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1020results about How to "Guaranteed to be normal" patented technology

Internet of things networking system and method based on edge computing

The invention discloses an Internet of things networking system and method based on edge computing. The method comprises the following steps that: terminal equipment transmits scene data to intelligent gateway equipment, wherein the scene data include numerical data collected by a sensor as well as streaming media data collected by a pickup and the camera; the intelligent gateway equipment performs service processing on the received scene data, and is responsible for uplink and downlink data transmission; and a data aggregation platform receives periodically reported data from the intelligentgateway equipment and stores the received data in a database for an intelligent algorithm platform to train and optimize an algorithm file, wherein the algorithm file is used for updating an intelligent decision module of the intelligent gateway equipment to optimize service scenes. The scheme realizes the edge computing of the service scenes through the intelligent gateway equipment, thereby effectively improving the processing efficiency and real-time performance. In conjunction with the updating of a service algorithm module of an intelligent gateway, flexible adaptation to the service demands and environmental changes of different scenes can be realized, and the flexibility of the intelligent gateway is improved. When a center or network fails, normal operation of terminal scene services can be ensured, thereby achieving relatively high practical and popularization value.
Owner:王顺志

Multi-vehicle mounted station cooperation cell switching method for train-ground communication under high-speed moving environment

The invention discloses a multi-vehicle mounted station cooperation cell switching method for train-ground communication under a high-speed moving environment. The first scheme comprises the following steps of: arranging a vehicle mounted station at the front end and the rear end of a train, wherein the two vehicle mounted stations are mutual communication backups; applying a communication resource for the vehicle mounted station at the rear end while switching the vehicle mounted station at the front end; directly switching to the communication resource applied by the vehicle mounted station at the front end while switching the vehicle mounted station at the rear end; or switching the vehicle mounted station at the rear end by directly using available information acquired by the vehicle mounted station at the front end. The second scheme comprises the following steps of: switching with only the vehicle mounted station at the front end and performing data communication with only the vehicle mounted station at the rear end; applying the communication resource for the vehicle mounted station at the rear end and recording the switching position while switching the vehicle mounted station at the front end; and directly switching to the communication resource applied by the vehicle mounted station at the front end while the vehicle mounted station at the rear end reaches the switching position. The method has the advantages of short switching time, uninterrupted communication during the cell switching and capability of meeting the requirements of the train-ground communication under the high-speed moving environment.
Owner:SOUTHWEST JIAOTONG UNIV

Cable pre-buried pipeline tour-inspecting and obstacle removing robot

The invention discloses a cable pre-buried pipeline tour-inspecting and obstacle removing robot. The cable pre-buried pipeline tour-inspecting and obstacle removing robot comprises a cable pre-buriedpipeline walking device, a pan and tilt head, a clamping manipulator and a central processing unit; the cable pre-buried pipeline walking device comprises a walking driving motor and a plurality of walking wheel assemblies uniformly arranged in the circumferential direction of a main shaft, the walking wheel assemblies comprise wheel legs and supporting arms, the two ends of the supporting arms are hinged to the wheel legs and hinged to the main shaft correspondingly, and the driving motor drives the wheel legs; a variable-diameter mechanism comprises a variable-diameter driving motor, variable-diameter connecting rods and lead screw transmission mechanisms, the two ends of the variable-diameter connecting rods are hinged to sliding blocks and the supporting arms correspondingly, the variable-diameter driving motor pushes the inclination of the supporting arms to be changed through the lead screw transmission mechanisms and the variable-diameter connecting rods so as to achieve the extension state, clamping blocks and a clamping block driving motor are involved; and the central processing unit controls the walking driving motor, the variable-diameter driving motor and the clampingblock driving motor, so that the robot walks to a pipeline obstacle, and the clamping manipulator clamps the obstacle so as to clear the obstacle in a pipeline.
Owner:STATE GRID CORP OF CHINA +2

Multi-rotor unmanned aerial vehicle and telemetry and telecontrol method

ActiveCN105070005AGuaranteed to be normalWith GPS/Beidou dual redundant positioning functionTransmission systemsSatellite radio beaconingFlight vehicleMobile end
The invention provides a multi-rotor unmanned aerial vehicle and a telemetry and telecontrol method to overcome the defects of multi-rotor unmanned aerial vehicles in aspects of positioning and obstacle avoidance at present. The multi-rotor unmanned aerial vehicle comprises a mobile terminal and a terminal, wherein the mobile terminal comprises a mobile terminal central processing unit, a mobile terminal positioning module, a mobile terminal data transmission module, a mobile terminal memory module, a PTZ (pan-tilt-zoom) control module, a flight control module and a radar ranging module; the terminal comprises a terminal central processing unit, a terminal data transmission module, a terminal data forwarding module and a terminal memory. The telemetry and telecontrol method comprises four steps. The multi-rotor unmanned aerial vehicle and the telemetry and telecontrol method have the benefits as follows: the radar ranging module is added to detect distances between the unmanned aerial vehicle and obstacles in real time, so that the unmanned aerial vehicle is effectively prevented from having accidents when encountering the obstacles. A historical positioning information reading method is adopted, and the aerial vehicle can return to starting positions according to historical routes in case of positioning information abnormities.
Owner:合肥佳讯科技有限公司

Rotary plate positioning device, loading transmission system and plasma processing equipment

A rotary table positioning device, a load transmission system and a plasma processing device. The rotary table positioning device comprises a rotary table (50), an in-position detection unit and an original-point detection unit. The in-position detection unit comprises a first identification module and a first detection module. The first identification module is used for identifying the position of a work station on the rotary table, and the first detection module is used for judging whether the work station reaches a pre-set position by detecting the first identification module. The original-point detection unit comprises a second identification module and a second detection module. The second identification module is used for identifying an original-point position, and the second detection module is used for judging whether the work station reaches the original-point position by detecting the second detection module. The provided rotary table positioning device, load transmission system and plasma processing device can learn whether an abnormal position appears in the work station of a rotary table, which can not only guarantee a normal working process, but can also avoid the occurrence of mechanical failures, so that the security and stability of plasma processing can be improved.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Serial communication protocol for controller

The invention discloses a serial communication protocol for a controller. The serial communication protocol comprises the following steps of: 1, for a master machine, preparing application layer data through the master machine, transmitting data to a slave machine, waiting an acknowledgement signal of the slave machine, retransmitting the data if the received signal comes from an unexpected slave machine, retransmitting the data if the inter-frame overtime or intra-frame overtime is generated, retransmitting the data if the acknowledgement signal is NAK, and finishing the operation if the acknowledgement signal is ACK; and 2, for the slave machine, receiving the data transmitted by the master machine, not responding and receiving the data again if the slave machine is busy, not responding and receiving the data again if the received data are nonnative identification (ID) data, receiving the data again if intra-frame overtime is generated, transmitting the NAK acknowledgement signal to the master machine if the data verification is wrong, and processing the application layer data and transmitting the ACK if the verification is successful. The serial communication protocol for the controller aims to overcome defects in the prior art, is stable in communication and can simplify task load of a microprocessor.
Owner:TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECH CO LTD

Car air conditioning system electronic expansion valve control method

The invention discloses a car air conditioning system electronic expansion valve control method. In a primary stage of start of a compressor, the electronic expansion valve is controlled to reach a constant valve opening corresponding to the rotating speed of the compressor according to timely collected signals of compressor rotating speed to enter a normal operation and control stage by the constant valve opening corresponding to the rotating speed of the compressor and ensure that the valve opening of the electronic expansion valve is transmitted into a control mode of the degree of superheat conveniently. The valve opening of the electronic expansion valve is not influenced by the degree of superheat of the car air conditioning system in the primary stage of start of the compressor. Compared with the prior art, in the primary stage of start of the compressor, the valve opening of the electronic expansion valve is kept at the constant valve opening by the electronic expansion valve control method through the rotating speed of the compressor, the constant valve opening ensures that the valve opening of the electronic expansion valve can be in a relatively stable state and the expansion valve of the primary stage is under a stable operation condition, and therefore influence on the expansion valve resulting from great disturbance is effectively avoided, and normal and high-efficient operation of the system is ensured.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS

Vehicle-mounted charging device for electric vehicles

The invention discloses a vehicle-mounted charging device for electric vehicles, which comprises a voltage detection unit, a power supply management unit and a switching power supply which are interconnected in sequence, a microcontroller which is respectively connected with the voltage detection unit, the power supply management unit and the switching power supply, and a CAN bus system connected with the microcontroller; the power supply management unit is connected with the CAN bus system, the switching power supply and the CAN bus system are respectively connected with batteries, to be charged, of the electric vehicle, wherein the voltage detection unit comprises a digital converter, a voltage comparator and a sampling circuit; the power supply management unit comprises a power supply converter; the switching power supply comprises a numerical control-regulated drive circuit; and the CAN bus system comprises a CAN bus transceiver circuit and an analog-digital conversion chip with a CAN interface. Being capable of replacing fixed charging stations, the device according to the invention can realize site charging according to the voltage situation at vehicle locations, representing the convenience; and the variable power charging technique adopted can achieve the charging with different powers for the battery of vehicle.
Owner:西安迅湃快速充电技术有限公司

Adjustable medical infusion support

The invention relates to the technical field of medical instruments, in particular to an adjustable medical infusion support. The adjustable medical infusion support comprises a base, wherein the middle of the upper end of the base is connected with a sleeve; the bottom of a cavity of the sleeve is fixedly connected with a spring; the upper end of the spring is connected with a moving rod; the topend of the moving rod is connected with a cross rod; fixing devices are separately arranged at two ends of the cross rod; the upper portion of the outer side of the moving rod is in sleeve connectionwith a connecting rod; the connecting rod is positioned below the cross rod; and through holes are separately formed in two sides of the connecting rod. The adjustable medical infusion support is provided with a fixing device for clamping an infusion bottle, the fixing device consists of two openable clamping plates, the relative distance between the two clamping plates can be adjusted to adapt to infusion bottles with different volumes, it can be ensured that the infusion bottles cannot shake in an infusion process, in addition, the height of the infusion support can further be adjusted as needed, and the adaptation is high. The adjustable medical infusion support is simple in structure, low in cost and worthy of being popularized.
Owner:成都名典匠心工业产品设计有限公司

Flash memory data management method and device and computer readable storage medium

The invention discloses a flash memory data management method and device and a computer readable storage medium, and relates to the technical field of data storage management. The flash memory data management method and device and the computer readable storage medium aims at solving the technical problem of an existing wireless communication device that the module stability and reliability are influenced since flash memory data is abnormal. The flash memory data management method comprises the following steps of setting a root file system of a wireless communication module as a read-only file system and mounting a laminated file system to a memory; setting the root file system as the laminated file system and mounting a configuration catalogue of the root file system into a readable and writable file system partition of a flash memory in the wireless communication module. According to the flash memory data management method and device and the computer readable storage medium, the laminated file system and a recovery mechanism of the file system are adopted to improve the stability and reliability of the wireless communication module, and after-sales maintenance work of a product of the type of the wireless communication module is also reduced.
Owner:高新兴物联科技股份有限公司

Pre-boring pressure meter, self-boring pressure meter and self-boring pressure metering equipment

ActiveCN102926369ASteady change in degree of expansionAvoid crackingIn situ soil foundationPore water pressureFuel tank
The invention provides a pre-boring pressure meter, a self-boring pressure meter and a self-boring pressure metering equipment. The pre-boring pressure meter comprises a test device, a control device and an oil conveying tube, wherein the test device comprises a main body barrel, an elastic film, a pressure sensor and a displacement sensor; and the control device comprises an oil tank, an oil pump, a strain controller and a data analyzer. The self-boring pressure meter comprises a test device, a control device and an oil conveying tube, wherein the test device comprises an outer layer sleeve, an inner layer sleeve, a drill bit, an elastic film, a pressure sensor, a displacement sensor, a porous stone and a pore water pressure sensor; and the control device comprises an oil tank, an oil pump, a strain controller and a data analyzer. The self-boring pressure metering equipment comprises a self-boring pressure meter, a boring device, a water circulating device and a power device. According to the invention, the elastic film is controlled to stably expand, so that fracture phenomena due to uneven expansion of the elastic film can be avoided, and test data can be ensured to be continuous and accurate; and moreover, hydraulic oil is used as an inflating medium to protect an inner circuit structure from corroding.
Owner:刘潋

Wireless charging receiving device, wireless charging method and system, and terminal device

The application provides a wireless charging receiving device, a wireless charging method and system, and a terminal device, and relates to the technical field of terminals for reducing energy loss ofa transmitting coil and a receiving coil. The device comprises: a control unit, a receiving coil, a rectifying and filtering unit, a first voltage converting unit and a battery cell module; wherein the control unit is configured to transmit a first control signal to a wireless charging transmitting device and output a second control signal to the first voltage converting unit when the type of thewireless charging transmitting device belongs to a first preset type set and the output voltage of the battery cell module is within a preset range; the receiving coil is configured to sense a firstelectromagnetic wave to generate the first alternating current; the rectifying and filtering unit is configured to convert the first alternating current into the first direct current; the first voltage converting unit is configured to convert the first direct current into second direct current under the control of the second control signal; and the battery cell module is configured to be charged by the second direct current. The wireless charging receiving device is used for wireless charging.
Owner:VIVO MOBILE COMM CO LTD

Method and system for determining switchable route in process of sending message

The invention provides a method and a system for determining a switchable route in a process of sending a message, which are used for guaranteeing that a network element can select the correct switchable route to ensure that a service can be normally performed when part of the route has a phenomenon of packet loss in SCTP single-address multi-routing networking. The determining method comprises the following steps that: a first network element transmits a measured message to a second network element through each first route of a plurality of next hop routers of which the current administrative distance is shortest respectively, and determines the packet loss rate of each first route according to a response message fed back by the second network element; and the first network element determines the switchable route of a transmitted message according to the difference of the packet loss rate between preferable first route and non-preferable first route, and according to the magnitude relationship of a switching threshold. The technical scheme provided by the invention designs a targeted indirect measurement method for the network packet loss rate according to the transmitting characteristic of the message in the SCTP single-address multi-routing networking; and when part of the route has the phenomenon of packet loss, the network element can select the correct switchable route to ensure that the service can be normally performed.
Owner:ZTE CORP
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