463results about "Memory record carrier reading problems" patented technology

The invention discloses a product traceability direction management and control system based on full-process monitoring, and relates to the technical field of product traceability management. The full-process management and control platform is in communication connection with a product data acquisition module, a product identification analysis module, a product data management module, a data traceability analysis module, a product abnormity management module, a process optimization module and an interaction management module. According to the product traceability direction management and control system based on full-process monitoring, through comprehensive monitoring and recording of raw material sources, production dates, processing details and quality inspection results, it is ensured that products meet preset quality standards in each production link, once any deviation is found, the system can immediately give out early warning, and the product traceability direction management and control system is convenient to use. In addition, a large amount of data is analyzed through a machine learning algorithm, key factors influencing the product quality can be recognized, and therefore a scientific basis is provided for quality improvement.

The invention discloses an intelligent file cabinet management method based on the RFID technology, and relates to the technical field of intelligent file management. According to the method, intelligent retrieval is adopted, file positioning is fast and accurate through double indexing of content attributes and RFID tags, and a user only needs to input conditions such as keywords, themes or dates, so that the file can be rapidly and accurately positioned; according to the method, relevant archives can be screened out through similarity matching, the actual storage positions of the archives can be positioned, the retrieval efficiency is remarkably improved, meanwhile, a virtual digital library is established to conduct digital mapping on the archives, and dependence on actual storage space is reduced; under the condition of dense storage, the position information of the archives is recorded through the RFID tags, so that the archives can be flexibly put on a shelf or readjusted in position without influencing the management and positioning of the archives, meanwhile, the archives are digitized when being put in storage, and all content attributes, classification tags and position information are synchronously stored in a virtual digital library; even if the paper archives are actually damaged or lost, the digital information of the paper archives is still completely stored in the digital library.

The invention discloses a storage digital twinning system integrated with a UWB-RFID technology. The storage digital twinning system comprises an entity storage, an edge server and a storage digital twinning system. The entity storage comprises a fixed UWB base station, a UWB tag, a fixed RFID base station, a passive tag and a movable RFID base station. And the edge server collects all base station equipment data of the entity warehouse, processes and calculates cargo information according to a built-in algorithm, and performs data interaction with an upper-layer warehouse digital twin system at the same time, so that the operation condition of the entity warehouse is remotely monitored. According to the system, through the ultra-wideband technology, the radio frequency identification technology and the digital twinning technology, the storage position of stored goods can be determined, entity storage data can be visualized, and the problems of low positioning precision and low informatization degree in the existing storage management technology are solved.

The invention discloses an RFID electronic tag anti-collision processing system, which relates to the technical field of radio frequency identification and comprises an encryption module, a signal processing module and a real-time processing module. The encryption module is used for realizing label identity verification based on a hash function; the signal processing module adopts a mixed anti-collision mechanism combining a time slot ALOHA protocol and a binary tree search algorithm; the real-time processing module comprises a multi-channel parallel processing unit, and each channel is configured with an independent local frequency. According to the RFID electronic tag anti-collision system, the encryption module, the signal processing module and the real-time processing module are combined, the problem of multi-tag collision of the RFID technology in a high-density and dynamic application scene is effectively solved, the encryption module adopts a hash function and an elliptic curve encryption algorithm, safe and efficient verification of tag identities is achieved, and the security and reliability of the RFID electronic tag are improved. The innovative hybrid anti-collision mechanism of the signal processing module is the combination of a slot ALOHA protocol and a binary tree search algorithm.

The invention relates to the technical field of logistics, and particularly discloses an automatic sorting goods shelf and a sorting system thereof.The automatic sorting goods shelf comprises a base, two goods shelf bodies are installed in the middle of the top end of the base, and a plurality of lifting mechanisms are installed on the two goods shelf bodies; the lifting mechanism comprises a storage box, a through opening, a fixing frame, a positioning mechanism, a double-head motor, a driving shaft and a lifting gear. After a double-head motor is started, a lifting gear is precisely meshed with a tooth groove to drive a storage box and a placing goods shelf to move up and down, then a first driver is started, and a double-head screw is driven to rotate through tight meshing transmission of two bevel gears to enable two positioning blocks to be accurately inserted into corresponding positioning grooves, so that the storage box is firmly and stably fixed; by means of the design, the height of each layer of the goods shelf can be flexibly adjusted so as to adapt to goods of different sizes, the space utilization rate of the goods shelf is greatly improved, and the sorting difficulty and time cost are effectively reduced.

The invention relates to an intelligent archival repository RFID archive processing system, and relates to the technical field of archive data processing, and the system comprises a state generation module, a semantic clustering module, a personnel label clustering module, a frequency statistics module and an archiving configuration module. Wherein the state generation module is used for acquiring RFID tag position information and generating a file taking state; the semantic clustering module 12 is used for performing semantic clustering based on the archive content identification to form first-level classification; the personnel label clustering module 13 is used for re-clustering the primary classification result according to the archive personnel identifier to form secondary classification; the frequency statistics module 14 is used for counting the taking frequency of each file in the secondary classification result; and the archiving configuration module 15 is used for determining an optimal archiving position according to the characteristics and the access frequency of the archives to be stored. The archives are archived according to the multi-dimensional analysis of the archive content, the archive personnel and the archive taking frequency, the archive archiving reasonability is improved, and then the archive retrieval and management efficiency is improved.

The invention relates to the field of intelligent breeding, aims to solve the problems that traditional cattle breeding is inaccurate in monitoring and early warning, extensive in feeding control and insufficient in environment control linkage, and provides a fine management method and system. The method comprises the steps of system initialization and individual binding, multi-dimensional data acquisition, physiological state accurate early warning, dynamic adaptive feeding, environment linkage regulation and control and data statistics optimization. The system correspondingly comprises an individual identification and data acquisition module, an improved physiological state monitoring and early warning module, a dynamic adaptive feeding control module, an environment regulation and control module, a data storage and analysis module and a system operation and maintenance module. Multi-dimensional data are collected through the intelligent neck ring, an individual adaptation algorithm is adopted for early warning of the health state, an exclusive feeding scheme is generated, and the breeding environment is regulated and controlled in a linkage mode. The method and the system improve the health rate and the breeding efficiency of cattle herds, reduce feed waste, and are suitable for large-scale cattle breeding fine management scenes.

In general, various embodiments of the present disclosure provide methods, systems, computer-readable media, and / or the like for providing improved evaluation of read data collected from radio frequency identification (“RFID”) tags. In various embodiments, a method is provided that comprises: receiving a data frame that comprises read data collected from an RFID tag over an interval of time, the RFID tag responding to receiving a RF signal sent from an antenna in communication with a reader, and the read data comprising RSSI values; generating a linearized power value for each RSSI value to form a set of linearized power values; summating the set of linearized power values to generate a summated power value for the data frame; evaluating the summated power value to determine that the summated power value meets a target predicate; and in response, causing an action to be performed with respect to the RFID tag.

The invention relates to the technical field of intelligent manufacturing, in particular to an extrusion processing workshop intelligent operation and maintenance method and system based on digital twinning, and the method comprises the following steps: importing a production plan through a digital twinning system, generating a processing task list, and synchronizing a virtual model; the specification of the billet is obtained by using RFID, and a tracking code is generated and a task is bound. And matching process parameters, regulating and controlling the temperature of the heating machine, collecting temperature data and generating a compensation instruction. Based on the compensation instruction, planning a manipulator path, monitoring a pose correction deviation, and feeding the billet into an extruder; calling a pressure curve, collecting a pressure value, and generating an adjusting instruction by combining material simulation to realize constant strain rate extrusion; according to the pressure feedback, the wire collecting tension is adjusted, the wire diameter fluctuation is monitored, and a speed compensation instruction is generated; generating a wire unloading path according to the specification of the wire coil, and controlling the robot to place the wire coil and update a task state; according to the invention, efficient, accurate and intelligent extrusion processing operation and maintenance are realized.

Techniques for echo cancellation in an RFID reader include incorporating an auxiliary error power amplifier (auxiliary PA) into the RFID reader, and dynamically adjusting a bias setting of the auxiliary PA based on a power level of a reflection of a signal transmitted by the RFID reader (“echo signal”) as measured at the RFID reader. When the measured echo signal power level is high, techniques herein set the auxiliary PA bias setting to a higher level to allow the auxiliary PA to account for the stronger echo signal. Inversely, when the measured echo signal power is low, techniques herein set the auxiliary PA bias setting to a lower level to reduce power consumption while the enabling the RFID reader to cancel echo phenomena and reliably detect signal responses from RFID tags in an environment.

The invention provides a distributed production area material management method and system based on radio frequency identification, and relates to the technical field of material management, and the method comprises the steps: determining a plurality of material types according to a material management demand; performing frequency spectrum scanning and signal interference analysis on the target area; introducing a predetermined distribution analysis strategy to carry out frequency band distribution; based on the M working frequency bands, deploying M RFID reader-writers; according to the material distribution sequence, in combination with a label distribution layering mechanism, performing label distribution on the sub-regions; and establishing a target material management scheme based on the first material management scheme. According to the invention, the technical problem that the accuracy of radio frequency identification is reduced and the material management efficiency is further influenced due to interference among devices in a distributed production area in the prior art can be solved, signal interference is avoided through frequency spectrum scanning and dynamic frequency band distribution, the material is subjected to label distribution, and the material management efficiency is improved. And the material management efficiency is improved.

Approaches for determining a location of an animal based on RSSI. An embodiment includes a method, comprising: receiving a first reading of an electronic animal identification tag attached to an animal from a first electronic tag reader; calculating a received signal strength indicator (RSSI) for the first reading; and determining a location of the animal based on the RSSI. Another embodiment includes a method, comprising: receiving a first reading of a first electronic animal identification tag attached to a first animal; calculating a received signal strength indicator (RSSI) for the first reading; receiving a second reading of a second 10 electronic animal identification tag attached to a second animal; calculating an RSSI for the second reading; and determining the location of the first animal based on the RSSI of the first reading and the RSSI of the second reading.

The invention discloses a synchronous demodulation method for a passive RFID tag, and the method comprises the following steps: carrying out the DC removal and smooth filtering operation of an input signal, and outputting a preprocessing signal; according to the signal peak value distribution, roughly estimating a backscattering link frequency deviation condition of a label signal in the preprocessed signal, and calculating and outputting a roughly estimated oversampling rate; calculating a correlation coefficient between the preprocessed signal and a standard lead code under different oversampling rates, and preliminarily judging a possible position of the lead code in the tag signal; and comparing calculation results of the correlation coefficients under different oversampling rates, judging and outputting an oversampling rate precise estimation value, and completing synchronous detection of the lead code. According to the fine estimation value of the oversampling rate, a corresponding local 0 / 1 bit sequence is used, the preprocessed signal is judged to be 0 / 1 bit output through correlation operation, and demodulation of the input signal is completed. According to the invention, through a mode of first rough estimation and then fine estimation, consumption of hardware computing resources is reduced, and reduction of communication performance is avoided.

The invention discloses secret-related carrier safety management equipment, and the equipment comprises an intelligent carrier management subsystem which carries out the unique identification of a secret-related carrier through the RFID technology, places the secret-related carrier in an intelligent control cabinet, locates the positions of each piece of equipment and each secret-related RFID tag, and achieves the full-process automatic management of the input and output of the secret-related carrier; the intelligent management and control cabinet is provided with an RFID channel door and supports identity verification through biological identification ID, and access operation is carried out after verification is passed; a background management subsystem; an RFID access door; the PDA is held by a hand; the invention relates to a desktop type RFID card issuing device. The secret-related carriers are uniquely identified through the RFID technology and placed in the intelligent management and control cabinet, the system can automatically identify and position the position of each secret-related carrier, and quick and accurate searching, storing and taking operation is achieved. Meanwhile, the system supports a self-service borrowing and returning function, the user can complete the borrowing and returning process of the secret-related carrier only through simple operation, and the management efficiency is greatly improved.

The invention discloses a logistics supply chain dynamic management method based on the Internet of Things, and relates to the technical field of logistics management, and the method comprises the following steps: constructing a radio frequency interference space fingerprint database, and recognizing an interference region and generating a radio frequency interference distribution map through collecting the emission frequencies, signal intensities and spatial distributions of a plurality of radio frequency identification read-write devices. According to the method, interference hotspots are accurately identified by constructing a radio frequency interference space fingerprint database and a distribution map, and signal conflicts and response failures are avoided in combination with dynamic tag gain and time sequence management. And the communication stability is monitored in real time, local adjustment and self-checking are implemented, and rapid abnormal response and self-repair are realized. Equipment deployment and transmitting power are optimized, interference blind areas are dynamically eliminated, identification stability and data accuracy are improved, logistics errors and risks are reduced, transparency and response capability of a supply chain are enhanced, intelligent and reliable logistics management is promoted, and anti-interference capability and overall operation efficiency of the system are improved.

This application discloses a method and apparatus for backscatter signal transmission, a communication device, and a readable storage medium. The method includes: determining, by a tag based on first information, a parameter related to transmission of a backscatter signal; where the first information includes at least one of the following: a first identifier, where the first identifier includes an identifier of the tag or a temporary identifier of the tag; a first value, where the first value is used to indicate a random number generated by the tag; a second value, where the second value is used to indicate a counter value of the tag; a third value, where the third value is used to indicate a counter step of the tag; a group identifier or intra-group identifier of the tag; a session number or a process number; or information received from a reader / writer.

The invention discloses a medical drug intelligent monitoring and management method based on an HIS system, and relates to the technical field of drug management, and the method comprises the steps: carrying out the fluctuation analysis of a storage environment of drugs, marking all drugs with the storage time exceeding a time threshold value in K sub-generation sets as affected drugs, outputting management emergency indexes for all affected drugs, and carrying out the management of the affected drugs. And after the emergency threshold value influencing the medicine is adjusted in combination with the position information, the medicine is distributed to the K sub-generation sets again based on the comparison result of the management emergency index and the emergency threshold value and the position information influencing the medicine, and the management priority of the K sub-generation sets is generated. According to the method, after the drug storage environment is subjected to volatility analysis, the drugs are clustered for multiple times, the drugs are divided into a plurality of sets according to the clustering result, and the supervision strength of the drugs in each set is dynamically adjusted, so that the effectiveness of the drugs is guaranteed, and drug resource waste is avoided.

The invention relates to the technical field of logistics information management, and particularly discloses a corrugated board logistics information tracking method and system based on RFID, logistics state data of corrugated boards are obtained through RFID and preprocessed, a knowledge graph including entities such as corrugated cartons, storage nodes and transportation tools and association relationships is constructed, the nodes are converted into low-dimensional vectors, and the low-dimensional vectors are stored in a database; key factors and causal effect values which cause anomalies in entity association are mined by utilizing a causal forest algorithm, an abnormal propagation path is reasoned through a graph neural network, a root cause report is generated, targeted decisions such as sorting adjustment, equipment maintenance and path re-planning are generated accordingly, and a graph and a model are updated in real time to adapt to dynamic changes. According to the method, multi-dimensional data, entity relation modeling, causal effect analysis, propagation path reasoning and dynamic optimization design are integrated, the problems of unclear explanation of abnormal root causes and lack of pertinence in decision making in traditional corrugated board logistics tracking are effectively solved, and the accuracy of logistics information tracking and decision making effectiveness are improved.

The invention relates to an electric pole chuck detection technology based on a passive low-frequency RFID and an RLS adaptive antenna array. The method comprises the following steps: firstly, activating an RFID tag through an RFID reader, and sending a response by the tag after activation; then, adaptive antenna array design and signal processing based on RLS are carried out on a radio frequency channel formed by a passive antenna array, and the main steps are as follows: initialization is carried out, and an initial weight vector and an error covariance matrix are given; calculating an output signal using the current weight vector; calculating an error signal according to the difference between the output signal and the expected signal; updating the weight vector by using an RLS algorithm; calculating an array factor; and repeating the steps until a preset number of iterations is reached or a certain stop condition is met. And finally, the receiver decodes the signal to obtain the data, and then analyzes and displays the data. The weight of the antenna array is optimized and adjusted, and the precision of the passive low-frequency RFID in pole chuck detection is improved.

The invention discloses an RFID tag pairing method and device and an application method, and relates to the technical field of RFID tag communication, and the RFID tag pairing method comprises the steps: transmitting a pairing signal to a corresponding slave tag through each master tag; the slave tag is a tag physically connected with the master tag; each master tag is physically connected with one slave tag; traversing to obtain master label information and slave label information, and pairing the master label and the slave label which return the label information in the same time slice; and the master tag and the corresponding slave tag realize communication in the same communication time slice in a time sequence collaboration mode. According to the invention, the reader-writer communicates with the master tag and the slave tag in one communication time slice, so that the communication efficiency is greatly improved, and the time complexity in a tag pairing process is effectively reduced.

A receiver / transmitter device for logistics tracking configured to monitor or detect a shipment unit includes: a cellular transmitter for transmission of wireless signals via a cellular network; an ultra-wide band (UWB) transmitter for transmission of radio signals over a short-range network; a radio frequency identification (RFID) reader configured to detect a passive RFID tag associated with the shipment unit; and a processor in communication with the cellular transmitter, UWB transmitter, and RFID reader. The processor is configured to selectively cause the cellular transmitter or the UWB transmitter to wirelessly transmit information detected by the RFID reader to a remote computing device or computer server. The device also includes a housing configured to be mounted to a transport platform that encloses the cellular transmitter, UWB transmitter, RFID reader, and processor.

The present invention relates to an intelligent storage method and device based on cloud warehouse. The method: perform all-round scanning and cargo feature recognition on the goods entering the cloud warehouse to obtain cargo feature data; assign and bind RFID tags to each piece of cargo and perform initial positioning to obtain the three-dimensional coordinate value of the cargo; construct a multi-dimensional cargo feature vector and calculate the storage location allocation plan to perform path planning and multi-agent task scheduling on the AGV to obtain the storage task execution instruction of the AGV; obtain the RFID scanning data of the stored goods and the AGV on-board sensor data and perform fusion positioning to obtain the real-time and accurate location and storage status information of the goods; input the real-time and accurate location and storage status information of the goods into the encoder-decoder model to perform AGV path planning and sorting decision calculation to obtain the optimal sorting strategy and AGV motion trajectory. The implementation of the present invention improves the accuracy of AGV path planning and sorting decision of the cloud warehouse.

To provide a table game management system which grasps positions, kinds and the number of gaming-purpose substitute coins for a game placed on a game table respectively on the basis of an image photographed by a camera device and can detect defect or defective chips by using an RFID in a casino or another game facility using gaming-purpose substitute coins.SOLUTION: A table game management system is provided with a function to grasp the kind and the number of gaming-purpose substitute coins that are bet independently in respective bet areas including at least bet area for players and a bet area for a bunker on the basis of a result of an image analysis by an image analysis device and to determine whether or not a total amount or a total number of gaming-purpose substitute coins for each sitting number or reading area based on the result of the image analysis by the image analysis device matches the total amount or the total number of gaming-purpose substitute coins every sitting number or every reading area based on a result of reading of a chip reader.SELECTED DRAWING: Figure 1

Systems apparatuses, methods, and computer program products for activating or deactivating a radio frequency identification (RFID) reader are provided herein. For example, a system provided herein may include a plurality of switches. In some embodiments, each of the plurality of switches comprises an energy harvesting component and a switch controller. In some embodiments, each of the plurality of switches is configured to transmit a signal in response to being triggered. In some embodiments, the system may include a RFID trigger circuitry. In some embodiments, the RFID trigger circuitry is configured to receive one or more signals from one or more of the plurality of switches. In some embodiments, the RFID trigger circuitry is configured to activate or deactivate a RFID reader based at least in part on the one or more signals received from one or more of the plurality of switches.

The invention discloses an RFID aviation luggage bar reading control method and system, and relates to the technical field of luggage bar reading control, after a time slot is randomly selected for transmission on each luggage bar RFID tag, a reader monitors the reading state of each time slot, the number of the time slots is dynamically adjusted according to the reading state of the time slot, and the number of the time slots is adjusted according to the reading state of the time slot; carrying out set division on the RFID tags of the luggage strip according to a reading state, reading a conflict time slot tag set layer by layer by adopting a binary tree splitting algorithm, splitting layer by layer according to binary representation of tag IDs, sending a reading command to obtain a reading result, generating a corresponding reading rule according to the reading result, and repeatedly carrying out reading iteration to obtain a reading result; and outputting a final reading result after a convergence condition is met. The control system dynamically adjusts the number of time slots according to the real-time reading state, optimizes the distribution of the labels, reduces the probability of occurrence of label collision, and performs layer-by-layer split reading on a conflict set, thereby being beneficial to improving the multi-label reading efficiency.

The invention belongs to the field of building prefabricated part management, and provides a building prefabricated part intelligent production management system and method based on the 5G technology, and the system comprises a data collection module which is used for collecting data in the production process and transmitting the data to a data processing module through a high-speed 5G network. The data processing module is used for receiving the original data from the data acquisition module and carrying out storage, standardization processing, clustering analysis and anomaly detection on the original data, and the production scheduling module is used for generating and adjusting a production plan according to the data analyzed by the data processing module and tracking the production schedule; by integrating a plurality of technical modules and utilizing a 5G communication technology, comprehensive intelligent management of building prefabricated part production is realized, and by combining with the data acquisition module, the system can comprehensively acquire key parameters such as temperature, humidity and pressure on a production line in real time.

An autonomous appliance configured to operate in a facility. The autonomous appliance includes a chassis including a motor configured to move the autonomous appliance within the facility and a radio frequency identification (RFID) tag reader configured to communicate with infrastructure RFID tags attached to fixed infrastructure and with product RFID tags attached to product containers. The RFID tag reader emits an RF signal that provides ambient RF power to the infrastructure RFID tags and the product RFID tags. The autonomous appliance includes at least one actuator configured to manipulate the product containers and a controller coupled to the RFID tag reader and configured to read information from the infrastructure RFID tags and the product RFID tags. The controller adapts the behavior of the autonomous appliance relative to a first product container based on the read information.

The invention relates to the technical field of logistics equipment, in particular to a new-generation intelligent inventory checking station inventory checking method based on machine vision, and the method comprises the following steps: carrying out the morphological operation of a first azimuth picture set of each container, inputting the second orientation picture set of each cargo box after the second preprocessing and the morphological operation into a cargo box identification identification model, and calculating the whole stack prediction volume V1 of the cargos at the inventory taking station based on the identified cargo categories, the number of the cargo boxes loaded by the different categories of cargos and the accommodating volumes of the cargo boxes corresponding to the different categories of cargos; whether the whole stack of goods on the tray is in a complete shape or not is judged, and if the whole stack of goods on the tray is in the complete shape, the volume V2 of the whole stack of goods at the inventory taking station is calculated based on the pictures of the whole stack of goods stacked on the tray in different directions and the pixel proportion of the pictures of the whole stack of goods; on the basis of a comparison result between the volume V2 of the whole stack of the goods and the predicted volume V1 of the whole stack of the goods at the inventory taking station, the identified goods categories, the number of the containers loaded with the different categories of the goods and the accommodating volumes of the containers corresponding to the different categories of the goods, the actual categories and the actual number of the goods at the inventory taking station are determined; based on a comparison result of the determined actual category and the actual number of the goods at the inventory taking station and the actual category and the actual number of the goods stacked on the tray obtained after the RFID is read, the actual category and the actual number of the goods at the inventory taking station are rechecked for the first time; therefore, whether the goods stacked on the trays at the inventory taking station are missing or not can be judged.