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372 results about "Continuous dynamic" patented technology

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

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

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

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

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

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

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

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

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
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