42results about How to "Real time use" patented technology

The invention discloses a visual SLAM method based on multi-feature fusion, and relates to the field of robot visual positioning and mapping. The invention discloses a multi-feature fusion vision SLAM(simultaneous localization and mapping) method based on a depth camera, which solves the vision positioning problem under the condition that pure point features fail by fully using point-line features extracted from an image and constructing plane features according to the point-line features. A self-adaptive threshold method is adopted to extract point features, so that more uniform point features can be obtained; line features are extracted, short and small line segments are deleted, and the segmented line segments are combined to improve the accuracy of line feature matching; wherein the point-line features are used for estimating the inter-frame pose and constructing a local map; a surface feature is calculated by adopting a minimum parameter method to reduce the calculated amount; the point, line and plane features are tightly coupled by constructing a back projection error function of the fusion features, and a global map is constructed to carry out global pose optimization. Thevisual SLAM method is high in precision, good in real-time performance and high in robustness, and the problem that the visual SLAM precision is reduced or even a system fails in a low-texture environment based on a feature point method is solved.

The invention provides an account checking system and method. A first configuration module sets an account checking information import template for configuration of a user and extracts first account checking information corresponding to configuration information from a target account checking data source according to the input configuration information, the first account checking information includes multiple pieces of bill information, and each piece of bill information includes payment serial number information, order information, transaction amount information, transaction date information and a transaction company. A second configuration module is used for extracting second account checking information corresponding to the first account checking information from a reference account checking data source. A matching module is used for matching of the first account checking information and the second account checking information and transmitting matching failure information to a display module to display the matching failure information when matching of a certain piece of bill information in the first account checking information and the bill information in the second account checking information fails, and the matching failure information includes the payment serial number information of the bill information. Real-time configuration and real-time application can be realized without modifying the system code level.

The invention discloses a digital fountain code based cloud storage system structure and a service providing method. By means of the system structure and the service providing method, the quality of service (QoS) of a cloud storage is effectively guaranteed. Edge clouds are deployed on different networks and in different regions, and the digital fountain code based cloud storage system structure is formed by a core cloud, the edge clouds, a terminal user and a digital fountain code coding and decoding layer. According to the system structure, services of common data, frequently-used data by a user and the like are distributed on the edge clouds of the networks or the regions where the terminal user is located, and the core cloud and the edge clouds cooperate to transparently provide a cloud storage service for the user. On the above basis, the service providing method specific to the digital fountain code based cloud storage system structure, the cooperating method of the core cloud and the edge clouds, and a user data migration method are provided. According to the digital fountain code based cloud storage system structure and the service providing method, most of network flow in the cloud storage is limited to local terminal users, the flow of a backbone network is reduced, the problem of the dependence of a centralized type cloud storage mode on the network bandwidth, the time delay and the like is effectively avoided, and the QoS of the cloud storage is guaranteed.

The embodiment of the invention discloses an information flow recommendation method and a device based on deep reinforcement learning, equipment and a medium, and relates to the technical field of information processing. The method comprises the steps of collecting a historical click sequence of a target user; calling a preset actor neural network and a preset critic neural network; generating a user recommendation list, and displaying the user recommendation list to the target user to obtain feedback result data and a new historical click sequence generated after feedback; calculating a timedifference error; updating parameters in the critic neural network and the actor neural network; and generating a new user recommendation list, and displaying the new user recommendation list until feedback result data of the target user for the new user recommendation list and a new historical click sequence generated after feedback cannot be obtained. According to the method, the interactivity between the recommendation system and the user is enhanced, the feedback of the user is utilized in real time, the recommendation engine can be continuously optimized, the recommendation quality is improved, the user experience is improved, and the user is effectively attracted to remain.

The invention discloses a method for reconstructing a disk array, which is applicable to a disk array and comprises the following steps: firstly, replacing a hard disk in the disk array, wherein the hard disk comprises an expanded capacity; then checking using condition of each hard disk in the disk array and calculating a total available capacity of the disk array; afterwards, performing a disk array expanding program for adding the expanded capacity into the total available capacity; and finally, using the total available capacity and performing the work schedule continuously.

The invention relates to a high-rise water supply and drainage integrated gas medium energy return-flow system based on air energy storage. The high-rise water supply and drainage integrated gas medium energy return-flow system comprises an energy collecting module, a torque increasing transmission module and an energy return-flow module. The energy collecting module is composed of a gas guide-out pipe, a sewer line and a pelton turbine; the torque increasing transmission module comprises a reducer and a crankshaft and connecting rod mechanism, a power input gear of the reducer and the pelton turbine are coaxial, and a power output gear of the reducer is installed on a crankshaft of the crankshaft and connecting rod mechanism; and the energy return-flow module comprises a piston, an inflator, a gas temporary storage tank and a secondary water supply pressure tank, the piston is connected to the end of the crankshaft, and a gas outlet of the inflator is communicated to the gas temporary storage tank in a one-way manner to be then communicated to the secondary water supply pressure tank in a one-way manner to be finally communicated to the gas guide-out pipe in a one-way manner. According to the high-rise water supply and drainage integrated gas medium energy return-flow system, potential energy of high-rise waste water is collected and is stored in a gas storage device in the manner of high-pressure gas potential energy and is used for existing residential area secondary water supply systems, and therefore part of water supply energy flows back to assist in water supply, and energy consumption of high-rise water supply is reduced.

The invention discloses an internet protocol (IP)-based teleconference service method. The method comprises the following steps that: a, one or more users register to a conference platform; b, one of the users requests for a teleconference with at least two other users towards the conference platform; c, the conference platform analyzes the media ability of the registered users and selects the user with enough media ability as the host of the teleconference; and d, after the command of the conference platform is received, the user selected as the host of the teleconference establishes the teleconference. The invention also relates to a system for realizing the method. The method and the system can provide a teleconference service by using a media resource of the user under the condition that the teleconference platform does not have the media resource.

A cloud service platform design method based on multi-source heterogeneous big data fusion comprises the steps of multi-source heterogeneous big data integration framework construction oriented to industry application, multi-source heterogeneous big data fusion model and algorithm research based on a fuzzy D-S evidence theory, and cloud service platform development and application based on multi-source heterogeneous big data fusion. Multi-source heterogeneous big data can be processed in real time, the performance is improved, services are provided for related enterprises and institutions, and the effective utilization rate of the data is improved. The method is a cloud service platform based on multi-source heterogeneous big data fusion developed for industries of intelligent logistics, intelligent manufacturing, intelligent medical treatment and the like, automation, informatization and scientization of daily operation decisions of enterprises or institutions in related industries are promoted, and application demonstration is carried out at the same time.

A three-dimensional digital power grid continuous monitoring system comprises a remote data platform, a client, a control end and a power grid monitoring terminal. According to the three-dimensional digital power grid continuous monitoring system, operation data of power components are combined with a three-dimensional digital power grid map through GPS geographical data so that a control end user and a client user can experience a real, accurate and visual power grid image with abundant information. According to the three-dimensional digital power grid continuous monitoring system, through introducing the control end and the client, convenient access of the remote data platform by power operation management departments in different regional sections is realized. The three-dimensional digital power grid continuous monitoring system has advantages of user-friendly performance, comprehensive collected data, wide coverage range and full realization of integrated operation management of the state grid.

The invention discloses a microphone control method, audio receiving equipment and audio acquisition equipment, which are used for realizing large-range audio input. According to the embodiment of the invention, an audio receiving equipment searches for an alternative audio acquisition equipment capable of providing an external microphone function; sending a pairing request message to the target audio acquisition equipment; and after the pairing confirmation message is received, establishing WiFi Direct connection with the target audio acquisition equipment, and taking a microphone of the target audio acquisition equipment as an external microphone of the audio receiving equipment through the established WiFi Direct connection. Since the transmission time delay of the WiFi Direct connection is low and the bandwidth is high, the audio receiving equipment can receive the audio data with low time delay and high fidelity tone quality, the audio acquisition equipment can be used as a microphone of the audio receiving equipment within the effective signal range of the WiFi Direct connection, the physical limitation is less, and the user experience is improved.

The invention discloses anillumination control system of tunnel lamps on expressways. The illumination control system comprises an illumination control device, wherein the illumination control device is connected with an upper computer by an exchanger, receives signals measured by a brightness detecting instrument and a vehicle detector by a bus, and is connected with and outputs PWM (Pulse Width Modulation) signals to a constant-current power supply of an LED (Light Emitting Diode) lamp in an illumination loop in a tunnel by a PWM bus; the constant-current power supply of the LED lamp is connected with the LED lamp; when the PWM signals are in high level, the current output of the constant-current power supply of the LED lamp is the minimum value, and when the PWM signals are in low level, the current output of the constant-current power supply of the LED lamp is a maximum value; and the illumination control device outputs at least two paths of PWM signals, and the number of the paths is set by the illumination control device according to processed results of the signals measured by the brightness detecting instrument and the vehicle detector. The illumination control system disclosed by the invention has the advantages that under the conditions with different light environments, vehicles or novehicles and different vehicle flows, automatic stepless regulation is realized for tunnel illumination on the expressways, so that the light-emitting efficiency of the lamps is improved and the consumption of the electric energy for tunnel illumination is reduced.

The invention discloses a gunpowder power generation system and method. The gunpowder power generation system comprises a raw material preparation system, a metering cyclic system, a control system, an impulse turbine system, a dedusting noise elimination filter system, a purification treatment system and a power generation and transmission system. With adoption of the gunpowder power generation system for gunpowder power generation, real-time preparation and production of the raw material are realized, explosive danger is avoided even if the raw material is exposed before production, the security and stability are ensured, real-time production and application are realized, and immediate preparation and production are realized; a coordinating structure adopting direct connection of a burner and an impulse turbine can rapidly release the energy generated by gunpowder combustion; through the metering cyclic system and the control system, the usage amount of the raw material entering the burner can be controlled, and the power generated by gunpowder combustion explosion can be adjusted as required for security control; in addition, the function conversion rate can reach 75% to 86%, and the percent conversion is high.

The invention discloses an emergency real-time sensing system of a large centralized power customer service center and a construction method. The emergency real-time sensing system comprises a data acquisition module, a text data processing module, a feature vector construction module, a multi-document theme analysis module, an event sensing module and a result pushing module. According to the invention, work order data is accepted based on massive customer service center businesses; based on Apache Flink, LDA, TextRank and other technologies and algorithms, an emergency real-time perception method is constructed, automatic processing of text information of a customer service center and emergency convergence are achieved, automatic identification of emergencies is achieved, and the blank of the business requirement is filled.

The hand held type electronic apparatus includes image interception module, display screen, image-contracted module, and data storage device. The image interception module can intercept data of original image. The image-contracted module can convert data of original image to image-contracted data, which are stored in data storage device.

The present invention disclose a multi -user mixed spectrum sharing method and system. Its cognitive users initiate spectrum perception and perceive whether the authorized frequency band is idle; if I perceive the authorized frequency band, it is recognized that users intend to adopt the opportunity spectrum sharing mode.The transmitting power of the transmission probability is connected to the authorized frequency band; if the user occupies the authorized frequency band, that is, the authorized frequency band is not idle, the transmitting power connection when the user intends to adopt the optimal interrupt probability in the coexistence spectrum sharing modeEnter the authorization frequency band.On the premise of ensuring the communication quality of the main user, the premise of the main user is optimized the probability of the interruption of the cognitive user, and the system spectrum utilization and system capacity are finally improved.

The invention relates to the technical field of meteorological element measurement and technology development, and discloses a method and system for indirectly measuring the dew point temperature by amicrowave radiometer, wherein the method comprises the following steps: S1, carrying out data decoding of the microwave radiometer, and extracting the temperature and humidity values of N profiles; S2, automatically identifying an algorithm of each height point of each profile based on temperature and humidity values; S3, calculating the dew point temperature of each height point of the N profiles according to an algorithm matching result; and S4, generating a 0-24-h and 0-10 km dew point temperature hour height map in an imaging manner. According to the method for indirectly measuring the dew point temperature by the microwave radiometer, different algorithms are matched according to different temperature and humidity, dew point temperature values of different height points of each profile are calculated, images are generated, and continuous measurement of the 0-24-h and 0-10 km dew point temperature is achieved; and continuous judgment of atmospheric condition saturation degrees ofdifferent layers of 0-10 km and continuous generation of severe convection forecasting and early warning products serving convection temperature, K index, total index (TT) and the like are provided for a pre-announcer.

The invention relates to the field of small household appliances, and discloses a wireless humidifier. The wireless humidifier comprises a seat body, a water tank and a nozzle, wherein the upper end face of the seat body is downwards concave to form a fogging cavity; a power source part is also arranged on the seat body; the power source part comprises a power source; a fogging sheet is arranged in the fogging cavity; the power source is used for supplying power for the fogging sheet; the water tank is arranged on the seat body; the water tank is provided with a drainage channel and a fog discharge channel which are communicated with the fogging cavity; water stored by the water tank is drained into the fogging cavity by the drainage channel; the nozzle is communicated with an outlet of the fog discharge channel; and water fog produced by the fogging of the fogging sheet is discharged by the fog discharge channel and the nozzle in sequence. The wireless humidifier has the advantages that the wireless humidifier is convenient to carry and can be used in real time; the application occasions are wide; uniform humidification is realized; and a healthy and comfortable environment is created.

The invention belongs to the technical field of network isolation fault recovery when a communication network has a fault, and discloses a network isolation fault recovery system using a silent link in the communication network. The method comprises the steps that firstly, each node device forming a communication network operates a topology discovery protocol module, so that each node device obtains the topology of the whole network and can sense the change of the network topology in real time; for a network device node in a network, one or more silent links are pre-configured, the silent links being used to connect a local device node and a neighbor device node. According to the method, the silent link is automatically activated when the software protocol module judges network isolation, so that the network isolation fault is automatically relieved, and compared with an existing manual network isolation fault repairing technology, network communication can be quickly and automatically recovered, and long-time communication interruption is avoided.

The present invention provides an electric leakage and climbing arc monitoring system of a high voltage insulator. The system comprises a MCU, an electric leakage monitoring module, a climbing arc monitoring module and an alarm module. The electric leakage monitoring module comprises a leakage current sensor, a current and voltage collection module, a signal amplifier, a filtering rectification circuit and a data analysis circuit. The climbing arc monitoring module comprises a camera, an infrared probe and a video collection circuit. The alarm module comprises an audible and visual alarm and a communication module. The electric leakage and climbing arc monitoring system of the high voltage insulator employs the electric leakage monitoring module and the climbing arc monitoring module to perform real-time safety monitoring of the high voltage insulator, and comprises electric leakage and climbing arc monitoring, video capture and the like to provide reference data for safety monitoring of an electric transmission line and timely alarm so as to realize the real-time monitoring of the electric transmission line when the line has problems; and moreover, the structure is simple, the usage is safe, and the monitoring is convenient and rapid, etc.

The invention provides a security information interaction system, device and method. The method comprises the following steps: a security information interaction terminal is used to complete the security information interaction process based on a security information interaction instruction from a user and thorough the data interaction with an external security carrier and a data processing server; and the security information interaction terminal is used to automatically execute operations associated with the security information interaction process through the data interaction with the data processing server after the security information interaction process is completed. The security information interaction system, device and method disclosed in the invention can use auxiliary resources associated with specific security information interaction on a real-time basis and / or automatically.

The invention discloses a real-time monitoring apparatus for building fire-fighting and warning. The real-time monitoring apparatus is composed of a central processor, a temperature sensor, a smoke sensor, a voice acquisition module, a shooting acquisition module, a positioning module, a storage device, a warning device, a wireless communication module, a fire fighting and warning module, a display device, an escape emergency lamp circuit, an electrically controlled door lock drive circuit, and an electrically controlled door lock. The temperature sensor, the smoke sensor, the voice acquisition module, and the shooting acquisition module are connected with the central processor respectively; the shooting acquisition module is connected with the positioning module; the central processor is connected with the storage device and the warning device; the central processor is connected with the wireless communication module connected with the fire fighting and warning module; the wireless communication module is connected with the electrically controlled door lock drive circuit and the escape emergency lamp circuit; and the electrically controlled door lock drive circuit is connected with the electrically controlled door lock. The real-time monitoring apparatus can be used conveniently; the real-time monitoring performance is good; warning can be carried out rapidly; and a rescuer can be helped.

The invention provides a three-dimensional digitalized power grid intelligent patrol system, including a remote data platform, a client side, a control side and a patrol side. The system utilizes a 4D display technology to update a three-dimensional digitalized power grid map to the remote data platform in real time, the intuition is high, the information amount is abundant and comprehensive, obtained power grid operation and maintenance data are true, accurate, visual and intuitive. The three-dimensional digitalized power grid intelligent patrol system provided by the invention adopts the client side, the control side and the patrol side, and patrol data can be accurately pushed to the client side and the control side in real time.

The invention discloses an electric heating drying oven. The electric heating drying oven comprises a shell, a fan, heating tubes and a liner. The fan is fixedly embedded into the outer surface of oneside of the liner. The heating tubes are fixedly installed on the outer surfaces and the outer bottom ends of the two sides of an opening in the side, with the fan, of the liner respectively. Protruding rivet structures are fixedly installed on the outer surfaces of the two sides of the liner respectively. Each protruding rivet structure comprises a lifting lug and a blocking piece. The liner ismovably connected with an outer shell. An air outlet pipe is installed in the outer shell and the top of the liner in penetration manner. A tube end connection flange and a tube end installation flange are fixedly installed at the two ends of the air outlet pipe respectively. The tube end connection flange is used for connection with a drying oven air outlet channel. According to the electric heating drying oven, because of a series of arranged structures, the circulation efficiency of hot air inside the drying oven is improved in the process of drying materials because of application of the electric heating drying oven, the use ratio of heat energy is increased, and the better drying effect is achieved.

The invention discloses a three-dimensional digitalized power grid planning system, and the system comprises a remote planning platform, a planning client, and a power grid monitoring terminal. The system enables the power planning and a three-dimensional panoramic digitalized power grid, enables the operation data of a power element to be combined with a three-dimensional digitalized power grid map through GPS geographic data and to be compared with an original power element parameter database in a remote data platform, forms early warning information, and enables a user of the planning client to be able to experience a power grid image with the abundant, true, accurate and visual information. The system brings convenience to power operation management departments at each segment for participating and visiting the remote planning platform through the introduction of the planning client, is good in friendliness, is complete in collected data, is wide in coverage, and truly achieves the integrated operation management of the state grid.

The invention discloses an internet protocol (IP)-based teleconference service method. The method comprises the following steps that: a, one or more users register to a conference platform; b, one of the users requests for a teleconference with at least two other users towards the conference platform; c, the conference platform analyzes the media ability of the registered users and selects the user with enough media ability as the host of the teleconference; and d, after the command of the conference platform is received, the user selected as the host of the teleconference establishes the teleconference. The invention also relates to a system for realizing the method. The method and the system can provide a teleconference service by using a media resource of the user under the condition that the teleconference platform does not have the media resource.

The invention discloses a cross-service Modify data sharing and using method, a system, a device and a storage medium. The method comprises the steps of obtaining return data in the mode that cross-service is called through an automatic engineering service; analyzing the content data of which the type is Modify from the returned data; monitoring and intercepting an interface request of an interface needing to use the Modify data through a proxy server in the automation engineering service; transmitting the content data into an automatic engineering service, matching and modifying parameters according to a Meddy rule, and returning; and applying the returned modified data to the automation case through the automation engineering service so as to carry out data verification, UI display and checking. The UI automatic case writing is simplified, the case execution efficiency is improved, and when Mordify data need to be performed after a proxy server intercepts a request, only a cross-service method needs to be called to obtain the Mordify rule data stored in the cross-service data, and after analysis, the Mordify rule data is directly transmitted into the Mordify data method for batch modification and is returned in real time for use.

The invention discloses an active power balance device which comprises a GP650 active power balance device. The GP650 active power balance device is provided with two different terminal strips, a three-phase voltage is arranged on the GP650 active power balance device, and the two different terminal strips are electrically connected to the three-phase voltage through wires. In the aspect of compensating for inductive reactive power and capacitive reactive power, the active power balance device is effective and responsive. In the aspect of voltage boost, the device can track in real time and isactive and stable. In the aspect of balancing the three-phase active power, the device achieves real-time tracking and active equalization. In the aspects of protecting a power distribution transformer, the device can monitor a three-phase load in real time, the three-phase equalization output is achieved, single-phase overload is prevented, and the power supply reliability is improved. In the aspect of harmonic control, a three-phase harmonic current is tracked in real time, the active offset is achieved, the power quality can be improved, and the neutral harmonic overcurrent is prevented.

The invention provides a video monitoring system used for monitoring cable leakage and arc-climbing. The video monitoring system used for monitoring cable leakage and arc-climbing comprises a controller, a data transmission module, a video capturing module, an alarming module, a monitoring module, a memory, a circuit breaker and an electric brake protector; the alarming module comprises an audible-visual alarm and a communication module; the video capturing module comprises a camera, an infrared probe and a video collection circuit; the data transmission module comprises an RS485 / 232 converter, an IPC (Industrial Personal Computer) and a monitor; the monitoring module comprises an environment temperature monitoring unit, an electric leakage monitoring unit and an electric arc monitoring unit; the memory, the circuit breaker and the electric brake protector are respectively connected with the controller. As the advanced video monitoring system is adopted to carry out real-time safety monitoring, including electric leakage and arc-climbing monitoring and video capturing, on a cable, reference data are provided for safety monitoring of the cable; and as an alarm can be given in time when the cable is in problem, real-time monitoring of the cable is realized; and the video monitoring system used for monitoring the cable leakage and arc-climbing has the advantages of simple structure, use safety, monitoring convenience and etc.