92results about How to "Data is valid" patented technology

The invention discloses a detection method of bituminous mixture, including the following steps: digital image collection of bituminous mixture is completed; image processing of the acquired digital image is completed to obtain the content of compositions of the bituminous mixture. Moreover, the invention also discloses a detection system for the bituminous mixture. Both the method and the system can complete effective separation and extraction of bitumen, airgap, aggregate and aggregate particle of different particle diameter and realize direct determination and calculation of volumetric composition characteristic parameter of the bituminous mixture through converting the obtained characteristic parameter into volume ratio; moreover, the invention improves the mechanical property of the bituminous mixture and provides reliable basis for the scientificity in bituminous pavement engineering research.

The invention relates to a method for processing parts by using a three-dimensional process, which comprises the following steps of: 1) building a three-dimensional process structure tree which is associated with a to-be-processed product, a processing unit and a device; 2) building a process model associated with a designed three-dimensional model; 3) performing three-dimensional labeling designon the process model, and editing production process requirements; 4) adding tooling resources in the process structure tree; and 5) outputting three-dimensional process rules. The method has a structural process of a unique data source, realizes compact integration and cooperative work of the designed processes, supports digital on-line detection, makes process preparation for shortening measurement and detection time, builds a multi-view structure tree texture process model and a three-dimensional label to display the three-dimensional process, provides more intuitive, real and effective data for downstream user operators, inspection, measurement and tooling design, and provides accurate process data for users of downstream MES, ERP and the like.

The invention discloses a mechanical equipment operating state monitoring method and system used for an edge calculation side. Equipment operation condition data is collected, which includes vibrationtype and non-vibration type data. According to a unit component type, characteristic extraction is performed on vibration data, which includes one extraction of a corresponding characteristic value of the vibration type data, and also includes secondary extraction of the corresponding characteristic value of the vibration type data and the non-vibration type data. Threshold judgment of the data is possessed, and a data change trend can be acquired, which includes a change slope, a magnitude of jump, and the magnitude of the change. Whether there are slow rise, slow decline, and sudden changeconditions in mechanical settings can be accurately determined. Data types are enriched and data monitoring quality is improved. Online real-time condition monitoring of equipment and automatic earlywarning of an operating condition are realized, and effective and real-time data is provided for a subsequent system.

The invention discloses a transient flame detection method based on image processing. A high-speed camera is adopted to shoot a transient flame video and completely records the dynamic development process of transient flame; an overall distribution image of the transient flame is obtained in an image superposition method; an image enhancement method according with a transient flame color space distribution rule is put forward, a transient flame area is brightened, and a background area is darkened; image processing methods such as image filtering, image enhancement, image segmentation and image contour extraction are used comprehensively to extract the transient flame area, and the area, the perimeter, the largest diameter, the average diameter, average optical density and other parameters of the transient flame area are calculated to provide effective data and technical support for development and performance testing of artillery, combustion explosives, gun propellants and the like.

A method of determining an equivalent output value for a failed sensor in a vehicle seat having an occupancy sensing system. The method includes the steps of sensing the output of each sensor in an array of sensors that detect a physical presence in the seat. If the output of the sensor falls below a predetermined value, exceeds a predetermined value, or remains fixed the sensor is classified as inoperative. The method then calculates an equivalent sensor output value for any sensor classified as inoperative and applies the sensor array output values for each operable sensor in the array and the calculated equivalent output value for any inoperative sensor to a neural net. Then, the applied sensor output values are recognizing as falling within one of a group of predetermined classification patterns that represent a physical presence in the seat defined by size, weight, and physical orientation.

The invention relates to a dynamically-monitored high-frequency ultrasound atomized nanoparticle preparation system. The system mainly comprises a high-frequency ultrasound nano-atomizing device, a multipoint dynamic nanoparticle particle size and particle shape real-time monitoring device, an efficient laminar-flow electrostatic collecting device, an inert gas circulating and organic solvent recovering device and a software automated-controlling and data integrated-processing module. The equipment can achieve the nano preparation of trace samples, and the yield is extremely high; and meanwhile, the real-time dynamic monitoring device is introduced, and the influence on the quality of nanoparticles caused by each parameter can be monitored timely through a data integration module or software, so that the whole preparation process can be controllable, and the rapid optimization of parameters is facilitated.

An input data stream is received for processing at an integrated circuit (IC) through multiple channels. The input data stream is interleaved and the interleaved input data stream is stored in a memory buffer associated with the IC. An addressing scheme is defined for reading and writing data samples from and to the memory buffer within the IC. The addressing scheme includes determining a current increment by analyzing a pattern associated with data samples within the memory buffer and determining the memory address for each data sample within the memory buffer using the current increment. A data sample for a frame is read from a corresponding address within the memory buffer using the addressing scheme and a subsequent data sample from the interleaved input data stream is written into the corresponding address of the memory buffer. The current increment and the addressing scheme are stored in the memory buffer. The current increment is dynamically determined by analyzing data samples in the memory buffer after processing of each frame of data and is used in redefining the addressing scheme for subsequent data processing.

The invention relates to a monitoring system and method for achieving community drug treatment and rehabilitation based on an intelligent mobile terminal, and the monitoring system comprises a remoteterminal management and control server, a customized intelligent mobile terminal, a business server, a data safe exchange server, and a local encryption database. According to the invention, the system guarantees the authenticity, effectiveness and reliability of data through a customized intelligent mobile terminal, the built-in software modules of the customized intelligent mobile terminal, theinteraction flow of the related business links, the automatic call under emergency and the safe exchange of data. Meanwhile, the system can enable a related worker to carry out the coordination locally, to provide help, to timely obtain the emergency degree and to make a plan in advance before the worker arrives at a scene, and provides data services for the public security / judicial department / social security / community.

The invention provides a controllable neural network-type method for predicting reservoir permeability. The method comprises the following steps: SI, acquiring seismic data; adding fault control by taking known drilling data as a longitudinal control point and seismic sequence interpret horizons as horizontal restraint; establishing a geologic framework model; SII, performing seismic inversion under the control of the geologic framework model through a genetic algorithm to obtain N wave impedance data bodies; SIII, performing phase-controlled cloud simulation reservoir permeability prediction by aiming at each wave impedance data body, wherein each wave impedance data body is used for predicting M permeability data bodies; SIV, sedimentary facies comparison on N*M permeability data bodies and mutual linear analysis among the data bodies; SV, performing equal-weighted treatment on the N*M permeability data bodies to obtain final permeability data bodies; SVI, performing engraving aiming at an oil reservoir part on the final permeability data bodies to provide data for a downstream reach.

The invention relates to a prediction method for the expressway travel time based on charge data. The prediction method comprises the steps of S1, acquiring charge data of a predetermined expressway; S2, preprocessing the charge data of the expressway; S3, sampling and processing a preprocessed data set so as to acquire a sample set; S4, establishing a prediction model combined by an auto-encoder and a BP neural network by using the sample set; and S5, carrying out prediction on the expressway travel time by using the model. By adopting the technical scheme provided by the invention, the stability of the model is greatly improved because the auto-encoder has a characteristic of adaptive learning and is not sensitive to network initialization.

A method of determining an equivalent output value for a failed sensor in a vehicle seat having an occupancy sensing system. The method includes the steps of sensing the output of each sensor in an array of sensors that detect a physical presence in the seat. If the output of the sensor falls below a predetermined value, exceeds a predetermined value, or remains fixed the sensor is classified as inoperative. The method then calculates an equivalent sensor output value for any sensor classified as inoperative and applies the sensor array output values for each operable sensor in the array and the calculated equivalent output value for any inoperative sensor to a neural net. Then, the applied sensor output values are recognizing as falling within one of a group of predetermined classification patterns that represent a physical presence in the seat defined by size, weight, and physical orientation.

The invention relates to a three-dimensional model data analysis method for high-precision extraction and fast classification, and belongs to the technical field of computer information processing. The method includes: designing a data parsing scheme based on binary tree for three-dimensional model, searching element tags of the model, analyzing the nesting relationship of the data, and forming the simplest document. When a three-dimensional dae model is received, the model data is read, and an analysis algorithm flow is provided. By searching every element mark of the model, the nesting relation of the data is analyzed step by step, the redundant data is eliminated, and then the improved limit learning machine is used to classify the data, and finally the simplest document is formed As that binary tree and the improve limit learning machine simultaneously use the parse three-dimensional model data, the invention reduces the stack of redundant data, accelerates the processing speed ofthe data and improve the parsing efficiency.

The invention discloses an air quality prediction model and method based on an improved LSTM, and belongs to the technical field of environmental protection. According to the model, the internal circulation structure of the Vanilla LSTM is simplified and improved, certain parameters are reduced, the inclusiveness of the structure to an abnormal cell state is enhanced, and a final IV-LSTM structure is generated. Meanwhile, a data input and output model is improved, and related sites are selected through an LS-DTW algorithm to increase data input channels. Compared with a pure DTW algorithm, the similarity between the site selected by the LS-DTW and the target site is higher, and the data input correlation is higher, so that the prediction result of the whole model is more accurate.

The invention discloses a plastic de-molding force test mold and a test method thereof. The problem in the prior art that it is difficult to evaluate the de-molding performance of plastic particles as there is no test mold capable of testing plastic particles in an integrated and comprehensive manner is solved. The key points of the technical scheme are as follows: an ejector device includes an ejector plate and an ejector pin; the bottom plate of a fixed mold has an ejector pin slot for the ejector pin to pass through; two opposite side plates of the fixed mold can pivot relative to the bottom plate to turn outward 0.2-5 degrees so as to form corresponding de-molding angles, and can be fixed by a corresponding fixing device; pressure sensors are respectively arranged on the inner bottom plate and the sidewalls of the fixed mold; the test mold further includes a pressure terminal; and the detection signals of the pressure sensors are processed through a processing unit. Two opposite side plates of the fixed mold can pivot outward to realize different de-molding slopes. The angle can be changed quickly and conveniently. The period of comprehensive detection through de-molding angle adjustment is shortened greatly. Comprehensive and accurate data can be obtained.

The invention discloses a safety injection pump operation life prediction method and system. The method comprises the steps that the flow characteristic quantity, the power characteristic quantity andthe vibration characteristic quantity which correspond to the discharge pressure of a low-pressure safety injection pump during duration of a test are recorded in real time; then, characteristic quantity data are processed, a periodic function, a trend function and an irregular fluctuation function are extracted based on a function curve of the characteristic quantity and time, and a fault degreemodel (degeneration characteristic fault probability prediction model) is obtained according to the non-fault coverage of the characteristic quantity; then, the bayesian method considering only the time sequence is utilized, the fault probability of the low-pressure safety injection pump in the non-confidence interval at a certain moment is obtained, that is, real-time collected data of a durability test are substituted into the fault degree model, the fault probability of the low-pressure safety injection pump in the set confidence interval at any moment is calculated through the bayesian method of time sequence, and when the fault probability reaches the preset limit value, the durability test is stopped.

A semiconductor device for providing a reliable data valid window includes a drive control unit configured to output a driving power control signal in response to an internal clock and a command signal; a sub-drive voltage supply unit configured to supply sub-drive voltages; a main drive unit configured to generate a delay-locked loop (DLL) clock by driving the internal clock with a main drive voltage; a sub-drive unit configured to drive the internal clock with the sub-drive voltage in response to the driving power control signal; and a data output driver configured to drive and output a data signal in sync with the DLL clock, wherein the main drive unit and the sub-drive unit share their output terminal.

An apparatus includes first and second receiver circuits and a decision circuit. The first receiver circuit is configured to generate a first data symbol from a particular input data symbol of a plurality of input data symbols included in an input signal. The second receiver circuit is configured to generate a second data symbol from the particular input data symbol. The decision circuit is configured to select, using respective values of one or more previous output data symbols, either the first or second data symbol as a current output data symbol. In response to a change in value between successive input data symbols, the first and second receiver circuits are configured to generate the first and second data symbols with respective data valid windows with different durations.

The invention relates to an engine piston temperature field remote measurement system calibration testing stand comprising a simulation device, a driving mechanism, a remote measurement system, a heater and a temperature controller; the simulation device comprises a cylinder sleeve, a cylinder cap and a piston; the driving mechanism drives the piston to move up and down in the cylinder sleeve; theremote measurement system comprises a thermocouple sensor, an emitter, an induction stator, a remote measurement system cabinet and a temperature field signal analysis system; the heater comprises anon-contact annular heating tube and a high frequency heating unit; the temperature controller comprises a first infrared probe and a temperature control unit. The driving mechanism replaces an enginecrank link mechanism to drive the piston to make up-and-down motions, thus simulating real relative motion conditions, and providing a relative motion and installation environment for the piston temperature field remote measurement system; the high frequency induction heater and the infrared temperature controller can simulate a real engine temperature change scope, thus calibrating the measuringprecision of the remote measurement system, and verifying the sealing and anti-scurviness environment capability (such as high temperature) of the system.

The invention relates to an environmental information collection and automatic processing pig house based on LORA remote communication, and belongs to the field of physical fusion of information. Thepig house comprises a house body, an LoRa communication module, a control circuit board, a video monitoring module, an internal air quality improvement module, an internal temperature maintenance module and a camera; the control circuit board comprises an STM32 single-chip microcomputer module and an automatic cleaning circuit, a solar energy utilization module and an LoRa communication antenna are installed on a top cover of the house body, the STM32 single-chip microcomputer module is connected with the automatic cleaning circuit, the LoRa communication module and the video monitoring moduleseparately, the communication module is in wireless communication with a terminal monitoring system through the LoRa communication antenna, the video monitoring module is connected with the camera, and the camera and an exhaust fan are installed at the two sides of the house body. The pig house can meet corresponding power supply requirements through solar power generation and monitor the state of pigs in real time; meanwhile, reasonable water supply and feeding in pigsties can be automatically achieved, and the living environment of the pigs is improved.

Disclosed is a cementing material condensation process monitoring method. According to the method, an ultrasonic testing method, a conductivity testing method and a temperature testing method are adopted comprehensively for monitoring the condensation process of cementing materials, test advantages of the three methods are fully used, the three testing methods are combined to overcome the drawbacks in the three testing methods, the condensation process of the cementing materials is monitored all sidedly to acquire effective and accurate condensation data, and the condensation process is grasped in real time. Technicians in the field can acquire the effective and sensitive condensation data on the basis of utilizing the method, so that convenience is effectively brought to the technicians in the field to conduct adding types, adding number and the like of additives and raw materials.

The invention discloses a method for automatically adjusting and controlling geometric parameters. A user logs in a main interface of an upper computer, and the parameters are configured; a main control instruction is sent to a controller through a communication port according to a selected adjusting mechanism and a designated target position; the controller reads each parameter configuration table and initializes an IO port, an ADC port and the communication port; the current position of a motor and the state of each sensor are detected, and current state information is sent to the upper computer; according to the current state information, the motor is controlled to carry out adjustment operation. The invention further discloses a system for automatically adjusting and controlling the geometric parameters. The system comprises an IO module, an ADC module, a communication module, a state detection module, a ranging and photoelectric encoder detection module, a motor forward and reverse rotation module and a motor rotation module. The method and the system are easy and safe to operate, combination of software and hardware is realized, automatic adjustment can be achieved through simple operation, the detection efficiency is improved, potential safety hazards are avoided, and multiple adjusting mechanisms can be controlled and managed in real time.

The invention discloses an embedded test system, comprising an embedded central processor, a measurement module connected with the embedded central processor, a display module connected with the embedded central processor, a storage module connected with the embedded central processor, a control module connected with the embedded central processor, and a power supply module for providing a power supply for the embedded central processor. The embedded test system provided by the invention has the characteristics of integration of various types of measurement functions, high integration level, small size, freeness from special PC (Personal Computer) controllers and external measurement equipment, and convenience for use; furthermore, in comparison with the conventional measurement equipment, the embedded test system has the advantages of low cost and capabilities of saving test resources and being suitable for testing electronic products on a large scale.

The invention relates to a six-minute walk tester and a medical six-minute walk test system. The six-minute walk tester comprises a control module, a voice guiding module and a ranging module, whereinthe control module comprises a controller and a memory; the voice guiding module and the ranging module are both connected with the controller; the memory is used for memorizing voice guiding information; the control module is used for timing and controlling the voice guiding module to play voice guiding information at an interval of a certain time; and the ranging module is used for measuring awalking distance of a user within six minutes. The six-minute walk tester and the medical six-minute walk test system provided by the invention have advantages of compact structure, good portability and wide application range, have functions of automatically timing, calculating the walking distance and playing the voice guiding information, and can easily complete the six-minute walk test withoutassistance of medical personnel.

The invention discloses an explosion vibration sensor installation clamp applicable to soil mediums. The explosion vibration sensor installation clamp applicable to the soil mediums comprises an upper clamping plate (1) and a lower clamping plate (2). The both ends of the upper clamping plate (1) and the both ends of the lower clamping plate (2) are respectively provided with upper screw holes (3) and lower screw holes (4). The upper screw holes (3) are corresponding to the lower screw holes (4). The upper clamping plate (1) and the lower clamping plate (2) are provided with screw bolts (5). The upper ends of the screw bolts (5) pass through the upper screw holes (3) and the lower ends of the screw bolts pass through the corresponding lower screw holes (4). The both ends of the screw bolts (5) are connected to fixing screw nuts (6) in a screwed mode. The two sides of the lower clamping plate (2) are provided with fixing holes (7). The explosion vibration sensor installation clamp applicable to soil mediums of the invention is simple in structure and convenient to install. A sensor will not easily fall off in an explosion process, and effective data can be obtained. The explosion vibration sensor installation clamp applicable to the soil mediums has a relatively good adaptability, and fouling of the sensor will not occur; the cleaning is convenient; the installation speed is relatively fast and workloads of test personnel are reduced.

The invention relates to a solid sample TIC efficient direct conversion device. The device comprises a heater, a reactor and a sample bottle. The sample bottle is placed at the top of a heating area of the heater. Openings are formed in the top end of the sample bottle and the bottom end of the reactor. The upper end of the sample bottle is hermetically connected with the lower end of the reactor.The side surface of the reactor is hermetically connected with a gas inlet pipe and an acid adding pipe. The top end of the reactor is hermetically connected with a gas outlet pipe. According to theinvention, the heater, the reactor and the sample bottle are arranged, a sample in the sample bottle is heated by the heater, inert gas is introduced through the gas inlet pipe of the reactor to be stirred, acid is added through the acid adding pipe, the sample reacts in a high-temperature acid environment to generate carbon dioxide which is discharged through the gas outlet pipe, direct detectionof inorganic carbon is achieved based on the content of solid matter before and after weighing, data is accurate and effective, the repeatability is good, the detection process consumes less time, and results are accurate.

The invention discloses a ship navigation environment information collection and redundancy control system based on shipborne GNSS-R. According to the system of the invention, data information collected by a plurality of devices such as a radar, a wave height measuring instrument and an anemometer is acquired; the acquired information is the reflected signals of a satellite, the signal sources ofnavigation satellites are free, and therefore, all navigation satellites can be used as the signal sources of the system of the present invention; L-band waves used by the navigation satellites are not sensitive to rain and snow weather, and therefore, the system can realize sea surface condition all-weather and uninterrupted monitoring and provide accurate environmental data for ship navigation;since a signal receiving antenna is simple in structure and does not require mechanical moving parts such as a radar and an anemorumbometer, the service life of the signal receiving antenna is greatlyprolonged, and the data accuracy of the system after long-term use is ensured, and the system does not require frequent maintenance.

The present invention discloses an apparatus and a method for evaluating corrosion resistance of a metal composite pipe. The apparatus comprises a main body outer sleeve and connection members on both ends of the main body outer sleeve, wherein the internal space of the main body outer sleeve is used for placing a metal composite pipe to be evaluated, the connection members are used for communicating with a pipe of natural gas or other corrosion mediums, the metal composite pipe is formed by compounding more than or equal to two layers of metal pipes, and a welding seam exists or does not exist in the length direction of the metal composite pipe. With the apparatus of the present invention, the metal composite pipe can be connected to the natural pipeline or other corrosion medium pipelines to make the whole metal composite pipe in the corrosion medium, and the corrosion resistance of the metal composite pipe in the actual corrosion environment can be tested, such that the corrosion resistance of the metal composite pipe and the welding same can be truly and accurately reflected, and the reliable and valid data is provided for the project site.

The invention discloses a water balance calculation method for a depression-spring water system in a karst region. . The water balance calculation method of the spring water system comprises the following steps: dividing hydrological years according to rainfall, spring water flow and a complete peak valley corresponding to an underground water level; establishing a water balance relation of a hydrological year period; establishing a hydrological annual cycle groundwater balance relationship; establishing a critical water balance relationship; defining and solving a spring domain water storagecoefficient; establishing an underground water balance relationship in an effective supply time period; calculating the underground runoff hidden excretion amount; calculating the evaporation capacityand the like. The multi-year monthly precipitation, groundwater level and spring water flow data accumulated in the depression-spring system are fully leveraged to acquire all parameters through groundwater balance calculations, especially the monthly underground runoff hidden excretion amount and the monthly evaporation amount in a spring area through calculation, and effective data and supportare provided for underground water protection and development.

The invention discloses an advanced three-dimensional electrical resistivity cross-hole computed tomography (CT) solitary stone detection system carried by a shield tunneling machine and a detection method. The system comprises an advanced drilling device capable of drilling at least four drill holes in the rock surface. The multiple drill holes form a three-dimensional detection space. The advanced drilling device comprises a drilling machine. The bottom of the drilling machine is movably fixed to a rail on the inner circumference of a shield. A drill bit of the drilling machine penetrates through an advanced grouting hole of the shield. The system further comprises a detection electrode coupling device which stretches into the drill holes, is provided with a plurality of electrodes, and is capable of releasing electrolytes to the electrodes. The detection electrode coupling device is connected with a host machine used for applying a three-dimensional space electric field through a cable. The advanced three-dimensional electrical resistivity cross-hole CT solitary stone detection system carried by the shield tunneling machine and the detection method have the beneficial effects that the defects that holes cannot be drilled in a cutter head of the shield tunneling machine, or a drilling device cannot be installed on a tunnel face are effectively overcome; the advanced drilling device is installed in the shield of the shield tunneling machine, and advanced drilling is achieved through the advanced grouting hole in the shield of the shield tunneling machine; and difficulty in the prior art is overcome, and simplicity and convenience are achieved.