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373 results about "Continuous dynamic" patented technology

Momentary Power Market

InactiveUS20090319415A1FinanceCommerceConvertersElectricity trade
A method and system is proposed for the physical trading of electricity, which is characterized by continuous Dynamic Advanced Prices formation and propagation over a single price period that is a few seconds long. The Node and Branch price equations are applied to the power flows and to the corresponding costs incurred at measure points, as well as to the system-wide costs allocated equitably by means of a Price Designator, Price Announcers, Price Transmuters and Intelligent Meters and by other devices, all of which function together in a sequential and repetitive process of preliminary bidding, clearing, adjustment and dispatching, followed by price designation, confirmation and conversion in a way that takes into account congestion and security costs and the compensation of involuntary deviations. The method provides a common electricity trade environment that allows every market participant, especially every consumer, to respond adequately to last minute price changes.
Owner:STOILOV GEORGI DIMOV +2

Stereoprojection system

InactiveUS20090102915A1Add depthReduces pushing border effectMirrorsProjectorsMonitoring systemProjection system
The invention relates to stereo projection systems for displaying stereopaired images on mirror-spherical or parabolic screens and for collectively watching a stereo effect without using stereo spectacles. Said invention makes it possible to continuously dynamically superimpose the projections of the left and right picture frames of a steropair with the user's left and right eyes, respectively. Such impositions are carried out simultaneously and independently for each viewer. The technical result is attainable by that the inventive stereo projection system comprises stereo projectors which are individually allocated to each viewer and in-series connected, a monitoring system for continuously and accurately determining the viewers' eye positions, a self correcting device, video-correcting devices, automatic drives for the mechanical self-correction of the stereo projectors and the system optical elements, units which are used for forming stereopair projected images in the stereo projector and which are coupled with the video-correcting device for the video-correction of the optimal parameters of the screen images. The inventive system makes it possible to carry out the self- and video-correction in an integral manner in such a way that the comfort of the stereo effect viewing is maximally satisfied.
Owner:ARSENICH SVYATOSLAV IVANOVICH

Method and apparatus for optimizing a hybrid power system with respect to long-term characteristics by online optimization, and real-time forecasts, prediction or processing

An apparatus optimizes a hybrid power system with respect to long-term characteristics of the hybrid power system. The apparatus includes a real-time controller of the hybrid power system and a processor. The processor cooperates with the real-time controller and is structured to input current measurements of information from the hybrid power system and hybrid dynamics information including continuous dynamics and discrete time dynamics that model the hybrid power system. The processor provides online optimization of the hybrid power system based upon the input, and outputs a power flow reference and a number of switch controls to the real-time controller based upon the online optimization. The processor is further structured to provide at least one of: real-time forecasts or real-time prediction of future information operatively associated with the hybrid power system as part of the input, and real-time processing of the online optimization.
Owner:EATON INTELLIGENT POWER LIMITED

Intramedullary nail, system, and method with dynamic compression

The present invention describes an intramedullary nail for use in orthopedic surgery for the fixation of bone fractures and fusion sites. The nail employs one or more internal loaded springs, biocompatible elastic or rubber bands, or other mechanism that provides continuous dynamic compression across the healing site throughout the healing process. By altering the size, tension and / or number of the internal compression devices, the amount of compression may be customized on a case-by-case basis. Further, the slots within the nail for its attachment can be utilized to create a torsional force when desired. The nail can have a cross-sectional shape that prevents its rotation. A system and method of use is also described.
Owner:AFCN

Process control system

The disclosed process control system makes use of Optimal control (OC) and model predictive control (MPC) techniques for selection of the Expert Systems (ES) targets values U. The ES target values U are selected to minimize the performance criterion J. A mathematical model of an extended system given by the process P and the ES is developed. This hybrid mathematical model has both continuous dynamics and logical relationships. Controlled variables of the mathematical model are the ES target values U and inputs are the measurements y and the performance criterion J. The OC and / or MPC techniques are used to compute values U. An optimizer of the OC / MPC selects values of the ES target values U only. This activity has lower sampling rates than selection of controller values, which simplifies the design of the OC / MPC controller.
Owner:ABB (SCHWEIZ) AG

Closed-loop control charge pump circuit

The invention relates to a closed-loop control charge pump circuit, which comprises a basic charge pump circuit and a control loop. The control loop comprises the following circuits which are connected in turn: a sampling circuit, a comparer, an oscillation control circuit, and an oscillator, wherein the sampling circuit is connected with a voltage output end (Vout) of a basic charge pump, and isused for sampling the voltage value of the Vout and generating a sampling voltage value V1 corresponding to the voltage value of the Vout according to a predefined function mapping relation f; the comparer is used for comparing the voltage value V1 with a preset reference voltage Vref and outputting the comparison result V2; the oscillation control circuit receives the comparison result V2 and generates a control signal Ctr1 according to the V2 value; and the oscillation frequency of the oscillator is controlled by the control signal Ctr1 to change continuously, and the oscillator outputs theoscillation frequency as the working frequency of the basic charge pump. Thus, the frequency of the oscillator of the charge pump circuit can be adjusted continuously and dynamically, and the whole charge pump circuit has good power following characteristics and reduces the energy consumption.
Owner:GIGADEVICE SEMICON (BEIJING) INC

Method for quasi-continous dynamic motion correciton in magnetic resonance measurements

A method of MR imaging and spectroscopy reduces artifacts occurring due to the motion of an object to be represented, wherein the object position is determined quasi-continuously during the runtime of the MR acquisition, which includes one or more partial acquisitions (TA), and wherein motion correction is performed, which comprises dynamic adaptation of the frequency and phase settings of the RF system of the tomograph and of the orientation and amplitudes of the gradients during the runtime of the MR acquisition according to the current object position. The motion correction is thereby applied during a signal weighting period, during a signal read-out period, or between and / or during the two stated periods and the adaptations for motion correction are performed without interrupting or slowing the temporal progression of the MR acquisition. In this way, artifacts due to motion of the object to be represented can be further reduced.
Owner:UNIVERSITATSKLINIKUM FREIBURG

Dynamic demonomerization and defoaming method and device for carbon fiber spinning solution

ActiveCN101856570AContinuous quantitative feedingSingle and degassing continuous dynamicFoam dispersion/preventionCarbon fibersSolvent
The invention discloses a dynamic demonomerization and defoaming method and a dynamic demonomerization and defoaming device for carbon fiber spinning solution. An ultrasonic generator is arranged in the centre of a defoaming kettle; an air guide cylinder and a flow guide disk are arranged on a flow diversion and air guide cover; and the defoaming effect is improved to realize low-temperature high-vacuum demonomerization and defoaming of the spinning solution with different relative molecular masses and different charging rates by the processes of heating a demonomerization and defoaming device, continuous feeding, gravity demonomerization and defoaming, film stretch defoaming and ultrasound-assisted defoaming and controlling the defoaming temperature, the vacuum degree and the rotation speed of a demonomerization tower. The spinning solution obtained by the method has the residual monomer content of less than 0.1 percent, less than 5 small bubbles with diameter of less than 0.03mm and solvent loss of less than 5 percent during the demonomerization and defoaming. The method and the device can realize continuous dynamic demonomerization and defoaming at a low temperature under vacuum condition and has the characteristics of simple and practical process and good defoaming effect.
Owner:XIAN KANGBEN MATERIAL

Test device for simulating tunnel seismic response under fault movements and test methods

InactiveCN106226808ANo excessive displacementGuaranteed continuous misalignmentSeismologyMaterial strength using steady shearing forcesFixed bearingMobile bearing
The invention discloses a test device for simulating a tunnel seismic response under fault movements, which comprises a vibration table, a model test box, a guide rail underframe, a guide rail, a calibrated rod, a spring matrix, a spring mounting plate, a load-bearing bottom plate, an adjustment connecting rod, a fixed bearing, a mobile bearing, a lifting drawer, a jack base and a hydraulic jack. The invention further discloses two test method adopted by the test device for simulating the tunnel seismic response under the fault movements, and the two methods are respectively used for normal fault simulation and reverse fault simulation. A dynamic response of a seismic action in a condition that a fault movement force acts on a tunnel model can be realized by adopting the test device disclosed by the invention, the fault movement force is provided by the hydraulic jack, faults with any inclination angle can be simulated, and the spring matrix can ensure continuous dynamic movements of a hanging side soil body when the vibration table is in operation, so that stress of the tunnel model is enabled to be more consistent with actual situations, the authenticity and the precision of a test result are significantly improved, and research on anti-seismic and shock absorption design of a fault crossing tunnel is facilitated.
Owner:SOUTHWEST JIAOTONG UNIV

Unmanned aircraft infinite endurance system

InactiveCN105302150ASolve the limited battery lifeCircuit arrangementsAttitude controlControl signalOptical flow
The invention relates to an unmanned aircraft infinite endurance system. An attitude reading module collects attitude information of an unmanned aircraft and sends data to a control unit in the unmanned aircraft. The control unit outputs a control signal to the unmanned aircraft. The unmanned aircraft conducts remote wireless communication with a monitoring vehicle. When the flying unmanned aircraft needs power supplement, a vehicle-mounted unmanned aircraft monitoring system calculates a charging meeting point of the unmanned aircraft and the monitoring vehicle and sends control signals to the unmanned aircraft and the monitoring vehicle. The unmanned aircraft and the monitoring vehicle cooperate to approach each other. When the unmanned aircraft gets close to the position of the monitoring vehicle, the unmanned aircraft identifies an image through an optical flow module, reads height information through an ultrasonic wave module, determines a precise position of the monitoring vehicle, and lands on an assigned area of the ceiling of the monitoring vehicle. The unmanned aircraft monitoring system sends a starting control signal to a wireless charging system to start the wireless charging system to charge the unmanned aircraft. The system can effectively solve the problem of limited endurance of the unmanned aircraft and ensures that the unmanned aircraft can execute flying tasks continuously and dynamically in a large range.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Iodinated water treatment process

A method and apparatus for producing bacteria-free iodine-species-containing drinking water for farm animals under continuous dynamic water flow, comprising dissolving solid iodine into a first water flow to produce a saturated iodine species-containing aqueous solution at a pre-selected temperature; blending the saturated solution with a second water flow to produce a diluted iodine species bacterium-free aqueous solution; and providing the diluted solution as drinking water to the animals. Preferably, the iodine is dissolved in the first water flow to provide a saturated iodine species at a pre-selected temperature at a known concentration, which saturated solution is then blended into a mean water flow. The continuous flow of iodine species-containing water is fed to a farm animal drinking water distribution network with reduced risk of back-contamination by bacteria-containing water through the network. Other uses of the iodinated water are as a disinfectant, for example, in the food processing industry; fruit, vegetable and fish preservation; industrial, commercial cooling tower waters, sewage and waste water treatment; and as a nutrient as an iodine source for humans, livestock, fish and plants.
Owner:IOSOLUTIONS

Automatic stowage device of substitutive loading sliding sheet of goods transport tray

The invention discloses an automatic stowage device of a substitutive loading sliding sheet of a goods transport tray. The device comprises a motor, a tray conveying device, an air cylinder, a pneumatic baffle, an absorption device, a negative-pressure sucker, an air pressure distribution pipe, a telescopic rod, a slide track, a video detection device and a laser ranging device, wherein the tray conveying device is driven by the motor; the pneumatic baffle and a driving air cylinder thereof are positioned below the tray conveying device; the video detection device and the laser ranging device are arranged on the absorption device; the air pressure distribution pipe is arranged on the absorption device; the negative-pressure sucker is connected with an air source and a control device through the air pressure distribution pipe; the top of the absorption device is connected with a translation frame; the translation frame is matched with the slide track which is arranged on a rack to realize the translation motion of the absorption device; and the telescopic rod is arranged on the absorption device diagonally. In the device, translational and vertical lifting mechanisms are combined, so that a gripping device and the tray conveying device are matched with each other to realize the continuous dynamic synchronous accomplishment of sliding sheet stowage and tray conveying.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

Continuous dynamic blood pressure monitoring device and method based on pulse wave transit

ActiveCN106618537ALong-term continuous monitoring of blood pressure changesEvaluation of blood vesselsSensorsEcg signalComputer module
The invention provides an independently researched and developed continuous dynamic blood pressure monitoring device and method based on pulse wave transit time (PWTT) and pulse wave transit velocity (PWV). According to the device, an electrocardiosignal collecting module (104) is arranged on a main case (101) in a wristwatch form, a pulse wave signal collecting module (103) is arranged at the position, corresponding to the wrist radial artery, of a wristband (102), and the electrocardiosignal collecting module (104) and the pulse wave signal collecting module (103) are in signal connection with a control module (105). The device and algorithm can obtain pulse waves in real time, the problem that in-vitro heart pulse waves are inconvenient to obtain is solved, the method for rapidly and accurately obtaining the cardiac ejection time point is provided, and the method is an important part of continuous dynamic blood pressure monitoring.
Owner:TIANJIN ONEHAL INFORMATION TECH

Simultaneous polarization phase-shifting interferometer

InactiveCN102944169AEliminate measurement effectsRealize continuous dynamic measurementUsing optical meansBeam splitterPhase difference
The invention relates to a simultaneous polarization phase-shifting interferometer. The interferometer uses a HeNe laser as a linear polarization coherent light source and comprises reference light and measurement light carrying phase information of a standard lens and a lens to be measured. The reference light and the measurement light are reflected and transmitted by a polarization splitting prism respectively to be combined into one light beam in a same light path respectively, and a 1 / 4 wave plate and a beam splitter prism are arranged successively on the light path respectively; the light beam can be split into two portions with equal amplitudes by a depolarization splitting prism, and polarization splitting prisms are arranged on two split light paths; and image acquisition devices are arranged on the light paths after the light beams pass through the polarization splitting prisms respectively. According to the simultaneous polarization phase-shifting interferometer, the wave plate and polarization prism structures are used, and polarized light interference is used, so that four interference images with a phase difference of pi / 2 successively can be obtained at a same moment, effects of airflows and ambient vibration on measurement can be eliminated, the interferometer can be applied to field inspection of optical systems and optical inspection in complicated and severe environments, and continuous dynamic measurement can be achieved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Natural environmental protection type dynamic sterilizing agent and preparation method thereof

InactiveCN101336646AEffective swimmingTo achieve the effect of dynamic sterilizationBiocideDisinfectantsNepetaDisinfectant
The invention relates to a natural environmental friendly dynamic disinfectant, which is characterized by comprising the following materials: patchouli oil, artemisia vulgaris oil, nepeta oil, rosemary oil, clove oil, lavender oil, eucalyptus oil, pine needle oil, ginger oil, tea tree oil, ethanol, houttuynia, pasqueflower, rush, diethyl fumarate, baicalein, alliin and nano-silver. The disinfectant is prepared by the following steps: weighing materials by weight percent; fine grinding houttuynia, pasqueflower and rush to 20-100nm grade; distilling all materials after mixing and adding them into a distiller; then crystalling by cooling after inputting the materials into cooling pot. According to the invention, the disinfectant can realize continuous dynamic bacteriostasis in crowded public places and prevent cross infection. Besides, the disinfectant can completely volatilize without any residues, which solves the problem that traditional disinfection solutions generate corrosive goods and pollute products and has no secondary pollution.
Owner:上海拜纳环保科技有限公司

Digital section real-time scanning and automatic focusing tracking method

The invention discloses a digital section real-time scanning and automatic focusing tracking method. According to the method, a scanning imaging device and a focusing imaging device are adjusted to have the same view fields; in the digital section scanning process, the focusing imaging device is used for tracking and obtaining the position of a focal plane of the view field rapidly in the movement process of an objective table, a dynamic local section surface mathematical model is built through a computer processing system, the focal plane of a nearby view field is predicted, through continuous dynamic analysis and focusing positioning, it is guaranteed that the scanning imaging device can also obtain a clear focal plane image of each view field in time in the movement process of the objective table, the focal plane position of the nearby view field can be tracked timely and predicted accurately according to the method, focusing action does not need to be performed repeatedly in the nearby view field, and only a single view field image of each view field where the objective table passes by needs to be captured in the continuous movement process of the objective table. The method is high in focusing accuracy, high in speed and capable of achieving rapid scanning and guaranteeing high-resolution digital section images.
Owner:MOTIC CHINA GRP CO LTD

Machine learning based human disease detection methods and detection product

The invention provides machine learning based human disease detection methods and a detection product. The method includes extracting the intrinsic data characteristics of electrocardial vector data,and quantitative index data thereof; constructing a machine learning classification model of the electrocardial vector data characteristics; and assigning corresponding weight values to different classification results identified by the model so that the comprehensive judgment results of human disease detection can be obtained. According to the provided detection method, the technical problems ofthe model processing of electrocardial continuous dynamic signals, the modeling analysis of quantitative data of data characteristics and the auxiliary diagnosis of human diseases can be solved. The detection methods and detection product can improve the accuracy and detection efficiency of human disease detection; and diagnosis effects can be enhanced with the increasing of the quantitative information of the electrocardial vector data characteristics expanded into a database.
Owner:河北默代健康科技有限公司

Method for quasi-continuous dynamic motion correction in magnetic resonance measurements

A method of MR imaging and spectroscopy to reduce artifacts occurring due to the motion of an object to be represented, wherein the object position is determined quasi-continuously during the runtime of the MR acquisition, which includes one or more partial acquisitions (TA), and wherein motion correction is performed, which comprises dynamic adaptation of the frequency and phase settings of the RF system of the tomograph and of the orientation and amplitudes of the gradients during the runtime of the MR acquisition according to the current object position. The motion correction is thereby applied during a signal weighting period, during a signal read-out period, or between and / or during the two stated periods and the adaptations for motion correction are performed without interrupting or slowing the temporal progression of the MR acquisition. In this way, artifacts due to motion of the object to be represented can be further reduced.
Owner:UNIVERSITATSKLINIKUM FREIBURG

Treatment system and treatment method for continuous dynamic aerobic fermentation of organic waste

The invention discloses a treatment system and a treatment method for continuous dynamic aerobic fermentation of organic waste. In the system, a pretreatment part comprises an auxiliary storage bin, an organic waste bin, conveyors, a mixer, a mixing bin and a sieving machine, and the moisture adjustment, nutritive ratio proportionment, mixing, storage and sieving of the organic waste are achieved. An aerobic fermentation roller is a totally-closed external-rotation fermentation roller; the charging and discharging are accomplished by the conveyors; and the air supply and waste gas treatment are conducted by fans and a waste gas treatment tower. A control subsystem immediately adjusts operating conditions of the aerobic fermentation roller and the pretreatment part by monitoring parameters fed back by an on-line detector on the aerobic fermentation roller to achieve the continuous, dynamic and steady operation and timely condition correction of the whole system; the treatment efficiency is improved greatly; the fermentation time is shortened; a treatment effect is improved; and the harmless and resourceful treatment of the organic waste such as sludge, garbage and kitchen waste can be achieved.
Owner:北京中持绿色能源环境技术有限公司

Closed silo composting reactor

The invention relates to the technical field of organic solid waste treatment, in particular to a closed silo composting reactor. The closed silo composting reactor comprises a composting silo, a stirring device, a hydraulic drive device and a discharge screw conveyor, wherein a feed port and an exhaust port are formed in the top of the composting silo; a discharge port is formed in the bottom of the composting silo; the discharge screw conveyor corresponds to the discharge port; the stirring device is arranged in the composting silo; the hydraulic drive device drives the stirring device to rotate and stir. The composting silo adopts vertical closed design, has high effective volume and can increase fermentation temperature, so that the fermentation period is greatly shortened; the stirring device performs continuous dynamic stirring, thereby having stirring, mixing and loosening effects and avoiding material compaction; with the adoption of rotating aeration, effectiveness and uniformity of aeration are improved.
Owner:北京沃土天地生物科技股份有限公司

Simple dynamic sulfur dioxide gas toxicant exposure experimental device

InactiveCN102172336AAchieving decompression earlyQuantitative control in advancePreparing sample for investigationBiological testingToxic gasToxicant
The invention provides a simple dynamic sulfur dioxide gas toxicant exposure experimental device. The device consists of a gas decompression dosing device, a dynamic gas toxicant exposure cabinet / chamber and a waste gas absorption and discharge device, wherein the gas decompression dosing device has functions of directly decompressing and quantifying high-purity sulfur dioxide gas, thus omitting assembly of a special decompression gauge and a flow gauge and realizing quantitative control on toxic gas in advance; the dynamic gas exposure cabinet / chamber ensures that a simulated toxicant exposure environment is closer to a natural exposure environment and concentration of the toxic gas is uniform and accurate and can be regulated and controlled in real time; and the discharged gas meets thesafe discharge standard through the waste gas absorption and discharge device. The overall device has the advantages that operation method is simple, the manufacturing expense is low, and the continuous long-time toxicant exposure can be realized, thus solving the difficulty of continuous dynamic toxic gas exposure for a large number of animals, and realizing sulfur dioxide fumigation for variousfood and industrial materials and the like.
Owner:SHANXI AGRI UNIV

Tracking type coal bunker material level measurement device

ActiveCN102313585ARealize real-time continuous dynamic measurementRealize continuous dynamic measurementMachines/enginesLevel indicatorsInfraredMeasurement device
The invention relates to a tracking type coal bunker material level measurement device and belongs to the technical field of automatic detection and measurement. The tracking type coal bunker material level measurement device is characterized in that the continuous coal bunker material level automatic measurement device consists of a probe 1, a transmission system and a measurement system; the probe 1 is a metal cone hollow body; the whole metal cone hollow body is filled with epoxy resin; an upper limit sensor 2 and a lower limit sensor 3 are mounted inside the metal cone hollow body; the upper limit sensor 2 and the lower limit sensor 3 are reflection infrared photoelectric proximity switches integrating transmitters with receivers; when a material level in a coal bunker is changed, switching value signals output by the upper limit sensor 2 and the lower limit sensor 3 are transmitted to a material level intelligent meter 11 through an electric cable 4; the transmission system consists of a steel wire rope 5, a pulley 6, a motor 7, a speed reducer 8 and a steel wire rope roller 9; and the measurement system consists of a coding sensor 10 and the material level intelligent meter 11. The tracking type coal bunker material level measurement device has the advantages of high measurement precision, long service life and continuous dynamic tracking measurement and is mainly used for measuring the material level of the coal bunker of a coal mine, a coal washery and a power station.
Owner:TAIYUAN UNIV OF TECH

Continuous dynamic intelligent metering mechanism

A scattered solid material intelligent metering device belongs to the automation detection metering technology field, which can be applied widely to industries using a belt transporter for example coal, metallurgy, power generation, characterized in that the device is composed of a funnel 1, downspoutings 2, 3, punchings 4, 5, weighing sensors 6, 7 and an intelligent measuring and control instrument 14. The funnel 1 and the punching 4, 5 form weighing frame structure; the weighing sensor 6, 7 and the intelligent measuring and control instrument 14 form the measuring system; the invention not only has high precision, wide measuring range, reasonable structure, strong overload capacity but also does not change original on site devices. The invention is applied to continuously dynamic scattered solid material metering for example the coal, the dock, the electricity power plant, which replaces traditional electronic belt weigh meter and nuclear scale. The metering device can be used even under condition that the belt weigh meter can not be used, for example, various material transporter and storage material feeding opening of chain board, scrapping board, screw and so on.
Owner:TAIYUAN UNIV OF TECH

Three-dimensional measurement method of laser welding temperature field

The invention relates to a laser welding temperature field 3D measurement method, which comprises the following steps: subjecting grey level images of a melting zone and heat affected zone thereof on the upper and the lower surfaces during welding to temperature calibration of each zone by using the grey level images of a melting zone and a heat affected zone thereof; extracting the dividing contour line of the melting zone, the heat affected zone and a mother material zone; locating the positions of small holes on the upper and the lower surfaces in the welding zone to obtain the axial positions of the small holes inside a welding part, and reconstructing the 3D dividing contour surface of the melting zone, the heat affected zone and the mother material zone; and obtaining the temperature field distribution and the 3D distribution data of temperature fields of the melting zone and the heat affected zone at arbitrary thickness, and constructing a continuous dynamic change models of the temperature fields of the melting zone and the heat affected zone.
Owner:BEIJING AVIATION MFG ENG INST CHINA AVIATION NO 1 GRP

Space-ground integrated network dynamic and static hybrid routing method

The invention discloses a space-ground integrated network dynamic-static hybrid routing method, and aims to provide a dynamic-static integrated hybrid routing method which adapts to the characteristics of continuous dynamic change of space-ground integrated network topology, limited on-satellite load capacity of nodes, long inter-satellite link transmission time delay, unbalanced distribution of carried data flow and the like. According to the technical scheme, the method comprises the steps that a static route sends motion trail information of a satellite-based node to a ground operation andmaintenance management and control center, a routing request is initiated, and the motion trail information of the satellite-based node is obtained; the operation and maintenance management and control center performs time slice division, virtual topological graph construction and original routing table creation by adopting a time virtualization routing algorithm; and after the satellite-based node responds to the routing request and accepts the task, a task route is constructed according to the static routing table, an on-satellite load task is obtained, whether the sending of the data packetsucceeds or not is judged, if the packet sending fails, the route is dynamically reconstructed by adopting a DSR routing algorithm, and if the sending of the data packet succeeds, the transmission ofthe data packet is finished.
Owner:10TH RES INST OF CETC

Material continuous dynamic metering device

InactiveCN103449148ARealize continuous dynamic meteringConveyor partsLoad cellVariable frequency control
The invention discloses a material continuous dynamic metering device comprising a frame, a material storing hopper, a metering hopper and a conveying belt machine. The material storing hopper is located above the metering hopper, the lower portion of the material storing hopper is provided with a material gate, the material storing hopper is integrated with the conveying belt machine driven by a variable frequency motor and is hung on the frame through a plurality of weighting sensors, the weighting sensors are connected with a weighting controller, and the weighting controller is connected with a solenoid directional valve which is used for controlling the material gate to open and close and a variable frequency controller which is used for regulating rotating speed of the variable frequency motor. The material continuous dynamic metering device has the advantages of reasonable design, stable and reliable operation and accurate metering.
Owner:杨林江

Process control system

The inventive process control system makes use of Optimal control (OC) and model predictive control (MPC) techniques for selection of the Expert Systems (ES) targets U. The ES target U is selected in such a way that the performance criterion J is minimized. In other words, a mathematical model of extended system given by the process P and the ES is developed. This mathematical model has hybrid nature in the sense that both continuous dynamics (mostly process) and logical relationships (mostly ES) appear in it. Controlled variables of the mathematical model are the ES targets U and inputs are the measurements y and the performance criterion J. OC and / or MPC techniques are used to compute U. The optimizer of the OC / MPC selects values of the ES targets U only. This activity has lower sampling rates than selection of C, which makes the design of the OC / MPC controlled easier.
Owner:ABB (SCHWEIZ) AG

Ultrasonic based dynamic distance measurement method and system

The invention discloses ultrasonic based dynamic distance measurement method and system, belonging to the technical field of distance measurement. The dynamic distance measurement method comprises the following steps of: sending ultrasonic signals with different frequency spectrum features to a receiving end from a sending end according to a certain frequency and recoding the frequency spectrum features of the ultrasonic signals; receiving wireless signals returned by the receiving end, wherein the wireless signals are transformed from the ultrasonic signals sent by the sending end after the ultrasonic signals are received by the receiving end; and matching and comparing the frequency spectrum features of the ultrasonic signals loaded in the wireless signals with the frequency spectrum features of the ultrasonic signals recorded by the sending end to obtain time differences, and then calculating and determining the distance between the sending end and the receiving end according to the time differences. The method utilizes an ultrasonic technology and a wireless technology to realize the convenient and accurate measurement of the distance between two points in a simple and easy mode and has the advantages of high measurement efficiency, accurate distant measurement result and continuous dynamic measurement.
Owner:BEIJING WUZI UNIVERSITY

Test method and test circuit for dynamic voltage-balancing characteristic and reverse recovery characteristic of SiC IGBT (Insulated Gate Bipolar Transistor) serial connection valve block

The invention discloses a test method and test circuit for dynamic voltage-balancing characteristic and reverse recovery characteristic of SiC IGBT (Insulated Gate Bipolar Transistor) serial connection valve block, and belongs to the technical field of power electronics. From the closely relevant dynamic characteristics in an IGBT direct serial connection application, the test method for dynamic voltage-balancing characteristic and reverse recovery characteristic of SiC IGBT serial connection valve block uses a special test circuit and a fixed frequency multiple pulse method to obtain a continuous dynamic process. The test method of the invention can measure two serial connection valve blocks at the same time and perform different test contents for two times continuously so that one test process is finished, thus being simple and efficient for the test.
Owner:STATE GRID CORP OF CHINA +2
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