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83results about How to "Ensure normal communication" patented technology

Preset time encircling control method for privacy protection under event trigger mechanism

The invention discloses a preset time encircling control method for privacy protection under an event trigger mechanism. The method comprises the following steps: firstly, establishing a multi-robot system comprising a plurality of leaders and a plurality of followers, and defining a preset time encircling control problem under privacy protection constraints; designing a privacy protector based on an output mask function; a preset time privacy protection surrounding controller is further constructed, so that all the follower robots can enter the convex hulls of the leader robots on the premise of protecting the privacy of the follower robots; then, constructing an event trigger function without a sesame behavior, and designing a privacy protection preset time encircling controller based on an event trigger mechanism; according to the method, an event triggering mechanism and a finite time theory are combined, the convergence performance of privacy protection surrounding control of the multi-robot system is improved, resource consumption of algorithm calculation is reduced, privacy protection, communication broadband constraint and convergence speed are integrated, and the application scene of the algorithm is further expanded.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Wireless communication method for multiple cooperative working aircrafts

The invention relates to the field of communication of unmanned aerial vehicles, in particular to a wireless communication method for multiple cooperative working aircrafts. The method comprises the following steps: establishing at least one aircraft group; when the number of the aircraft groups is 2-N, grading the aircraft groups; grading M aircraft units in the aircraft group; establishing communication among different levels of aircraft units in the same aircraft group; establishing communication among the aircraft units in different aircraft groups; when all the aircraft units of the first level in each aircraft group are lost, damaged or invalid, the level of at least one aircraft unit in the aircraft group is automatically adjusted to be the first level, and replacement is completed. According to the invention, it is ensured that the whole aircraft group can have the maximum operation effectiveness; the operation cost of the whole aircraft is reduced; emergency processing modes can be established between the groups and in the groups; effective control on the low-priority aircraft is realized; and the power system cost is saved.
Owner:XIAN TECH UNIV

Handheld ultrasonic device capable of rotating at multiple angles

The utility model relates to the technical field of ultrasonic devices, in particular to a multi-angle rotating handheld ultrasonic device which comprises an image display module and an image acquisition module, and the image display module is connected with the image acquisition module through a rotating structure; the rotating structure comprises a rotating shaft support, an L-shaped side shaft is arranged on one side of the rotating shaft support, and a T-shaped rotating shaft is arranged in the middle of the rotating shaft support. The L-shaped side shaft is connected with the image acquisition module, and the T-shaped rotating shaft is connected with the image display module. By arranging the rotating shaft support, the L-shaped side shaft and the T-shaped rotating shaft, the image acquisition module and the image display module are integrated, the included angle relation between the image display module and the image acquisition module can be adjusted in the left-right and up-down directions, and multi-angle rotation can achieve the purposes of opening, application, operation and storage in various use scenes.
Owner:HEALSON TECH CO LTD

Application method through ad hoc network protocol

The invention provides an application method through an ad-hoc network protocol, and the method comprises the following steps: S1, carrying out the networking through a full peer-to-peer Mesh structure, enabling all nodes to be completely peer-to-peer, and enabling all nodes to cooperate with each other to complete the network building and routing forwarding and communication; s2, dividing the same equipment in different areas or different equipment in the same area into different networks, distinguishing the different networks through network IDs, and performing physical network isolation by adopting different channels in the different networks; s3, a single network carries out data interaction through unicast communication and broadcast communication, and when the unicast communication is selected to be carried out, the unicast communication is carried out by taking the unique ID set in each device as a communication address; and S4, when broadcast communication is adopted, interaction is carried out through a master-slave communication mechanism, communication is initiated by a set host, interaction is carried out through nodes, the nodes wait for commands of the host to respond, and the slave end does not carry out data exchange with other slave nodes.
Owner:XIONGAN POSITIONING TECHNOLOGY CO LTD

Dummy terminal detection method and system, storage medium and electronic equipment

The invention discloses a dumb terminal detection method and system, a storage medium and electronic equipment, and belongs to the field of communication, and the method comprises the following steps: S1, an AP starts an ARP pickup, and obtains a network segment address of a current network when a normal terminal is accessed; after it is confirmed that the dummy terminal accesses the AP, the step S2 is executed; s2, the AP assembles a free ARP message by combining an IP address in a network segment address of the current network with an MAC address of a dumb terminal association frame one by one, and sends the free ARP message to the dumb terminal for detection; s3, when the IP address in the free ARP message received by the dumb terminal is the same as the IP address of the dumb terminal, replying an ARP response message for the free ARP message; and S4, the AP obtains the IP address of the dumb terminal according to the ARP response message replied by the dumb terminal. According to the invention, normal communication between the wireless dumb terminal and other equipment can be ensured on the premise that the ARP pickup function is started.
Owner:MAIPU COMM TECH CO LTD

Transmission processing method and device, terminal and network side equipment

The invention discloses a transmission processing method and device, a terminal and network side equipment, and belongs to the technical field of communication, and the transmission processing method comprises the steps that the terminal receives a mobility LTM switching command triggered by a layer 1 and a layer 2 from a source distributed unit DU; under the condition that the LTM switching command carries a next hop link counter (NCC), the terminal determines a first key based on the NCC; wherein the first key is used for communication between the terminal and a target cell.
Owner:VIVO MOBILE COMM CO LTD

Unmanned aerial vehicle flight path planning method and system under flight path deception interference background

The invention provides an unmanned aerial vehicle flight path planning method and system under a flight path deception interference background, and belongs to the field of unmanned aerial vehicle flight path planning, and the method comprises the steps: setting an unmanned aerial vehicle flight speed range, an unmanned aerial vehicle flight height, an unmanned aerial vehicle maximum turning rate and an unmanned aerial vehicle maximum climbing angle, and building constraint conditions; weighting the total energy consumption of unmanned aerial vehicle motion, the total channel transmission loss of communication signals between the unmanned aerial vehicles and the radar discovery probability, and constructing an evaluation function model; and generating a false track of deception jamming according to a task demand, selecting a distance ratio coefficient as a particle of PSO, outputting an optimal fitness value and a corresponding particle position in combination with a constraint condition, and obtaining an unmanned aerial vehicle track planning result. The radar discovery rate and the transmission loss of the obtained unmanned aerial vehicle flight path planning result are optimal, and preconditions and reliable guarantee are provided for implementation of flight path deception interference.
Owner:AIR FORCE EARLY WARNING ACADEMY

Electrical plug and endoscope

The utility model relates to the technical field of endoscopes, and particularly discloses an electrical plug and an endoscope, and the electrical plug comprises a plug seat which is provided with a first installation through hole; the connector seat is provided with a second mounting through hole; the first contact piece is arranged in the first mounting through hole, and the first contact piece comprises a core sleeve, a first contact, a first insertion core, a spring and an elastic clamping ring; the core sleeve is arranged in the mounting through hole; the first contact is slidably arranged in the core sleeve, and the first contact partially extends out of the core sleeve in a mode of preventing the first contact from being separated from the core sleeve; the first insertion core extends into the core sleeve and is inserted into the first contact, the first insertion core is movably connected with the first contact, and the first insertion core is connected with the core sleeve; the spring is arranged in the core sleeve and is used for keeping the trend that the first contact extends out of the core sleeve; the elastic clamping ring is used for elastically abutting against the first insertion core and the first contact. And the second contact piece is arranged in the second mounting through hole, and the second contact piece is used for abutting against the first contact piece.
Owner:ZHUHAI SHIXIN MEDICAL TECH CO LTD

IP consistency method for K3s service migration

The invention discloses an IP consistency method for K3s service migration, and belongs to the technical field of K3s-based edge computing. In order to solve the problem of performance and fault tolerance of the transparency technology of a client caused by the existing realization of service migration, when service state migration is carried out, a source node service state migration module synchronizes request information to a target node service state migration module, and network configuration is modified; the source node IP migration module obtains IP information of a source service Pod and writes the IP information into an IP cache file, and the NFS synchronizes the IP cache file to the target node IP migration module; the target node network plug-in calls a target node IP migration module to read the IP cache file, and the target node network plug-in allocates the read IP to a target service Pod; and the target node service state transition module performs state recovery on the target service Pod by using the check point file, and the target node network state transition module modifies the network configuration of the target node.
Owner:HARBIN INST OF TECH

Power distribution network power and communication coordination method under extreme disasters

The invention discloses a power distribution network electric power and communication coordination method under extreme disasters, and relates to the technical field of electric power operation and maintenance, and the method comprises the steps: S1, constructing a power distribution network electric power-communication system structure model; s2, determining a communication system recovery strategy; s3, the robustness of the STU communication module is improved; and S4, formulating a coordination recovery strategy of the power distribution network power and the communication system. Through coordination recovery of the power distribution network power and the communication system, the power distribution network power and the communication system can be rapidly recovered after a disaster occurs, the power failure and communication interruption time is shortened, and the recovery speed of the whole system is improved; meanwhile, the research of the recovery strategy can formulate corresponding response schemes for different extreme disaster situations, the robustness and reliability of the system are improved, the influence of the disaster on the system is reduced, the power distribution network power and communication system can also be recovered in the disaster within a short time, the loss of enterprises and users caused by power failure and communication faults can be reduced, and the economic benefits of the enterprises and the users are improved. And the continuity of production and business is protected.
Owner:STATE GRID QINGHAI ELECTRIC POWER CO HAINAN POWER SUPPLY CO +1

Smart metasurface assisted near-field time-division integrated sensing method and system

The application provides a kind of intelligent metasurface assisted near-field time division integrated sensing method and system, it is related to wireless communication field.The application designs integrated sensing system by introducing RIS and single antenna receiver, avoids complex full-duplex base station and multi-antenna receiver, significantly reduces hardware complexity and implementation cost under the premise of ensuring high-quality communication and sensing performance;The adjustable frame structure designed separates the communication subframe and the sensing subframe completely, decouples the communication beam optimization and the sensing signal design, respectively realizes the communication and sensing functions in a purer signal environment;In the communication subframe, the communication and rate maximization are realized, and in the sensing subframe, the sensing capability is enhanced through the transmission beam pattern matching, which significantly improves the overall communication rate and sensing accuracy of the system;Finally, a virtual multi-dimensional receiving signal of multiple passive targets in the near field of RIS is constructed through repetition coding design, and then the 2D-MUSIC algorithm is used to estimate the target angle and distance parameters.
Owner:ANHUI UNIV

Terminal communication mode adjustment method and apparatus, terminal and storage medium

A terminal communication mode adjustment method and apparatus, a terminal and a storage medium. The terminal communication mode adjustment method comprises: acquiring the running state of a terminal, the running state comprising one among running scenarios, network performance and running speed or any combination thereof; matching, according to the running state, a corresponding adjustment means, wherein the adjustment means corresponds to different running states, N adjustment means are preset, and N is an integer greater than 1; and adjusting the communication mode of the terminal according to the adjustment means.
Owner:ZTE CORP

Centralized storage device

The invention relates to the technical field of storage equipment, in particular to centralized storage equipment. The centralized storage device comprises at least two control nodes and at least one host network connection card, and the number of the control nodes supported and connected by each host network connection card is greater than or equal to the number of the control nodes; and each control node is connected with the same host network connection card so as to realize mutual communication among the control nodes. The centralized storage device is simple in structure and low in cost, and achieves load balancing and redundancy protection.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Deep space star catalogue multi-detector air-ground collaborative deployment method based on reinforcement learning

The invention provides a deep space star catalogue multi-detector air-ground collaborative deployment method based on reinforcement learning, and belongs to the technical field of planet surface detection. According to the method, a leap device and a patroller serve as detectors to cooperatively detect an unknown area of a deep space star catalogue, three types of communication channels are established between the detectors, and the communication radius between the different detectors is calculated; the method comprises the following steps: establishing constraints in the aspects of communication range, sensing range, coverage mode and energy, and setting an optimization target to keep communication connection between detectors under limited energy and maximize the total coverage area of the detectors; a leap device and a patroller are used as two agents, and an optimal deployment strategy is determined based on a multi-agent near-end strategy optimization algorithm. According to the invention, the method optimizes the regional coverage strategy, achieves the efficient distribution of resources, improves the detection efficiency and accuracy of a leap device and a detector in extreme terrains and complex environments, reduces the energy consumption while guaranteeing the coverage efficiency, and improves the overall energy utilization efficiency of the system.
Owner:BEIHANG UNIV

A method for constructing a message channel between two independent systems based on PPS

The present invention relates to the technical field of constructing a message transmission channel between systems, and in particular to a method for constructing a message channel between two independent systems based on PPS, including step S1, a first independent system and a second independent system of serial communication are powered on, and the first independent system or the second independent system is a QNX system; S2, the message channel of the first independent system converts the information format into the information format on the serial bus, and converts the message ID in the converted information format into a character string; S3, the second independent system publishes the information received by the specific message channel to the user through PPS; in the step S2, any PPS object of the receiving end is defined in the character string. The present invention solves the problem that in the existing communication mode, when the message content needs to be modified, there are redundant steps that should not exist, resulting in a greatly extended modification time and a larger modification scope.
Owner:HUIZHOU DESAY SV AUTOMOTIVE

Active optical chip adapter plate and preparation method thereof

The invention relates to the technical field of adapter plates, and discloses an active optical chip adapter plate and a preparation method thereof. The preparation method of the active optical chip adapter plate comprises the following steps: providing an active optical chip with a connection point and an exposed optical port, and forming a protection layer covering the optical port and the connection point on the active optical chip; forming a through-silicon-via structure penetrating through the protective layer and extending to the active optical chip, wherein the through-silicon-via structure comprises conductive metal and is staggered with the optical port and the connection point; removing the protection layer on the connection point to expose the connection point, and forming a first wiring layer electrically communicating the conductive metal and the connection point on the protection layer; and removing the first wiring layer and the protective layer on the optical port to expose the optical port. According to the invention, before the active optical chip is subjected to the silicon through hole process, the protective layer is formed on the surface of the active optical chip, so that pollution to an optical port by a subsequent process and damage to a connection point by a wet process liquid medicine are reduced, and the performance of the optical chip active adapter plate is ensured.
Owner:NAT CENT FOR ADVANCED PACKAGING CO LTD

A remote real-time monitoring and control method for smart factories based on industrial Internet

The present invention relates to the field of smart factory control technology, and discloses a remote real-time monitoring and control method for smart factories based on the industrial Internet. First, an ant colony algorithm is used to establish a shortest path table between various devices in a factory. Based on the shortest path table, when the factory receives an order, according to the equipment resources required in the order, when there are equipment resources in the factory that meet the order requirements, the ant colony algorithm will be used to arrange appropriate equipment to process the order. At the same time, the smart factory will establish a TDMA time allocation table in real time according to the number of equipment in the current workshop, and communicate with the equipment in the workshop at different times through the TDMA time allocation table; in the process of arranging equipment to process the order, the smart factory will regularly access the equipment in the order based on the TDMA time allocation table to ensure remote real-time monitoring and control of order production.
Owner:上饶丫牛软件中心(个人独资)

A communication test method, a communication test system, a communication device and a storage medium

ActiveCN115622928BWith automatic filling functionReduce labor costsTransmission
The present application discloses a communication test method, a communication test system, a communication device and a computer-readable storage medium. Among them, a first communication device and a second communication device are networked, the first communication device is deployed in a control center, the second communication device is deployed in an unmanned device, the first communication device and / or the second communication device adopt an unreliable transmission communication protocol, and the first communication device and the second communication device both have an automatic packet filling function. The communication test method applied to the first communication device includes: communicating with the second communication device within a specified test time period; after the test time period ends, generating a first test log, and receiving a second test log sent by the second communication device; analyzing the first test log and the second test log to obtain a communication test result. Through the scheme of the present application, the test efficiency of the communication test can be improved while saving the manpower cost of the communication test.
Owner:ZHUHAI YUNZHOU INTELLIGENCE TECH COMPANY +1

Signaling processing method, device and system, computer equipment and readable storage medium

The invention relates to a signaling processing method, device and system, computer equipment, a computer readable storage medium and a computer program product. The method is executed by a signaling processing server, and comprises the following steps: when a signaling request message forwarded by a signaling gateway server and sent by communication equipment is received, analyzing an equipment identifier of the communication equipment from the signaling request message; when determining that the local end does not include the equipment information of the communication equipment based on the equipment identifier and the communication equipment completes equipment registration, obtaining the equipment fingerprint information of the communication equipment based on the equipment information carried by the signaling request message; obtaining registration fingerprint information of the communication equipment according to the equipment information of the communication equipment during equipment registration; and when the equipment fingerprint information is matched with the registered fingerprint information, constructing a response message for the signaling request message, and forwarding the response message to the communication equipment through the signaling gateway server for signaling processing. By adopting the method, the communication efficiency can be improved.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Adaptive energy harvesting method, system, device and medium for power Internet of Things

The present invention provides an adaptive energy collection method, system, device and medium for an electric power Internet of Things, and relates to the field of electric power communication technology. The method includes: based on a genetic algorithm, iteratively optimizing and solving a target optimization problem with maximizing the total amount of energy collected by multiple power terminals as an objective function, and with a first communication configuration constraint corresponding to each wireless access node and a second communication configuration constraint corresponding to each power terminal as constraint conditions; according to the optimized optimal transmission state and optimal cooperation state between each power terminal and each wireless access node, as well as the optimal power splitting factor, controlling each power terminal to collect energy from the original signal sent by multiple wireless access nodes. The present invention realizes the deployment of the optimal energy strategy for each power terminal with the goal of maximizing the total amount of energy collected by the power terminal under the premise of ensuring the normal communication of the power terminal, which can effectively improve the energy collection performance of the user while meeting the communication needs.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO

Integrated circuit, system on chip and electronic equipment

The invention provides an integrated circuit, a system on chip and electronic equipment, which are applied to the technical field of computers, the integrated circuit comprises at least one first bare chip, one second bare chip and one third bare chip, the first bare chip, the second bare chip and the third bare chip are sequentially stacked in the vertical direction, the second bare chip is located on the second top layer, and the third bare chip is located on the second top layer. The first bare chip is located on the top layer, the second bare chip is located on the bottom layer, the third bare chip is located on the top layer, the first bare chips, the second bare chips and the third bare chips are sequentially cascaded, further, any first bare chip is further connected with another bare chip spaced by one bare chip, and the circuit can directly cross an abnormal bare chip to communicate with another bare chip spaced by the abnormal bare chip under the condition that any first bare chip or the second bare chip is abnormal. Therefore, under the condition that the abnormal bare chip is cut off, normal communication among the other bare chips is ensured, all the bare chips located at the downstream of the abnormal bare chip in the signal transmission direction can continue to operate, and the reliability and robustness of the chip are effectively improved.
Owner:PHYTIUM TECH CO LTD

A train interval control method, device, equipment and storable medium

The application provides a train interval control method, device and equipment and a storage medium, relates to the technical field of rail transit, and comprises the following steps: obtaining driving information of a target train; calculating safety envelope position information of the target train based on the driving information, wherein the safety envelope position information comprises a safety envelope head position and a safety envelope tail position; generating first target short message information based on the safety envelope position information; sending the first target short message information to a control train corresponding to the control train based on a control train label; and performing driving control based on the safety envelope position information after the control train receives the first target short message information. The application realizes train interval control by adopting a Beidou short message communication mode, can ensure communication between all trains and a control center on a railway with a simplified along-line wireless communication coverage range, can reduce the cost of laying a wireless communication network, and can ensure safe operation of the trains.
Owner:CHINA RAILWAY ENG CONSULTING GRP CO LTD

Data communication method and device, gateway equipment, storage medium and computer program product

The embodiment of the invention provides a data communication method and device, gateway equipment, a storage medium and a computer program product, and relates to the technical field of network communication. The method comprises the following steps: gateway equipment can monitor current service flow message data of current sub-equipment; obtaining the service flow message length of the current service flow message data; determining a communication configuration strategy of the current service flow message data according to the service flow message length; and performing service communication on the current service flow message data according to the communication configuration strategy. According to the method, the flexibility, compatibility, comprehensiveness and safety of data communication are improved.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Beidou online emergency call-for-help system and call-for-help method

PendingCN119485243AIncrease the chance of being rescuedImprove experienceNetwork topologiesRadio transmissionControl systemServer
The invention discloses a Beidou online emergency distress call system and distress call method, and relates to the technical field of emergency distress call, the Beidou online emergency distress call system comprises a Beidou server, safety helmet equipment of a Beidou communication module and an emergency command control system, the Beidou server comprises a neighbor reference table creation module used for creating neighbor reference tables of a plurality of Beidou IDs, the plurality of Beidou IDs are mutually associated, the positioning rescue information comprises Beidou IDs, help information and positioning information, the safety helmet equipment of the Beidou communication module is in communication connection with an external terminal, and the safety helmet equipment of the Beidou communication module is in communication connection with a Beidou server through the communication module. The Beidou server performs information interaction with the emergency command control system; according to the invention, the help seeker can obtain neighbor positioning rescue information in real time and can inquire the positions of nearby teammates, communication mutual assistance among the exploration team members is enhanced, mutual assistance rescue among the exploration team members is realized, and the rescue probability of the to-be-rescued personnel is improved.
Owner:WUHAN LANGMAI TECH CO LTD

Mobile signal shielding method, system and equipment and electronic device

PendingCN119544142Aavoid false interferenceReduce Spectrum InterferencePower managementCommunication jammingInterference (communication)Frequency spectrum
The invention provides a mobile signal shielding method. The mobile signal shielding method comprises the following steps: generating a corresponding pseudo-synchronization signal by acquiring emission information of a real base station, and then converting the pseudo-synchronization signal into a waveform signal; and transmitting an interference signal formed by superposing different waveform signals according to different communication systems so as to interfere with a synchronization signal of a real base station. The invention further provides a system, equipment and an electronic device of the mobile signal shielding method. According to the system and the method provided by the invention, error interference on uplink signals and service signals is avoided through accurate positioning, so that unnecessary spectrum interference is reduced, and normal communication is ensured. According to the method, high efficiency and high precision of interference are achieved, the system can suppress real synchronous signals, the interference effect is maximized, and it is ensured that the system still has excellent interference performance in a complex multi-path propagation environment. The interference-free frequency point and the interference-free signal are not interfered, the power consumption is saved by 80%, the ideal interference effect of 100% is achieved with the emission energy of 5%, and the low-power-consumption and high-efficiency interference is realized. And meanwhile, the limitation of multipath interference is exceeded, and an echo-like cancellation algorithm is introduced, so that a pseudo-synchronization signal effectively covers and interferes with a synchronization signal of a real base station, and terminal equipment is effectively prevented from staying in a network.
Owner:BEIJING LIMEI TIANXIA TECHNOLOGY SERVICE CO LTD

Monitoring method and apparatus, wake-up signal transmission method and apparatus, terminal, and network-side device

This application discloses a monitoring method and apparatus, a wake-up signal transmission method and apparatus, a terminal, and a network-side device, and pertains to the field of communication technologies. The monitoring method in embodiments of this application includes: obtaining, by a terminal, wake-up signal configuration information; performing, by the terminal, detection for a wake-up signal within a first duration according to the wake-up signal configuration information, where the first duration belongs to a physical downlink control channel PDCCH monitoring time period configured by a network-side device; and determining, by the terminal, a monitoring behavior for a target channel based on the detection of the wake-up signal, where the target channel includes at least one of the following: physical downlink control channel PDCCH; physical downlink shared channel PDSCH; and physical uplink shared channel PUSCH.
Owner:VIVO MOBILE COMM CO LTD

Network switching method and device and storage medium

The invention provides a network switching method and device and a storage medium, relates to the technical field of communication, and can reduce the switching limitation of an operator of an automatic driving vehicle as much as possible so as to guarantee normal communication between a remote control platform and the automatic driving vehicle as much as possible. The method comprises the steps that under the condition that a network currently accessed by a vehicle is abnormal, the priority of at least one first operator is determined, the first operator is an operator to which a network called through an application programming interface (API) belongs, the network of the first operator is not abnormal, and the higher the priority of the first operator is, the higher the priority of the first operator is, the higher the priority of the first operator is. The network quality of the network of the first operator is higher; and calling the network capability of a second operator from a capability opening gateway of the second operator through the API, the second operator being the first operator with the highest priority in the at least one first operator.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Numerically-controlled machine tool bus type temperature acquisition device and use method

The invention belongs to the technical field of temperature acquisition, and particularly relates to a bus type temperature acquisition device for a numerical control machine tool and a use method. Comprising a sensing probe, the sensing probe is electrically connected with a bus of an external display instrument, the sensing probe is provided with fixing seats which are symmetrically distributed and have heat conduction performance, heat conduction rods are fixedly connected to the fixing seats, sleeves are connected to the heat conduction rods in a sealed and sliding mode, and thermosensitive blocks are installed between the sleeves and the adjacent heat conduction rods. And one heat conducting rod is fixedly connected with a rack. The sliding ring drives the sensing probe to move, when the temperature of the numerical control machine tool is too high and the working temperature of the sensing probe continuously exceeds the highest critical value, the sensing probe moves to be separated from the numerical control machine tool, and the situation that core elements in the sensing probe are burnt out due to long-time high-temperature work, and consequently the temperature collected by the sensing probe is abnormal is avoided; and the temperature of the numerical control machine tool is misjudged by an operator.
Owner:TAIZHOU LUOKE ELECTRONICS

A sensitive content fast filtering method and system based on dynamic multi-rule matching

The application discloses a sensitive content quick filtering method and system based on dynamic multi-rule matching, which can acquire a current application scene of to-be-filtered content; acquire filtering rule application condition information, the filtering rule application condition information including a preset application scene and a preset filtering rule corresponding to the preset application scene; determine the preset filtering rule corresponding to the current application scene as a current application rule based on the current application scene and the filtering condition application rule; and process the to-be-filtered content based on the current application rule to obtain a content processing result. The application can select different filtering rules according to different scenes, can filter sensitive content as much as possible, can reduce the probability of the occurrence of the filtering of normal content, can guarantee normal communication of users and can improve user experience.
Owner:BEIJING INFORMATION TECH BOTE INTELLIGENT TECH CO LTD

In-seam diverting agent for deep coal bed gas fracturing transformation

The invention discloses an in-seam diverting agent for deep coal bed gas fracturing transformation. The in-seam diverting agent is selected from one or a mixture of more of polycaprolactone type polyurethane, polylactic acid, polyglycolic acid, poly (butylene succinate), thermoplastic starch, poly (terephthalic acid)-adipic acid-butylene glycol copolyester and a polyethylene-vinyl acetate copolymer. Through reasonable proportioning and shape design, the diverting agent can realize crack plugging and diversion optimization in a deep coal seam environment. The method can effectively improve the complexity of the fracture network, increases the contact area of the fractures and the coal seam matrix, and improves the recovery rate of the coal seam gas. Particularly, a normal-temperature series (20-40 DEG C) and a high-temperature series (40-60 DEG C) are designed according to different geological conditions and can be completely degraded into harmless substances within 2-36 hours and 1-24 hours respectively, and secondary pollution is avoided. In addition, the diverting agent can realize multi-stage cluster fracturing transformation without a special downhole tool, so that the construction complexity and the development cost are remarkably reduced.
Owner:CNOOC ENERGY TECHNOLOGY & SERVICES LTD