290results about How to "Real-time observation" patented technology

An microfluidic device and methods for its use, where the microfluidic device comprises: (a) a porous membrane, (b) a gradient layer defining a plurality of gradient micro-channels, where the gradient layer is coupled to a top surface of the membrane, (c) a distributor layer defining a plurality of distributor micro-channels, where the distributor micro-channels are coupled to the plurality of gradient micro-channels, where the distributor layer defines at least one inlet opening and at least one outlet opening, each inlet opening and outlet opening are coupled to the plurality of distributor micro-channels, and (d) self-supporting means coupled to one or more of the porous membrane, the gradient layer and the distributor layer.

The invention relates to a test system and a test method for the dynamic bending fatigue property of a small-scale thin film material. The test system comprises an electromagnetic driving part, a sample holding part and a measuring and observing part, and the system provides functions and a test method for dynamic bending fatigue property test for the thin film materials used for various micro / nanoelectronic mechanical systems and supported with matrix or without matrix, the metalized interlinking body foil material used for an integrated circuit and various two-dimensional thin plate type materials and can record in-situ real-time monitoring and analysis to the appearance of the tested sample. The free end of the cantilever beam sample is driven under the electromagnetic force of the electrified coil in the stationary magnetic field to reciprocate relatively to the equilibrium position thereof, thus various types of cyclic fatigue loads can be applied to various material samples, and the precision of the applied fatigue loads can reach the millinewton magnitude. The invention can be used to evaluate the fatigue property and the fatigue crack growth behaviors of various thin film materials.

The invention belongs to the technical field of coal mine gas disaster prevention and control as well as coal-bed gas extraction, and discloses a simulating device and method for a diameter change rule of a gas extraction borehole. The device comprises a true triaxial pressure test device, an optical borehole deformation observation device, a coal mass crack evolution observation device and a main machine. The magnitude of stresses in different directions is changed through the true triaxial pressure test device, and the diameter change rule of coal masses with different strength at different stress states can be researched by the aid of the optical borehole deformation observation device; real-time observation and image shooting can be performed on crack evolution of coal masses around the extraction borehole through a microscope and a camera of the coal mass crack evolution observation device. The device and the method have the important significance in determination of the reasonable gas extraction time and the effective extraction radius as well as optimization of the borehole arrangement manner.

The invention discloses a colorful blood flow imaging based on an ultrasonic Doppler frequency spectrum and a display method thereof. The display method comprises the following steps: (1) selecting a sampling door which is large enough; (2) dividing the sampling door into M sub-doors; (3) calculating the frequency spectrum of a time series summed in every sub-door; (4) calculating the upper and lower envelope curves of the frequency spectrum corresponding to every sub-door, determining an effective frequency band analysis area, and calculating the average blood flow speed and a mean square error in the effective frequency band analysis area; and (5) converting speed and variance yields into colorful codes and displaying by using a preset color mapping table. According to the display method provided by the invention, a plurality of doors are utilized to obtain the flow velocity and variance distribution at different positions along the cross section of a blood vessel, therefore, the distribution of the blood flow in a spatial position can be observed better, the volume and blood flow velocity can be measured more precisely, and the colorful blood flow imaging has an important clinical meaning on the diagnosis of cardiovascular diseases.

The invention discloses an LED lamplight wireless controlling system, comprising: lamplight scene file website unit to provide downloadable lamplight scene files for subscribers through Internet and receive the uploaded lamplight scene files edited by subscribers with lamplight scene software; local computer unit to utilize the installed lamplight scene software to edit lamplight effects, log on the lamplight scene website unit and download and upload the lamplight scene files and convert them into data format LED unit can recognize, and download the converted data to wireless private area network unit; wireless private area network unit to receive lamplight scene data from the local computer unit and store them to control LED unit; LED unit to receive the control signal from the wireless private area network unit to implement specific lamplight effect. And the invention flexibly controls LED lamplight, very easy to extend system.

The invention provides a telescopic crossed yoke fluorescent magnetic powder inspection machine. A crossed yoke comprises a fixed yoke parallel to the surface of a workpiece to be tested and a moving yoke perpendicular to the surface of the workpiece to be tested, the moving yoke passes through a sliding bushing and is in sliding connection with the fixed yoke, and the moving yoke is provided with a pressure spring. The invention successfully realizes that each magnetic pole of the magnetic powder inspection machine has telescopic function so as to closely contact the workpiece by dividing the crossed yoke into the fixed yoke and the moving yoke, thereby guaranteeing the magnetic-field intensity during the fault detection. The magnetic powder inspection machine is also provided with a CCD image acquisition device, and realizes the program control of working procedures of feeding, magnetization, CCD observation and discharge as well as on-line detection monitoring and automatic fault detection through the program control operation of a PLC.

The invention relates to an insect breeding bottom and a breeding method of gynaikothrips ficorum and belongs to the field of insect breeding and insect ecology. A bottom body is in a cone frustum shape with large top and small bottom and is in sealing match with a bottle cover, a magnifying glass is installed at the center of the bottle cover, a plurality of venting holes are evenly distributed on the bottle cover, and a filter screen is installed on the venting holes. The method utilizing the insect breeding bottom to breed the gynaikothrips ficorum comprises (1) collection of eggs, (2) hatching of the eggs, (3) breeding of nymphs and (4) breeding of imagoes. By using the breeding method, the hatching rate, survival rate and eclosion rate of the gynaikothrips ficorum are high, massive thrips of various insect states which are orderly in age and high in vigor can be obtained, and form changes and the whole life history of the gynaikothrips ficorum can be observed in real time.

The invention discloses a control system and a control method for carrying an automated guided vehicle (AGV), which belongs to the field of electromechanical integration and is based on mutual communication between single AGVs with PLC as a main control module and the overall scheduling. The control system connects a variable to the PLC and changes the corresponding variable through wireless communication so as to realize the function of AGV real-time control. At the same time, the AGVs feed back the data in real time, including the specific positions of the AGVs and signal communication in a control area. The control system realizes traffic control of multiple AGVs, and memory variables of a host computer are used for real-time assignment to each control area marker, so as to control each AGV in real time. For each AGV, there are both automatic and manual operating modes, where there are real-time orbital transformation and speed selection functions in the automatic state. The control system and the control method of the invention can be widely used in intelligent warehouse transportation and factory transportation occasions with high efficiency, great convenience and high speed.

The invention relates to a multicomponent micro droplet microfluidic chip and a processing method thereof. The provided multicomponent micro droplet microfluidic chip is formed by a covering layer (A), a hydrophobic chip layer (B), a hydrophilic layer chip layer (C) and a base layer (D) which are stacked sequentially. The invention further provides a processing method of the multicomponent micro droplet microfluidic chip.

The invention discloses a soft soil area underground continuous wall leakage detecting system, solves such defects as complex construction, difficult measurement and lower accuracy of measured results, and measures specific positions of leakage points more accurately. The transport process of underground ions and the gathering process of the underground ions are observed in real time, so that the specific positions of the leakage points can be obtained more quickly and accurately. The soft soil area underground continuous wall leakage detecting system relates to a underground continuous wall, an observation well, a precipitation well, a soft soil layer, an aluminum electrode, an electrifying device, an electrifying device positive pole, an electrifying device negative pole, an in-pit ground, an out-pit ground, the leakage points, aluminum ions, a sampling device, a slide cover, a bracket, an opening cylinder, a gauze, a separation plate, a round hole, a sensor, a circuit, a circuit fixator, a circuit negative pole and an acquiring system. The underground continuous wall is not limited by thickness and depth. The observation well is used for observing change of an underground water level on the outer side of a foundation pit; the gap and the depth of the observation well are determined according to actual engineering; and the observation well also can serve as a foundation pit outer side precipitation well. The precipitation well is a foundation pit inner side precipitation well, and can be used for observing a underground water level on the inner side of the foundation pit. The soft soil layer is a soil layer suitable for an electroosmosis method.

The invention relates to a method and a device for controlling a welding process based on stability of a perforated molten bath, and belongs to the technical field of welding equipment. The problem of electric arc skewing in the welding process is solved by the self rotation of a welding torch, the problem of change of welding positions during different-thick plate welding and misalignment welding is solved by the transverse movement of the welding torch, the problem of all-position welding is solved by the pitching of the welding torch, and the decoupling of welding torch movement and welding wire movement is realized by the respective control of the welding torch and the wire feeding system so as to control the arc striking and perforating during thick plate welding. The device is a special welding machine head for controlling the welding process based on the stability of the perforated molten bath. The method and the device have the advantages that the special plasma welding machine has higher integration degree, and the wire delivering system, the arc pressure control system, the rotation, extension and retraction of the welding torch, a camera monitoring system and the transverse movement and adjustment are organically combined into a whole; and the maintenance of a welding mechanism system is very easy.

The invention discloses a machining method of a micro-drop and micro-fluidic control chip. The method comprises the following steps: (1) designing and prefabricating a channel structure of the micro-drop and micro-fluidic control chip; (2) cutting component sheet glasses matched with the channel structure on a glass slide; (3) constructing the channel structure on a substrate by the component sheet glass; arranging a cylindrical glass capillary tube with a tapering tail spine and a cylindrical capillary tube in a microchannel of the channel structure, inserting the tail spine of the cylindrical glass capillary tube with the tapering tail spine into the cylindrical glass capillary tube and coaxially arranging the cylindrical glass capillary tube and the tail spine; and then linking a cover glass; and (4) inserting a plain end of the cylindrical capillary tube with the tapering tail spine into a thin tube with the inner diameter matched with that of the cylindrical capillary tube, and then inserting the thin tube into a gas between the component sheet glasses. According to the machining method, the process technology of the micro-drop and micro-fluidic control chip does not adopt a traditional etching method, so that the complicated processes such as photoetching can be avoided, the related expensive equipment can be omitted, and the dependence on professionals for MEMS (Micro Electro Mechanical System) can be abandoned.

The invention provides a V2X test method and a system. The V2X test system comprises a simulation system, a vehicle dynamics model system and tested equipment. The method comprises the steps of building a virtual test scene by using a simulation system, wherein the virtual test scene comprises lanes, a main vehicle virtual simulation vehicle model corresponding to the tested equipment and an infrastructure equipment model; in the test stage, the simulation system outputs main vehicle information and peripheral equipment information to the tested equipment; the main vehicle information and theperipheral equipment information are used for the tested equipment to generate a control command; the simulation system receives a vehicle control command returned by the vehicle dynamic model system;the vehicle control command is obtained by converting the control command by the vehicle dynamic model system; and the simulation system dynamically displays the main vehicle virtual simulation vehicle model according to the vehicle control command. By using the technical scheme provided by the invention, the participation of a real vehicle is not needed, so that the test can be carried out without producing a sample vehicle, the vehicle model research and development period is shortened, and the cost is reduced.

The invention relates to an enclosed photobioreactor apparatus based on a process mass spectrometer, and an alga cell growth process monitoring method. The enclosed photobioreactor apparatus provided in the invention comprises: an enclosed photobioreactor which comprises a culture tank, a light source providing illumination, a stirring system, a gas inlet pipeline, and a gas outlet pipeline; and an online process mass spectrometer system which is connected or integrated with the enclosed photobioreactor, and is used for analyzing the outlet gas. The apparatus and the method have the characteristics of directness, real time, accuracy and the like.

The invention provides a buoy-based long-time on-line monitoring apparatus for the sea cloud height. The apparatus comprises a buoy; and a laser ceilometer, a buoy attitude measuring module, a cloud height correction and compensation module, a communication module, and a meteorology and hydrology observation sub system. The buoy attitude measuring module is used for measuring attitude parameters, like a heading parameter, a rolling parameter and a pitching parameter, of a buoy platform; the cloud height correction and compensation module is used for realizing cloud height observation correction and compensation based on the attitude parameters of the ceilometer; and the communication module is used for uploading the data that can be used by users. According to the invention, buoy-based laser radar cloud height observation is carried out and the measurement result is accurate and reliable; off-shore, long-term continuous, real-time, high-precision, high-temporal-spatial-resolution marine environment monitoring on the cloud height, cloud thickness, and conventional marine meteorology and hydrology can be realized; an accurate and reliable data support can be provided for scientific researches of marine atmosphere, weather forecasting, ocean shipping, and naval drills and the like; and thus the apparatus has important significance in development of multiple fields like the marine economy, the marine science and technology, and the legal rights safeguarding on the sea.

The invention relates to an in-situ long-term real-time observation system and method for the deep-sea engineering geological environment. The in-situ long-term real-time observation system comprisesobservation instruments, a mat-supported carrying platform, an observation data relay and transmission buoy system, a remote observation data management server, a client and a matched release and recovery method. The observation instruments and the carrying platform are laid and recycled through a hydraulic penetration mechanism, an acoustic releaser and an underwater robot. The observation instruments and the mat-supported carrying platform are integrated with seawater batteries, and relay and transmission buoys are integrated with solar batteries, thereby realizing self power supply of a submarine observation platform and a sea surface data relay system. The remote observation data management server and the client can query and download the observation data and change parameter settings.The in-situ long-term real-time observation system overcomes the defects that a submarine observation network is long in construction time and great in capital investment and that the common mat-supported observation station cannot be powered by itself or perform real-time data transmission, realizes in-situ, long-term and real-time observation for the deep-sea engineering geological environmentand can be applied to projects such as long-term monitoring for the deep-sea hydrate mining environment and the like.

The invention discloses a soft rock weathering and breaking experimental apparatus and an experimental method thereof. The soft rock weathering and breaking experimental apparatus is placed on a frequency modulatable vibrating table and is provided with a transparent inner barrel and an outer barrel. A required volume of water can be added by a water inlet on a barrel upper cover; a water outlet and a gas delivery opening are formed at the bottom of the experimental apparatus; a plurality of layers of round hole sieve plates are arranged in the inner barrel; hole diameters of the round hole sieve plates are sequentially decreased from top to bottom according to a standard sieve hole size of a laboratory; micro high-strength frequency modulatable fluorescent lamps and monitoring probes are placed in the interval between the inner barrel and the outer barrel above each sieve; geotechnical cloth is arranged for isolating soil and filtering water. According to the soft rock weathering and breaking experimental apparatus and experimental method which are disclosed by the invention, effects of variable natural factors on soft rocks are controlled in a room by simulation so as to research influence of each factor on soft rock weathering; by the monitoring probes, the weathering and breaking process of each layer of soft rock particles can be observed and recorded, and the weathered broken rock particles can be automatically sieved and are continuously weathered and broken; the soft rock weathering and breaking experimental apparatus and experimental method have the advantages of being visual, convenient, rapid, accurate and the like.

The invention discloses a three-dimensional concrete structure reinforcement interactive method and belongs to the technical field of three-dimensional concrete structure reinforcement. The method is technically characterized by including the following steps of (1) constructing a main reinforcement section; (2) establishing a steel bar group; (3) setting basic information of the steel bar group; (4) establishing a steel bar subgroup; (5) performing sketch modeling to a main portion of the steel bar subgroup; (6) setting end portions of the steel bar subgroup; (7) arranging the steel bar subgroup; and (8) after arranging one steel bar subgroup, returning to the step (4) and then starting to configure a new steel bar subgroup under the current steel bar group based on the current constructed reinforcement section, or returning to the step (2) and configuring a new steel bar group based on the current reinforcement section, or retreating from the whole interaction directly. The three-dimensional concrete structure reinforcement interactive method is clear and concise in logic, high in friendliness, flexibility and completeness and is used for reinforcement of three-dimensional concrete.

An embodiment of the invention provides a physical sign signal detection method and a physical sign signal detection device and belongs to the field of health monitoring. The physical sign signal detection method includes acquiring a plurality of first signal value groups, every first signal value group includes a first pulse signal value, a first moving posture signal value and a physical sign signal value; inputting all groups of the first signal values into a pre-established deep learning algorithm model for training so as to obtain a weight matrix; acquiring second pulse signal values and second moving posture signal values which are to be detected, and inputting the second pulse signal values and the second moving posture signal values into the weight matrix for detection so as to obtain predicted physical sign signal values. The physical sign signal detection method is capable of detecting the physical sign signal values effectively and accurately through the weight matrix obtained through training by the deep learning algorithm model, so that real-time monitoring and observation of self health are achieved.

The invention provides an NB-IoT based remote medical monitoring system and method, relating to the technical field of computer Internet-of-Things. The NB-IoT based remote medical monitoring system includes a device sensing layer, a network transmission layer, an Internet-of-Things platform layer and a medical monitoring application layer. An NB-IoT communication module is arranged inside a medical sensing device, and regional network restrictions are reduced by means of the technical advantages of NB-IoT such as low power consumption, wide coverage, low cost, large capacity or the like. A patient can record body index data anytime and anywhere by wearing the medical sensing device and the body index data is uploaded to the medical monitoring system through the NB-IoT, so medical resourceshortage in a hospital is alleviated and doctors can observe or analyze the body index data of the patient in real time. For abnormal index data, the system will actively give an alarm to provide a reference basis for diagnosis made by the doctors.

The invention provides a small multi-purpose cell culturing and testing device. With the adoption of the device, the cell culture and micro-fluidic chip perfusion experiment can be carried out, and meanwhile, in the culturing and testing processes, the cells can be observed in real time. The device comprises an upper cover, a clamp and a bottom shell, wherein the upper cover comprises an upper cover heater, an upper cover window, a micro-fluidic chip interface, a liquid flow channel, an air injection hole and an upper cover heater electric wire hole; the clamp is a micro-fluidic chip clamp or a culture dish clamp; the bottom shell comprises a gas sensor, a temperature sensor, a humidity sensor, a bottom shell heater electric wire hole and a bottom shell window. The small multi-purpose cell culturing and testing device is simple in structure, small in size and low in cost, the real-time observation is available, and the device is suitable for multiple purposes including cell culturing and testing.

The invention discloses an automatic energy dispersive X-ray fluorescence analysis test platform. The automatic energy dispersive X-ray fluorescence analysis test platform comprises a sample chamber, a stepping motor and an electric cylinder. The sample chamber and a seal plate form a closed chamber. The stepping motor is fixed to a tray. The tray is connected to a bracket. The bracket is connected to the electric cylinder. A rotation shaft of the stepping motor passes through the seal plate and enters into the closed chamber. The rotation shaft of the stepping motor is provided with a sample support. The sample chamber is provided with an X-ray pipe, a camera and a detector. The closed chamber is communicated with a vacuum pump. The camera is connected to a computer. The automatic energy dispersive X-ray fluorescence analysis test platform reduces measure errors, reduces detector-caused pollution, improves a light element detection capability and improves detection efficiency.

The electronystagmograph consists of infrared video nystagmus image collection device, eyeball motion tracing system, computer analysis processing system and nystagmus monitor, of which the said infrared video nystagmus image collection device is connected in video signal connection with the eyeball motion tracing system which is connected in electric connection with the computer analysis processing system, and the computer analysis processing system is connected in video signal connection with the said nystagmus monitor. The present invention provides also an automatic generation method for video electronystagmogram which can effectively storten clinical detecting time by real-time recording and analysing of physiological parameter for nystagmus at vertical parallel are rotary directions.

The invention discloses a method and system for automatically identifying and monitoring a screen with mouse activities. The method comprises the following steps: obtaining mouse position information of an analog machine operation terminal where a mouse is disposed from an OT server of a maser control chamber operation station in real time; carrying out one-to-one comparison between the obtained mouse position information and multiple groups of picture coding information stored in a predefined mode; and if the mouse position information is the same as one piece of the picture coding information, indicating a picture on a multi-picture monitoring terminal. Since the mouse position information is obtained in real time from the analog machine end and then is compared with the multiple groups of picture coding information of the prestored monitoring terminal one by one, and the picture where the mouse is currently disposed is indicated according to a comparison result, an analog machine instructor or examiner can accurately track and observe the operation process of an operator at the analog machine end in real time at a monitoring terminal, knowledge and skill deviations of the operator can be discovered and corrected in a training process in a more relevant mode, and the quality and the effect of teaching and training are improved.

The embodiment of the invention discloses a printed circuit board (PCB) production management system, which comprises a plurality of clients and at least one server. The clients respectively comprise a production management unit, an information display unit and a data interaction unit. Each production management unit is used for managing product information, production process information and delivery information; each information display unit is used for providing an operation interface and displaying the information of the production management unit, which is obtained from the data interaction unit. The servers respectively comprise a database unit and a data interface which are respectively used for providing a data support to the clients; the date interaction unit of the corresponding client is connected with the data interface of each server and is used for sending the information of the production management units to the corresponding database unit for storage and receiving data of the corresponding database unit. By adopting the PCB production management system disclosed by the embodiment of the invention, a manager can perform statistics and observation on progress, problems and details in a production process in real time and in detail, and therefore, management requirements in the PCB production process are met.

The invention discloses a dual-targeting ultrasonic contrast agent and a preparation method thereof. The contrast agent is an Integrin alpha v beta 3 / MCP-1 dual-targeting micro-vesicle, the dual-targeting micro-vesicle comprises a lipid shell and a gas inner core, and the external surface of the lipid shell is connected with an Integrin alpha v beta 3 monoclonal antibody and an MCP-1 monoclonal antibody. Through the combined application of different target spots, the targeting efficiency of the contrast agent can be effectively increased, and the degree of enrichment of the carrying genes in the target tissue can be greatly increased. In addition, the contrast agent disclosed by the invention is an ultrasonic contrast agent with double functions of development and treatment, and tumor images can be accurately observed in real time through an ultrasonic imaging system; and after gene transfection is realized through high-strength ultrasonic irradiation, the tumor gene treatment effect can be achieved.

The invention provides a CameraLink image processing device and a photoelectric rotating tower, and relates to the technical field of a photoelectric rotating tower. The CameraLink image processing device comprises a FPGA processing module, a DSP processing module and a power supply processing module; and the FPGA processing module acquires a high-definition image in a CameraLink system, convertsgenerated CameraLink data into YUV422 data, sends the YUV422 data to the DSP processing module, receives compressed image data compressed by the DSP processing module and sends the compressed image data to a display control side by a data link, so that the display control side monitors a shooting case of the photoelectric rotating tower in real time. According to the technical scheme provided by the invention, a FPGA and DSP architecture is used, acquired images can be compressed, synchronously transmitted to the data link and synchronously stored in an on-board magnetic disk, snapshot processing on a key region can be implemented, photos are transmitted to the data line in real time, and the CameraLink image processing device and the photoelectric rotating tower can be widely applied in the image recording direction of various on-board, vehicle-mounted and ship-borne photoelectric equipment.

The invention relates to an underwater robot three-dimensional path visual tracking method. The invention belongs to the technical field of underwater robot three-dimensional path planning. Accordingto the method, a geodetic coordinate system, a carrier coordinate system and a curve coordinate system are established, a six-degree-of-freedom model of an underwater robot is established according tothe coordinate systems, a path tracking error model is established according to the established six-degree-of-freedom model of the underwater robot, and course angle deviation and submergence angle deviation are determined; three-dimensional path tracking is performed on the established six-degree-of-freedom model of the underwater robot by adopting a back-stepping sliding mode control method; and three-dimensional path tracking is trained by adopting a deep reinforcement learning method to complete three-dimensional path visual tracking of the underwater robot. According to the invention, the tracking error is continuous, and the path tracking stability is improved; an integral term is added into the conductivity of the sight method to introduce the influence of time; and a boundary reward function is added to accelerate the convergence of path tracking, the overshoot is reduced, and the precision is improved.

A prevention method of an air shock wave disaster in a mine goaf comprises constructing wall bodies through reinforced concretes in a stagger mode on the left side and the right side of a range within 5 to 20 m of existing periphery tunnels which are communicated with a goaf to form into a tooth-shaped wave obstruction wall when the air shock wave disaster happens in the periphery tunnels due to goaf collapse after mining of a mine. The prevention method of the air shock wave disaster in the mine goaf has the advantages of being simple to achieve and practical and wide in applicability, being capable of reasonably optimizing wall body building mode according to actual conditions, avoiding goaf stability monitoring difficulties caused by closeness of the goaf at the same time, effectively preventing or reducing impact air flow or air blast disasters caused by compressed air in the periphery tunnels when the goaf is collapsed and being beneficial to effective management of same type mine goaves.

The invention relates to the establishment of a system for testing and evaluating damage to a gradient composite under a thermal / electric / magnetic / coupling action and a performance test method. The mechanical property and the physical property of a gradient material are tested by a direct current under the thermal / electric / magnetic / coupling action. The damage to the gradient composite is tested and evaluated by thermal impacting stress generated due to the joule heat caused by the direct current and the thermal expansion coefficient difference of a ceramic and metal gradient composite. The system established in the invention combines damage and property test and characterization integrally and can test the physical and mechanical coupling properties of the gradient material.