332 results about "Mobile carrier" patented technology

The invention relates to a liquid crystal phased array dynamic star finding control method based on holographic phase coding. The method comprises the following steps: acquiring an expected beam pointing angle of a target satellite relative to an antenna array; generating a two-dimensional phase matrix suitable for a liquid crystal phased array based on the expected beam directional angle; performing temperature compensation on the two-dimensional phase matrix, converting the two-dimensional phase matrix into a digital driving level, and loading the digital driving level to a liquid crystal driving circuit; a radio frequency beam pointing to the expected beam pointing angle is formed through radiation of the liquid crystal phased array antenna panel; and beam pointing errors are detected in real time according to downlink signal characteristics and are compensated. The liquid crystal phased array dynamic star finding control method based on holographic phase coding shows remarkable technical progress and practical advantages in multiple aspects; according to the method, a high-performance and high-reliability dynamic beam pointing system is constructed through key technologies such as holographic phase coding, real-time temperature compensation, high-speed calculation and closed-loop feedback, and the method is particularly suitable for high-dynamic scenes such as high-speed mobile carriers and low-orbit satellite communication.

The invention belongs to the technical field of roadway navigation, and particularly relates to an integrated navigation method and device based on inertial navigation and laser radar and a medium, and the method comprises the following steps: scanning by using the laser radar to obtain point cloud data, and calculating the position of a carrier based on the point cloud data; establishing a kinematic model of the mobile carrier, and calculating a distortion error of the mobile carrier; measuring motion information of the mobile carrier by adopting inertial navigation; and compensating the point cloud data based on the motion information of the mobile carrier, and completing navigation calculation based on the compensated point cloud data. The point cloud data acquired by the laser radar are compensated through the inertial navigation data, point cloud distortion is compensated in real time, and the geometric quality and the positioning precision of the point cloud are improved.

The invention relates to the technical field of underground space detection, and discloses a high-resolution three-dimensional imaging GNSS (Global Navigation Satellite System) positioning type shallow cavity detection system which comprises a mobile carrier platform, a step frequency continuous wave radar subsystem, a high-precision positioning and attitude sensing subsystem, a central control and edge calculation subsystem and a wireless communication module. According to the system, radar acquisition and hardware-level synchronization of positioning data are realized by using GNSS pulse per second; the central control subsystem dynamically modulates the radar frequency step number and the residence time according to the instantaneous velocity of the carrier to ensure that the space sampling interval is constant; and signal enhancement is carried out in combination with geographic semantic prior, three-dimensional deduction reconstruction is carried out on sparse survey line data by using a conditional generative adversarial network, and active supplementary collection of a reverse-driven low-confidence region is evaluated through confidence. According to the method, high-precision positioning, self-adaptive efficient acquisition and full-process closed-loop detection of the underground cavity are realized, and the reliability of detection data and the engineering application value are improved.

The invention discloses a least square covariance dynamic weighting satellite inertial navigation combined attitude determination method, which belongs to the technical field of combined navigation and mobile carrier attitude determination, is used for satellite inertial navigation combined attitude determination, and comprises the following steps: obtaining and preprocessing original data, constructing a nonlinear observation model, linearizing by using a Gauss-Newton iterative algorithm, and solving; performing time updating of an error state vector and a state covariance based on inertial navigation system mechanical arrangement; and reconstructing a measurement noise covariance matrix of extended Kalman filtering, constructing a measurement information vector, calculating Kalman gain, performing state updating, and outputting an attitude determination result. According to the method, the current epoch least square posterior covariance is introduced for dynamic weighting, so that instantaneous delay-free adaptive fusion is realized, the short baseline noise amplification effect is remarkably inhibited, and the attitude estimation precision, the statistical consistency and the real-time observation quality self-diagnosis capability under the complex sea condition are improved.

The invention discloses a visible light positioning method based on a single light source base station and double photosensitive position detectors. The method comprises: constructing a visible light positioning system; defining a world coordinate system, a PSD coordinate system and a PSD imaging coordinate system; calibrating two PSD internal parameters in the visible light positioning system by using a Zhang Zhengyou calibration method and an asymmetric dot calibration plate; the world coordinates of the LED light source and the external parameters of the PSD are calibrated; and determining the real-time coordinates of the mobile carrier in the world coordinate system. The method has the advantages that the double PSD receivers and the single light source base station are used for positioning the mobile carrier, positioning coordinate calculation can be carried out as long as the mobile carrier loaded with the double PSD receivers is located in the coverage area of one light source base station, operation is safe, easy and convenient, the degree of dependence on the light source density is reduced, and the applicability of the visible light positioning technology is enhanced.

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.

The invention belongs to the technical field of clean plate installation, and particularly relates to hoisting equipment for clean plate installation construction, which comprises an operation driving assembly and a clamping external expansion assembly, and the clamping external expansion assembly is installed at the execution end of a multi-axis manipulator through the operation driving assembly. The number of the multi-axis mechanical arms is two, and bases of the multi-axis mechanical arms are jointly installed on a moving carrier. The operation driving assembly can drive the clamping external expansion assembly and the cleaning plate component clamped by the clamping external expansion assembly to conduct lifting or vertical overturning or horizontal overturning operation, the cleaning plate component comprises a cleaning plate body, a dovetail-shaped self-locking protruding block is arranged at one end of the cleaning plate body, and a dovetail-shaped self-locking groove matched with the dovetail-shaped self-locking protruding block is formed in the other end of the cleaning plate body. The clamping external expansion assembly can clamp the cleaning plate component and perform external expansion operation on a dovetail-shaped self-locking groove of the cleaning plate component when clamping and self-locking are needed. The equipment is reasonable in design, and the cleaning plate components do not need to be staggered and can be directly clamped and assembled.

The application discloses a kind of vehicle-mounted tunnel lighting index measurement system, method, electronic equipment and medium, belong to highway tunnel lighting measurement technical field, comprising: mobile carrier, luminance acquisition module, for collecting luminance information in tunnel is set to the upper end of mobile carrier;Real-time calibration module is set to mobile carrier, and with the luminance acquisition module communication connection, for the real-time calibration of collected image luminance information;Tunnel positioning module is set to mobile carrier, for constructing the 3D point cloud of tunnel environment, carries out equidistance luminance dot distribution analysis to tunnel pavement;Visual display module is set to mobile carrier, and with the luminance acquisition module, real-time calibration module and tunnel positioning module communication connection, for showing equidistance luminance dot distribution and analysis result.The application effectively reduces the time cost, manpower cost and field layout cost of traditional lighting detection, realizes tunnel lighting index full-line automatic detection.

The application discloses a heating furnace roller bed polishing device and a polishing method, and belongs to the field of heating furnace roller bed polishing devices. The device comprises a mobile carrier, a lifting mechanism, a transverse moving mechanism, a polishing unit, an electric control unit, a cable drum and a counterweight assembly. The mobile carrier is suitable for being hoisted to the heating furnace roller bed and moving along the extension direction of the roller bed. The lifting mechanism is arranged on the mobile carrier. The transverse moving mechanism is arranged on the lifting mechanism. The polishing unit is arranged on the transverse moving mechanism and located on one side of the mobile carrier. The polishing unit comprises a driving wheel, a driven wheel, a sand belt, a driven wheel supporting arm and an elastic tensioning assembly. The lifting mechanism can drive the polishing unit to descend towards the roller bed. The transverse moving mechanism can drive the polishing unit to move along the axial direction of the roller bed. The electric control unit is used for controlling the mobile carrier to automatically change positions at a preset roller bed interval. The application can realize automatic polishing of the roller bed in the semi-closed, high-temperature and high-dust environment of the heating furnace, reduces manual work in the furnace, improves polishing efficiency and reduces operation risks.

The invention provides a construction method of a virtual electromagnetic environment model and a test device. The construction method comprises the following steps: acquiring multi-dimensional test data of a mobile carrier in a target scene; taking a timestamp of the baseband signal data as a reference, performing synchronous fusion on the positioning data and the attitude data, and generating a synchronous data set; performing parameter estimation on the synchronous data set, and separating a relative channel parameter of the multipath component in a mobile carrier coordinate system; converting the relative channel parameters into absolute space parameters under a geographic coordinate system based on the instantaneous space state, and determining physical scattering source characteristics corresponding to the multipath component based on the relative channel parameters and the absolute space parameters; and generating a virtual electromagnetic environment model based on the absolute space parameters and the physical scattering source characteristics. In the mode, a structured virtual electromagnetic environment model containing absolute space attributes can be generated, and then high-fidelity digital reconstruction and reproduction of a complex dynamic electromagnetic environment in a real scene are realized.

This invention discloses an assembled pipeline inspection robot, comprising an assembled mobile carrier and a probe head. The front end of the assembled mobile carrier is provided with a front insertion socket, and the probe head has a connector. The probe head is detachably inserted into the front insertion socket and electrically connected to the assembled mobile carrier. By using an assembled mobile carrier, when the assembled mobile carrier malfunctions, the faulty module can be quickly replaced directly. This allows for on-site equipment maintenance, shortens equipment maintenance time, and avoids delays in the project schedule.

The utility model discloses an elastic compensation jet device and belongs to the technical field of high-speed jet. The utility model provides an elastic compensation jet device which aims at solving the problems that a traditional jet device is seriously limited in use scene, the advantages of jet fluid cannot be exerted when the jet device is used on an uneven bearing face, and the speed of jet flow is seriously attenuated due to the influence of air resistance. According to the using method, when the movable carrier drives the jet flow part to work through the elastic compensation structure, high-speed fluid sprayed out of the jet flow nozzle is in a film shape. A series of defects and limitations of low efficiency, poor effect, large fluid flow, easiness in abrasion of a working surface, limited use scene and the like of a traditional jet mode are overcome, and the beneficial effects of high efficiency and high-standard jet are achieved.

The invention discloses a fire source positioning method and system based on combination of thermal imaging and laser ranging, and relates to the field of fire prevention and control. Acquiring a thermal image, an original image and point cloud data of a target area, identifying a fire source candidate area, constructing a cylindrical coordinate system taking one end of a central axis of the fire source candidate area as an original point, and generating a three-dimensional model containing fire source space attitude and obstacle information; adjusting the shooting angle of the thermal imager in combination with the three-dimensional model, and planning a surrounding path containing an effective detection point location; the mobile carrier is controlled to move along the path, and a three-dimensional space constraint matrix is generated; performing Lie algebraic fusion on the thermal imaging signal features and a three-dimensional space constraint matrix in a symplectic geometric space, dynamically adjusting a laser ranging covariance weight through a confrontation recognition model, and mapping the laser ranging covariance weight into a space coordinate of a fire source in a cylindrical coordinate system; and calculating the Riemannian manifold distance between the positioning coordinate and the pre-path data, and when the Riemannian manifold distance exceeds a threshold value, re-sampling the data, updating the model weight and re-positioning. According to the invention, the fire source positioning precision is greatly improved.

A disclosed method may include (i) receiving, by a cellular network health monitoring software tool, a natural language query from an agent of a mobile operator operating a fifth or later generation cellular network regarding operational status of a network function on the fifth or later generation cellular network and (ii) vectorizing, by the cellular network health monitoring software tool, the natural language query through vector embedding such that the query is standardized.

The application belongs to the technical field of structural energy, and particularly relates to a structural integrated energy skin with hierarchical pore limited hybrid superstructure. The energy skin comprises: a two-dimensional covalent organic framework film as a continuous phase host framework, a photoelectric active guest component located in the pore structure of the host framework and penetrating through the thickness direction of the film, a molecular level interface passivation layer introduced by a gate vapor pulse and discontinuously distributed on the host-guest heterojunction interface, and a charge selective contact structure. The host framework has a first pore structure for interface limitation and a second pore structure for guest transmission. During preparation, the guest is generated in situ in a limited space by gas phase permeation, and its grain boundary fusion is induced by passivation and flash solidification in cooperation with the gate vapor pulse. The application constructs a trinity physical constraint architecture of host-guest-interface, effectively inhibits ion migration and non-radiative recombination, realizes high stability output in a complex environment, and is suitable for mobile carrier load bearing skin.

A disclosed method may include receiving, by a mobile operator of at least a fifth generation HPLMN, a first API response to a first KPI API call that specifies a number of home subscribers registered with a first NF of the HPLMN and a second API response to a second KPI API call that specifies a total number of subscribers registered with a second and distinct NF of the HPLMN such that the total number of subscribers includes both home subscribers and roaming subscribers that are roaming on a VPLMN.

An object processing system is disclosed that includes a plurality of remotely actuatable carriers for controlled movement in at least two mutually orthogonal directions, each carrier including a base and a payload portion for receiving a container, each the payload portion being adapted to move in an elevational direction and a rotational direction about a rotational axis that is substantially parallel with the elevational direction.

This invention discloses a universal mobile carrier navigation control method that integrates safety zone and pedestrian density, belonging to the field of intelligent navigation and safety control technology. This method constructs a multi-layered digital navigation map under a unified coordinate system; it acquires real-time pedestrian density and environmental data around the carrier through a sensor network and cloud interface; in normal mode, it plans conventional paths to avoid high-density pedestrian traffic based on a safety-first principle; when the carrier malfunctions or triggers an emergency signal, the system automatically switches to an emergency avoidance mode, selects the nearest avoidance area that meets safe stopping conditions, and controls the carrier to move along the avoidance path and complete a precise stop. This invention has strong versatility and is applicable to various carriers such as aircraft, ground vehicles, robots, and ships, significantly reducing the safety risks in the operation of urban mobile carriers.

A disclosed method may include receiving, by a server of a mobile operator across a first channel, a first International Mobile Subscriber Identity (IMSI) in an initial Non-Access Stratum (NAS) message from a User Equipment (UE) in which an Original Equipment Manufacturer (OEM) embedded the first IMSI such that a second IMSI that the mobile operator provisioned to a subscriber is protected by the first IMSI initially substituting for the second IMSI.

A field-configurable apparatus for different aerial applications is provided. The field-configurable apparatus attaches to an aerial boom on a mobile carrier. The apparatus can perform rapid semi-precise cutting of vegetation. Additionally, the apparatus can perform more precise trimming of one or more areas (e.g., limbs) and optionally use a limb clamp to prevent cut limbs / vegetation from arbitrarily falling on objects below the cutting area. Still further, the apparatus can have a grapple or similar device attached to the end of the boom for use in relocating debris or for loading debris. Other industrial applications are also possible (e.g., commercial water blasting, deicing of planes, etc.). In each configuration, the apparatus comprises one or more rotatable or pivoting couplings to allow for rotation about one or more axis and therefore allow precise manipulation of an aerial tool assembly from an operator in the vehicle or on the ground.

This invention provides an indoor magnetic navigation verification system and its operating method. The system includes an experimental platform, an optical positioning system, and a display terminal. The experimental platform, from bottom to top, comprises a support layer, a magnetic source deployment layer, a scene support layer, and a carrier operation layer. The magnetic source deployment layer contains a magnetic source array capable of receiving magnetic source control signals sent by a host computer. The magnetic source array includes multiple magnetic sources. A mobile carrier runs on the carrier operation layer. An edge computer acquires the motion data of the mobile carrier and outputs it to the host computer, which calculates the estimated trajectory of the mobile carrier. The optical positioning system includes multiple camera devices for acquiring the actual trajectory of the mobile carrier. The display terminal acquires the actual trajectory output by the optical positioning system and compares and displays the estimated trajectory with the actual trajectory. This invention also provides the operating method of the system. This invention can construct a verification system that can be repeatedly verified.

The invention discloses a modularly-spliced movable public art landscape device, and relates to the field of public art landscapes, the public art landscape device is configured to be a landscape curtain wall with a day and night dual-mode switching function, and the landscape curtain wall comprises a wheel type movable carrying table, a storage back bin, a green plant landscape module, a water supplementing assembly and a projection module; the wheel type movable carrying platform is used for carrying the storage back bin and realizing movement and fixation; the storage back bin is of a bin body structure vertically fixed to the top face of the loading bin, and a semi-closed cavity for containing the green plant landscape module is formed in the storage back bin. The multiple sets of green plant landscape modules are distributed in the semi-closed cavity of the storage back bin in an array mode. The public art landscape device not only can present a complete green plant landscape in the daytime, but also can form a flat and continuous projection surface at night to realize laser image display, and meets the dual requirements of urban public space on the functions and attractiveness of a movable day and night dual-mode landscape curtain wall.

The invention discloses a preassembling platform and method for a middle assembly of an underground belt conveyor, and belongs to the technical field of coal mine mechanical equipment. The preassembling platform comprises a mobile carrier platform modified based on a track flat car, a longitudinal sliding rail and a crossing type door type assembling unit are arranged on the upper portion of a car body, and an embedded feeding system is integrated in the car body or below the car body. The gate-type assembling unit adopts a driving locking mechanism of a friction wheel and a synchronous belt, and a clamping assembly aiming at the H frame and the upper bracket is hung on the gate-type assembling unit. Through the design of'upper and lower layering and vehicle-machine integration ', automatic transportation, hoisting and pre-assembly of heavy components in the middle of the belt conveyor are achieved in a narrow underground roadway, the problems that traditional manual assembly is low in efficiency and large in safety risk are solved, and the laying efficiency of an underground fully-mechanized coal mining transportation system is remarkably improved.

The application discloses an automatic mobile carrier, which comprises a frame, a fixing member, two first protrusions, two second protrusions, two third protrusions and a shaft. The frame has a plate body, and the plate body has a plurality of through holes for penetrating two plate body surfaces opposite to each other. The fixing member has two side surfaces and a connecting surface connecting the side surfaces, the side surface has a through hole, and the connecting surface is connected with one of the plate body surfaces. The first, second and third protrusions are arranged on the fixing member, the cross-sectional width of the first protrusion extends along a first direction, the cross-sectional width of the second protrusion extends along a second direction different from the first direction, and the cross-sectional width of the third protrusion is substantially parallel to the first direction. The third protrusion is separated from the second and first protrusions respectively, and the first, second and third protrusions are correspondingly inserted into the through holes. The shaft penetrates the fixing member through the through hole and connects two separated wheel sets.

This application relates to the field of road maintenance engineering technology, and in particular to a method and apparatus for repairing road cracks. The method includes: real-time acquisition of raw data on the attitude of the crack filling vehicle and geometric parameters of the crack ahead; filtering and calculating the pitch angle and roll angle, which characterize the road slope; constructing a dynamic model of the filling material flow based on the above parameters; solving for and executing the optimal pumping pressure sequence through model predictive control; and adaptively adjusting the nozzle angle. The apparatus includes a mobile carrier and integrated sensing, control, execution, and power supply units. This invention achieves precise matching between the filling parameters and real-time working conditions, improves filling uniformity, reduces filling waste, and enhances operational efficiency and quality stability. It is suitable for refined road maintenance and has strong practicality.

The invention provides a binocular vision reconstruction method and system for a mobile carrier based on dynamic baseline expansion, and the method comprises the steps: installing an IMU sensor, a GPS positioning device, and two cameras which are in bilateral symmetry on the same parallel plane on the mobile carrier, and carrying out the time synchronization of the two cameras, the IMU sensor and the GPS positioning device; the binocular vision reconstruction method for the mobile carrier comprises the following steps: S1, receiving left and right video frames, IMU attitude data and GPS displacement data collected by two cameras, an IMU sensor and a GPS positioning device at the same time; s2, performing target detection on the left and right video frames to obtain position information of a target in the left and right video frames; s3, motion compensation is carried out on the IMU attitude data and the GPS displacement data, position information of the target in the left and right video frames is converted into a virtual baseline based on motion compensation, depth calculation is carried out, and the depth of the target is obtained; and S4, performing three-dimensional space reconstruction on the target based on the target depth.

Systems and methods for enhanced CSFB in a mobile operator core network are described. In one embodiment, a method of wireless communication by a user equipment (UE) is disclosed, comprising: directing a UE to move from an original cell using a first radio access technology (RAT) to a second cell using a second RAT to permit a circuit switched (CS) call; terminating the CS call at the second cell; determining whether the UE should reselect to the first RAT; identifying a target cell that may be in a same location as the second cell and that uses the first RAT; and sending the identified target cell to the UE within a field in a radio resource control message.

Disclosed is a tagless payment management apparatus in which boarding and alighting are detected in a tagless manner by a user terminal carried by a passenger and a tagless device of a station, and travel route information is determined by extracting the location information of the passenger according to the movement of a transportation means by receiving base station information of a mobile carrier from the user terminal, thereby enabling accurate intermodal fare settlement based on an actual travel route of a passenger when settling the payment fare per operating agency of public transportation means capable of transfer.

The utility model provides a portable intelligent recording pen with a plug-in clamping assembly, which comprises a recording pen body, a rear protection plate arranged on one side of the recording pen body, a plurality of groups of slide rail plates arranged on the rear protection plate, connecting slide blocks arranged on the plurality of groups of slide rail plates, and a movable carrier plate arranged on the plurality of groups of connecting slide blocks. A containing groove is formed in the movable carrying plate, a clamping assembly for clamping clothes is arranged on the containing groove and comprises a columnar containing column, the columnar containing column is located on the movable carrying plate, guide plates are arranged on the two sides of the containing groove, fixed clamping blocks and spring clamping blocks are arranged between the multiple sets of guide plates, one end of each spring clamping block is connected with the columnar containing column, and the other end of each spring clamping block is connected with the corresponding clamping assembly. And a limiting clamping column is arranged on the fixed clamping block. According to the recording pen, the position of the clamping assembly can be adjusted through the rear protection plate arranged on one side of the recording pen body, the sliding rail plate and the movable carrying plate, and after the recording pen is carried out, a user can adjust the clamping assembly to a proper position by moving the movable carrying plate along the sliding rail plate.

The utility model discloses a wireless charging device and a mobile carrier, and belongs to the technical field of vehicle-mounted charging. The circuit board is connected with the second shell; the clamp is provided with a locking structure, and the locking structure penetrates through the circuit board and the second shell and fixes the circuit board and the second shell; the locking block is located on the side, away from the circuit board, of the second shell, and the locking block is connected with the second shell; wherein the locking block is provided with a first position and a second position, and when the locking block is located at the first position, the locking block is far away from the circuit board; when the locking block is located at the second position, the locking block is close to the circuit board, and the locking block moves the locking structure so that the circuit board can be movably connected with the second shell. According to the wireless charging device provided by the embodiment of the invention, the circuit board can be packaged and protected through the cooperation of the locking block and the locking structure, and meanwhile, the circuit board can be disassembled without damage by moving the locking block, so that the packaging and repairing difficulty of the circuit board is reduced.