlling a visual recognition module to determine an idle target parking apron within a preset range below an aircraft; controlling a visual identification module to identify a visual positioning identifier on the target parking apron so as to determine a first pose of the aircraft relative to the target parking apron; controlling a radar identification module to identify a radar positioning identifier on the target parking apron so as to determine a second pose of the aircraft relative to the target parking apron; and a fusion pose is determined according to the first pose and the second pose, and the aircraft is controlled to land on the target parking apron according to the fusion pose. According to the invention, the accuracy of positioning between the aircraft and the target parking apron is improved, and then the safety of the aircraft during automatic landing is improved.

This invention provides a mass production machining device for door pillars, belonging to the field of door pillar mass production machining technology. It includes a base, with mounting brackets mounted on the top of the base. The mounting brackets have equidistant first limiting grooves and equidistant mounting grooves on their tops. Four mounting brackets are equidistantly arranged on the base, and one mounting bracket located on one side edge of the base has equidistant first limiting blocks on its top. This invention, by setting up an auxiliary positioning mechanism and a limiting and fixing mechanism, allows the eight first sliding grooves to be quickly positioned to the machining position on the top of the base in one go, avoiding multiple alignment adjustments and improving positioning efficiency. Furthermore, the limiting and fixing mechanism further limits and fixes the transported profile body, ensuring that the profile body remains stable, does not shift, and does not shake during processing, ensuring consistent processing benchmarks.

The application is suitable for the positioning technical field, and provides a positioning method, which is applied to obtaining an initial attitude of a panoramic camera, obtaining an initial panoramic image, and obtaining a panoramic image attitude, the panoramic image attitude being an attitude of the panoramic camera at an exposure time corresponding to the initial panoramic image; adjusting the initial panoramic image according to the initial attitude and the panoramic image attitude to obtain an adjustment result; and positioning the panoramic camera according to the adjustment result. Through the positioning method, the accuracy of the positioning of the panoramic camera can be improved.

This invention belongs to the field of welding fixtures and provides a handrail welding fixture, including: a fixture table; a positioning mechanism, an anti-detachment mechanism, and an auxiliary mechanism. The auxiliary mechanism includes a reference block, a first positioning bead, and a second positioning bead. On the reference block, a first reference surface is provided on the side opposite to the first positioning bead, and a second reference surface is provided on the side opposite to the second positioning bead. Both the first and second positioning beads are movably disposed within the reference block and can abut against the inner wall of a reference hole. Compared with the prior art, the advantage of this invention is that by using a single driving source to drive the first and second positioning beads against the inner wall of the reference hole, the first and second positioning surfaces are precisely fitted with the first and second reference surfaces, respectively. This ensures that the fixed block is accurately positioned and without deviation during welding, avoiding the impact of the reference block's own processing errors on the overall positioning accuracy of the fixed block. This significantly improves the welding positioning accuracy of the handrail and ensures consistent product quality.

The utility model discloses a motor rotor magnetic pole arrangement structure, comprising a rotor hub, the periphery of which is fixedly sleeved with a single-layer rotor iron core; n magnetic poles are distributed on the circumference of the rotor core at intervals; the N magnetic poles are equally divided into m groups, each group comprises k magnetic poles, N is equal to m * k, m is larger than or equal to 2, and k is larger than or equal to 4; the interval angle alpha of the magnetic poles in the group is 360 degrees / k; a phase difference angle beta is arranged between every two adjacent groups, beta = d * 360 degrees / N, and the value range of d is larger than or equal to 0.8 and smaller than or equal to 0.95; according to the utility model, the layered structure of the traditional skewed pole process is abandoned, and the problem of positioning failure caused by interference assembly is avoided, so that the sensitivity to the assembly angle error is reduced, the process tolerance requirement is relaxed, and the production feasibility is obviously improved.

The invention discloses an anti-interference method and device based on a multi-point positioning system, and the method comprises the steps: receiving the pixel data of a frame image, comparing the pixel data of a current frame image with the cached pixel data of a previous frame image, judging whether the pixel of the current frame image is brightened or not, and if the pixel of the current frame image is brightened, judging whether the pixel of the current frame image is brightened; marking that the pixels of the current frame image are brightened and storing the pixels of the current frame image into a cache; comparing the pixel data of the frame image after the current light-emitting device is turned off with the pixel of the previous frame image in the current cache; if the pixels of the frame image after the current light-emitting device is turned off are darkened, continuing to judge whether the pixels of the darkened frame image after the current light-emitting device is turned off mark to be brightened or not; and determining the pixels of the frame image marked to be brightened and darkened after the current light-emitting device is turned off as bright spot pixels, storing the current bright spot pixels in a cache, and counting and outputting bright spot coordinates of the bright spot pixels. According to the invention, the interference of ambient light can be effectively eliminated; the light spot positioning precision is improved, and positioning failure is effectively avoided.

The present application relates to the technical field of biometric identification, and in particular to a personnel non-sensing positioning method and system based on contour-posture gait analysis. The personnel non-sensing positioning method based on contour-posture gait analysis comprises the following steps: step S1, performing pedestrian detection and multi-target tracking based on the collected video sequence to generate a time-continuous pedestrian trajectory video sequence; step S2, constructing a contour-posture dual-modal gait feature model based on the time-continuous pedestrian trajectory video sequence to generate a dual-modal gait feature representation of the pedestrian; step S3, performing similarity matching based on the dual-modal gait features of different pedestrians in the contour-posture dual-modal gait feature model to realize personnel identity recognition and re-identification; and combining the spatial position information of the identified personnel to reconstruct the continuous motion trajectory to realize non-sensing positioning.

This invention belongs to the field of lidar odometry technology and provides a lidar odometry optimization method and system based on resource occupancy cost. Based on raw point cloud data and preset geometric feature algorithms, general feature algorithms, and direct registration algorithms, corresponding candidate poses and feature matching errors are obtained respectively. Based on CPU utilization, memory utilization, cache hit rate, and a preset resource occupancy cost model, the total resource occupancy cost is obtained. Based on the candidate pose, feature matching error, and total resource occupancy cost, the optimal pose estimation is determined with the minimum total cost as the optimization objective. By introducing the resource occupancy cost model, resource efficiency is taken as one of the core optimization objectives, enabling the odometry to dynamically adjust the algorithm strategy according to the current system load. This pursues high accuracy when resources are abundant and ensures smooth system operation when resources are limited, effectively avoiding positioning failures caused by computational overload.

This application relates to the field of intelligent manufacturing equipment technology, and in particular to a high-precision path control method for injection molding robots based on real-time deviation compensation. The method includes: acquiring the theoretical position commands and actual encoder feedback values ​​of each servo axis within the same control cycle via a CANopen bus under clock synchronization reference, and calculating the single-axis deviation; constructing a historical sequence of deviations from multiple consecutive cycles, and predicting the deviation for the next cycle using a fixed-order autoregressive model; subtracting the predicted deviation from the theoretical command after multiplying it by the compensation gain to obtain a preliminary correction command; constructing a dynamic safety envelope with constraints such as the in-mold safety zone, the out-of-mold safety zone, and the minimum safety distance between multiple axes, and performing real-time verification and limiting of the preliminary correction command; and sending the correction command to the servo driver. This application achieves high-precision path tracking and active anti-collision control for injection molding robots in high-speed, confined mold spaces, improving repeatability and operational safety.

The utility model discloses a light -duty crane with quick dismounting and mounting hook function relates to crane technical field. The utility model discloses a crane body, hoist seat and hook body, mounting block, its fixed mounting is on hoist seat, and the through -hole that can supply hook body to pass through is equipped on mounting seat, and the positioning slot is seted up on hook body, and the fixed component that can be positioned to positioning slot is equipped in mounting block, and the fixed component includes outer gear, and it rotates and set up in mounting block, and the drive component that drives outer gear rotation is equipped in mounting block, and a plurality of drive grooves are equipped on outer gear and pass through, and a plurality of connecting plates, its movable setting is in mounting block, and the locating plate is equipped with in connecting plate one end, and the drive shaft is equipped with in the other end, and drive shaft movable setting is in drive groove. The utility model discloses through drive component control outer gear rotation, and then drive locating plate to carry out positioning and cancel positioning to hook body, and the versatility is strong, realizes the quick dismounting of hook body.

The utility model discloses a kind of electric welding machine welding torch assemblies, it is related to electric welding machine welding torch assembly field, including round pipe, multiple clamping grooves are set in the inside of the upper end of the outer ring of round pipe, slidingly installed with movable pipe in the inside of the round pipe, movable pipe upper end inside one side movably installed with clamping block, the clamping block is clamped and installed in the inside of clamping groove, movable pipe one end both sides are fixedly installed with side plate, rotating groove is set in the inside of both sides side plate, rotating rod is rotatably installed in the inside of rotating groove, welding torch head is fixedly installed between two rotating rods, the inside of one end of both sides side plate away from movable pipe is equipped with buffer groove, buffer column is movably installed in the inside of buffer groove, buffer column one end is fixedly installed with positioning column, positioning column is slidably installed in the inside of rotating rod. The utility model uses the above structure, avoid the hand tremor when operating to cause positioning failure, can reduce the welding defect caused by positioning deviation.

The present disclosure provides a kind of energy special network covert channel detection method based on cross-domain protocol reconstruction, it includes collecting the control behavior of each node in energy special network, marking its life cycle stage, constructs cross-domain control behavior sequence;Identify the reverse turn-around section therein and reconstruct the propagation inheritance relationship, split and direction restore to annular propagation section, generate cross-domain rollback propagation chain;Carry out the continuity check of life cycle stage, the association constraint of rollback takeover and recovery execution, separate legal rollback propagation set and abnormal propagation candidate set, form covert propagation risk chain;Abnormal propagation node is mapped to the actual control position of energy special network, carries out cross-domain covert channel link positioning, outputs detection result, this method can be aimed at multi-level edge station cascade control rollback scene, effectively distinguish legal rollback propagation and malicious concealment, solve the problem of covert channel positioning distortion caused by misjudgment reverse turn-around behavior.

The invention discloses a positioning structure of a logistics transportation skip car, and relates to the technical field of logistics transportation skip cars. Comprising a bottom plate, moving rods are connected to the surfaces of the two sides of the bottom plate through telescopic rods, restraining assemblies for limiting the two sides of goods are arranged above the two moving rods, each restraining assembly comprises a movable block, a sliding groove is formed in the bottom end of each movable block, and two moving blocks are slidably connected to the inner wall of each sliding groove; and a first spring is fixedly connected between the two groups of moving blocks. Through mutual cooperation of the restraining assembly and the positioning assembly, positioning and protection in the cargo loading and transporting process are achieved, meanwhile, through cooperation of a first magnetic block and a second magnetic block, the transverse inertia force generated when the transporting skip car is adjusted in the running posture such as turning and starting and stopping is reduced to a certain degree, and the transporting skip car is more stable. Risks of rollover, displacement or lateral sliding of the goods due to inertia are avoided, and flexibility and adaptability are high.

The invention relates to the technical field of automatic stacking of materials, and discloses an electromagnetic vibration automatic stacking device which comprises a base, two sets of lateral connecting plates are fixedly mounted on the front side and the rear side of the base through fixing strips, and two sets of parallel mounting grooves are formed in the front sides of the lateral connecting plates in a penetrating mode. Bottom supports are fixedly installed on the lower portions of the opposite sides of the two sets of lateral connecting plates, a plurality of sets of connecting pieces a are installed on the left side and the right side of the base through bolts, supporting plates are fixedly installed on the upper portions of the connecting pieces a, and the supporting plates do not make contact with the lateral connecting plates. A connecting piece b is fixedly installed on the outer side, attached to the connecting piece a, of the bottom support and the supporting plate. Periodic vibration force is generated through cooperation of the electromagnet coil, the horseshoe and the armature block, the chip stacking tool is driven to vibrate, resin chips are automatically reset and stacked in order under the action of the vibration force, the operation mode that the resin chips are manually straightened one by one is thoroughly replaced, the labor intensity is greatly reduced, and the large-scale production requirement is met.

The embodiment of the invention discloses a communication method and a related device, which are used for realizing the positioning of terminal equipment by positioning equipment. The first access network equipment sends a UE context obtaining request message to the source access network equipment; the first access network device receives a UE context response acquisition message from the source access network device, the UE context response acquisition message comprising reference information for configuring a sounding reference signal (SRS) of a terminal device, and / or information for indicating to configure the SRS for the terminal device, and the terminal device being in an inactive state; the first access network equipment determines SRS configuration information of the terminal equipment according to the reference information and / or the information used for indicating to configure the SRS for the terminal equipment; and the first access network equipment sends the SRS configuration information to the terminal equipment.