895 results about "Positioning equipment" patented technology

Apparatus, systems, and methods for mapping utility lines in utility potholing operations are disclosed. Pothole mapping apparatuses, systems, and methods may be employed in utility locator devices and utility locating systems to map potholed utility lines. Data generated via pothole mapping may be used to calibrate utility depth measurements in utility locator devices and systems. Further, information revealed about utility lines during potholing procedures may be used to train neural networks and utilize artificial intelligence in generating predictions regarding the positions and characteristics of utility lines.

Systems, methods, and / or apparatuses are provided herein for positioning devices in a network using estimated measurements. A wireless transmit / receive unit (WTRU) may determine positioning accuracy based on one or more actual and / or inferred measurements. The WTRU or a network entity may train and / or implement one or more artificial intelligence (AI) and / or machine learning (ML) models to determine the positioning accuracy.

The invention discloses an intelligent driving control method and system for an unmanned ship, and belongs to the field of unmanned driving control. Firstly, the position and speed of the unmanned ship and the positions and speeds of surrounding obstacles are obtained through a sensor and a positioning device, then dynamic path tracking is carried out in combination with global path planning and local path planning, and finally the unmanned ship is driven to sail along an optimized path by controlling the course and an accelerator. Local path planning adopts an improved dynamic window method, and an unmanned ship trajectory prediction evaluation function is modified by introducing a dynamic risk evaluation layer and a rule compliance layer; the dynamic risk evaluation layer is used for designing a collision risk evaluation function to dynamically screen a speed sampling space and rejecting a speed vector conflicting with a predicted trajectory of a moving obstacle; and the rule compliance layer classifies the meeting situation, introduces a rule evaluation function to perform weight correction on the candidate velocity vector, and drives the unmanned ship to generate a course adjustment strategy conforming to the collision avoidance rule. The unmanned ship realizes full-autonomous cruise, high-precision obstacle avoidance and path tracking in a complex marine environment.

The rubber stripping device comprises a horizontally-arranged machine base, a V-shaped block clamping assembly, a quick dismounting and mounting positioning cylinder assembly and a variable-diameter type centering column assembly are sequentially installed on the machine base, the V-shaped block clamping assembly is used for clamping and fixing the rubber pipe, and the V-shaped block clamping assembly is used for clamping and fixing the rubber pipe. The quick dismounting and mounting positioning cylinder assembly is used for carrying out primary diameter positioning on the rubber pipe, and the variable-diameter centering column assembly is used for carrying out inner diameter positioning on the rubber pipe; the automatic feeding device has the beneficial effects that the variable-diameter centering column assembly and the rapid dismounting and mounting positioning cylinder assembly are designed to conduct double step-by-step positioning on the rubber pipe, the positioning mode is more reasonable and efficient, the V-shaped block clamping assembly and the ball screw mechanism are designed to achieve automatic feeding of the rubber pipe, operation is more convenient and rapid, time and labor are saved, and the automation degree is higher; the variable-diameter centering column assembly can adapt to accurate positioning of rubber pipes of different models, equipment transformation is rapid and convenient, the rubber pipes of different models can be machined, and cost is saved.

The invention provides a Beidou-based hoisting positioning error dynamic compensation method, system and platform, and relates to the technical field of intelligent construction. In order to solve the problem that in the prior art, a hoisting positioning error compensation method is low in compensation precision, positioning data, attitude data and environment data of a bridge component are synchronously collected through Beidou positioning equipment; decomposing the positioning data into an effective signal component, a multi-path interference component and a noise component, and extracting the effective signal component; carrying out dynamic fusion on the effective signal component, the attitude data and the environment data to obtain fusion data; according to hoisting historical data in a preset time period, training to obtain an error prediction model; inputting the positioning data, the attitude data and the environment data obtained in real time into the prediction model to obtain a prediction error; and performing dynamic compensation on the fused data according to the prediction error, and outputting final positioning data. The dynamic compensation method is high in compensation precision.

The invention relates to the technical field of archive management, and discloses an RFID archive management positioning device which comprises a frame body, a layer plate, a controller, an electronic door lock, a touch operation screen, an RF read-write module, an ultrahigh frequency RF antenna, a position indicator light belt, universal wheels, a camera, a glass door and a sensing assembly. Wherein the shelf board is located in the rack body and used for placing file bags or file boxes, the ultrahigh frequency RF antennas are distributed at the positions perpendicular to the shelf board and parallel to the glass door, the position indicator light belt is installed on the shelf board, and the touch operation screen is installed on the glass door. According to the invention, accurate positioning in a high-density scene is realized through cross-type ultrahigh-frequency antenna layout and an optimized positioning algorithm, the algorithm eliminates environmental interference through RSSI signal strength normalization processing, reduces response time delay error through a multipoint sampling average value method, and combines a trilateration principle with multiple groups of antenna data, so that the positioning accuracy is improved. And the positioning error can be controlled within the range of + / -1 file.

A system for inductive energy transmission may include a stationary induction charging device, a mobile induction charging device, and a positioning device configured to detect a relative position of respective charging coils of the charging devices during charging. The positioning device may include a transmitting device and a receiving device that are each arranged in a respective one of the charging devices. The transmitting device may include at least two transmitters that simultaneously emit a respective transmission signal with an associated predetermined frequency. The receiving device may include a receiver configured to output a superimposition of all received transmission signals as a time-dependent received signal. The positioning device may be configured to i) determine an associated amplitude for each transmission signal from the time-dependent received signal and / or ii) provide a position information item from the determined amplitudes. The position information item may represent the relative position of the coils.

Disclosed is a coarse positioning apparatus for a stage apparatus, the coarse positioning apparatus comprising: at least one gas spring, each said at least one gas spring comprising a piston; and at least one electromagnetic actuator; wherein said at least one gas spring and said at least one electromagnetic actuator are operable to each apply respective complementary forces to said stage apparatus so as to accelerate said stage apparatus for coarse positioning of said stage apparatus, and wherein at least said gas spring is coupled to said stage apparatus throughout each full stroke of said stage apparatus.

The invention discloses a train operation electronic map construction method and system based on meta learning, and the method comprises the steps: firstly synchronously collecting the geographic coordinate data of a train high-precision positioning device RTK and the kilometer post data of a train operation monitoring device LKJ, and building a fusion sequence of time-space alignment through time alignment and interpolation processing; electronic map construction is converted into a regression problem of'latitude and longitude backstepping kilometer post ', and a parameterized model is adopted to describe a nonlinear mapping relation between the two; introducing a deviation correction model to compensate RTK drift and kilometer post errors; through a meta-learning mechanism, general initial parameters are learned based on a model-independent meta-learning strategy in an offline stage, and a small number of samples are utilized to quickly adapt to a new line or dynamic deviation in an online stage; and finally fusing the correction data to generate and continuously update the electronic map. According to the method, the electronic map construction precision, the new line adaptation capability and the long-term stability are improved, and the high-precision positioning and real-time calibration requirements of rail transit are met.

The invention relates to pre-positioning equipment for wafer processing, which comprises a working table, a base is rotatably arranged on the top end surface of the working table, a rotation driving device is arranged between the base and the working table, a bearing centering plate is movably arranged on the top end surface of the base, and a positioning device is arranged on the bearing centering plate. A translation driving device is arranged between the bearing centering plate and the base; before edge searching is carried out on the wafer, the wafer with the drooping edge is leveled step by step, and then the leveled wafer is dispersedly supported and kept in a flat state. According to the invention, the leveled wafer can be dispersed, adsorbed and fixed without shifting and shaking during the period of being driven to rotate for a plurality of circles and being subjected to edge searching, the wafer can be kept in a flat state in real time, errors can be reduced during edge searching of the wafer, and deviation of pre-positioning of the wafer cannot be caused.

A positioning apparatus includes a support structure including a top plate and legs extending downward from four corners of the top plate; a hoisting unit including a first hoisting plate, piston members, a second hoisting plate, two pressing blocks, and a first actuator; and a clamping unit including two opposite second actuators and two pushing blocks. The positioning apparatus is used for cell electrode plate groups of a lead-acid battery.

Described herein are techniques for determining motion characteristics of trains traveling along a train track. In some embodiments, a processor may determine an estimated position of a train using an observed position obtained using one or more UWB antennas and an observed position obtained using one or more GNSS receivers. In some embodiments, a processor may access information specifying a geometry of a train track and determining the position of a train along the train track using an observed position determined using one or more UWB antennas and / or GNSS receiver(s) and the information specifying the geometry of the train track. In some embodiments, a processor may determine estimated positions of a train using the geometry of the train track and at least one observation of the train obtained using one or more positioning devices and select the position of the train from among the estimated positions.

The invention discloses an adaptive positioning correction method for a tunnel environment, and the method comprises the steps: preliminarily restoring the position of a mobile device to a tunnel axis through inertial navigation, and employing inherent static features (such as a cable support, a fireproof door, and a duct piece joint) in a tunnel as a reference; and the automatic correction of the SLAM accumulative error is realized by measuring the distance from the feature object. And meanwhile, an intelligent filtering algorithm is adopted to effectively suppress dynamic object interference, so that the positioning precision and the system robustness are remarkably improved, and reliable technical support is provided for intelligent operation and maintenance of the cable tunnel.

The embodiment of the invention discloses a high-precision wafer positioning method. The method comprises the following steps: calibrating an image mechanical coordinate affine matrix M by controlling a translation mechanism to drive image data acquired by an image acquisition device in advance; the rotating platform is controlled in advance to sequentially rotate to a first angle theta1 and a second angle theta2; controlling the translation mechanism to drive the image acquisition device to be aligned with the calibration circle of the rotating platform in sequence, and recording pose data of the image acquisition device at theta1 and theta2; calculating a rotation center coordinate of the rotation platform according to the two angles and the pose data; during positioning, controlling the wafer to rotate to a plurality of preset angles along with the rotating platform, and collecting image information at each preset angle; extracting image coordinates of the edge feature points from the image information; converting each image coordinate into an absolute coordinate by using M; carrying out inverse rotation calculation on the absolute coordinate, and calculating the center coordinate of the target wafer through circle fitting; and obtaining an absolute deviation according to a difference value between the rotation center coordinate and the center coordinate of the wafer.

Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. A network device determines information of a repeater device and an indication indicating whether the repeater device is used for communication between the network device and a terminal device, and transmits the information of the repeater device and the indication to a positioning device for positioning the terminal device. In this way, positioning accuracy may be improved.

A navigation and positioning device including at least an inertial measurement unit, a GNSS measurement receiver, a unit for modeling the displacement(s) of the vehicle, a main Kalman filter calculating navigation data corrections by data hybridization, and at the output of the main Kalman filter at least two distinct Kalman sub-filters including a first Kalman sub-filter calculating navigation data corrections by hybridization of data provided by the inertial measurement unit and by the receiver of GNSS satellite positioning measurements, and a second Kalman sub-filter calculating navigation data corrections by hybridization of data provided by the inertial measurement unit and by the unit for modeling displacement(s) of the vehicle.

A control system is provided for inventory management facility with a plurality of containers. The control system includes a server, and a container handler operable within the inventory management facility. The container handler tractor comprises onboard sensors configured to generate sensor data of at least one container of the plurality of containers, a geolocation device configured to generate a geolocation value for the at least one container, a wireless transceiver, and a controller coupled to the onboard sensors, the geolocation device, and the wireless transceiver. The controller is configured to transmit the sensor data and the geolocation value for the at least one container to the server. The server is in communication with the container handler and is configured to generate a database associated with the sensor data, the database comprising, for each container, a container logo image and the geolocation value. The geolocation value includes a latitude value, a longitude value, and an altitude value.

Examples in the present disclosure relate to systems and methods for detecting and rejecting a non-user hand in the context of egocentric hand tracking performed by an extended reality (XR) device. While the XR device is worn by a user, the XR device captures at least one image of a hand and processes the at least one image to detect the hand. After detecting the hand, the XR device determines positioning of the hand relative to the XR device or another object in a field of view of the XR device. The XR device detects that the hand is a non-user hand. In response to detecting that the hand is a non-user hand, the XR device excludes the non-user hand from the egocentric hand tracking such that the non-user hand is not tracked for the user.

The invention provides tunnel lining disease AI detection and positioning equipment, which relates to the technical field of tunnel engineering detection and comprises a data acquisition module, an edge calculation module and a cloud analysis module. According to the invention, the appearance image data, the three-dimensional point cloud data and the thermal imaging data of the tunnel lining are synchronously acquired through the multi-sensor array carried on the mobile carrier, unmanned continuous automatic detection can be realized, manual processing of subsequent mass data is avoided, then an end-side-cloud collaborative architecture is introduced, and the real-time performance of the tunnel lining is improved. The edge calculation module is responsible for real-time identification and preliminary positioning to ensure the detection efficiency, and the cloud analysis module maps two-dimensional disease information to a three-dimensional space through a multi-source data registration and fusion algorithm to accurately calculate the geometric dimension and absolute coordinates of the disease information. Meanwhile, in combination with thermal imaging data analysis, recessive diseases which cannot be found by a traditional method are effectively identified. According to the method, human eye interpretation is replaced by the artificial intelligence model, so that the objectivity and consistency of results are ensured.

A positioning device includes at least one processor. The at least one processor detects a light source and a target object different from the light source in an image captured by an imager. A moving object has the imager and moves in a space. The at least one processor derives a position of the moving object in the space based on positions of the light source and the target object in the image and known positions of the light source and the target object in the space.

The utility model provides industrial gas filling positioning equipment which comprises two supporting frames, a conveying belt arranged between the two supporting frames and a gas storage tank arranged on the conveying belt, fixing pieces and supporting plates are arranged on the supporting frames, a plurality of connecting rods are arranged on the fixing pieces, positioning rods are arranged at one ends of the connecting rods, and the supporting plates are arranged on the supporting frames. A connecting plate is arranged at the other ends of the connecting rods, a plurality of supporting rods are arranged on the connecting plate, and springs are arranged on the supporting rods. The positioning rods, the springs and other structures are arranged, so that the positioning rods can be correspondingly matched according to the sizes of the air storage tanks, the air storage tanks of different sizes can be positioned, and the supporting plates, the positioning plates, the screw rods and other structures are additionally arranged, so that the device is convenient to disassemble, assemble and use; and by arranging structures such as the threaded rod and the sleeve, the height of the fixing piece can be adjusted, corresponding adjustment can be conveniently conducted according to the size of the gas storage tank, and therefore the best positioning effect of the positioning rod on the gas storage tank can be achieved.

This utility model relates to the technical field of planetary gear positioning equipment, specifically a high-precision positioning milling device for planetary gears. It includes a worktable and a positioning mechanism disposed inside the worktable. The positioning mechanism is used for the placement and positioning of the planetary gears. The positioning mechanism includes two connecting rods rotatably connected to the inner side of the worktable, a drive rod rotatably connected to one end of the two connecting rods, and a lifting rod slidably connected to the drive rod. The lifting rod is used for swing control of the drive rod. Each of the two connecting rods has an arc-shaped clamping plate rotatably disposed at one end for clamping the outer side of the gear. Each of the two drive rods has an arc-shaped top plate disposed on its inner side for tensioning the inner side of the gear. The connecting rods move outward together with the drive rods, allowing the two connecting rods to use the arc-shaped top plates at one end for expansion-type positioning of the inner side of the gear. The combined use of the arc-shaped top plate and the arc-shaped clamping plate improves the positioning effect of the positioning mechanism.

The invention relates to a shoreline identification and course keeping method, system and device based on vision. The method comprises the following steps: acquiring an image of a water area in front of a ship in real time through a shipborne camera; processing the image by using an improved Spatial CNN model to extract a left shoreline and a right shoreline, fitting the left shoreline and the right shoreline into straight lines, and calculating an intersection point of the two fitted straight lines; taking the intersection point as a far-end piloting target point, and calculating a heading adjustment value according to the field angle of the shipborne camera and the position relation of the ship relative to the piloting target point; and inputting the heading adjustment value into a PID controller for PID adjustment so as to generate a steering engine control instruction, and driving the ship to automatically adjust the heading according to the steering engine control instruction. The method is suitable for a complex river environment without map and support of positioning equipment, and autonomous navigation and course control of the ship are realized.

The invention provides a non-contact wheelbase-free detection RGV vehicle carrying method and device, and the method comprises the steps: responding to a vehicle taking instruction, and controlling a chassis walking part to drive RGV positioning equipment to move to a position below a to-be-carried vehicle; clamping arms of the front clamping part and the rear clamping part are controlled to be switched to a semi-open state; acquiring a first lateral distance and a second lateral distance; according to the RGV structure size data, the first lateral distance and the second lateral distance, the chassis walking part and the axle distance adjusting part are controlled to move cooperatively, so that the front clamping part and the rear clamping part reach the preset positions correspondingly; clamping arms of the front clamping part and the rear clamping part are controlled to be switched to be in a fully-open state; and the chassis walking part is controlled, and the RGV positioning equipment is moved to the target storage area. According to the method, the defects that a traditional RGV needs to be carried by a preset wheelbase, and the adaptability is poor are effectively overcome.

The application relates to the technical field of positioning device signal processing and positioning precision, and particularly discloses a non-line-of-sight classification and error compensation method and system based on a double convolution neural network, the method comprising the following steps: acquiring channel impulse response data of an ultra-wideband signal, and pre-processing the channel impulse response data to obtain an amplitude sequence in real number form; constructing a double convolution neural network classification model, the double convolution neural network classification model comprising parallel large-kernel convolution blocks and small-kernel convolution blocks, which are respectively used for extracting macroscopic waveform features and microscopic fluctuation features from the amplitude sequence; and performing classification training after fusing the macroscopic waveform features and the microscopic fluctuation features; and based on the trained classification model, the regression compensation of ranging errors of non-line-of-sight signals is performed, macroscopic waveform contour features and microscopic local fluctuation features can be simultaneously extracted from data, and a complementary feature extraction mechanism can more comprehensively describe the differences between LOS / NLOS signals compared with a single-structure network.

The invention provides electrical control cabinet frame welding equipment, which relates to the technical field of frame welding and positioning, and comprises a top connecting plate and a limiting clamping assembly, the end part of the top connecting plate is connected with a vertical connecting plate; a U-shaped connecting piece is mounted at the connecting part of the top connecting plate and the vertical connecting plate; a lower connecting arm plate is connected into the vertical connecting plate, an upper connecting arm plate is connected into the top connecting plate, the end of the upper connecting arm plate is connected with a stress rotating shaft, and the stress rotating shaft is connected with the lower connecting arm plate. According to different welding angles of different metal frame rods in an electrical control cabinet frame, the inclined screw rod can be rotated, and the angles of the two limiting clamping assemblies are changed, so that the welding included angle of the two metal frame rods is changed, and the welding and positioning requirements of the metal frame rods with different included angles are better met. The problems that existing electrical control cabinet frame welding and positioning equipment mostly adopts an integrated design, targeted adjustment is difficult to carry out according to different welding angles needed by a needed metal frame rod, and only the requirement for specific angle welding and positioning can be met are solved.

The invention relates to the technical field of industrial robot assembly, and discloses long telescopic industrial robot balance cylinder assembly positioning equipment which comprises a base, the base is fixedly connected with assembly equipment, a positioning seat is adjustably installed on the upper portion of the base, and a first positioning mechanism and a second positioning mechanism are arranged at the two ends of the positioning seat correspondingly. The first positioning mechanism and the second positioning mechanism are used for assembling and fixing the two ends of the balance cylinder body. According to the assembling and positioning equipment for the balance cylinder of the long telescopic industrial robot, through cooperation of the automatic locking assembly and the first electric telescopic rod, automatic centering, clamping distance adjustment and multidirectional locking of the balance cylinder body positioning block are achieved, a traditional manual bolt locking mode is completely replaced, the requirements for manual adjustment and repeated debugging are greatly reduced, and the working efficiency is improved. The first positioning mechanism and the second positioning mechanism which are symmetrically arranged ensure that the stress at the two ends of the balance cylinder is consistent, and the coaxiality and the parallelism of the balance cylinder assembly and the interior of the telescopic arm of the robot are effectively ensured.

The utility model discloses a drilling positioning tool for machining mechanical equipment spare and accessory parts, and relates to the technical field of drilling positioning equipment, the drilling positioning tool comprises a mounting frame and a mounting rack, the inner wall of the mounting frame is fixedly provided with a servo motor, the side edge of the mounting frame is fixedly provided with a fixing block, the periphery of the fixing block is clamped with a U-shaped plate, and the U-shaped plate is fixedly connected with the mounting rack. A supporting frame is fixedly connected to the surface of the lower end of the U-shaped plate, and a positioning and clamping assembly is connected to the mounting frame. A quick disassembly and assembly mechanism is connected between the fixed block and the U-shaped plate; according to the utility model, the quick disassembly and assembly mechanism is arranged between the fixed block and the U-shaped plate, so that quick disassembly and assembly of the U-shaped plate and the fixed block are realized. During mounting, the U-shaped plate is clamped on the periphery of the fixed block, and the limiting insertion rod can be automatically inserted into the limiting insertion hole under the cooperation of the reciprocating component, so that stable connection is completed; during dismounting, the limiting insertion rod is pulled out of the limiting insertion hole by operating the reciprocating part, and then the U-shaped plate can be rapidly taken down.

The invention provides gas phase pipeline leakage detection rapid positioning equipment and a rapid positioning method. The system comprises a sound source acquisition module, a visible light imaging module, a thermal infrared imaging module, an information processing module and a display module. The visible light imaging module is used for collecting visual image signals. The thermal infrared imaging module collects a temperature electric signal. The information processing module is used for processing the sound source electric signals, the visual image signals and the temperature electric signals and completing image algorithm superposition calculation of all the signals. Dual judgment of sound source positioning and temperature verification is adopted, rapid space positioning of a leakage sound source is achieved in combination with leakage sound source detection of the sound source collection module, and meanwhile misjudgment caused by interference factors such as environmental noise and equipment vibration is effectively eliminated through temperature anomaly verification of the thermal infrared imaging module. The positioning precision is high, and the position of a leakage point is quickly and accurately locked.