122results about How to "Broaden application scenarios" patented technology

The invention relates to a dynamic networking method and a communication method based on RS-485. The dynamic networking method comprises the following steps: step S1, sending a query frame to all slave machines through an RS-485 bus at every a heartbeat time interval by a host machine; step S2, sending query response frames to the host machine by all the slave machines on the RS-485 bus after receiving the query frame; step S3, judging whether the slave machines of which the addresses are not within an effective addressing range exit by the host machine, and if the addresses of the slave machines are not within an effective addressing range, identifying the slave machines as to-be-addressed equipment; step S4, broadcasting an addressing frame by the host machine through the RS-485 bus; and step S5, receiving the addressing frame corresponding to an ID of the slave machine by each slave machine and changing the current slave machine address into a new slave machine address. According to the method disclosed by the invention, the host machine is used for periodically querying address information of the slave machines and identifying new equipment in a network by comparing the current address information of the slave machine with the effective addressing range so that each piece of new equipment has an effective address, and thus the problem of inconvenience caused in dynamic addition and deletion of nodes because the R-485 bus adopts a master-slave type communication method is solved.

The invention discloses a bending unit, a flexible display screen and a mobile terminal. The bending unit comprises a voltage controller and at least one bending mechanism. Each bending mechanism comprises an electrode and a cavity, wherein the cavity is filled with liquid metal, a deformable top cover for sealing the liquid metal is arranged on the top of the cavity, the cavity has one extending direction, and the two ends, in the extending direction, of the cavity are fixed. The voltage controller is used for being electrically connected with the electrodes. Voltage is exerted on the liquid metal through the electrodes so that the surface tension can be reduced. The liquid metal is used for expanding outwards when the surface tension is reduced so that the voltage can be exerted on the top cover. The top cover is used for being bent when the voltage is exerted. The novel flexible display screen is manufactured through the liquid metal, the display screen of a mobile phone can be bent, and the pioneering technical contribution is achieved.

The invention discloses a real-time video target tracking method and system. The method comprises that obtained video training set and video test set are processed; a video target tracking network model composed of a twinning convolutional network, a single-layer convolutional network, a bidirectional long / short-time memory network and a full connection layer network is established, a network parameter of the model is initialized, and a loss function of the model is determined; picture pairs in the processed video training set are output to the model successively, and a predicted position coordinate of a video target is determined; a trained network parameter is determined according to the predicted position coordinate, an obtained practical position coordinate of the video target and theloss function; and the video target in the processed video test set is tracked in real time according to the trained network parameter and model. The video target tracking network model is used to track the video target effectively in real time, the video target is tracked in higher precision, and the application range and scene are broadened.

The invention discloses a micromirror-based shared window laser radar system. The system comprises a laser, a single-sided reflector, a micromirror, a converging lens and a light detector; a first through hole is formed in the single-sided reflector; a laser beam generated by the laser is emitted to the micromirror through the first through hole, and thereafter, is emitted to a detection target through the micromirror; an echo light beam reflected from the detection target is reflected to the single-sided reflector by the micromirror and is reflected to the converging lens through the single-sided reflector; and the echo light beam is converged to the light detector through the converging lens. According to the micromirror-based shared window laser radar system of the present invention, the micromirror is adopted to replace a mechanical rotation structure, and therefore, equipment size can be greatly reduced, scanning frequency can be increased, and energy consumption is low.

The invention provides a graphical model full-life-cycle modeling method for federated learning, which comprises the following steps: analyzing a data sample before modeling, and determining a federated learning scheme; drawing up a modeling strategy according to a joint analysis operation result; adopting a dragging mode and using a federation feature engineering means to process the data; in thefederated model training process, after the two parties construct models respectively, exchanging an intermediate state model and a loss function which are obtained through calculation ; predicting and using the federated model; and monitoring the operation process of the federated model to obtain a model monitoring statistical index so as to realize maintenance iteration of the federated model.Personnel in each step of federated learning modeling can participate in optimization points through imaging, the personnel participation optimization difficulty is reduced, a later model applicationmaintenance way is provided, and the application scene and usability of the federated learning technology are improved.

The invention discloses a mobile self-help sales service robot. The robot comprises a base; two driving wheels and two universal wheels are mounted at the bottom of the base; a robot shell is fixedlymounted at the top end of the base; a top cover is fixedly mounted at the top end of the robot shell; a man-machine interaction panel, an inductive switch and a cargo outlet are arranged on the top cover; a laser radar, a binocular camera and an infrared sensor are arranged on the robot shell; the laser radar is used for constructing a map and positioning navigation; the binocular camera is used for acquiring images so as to assist the laser radar to complete the navigation positioning; and the infrared sensor is used for obstacle avoidance and fall prevention of the robot. Through the laser radar and the binocular camera, positioning and navigation of the robot are completed, so that the robot can moves autonomously; and through the man-machine interaction panel and a voice module, man-machine interaction is completed, so that the aim of improving the maneuverability, functionality and man-machine interactivity of the robot and widening the application scene of the robot are achieved.

The invention relates to a gel type ice and snow material with adjustable solidification temperature and transmittance and a preparation method thereof, wherein the preparation method comprises the specific steps: firstly, taking an acrylamide polymerization monomer, a cross-linking agent, an initiator, a catalyst, a solidification temperature and transmittance regulator as raw materials to prepare an acrylamide ice and snow material; secondly, taking sodium alginate, a solubilizer, soluble divalent / trivalent metal ion salt, a crosslinking speed regulator, a plasticizer, a gelatinizing agent,a solidification temperature and a light transmittance regulator as raw materials, and carrying out ionic crosslinking to obtain the sodium alginate gel type ice and snow material. By blending the rawmaterial components, the solidification temperature of the gel type ice and snow material can be regulated and controlled within a wide range, and the synthesized material has the characteristics ofgood formability and easiness in processing.

The invention discloses a system imaging method of a synthetic aperture projection radiation and a synthetic aperture projection radiometer. According to the method, a one-dimensional linear sparse array is used as a detection array of a radiometer and the array is fixed on a circumferential scanning platform to carry out rotation scanning on a target scene according to a fixed stepping angle, thereby realizing rotation detection on a e 1D projection image of a two-dimensional scene; the detected 1D projection image is arranged according to an array detection angle to form an angle-azimuth map; and then on the basis of a cosine matching algorithm, a brightness temperature image of the target scene is extracted from the angle-azimuth map. Besides, the synthetic aperture projection radiometer is used for realizing the method. Therefore, the high-precision two-dimensional synthetic aperture imaging is realized by using a few of antenna array elements, so that the cost and structural complexity of the synthetic aperture radiometer system are reduced and the practical application scene of the synthetic aperture radiometer is extended substantially.

The invention provides a method for autonomous access to a low-orbit broadcast satellite without ephemeris, aiming to solve a problem that a terminal device cannot access to a low-orbit broadcast satellite without ephemeris. The method is as follows: amid no ephemeris or ephemeris failure, the terminal device autonomously accesses to the low-orbit broadcast satellite, wherein autonomous accessingfalls into three stages: target search stage, target precise tracking stage and orbit data receiving stage, in the target search stage, a target is searched in a full-range traversing manner in a search spatial domain, after a satellite signal is found, target precise tracking stage is started, the terminal is guaranteed to receive the satellite signal constantly in a time period through orbit observation and extrapolation methods, after precise tracking for a fixed time, the orbit data receiving stage is started, a terminal receiver solves orbit data delivered by a satellite in a received data frame, and complete update of local ephemeris and access to subsequent circle by using new orbit data.

The invention discloses a method and device for testing an application. The method comprises the steps that a first terminal receives an application scenario selection instruction, wherein the application to be tested is installed in the first terminal; the first terminal determines an application scenario used for testing the application to be tested according to the application scenario selection instruction; the first terminal looks for a sensor parameter corresponding to the determined application scenario from a corresponding relation between preset application scenarios and sensor parameters; the first terminal tests the application to be tested based on the sensor parameter and takes a testing result as a testing result of the application to be tested under a specific application scenario. By the adoption of the method and device, application testing efficiency can be improved.

The invention discloses a broadband frequency hopping clustering multistage self-organizing network waveform design method. Distributed centerless multi-hop frequency hopping synchronization, initialnetwork establishment, dynamic gateway selection, physical layer modulation-demodulation and coding-decoding and adaptive routing selection based on link learning are realized. Multi-hop frequency hopping synchronization does not need to preset a synchronization center node and a special frequency hopping frequency set and pattern; wherein the synchronization time is related to the number of frequency points in the frequency hopping frequency set, the frequency hopping rate, the relay hop count and the like; each node transmits a frequency hopping synchronization frame probabilistically according to a local clock and a preset frequency hopping pattern, the nodes are all in a receiving state in other time, after a frame header is captured, the current frequency is kept to receive complete frame data, TOD information and node number information of the received data are obtained, and then synchronization is completed. Due to node movement or external environment change, a multi-hop end-to-end link exists and the link quality also changes, the performance of each link is comprehensively evaluated through a learning strategy, and finally, adaptive routing selection is realized.

The invention relates to a mechanical device for transporting a silicon wafer, comprising an X-axis drive mechanism, Z-axis drive mechanism, Z-axis rotary drive mechanism, two sets of independent Y-axis drive mechanism, first hand fork, a second hand fork and a correction device, wherein the X-axis driving mechanism is provided with a Z-axis driving mechanism. The Z-axis driving mechanism is provided with a Z-axis rotating driving mechanism, two sets of independent Y-axis driving mechanisms are provided with the Z-axis rotating driving mechanism, two sets of independent Y-axis driving mechanisms are provided with the Z-axis rotating driving mechanism for driving the first hand fork and the second hand fork to perform horizontal telescopic movement, and the correcting device is arranged onthe housing of the Z-axis driving mechanism. The mechanical device of the invention has the advantages of high working efficiency, stable and reliable working process, high degree of freedom, and integrates the picking-up and sending mechanism and the correcting device together, thereby improving the equipment integration level and increasing the output.

The invention is suitable for the technical field of printing, and provides a printing method and printing device for a mobile payment terminal. The printing method comprises the steps of obtaining to-be-printed information through a preset printing application program; transforming the to-be-printed information into a binary picture data; and printing a slip including the to-be-printed information according to the binary picture data. According to the printing method and the printing device, an information printing function is completed through transforming the to-be-printed information into the binary picture data according to the binary picture data. Compared with the prior art, the printing device has the advantages that a specific character-encoded character dot matrix does not need to be obtained from a character library due to the fact that the printing device for the mobile payment terminal can directly identify binary picture data-based machine language information, arrangement of a character library IC can be omitted, and the problem that printing of information which is encoded by a character encoding mode which is not supported by the character library cannot be correctly completed is solved, thereby further expanding the application scene of the mobile payment terminal.

The present invention provides an electrostatic precipitator, comprising an electrically charged unit and an electrostatic dust collection unit, and the electrostatic precipitator is characterized in that: the electrostatic dust collection unit adopts a spacer made from a metal material or an inorganic conductive material to keep a certain distance between dust collection plates and sheets. The air contact surface of the dust collection plates and sheets is made from an insulation material, so that adjacent dust collection plates and sheets may not be conducted. The spacer can be prepared by stamping molding of a metal plate such as an aluminum plate and a copper plate, also can be prepared by die-cast molding, metal bar pressing molding, and other manners, and an inorganic conductive material also can be used. Compared with a traditional electrostatic precipitator, electrostatic precipitator has the advantages of high efficiency, no arc discharge, low ozone and higher security.

The invention discloses a cooking mode display method and device and a range hood. The method comprises the following steps: obtaining first image information of a current food material; base on the first image information, determining the type of the food material; determining at least one type of course corresponding to the food material according to the type of the food material; and determining the cooking mode of the food material according to the course, and displaying the cooking mode on the range hood. The cooking mode display method and device and the range hood solve the technical problem of single function of the range hood in the related technology.

The invention relates to an implementation method of safety time of a client. The implementation method includes the steps as follows: step A, when a user opens client equipment, system start time Systime start, a system operating time length Get Tick Count and current system time Systime User are acquired; step B, if system time is correct, the step four is performed, and if the user modifies the system time, the step C is performed; step C, a client network updating unit judges whether the client is connected to the network or not; if the client is connected to network, DRM (Digital Rights Management) time of a time rights product is applied to a server for modification; if the client is not connected to the network, the DRM time of the time rights product is set to be the original DRM time plus Get Tick Count; and step D, whether the rights of the rights product are effective or not is judged, and the product can be normally opened and used if the rights of the rights product are effective. According to the implementation method, the problems that the use of the rights objects is prone to be out of control due to the fact that a conventional DRM system controls the usability of the rights by depending on the time of the terminal, and for certain terminals, the user can modify the time of the terminals are solved, and the reasonable use of a network multimedia rights product is guaranteed.

The invention belongs to the field of intelligent buildings, and particularly relates to a fire control IOT wireless acquisition system. The fire control IOT wireless acquisition system comprises a data server, a host computer management system, an integrated gateway, a wireless fire alarm controller, a wireless fire data acquisition terminal and a mobile terminal. The data server and the host computer management system are in communication connection through a CAN bus; the host computer management system manages each integrated gateway through a 4G network; the integrated gateway is connectedto the wireless fire alarm controller through a UART serial interface; the integrated gateway is in communication connection with the mobile terminal through the 4G network; and the wireless fire alarm controller is in communication connection with the wireless fire data acquisition terminal through a 6LoWPAN network. The data acquisition function of the fire control IOT can be realized by adopting the 6LoWPAN-based wireless sensing network, and the application scenes and the range can be expanded.

The invention discloses a comprehensive compensation method for position and attitude errors of an industrial robot. The comprehensive compensation method comprises the steps of constructing binocularvision measurement of the tail end actual position and attitude of the robot, and sampling the tail end actual position and attitude errors of the robot under large-scale configuration; and establishing a training data set and a verification data set of the theoretical position and attitude and the corresponding errors of the robot, and achieving comprehensive prediction and compensation of the position and attitude errors of target points of the robot by training a deep learning model. By means of the comprehensive compensation method, comprehensive compensation of the position and attitudeerrors of the robot can be achieved; based on sampling data under the large-scale robot configuration, the distribution rule of the position and attitude errors of the robot can be better reflected; and the position and attitude errors of the industrial robot can be effectively reduced.

The invention relates to an operation method and device for a mobile device, and the mobile device. The operation method for the mobile device comprises the steps of detecting eye information of a current user of the mobile device under the condition that a preset condition is satisfied; and carrying out corresponding operation on the mobile device based on the detected eye information and a preset corresponding relationship between the eye information and operation. According to the embodiment of the method and the devices, the mobile device is operated by utilization of the eye information of the user of the mobile device, a new operation mode for the mobile device is provided, moreover, the limit that the mobile device must be operated by a handle is removed, so under the condition that a handle is inconvenient for use, the mobile device still can be operated, an application scene of the mobile device is expanded, and the use experience of the user is improved.

The invention discloses a communication method, a communication control device and an I2C bus system, relates to the technical field of bus communication, and aims to solve the problems of low slave address modification efficiency and limited application scenarios caused by multiple slave address pins. The communication method comprises the following steps: a slave receives an addressing code sentby a host; the slave responds to the addressing code, and under the condition that the type of the reference pin electrically connected with each address pin is determined, the lower 2m bits of the slave machine address code are configured according to the types of the reference pins electrically connected with the m address pins; and a link signal is sent to the host according to the low 2m bitsof the addressing code and the low 2m bits of the slave address code. And the host is used for determining whether to establish communication with the slave according to the link signal. The communication control device comprises the communication method provided by the technical scheme. The communication method provided by the invention is used for reducing the number of slave address pins, improving the modification efficiency of the slave address and increasing the application scenarios of the slave address.

The invention belongs to the technical field of down jacket fabric processing equipment, and particularly relates to a seamless hot-pressing device for down jacket fabric. The device comprises a base, a guide column and a hot-pressing lifting support arranged on the guide column in a sleeving mode, the hot-pressing lifting support is driven by a telescopic air cylinder to ascend and descend, a fabric containing plate is arranged on the upper end face of the base, and a pressing plate is movably arranged at the position, corresponding to the fabric placing plate, of the hot-pressing lifting support through a hot-pressing adjusting mechanism; and the hot-pressing adjusting mechanism comprises a fixing plate fixedly connected with the hot-pressing lifting support. The down jacket fabric is attached through the hot-pressing technology, the pressing force and the pressing buffering stroke can be adjusted according to different hot-pressing requirements of different clothes, meanwhile, the pressing plate can be conveniently replaced through the fixing mechanism, the application scene and durability of the device are increased, and the device is simple in structure, high in stability, reasonable in design and convenient to industrial popularization and use.

The invention discloses an SF6 gas leakage online monitoring system checking device comprising a box body, a fan, a sensor, an air outlet and an air inlet. The box body is a closed container with a valve arranged on one surface. The fan is fixedly arranged in the box body, and the sensor is further fixedly arranged in the box body and used for detecting the concentration of SF6 gas and the concentration of oxygen. The box body is further provided with the air outlet and the air inlet. The air outlet is connected with a vacuum pump through an air pipe, and the air inlet is connected with an electromagnetic valve and an air cylinder. By means of the device and method in the invention, the SF6 gas leakage online monitoring system can be rapidly and conveniently checked. In addition, the invention further provides an SF6 gas leakage online monitoring system checking method, the SF6 gas leakage online monitoring system can be verified through simple steps, the method is convenient, fast, safe and reliable.

The invention discloses a real scene image synthesis method and system. The method comprises the following steps of obtaining an image training set composed of a semantic map and a real scene reference map corresponding to the semantic map; according to U-NET convolution neural network model and an excitation residual block, establishing the real scene image synthesis network model; using pre-trained VGG-19 convolution neural network model to establish the loss function of real scene image synthesis network model; using the image training set as the input of the real scene image synthesis network model; according to the loss function, training the real scene image synthesis network model to obtain the trained real scene image synthesis network model; acquiring a plurality of semantic mapsto be synthesized; inputting the semantic image to be synthesized into the trained real scene image synthesis network model, and obtaining the real scene composite image corresponding to the semanticimage to be synthesized. The invention can quickly and effectively synthesize the photographic-level scene image with stronger sense of reality, and improves the sense of reality and the visual quality of the synthesized image.

The invention provides an intelligent fitband wechat communication system comprising a fitband, a mobile phone, a backstage management server, and an instant communication module and a fitband APP arranged on the fitband; the mobile phone is provided with wechat software and a mobile phone APP matched with the fitband; the intelligent fitband wechat communication system uses the backstage management server to realize information transmission between the fitband and the wechat software; a user can transmit fitband information to the wechat, and can use the fitband to receive various information of oneself wechat account in real time and can send information to wechat friends so as to share self fitband position.

The embodiment of the invention provides a mobile robot control method and device, a mobile robot and a storage medium, and the method comprises the steps: predicting the inclination angle of a front road section relative to a current road surface where the mobile robot is located when the distance information obtained by a laser radar changes an effective distance; determining the gradient of the front road section based on the inclination angle and the pitching angle; according to the gradient and a comparison result of the gradient and a gradient threshold value set by the mobile robot, controlling the mobile robot to move; marking the front road section as a slope area on a slope map, wherein the slope map is used for controlling the mobile robot to send out climbing warning information according to the slope area when the mobile robot passes through the slope area, so that the mobile robot can run in the road section with uphill and downhill slopes, the performance of the mobile robot is improved, and the application scene of the mobile robot is broadened.

The invention provides a diaphragm with reversible thermal shutdown performance, and a preparation method and application thereof. The diaphragm with reversible thermal shutdown performance includes:a base film; and a reversible thermal expansion polymer microsphere layer arranged on at least one surface of the base film. Different from irreversible thermal shutdown performance of existing polymer microspheres with high impedance, the thermal shutdown function of the lithium battery diaphragm is achieved through reversible thermal expansion polymer microspheres, the coating density is low, reversible thermal shutdown can be achieved at the low temperature (smaller than 130 DEG C), and the internal resistance of a battery is not obviously improved. Not only is the safety performance of thelithium battery improved, but also the application scene of the lithium battery is expanded.

The invention relates to an ocean drag coaxial cable and photoelectric composite cable double-mode transmission device and method. The device comprises an overwater unit and an underwater unit. The power supply and communication of the overwater unit and the underwater unit can be carried out through a coaxial cable or a photoelectric composite cable. The overwater unit comprises a first modem, a first hybrid transmission module, a first 100M fiber transceiver, a first switch, a coaxial joint, a fiber joint, an aerial socket, a network socket and a power supply module. The underwater unit comprises a second modem, a second hybrid transmission module, a second 100M fiber transceiver, a second switch, a first watertight socket, a second watertight socket, a photoelectric composite cable watertight socket, and a power conversion module. According to the device and the method, the power supply and communication of the overwater unit and the underwater unit can be realized, underwater equipment is suitable for coaxial cable and photoelectric composite cable double-mode working, the application scene of the underwater equipment is expanded, the switching of the coaxial cable and the photoelectric composite cable is reduced, and the working efficiency is improved.

The invention discloses a multi-polarization digital beam forming antenna and provides an antenna which can be used for achieving multi-target complete-polarization beam, can be adaptive to polarization interference resistance and can be used for achieving airspace coverage. The multi-polarization digital beam forming antenna is implemented according to the following technical scheme that two dipole antennas are mutually orthogonal to form a polarization orthogonal antenna unit, airspace instantaneous coverage of complete-polarization multiple beams in four directions is achieved by the two orthogonal dipole antennas combined with digital beam formation, an output vertical polarization signal and a horizontal polarization signal are sent to a radio-frequency pre-processing unit in two paths for radio-frequency pre-processing and then are sent to a variable-frequency signal unit for down-conversion to obtain a medium-frequency signal after amplification, digital beam formation is performed on the medium-frequency signal in a digital processing unit, and four paths of digital receiving beams of a vertical polarization beam, a horizontal polarization beam, a left-handed circular polarization beam and a right-handed circular polarization beam are respectively formed. By the multi-polarization digital beam forming antenna, the multi-target complete-polarization beam is completed byrelatively high interference-resistant capability, and the defects of channel saturation and insufficient receiving sensitivity are overcome.

The invention discloses an aluminum ash deamination device and an aluminum ash deamination process. The device comprises a closed cylinder, a feeding hole, a dust removal exhaust valve, a high-temperature exhaust valve, a pressure release valve and a water inlet are arranged at the upper portion of the outer part of the closed cylinder, a discharge port and a water outlet are formed in the lower portion of the outer part of the closed cylinder, and a heating part is arranged at the outer side of the closed cylinder; a central shaft is mounted on the axis of the closed cylinder and is connectedwith a speed reducer; rake teeth are arranged on the central shaft, and rake tooth blades are arranged at the top ends of the rake teeth; arc-shaped reinforcing plates are installed on the connectingportion of the central shaft and the rake teeth, and every two adjacent reinforcing plates can form a semi-arc-shaped structure; sweeping rods are mounted in rake tooth intervals at the same horizontal position; and two sweeping rods are arranged in total and are positioned in two opposite rake tooth intervals. According to the deamination process, the reaction temperature and pressure intensityof aluminum ash and a catalyst are controlled through the deamination device, and reaction conditions are flexibly adjusted in the reaction process, so that nitrogen in the aluminum ash is converted into ammonia gas, and the purpose of deamination is achieved.