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168results about How to "Guaranteed implementability" patented technology
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Signaling data identifying and processing method in signaling 7 link functional layer and equipment thereof
InactiveCN1607789ARealize unified managementAvoid remodelingSpecial service for subscribersTransmissionData synchronizationMessage type
An identifying and processing method to signaling data on No.7 signaling link functional layer and a device connected with the No.7 signaling data link includes type identification and error control unit realizing the error control to the signal unit and type identification the types of signal unit, service and information, a content control unit finishing analysis and process to assigned contents, a database storing signaling information altered contents and altered condition information, a data synchronizing unit realizing correction of signaling information changed content and condition and data synchronization with the operation center and the manage interface, an operation and maintenance unit realizing maintenance and test to said device.
Owner:SHANGHAI LIANGJIANG COMM SYST
Wolfberry picking robot and control method thereof
InactiveCN105123127ARealize self-pickingRealize normal pickingPicking devicesControl mannerData acquisition
The invention discloses a wolfberry picking robot. A wolfberry picking robot system adopts a pinhole imaging technology and mainly comprises a data acquisition card and an analog-digital conversion module. A control method mainly adopts a fuzzy PID self-adaptive control way and is mainly used for controlling the vision. Hardware of the wolfberry picking robot mainly consists of a mechanical arm, a rotor structure, a picking head and various motors. By adopting the wolfberry picking robot, the automatic picking of wolfberry can be implemented, the manpower can be completely substituted, and the problem that the manual picking is subjected to the influence of the environment can be solved. The wolfberry picking robot is high in automation degree and high in picking efficiency.
Owner:BEIFANG UNIV OF NATITIES
Test case generation method and deice, equipment and storage medium
ActiveCN108304324AImprove accuracyGuaranteed implementabilitySoftware testing/debuggingAlgorithmComputer terminal
Embodiments of the invention disclose a test case generation method and device, equipment and a storage medium. The method comprises the following steps of: obtaining user behavior data on a terminaland denoising the user behavior data; carrying out training according to the denoised user behavior data so as to obtain a page prediction model, and generating a corresponding relationship between page skipping and user operation; and generating a test case on the basis of the page prediction model and the corresponding relationship between page skipping and user operation. According to the method, the user behavior data is denoised so as to improve the test case generation correctness, the page prediction model and the corresponding relationship between page skipping and user operation are obtained on the basis of the user history behavior data, so that possible operations of users can be predicted, automatic cases can be executed, case quantity can be decreased and feasibility of the cases can be ensured. Moreover, through importing an extension page and a loop occurrence number threshold value, a balance point between prediction and real user operation is realized, case generationfailures caused by incorrect prediction are decreased, and a case set is supplemented at the same time.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Flexible surgical tool system driven by multi-motion deputy combination
The invention relates to a flexible surgical tool system driven by multi-motion deputy combination. The flexible surgical tool system comprises a flexible continuum structure which is mainly composed of a far-end structural body, a middle connecting body and a near-end structural body which are connected sequentially, and is characterized by further comprising a transmission driving unit which is connected with the near-end structural body. The transmission driving unit comprises a plurality of transmission mechanisms which respectively drive a corresponding near-end structural joint, and the transmission mechanisms can transform the input of a pair of rotational movements with parallel axes into the output of a pair of rotational movements with axes intersecting vertically, wherein the output of a rotational movement with the axis parallel to the axis of the rotational movement input is used for controlling the direction of the near-end structural joints on the bending plane, the output of the other rotational movement with the axis perpendicular to the axis of the rotational movement is used for controlling the bending angles of the near-end structural joints on the bending plane, so as to drive the near-end structural joints in the near-end structural body to bend to any direction, and then drive the far-end structural joints in the far-end structural body to bend to an opposite direction.
Owner:BEIJING SURGERII TECH CO LTD
Single-incision endoscopic surgery system based on flexible surgery tools
ActiveCN106175849AAdjustable Space Curve ConfigurationGuaranteed implementabilitySurgeryEndoscopic surgeryActuator
The invention relates to a single-incision endoscopic surgery system based on flexible surgery tools. The system is characterized by comprising the flexible surgery tools, an imaging tool and a catheter. Each flexible surgery tool comprises a surgery performer, a flexible arm, a driving handle and a near-end structure, wherein the surgery performer is linked with the far end of the flexible arm, the near end of the flexible arm is linked with the driving handle through the near-end structure, and the driving handle drives the flexible arm to turn. The imaging tool comprises an imaging lighting module, a turning joint and an imaging tool driving unit, wherein the imaging lighting module is linked with the far end of the turning joint, the near end of the turning joint is linked with the imaging tool driving unit, and the imaging tool driving unit drives the turning joint to turn. The catheter is used for guiding the surgery performers at the far ends of the flexible arms and the imaging lighting module at the far end of the turning joint to reach the same area and guiding the parts behind the near ends of the flexible arms and the near end of the turning joint in different spatial directions at the same time.
Owner:BEIJING SURGERII TECH CO LTD
Composite material laminate non-probability reliability double-level optimization method
ActiveCN106126832AReduce dependenceMake up for and perfect limitationsComputer aided designSpecial data processing applicationsGenetic algorithmUltimate tensile strength
The invention discloses a composite material laminate non-probability reliability double-level optimization method. The method comprises: firstly, according to load-carrying characteristics of a composite material laminate, considering nondeterminacy effect of an intensity parameter of the composite material under condition of limited samples, based on a non-probability reliability theory, establishing a composite material laminate non-probability reliability evaluation model; in optimization of a first ply, using a simulated annealing method to optimize the composite material laminate, with thickness as a variable, and intensity reliability and rigid reliability as constraint; in optimization of a second ply, considering process constraint using stacking sequence as a variable, and optimizing with maximum intensity as target, through establishing a stacking scheme library which satisfies process requirements, using a genetic algorithm to optimize the stacking sequence of the laminate. The method ensures the composite material laminate has relatively high reliability and relatively low weight under nondeterminacy conditions, and meanwhile the method satisfies engineering actual technology level, and gives consideration to safety and economical efficiency.
Owner:BEIHANG UNIV
Urban inland inundation model construction method based on CAD engineering drawing information and computation sheet of pipe network design
ActiveCN105224747AEasy constructionEffectively automate conversionsSpecial data processing applicationsGraphicsNetwork model
The invention provides an urban inland inundation model construction method based on CAD engineering drawing information and a computation sheet of pipe network design, and belongs to the crossing field of municipal engineering information technology and geographic information system technology. Existing computation sheet information of rainwater pipe network design is used to realize effective automatic conversion of rainwater pipe network model data to a GIS database, so as to provide convenience for construction of an urban inland inundation model. Fussy hierarchical processing on CAD graphic data according to elements by a conventional pipe network model construction method is greatly simplified, and manual entry workload on attribute data is reduced, and disadvantages of fussy operation, low efficiency, and easy mistakes of conventional manual attribute data entry are prevented. Just the computation sheet of rainwater pipe network design needs simple processing, and working efficiency is greatly improved, so as to ensure GIS quality of pipe network model data, and ensure quality of an urban inland inundation model. The method has maneuverability, and by simple operation in a GIS platform, each step can be completed, and implementation of the method is ensured.
Owner:BEIJING UNIV OF TECH
Integrated optimization method for dispatching and controlling high-speed railway trains under temporary speed limit
ActiveCN110155126AReduce distractionsConvenience guaranteedRailway traffic control systemsEngineeringSignaling system
The invention provides an integrated optimization method for dispatching and controlling high-speed railway trains under temporary speed limit. The method comprises the steps of configuring basic parameters of a railway line topological structure, a signal system characteristic and a train dynamics characteristic needed by optimized train operation regulating diagrams and speed curves; configuringbasic data of a temporary speed limiting scene; according to the basic parameters of the railway line topological structure, the signal system characteristic and the train dynamics characteristic anda train operation regulation and driving control integrated optimization model established under temporary speed limit conditions by the basic data of the temporary speed limit scene, adopting a mixed integer linear programming to solve the train operation regulation and driving control integrated optimization model, and obtaining the train operation regulation diagrams with locking time and thetrain speed curves. According to the integrated optimization method for dispatching and controlling high-speed railway trains under temporary speed limit, the train operation regulation diagrams withthe locking time and the speed curves can be automatically programmed and provided under the condition that a high-speed railway operation is disturbed by the condition of the temporary speed limit, the optimization performance and the feasibility of a train regulation plan and a recommended speed the operation curve can be ensured.
Owner:BEIJING JIAOTONG UNIV
Automatic hydraulic model establishment method based on CAD drainage network drawing information
ActiveCN105117573AValid entryEasy constructionSpecial data processing applicationsProfile diagramEngineering
The invention provides an automatic hydraulic model establishment method based on CAD drainage network drawing information, and belongs to the crossing field of the municipal engineering information technology and the geographic information system technology. The method starts from the hydraulic model establishment and is based on the storage situation of the CAD drainage network drawing information, complex layering does not need to be conducted on CAD engineering drawings, the manual one-by-one attribute data recording work is greatly simplified, the CAD profile diagram attribute data are converted to a GIS database in batches through TrueTable software, data can be automatically recorded in batches, the complex operation of the manual one-by-one data recording is greatly reduced, the data recording work efficiency is improved, the quality of the model data is ensured, and the quality of an established hydraulic model is improved.
Owner:浙江中汇华宸建筑设计有限公司
Method for planning substations of power distribution network
InactiveCN103489076ASolve the load problemSolve the problem of low capacity-load ratio of substationResourcesDistribution patternPower grid
The invention relates to a method for planning substations of a power distribution network. The method comprises the following steps that each 110-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.8 to 2.1, each 35-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.6 to 1.8, the distribution transform capacity-load ratio of each 10-kV substation ranges from 1.5 to 2.0; a boost and expansion project, the number of newly established substations and the main varying capacity are determined according to the target capacity-load ratio of each substation and the current operation and distribution situation of the substations of the power distribution network, and then the station location of each substation and the power supply radius are determined; the minimal investment and the minimal annual operation cost serve as objective functions, the constraint condition refers to the fact that the load requirement is satisfied, and an optimized operation is conducted through the objective functions; the minimal investment and the minimal annual operation cost of substation planning are determined; the number of the substations needing to be newly established and the number of the substations needing capacity increase are obtained through calculation and therefore the problems that the load rate of an existing circuit is ultra-high, the capacity-load ratio of each substation is ultra-low, and operation and dispatching are not flexible can be solved through the minimal investment and the minimal annual operation cost.
Owner:STATE GRID CORP OF CHINA +1
Ground-surface fixed-point deep hole layered grouting construction method
ActiveCN106640120AGuaranteed implementabilityAvoid the problem of difficult liftingUnderground chambersTunnel liningSleeve valveDeep hole
The invention discloses a ground-surface fixed-point deep hole layered grouting construction method. The method comprises the steps that vertical drilling is conducted from the ground surface of a construction area to the interior of the area needing to be grouted, wherein the hole depth is set to range from 80 meters to 150 meters; after the depth of a finished hole reaches the designed depth, a type-I sleeve valve tube (100) is put into the tail end of the drilled hole, designed grouting segments, put into the drilled hole, of a type-II sleeve valve tube (200) are connected segment by segment, and non-designed grouting segments, put into the drilled hole, of a type-III sleeve valve tube (300) are connected segment by segment; after the sleeve valve tubes are installed, a casing shell material is injected into a gap formed between the outer walls of the sleeve valve tubes and the inner wall of the drilled hole for hole sealing; after hole sealing is completed and solidifying is achieved, grouting core pipes (600) are put into the drilled hole; the tail end of the first grouting core pipe (600) penetrates through a stop-grouting plug (700) to be connected with the stop-grouting plug (700), and the other grouting core pipes (600) are connected segment by segment and then put into the sleeve valve tubes till the stop-grouting plug (700) is put into the bottoms of the sleeve valve tubes; a grouting pipe is connected to the core pipe end, grouting liquid is prepared, and then grouting operation starts through the grouting core pipes (600).
Owner:北京瑞威世纪铁道工程有限公司
Hydraulic model building demands based digital processing method for drainage pipeline network
ActiveCN103927417AQuick buildImprove reliabilitySpecial data processing applicationsDigital signal processingPrimary operation
The invention relates to a hydraulic model building demands based digital processing method for a drainage pipeline network and belongs to the crossing field of the municipal engineering information technology and the geographic information system technology. Started with hydraulic model building demands, GIS (geographic information system) operation of standard CAD (computer-aided design) vector data is greatly simplified, main operation steps are automatically implemented through computers, errors of original data can be authenticated in time by the aid of a debugging mechanism, and digital processing of the drainage pipeline network system can be quickly and accurately realized. The hydraulic model building demands based digital processing method has the advantages that data size inputted manually by conventional processing methods is greatly simplified, flow direction information of pipeline sections is the only thing to determine, and complicated operations of inputting upstream and downstream node numbers of the pipeline sections are eliminated. Meanwhile, operability of various steps is taken into consideration, the steps can be implemented only by the aid of simple operations on the GIS platform instead of complicated procedural programming, and implementation of the digital processing method is guaranteed.
Owner:平行数字科技(江苏)有限公司
Flexible surgical tool system adopting sterile barrier
ActiveCN106377315ARealize turning motion in any directionGuaranteed implementabilitySurgical robotsLinear motionPush pull
The invention relates to a flexible surgical tool system adopting a sterile barrier. The flexible surgical tool system comprises a flexible surgical tool and a driving unit, wherein the flexible surgical tool comprises a far-end structure, a near-end structure and a middle connector; the far-end structure comprises a far-end component; the far-end component comprises a far-end interval plate, a far-end fixed plate and a structure bone; the near-end structure comprises a near-end component; the near-end component comprises a near-end interval plate, a near-end fixed plate and a structure bone; the middle connector comprises a channel fixing plate and a structure bone guiding channel; the driving unit comprises a motor part, a motion conversion part and a linear motion mechanism; the motor part comprises a first fixing plate and a first motor; the motion conversion part comprises a driving chain; the rotating output of the first motor is converted into the linear motion of an output rod by the driving chain and is transmitted to a push-pull rod of the linear motion mechanism through the sterile barrier; an output end of the linear motion mechanism is connected with one end of the driving bone.
Owner:BEIJING SURGERII TECH CO LTD
Resistance spot welding technique for steel workpiece with coating layer
ActiveCN107350613AEasy dischargeGuaranteed implementabilityWelding/soldering/cutting articlesResistance welding apparatusPower flowEngineering
The invention discloses a resistance spot welding technique for steel workpiece with a coating layer. According to the technique, the steel workpiece to be welded is connected in a lap joint mode, pressure is applied to the lap joint, and is increased and maintained; a first welding current is applied to the lap joint, and is enabled to continuously act for a first time; then the first welding current is removed and a second time is maintained; after the second time is maintained, a second welding current is applied to the lap joint, and is enabled to continuously act for a third time; after keeping for the third time, the second welding current is gradually reduced to zero within a fourth time; and wherein the second welding current is larger than the first welding current, and the sum of the first time and the second time is larger than or equal to 600 ms. The technique has the advantages that the coating layer is damaged by outputting the first welding current, the second welding current is output to complete heating welding, a longer stopping output timing sequence is arranged between the two, coating material is promoted to be discharged, splashing is inhibited, and a wide process window can be obtained.
Owner:江苏育材堂车身技术有限公司 +1
Single-incision laparoscopic surgery system based on flexible arms
ActiveCN106175851AGuaranteed implementabilityMeet size constraintsSurgical robotsDegrees of freedomSingle incision laparoscopic
The invention relates to a single-incision laparoscopic surgery system based on flexible arms. The single-incision laparoscopic surgery system comprises flexible surgery tools, an imaging tool, a catheter and a driving body. Each flexible surgery tool comprises the first flexible arm, a surgery performer and a first driving transmission unit. The imaging tool comprises the second flexible arm, an imaging lighting module and a second driving transmission unit. The catheter comprises a catheter body and a multi-cavity catheter main body. The driving body comprises a framework linked with the catheter, and a plurality of driving modules connected to the framework in a fastened mode and linked with the first driving transmission units and the second driving transmission unit. The overall feed degrees of freedom, the overall rotation degrees of freedom and the turn degrees of freedom of the first flexible arms are achieved through the driving modules via the first driving transmission units linked with the driving modules, and the overall feed degrees of freedom and the turn degrees of freedom of the second flexible arm are achieved through the driving modules via the second driving transmission unit linked with the driving modules. According to the single-incision laparoscopic surgery system, the flexible surgery tools and the imaging tool can enter the human body through the same multi-cavity catheter main body to perform surgery.
Owner:BEIJING SURGERII TECH CO LTD
Space complex environment oriented multi-degree of freedom 3D printer and printing method
ActiveCN104626581AGuaranteed implementabilityIncrease flexibilityAdditive manufacturing apparatusHigh energyMulti degree of freedom
The invention provides a space complex environment oriented multi-degree of freedom 3D printer and a printing method. The 3D printer comprises a multi-degree of freedom mechanical arm, wherein the multi-degree of freedom mechanical arm is arranged in a base surface; an emergency storage battery and a central processor are arranged in the multi-degree of freedom mechanical arm; a high energy-storage medium heat collector is connected outside the multi-degree of freedom mechanical arm; the multi-degree of freedom mechanical arm is connected with a space 3D printing head; the high energy-storage medium heat collector is connected with the space 3D printing head by a conduit; a curved surface scanning and identifying device is attached outside the space 3D printing head, and is connected with a central processor; the space 3D printing head ensures the enablement of space 3D print; by utilizing the high energy-storage medium heat collector, a micro-channel and the conduit to collect, utilize and control energy; by utilizing the multi-degree of freedom mechanical arm and the curved surface scanning and identifying device to perform 3D print on the base surface with optional angle and optional motion curve, the flexibility of space 3D print is realized.
Owner:XI AN JIAOTONG UNIV
Robot and method for picking daylily
PendingCN109392462AEnsure flexibility and reliabilityImprove picking success ratePicking devicesPower controlDaylily
The invention discloses a robot and a method for picking daylily. According to the invention, a navigation walking system is adopted for navigation and positioning of the robot; a fruit picking systemis adopted for mechanical picking of the daylily; an object identification and positioning system is adopted for accurate identification and positioning in picking operation; a fruit collection device is adopted for timely collection of picked daylily; and an electric source and power control device is adopted for intelligent control to all systems. Through mechanical and electrical combination,and by combination of the growth characteristics and picking requirements of the daylily for highly-efficient picking, the manner of replacing manual labor with the robot is realized. The method provided by the invention controls the picking path of the robot for picking the daylily; three-dimensional coordinates of a feature point are obtained to be fed back to the electric source and power control device, so the feasibility and accuracy of the whole picking operation are guaranteed; and picking operation of the daylily is completed, and the picked daylily is timely collected, so the pickingand collection efficiency of the daylily is improved, the number of times of handling can be effectively reduced, and the quality of picked daylily is improved.
Owner:BEIFANG UNIV OF NATITIES
Vanadium leaching method for high-chrome vanadium residues
InactiveCN105734308AEasy to handleCraft briefProcess efficiency improvementAir atmosphereHeating time
The invention provides a vanadium leaching method for high-chrome vanadium residues. The vanadium leaching method includes the process steps that high-chrome vanadium residues are smashed into particles with the granularity smaller than 150 mesh; the particles are put in the microwave condition and the air atmosphere to be heated and baked to obtain high-chrome vanadium residue clinker, wherein the heating frequency of microwaves is controlled to be 2 GHz to 3 GHz, the heating temperature is controlled to be 700 DEG C to 1000 DEG C, and the heating time is controlled to be 10 min to 120 min; the high-chrome vanadium residue clinker is smashed into particles with the granularity smaller than 200 mesh; a dilute sulphuric acid solution with the concentration of 0.5 mol / L to 6 mol / L is added to the clink particles, the mixture is stirred and leached for 10 min to 180 min at the temperature of 70 DEG C to 100 DEG C; and vanadium-containing filtrate and vanadium tailings are obtained after the mixture is filtered and separated. The method is put forward for high-chrome vanadium residues without effective treatment methods on the current domestic market, various types of high-chrome vanadium residues with the chrome content reaching up to 8% to 14% can be effectively processed, and the final vanadium leaching rate reaches 86% or above.
Owner:NORTHEASTERN UNIV
Water conservancy rainfall pattern peak-based city long-duration design rainstorm rainfall pattern creation method
ActiveCN105426346ASimple designConforms to the statistical law of rainfallNatural language data processingComplex mathematical operationsPrimary operationPeak value
Owner:威海市城乡规划编研中心有限公司
An intelligent face detection and recognition system based on depth-learning facial recognition algorithm
ActiveCN109409258AGuaranteed stabilityAvoid damageCharacter and pattern recognitionStands/trestlesFace detectionPrivacy protection
The invention discloses an intelligent face detection and recognition system based on a depth learning face recognition algorithm, comprising an outer frame, wherein the bottom of the inner wall of the outer frame is fixedly connected with a lifting device, and the top of the lifting device is fixedly connected with a transmission device, which relates to the technical field of a face detection and recognition system. The intelligent face detection and recognition system based on depth learning facial recognition algorithm, as that angle of the face recognition device is facilitate to be adjusted, it can be adjusted according to different usage requirements, Increased practicability of the device, so that a high flow of people can be ensure, the accuracy of capturing face images at large population densities, efficiency, while improving the speed of image searching in large face databases, Recognition accuracy, and effectively improve the maintainability of the system, high concurrency, to ensure that the system in a variety of scenarios continued to work, to ensure that the system has a stable, reliable and efficient iterative upgrade scheme, to ensure data transmission and storage process security and privacy protection.
Owner:深圳市恩钛控股有限公司
Signaling system 7 message identification processing method and equipment for communication control and channel selection
InactiveCN1606324AAvoid remodelingAvoid upgradeSpecial service for subscribersTransmissionData synchronizationInformation type
NO.7 signaling information identifying and processing method and a device is used in communication control and path selection. The device includes a type identifying unit for identifying the service type or information type of received signaling information, a content control unit finishing analysis and process to assigned contents, a data base storing signaling altered contents and information of its conditions, a data synchronous unit responsible for their correction and synchronization to realize synchronization with operation central data, an operation and maintenance unit realizing maintenance and correctness to said device to ensure it at fine state.
Owner:SHANGHAI LIANGJIANG COMM SYST
Business processing method and device based on power equal sign check
ActiveCN105740258AGuaranteed implementabilityImprove usabilityTransmissionSpecific program execution arrangementsHigh availabilityComputer science
The present application provides a business processing method and device based on idempotent number verification, the method comprising: in response to an idempotent number acquisition request initiated by the caller, generating an idempotent number with reference to a randomly determined target database and the current business type ; Return the idempotent number to the caller; in response to the business processing request initiated by the caller, the business processing request includes the idempotent number, and check the idempotent number; if the verification is not If passed, the caller is notified to re-initiate the idempotent number acquisition request; in response to the idempotent number acquisition request re-initiated by the caller, the idempotent number is generated according to the database that is mutually active and standby with the target database. The embodiment of the present application can ensure the implementability and high availability of the idempotent number check, and also ensure that the business processing can be continuously available.
Owner:ADVANCED NEW TECH CO LTD
Flexible surgery tool system containing driving bone
ActiveCN106308936ARealize turning motion in any directionAchieve turning freedomSurgical drapesSurgical manipulatorsEngineeringSurgery procedure
The invention relates to a flexible surgery tool system containing a driving bone, and the system comprises a flexible surgery tool and a driving unit; the flexible surgery tool comprises a flexible continuum structure composed of a far-end structural body, a near-end structural body and a middle connector; the near-end structural body comprises a near-end structural joint, the near-end structural joint comprises a near-end distance plate, a near-end fixture plate and a structural bone; the middle connector comprises a channel fixing plate and a guiding channel for structural bone; the driving unit comprises a driving unit fixing plate, many straight line mechanisms are arranged between the driving unit fixing plate and the channel fixing plate near the near-end structural body, an output end of the straight line mechanism is fixedly connected to a first driving bone, one end of the first driving bone is fixedly connected to one end of a second driving bone, both of the other ends of the first driving bone and the second driving bone are fixedly connected to the near-end fixing plate after penetrating the near-end distance plate.
Owner:BEIJING SURGERII TECH CO LTD
Method for accessing mobile internet protocol (IP) network and IP bearer network
ActiveCN102546749AGuaranteed implementabilityExpress routeData switching networksWireless communicationTraffic capacityApplication server
The invention provides a method for accessing a mobile internet protocol (IP) network and an IP bearer network. The mobile IP network is accessed through a router for supporting IP network access and arranged at the edge of the IP bearer network, a new route is built for the accessed mobile IP network, and the new route does not transmit flow of the mobile IP network before a route switching command of an application server is received. After the new route is built, the flow of the mobile IP network is switched into the new route under the scheduling of the application server. The method for accessing the mobile IP network and the IP bearer network build a route in advance in a high speed moving process of the mobile IP network, switching of a fast route and the route is achieved, and the new route can not affect data which is transmitted.
Owner:CHINA TELECOM CORP LTD
Water-rich sand-cobble stratum shield entry and exit reinforcing system and construction method thereof
InactiveCN106050244AGuaranteed implementability and securityReduce construction riskTunnelsStructural engineeringGlass fiber
The invention relates to a water-rich sand-cobble stratum shield entry and exit reinforcing system and a construction method thereof. A shield entry and a shield exit under the water-rich sand-cobble stratum condition often generate the phenomena that door sealing is failed, a soil body loses stability and collapses, and an ambient environment is destroyed. According to the system, station pit support structures are arranged on the outer sides of the inner walls, at the shield entry end and the shield exit end, of a station, glass fiber rib support piles are arranged within the range of shield tunnel structures, single row element secant piles are arranged outside the glass fiber rib support piles, and the shield tunnel structures are arranged on the outer sides of the single row element secant piles. According to the system, the glass fiber rib piles, the single row element secant piles and a dewatering well achieve the synergistic effect, the self-stability of a stratum and the integration of a shield and the soil body are fully utilized, therefore, implementation performance and safety of the shield tunnel entry and the shield tunnel exit are guaranteed, the construction risk is reduced, the method is easy to operate, investment is reduced, and construction implementation is promoted.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
Method for preparing germanium-on-insulator (GeOI) substrate
InactiveCN102201364AImprove back interface qualityAchieve passivationSemiconductor/solid-state device manufacturingBiological activationSemiconductor
The invention discloses a method for preparing a germanium-on-insulator (GeOI) substrate. In the method, a back interface is passivated in the process of preparing the GeOI substrate; and the method comprises the following steps of: providing a semiconductor germanium substrate and a silicon substrate respectively, cleaning the germanium substrate and the silicon substrate, and removing natural oxide layers on the surfaces of the germanium substrate and the silicon substrate; growing a layer of SiO2 on the silicon substrate; depositing a layer of SixNy on the SiO2; depositing SiO2 for bonding on the SixNy, and depositing fluoridized SiO2 (FSG) for bonding on the germanium substrate; performing surface activation treatment on the SiO2 on the SixNy and the fluoridized SiO2 (FSG) on the germanium substrate, and performing alignment bonding along activated surfaces; annealing; and thinning. By the method, the quality of the back interface of the GeOI substrate can be improved.
Owner:PEKING UNIV
Flexible surgery tool system with far end capable of turning in any direction
ActiveCN106308937ARealize turning motion in any directionGuaranteed implementabilitySurgical robotsLinear motionEngineering
The invention relates to a flexible surgery tool system with the far end capable of turning in any direction. The flexible surgery tool system comprises a flexible surgery tool and a driving unit. The flexible surgery tool comprises a far-end structural body, a near-end structural body and a middle connecting body. The far-end structural body comprises far-end segments, and each far-end segment comprises far-end spacing discs, a far-end fixing disc and structural bones. The near-end structural body comprises near-end segments, and each near-end segment comprises near-end spacing discs, a near-end fixing disc and structural bones. The middle connecting body comprises channel fixing plates and structural bone guide channels. The driving unit comprises a motor part, a motion conversion part and linear motion mechanisms. The motor part comprises a first fixing plate and first motors, the motion conversion part comprises transmission chains used for converting rotary output of the first motors into linear motion of output rods, the linear motion is transmitted to the input ends of the linear motion mechanisms through a sterile barrier, the output ends of the linear motion mechanisms are connected with one ends of driving bones, the driving bones penetrate through the near-end spacing discs, and the other ends of the driving bones are connected with the near-end fixing discs.
Owner:BEIJING SURGERII TECH CO LTD
Dynamic measurement methods of room ventilation and air exchange quantity
ActiveCN108446443ASimplify workloadReduce testing costsDesign optimisation/simulationSpecial data processing applicationsHuman bodyAir exchange
The invention discloses a dynamic measurement method of room ventilation and air exchange quantity. A measurement manner of using CO2 emitted by human bodies as tracer gas is adopted, a mutual relationship of room CO2 concentration and the room ventilation and air exchange quantity is established according to a basic principle of mass balancing, and at the same time, the dynamically changing roomventilation and air exchange quantity is calculated and determined on the basis of an error analysis result according to continuous test data of the room CO2 concentration. By adopting the technical solution of the invention, all limits on emission status of room human-body CO2 can be removed, the room ventilation and air exchange quantity in each time interval can be conveniently and quickly calculated and obtained on the basis of the actually measured data of the room CO2 concentration, and thus dynamic changes of the room ventilation and air exchange quantity can be truly reflected.
Owner:BEIJING UNIV OF TECH
Distributed cloud digital television program recommendation method
InactiveCN103118279ASimplicity guaranteedGuaranteed practicalitySelective content distributionClient-sideDigital television
The invention provides a distributed cloud digital television program recommendation method which includes a client system and a cloud system. The client system comprises a plurality of set-top boxes capable of receiving signals, and the cloud system comprises a cloud server capable of processing data. The specific recommendation process includes the steps: recommending programs according to audience rating; transmitting watched program information data to the cloud server by each set-top box; processing the data by the cloud server; and requesting statistical results by a client to recommend the programs. The set-top boxes support network functions. Compared with the prior art, the distributed cloud digital television program recommendation method has the advantages that simplicity, practicability and feasibility of the systems are furthest ensured, and accordingly, excellent popularization and use values are achieved.
Owner:INSPUR QILU SOFTWARE IND
Flexible surgical tool system adopting constrained structure bone
The invention relates to a flexible surgical tool system adopting constrained structure bones. The flexible surgical tool system comprises flexible surgical tool which comprises a flexible continuum structure formed by a far-end structure, a near-end structure and a middle connector; the far-end structure comprises far-end structure sections, and each far-end structure section comprises a far-end distance plate, a far-end fixed plate and one structure bone; the near-end structure comprises near-end structure sections, and each near-end structure section comprises a near-end distance plate, a near-end fixed plate and one structure bone; the middle connector comprises passage fixed plates and a structure bone guiding passage; the near-end structure sections are internally provided with the constrained structure bones, one end of each constrained structure bone is firmly connected with the corresponding passage fixed plate closed to the corresponding near-end structure section, the other end of each constrained structure bone is directly or indirectly connected with the corresponding near-end fixed plate, and the length of each near-end structure section remains unchanged when the near-end structure section turns.
Owner:BEIJING SURGERII TECH CO LTD
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