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

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.

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.

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.

The invention discloses a tunnel configuration method, a virtual access node, a virtual edge node and a system. The tunnel between an IP edge node and a virtual AN is established dynamically, and then the tunnel is provided for an SP network device to realize the control of a port division by the SP network device. The problem of low utilization of the tunnel caused by a PBT tunnel static configuration in the prior art is avoided, and as the tunnel can be allocated dynamically, when a fault occurs in the configuration tunnel, the SP can reapply for a tunnel for service, thus ensuring normal communication.

The invention discloses an anti-blocking sewer pipeline which comprises a pipeline. A mounting disc is fixed to the inner wall of the pipeline, a first mounting opening and a second mounting opening are formed in the mounting disc, a fixing pipe is mounted in the first mounting opening, a filter screen is mounted in the second mounting opening, a slide bar is slidably arranged in the fixing pipe,a flange is arranged on the outer wall of the end, which is positioned in the fixing pipe, of the slide bar, a return spring is arranged between the flange and the inner bottom wall of the fixing pipein a fixedly connected manner, the lower end of the slide bar extends out of the fixing pipe, and a mounting plate is fixed onto the inner wall of the pipeline. The anti-blocking sewer pipeline has the advantages that water pressures can be increased after the inside of the pipeline is blocked, the slide bar can be squeezed to downwardly move, a first movable rod and a second movable rod furthercan be driven to move, blocking materials on the filter screen further can be scraped by a scraping plate and can be pushed into a collecting groove to be collected, accordingly, the smoothness of thefilter screen and the pipeline can be recovered, the anti-blocking sewer pipeline is convenient to clean, and normal family life can be guaranteed.

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.

The embodiment of the invention provides a fault correction method and a mobile phone with a fault correction function. The method comprises the following steps: detecting the executing state of an application program in the mobile phone, wherein the executing state comprises normal state and fault state; when the executing state of the detected application program is the fault state, matching out corresponding fault information according to a preset fault information database; and correcting the application program according to the fault information.

The invention provides a video conferencing reminding method, device and a video conferencing system. The method comprises the following steps of obtaining audio information and / or video information of various meeting places in a video conferencing; analyzing the audio information and / or video information for the meeting places, and determining the relative meeting places which influence the meeting order; and reminding the relative meeting places. The embodiment of the invention can be used for monitoring the progress of the video conferencing, obtaining the relative meeting places which influence the meeting order, and reminding the relative meeting places, thus, the normal order of the video conferencing can be effectively ensured.

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.

The application provides a service degradation processing method and apparatus. The method includes: saving core service interface data of an application service in a memory in advance; obtaining thecore service interface data of the application service from the memory when it is detected that service state information of the application service exceeds a preset state threshold; and performing service degradation according to a preset degradation policy of the application service. According to the method and apparatus, normal operation of the core service of the application service can be guaranteed, corresponding service degradation processing can be automatically performed according to the priority of the services, manual operation is avoided, and various errors brought by human factorsare greatly reduced.

The embodiment of the invention discloses a state detecting method, the system and the device thereof; wherein the state detecting method includes alternating redirection-service message between a mobile monitoring terminal and a redirect server; the active states of the redirect server can be determined by the respondence of the redirect server to redirection-service message sent by the mobile terminal. The embodiment of the invention can precisely detect whether the redirect server fails in a short time, can completely ensure the redirection-service of the mobile terminal to be normally conducted, and can greatly reduce the influence on the mobile terminal service during the failure of the redirect server. Compared with the prior heartbeat detection, the embodiment of the invention greatly reduces the additional heartbeat-message frequency and lightens the burdens on the server and the network.

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.

The invention discloses a dry method for making biomass gas, comprising the following steps of preparing material, loading material, making gas, removing dust, exchanging heat, separating gas, oil and water, decoking with an electric tar precipitator and refining gas. The method has the following advantages that: firstly, a machine set of the invention has no sewage; secondly, the whole machine set cannot cause production stop phenomenon because of pipeline blockage during operation, which can greatly reduce the labor intensity of operators; thirdly, high-quality gas can be produced, which has the tar content not more than 10mg / Nm<3> (the national standard is that the tar content of biomass gas is not more than 50mg / Nm<3>); fourthly, the novel (dry method) biomass gas making machine set can be used in matching with a novel structure gas making furnace (with the gas production rate between 500 and 3000 Nm<3> per hour); and fifthly, centralized gas supply can be expanded into a wider range.

The invention discloses a TDD system random access method comprising establishing a random access leader sequence with N OFDM symbol lengths at a user equipment UE side, copying a signal denoting that a rear end length of the leader sequence is T to a front end of the leader sequence as a cyclic prefix CP; transmitting the CP together with the leader sequence to a base station Node B in a uplink pilot time slot UpPTS by the UE, to request random access. According to the invention, UE side is used for adding the CP to the leader sequence in UpPTS, which will not bring flat noise, and ensures accuracy of correlation detection of a Node B frequency domain, and ensures normal operation of random access. Corresponding to said method, the invention further provides a TDD system random access device.

The invention discloses a terminating-access domain determining method and server. The method comprises that a triggered application server (AS) requests the acquisition of terminating-access domain selection (T-ADS) information of a user and an IP multimedia subsystem (IMS) register state from a home subscriber server (HSS), and transmits an IP multimedia public identity (IMPU) to the HSS; the AS receives a request result returned by the HSS, the request result includes a query result, the T-ADS information and the IMS register state, and the T-ADS information and the IMS register state are information acquired through a query by the HSS according to the IMPU; and the AS determines an access domain according to the request result.

The invention belongs to the field of automatic control of the loops of strip-steel hot-rolling rolling lines and particularly relates to a method for controlling the speed of a hot-rolling thin-gauge loop compensation host machine through variable coefficient. The method comprises the following steps: when a computer detects that a strip-steel bite loop of the rear machine frame of two adjacent machine frames in a finishing mill group rises, the execution of the self-adaptive variable coefficient control over the speed of the loop compensation host machine is delayed for 1 to 2 seconds; a compensation value is calculated according to a formula. The method has the benefits as follows: the normal action of the loop is ensured; the problems of drifting, scrap steels and poor product quality, caused by the false looping of the strip-steel loop are avoided; the stable control over the moment of the thin-gauge strip-steel loop and the like is realized; the stable control over strip steels between machine frames is ensured; the downtime is reduced; the surface qualification rates of products are improved.

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.

The invention relates to a health preserving coarse cereal having a health-care function. The health preserving coarse cereal is prepared from wheat, barley, peas, mung bean, oat, buckwheat, black glutinous rice, red bean, Chinese yam, corn, seeds of Job's tears, black soya bean, chrysanthemum, carrot, root of spinach, white gourd and pumpkin by weight, has the effects of softening blood vessels, stabilizing blood sugar, lowering down serum cholesterol, preventing outbreak of cancers, hypertension and coronary heart disease, increasing the concentration of histamine, enabling peripheral blood vessels to expand, reducing blood pressure, enabling internal secretion to maintain normal and delaying aging, and is extremely easy to popularize.

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.

The invention relates to a system for realizing software upgrading control for multiple electronic control units of an automobile. The system comprises automobile domain controllers and automobile ECUcontrollers. A single automobile domain controller is connected with the multiple automobile ECU controllers in a star connection mode to form a local CAN network, the automobile domain controller isconnected with one or more different automobile ECU controllers, and the multiple automobile domain controllers are connected in a point-to-point mode. The invention further relates to a software upgrading control method for the multiple electronic control units of the automobile. By the adoption of the system and method for realizing software upgrading control for the multiple electronic controlunits of the automobile, it can be effectively guaranteed that a data path is normal, data exchange can be effectively conducted, CAN bus data loads can be effectively reduced, and connection of multiple ECU controllers can be supported. The method has multiple upgrading modes, has good expansibility and application scene adaptability, and greatly improves the upgrading efficiency.

The invention discloses a database processing method and a database processing device. The database processing method comprises the following steps: a proxy client receives a processing request sent by a business application, wherein the processing request is used to request processing data in a database; the proxy client determines a data server side for executing the processing request, wherein the business application accesses to the database through the proxy client and the data server side; the proxy client sends the processing request to the determined data server side; the determined data service terminal processes data in the database according to the processing request; the determined data service terminal sends a processing result to the proxy client; and the proxy client sends the received processing result to the business application. According to the database processing method disclosed by the invention, the problem of business service interruption caused by database access logic abnormity in the related art is solved, and therefore the effect of ensuring the normal performance of the business service is achieved.

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.

The invention relates to a method for processing the bandwidth of a passive optical network, which comprises the following steps: when a superposed uplink wave range is adopted in different concomitant access systems, distributing DBA reported information according to the dynamic bandwidth of each optical network unit ONU in the systems, unifying and coordinating uplink time slot distribution of the different systems, and distributing different uplink time slots to the different systems. The embodiment of the invention also discloses a passive optical network system and a bandwidth processor. The proposal disclosed by the embodiment of the invention does not need to replace the prior PON MAC logic board by a method for coordinating the time slot distribution related information of the prior PON and the prior NGA so that equipment for the prior network is used sufficiently, and the network upgrading cost is reduced.

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.

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.

The invention provides a data encryption method and system. The method comprises the following steps: a server receives a data packet sent by a terminal and obtains the data type information in the data packet; the server determines a corresponding encryption algorithm and uses the encryption algorithm to encrypt the data packet according to the obtained data types, algorithm security levels and an algorithm name table; the server counts the illegal cracking ratios of data packets corresponding to all data types within a preset period and redefines a target encryption algorithm for all data types according to the data types, the range of cracking ratio and an algorithm adjustment strategy table. The data encryption method and system provided by the invention realize the technical scheme that the algorithm is adjusted according to the algorithm cracking ratio, and further ensures the data communication security.

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.

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.

The method comprises: setting PCS or 3G network as an optimal network; the integrated intelligent HLR allocates same user number for both PCS and 3G; a correlated relation is built between the user messages in two networks by setting a type value of inter-network free roaming user. The user with a PCS and 3G dual-mode phone and a same number can simultaneously log on PCS network and 3G networks in order to use the optimal network to communication with other users; when the optimal network is unavailable, in the response of call route and message route, the location information is returned via another network to ensure the communication traffic.

A polishing apparatus (1) has a polishing pad (22), a top ring (20) for holding a semiconductor wafer (W), a vertical movement mechanism (24) operable to move the top ring (20) in a vertical direction, a distance measuring sensor (46) operable to detect a position of the top ring (20) when a lower surface of the top ring (20) is brought into contact with the polishing pad (22), and a controller (47) operable to calculate an optimal position of the top ring (20) to polish the semiconductor wafer (W) based on the position detected by the distance measuring sensor (46). The vertical movement mechanism (24) includes a ball screw mechanism (30, 32, 38, 42) operable to move the top ring (20) to the optimal position.