13 results about "Code navigation" patented technology

The invention provides an unmanned aerial vehicle-intelligent window Internet of Things cooperation system. The system comprises an intelligent business order generation module, a dynamic order sending engine, a two-dimensional code navigation system and a biological characteristic closed-loop authorization mechanism. And the merchant side prints an encrypted two-dimensional code quotient list containing the three-dimensional coordinates of the intelligent window, the unmanned aerial vehicle automatically plans a path after scanning the quotient list, and automatically applies for biological feature authorization to trigger opening and closing of the intelligent window when approaching the target for more than or equal to 200 meters. The innovation points are as follows: 1, a business order-window coordinate dynamic binding technology (encrypted two-dimensional codes); 2, a dispatching-charging collaborative algorithm (a benefit model based on electric quantity / distance); 3, an acousto-optic wake-up system (multi-mode activation); 4, an intelligent window complete ID physical fusing and multi-terminal binding mechanism; the central gateway only receives the verification result (yes / no) and does not store any biological characteristic data; the whole-process unmanned distribution is realized, and the safety is improved through risk adaptive multiple verification.

The application discloses a kind of based on hybrid navigation's AGV high-position stacking operation device and control method, including AGV car body, PLC controller and visual perception system, PLC controller is respectively connected with laser navigation device and two-dimensional code reader;AGV car body includes fork, movable sliding block device is arranged in the fork root position of fork, sliding block device is used to realize the angle deviation adjustment of stacked goods.This application realizes laser / two-dimensional code hybrid navigation switching, laser navigation realizes the automatic handling operation outside warehouse, two-dimensional code navigation realizes accurate navigation positioning under the scene change of storage environment, material intensive shielding;Visual perception system identifies the relative pose of goods when stacking operation, by the forward movement, lateral movement function of fork and sliding block device, the front, left and right and angle deviation error of goods on fork are flexibly adjusted, realize high-precision high-position stacking operation under the complex environment of dense storage.

The application discloses a kind of medium wave communication navigation integrated signal design method, comprising: generating frame synchronization code and navigation text;The binary code of navigation text is segmented according to fixed bit length, and segmented binary code is obtained;According to order, segmented binary code is two two as a group, and each group of segmented binary code is first converted into series / parallel, then BHC error correction coding is carried out respectively;For each group of BCH code, parallel / series conversion is carried out according to each bit order to output interleaved code, so as to complete the interleaving coding of navigation text;Interleaved coded navigation text and frame synchronization code are modulated using full hopping MPPSK modulation, framing is carried out, multiple frame signals are formed, the multiple frame signals are used to replace the sine carrier in broadcast signal, and composite modulation signal is generated by composite modulation with analog audio signal and transmitted through broadcast station.The application can realize the dual functions of broadcast and navigation without affecting the normal use of users.

The invention discloses a full-automatic material carrying system for a square freeze dryer. The system comprises the square freeze dryer, a material transfer trolley, an automatic guide transport vehicle, a butt joint auxiliary device, a vehicle-mounted locking mechanism and a fleet management system. The automatic guided vehicle is a low-temperature-resistant condensation-preventing AGV, a hybrid navigation mode with two-dimensional code navigation as a main part and laser radar as an auxiliary part is adopted, the working part of the automatic guided vehicle is provided with an active temperature control cabin, self-adaptive switching between a low-temperature mode and a normal-temperature mode can be achieved according to the environment temperature, and the problem that the automatic guided vehicle carries out transportation across an ultra-low-temperature area is solved. Seamless butt joint between the butt joint auxiliary device and a guide rail arranged in the drying box is achieved. And the AGV is changed from carrying to pushing in front of the drying box, so that the interference of narrow gaps between the heating plates in the freeze-drying box on the movement and unloading of the AGV is well solved. Through cooperative control of the motorcade management system, the whole-process unmanned carrying of the material transfer trolley in the loading area, the pre-freezing warehouse, the drying box and the packaging area is achieved.

The invention discloses a luggage basket online tracking system and method based on a two-dimensional code positioning technology. The system comprises a basket taking module, a luggage placing module, a security inspection machine, a luggage taking module, an unpacking table, a conveying line, a face snapshot camera, a two-dimensional code recognition camera, an indicator light belt, a basket returning device and a luggage basket. Wherein the luggage conveying direction serves as the system connecting direction, and the basket taking module is located on the upstream of the luggage placing module; the luggage placing module is arranged at the upstream of the security inspection machine; the security inspection machine is arranged at the upstream of the luggage taking module; the luggage taking module is arranged on the upstream of the unpacking table; the conveying line is used for connecting the basket taking module, the luggage placing module, the security inspection machine, the luggage taking module and the unpacking table. A traditional RFID scheme is replaced with the two-dimensional code positioning technology, the two-dimensional code navigation bars with unique codes are arranged on the side faces and the bottom of the luggage basket, real-time continuous tracking of any position of the luggage basket is achieved in combination with the two-dimensional code recognition cameras arranged in the whole process, and the positioning precision and the anti-interference capacity are remarkably improved.

The invention provides a fusion map generation method and an intelligent car control method. The fused map generation method comprises the following steps: mapping original map data of a plurality of navigation modes into a plurality of logic sub-layers of a fused map, and generating standard map data in different logic sub-layers; when the navigation mode is the laser radar navigation mode, generating standard map data in the background sub-layer; and when the navigation mode is the linear navigation mode or the matrix two-dimensional code navigation mode, generating standard map data in the path sub-layer. Original map data from different sources are fused into unified standard map data in a plurality of logic sub-layers of a fused map through a mapping relation, isomerism is digested through the fused map, and the problem of complexity of an original system is solved. According to the method, the existing facts are respected, the data consistency and uniformity are realized, the universality and usability of the fused map are enhanced, and the adaptability of the fused map is improved.

The invention provides a code navigation method, device and equipment, a medium and a program product, can be applied to the field of artificial intelligence, and particularly relates to application of a large model in code navigation. The method comprises the steps that in response to a target query statement input by a user, the target query statement is analyzed based on a large model, and navigation element information is generated; wherein the target query statement comprises a target item; based on the target project, performing multi-dimensional code association analysis on the navigation element information to generate an association file and a dynamic call chain; performing visual drawing on the associated file and the dynamic call chain to generate an interaction diagram, and outputting the interaction diagram; and responding to the graphic node of the interaction graph clicked by the user, and positioning to a source code position corresponding to the graphic node based on the graphic node.

The application discloses a kind of two-dimensional code navigation-oriented mobile robot path planning method, system, storage medium and terminal, comprising: defining initial node n s And target node n d And code list list, open list list, close list;According to the information defined, find target node n d And target node n d Join open list list, move to starting point along parent node, form path.The reward function mentioned in the node search of the application is based on the two-dimensional code coordinates in the map, and due to the existence of the reward function, the evaluation function will give priority to the coordinate points containing the two-dimensional code position during path planning, so that a part of the two-dimensional code coordinates is included in the overall path, enabling the mobile robot to collect two-dimensional code data, calibrate dead reckoning and further reduce errors, thereby providing a guarantee for the mobile robot to complete the task more efficiently and safely.

The invention discloses a GLONASS citizen code navigation signal generation type deception jamming method. The method comprises the following steps: acquiring a real signal ephemeris, acquiring a deception transmitting point position, and setting a deception target position and deception jamming signal parameters; generating a visible satellite navigation signal of a deception target position, and filling a spread spectrum signal consistent with a real signal in a corresponding frequency position of an invisible satellite or a civilian code navigation FDMA signal of which an ephemeris is not obtained; setting the power of the frequency point for generating the deception jamming signal to be a first preset threshold value greater than the power of the real satellite navigation signal, and setting the signal power of the filling frequency point to be a second preset threshold value greater than the power of the real signal; the generated deception jamming signal is transmitted at a set power, the target is set to deviate from the real position of the target to a preset position at a preset acceleration, and the generated deception jamming on the target is realized; the method has the characteristics of low efficiency power and high efficiency probability, and can improve the effectiveness of the generative deception jamming.

The application relates to the technical field of navigation, and discloses a navigation switching method and device, a navigation vehicle and a medium, the method comprising the following steps: collecting environment information of a target navigation vehicle; judging whether the target navigation vehicle is in a high dynamic environment based on the environment information; identifying a preset reference object when the target navigation vehicle is in the high dynamic environment, and determining a preset two-dimensional code area based on the preset reference object, wherein the preset two-dimensional code area is built-in at least one two-dimensional code; controlling the target navigation vehicle to navigate to the preset two-dimensional code area, identifying the preset two-dimensional code area, and switching the target navigation vehicle to a two-dimensional code navigation mode when any two-dimensional code is identified. When the navigation vehicle is switched to the two-dimensional code navigation mode, the navigation vehicle can be accurately positioned in the identification area of the two-dimensional code, the accurate switching of the navigation mode can be realized, the switching time and precision of the navigation mode can be ensured, and the efficient operation requirement of the navigation vehicle is met.

This invention proposes an automatic navigation method, system, electronic device, and storage medium. The automatic navigation method includes: acquiring a navigation map, wherein the navigation map includes a QR code navigation area and a laser navigation area; determining the current position of a vehicle; determining the target area where the vehicle is located in the navigation map based on the current position; navigating the vehicle using the QR code navigation method when the target area is located in the QR code navigation area; and navigating the vehicle using the laser navigation method when the target area is located in the laser navigation area. This invention integrates the advantages of both laser navigation and QR code navigation methods, thereby improving both flexibility and work efficiency.

The present invention provides a local docking method based on QR code navigation, which controls the logistics robot to enter the scanning area at the starting point of a preset path along the direction from the starting QR code to the end QR code to scan the code and read the QR code information, then establishes a coordinate system with the center point of the QR code as the coordinate origin, judges the deviation between the actual position of the logistics robot and the coordinate of the origin, and then calculates the deviation, the angle corresponding to the corrected deviation, and the distance from the actual deviation position to the preset path, so that the logistics robot returns to the preset path after adjusting the angle, and continues to drive along the preset path to the end point scanning area to scan the code again, and reads the QR code information at the same time, and then stops driving with the information read by the end point scanning as a reference standard, and finally judges whether the logistics robot is within the docking error range and completes the docking.