143results about How to "Realize real-time observation" patented technology

The multi-channel data acquisition system provided by the present invention includes an acquisition computer, an acquisition display and an acquisition end printer, the acquisition computer is equipped with a plurality of A/D acquisition cards and a buffer, and each A/D acquisition card input terminal is provided with a voltage Isolation conditioner, the acquisition computer is connected to the control computer and the echo computer through the back end of the Ethernet, the control computer is installed with a dual-screen display card, and connected to the master and slave monitors and the control terminal printer respectively, and the echo computer is connected to the echo display and the echo printer. The invention also provides a method for multi-channel data acquisition. The invention has the advantages of being able to measure multiple channels, suitable for multi-signal recording occasions, convenient display and printing of data and waveforms, high degree of automation and accuracy, and conducive to intelligent acquisition, especially suitable for rocket launching and weapon testing , petrochemical and other dangerous and heavily polluted on-site signal detection and recording occasions.

The invention discloses an under-actuated unmanned ship target enclosing controller structure and a design method. The structure comprises a position calculation unit, a speed observer, a fuzzy approximator, a distance controller, a heading controller and a dynamic controller. The position calculation unit receives the unmanned ship state inforamtion and the target relative position information. The speed observer receives the unmanned ship speed information. The distance controller receives a given surrounding distance. The dynamic controller is connected with a controlled under-actuated unmanned ship and the fuzzy approximator. The fuzzy approximator receives the unmanned ship state information. The structure realizes the enclosure control of the unmanned ship over a time-varying speed target. The controller can estimate the relative dynamic information by using the unmanned ship state information and the target relative position information, and designs a control rate based on a backstepping method. The controller can achieve target enclosing control only by using an angular velocity signal. Thus, the structure is suitable for both full-actuated unmanned ships and under-actuatedunmanned ships.

The present invention discloses a control device of full-automatic constant flow capacity ultrafiltration water treatment. It is characterized by that said invention utilizes water inlet pressure transmitter, dense water pressure transmitter, pressure transmitter and water outlet flow rate sensor and makes them be resectively connected with analog input module; utilizes water-feeding pump and reverse washing pump and makes them be connected with analog input/output module by means of frequency converter; utilizes water intake flow rate sensor and makes it be connected with analog input/output module; makes the analog input module and analog input/output module be connected with programmable controller and makes the programmable controller be connected with 8 electromagnetic valves so as to implement constant flow capacity full-automatic operation and control of said water treatment system.

The invention discloses a shafting oscillation suppression control system for a double-fed wind generator set under power grid voltage symmetrical swell, and a method thereof. The shafting oscillation suppression control system is characterized in that a torque differential compensation module consisting of a speed differential module, an electromagnetic torque observation module and a torque differential module is arranged in the control system; and a rotor resultant torque is obtained through the speed differential module. Through adoption of the shafting oscillation suppression control system and the method thereof, the fan transmission shaft torque, the electromagnetic torque and the motor rotating speed oscillation can be suppressed under power grid voltage swell, and the shafting low-frequency oscillation attenuation of the wind generator set is accelerated, so that abrasion of a fan transmission shaft and a gearbox in the case of electric network faults is reduced, and the service life of the fan transmission shaft is prolonged.

The invention discloses an intelligent port marine environment real-time monitoring system mainly comprising a shore system, an energy and data transmission system and an underwater observation platform. The monitoring system carries out 220V alternating-current voltage transmission and data interaction by using a submarine cable based on a power carrier technology, realizes acquisition, processing and control of diverse data as well as simultaneous real-time observation of conventional submarine environmental factors and submarine video, and realizes on-line and wireless real-time observation via network communication modules integrating communication modules of 4G, TCP/TP, Beidou satellite and the like; simultaneously, special cables are not needed, and the existing power line can be directly transformed, so that the construction and transformation costs are reduced, grid-connection usage is facilitated, a monitoring and command system capable of fusing marine environment data to a port in real time is provided for pilots, and simultaneously, long-term observation can also be realized at an island and other places via an integrated generator set and a new energy generator.

The invention discloses a method and system for nanometer optical coherence tomography (OCT) imaging based on broadband stimulated radiation. A chromophore positioned in an excited state is caused to quickly return to a ground state by utilizing the stimulated radiation rather than spontaneous radiation, and a broadband detection light source is adopted to achieve coherent detection of stimulated radiation fluorescence signals. The improvement of axial and transverse resolutions is achieved through a broadband light source technology and a stimulated radiation loss technology respectively. An ultra-broadband light source is adopted to serve as a detection light source, and the axial resolution from a submicron grade to a hundred-nanometer grade can be achieved. The nanoscale transverse resolution can be achieved by adopting a point spread function regulation technology based on stimulated radiation loss. Compared with conventional fluorescence imaging, according to the imaging method, the imaging speed can be greatly improved. According to the method and system for nanometer OCT imaging based on broadband stimulated radiation, not only is the nanometer resolution of the OCT imaging achieved, but also a fluorescence imaging function of the OCT is expanded, and the method is provided for optical imaging of the non-fluorescent chromophore.

The invention provides a non-rotary optical rotation solution gauge and a method for measuring the specific rotation of optical rotation solution through the gauge, relates to a method for measuring the optical rotation solution, and solves the problem that the conventional instrument for measuring the optical rotation material requires that an analyzer is continuously rotated when the specific rotation of the solution is measured to confirm the rotating angle of a vibrating surface of the optical rotation solution. The method comprises the following steps: utilizing light beams emitted by a light source element to be incident to a polarizer; enabling linearly polarized light polarized by the polarizer to be incident to a test tube filled with optical rotation solution; enabling the linearly polarized light passing by the test tube filled with optical rotation solution to be incident to a polarization displaying device; enabling the linearly polarized light displayed by the polarization displaying device to be incident to a light sensing surface of an image collecting device; sending image information collected by the image collecting device to a PC; calculating the difference value of the polarization direction of light beams in light beam information obtained after the solution to be measured is measured and the polarization direction of light beams in light beam information obtained through a solution not measured through the PC, so as to obtain the optical rotation theta of the solution to be measured; finally obtaining the specific rotation of the solution to be measured. According to the invention, the gauge and the method can be used for measuring the optical rotation solution.

The invention relates to the technical field of soil humidity measurement, and in particular relates to a device for measuring the surface domain soil humidity based on global navigation satellite system-reflection (GNSS-R). The device comprises a case; the case is internally provided with a GNSS reflected signal receiving antenna, a GNSS direct signal receiving antenna and a GNSS-R soil humidity measurement mainframe; the GNSS-R soil humidity measurement mainframe is fixed by a bracket I; the device is compact in structure and convenient to use, and is capable of integrating signal receiving processing, soil humidity inversion and humidity data transmission. The invention also provides a method for measuring the soil humidity; the method comprises the steps of carrying out partition on the area covered by the GNSS reflected signal receiving antenna according to different code delay by adopting an ICF specific value calculation method; carrying out weighted summation on the related power corresponding to the area according to partition size, then estimating the soil surface reflectivity, and calculating the dielectric constant of the soil to obtain a stable and reliable soil humidity measurement result; finally, transmitting the soil humidity data in real time by a 3G technology to realize real-time observation for the measurement result.

The invention belongs to the technical field of micro-chemical engineering and particularly discloses a microreactor adopting a metal and transparent plastic composite structure and an application of the microreactor. Transparent plastic is used above an absorption-reaction microchannel to serve as an upper sealing plate in the microreactor, the upper sealing plate is a window of the microreactor, grooves are engraved in the periphery of the absorption-reaction microchannel, and sealing pads are embedded in the grooves for sealing and prevent liquids from leaking between plates; the microreactor is also provided with a heat exchange channel below the absorption-reaction microchannel, and the rest structures except the window are made of heat conductive metal materials. The metal and transparent plastic composite structure is adopted, fluid flowing or reaction conditions in the uniform temperature field (temperature difference smaller than 0.5 DEG C) in the microreactor can be observed in real time, the fluid behavior in the microreactor can be studied, and flowing, reaction and heat transfer performance in the microchannel can be further studied.

The invention provides a submicron-precision multi-pin direct writing type 3D printer comprising material cylinders, a nanoscale-locating-precision three-axis platform, a glue dispensing machine and aprinting platform. Print pins are arranged at the front ends of the material cylinders. The glue dispensing machine is connected with the material cylinders through gas pipes. The nanoscale-locating-precision three-axis platform comprises a X-axis displacement platform, a Y-axis displacement platform and Z-axis displacement platforms. The X-axis displacement platform and the Y-axis displacementplatform are used for adjusting the position of a print platform. The material cylinders are installed on the Z-axis displacement platforms and can move up and down along with the Z axis. Imaging systems following the filament discharging process and printing process of submicron-scale printing pins are arranged above the material cylinders on the Z-axis displacement platforms. Each imaging systemcomprises a CMOS camera, a telecentric lens and an objective lens. Compared with the prior art, the submicron-precision multi-pin direct writing type 3D printer adopts capillary glass micro-pins as printing pins and combines the nanoscale-precision locating platform, the multi-material-cylinder structure, a laser calibrator and the imaging systems, so that high-precision multi-material printing can be achieved.

The invention discloses an online life prediction method for a lithium battery based on data fusion and an ARIMA model. The method comprises the following steps: 1, collecting equal-voltage discharge,charging time interval and battery capacity data of the lithium battery; 2, calculating the fusion weight of a data layer and fusing the data; 3, training and estimating parameters of the ARIMA modeland checking the ARIMA model; 4, predicting RUL and next-period SOH through the ARIMA model according to the data fused in the step 2; and 5, inputting battery state observation data acquired onlinein real time, repeating the steps 2 to 4, and updating the ARIMA prediction model to realize online prediction. According to the method, the service life of the lithium battery is predicted online based on data fusion and the ARIMA model, the service life is predicted more precisely, an online service life prediction function of the lithium battery is realized, and the reliability of the lithium battery of a spacecraft is analyzed.

The invention relates to a satellite-ground link chromatography vertical cloud field system and method based on a ground antenna array. The system comprises a satellite receiving antenna, a satellite receiver, a synchronous control module, an Internet of Things information transmission module, a cloud processing computing platform and a display platform. The satellite receiving antenna is used for tracking and receiving a downlink signal of a polar orbit satellite and collecting the signal strength and the signal quality of the downlink signal; the satellite receiving antenna and the satellite receiver jointly form a satellite receiving device; the synchronous control module is used for controlling azimuth angles and elevation angles of satellite receiving antennas; the Internet of Things information transmission module is used for transmitting the signal intensity and the signal quality acquired by the satellite receiving antenna to the cloud processing computing platform; the cloud processing computing platform is used for performing time sequence matching, preprocessing and inversion computing on the multiple satellite signals to obtain cloud field information; and the display platform is used for performing three-dimensional visual display on the vertical distribution of the cloud field. The chromatography vertical cloud field is scanned through a plurality of satellite-ground links to realize high-resolution reconstruction of the vertical distribution of the atmospheric cloud field.

The invention discloses a rotation illumination-based surface wave imaging system. The rotation illumination-based surface wave imaging system comprises an oil-immersed microscope objective (1), a beam splitter (2), an imaging pipe lens (3), an image surface detector (4), an objective back focal plane scanning galvanometer (5), a polarization modulation device (6), a polarization separation device(7) and a surface wave imaging substrate (8), wherein a surface wave such as surface plasmon resonance or Marc Bloch surface wave can be effectively constrained on a surface of a substrate and is very sensitive to environmental change, the surface wave is simulated by laser to act with a surface sample by the objective, the signal-to-noise ratio is improved by the polarization separation device,and trailing brought by imaging after the surface wave acts on the sample is eliminated by a galvanometer scanning system. The device initially uses rotation illumination to improve the signal-to-noise ratio and the resolution of micro imaging of the surface wave, and a multi-layer dielectric film photonic band gap structure is initially used for performing micro imaging of the surface wave.

The invention discloses a solid-solid phase transition rate measurement device and method for a solid material, which can measure weak phase transition rate under a small quantity of weak reactions and perform measurement and analysis on fast phase transition rate. The solid-solid phase transition rate measurement device disclosed by the invention comprises a vacuum heating chamber, wherein the vacuum heating chamber is connected with a gas source device, a sample heating table is arranged in the vacuum heating chamber, the sample heating table is connected with a heating temperature control mechanism, a glass window for enabling an infrared thermal imaging instrument to measure is formed at the top of the vacuum heating chamber, and the high-resolution and high-speed infrared thermal imaging instrument is arranged outside the glass window. By using the solid-solid phase transition rate measurement device and method disclosed by the invention, the change in phase transition rate in the whole transition process can be measured, and the real-time observation of the phase transition process can be realized.

The present invention relates to a visible puncture outfit for curing stress incontinence by using vaginal suspension. It mainly includes the following several components: main lens body, main lens cylinder, eyepiece cover with eyepiece glass, objective glass, light beam connecting tube, image rod, optical lens, water-feeding channel, water-returning channel, water-feeding valve and water-returning valve. Said invention also provides its working principle and its concrete operation method.

The invention discloses a device for detecting physical properties of a micro-nano-scale substance. The device comprises a support frame, a high-precision positioning platform and a focusing device. The support frame is composed of an upper support plate and a lower support plate. The high-precision positioning platform is composed of a three degree-of-freedom nano-precision displacement table anda two degree-of-freedom micron-precision displacement table. The three degree-of-freedom nano-precision displacement table and the two degree-of-freedom micron-precision displacement table are orderly arranged above the support plate. The nano-precision displacement table is provided with a sample stage. The top of the upper support plate is provided with a triangular mounting plate through a connection rod. The triangular mounting plate is provided with a probe lifting motor and a probe holder. The probe holder clamps a probe. A focusing device includes a microscope tube, a focusing motor, aCCD video sensor and an objective lens. The objective lens and the CCD video sensor are mounted on the microscope tube. The microscope tube is mounted on the focusing motor. The lower support plate is equipped with a two degree-of-freedom coarse adjustment displacement table. The focusing motor is installed on the coarse adjustment displacement table.

The invention provides a laying device and method for a seabed horizontal direction sensor array. The device comprises a device main frame; four horizontal sensor array belt supporting plates are arranged on the outer sides of the four vertical faces of the main frame, sensor array belts are arranged on the sensor array belt supporting plates and bound and fixed through fixing cables, and slidingrings at the ends of the cables are connected in series through electrochemical fuse wires. The sensor array belt comprises a water hose for providing unfolding power and a plurality of combined sensors, and a temperature sensor, a pressure sensor, a sensor signal conversion circuit board, an acceleration sensor and a conductivity sensor are sequentially installed in each combined sensor. According to the technical scheme of the invention, the device for automatically distributing the sensor array is researched and developed for the first time for the work of distributing the sensors in meter-scale distance within a hundred meters range of the surface of the seabed. The whole set of system can realize long-time real-time observation of observation data, and publish related early warning information. An underwater robot does not need to be rented, equipment rental and personnel employment expenses are saved, and ship hours are effectively saved.

The invention discloses a front protection control method, comprising the following steps: transmitting an image of a target object shot by a first projection device to a projector for projection to form a projection area; detecting the operation of a specific gesture on the projection area according to the image of a projection area shot by a second projection device, when the projection area is operated by the specific gesture, generating a first detection signal; retrieving a plurality of symbols to the projector for projection so as to form a plurality of control panels of the control symbols in the projection area according to the first detection signal; detecting the operation of the control symbols according to the image of the control panel shot by a third projection device; and when the control symbols are operated, generating a second detection signal corresponding to the operated control symbol; and carrying out corresponding control movement on the first projection device, the second projection device, the third projection device or the projector according to the second detection signal. The invention also provides a front projection control system; and by utilizing the front projection control system and method thereof, the projection of the target object can be flexibly controlled.