2275 results about "Anchor point" patented technology

A wraparound carrier device for babies or toddlers includes a carrier part. An inner side of the carrier part can be brought into contact with a back or stomach of a baby or toddler being carried. A waist belt is attached to at least a central region of a lower edge of the carrier part, and is guided with an inner side in a waist or hip region of a carrying person around their stomach and back. Two shoulder straps are provided, one end of each of which is attached to the carrier part at an upper edge thereof. An anchor point of a second end of each shoulder strap is attachable to the waist belt or to a side edge of the carrier part The position of the anchor point on the waist belt or the side edge of the carrier part is adjustable.

The invention discloses a welded pipe conveying abnormity prediction method and system based on large model reasoning, and aims to solve the problems that multi-source data is difficult to align, cross-station false correlation is caused, prediction lacks executable positioning and time sequence, and linkage control reliability is insufficient. Event alignment is carried out by taking a controller edge signal and an encoder zero position as time anchor points, a production line topology semantic graph containing time delay, capacity and interlocking attributes is constructed, and topology reachability and physical time delay constraints are applied in a self-attention long sequence model to carry out multi-step rolling prediction. And outputting a risk probability, refining the risk probability to spatial positioning of a roller way section or a shaft and the minimum executable intervention time, and generating a risk interval in combination with uncertainty estimation and calibration so as to drive an upstream beat self-adaptive speed reduction, shunting or stopping strategy. The technical effects of improving accuracy and interpretability, reducing false alarm and missing alarm, ensuring that linkage can be executed in advance and meeting edge time delay budget are achieved.

The invention discloses a building engineering full life cycle resource intelligent scheduling system and method, and belongs to the technical field of building management, and the method specifically comprises the steps: collecting dynamic physical parameters of a component installation process in a construction stage; constructing a spatio-temporal index engine, associating the dynamic physical parameters to corresponding component nodes of the BIM model, and generating a spatio-temporal binding data unit; in an engineering operation and maintenance stage, monitoring operation state data of the component, and when an abnormal state is recognized, extracting current space coordinates of the abnormal component and activating a reverse traceability channel; taking the space coordinates of the abnormal components as retrieval anchor points, matching the space-time binding data units with the same space coordinates, and obtaining a dynamic physical parameter sequence in a construction stage; comparing and mapping the dynamic physical parameter sequence and the abnormal state, generating an operation and maintenance decision instruction set with a construction defect positioning identifier, and inputting a resource scheduling sequence; according to the method, the utilization rate of operation and maintenance decisions on construction stage data is remarkably improved.

The invention discloses a multi-modal model-based RPA element anchor point automatic searching method. The method comprises the following steps of S1, acquiring coordinates, text information and regional screenshots of target elements and candidate anchor point elements in a webpage; s2, according to the area screenshot, obtaining element categories of target elements and candidate anchor point elements through a target detection model; s3, inputting the coordinates, the text information, the regional screenshots and the element categories of the target elements and the candidate anchor point elements into a multi-modal model, performing vector conversion, vector alignment, element distinguishing, element attention and element judgment by utilizing the multi-modal model, and detecting and determining the target anchor point elements; s4, recording a relative relation between the target element and the anchor point element, wherein the relative relation is used for positioning the target element when the robot process automatically runs; the anchor point elements of the webpage are dynamically recognized through the webpage screenshot, the element coordinates and the element types, and the method has the advantages of being wide in application range and reliable in recognition.

The invention discloses a park management method based on digital twinning, particularly relates to the field of park operation, and is used for solving the problem that a multi-source event is difficult to stably chain under the conditions of compensation delay and evidence gap and causes misalignment of disposal triggering. Comprising the following steps of: registering an event in a pool to generate an event number and writing the event number into a platform arrival moment; screening and mapping an anchor point event to a park object identifier and a process stage identifier to generate a management token; checking a stage sequence and an evidence item requirement set according to an event chain rule table in event chain construction and generating a conflict point list; the delay portrait library generates a credible mark when a source is generated and forms a reverse sequence violation spectrum; the digital twin object relation graph forms an influence domain span mark; the closed table is returned to obtain a disposal convergence guarantee level; the cost-sensitive decision tree outputs a disposal template identifier, and the disposal template table generates a management action instruction and a trigger voucher and records an instruction acceptance identifier; and returning, comparing and freezing the exception management token, and updating the event chain rule table and the delay portrait library.

The invention discloses an ultra-wideband indoor positioning method based on a multi-mode diffusion model, which belongs to the field of indoor positioning and comprises the following steps: acquiring distance data and RSSI (Received Signal Strength Indicator) data between UWB anchor points and labels in an indoor environment based on a mobile multi-sensor platform; performing feature extraction and feature fusion on the multi-modal input data through a multi-modal feature extraction module; an improved denoising diffusion implicit model is adopted to perform accelerated reverse sampling, a U-Net architecture neural network is utilized to realize high-quality distance reconstruction, and a distance estimation value is output; and establishing a position estimation layer, performing time sequence modeling by adopting a long-short-term memory network, learning position estimation, and outputting a three-dimensional coordinate positioning value. According to the method, UWB distance data and RSSI data can be effectively fused, high-quality reconstruction of lost data is achieved, meanwhile, statistical characteristics and spatial-temporal correlation of the data are reserved, and the precision and robustness of indoor positioning are remarkably improved.

Microelectromechanical component (100) for motion measurement, comprising: a fortified section (118); a single, central anchor (106) coupled to the attached section (118) with four sides; a first non-straight suspension element (108) coupled to the anchor (106) on one side of the anchor (106); a second non-straight suspension member (120) coupled to the anchor (106) on the same side of the anchor (106), wherein the second non-straight suspension member (120) has a shape and position that mirrors the first non-straight suspension member (108) on a plane (122) bisecting the anchor; and a test mass (104) which is planar, wherein the test mass (104) is suspended at least partially on the first non-straight suspension member (108) and the second non-straight suspension member (120) such that the test mass (104) is rotatable about the anchor (106) and displaceable in a plane which is parallel to the attached section (118), where the first and second non-straight suspension members (108, 120) are bending bearings, wherein the first non-straight suspension member (108) has a C-shape, wherein the C-shape includes an inner section (110) which is coupled to the anchor (106) and extends towards the plane (122) bisecting the anchor, a central section (114) which includes a nearby section and has a distant section, whereby the near section is coupled to the inner section (110), and the far section extends away from the anchor (106) along the plane (122) bisecting the anchor and is coupled to an outer section (112) extending away from the plane (122) bisecting the anchor.

The invention relates to the technical field of intelligent control, in particular to a multi-mode-based intelligent home control method and system, and the method comprises the following steps: S1, synchronously collecting a voice stream and an action video stream of a user, and respectively extracting a semantic anchor point of a voice instruction and a spatial anchor point of an action track; s2, constructing a virtual time axis, mapping the semantic anchor points and the spatial anchor points to a unified space-time coordinate system, and performing anchor point deviation correction on a mapping result based on an environment semantic field to generate an alignment instruction set; and S3, performing intention fusion on the alignment instruction set according to the spatial topological relation of the equipment, generating an equipment control instruction, and triggering execution. According to the method, the fault tolerance and execution rationality of fuzzy instructions or wrong finger behaviors are improved, the method is particularly suitable for family scenes with dense multiple devices and frequent environment dynamic changes, and the practicability and the intelligent level of the system are remarkably improved.

A wireless communication method includes: receiving, by a target device, a plurality of backscatter signals transmitted by each of a plurality of anchor devices, where the plurality of backscatter signals have different frequencies; and determining distance information between the target device and each anchor device according to phase information of the plurality of backscatter signals transmitted by each anchor device, where the distance information between the target device and the plurality of anchor devices is used to determine location information of the target device.

The application relates to the field of medical devices, in particular to a repair system capable of accurate positioning, which comprises a delivery catheter, a positioning support arranged in the delivery catheter, an anchoring mechanism, a flexible sleeve and a guide wire, the positioning support is arranged at the distal end of the delivery catheter, the positioning support is provided with a plurality of anchoring points distributed in the circumferential direction, the flexible sleeve is provided with a plurality of connecting points arranged in correspondence with the anchoring points, the guide wire passes through the connecting points and the anchoring points corresponding to the connecting points in sequence, and after the positioning support is released, the anchoring mechanism pushes the flexible sleeve, so that the flexible sleeve cooperates with the guide wire and guides the anchoring mechanism to reach each anchoring point along a predetermined route and complete anchoring; the application not only simplifies the structure of the device, but also realizes accurate guidance.

A conveyance seat includes a cover member protecting an anchor member extending from the seat main body so that a child safety seat is connected. The cover member includes an outside cover, and an inside cover accommodated in the outside cover and having an anchor engaging portion. The cover member sandwiches an extending part of the anchor member with the outside cover and the inside cover. The cover member is attached to the seat main body such that an outer periphery portion of a skin opening hole is sandwiched by the outside cover and the inside cover. A skin locking member is accommodated in a flange accommodating recess of the outside cover together with an outer peripheral flange of the inside cover.

The embodiment of the invention relates to the technical field of digital key positioning, and discloses a dual-mode digital key positioning method and device, positioning equipment and a storage medium. The method comprises the following steps: acquiring positioning information of BLE and UWB dual-mode anchor points at a preset position on a vehicle on a digital key; a Bluetooth judgment result is obtained according to the RSSIBLE, and when an effective UWB signal exists, a UWB judgment result is obtained by adopting multiple judgment conditions according to the positioning information; when the effective UWB signal does not exist, counting the loss duration of the UWB signal and obtaining a UWB judgment result at the last moment before the UWB signal is lost; and a compensation judgment result is obtained according to the TimeLostUWB, the Bluetooth judgment result and the Area LastValidUWB. Through the combination of the positioning information collected by the dual-mode single anchor point and the multi-dimensional judgment condition, the good positioning performance can be achieved, and meanwhile the cost is reduced.

The embodiment of the invention relates to the technical field of digital key positioning, and discloses a dual-mode dual-anchor digital key positioning method and device, positioning equipment and a storage medium. The method comprises the following steps: acquiring positioning information of UWB and Bluetooth dual-mode and dual-anchor points at a preset position on a vehicle, and adopting multiple judgment conditions according to the positioning information of UWB master and slave anchor points to obtain a judgment result inside and outside the vehicle; executing a plurality of groups of judgment conditions corresponding to the UWB master anchor point, the UWB master anchor point and the slave anchor point according to a preset sequence, and if the inside and outside judgment result is outside the vehicle, respectively obtaining respective corresponding outside area judgment results according to the positioning information of the UWB master anchor point and the UWB slave anchor point; and obtaining an out-of-vehicle area judgment result according to the out-of-vehicle area judgment result of the UWB master anchor point and the UWB slave anchor point, the NLOS conditions of the UWB master anchor point and the UWB slave anchor point and the Bluetooth judgment result. Through combination of positioning information collected by dual-mode and dual-anchor points and multi-dimensional judgment conditions, good positioning performance can be achieved, and cost is reduced at the same time.

A stabilization apparatus for reducing vibration of a 3D printer during operation thereof. A stabilization apparatus features a stationary framework having a base seated atop a support surface and spanning a greater two-dimensional footprint than the 3D printer. One or more flexible elongated suspenders each has one end connected to a respective anchor point each defined on the supportive framework at a respective location of elevated relation to an underside of the base. Another end of each suspender is secured either to the 3D printer itself, or to a floating support atop which the 3D printer is placed. The 3D printer is thereby supported in a floating position of suspended relation to the stationary framework of the stabilization apparatus.

Articles of apparel and methods of making articles of apparel comprising one or more continuous threads wound around anchor points. In some embodiments, the methods can comprise winding a continuous thread around a plurality of projections to form a thread layer comprising a plurality of thread lines and impregnating at least a portion of the continuous thread with a flowable liquid polymer. In some embodiments, the methods can comprise bonding a thread layer to a rigid plate such that one or more thread lines extend across an opening formed in the rigid plate.

The invention provides a fusion positioning mapping method using a single anchor point external confidence source. The method comprises the following steps: step 1, arranging UWB anchor points; 2, initializing the mobile robot; 3, processing a front-end point cloud map; step 4, processing UWB ranging information; step 5, key frame judgment; and step 6, optimizing a back-end factor graph. The invention provides a multi-sensor synchronous positioning and mapping system integrating a 3D laser radar, an inertial measurement unit and an ultra-wideband sensor, and aims to improve the positioning precision and trajectory estimation performance of a mobile robot in a complex environment. According to the method, a robust and efficient positioning scheme is provided by combining data of three sensors through a factor graph optimization method.

A method for evaluating an anchorage state includes steps of obtaining ship trajectories of ships within a certain time period in an anchorage; screening out ship trajectories including an anchoring process and eliminating trajectory points in a non-anchored state in the ship trajectories to obtain anchoring trajectories of anchored ships; clustering anchoring points in each of the anchoring trajectories, using a cluster center as an anchoring position point of each of the anchored ships; establishing an anchoring data set according to the anchoring position points; selecting anchoring data records in a predetermined time period in the anchoring data set; establishing an anchored ship position point set corresponding to the predetermined time period; and establishing Thiessen polygons corresponding to the anchoring position points; calculating an area of each of the Thiessen polygons to obtain an anchoring area of a corresponding anchored ship.

The invention discloses a port internal and external fleet positioning system and method, and relates to the technical field of intelligent positioning. The method is used for solving the problems of frequent occurrence of positioning blind areas, sensitive dynamic interference, uncontrollable error accumulation and low anchor point resource scheduling efficiency in a complex scene of a port. Anchor point coverage is dynamically calculated through metal environment signal attenuation characteristics, blind area information is generated in combination with vehicle trajectory clustering, and signal resource allocation is optimized. Ground texture gray scale entropy segmentation and cross-frame Bayesian correlation are carried out in a blind area, interference is eliminated, synchronous pose data are generated, and visual positioning robustness is improved. An error propagation chain model is constructed based on communication topology among vehicles, accumulated errors are corrected by fusing confidence coefficients of multiple vehicles, and the motorcade positioning consistency is enhanced. And finally, analyzing a port scheduling plan and a vehicle motion state, constructing a space-time prediction model, dynamically generating an anchor point instruction, and realizing on-demand scheduling of anchor point resources. The port vehicle positioning precision and the resource utilization efficiency are remarkably improved, and reliable support is provided for port automatic operation.

The invention discloses a wireless SLAM (Simultaneous Localization and Mapping) method based on multi-base station information fusion, which is characterized in that user positioning and environment mapping are respectively carried out by utilizing different characteristics of line-of-sight (LoS) and non-line-of-sight (NLoS) channel parameters. Based on an extended Kalman filter (EKF) framework, multi-base-station LoS path angle parameters are fused to predict a user position. In the aspect of environment mapping, a virtual reference point is used for replacing a virtual anchor point to model a reflecting surface, so that consistent environment description is formed among different base stations, and a unified map fusion framework is constructed for different scenes. According to the method, the user position predicted by fusing the EKF with the LoS path channel parameter is used as the priori of the PHD-SLAM particle filter, so that the particle efficiency is effectively improved. Finally, through the method, fusion perception of LoS and NLoS information of multiple base stations is realized, the perception performance is effectively improved, and the calculation burden is remarkably reduced.

The invention provides an indoor SLAM map construction method and system, and relates to the technical field of image processing, and the construction method comprises the steps: building a unified global space reference through cross-device space-time calibration, supplementing the visual blind area information of a robot in real time through the global static features extracted by an environment camera, and obtaining the visual blind area information of the robot; and meanwhile, dynamic interference features are accurately eliminated in combination with continuous frame analysis, and finally, the pose of the robot is continuously corrected by taking global features as anchor point constraints in back-end optimization. The complete technology chain enables the constructed indoor three-dimensional map to have higher integrity, precision and consistency, significantly improves the positioning robustness and navigation reliability of the robot in an environment with dense goods shelves and dynamic activities, reduces the performance dependence on a robot body sensor and the scene reconstruction cost, and improves the reliability of the robot. And a stable and efficient environment sensing basis is provided for automatic operation of industries such as storage and archive management.

The invention provides a composite tension sand blocking and silt reducing facility and method.The facility is composed of one or more units, each unit comprises a floating body, a composite tension curtain and an anchor point located at the bottom of a water body, one end of the composite tension curtain is connected to the floating body, and the other end of the composite tension curtain is connected to the anchor point; the composite tension curtain forms a sand blocking surface in the water between the bottom of the water body and the floating body by virtue of the buoyancy of the floating body, and the floating body is positioned on the water surface or suspended in the water; the composite tension curtain is formed by sewing two layers of geotechnical cloth together, a plurality of steel cables are inserted between the two layers of geotechnical cloth, a composite tension structure is formed to serve as a sand blocking and silt reducing curtain face, and main water flow force and wave force are borne by the steel cables. The flexible sand blocking curtain structure facility is economical, convenient to construct, suitable for large flow velocity and wave conditions and capable of blocking sand and reducing silt.

The invention discloses a sandbox type trusted data space construction method and equipment based on a trusted verification architecture, belongs to the technical field of data security circulation and trusted computing, and aims to overcome the defects that a traditional sandbox behavior is unknowable and untrusted and a strategy is rigid. The method comprises the following steps of: starting a sandbox in a hardware trusted execution environment and generating a task unique context identifier; intercepting system call by a monitoring agent; generating a chained operation certificate containing preorder certificate hash; compiling an advanced security policy into a deterministic finite automaton executable policy set; and the auditing unit is used for generating a decision instruction in an illegal scale, storing the chain anchor point to the non-tampering system, forcibly executing decision and generating a Merkel tree evidence. The equipment correspondingly comprises a sandbox management module, a behavior monitoring module, a strategy compiling module, a verification judgment module and an auditing execution module. The full-flow transparent tracing of the operation in the sandbox is realized, the strategy dynamic adaptation is supported, and the problem that a traditional sandbox monitoring log is easy to counterfeit and difficult to verify is solved.

The invention discloses a deflection non-contact detection method applied to a grid structure circular steel pipe rod piece, and relates to the technical field of steel pipe rod frames. The method comprises the steps that grid structure point cloud data are acquired through a laser scanner, and high-density voxels are obtained through voxel division and density analysis screening; performing spherical fitting on the high-density voxels, and extracting spatial spherical anchor points according to a spherical fitting difference value; constructing a grid space candidate connection matrix based on the spatial spherical anchor points, screening to obtain a linear point cloud paragraph, and fitting the axis of the rod piece through a least square method based on an RANSAC (Random Sample Consensus) algorithm; a connecting line of the spatial spherical anchor points serves as a theoretical axis of the rod piece, and a deflection degree value and a deflection offset vector are calculated through offset analysis with the fitting axis; when the deflection degree value exceeds a preset threshold value, marking an abnormal rod piece, and constructing a net rack local sub-graph by taking the abnormal rod piece as a center; and calculating a deflection direction consistency index and a deflection degree consistency index in the subgraph, calculating a local risk comprehensive index by combining the two indexes, and dividing risk grades.

The present disclosure provides a docking module for a two-wheeled personal vehicle which is capable of performing an assisted docking protocol to automatically lift a vehicle into a vertical position during the docking process to provide more space-efficient storage. Vehicles docked this way are securely stored until needed and can then be undocked in similarly assisted manner. The docking module achieves this using a motorized assembly that lifts a front wheel clamp up from the ground in response to a wheel sensor trigger. The lifting continues until the same wheel sensor detects proximity of the rear wheel of the vehicle, at which point the vehicle is locked into place. No lifting is required by the user, and the modular design of the dock allows installation on various anchor points.

The invention discloses an earthquake early warning device and method based on campus broadcast, and the method comprises the steps: carrying out the building response coupling analysis through receiving an early warning signal of an earthquake monitoring center, generating an earthquake magnitude-building coupling feature, and mapping the earthquake magnitude-building coupling feature into an enhanced early warning source adaptive to an acoustic environment; acoustic cavity detection is carried out based on threatened area identification, and differential playing topology is constructed; extracting a high-risk gathering area through personnel density scanning, generating personalized evacuation guiding content and determining a playing priority; high-precision time sequence control is realized by adopting a synchronous reference anchor point technology, and a multi-mode playing domain is constructed through carrier modulation and frequency division multiplexing; and finally, an acoustic navigation field is utilized to guide accurate scheduling and playing of audio signals, differential playing and accurate coverage of early warning information can be realized according to the anti-seismic characteristics and acoustic environment characteristics of different buildings, and an intelligent acoustic solution is provided for campus earthquake early warning.

The embodiment of the invention relates to the technical field of digital keys, and discloses a digital key unlocking and locking method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the distance measurement information of a plurality of UWB anchor points on a vehicle in real time under the condition that a digital key is located outside the vehicle; under the condition that a minimum effective distance measurement value is obtained according to the obtained distance measurement information of the UWB anchor points, corresponding positioning area information is determined according to the minimum effective distance measurement value; and obtaining a change mode of the positioning area according to the positioning area information obtained through multiple times of distance measurement, and controlling the vehicle to be unlocked or locked according to the change mode of the positioning area. The positioning area where the current key is located relative to the vehicle is determined according to the minimum effective distance measurement values of the UWB anchor points, then unlocking or locking is conducted according to the judgment result whether the change mode of the positioning area conforms to the unlocking or locking change rule of the corresponding positioning area or not, and therefore the unlocking and locking positioning performance requirement is met, calculation is simple, and implementation is easy.

The invention relates to the technical field of data processing, in particular to a data enhancement prediction method for the thermoelastic quality factor of a micro-hemispherical resonator, which comprises the following steps: S1, determining the radius size of the manufactured micro-hemispherical resonator, determining the simulation value range of the radius and thickness of an anchor point of the resonator, and determining the simulation value range of the thickness of the resonator; harmonic oscillators with different geometric boundary dimensions are established through high-temperature blow molding simulation; s2, thermodynamic simulation is carried out on the harmonic oscillator appearance obtained through blow molding simulation, and a harmonic oscillator thermoelastic quality factor data set is established; s3, performing data enhancement on the thermoelastic quality factor data set by adopting a cubic polynomial fitting method; and S4, training the enhanced thermoelastic quality factor data set by using a deep learning model to obtain a harmonic oscillator thermoelastic quality factor prediction model. According to the method, the bottleneck of scarcity of high-precision simulation data is broken through, unification of high precision and high efficiency is realized, the robustness and reliability of a prediction model are improved, and the method has wide engineering applicability and popularization value.

The invention discloses a control scheduling method and system for an anchoring parking area, and relates to the technical field of control scheduling. Comprising the following steps: periodically scanning a ship to be moored to obtain an attitude parameter set, synchronously mapping the attitude parameter set to a unified space coordinate system, and constructing an original anchoring parameter matrix; carrying out ship-by-ship matching on the original anchoring parameter matrix and a preset anchoring ground berth rule, constructing a berth feasibility judgment matrix, and identifying an actual mooring area set in the current anchoring ground; based on the berth feasibility judgment matrix, performing spatial reconstruction on each anchoring point in the actual mooring area set by adopting hierarchical scheduling, and outputting a structured scheduling instruction set; and packaging the structured scheduling instruction set into a structured scheduling information packet through shore side communication, and issuing anchoring adjustment information to the target ship. According to the invention, fine identification and screening of the current available anchoring area are realized, and the accuracy and safety of berth distribution are significantly improved.

The invention discloses a self-stabilization system of an exterior wall robot, and relates to the technical field of engineering construction robots, and the self-stabilization system comprises a phase reference module, a frequency spectrum coupling module, a playback prediction module, a gap evolution module, a feedforward compensation module and an energy regulation and control module, constructing a millisecond-level phase comb index based on the wind vibration phase reference field, and locking a zero-phase anchor point in the phase comb index to form an initial constraint condition of attitude perception; according to the method, the closed-loop control of the outer wall robot from disturbance sensing to fine control is realized by constructing a six-stage self-stabilization process. The system introduces millisecond-level phase anchor point locking, cross-frequency information fusion, disturbance trend prediction, adhesion gap dynamic mapping, multi-channel compensation control and energy reverse regulation and control mechanisms, and can significantly improve the operation stability, adaptability and safety in a high-rise complex outer wall environment without depending on a mechanical redundant structure.