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81results about How to "Solve the mismatch" patented technology

Electroencephalogram cap

PendingCN107468241AAutomatically enlarge or reduce the spaceEasy to operateDiagnostic signal processingSensorsCross connectionElectroencephalography
The invention relates to an electroencephalogram cap and a method for establishing a three-dimensional head-shaped electroencephalogram and a brain oxygen distribution map. The electroencephalogram cap comprises a cap body and a control circuit, wherein the cap body is formed by two ear part supporting bodies, a top supporting rod, a front part supporting rod and a back part supporting rod; two ends of the top, front and back part supporting rods are respectively arranged on the two ear part supporting bodies; the top, front and back part supporting rods span places over the head, in front of the head and behind the head from left to right; the top supporting rod is in a cross-connection with N electrode fixing rods; the electrode fixing rods, the front part supporting rods and the back part supporting rods are all equipped with brain electrodes; and the brain electrodes are connected with the control circuit. The method for establishing electroencephalogram and the brain oxygen distribution map forms a scalp surface three-dimensional model according to the electroencephalogram cap and position parameters of the scalp surface, and then obtains an electroencephalogram and a brain oxygen distribution map matched with a practical head shape. The electroencephalogram cap is convenient to use and can accurately collect signals and has strong anti-interference capability; and the electroencephalogram and the brain oxygen distribution map achieved according to the method has great authenticity.
Owner:汪子锋

485-infrared conversion circuit and method for transmitting data

The invention provides a 485-infrared conversion circuit and a method for transmitting data. By the aid of the 485-infrared conversion circuit and the method, the problem that an existing electric energy meter does not have wireless transmission and remote meter reading functions can be solved. The 485-infrared conversion circuit comprises an infrared emitting circuit, an infrared receiving circuit, an infrared modulation circuit and a 485 transceiver circuit. The infrared modulation circuit and the 485 transceiver circuit are respectively connected with the infrared emitting circuit. The method for transmitting the data includes steps of transmitting the data from 485 interface equipment to infrared interface equipment; transmitting the data from the infrared interface equipment to the 485 interface equipment. The 485-infrared conversion circuit and the method have the advantages that owing to pure hardware conversion and transparent data transmission modes, the data can be transmitted from the 485 interface equipment to the infrared interface equipment, and the 485-infrared conversion circuit and the method are applicable to converting data between all 485 interface equipment and infrared interface equipment.
Owner:STATE GRID CORP OF CHINA +2

Full-automatic intelligent hydrodynamic viscosity measurement device and method

ActiveCN110907313ATest dynamic viscosityAvoid spillingFlow propertiesWater bathsMeasurement device
The invention provides a full-automatic intelligent liquid dynamic viscosity measurement device and method, and belongs to the field of experimental instruments. The full-automatic intelligent liquiddynamic viscosity measurement device comprises a viscosity measurement unit which comprises a rotary viscometer and a viscometer adjusting frame, wherein the rotary viscometer is used for measurementthe viscosity value of the measured liquid, and the viscometer adjusting frame drives the rotary viscometer to lift, translate and rotate; a constant-temperature water bath unit which comprises a preheating constant-temperature water bath kettle and a measurement constant-temperature water bath kettle, wherein the two water bath kettles are used for controlling the temperature of the measured liquid; a sample receiving and sending unit which is used for clamping and releasing a sample cup filled with the measured liquid between the two water bath kettles in a reciprocating manner; a cleaning unit which is used for cleaning a rotor of the rotary viscometer; a drying unit which is used for drying the cleaned rotor; a control unit which is used for controlling the operation of each unit; anda data acquisition and analysis unit which is used for acquiring the viscosity data measured by the rotary viscometer and acquiring and analyzing the viscosity data. The device integrates the artificial intelligence and the automation as one, and is high in measurement precision and efficiency.
Owner:YANCHANG OIL FIELD

Real-time generation schedule and closed-loop control evaluation analysis method thereof

ActiveCN104574203ASolve the mismatchSolve the quantitative calculation problem of frequency modulation resource demand differenceResourcesInformation technology support systemLoop controlClosed loop
The invention discloses a real-time generation schedule and a closed-loop control evaluation analysis method thereof. The closed-loop control evaluation analysis method is characterized by comprising the following steps: determining the real-time generation schedule and closed-loop control unit cluster classification; calculating a real-time generation schedule (CGS) regulating standby demand index; calculating a real-time generation schedule regulating standby adequacy index; calculating a power grid security monitoring index; calculating a real-time generation scheme closed-loop control depth index. The real-time generation schedule and the closed-loop control evaluation analysis key indicator and calculating method thereof are scientific and reasonable; the closed-loop control effect is objectively evaluated, and the tracking situation of the generation unit to the real-time scheme is analyzed online and immediately fed back, so as to form the more effective closed-loop control strategy, improve the real-time power grid running risk response capability, meanwhile reduce the manual intervention of scheduling operators and the frequently repeated regulating situation of a lot of units, prolong the service life of the generator unit, and improve the economic benefit of a power plant.
Owner:NARI TECH CO LTD +1

Cassava cultivation method applicable to whole-process mechanical operation

PendingCN110604022ARealize the whole process of mechanizationImprove the level of mechanized operationsCrop conditionersMowersDiseaseAgricultural engineering
The invention relates to a cassava cultivation method applicable to whole-process mechanical operation. The method includes: rotary tillage and ridging, to be specific, mechanically scarifying a landparcel, smashing soil, smoothening the land surface, and adopting a two-ridge or four-ridge ridger for rotary tillage and ridging to make required ridges, wherein the ridges are in shapes of isoscelestrapezoid, and line spacing between every two adjacent ridges is in a manner of alternate narrow line spacing and wide line spacing; cassava selection; cassava seed stem planting; field management, to be specific, manually completing operation of filling gaps with seedlings and thinning; mechanical completion of intertillage, weeding, fertilization and top dressing; disease and pest prevention and control; harvesting, to be specific, before harvesting, adopting a tractor for traction of a cassava straw smashing and returning machine to realize cassava straw smashing and returning; adopting the tractor for traction of a two-row four-shovel vibratory cassava digger for digging and harvesting. By adoption of the cassava cultivation method, whole-process mechanical operation of the cassava planting industry can be realized beneficially, planting cost is reduced, and the profit rate of the cassava planting industry is increased.
Owner:CHINA AGRI UNIV

Graded depressurization type borehole crack detection method

InactiveCN108845373ARealize the integration of plugging testSolve the intertwining problemGeological measurementsWater leakageWater source
The invention relates to a graded depressurization type borehole crack detection method, and belongs to the technical field of determination of the rock mining damage range. A used system comprises atest probe, a drilling machine, a drilling rod and a control operating console, the test probe comprises a plugging device and a partial pressure assembly, the partial pressure assembly is connected with the tail plugging device via a communicating pipe and comprises primary and secondary converters, the secondary converter sleeves the primary converter and is in threaded connection with the primary converter, the plugging device comprises a water leakage pipe, a series joint and a rubber capsule, the rubber capsule wraps the water leakage pipe, a plugging cavity is formed between the rubber capsule and the water leakage pipe, and the two ends of the plugging cavity are fixed by fastening loops. The water leakage pipe is provided with water leakage holes, outside water enters the pluggingcavity via the water leakage holes, the rubber capsule is expanded, and a water injection cavity is formed with a borehole. An original operating system is simplified, the problem of drilling coilingis solved, plugging and observation processes are realized via the same outside, and are kept in different pressures, and pressure conversion is more sensitive and more stable.
Owner:DALIAN UNIV OF TECH

Variable pressure adjustable rock mass fracture permeability testing device

The invention belongs to the technical field of measuring of the permeability of a rock mass, and discloses a variable pressure adjustable rock mass fracture permeability testing device. The variablepressure adjustable rock mass fracture permeability testing device comprises plugging devices, a converter, a communicating pipe, a drilling machine, a drill pipe and a control operation platform. Theconverter is in threaded connection to the tail part of the front plugging device and internally comprises an inner ring, a spring and a cross-shaped screw sleeve, the compression degree of the spring is changed by regulating the cross-shaped screw sleeve, and the starting pressure of the inner ring is further controlled; the front plugging device and the tail plugging device form a water injection cavity with a drilling hole after being expanded, and the external high pressure water enters the water injection cavity through the converter to detect the fracture permeability of the drilling hole. The testing device simplifies the external operation system and the operation step, the number of pipelines in the drilling hole is reduced to one, the problem of wire winding of the drill pipe isavoided, the stability of the measurement process is improved, the plugging process and the measuring process respectively work at the respective pressures by using a same water source, and the variable pressure of the converter is adjusted to adapt to different working environments and the starting pressure requirements.
Owner:DALIAN UNIV OF TECH

Quick phase-splitting switcher for alternating-current loop

The invention provides a quick phase-splitting switcher for an alternating-current loop and relates to the technical field of AC commutation. The switcher comprises a housing, input binding posts, anoutput binding post, a rotating knob, a rotating shaft, a moving contact, and a static contact. The housing is cylindrical, and the rotary knob is connected with the housing. The rotating shaft is provided with a moving contact, and the rotating knob is connected with the rotating shaft and the moving contact is driven to do axial movement around a central axis of the housing. The input binding posts comprise an A-phase binding post, a B-phase binding post, a C-phase binding post and an N-phase binding post and are arranged on a cylindrical side surface of the housing, and the output binding post is arranged on a bottom surface of the housing and is connected with the rotary knob. The connection of different static contacts is achieved by rotating the rotating knob, and therefore, the phase switching is achieved. Through the phase-splitting switcher provided by the invention, the problem that interfaces of a four-phase alternating-current loop and a two-phase detection instrument do not correspond to each other can be solved, the operation intensity of workers is reduced, and the processes of the connection of a measurement instrument into the alternating-current loop and an alternating-current loop detection test are simplified.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1

Method, system and equipment for marking key points of vehicle and medium

The invention provides a method, system and device for marking vehicle key points and a medium. The method comprises the steps that the vehicle type of a to-be-marked vehicle is determined, a corresponding three-dimensional marking model is obtained according to the determined vehicle type, and three-dimensional key point marking is conducted on the to-be-marked vehicle; performing two-dimensional projection on the three-dimensional key point labeling result to obtain two-dimensional projection results of all key points; and performing two-dimensional key point labeling on the to-be-labeled vehicle, and determining a final key point labeling result of the to-be-labeled vehicle based on a two-dimensional key point labeling result and the two-dimensional projection result. According to the invention, the two-dimensional projection result and the two-dimensional key point labeling result are associated as the key point labeling result of the to-be-labeled vehicle, which means that the labeling result of the 2D labeling model and the two-dimensional projection result after projection of the 3D labeling model can be used as the key point labeling result of the to-be-labeled vehicle together; therefore, the problem that labeling errors exist when a 2D labeling model or a 3D labeling model is independently used can be solved.
Owner:CHONGQING ZHONGKE YUNCONG TECH CO LTD

Observation method for multi-segment graded depressurization water injection based on fracture observation

ActiveCN108643901ARealize the integration of plugging testSolve the intertwining problemSurveySealing/packingWater sourceControl system
The invention discloses an observation method for multi-segment graded depressurization water injection based on fracture observation. An adopted device comprises a testing probe, a propulsion systemand a control system. The testing probe comprises plugging devices, partial pressure assemblies and a communicating pipe. Water injecting cavities are formed between the plugging devices and drill holes; the partial pressure assemblies are mounted at the tails of the front plugging device and the middle plugging device and constituted by primary converters and secondary converters; and a high-pressure water source in the communicating pipe is converted in a graded mode into a low-pressure water source to flow into the water injecting cavities to be detected. The plugging devices comprise waterleaking pipes, rubber bags and connectors, the water leaking pipes are wrapped with the rubber bags in a surrounded mode, the rubber bags are fixed to the two ends of the connectors through fasteningrings, and plugging cavities are formed between the rubber bags and the water leaking pipes. According to the testing device, the plugging process and the testing process are executed under the pressure of the plugging process and the testing process through the same external water source, the stability of pressure conversion is improved, plugging and leakage testing systems are integrated, the winding problem of a drilling rod and a hose in the propulsion process is solved, meanwhile, multi-segment measurement of propulsion every time can be achieved, and the measuring efficiency is improved.
Owner:DALIAN UNIV OF TECH

Drilling single-circuit pressure water control system based on detection of water-conducting fracture zone in overlying rock

The invention belongs to the technical field of rock mass mining fracture permeability determination, and discloses a borehole single loop pressurized-water control system based on overlying strata diversion fissure zone detection. The borehole single loop pressurized-water control system comprises a plugging test system, a propelling system and a supply control system. The plugging test system comprises a plugging device, a communicating pipe and a transverter, and a water injecting cavity is formed by the plugging device and a drill hole. The transverter is located on the tail portions of afront portion plugging device and a middle portion plugging device, and is internally provided with an inner ring, a spring, a cross wire sleeve, a water storage tank and a water diversion hole, the inner ring is provided with a water passing hole and communicates with the water storage tank, a externally-connected water source is transported to the water-injection cavity through the water diversion hole, and the permeability of the borehole fracture is detected. The borehole single loop pressurized-water control system based on the overlying strata diversion fissure zone detection can use thesame water source to realize the plugging and observation process under the respective pressure, pipes in a borehole is reduced to one, the problem of the drill pipe winding is avoided, the stabilityof the observation process is improved, the observation water pressure can be adjusted according to the need, the measurement process of propelling multiple stages at one time can be realized at thesame time, and the observation efficiency is improved.
Owner:DALIAN UNIV OF TECH

Enhanced multi-scale convolutional neural network soft measurement method

The invention discloses an enhanced multi-scale convolutional neural network soft measurement method, and the method includes performing the data enhancement through reconstructing coarse-grained features, and building a regression model through employing a convolutional neural network; splicing the process variable data in the adjacent time periods to obtain a data matrix which is used as new input of a sample to replace the original fine-grained characteristics, so that the problems of unbalanced process variable sampling and inaccurate input and output correspondence of the sample are solved; using a generative adversarial network for expanding samples, performing data enhancement on an original data set by quantitatively generating the samples, so that the problem of local missing of process data is solved; using a one-dimensional convolution kernel and a two-dimensional convolution kernel to simultaneously carry out feature extraction on coarse-grained features, considering dynamics of variables and time difference between the variables, so the problem of time delay between process variables is solved; reducing data to one dimension through alternate operation of convolution and pooling, building a prediction model through a multi-layer perceptron, and achieving real-time soft measurement of target quality variables.
Owner:ZHEJIANG UNIV
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