25results about How to "Solve the positioning problem" patented technology

This invention discloses a GNSS interference source localization method based on ADS-B data. The method involves acquiring ADS-B data, saving data points affected by GNSS interference, and, if no NIC is available, constructing ADS-B data with a NIC. The message data is then sorted by ICAO and timestamp. A diagonal matrix W is calculated based on the ICAO, timestamp, NIC, a table showing the correspondence between NIC and received interference power, and the hyperparameter value τ. A residual vector R is calculated based on the message data and the optimization vector, and the optimized vector is then output. This invention analyzes large-scale aviation ADS-B data, sorts and classifies the original message data to determine whether flights are subject to GNSS interference, and abstracts the interference source localization problem into a least-squares problem. An optimization function is constructed, and an iterative optimization algorithm is used to calculate the possible GNSS interference source locations and transmission power, thus more efficiently locating GNSS interference sources.

The invention discloses a welding fixture for motorcycle production, and relates to the field of welding fixtures, the welding fixture comprises a fixture body, a connecting plate is arranged in the middle of the back surface of the fixture body, convex parts symmetrically extend outwards from two sides of the fixture body, and L-shaped convex parts extend outwards from the front surface of the surface of the fixture body. According to the welding clamp for motorcycle production, through cooperation of the positioning frame, the vertical displacement frame, the vertical shaft, a third spring, a rotating ring, a rotating rod, a sleeve rod, a vertical strip and an inner pipe insert block, a workpiece port can be limited in the height direction, the rotating direction and the inserting direction, the tubular end enters the port through the inner pipe insert block, and the non-tubular end abuts against the outer wall through the inner pipe insert block; the position is adjusted by matching with a vertical frame, a clamping plate, a transverse shaft, a sliding seat, a bottom frame and a second spring, so that the movement of the end part of a workpiece before welding is limited, the problems of deviation of a pipe port, dislocation of a welding spot and shaking after clamping are solved, the clamp adapts to the positioning requirements of a port piece and a plate piece, and the clamp changing process is reduced.

The invention provides a highway fee evasion vehicle intelligent identification and trans-provincial retailer method and system. The method comprises the steps of obtaining a trans-provincial compensation work order, querying a portal transaction flow of a province, obtaining a candidate portal flow data set, carrying out license plate matching judgment according to the data set, carrying out similar vehicle searching and generating a checking conclusion if the data set is not completely matched, and storing license plate identification evidence and checking an exit transaction flow if the data set is completely matched. And finally, constructing a structured evidence chain based on the data set, the search result and the check conclusion. According to the invention, through an intelligent license plate matching and similar vehicle searching mechanism, the problem that the cross-provincial fee evasion vehicle is difficult to retrack due to license plate recognition errors and fee evasion by using a similar license plate fake plate is effectively solved, the accuracy and efficiency of retrack checking are improved, a complete, credible and traceable evidence chain system is constructed, and the method and the device have a wide application prospect. And a reliable technical support is provided for realizing accurate compensation of trans-provincial vehicles.

The application relates to the technical field of mobile terminal automatic testing, in particular to a mobile terminal full-scene automatic testing system based on AI visual identification and a testing method thereof, which comprises a backend control layer, an automatic driving layer, an AI visual identification layer, a time execution layer, a cross-platform adaptation layer and a tool support layer. The application reduces the dependence on UI element IDs in the mode of AI visual identification, does not need to modify scripts in iteration, can directly realize version control, improves the maintenance and testing efficiency, and has high positioning accuracy and compatibility.

The invention discloses an automatically-adjusted workpiece clamping system and a control method, and belongs to the technical field of machining, clamping and positioning. The system comprises a clamp base, a lineation detection unit, an image acquisition unit, a hydraulic adjustment unit and a control unit. The hydraulic adjusting unit comprises hydraulic cylinder sets in the X direction, the Y direction and the Z direction, the two hydraulic cylinders in the Z direction are communicated through a hydraulic communicating device to form linkage, the two hydraulic cylinders in the Z direction and the other two hydraulic cylinders jointly form a three-point supporting structure, and the over-positioning problem of four-point supporting is solved. The control unit carries out processing and feature extraction on the image, calculates the six-degree-of-freedom deviation of the workpiece, calculates the adjustment amount of each hydraulic cylinder according to the deviation and controls the hydraulic cylinders to act. The system realizes closed-loop automatic adjustment of the position of the workpiece by cyclically executing the detection and adjustment process until the six-degree-of-freedom deviation is within the allowable range. Automation and high precision of large workpiece clamping and positioning are achieved, and the device is suitable for precise positioning of large heavy workpieces such as train chassis.

The present application relates to ceramic matrix composite forming die, tooling and method, specifically relates to large complex closed cavity thin-walled structure ceramic matrix composite component overall forming tooling and method, in order to solve the existing technology exists ceramic matrix composite component parts assembly gap, overall strength is insufficient, service life is reduced and other insufficient, the present application large complex closed cavity thin-walled structure ceramic matrix composite component overall forming tooling includes shaping auxiliary tooling and graphite forming die, shaping auxiliary tooling includes M skeleton box shaping tooling and first bottom plate, wherein, M is greater than or equal to 1, graphite forming die includes M inner mold forming die, annular forming die and outer mold forming die, the present application large complex closed cavity thin-walled structure ceramic matrix composite component overall forming method is based on the above tooling, in turn includes preform shaping, preform densification forming, component processing, realizes overall forming.

This invention discloses a screw removal and installation device and method for narrow gaps, including a door body with a groove inside. A guide rail platform is installed on one side of the door body, and a positioning mechanism is installed on the other side. A flipping mechanism is installed on the guide rail platform, and a screw removal and installation mechanism is installed on the flipping mechanism. The screw removal and installation mechanism is located in the groove. A positioning block is installed on the bottom surface of the groove, and a feeding mechanism is installed on the top surface of the groove. This invention uses a positioning mechanism that allows operation with the equipment back panel as a reference plane, effectively solving the positioning problem caused by the non-parallelism between the wall and the electrical cabinet, and significantly improving the accuracy and efficiency of operation. The feeding mechanism enables automatic feeding, eliminating the need for manual operation and improving the convenience and efficiency of operation. The screwdriver head can tilt within a certain angle, automatically aligning with the screw head, effectively avoiding misalignment errors that could prevent removal or screw damage, thus improving the success rate of operation and the maintainability of the equipment.

This invention discloses a positioning method, system, and storage medium for inspection robots operating in long aisle corridors. It constructs a grid map of the long aisle, records the 2D laser scan profiles of the inspection robot at the beginning and end of the aisle, and the robot's current pose. Based on the robot's laser positioning system and 2D laser scanning device, it acquires the robot's real-time pose and real-time 2D laser scan frames. The difference between the robot's real-time pose and the recorded pose at the beginning of the aisle is calculated. Registration is then performed using the real-time received 2D laser scan frames and 2D laser scan profiles to determine the robot's current position. This invention solves the positioning problem of inspection robots in long aisle scenarios without increasing the robot's cost, demonstrating good adaptability to various scenarios.

The present application belongs to the field of precision microfabrication, and discloses a microstructure substrate film forming method combining ultrasonic oscillation and doctor blade coating, comprising the following steps: positioning and fixing the microstructure substrate; improving the wettability of the microstructure substrate; removing the excess solution on the microstructure substrate and leveling the liquid film. The microstructure substrate is immersed into the solution in the ultrasonic instrument, the solution is oscillated by the amplitude and frequency of the ultrasonic wave, the contact angle of the solution at the bottom of the microstructure is reduced by the hysteresis effect of the contact angle, and the air layer at the bottom of the microstructure is removed by the cavitation effect of the ultrasonic wave, so as to enhance the wettability of the solution to the bottom of the microstructure. The wettability of the solution to the microstructure substrate is effectively improved, the problems of poor wettability of the solution to the bottom of the microstructure, multiple repetitive operations and long process in the existing single wet coating method are overcome, and the thin film with high coverage, ideal film thickness and uniformity is prepared on the microstructure substrate.

The embodiment of the application relates to the technical field of electromagnetic element processing, and discloses a tool equipment and a method for manufacturing an electric slip ring, the tool equipment comprising a positioning mechanism, a transfer mechanism, a pressing mechanism and a clamping mechanism, the transfer mechanism comprising a transfer base and a transfer sleeve rod, the transfer sleeve rod being provided with a plurality of positioning steps, the pressing mechanism being used for sleeving a plurality of metal rings on the transfer sleeve rod, the clamping mechanism comprising a base, a first clamping assembly, a first driving assembly, a second clamping assembly, a second driving assembly and a third clamping assembly, the third clamping assembly being used for clamping the plurality of metal rings, the first clamping assembly being used for clamping the transfer sleeve rod, and the second clamping assembly being used for sleeving part of the mounting seat into the plurality of metal rings. Through the above mode, the embodiment of the application can solve the problems of inaccurate positioning of the metal ring in the assembly process, cable crushing and size error and the like in the existing assembly mode.

This application relates to the field of forklift wiring harness production and discloses a wiring harness storage mechanism for forklift wiring harness production. The mechanism includes a wiring harness storage rack with directional wheels on both sides of the bottom end. A fixed frame is fixedly connected to the outer surface of the rack in parallel. Several support members are symmetrically welded to the front and rear ends of the outer surface of the fixed frame. A fixing clip is fixedly installed on the upper surface of each support member. A connecting shaft is hinged to one side of each fixing clip. A movable clip is installed in the middle of the outer surface of the connecting shaft. Several mounting slots are provided at the ends where the fixing clip and the movable clip intersect. This application, by setting up the fixing clip, movable clip, mounting slots, support blocks, and wiring harness sleeves, avoids the wiring harness from tangling and clustering together. Compared with existing technologies, this solution effectively solves the wiring harness positioning problem, improves the orderliness and convenience of wiring harness storage, reduces the difficulty of subsequent wiring harness organization, and ensures the smooth progress and quality of forklift wiring harness production.

This invention discloses a bonding and positioning system for irregularly shaped products based on customized Mark points, comprising: a marking production unit for processing at least two identifiable Mark points on the surface of the irregularly shaped product to be bonded; a vision acquisition unit for acquiring image information data and spatial position data of the irregularly shaped product with identifiable Mark points; and a control unit, communicatively connected to the vision acquisition unit, calculating the pose deviation of the irregularly shaped product to be bonded based on the image information data and spatial position data, and generating compensation commands. This invention customizes and processes high-precision Mark points on the product body, providing a stable and dedicated recognition benchmark for the vision system, fundamentally overcoming the positioning difficulties caused by the irregular shape and weak contour features of irregularly shaped products.

This invention relates to the field of coal seam permeability enhancement technology, and discloses a method and apparatus for multiple fracturing of low-permeability coal seams using a combination of electrical pulses and supersaturated ammonium carbonate solution. The method includes: Step 1, drilling a single-hole long borehole in the coal seam, and then arranging an integrated discharge device within the borehole; Step 2, injecting a high-pressure supersaturated ammonium carbonate ion solution into the borehole, using a data monitoring and control center system to monitor the data within the borehole and control the integrated discharge device to release electrical pulses into the high-temperature, high-pressure conductive medium filling the borehole, thereby fracturing the coal seam and releasing gas; Step 3, after the electrical pulses are repeated 6-8 times, the discharge is stopped, the electrolyte solution is drained, and the integrated discharge device is removed. The single-hole long borehole is then connected to a gas extraction pipeline for gas extraction. This invention is safe, highly efficient, and has wider applicability, possessing urgent practical significance and important technical value.

This invention relates to a space-air collaborative multi-target sorting and positioning method based on a position information field, belonging to the field of passive positioning. Utilizing the flexibility and maneuverability of a UAV, a shared field of view is constructed between the UAV, satellite, and radiation source. Based on the arrival time delay and angle information of the target radiation source observed by the two satellites and the UAV, a grid is drawn within the UAV's field of view. The time difference window from the grid points to the two satellites is calculated, and coarse pairing of satellite pulses is performed. Then, a position information field is established. Combining the coarse pairing time difference and the angle observed by the UAV, a step-by-step extraction method is used to determine the number and position information of multiple targets, while simultaneously completing fine pulse pairing. This invention integrates the sorting and position estimation involved in traditional multi-target positioning into a single algorithm through a space-air collaborative reconnaissance and positioning model, combined with a position information field algorithm, and by successively extracting the position information field, thus reducing the system's complexity.

The utility model discloses a multifunctional food slicing and shredding all-in-one machine which comprises a supporting table, and a connecting groove is formed in the surface of the top of the supporting table. According to the food processing device, food to be processed is placed in the placing cylinder, the motor on the side face of the supporting plate is started to drive the screw rod to rotate, and the moving block is limited and guided through the connecting rod, so that the moving block moves in the axial direction of the screw rod; the moving block synchronously drives the connecting block to slide along the connecting groove in the top of the supporting table, so that accurate displacement of the containing barrel is achieved, when food in the containing barrel moves to the position below the cutter, the reciprocating air cylinder is started to drive the cutter to do vertical reciprocating motion, and slicing or shredding processing of the food is completed. The food positioning problem is effectively solved through the structural design of the containing barrel, the displacement and deflection phenomena in the cutting process are remarkably restrained through circumferential constraint on food, the stability of the relative position of a cutter and the food is ensured, the slicing and shredding uniformity is improved, and the machining precision and the finished product quality are remarkably improved.

The present application relates to a kind of steep bare rock area water drilling floating self-stabilizing platform and its installation method, drilling floating self-stabilizing platform includes platform structure, anchoring structure and positioning structure, the platform structure is used for the load bearing of drilling equipment, the anchoring structure is used for the plane positioning and movement of platform structure, the positioning structure is used for the fixed connection of platform structure and rock bank slope, the platform structure includes hull and drilling platform cornice, the drilling platform cornice is fixedly arranged in the side of hull, the anchoring structure includes outer eight character anchor and inner eight character anchor, the outer eight character anchor is arranged in the side of hull away from rock bank, the present application can guarantee that hull is located in a stable plane position, hull is under the constraint of slide groove, can be moved up and down along the slide on positioning pile, effectively adapt to the fluctuation of water level.

This invention provides a method and apparatus for tracing the source of propagated messages. The method includes: constructing a first social network based on test samples; deploying several observation points on the first social network to obtain a second social network; acquiring a network snapshot in the activated state of the propagation source locator program, as the first network snapshot, and supplementing it with edges to obtain a second network snapshot; acquiring first information received by the observation point that first receives the message on the second network snapshot; acquiring second information received by the observation point that first receives the message during the simulated propagation process of the second network snapshot; and determining the propagation source of the test sample based on the first information and the corresponding second information. The method provided by this invention, by considering the actual propagation process of the message during the observation point deployment stage and using quality-assured Monte Carlo simulation of propagation, achieves maximum coverage of observation points and solves the problem of low efficiency in information collection by observation points.

The utility model discloses laser transfer printing equipment. The laser transfer printing equipment comprises a battery piece conveying module, a laser processing module, a carrier plate loading module and a slurry filling module, the battery piece conveying module is used for feeding and discharging before and after transfer printing of battery pieces. The carrier plate loading module is arranged above a battery piece transmission path and comprises a substrate with a hollow middle part and a carrier plate fixing module on the substrate, the substrate is used for carrying a carrier plate with a downward bottom surface, the bottom surface of the carrier plate is provided with a groove, and the groove is located at the hollow part of the substrate; the slurry filling module is arranged below the carrier plate loading module and comprises a slurry filling head and a movement mechanism, and the movement mechanism drives the slurry filling head to move back and forth in the length direction of the carrier plate so as to fill the groove with slurry; the laser processing module is arranged above the carrier plate loading module and used for laser transfer printing. The support plate is fixedly arranged, so that the positioning problem caused by overturning of the support plate is avoided, the slurry filling module can reciprocate along the support plate, the next slurry filling transfer printing is directly performed after the transfer printing is finished once, and the support plate is prevented from being replaced.

The invention discloses an automatic rubber core feeding device. The automatic rubber core feeding device comprises a rack, a rubber core feeding mechanism, a rubber core transferring mechanism, a pushing mechanism and an ejector pin mechanism, the rubber core transferring mechanism comprises a first driver and a transferring disc assembly. The pushing mechanism comprises a second driver and a cam mechanism. The ejector pin mechanism comprises a linear sliding rail, a supporting frame and an ejector pin. According to the automatic rubber core feeding device, a core driving structure of a groove type disc cam and a direct-acting roller push rod is adopted, rapid advancing and retreating of an ejector pin are achieved through the special contour section of the cam, the action cycle of inserting and resetting can be completed within extremely short time (smaller than or equal to 0.5 s), and the speed limitation of a traditional air cylinder and a traditional motor is broken through; frequent start and stop are replaced by continuous rotation of the cam, so that the problems of overheating of a motor winding, loss of a pneumatic sealing element and the like are avoided, the maintenance cost is reduced, and the durability of equipment is improved.

The invention relates to the technical field of track traffic positioning and navigation, in particular to a railway vehicle accurate positioning system based on track board electronic tags and satellite positioning. The system comprises a data acquisition module used for continuously receiving and evaluating the precision of satellite positioning data; the positioning module is used for selecting a satellite positioning result as a credible reference or switching to inertial navigation positioning according to precision judgment; the tag coordinate acquisition module is used for reading the electronic tag of the track plate and acquiring the corresponding accurate geographic coordinate and moment; and the track tracing correction module is used for tracing to the last credible positioning moment when the electronic tag is read, and performing smooth correction and reconstruction on the middle track by taking the accurate displacement between the two points as a reference and combining inertial navigation data. Accumulated errors generated by inertial navigation during the period of poor satellite signals are intelligently traced and corrected, and high-precision positioning of railway vehicles is achieved.

The invention relates to a high-temperature neutron irradiation device, and belongs to the technical field of irradiation. The high-temperature neutron irradiation device comprises a plurality of irradiation containers, two heat insulation pieces and a shell. A cavity for accommodating an irradiation sample is formed in the irradiation container, and protruding pieces are arranged at the two ends of the irradiation container in the preset direction; the irradiation container is made of zirconium; the two heat insulation pieces are arranged at the two ends of the multiple irradiation containers in the preset direction respectively, and the heat insulation pieces are used for being arranged outside the protruding pieces of the multiple irradiation containers in a sleeving mode at the same time, so that the multiple irradiation containers are arranged in the circumferential direction in the preset direction, and the adjacent irradiation containers abut against each other; the two ends, in the preset direction, of the shell are detachably connected with end covers. The irradiation container and the heat insulation piece are both contained in the shell, and the end, away from the irradiation container, of the heat insulation piece is detachably connected with the corresponding end cover. The device can realize high-temperature irradiation and irradiation environments with high temperature in the shell and normal temperature outside the shell, samples placed in each irradiation container can be flexibly selected according to experimental requirements, and the applicability is high; the assembly is convenient and the structure is stable.

This utility model discloses a billet tube aluminum shavings collection device, including a bottom frame set on the ground. A front frame with a central opening is vertically arranged at the front end of the bottom frame. A positioning baffle is set at the front end of the opening in the front frame, and a hole corresponding to the hole in the front frame is opened in the center of the positioning baffle. A wire mesh is installed in the hole. A dust collection bag with its opening facing the positioning baffle is installed on the back of the front frame for collecting aluminum shavings. Two columns are vertically arranged at the rear end of the bottom frame. Hooks for positioning the dust collection bag are respectively installed on both sides above the opening in the front frame and on the inner side of the columns. A caster wheel for easy movement of the collection device is provided at the bottom end of the bottom frame, and a locking plate is provided on the caster wheel for locking it in place. This utility model can effectively collect aluminum shavings during high-pressure air blowing, preventing aluminum shavings from splashing and improving the on-site environment. Furthermore, the dust collection bag is easy to disassemble and handle, improving the efficiency of aluminum billet tube cleaning and the level of on-site management.

The invention belongs to the technical field of water tanks, and particularly relates to an anchoring method and system for a large-scale mariculture platform, and the method comprises the steps: towing the culture platform to a designated position based on a tug and a first satellite positioning device; an anchoring equipment assembly is arranged on a deck of the barge; wherein the anchoring equipment assembly comprises an anchor chain, an anchor body and at least two mooring winches; dragging the anchor chain to be connected with the breeding platform based on the mooring winch; the anchor chain is laid in the preset anchor chain laying direction based on an alternate traction mode of the double mooring winches; the anchor chain is pulled to be connected with the anchor body on the basis of a double-mooring-winch posture correction mode, and the anchor body is precisely put through a second satellite positioning device; and laying the remaining anchor chains and putting the remaining anchor bodies in sequence based on a four-corner symmetric operation mode. By means of the method, the problems that anchoring operation is complex in procedure and long in period can be solved.

The invention discloses a visual code scanning intelligent system for irradiation processing, relates to the technical field of irradiation processing automatic control, and solves the problems of high manual intervention degree, low detection precision, poor flow linkage and the like in the existing irradiation processing. The system comprises a hardware execution module, a control module and an information display module, the hardware execution module comprises a multi-station code reader, an area-array camera assembly, a laser code carving machine and the like, and information collection and execution control are achieved. The control module carries a visual industrial personal computer and an algorithm platform to complete data processing, process matching and exception handling; and the information display module realizes production state visualization and manual interaction. A multi-station visual code scanning and area-array camera detection combined structure is adopted, manual operation is replaced, and the detection precision is improved; through linkage of a linear speed encoder and a control module, the problem of material positioning in an irradiation area is solved. Various exception handling mechanisms are integrated, and production stability is guaranteed; the modular design adapts to multiple scenes, and can be widely applied to irradiation processing of food and medical equipment.

The invention belongs to the technical field of blood sodium in-vivo detection, and particularly relates to a non-invasive in-vivo blood sodium concentration detection system and a non-invasive in-vivo blood sodium concentration detection method which are combined with a terahertz spectrum technology and photoacoustic microscopic imaging. According to the invention, through short-wave photoacoustic microscopic imaging, high-spatial-resolution positioning of subcutaneous microvessels is realized, and accurate coordinates are provided for targeted detection; meanwhile, through a double-pulse differential photoacoustic detection technology, terahertz photoacoustic response from blood sodium ions is specifically extracted from complex tissue signals, and the strong water background is effectively inhibited; by introducing the terahertz local field enhancement module, the energy loss is compensated while the hyperspectral specificity is ensured by adopting narrow-band filtering, and the detection sensitivity is remarkably improved.