Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
35results about How to "Meet the need for speed" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Privacy-protection index generation method for mass image retrieval
ActiveCN104008174AImprove performanceReduce the numberCharacter and pattern recognitionProgram/content distribution protectionFeature DimensionScale-invariant feature transform
The invention discloses a privacy-protection index generation method for mass image retrieval, relates to the privacy protection problem in mass image retrieval and involves with taking privacy protection into image retrieval. The method is used for establishing an image index with privacy protection, and therefore, the safety of the privacy information of a user can be protected while the retrieval performance is guaranteed. The method comprises the steps of firstly, extracting and optimizing SIFT (Scale Invariant Feature Transform) and HSV (Hue, Saturation and Value) color histogram, performing feature dimension reduction by use of a use of a manifold dimension reduction method of locality preserving projections, and constructing a vocabulary tree by using the dimension-reduced feature data. The vocabulary tree is used for constructing an inverted index structure; the method is capable of reducing the number of features, increasing the speed of plaintext domain image retrieval and also optimizing the performance of image retrieval. The method is characterized in that privacy protection is added on the basis of a plaintext domain retrieval framework and the inverted index is double encrypted by use of binary random codes and random projections, and therefore, the image index with privacy protection is realized.
Owner:数安信(北京)科技有限公司
Non-contact frequency domain electrical method real-time advanced detection system and method for shield carrying
ActiveCN105891890AImproving the Efficiency of Advanced Geological ExplorationAvoiding Coupling DifficultiesElectric/magnetic detection for well-loggingNon-electrical signal transmission systemsCapacitanceCapacitive coupling
Owner:SHANDONG UNIV
Language identification method and language identification device
ActiveCN108335693AImprove recognition accuracyHigh speedSpeech recognitionFeature extractionData set
An embodiment of the invention discloses a language identification method and a language identification device. The method includes performing characteristic extraction on target audio and video dataused for offline training so as to acquire characteristic data corresponding to the target audio and video data, and performing iteration training on the characteristic data in sequence according to ahierarchical N layer LSTM network included by a training network so as to acquire a target training model used for language identification. The method provided by the invention can be applied to a big data set. In a process of using the target training module provided by the invention for language identification, the identification accuracy is high, the identification speed is high and current requirements for language identification can be met.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Smart classroom teaching system based on Internet of Things
InactiveCN107644560ASupport application interfaceSupport voiceTransmissionElectrical appliancesThe InternetBroadband
A smart classroom teaching system based on the Internet of Things includes a classroom subsystem, a teaching cloud platform, a remote management platform and the Internet of Things, wherein the classroom subsystem performs information interaction with the teaching cloud platform through the Internet of Things, downloads and stores courseware, realizes playing of the courseware and teaching interaction between a teacher and students, and accepts unified management of the remote management platform; the teaching cloud platform is used for supporting work of the classroom subsystem, and performsmaintenance and data distribution on the classroom subsystem; and the remote management platform manages the classroom subsystem through the Internet of Things. According to the smart classroom teaching system based on the Internet of Things, a teacher terminal and student terminals are connected to network data through the 4G Internet of Things connected with a classroom base station, thereby realizing sending, receiving and updating of teaching data, and even colleges having no broadband access can also use the smart classroom teaching system.
Owner:BEIJING DIANSHI JINGWEI TECH
Bare weight two-stage friction-type lower side bearing
ActiveCN101830235AIncrease contactFit closelyBogiesBogie-underframe connectionsFrictional coefficientTruck
The invention relates to a bare weight two-stage friction-type lower side bearing which comprises an inner seat of the side bearing and an outer sleeve of the side bearing which are sleeved and matched with each other, wherein a pressing block of the inner seat of the side bearing is arranged at the upper part of the inner seat of the side bearing; a heavy-load friction plate is arranged at the top part of the pressing block of the inner seat of the side bearing; a pressing plate of the outer sleeve of the side bearing is arranged at the upper part of the outer sleeve of the side bearing; a non-load friction plate is arranged at the top part of the pressing plate of the outer sleeve of the side bearing; the friction factor muk of the non-load friction plate is greater than the friction factor muz of the heavy-load friction plate; an elastic element for controlling the vertical position relation between the inner seat of the side bearing and the outer sleeve of the side bearing is arranged between the inner seat of the side bearing and the outer sleeve of the side bearing; and the mechanical property of the elastic element enables the non-load friction plate and the heavy-load friction plate to meet the following position relation: in an empty car state, the horizontal position of the non-load friction plate is higher than the that of the heavy-load friction plate, and in a heavy car state, the horizontal position of the non-load friction plate is flush with that of the heavy-load friction plate. A railway freight car bogie assembled with the lower side bearing has higher critical speed in the no-load state and better curve negotiation capacity in the heavy-load state.
Owner:CRRC YANGTZE CO LTD
Mini-cultivator speed-change mechanism
InactiveCN102763502ASimple structureMeet the need for speedAgricultural machinesToothed gearingsDrive shaftEngineering
The invention relates to an agricultural mini-cultivator used for farming paddy fields and dry fields, in particular to a mini-cultivator speed-change mechanism. The mini-cultivator speed-change mechanism comprises a driving shaft, a driven shaft, a reverse gear shaft, a shift fork shaft and an output shaft, wherein the driving shaft is provided with a belt driven wheel and a driving triple gear capable of moving along the axial direction of the driving shaft, the driven shaft is provided with a clutch gear capable of moving along the axial direction of the driven shaft, a driven triple gear rotationally matched with the driven shaft and a driven shaft output gear fixed on the driven shaft; the reverse gear shaft is provided with a reverse gear; the shift fork shaft is provided with a shifting fork; the output shaft is provided with a driving gear engaged with the driven shaft output gear; the driving shift fork shaft is provided with a sliding chute matched with the shifting fork; the driving shift fork shaft is engaged with the driven shift fork shaft in a one-to-one correspondence way under the action of the shifting fork; and the side of the driven shaft shift fork shaft is provided with a slot capable of being connected with the clutch gear into a whole in a blocking way. The speed-change mechanism has the following characteristics of multiple gears, simple structure and high reliability.
Owner:江伟
Construction violation behavior detection model construction method and application thereof
ActiveCN111832443ARich diversityMeet cost requirementsCharacter and pattern recognitionNeural learning methodsPattern recognitionAlgorithm
The invention relates to the field of violation behavior detection, and specifically discloses a construction violation behavior detection model construction method and application thereof. The methodcomprises the steps: carrying out the similarity pairing of images in an original image sample set, carrying out the foreground exchange of each group of image pairs, carrying out the style renderingof all exchanged images, and obtaining an extended image sample set; training a single-stage target detection network based on an original image sample set and an extended image sample set, adjustingand optimizing network parameters according to the text information of the images and prediction results of the category prediction branches and the position prediction branches in the detection network during training, and finally detecting violation behaviors based on the constructed violation behavior detection model. According to the method, pairing similarity enhancement is carried out on original samples, and the scale of training samples and the model training precision are greatly improved; in addition, context information is considered during training, regularization is carried out by adding the context information to the network, and the accuracy of target detection is greatly improved.
Owner:HUAZHONG UNIV OF SCI & TECH
Robot and control method
PendingCN108555935AGuaranteed negative pressureCause an accidentProgramme-controlled manipulatorGear wheelSolenoid valve
The invention discloses a robot and a control method. The robot comprises a body, a moving mechanism, an emergency stop mechanism and a body adjusting mechanism, the moving mechanism drives the body to move, the emergency stop mechanism comprises a connecting frame, a sliding rod, a sucker seat, a compression spring, a sucker, a cylindrical cam, a pulley shaft, a pulley, a driven stop gear, a driving stop gear, a stop motor and a solenoid valve, and the body adjusting mechanism comprises a fixed frame, a fixed column, a pitching motor seat, a pitching motor, a primary framework, a secondary framework, a rack, a telescopic motor and a rack driving gear. The emergency stop mechanism can achieve the emergency stop function of the robot under emergency circumstances such as pedestrians, animals and carts in the rapid movement process of the robot, and safety accidents caused by knock into the pedestrians and the like are prevented. The emergency stop mechanism can further prevent the robotfrom turnover due to over-high gravity center and dynamic change in the cargo handling process.
Owner:SOUTHEAST UNIV
Non-interrupted linear-speed packet transmitting and receiving methods and equipment based on LINUX
ActiveCN107066340AAdapt to processing speedAvoid calling frequentlyInterprogram communicationData switching networksWire speedNetwork packet
The invention discloses non-interrupted linear-speed packet transmitting and receiving methods and equipment based on LINUX, and belongs to the technical field of data packet transmitting and receiving in LINUX systems. The packet receiving method comprises the steps that an application program carries a serial number of at least one free buffer block to trigger an inner core module and a network card to perform data packet exchange; the inner core module exchanges the serial numbers of the free buffer blocks with a serial number of at least one stored data packet buffer block received in the network card, and configures physical addresses of the free buffer blocks to the network card; and the application program processes data according to the serial numbers returned by the inner core module. Therefore, the network card stores data packets into the buffer blocks which can be accessed by the application program during packet receiving; the data packets are transmitted by the physical addresses of the data packet buffer blocks filled by the application program during packet transmitting; data copy is not required during packet transmitting and receiving courses; and the transmitting and receiving performance of the data packets is improved. In addition, non-interrupted circulating active packet transmitting and receiving are adopted, so that calling of a CPU (Central Processing Unit) resource during packet transmitting and receiving interruption is avoided, and the packet transmitting and receiving performance is further improved.
Owner:EVERSEC BEIJING TECH
Drive axle assembly of variable-speed electric vehicle
PendingCN108591399ASolve the following technical problemsLower performance requirementsGearingGearing detailsGear wheelElectric vehicle
The invention discloses a drive axle assembly of a variable-speed electric vehicle. The drive axle assembly comprises a transmission, a differential mechanism assembly and a clutch, wherein the transmission comprises a first shaft, a second shaft and a middle shaft, wherein the axis of the first shaft and the axis of the second shaft are located on the same straight line, the second shaft is inserted into the first shaft, the middle shaft is located below the first shaft and the second shaft, and a large gear of a reduction gear set on the middle shaft is connected with a primary reduction main gear of the second shaft; a second-stage speed reducing driven gear on the differential mechanism assembly is connected with a small gear of the speed reducing gear set on the middle shaft, and thefirst shaft is connected in an clutch internal gear of the clutch. According to the assembly, the structure is adopted by the drive axle assembly of the variable-speed electric vehicle, so that the using performance of the electric vehicle is effectively improved, so that the structure of the driving axle is compact, the driving axle can adapt to multiple road conditions, and the endurance mileageof the whole vehicle is increased.
Owner:保定市信达车桥配件制造有限公司
A method and a system for realizing data caching of equipment in an offline state
PendingCN109815164AAvoid lossData transmission securityMemory systemsTelecommunications linkCommunication link
The invention discloses a method and a system for realizing data caching in an offline state of equipment. The method comprises the following steps: monitoring a connection state of a communication link between the equipment and a background; when the connection state of the communication link between the device and the background is an abnormal connection state, caching data to be transmitted inthe device to a local first-level cache space for storage according to a preset two-level storage mode; And transferring the data stored in the first-level cache space to a local second-level storagespace according to a preset data transferring rule, and releasing the storage space occupied by the transferred data in the first cache space. In the two-stage storage mode, the first-stage cache space is a high-speed cache; The device has the advantages of being high in storage speed and small in storage capacity, the second-level storage space adopts a data base storage mode for low-speed storage, the second-level storage space has the advantages of being large in storage capacity and low in storage speed, data loss can be effectively prevented, and equipment and background communication data transmission is safer and more reliable.
Owner:AEROSPACE INFORMATION
SQL injection recognition method based on machine learning and adapting to scenes automacitally
InactiveCN109324985AReduce dependenceReduce the difficulty of deploymentUnauthorized memory use protectionMultiple digital computer combinationsPattern recognitionTraffic characteristic
The invention relates to the technical field of digital information transmission, particularly relates to a SQL injection recognition method based on machine learning and adapting to scenes automacitally, which comprises a machine learning process and a machine protection process. The machine learning process comprises deploying a firewall, separating SQL sentences in traffic, learning SQL characteristics in a machine learning manner, learning traffic characteristics in the machine learning manner, and recognizing SQL injection. The machine protection process includes deploying firewall, separating SQL sentences from traffic, judging the danger of SQL sentences, judging the danger of traffic characteristics, identifying the SQL injection, and users participating in firewall tuning. The SQLinjection recognition method of the present invention is different from a traditional SQL injection detection model. Under the condition of ignorance of the background situation, the possible SQL injection can be detected only by analyzing the input of the user, and the threat degrees can be graded. Defense can be implemented without writing rules, thereby reducing the rate of false positives.
Owner:ANHUI ZHONGXIN SOFTWARE
Bogie frame and bogie
ActiveCN113247089AHigh strengthReduce weightSteering linkagesUnderstructuresBogieClassical mechanics
The invention relates to the technical field of bogies, in particular to a bogie frame which comprises a mandrel component, an embedded part and a wrapping layer. The mandrel component is of a hollow tubular structure and comprises two side beam core molds arranged in parallel and a cross beam core mold perpendicularly arranged between the two side beam core molds. The embedded parts are embedded in the side beam core molds and the cross beam core molds at intervals; the wrapping layer integrally wraps the outer layers of the side beam core molds and the cross beam core molds; the core mold component is of a split type structure or an integrally-formed structure, and the split type structure comprises a left-right split type structure and an up-down split type structure. When the split type structure is a left-right split type structure, the split type structure further comprises a connecting piece used for connecting the side beam core mold and the cross beam core mold. The embedded part is embedded in the core mold component of the hollow pipe structure, and the wrapping layer is laid after the core mold component is formed, so that the overall strength of the bogie frame is improved, the stress concentration phenomenon is reduced, the overall weight of the bogie frame is reduced, and the requirement for train acceleration is better met.
Owner:NEWTRY COMPOSITE
Stepless speed changing box of large-power tractor
ActiveCN103511598AQuick changeReduce auxiliary work timeGearboxesFluid gearingsControl theoryPower take-off
Disclosed is a stepless speed changing box of a large-power tractor. The stepless speed changing box of the large-power tractor comprises a speed changing box front box body, a middle box body, a rear box body, a first partition plate, a second partition plate, a third partition plate, a hydraulic mechanical double-flow transmission device, a fixed shaft speed changing transmission device, a forward transmission device, a backward transmission device, a four-wheel driving transmission device and a power output device. The speed changing box front box body, the middle box body and the rear box body are sequentially arranged. The speed changing box front box body and the middle box body are connected by using bolts through the first partition plate. The rear box body and the middle box body are connected through bolts. The middle box body and the rear box body are provided with the second partition plate and the third partition plate respectively through bolts. Six component installation cavities are formed inside the speed changing box bodies. The front end of the hydraulic mechanical double-flow transmission device stretches out of the front box body to be connected with an engine of the tractor. The rear end of the fixed shaft speed changing device stretches out of the rear box body to be connected with the input end of a rear axle. The rear end of the power output device stretches out of the rear box body to be connected with the input end of the power output shaft. The front end of the four-wheel driving transmission device stretches out of the rear box body to be connected with a front axle of the tractor.
Owner:FIRST TRACTOR
Linux configuration based routing acceleration system and method of CPE
ActiveCN106341319AReduce the burden onImprove forwarding speedData switching networksGNU/LinuxProtocol stack
The invention provides a Linux configuration based routing acceleration system and method of CPE, and belongs to the field of CPE. When the routing acceleration system is loaded for the first time, existing route information and interface information in a Linux protocol stack are read, the route information is written in an FIB of an adaptation layer, and the interface information is written in an LINK table of the adaptation layer; and information of a core is converted into item information of the FIB, and synchronized into the FIB and / or LINK table of the adaptation layer, the FIB and / or LINK table are / is maintained via a hook processing unit, a learning event unit, an equipment state unit and an update aging unit, and a route is forwarded according to the FIB and / or LINK table. The FIB (Forward Info Base) and the LINK table (output information table) are established and maintained in the adaptation layer, routing data is forwarded via the FIB and the LINK table, the load of the CPE is reduced, and the route forwarding speed is improved.
Owner:FENGHUO COMM SCI & TECH CO LTD
TOA mode-based high-precision rapid positioning method in non-line-of-sight environment
The invention discloses a TOA mode-based high-precision rapid positioning method in a non-line-of-sight environment. The method comprises the steps of obtaining a basic positioning equation between amobile station and each base station according to a distance observation value; selecting a corresponding basic positioning equation between the mobile station and the base station when the distance observation value is minimum as a reference equation, and subtracting the reference equation from basic positioning equations between other mobile stations and the base station to obtain a least squarestandard form; constructing an L1 norm expression form, and converting the L1 norm expression form into an L1 norm expression form with additional equation linear constraints; giving an iterative process of alternating direction method solving to obtain a positioning solution of the mobile station; substituting the positioning solution into the L1 norm expression to obtain an absolute value residual error, and if the median ratio of the maximum absolute value residual error to the absolute value residual error is greater than a preset value, outputting the positioning solution of the mobile station; otherwise, adopting a basic positioning equation between the mobile station corresponding to the next distance observation value and the base station as a reference equation. According to theinvention, the influence of non-line-of-sight errors on the positioning precision can be reduced.
Owner:INST OF GEODESY & GEOPHYSICS CHINESE ACADEMY OF SCI
A Linux-based non-interrupted wire-speed packet receiving and sending method and device
ActiveCN107066340BAdapt to processing speedAvoid calling frequentlyInterprogram communicationData switching networksData packPhysical address
Owner:EVERSEC BEIJING TECH
A privacy-preserving index generation method for massive image retrieval
ActiveCN104008174BImprove performanceReduce the numberCharacter and pattern recognitionProgram/content distribution protectionScale-invariant feature transformFeature Dimension
The invention discloses a privacy-protection index generation method for mass image retrieval, relates to the privacy protection problem in mass image retrieval and involves with taking privacy protection into image retrieval. The method is used for establishing an image index with privacy protection, and therefore, the safety of the privacy information of a user can be protected while the retrieval performance is guaranteed. The method comprises the steps of firstly, extracting and optimizing SIFT (Scale Invariant Feature Transform) and HSV (Hue, Saturation and Value) color histogram, performing feature dimension reduction by use of a use of a manifold dimension reduction method of locality preserving projections, and constructing a vocabulary tree by using the dimension-reduced feature data. The vocabulary tree is used for constructing an inverted index structure; the method is capable of reducing the number of features, increasing the speed of plaintext domain image retrieval and also optimizing the performance of image retrieval. The method is characterized in that privacy protection is added on the basis of a plaintext domain retrieval framework and the inverted index is double encrypted by use of binary random codes and random projections, and therefore, the image index with privacy protection is realized.
Owner:数安信(北京)科技有限公司
Internet forum page clustering method based on website structure and equipment
ActiveCN107402998AImprove accuracyImprove execution efficiencyWebsite content managementSpecial data processing applicationsPeak valueVolumetric Mass Density
The invention relates to an Internet forum page clustering method based on a website structure and equipment. The method relates to the field of data mining, and is provided by aiming at solving the large-scale webpage classification problem. The method comprises the following steps that partial samples are extracted from a website totality; each website is subjected to structure division by utilizing the characteristic of Internet forum website high structuralization; structure vectors are constructed; the distance between the structure vectors is evaluated by using a distance function provided by the invention; next, the structure vectors of the samples are subjected to clustering analysis by a density peak value clustering method; the feature structure of each cluster is extracted; a resolver for describing all sample websites in the clusters is constructed; and the resolver is used for resolving and classifying the rest websites in the totality. Experiments prove that the method has high accuracy and execution efficiency.
Owner:SHANDONG NORMAL UNIV
Topology dynamic identification method for medium-voltage power distribution network
ActiveCN111431756AMeet the need for speedOvercoming the disadvantages of manual configurationData processing applicationsData switching networksTopology informationPower grid
The invention discloses a topology dynamic identification method for a medium-voltage power distribution network. The method comprises the following steps: s1, acquiring upstream voltage, downstream voltage and time data of a power distribution terminal acquisition line; s2, by the power distribution terminal, broadcasting the attribute information of the power distribution terminal to the outsidethrough the network; s3, by the power distribution terminal, acquiring the attribute information of other power distribution terminals in the network through the network; s4, by the power distribution terminal, dynamically generating power grid topology information associated with equipment of the power distribution terminal according to broadcast information published by other power distributionterminals; s5, by the power distribution terminal, comparing the acquired attribute information of the power distribution terminal with the attribute information of the power distribution terminal; and s6, forming a topology network. The problem that topology information changes due to updating of topology information of a medium-voltage power distribution network and needs to be updated again manually is solved, so that a power distribution terminal can report, store and call the topology information of the power distribution network in a self-adaptive mode.
Owner:上海道博电气有限公司
A repulsion mechanism drive power supply
ActiveCN106449312BSimple structureMeet different needsProtective switch operating/release mechanismsLow speedHigh voltage igbt
The invention discloses an expulsive force mechanism drive power supply. The power supply includes a charging unit and a discharging unit. The charging unit includes a solid relay, a voltage regulator, a step up transformer with a tap, a first charging resistor, a second charging resistor, a single-pole double-throw switch, a high voltage charging subunit, a maneuvering charging subunit and a closed-circuit charging subunit. The discharging unit includes a high voltage discharging subunit, a maneuvering discharging subunit, a closed-circuit discharging subunit, a discharging resistor, a first contactor, a second contactor and a third contactor. According to the invention, the power supply, by being provided with one maneuvering charging subunit, is able to flexibly satisfy different requirements under different working conditions. The power supply is able to meet the requirements of simple closed and open circuits of traditional DC circuit breakers, and is also able to conduct open circuit at high and low speeds. Therefore, the power supply can satisfy the requirements for conducting open circuit at high speed of the expulsive force mechanism, and prolongs service life on the basis of conducting open circuit of common expulsive force mechanisms. The power supply also increases the function of re-open circuit, and can meet high requirements.
Owner:HUAZHONG UNIV OF SCI & TECH +2
A method and device for fast tracking of ultrasonic resonance frequency
ActiveCN112350599BImprove efficiencyImprove work efficiencyEfficient power electronics conversionDc-ac conversion without reversalResonanceEngineering
Owner:SICHUAN INJET ELECTRIC CO LTD
Adjusting switch for a pneumatic shock wave therapy instrument
An adjustment switch for a pneumatic shock wave therapeutic apparatus relates to the field of medical devices. The present invention aims to solve the existing problems of how to ensure deep treatment and reduce harm, single treatment method and unsatisfactory treatment effect. An adjustment switch for a pneumatic shock wave therapy instrument, comprising a fixed piece, a limit ring and an adjustment piece; the fixed piece and the limit ring are fixedly arranged in the tube body, and an adjustment piece is arranged between the fixed piece and the limit ring , the output end of the motor passes through the center of the adjustment piece and is set in the center of the fixed piece, the fixed piece is an annular piece, the central hollow area of the fixed piece is provided with a stopper, and the output end of the motor is rotated and set in the center of the stopper . The present invention solves the existing problems of how to ensure deep treatment and reduce harm, single treatment method and unsatisfactory treatment effect, improves the treatment effect in the deep treatment area, changes the treatment method, and reduces pain The feeling guarantees the therapeutic effect again.
Owner:哈尔滨电气科学技术有限公司
Routing acceleration system and method based on linux architecture for cpe equipment
ActiveCN106341319BReduce the burden onImprove forwarding speedData switching networksGNU/LinuxComputer science
A routing acceleration system and method based on Linux architecture for CPE equipment, related to the field of CPE equipment, when the routing acceleration system is loaded for the first time, the existing routing information and interface information in the Linux protocol stack are read, and the routing information is written into the adaptation In the FIB table of the adaptation layer, the interface information is written into the LINK table of the adaptation layer, and the mapping of the two tables is established through the index; the kernel information is converted into the entry information of the FIB table, and synchronized to the FIB table of the adaptation layer and / or In the LINK table, maintain the FIB table and / or LINK table through the hook processing unit, learning event unit, device status unit and update aging unit, and realize routing and forwarding according to the FIB table and / or LINK table. The invention establishes and maintains the FIB table and the LINK table at the adaptation layer, realizes the forwarding of routing data through the FIB table and the LINK table, reduces the burden of CPE equipment, and improves the routing forwarding speed.
Owner:FENGHUO COMM SCI & TECH CO LTD
High Power Tractor Continuously Variable Transmission
ActiveCN103511598BQuick changeReduce auxiliary work timeGearboxesFluid gearingsControl theoryPower take-off
Owner:FIRST TRACTOR
High-precision and fast positioning method based on toa mode in non-line-of-sight environment
ActiveCN111352065BMeet the need for speedShort computing timePosition fixationComputational physicsMobile station
Owner:INST OF GEODESY & GEOPHYSICS CHINESE ACADEMY OF SCI
Expulsive force mechanism drive power suppy
ActiveCN106449312ASimple structureMeet different needsProtective switch operating/release mechanismsElectrical resistance and conductanceLow speed
The invention discloses an expulsive force mechanism drive power supply. The power supply includes a charging unit and a discharging unit. The charging unit includes a solid relay, a voltage regulator, a step up transformer with a tap, a first charging resistor, a second charging resistor, a single-pole double-throw switch, a high voltage charging subunit, a maneuvering charging subunit and a closed-circuit charging subunit. The discharging unit includes a high voltage discharging subunit, a maneuvering discharging subunit, a closed-circuit discharging subunit, a discharging resistor, a first contactor, a second contactor and a third contactor. According to the invention, the power supply, by being provided with one maneuvering charging subunit, is able to flexibly satisfy different requirements under different working conditions. The power supply is able to meet the requirements of simple closed and open circuits of traditional DC circuit breakers, and is also able to conduct open circuit at high and low speeds. Therefore, the power supply can satisfy the requirements for conducting open circuit at high speed of the expulsive force mechanism, and prolongs service life on the basis of conducting open circuit of common expulsive force mechanisms. The power supply also increases the function of re-open circuit, and can meet high requirements.
Owner:HUAZHONG UNIV OF SCI & TECH +2
Oil storing barrel sealing machine of motorcycle rear shock absorber
The invention discloses an oil storing barrel sealing machine of a motorcycle rear shock absorber. The oil storing barrel sealing machine comprises a rack (9), a motor (1), a sealing head assembly (2) and a sealing idler wheel (3), wherein the motor (1) is mounted on the rack (9); an output end of the motor (1) is connected with the sealing head assembly (2); and the sealing head assembly (2) is provided with three grabbing and clamping discs and the three grabbing and clamping discs are connected the sealing idler wheel (3). The oil storing barrel sealing machine of the motorcycle rear shock absorber has high sealing precision, does not have an oil leaking phenomenon, has a simple structure, and is economical and practical.
Owner:宁波培源股份有限公司 +1
A pneumatic shock wave therapy device
A pneumatic shock wave therapeutic apparatus relates to the field of medical devices. The present invention aims to solve the existing problems of how to ensure deep treatment and reduce harm, single treatment method and unsatisfactory treatment effect. A pneumatic shock wave therapy instrument, comprising a tube body, a handle body, a slider moving member, an impact device and a compressed air introduction device; one end of the tube body is inserted into the handle body, and the inside of the tube body is provided with a slider moving Components, an impact device and a compressed air introduction device; the compressed air introduction device and the impact device in an annular array are respectively arranged at two ends of the pipe body, and one end of the slider moving component is connected with the impact device. The present invention solves the existing problems of how to ensure deep treatment and reduce harm, single treatment method and unsatisfactory treatment effect, improves the treatment effect in the deep treatment area, changes the treatment method, and reduces pain The feeling guarantees the therapeutic effect again.
Owner:HARBIN JINSHIJIA TECH DEV CO LTD
Construction method and application of a construction violation detection model
ActiveCN111832443BRich diversityMeet cost requirementsCharacter and pattern recognitionNeural learning methodsPattern recognitionEngineering
The invention relates to the field of illegal behavior detection, and specifically discloses a method for constructing a construction violation behavior detection model and its application, including: performing similarity matching on images in an original image sample set, performing foreground exchange on each group of image pairs, and Perform style rendering on all the exchanged images to obtain an extended image sample set; based on the original image sample set and the extended image sample set, train a single-stage target detection network, which is based on the image above information and the category prediction in the detection network during training The prediction results of branch and position prediction branches are used to optimize network parameters, and finally detect violations based on the constructed violation detection model. The invention enhances the pairing similarity of the original samples, greatly improves the scale of training samples and the accuracy of model training, and also considers context information during training, and regularizes it by adding context information to the network, thereby greatly improving the accuracy of target detection.
Owner:HUAZHONG UNIV OF SCI & TECH
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com