36results about How to "Judgment realized" patented technology

The invention discloses a traction motor on-line monitoring-based electric locomotive idling slippage identification method which comprises the steps of: taking electric parameters such as three-phase voltage of a traction motor, three-phase current of the traction motor and traction torque command as on-line monitoring parameters; then, acquiring the identification parameter related to an idling / slippage characteristic space by a multi-sampling rate expansion kalman filter method; meanwhile, using a data drive-based idling / slippage decision algorithm to obtain the judgment of idling / slippage trend by on-line data; and finally, based on the information, realizing the idling / slippage identification of a locomotive. The method has the beneficial effects that the electrical time constant of the traction motor transition process is far shorter than the mechanical time constant of the traction motor transition process, so that the time lag is greatly reduced, and the method can rapidly realize the locomotive idling / slippage identification so as to open up a space for optimizing an adhesion coefficient; and according to the method, d a speed sensor is not needed, thus saving the cost and improving the system reliability.

The invention belongs to the technical field of medical biomaterial property test, and particularly relates to a biomechanical property testing device and a testing method for blood vessel prosthesis. The testing device includes a liquid storage box, a current guide silicon tube, an electronic peristaltic pump, a current limit switch, a conducting wire, a computer mounted with signal processing and converting software and data output equipment as well as a sample fixing device, a pressure testing device and a displacement testing device. By utilizing the device, the relation curve of the pressure and the tube diameter is measured and recorded in real time, so that the detecting results of compliance, fatigue resistance and bursting pressure are calculated and obtained, and the biomechanical properties of the blood vessel prosthesis are scientifically tested and evaluated; therefore, the technical problem of testing the biomechanical properties of the integral blood vessel prosthesis under the existing physiological status is solved, the integral testing and evaluation of the compliance, the fatigue resistance and the bursting pressure of the blood vessel prosthesis are realized, and scientific and reliable evidences are provided for choosing the blood vessel prosthesis with the biomechanical properties meeting the requirements.

The invention relates to the field of mechanism kinematics chains, and discloses a kinematics-chain isomorphism determination method based on number matrices. Components and kinematic pairs of kinematics chains are numbered, and the number matrices are generated; then kinematics-chain information is extracted; the number matrices are standardized, and the kinematic pairs and the components are renumbered; standardized number matrices are obtained, then respective standardized composite-hinge information and standardized kinematic-pair information of the kinematics chains are extracted, the standardized composite-hinge information, component information and the standardized kinematic-pair information are sequentially compared, if all thereof are the same, the kinematics chains are isomorphic, and otherwise, the kinematics chains are isomeric. According to the kinematics-chain isomorphism determination method based on the number matrices of the invention, both reliability and number labeling ability of determination are considered, calculation is simple, a calculation amount is less, and determination of correspondence relationships of components and kinematic pairs of isomorphic kinematics chains is realized at the same time.

The invention discloses a calibration apparatus applied to a vibration sensor. The calibration apparatus comprises a control acquisition instrument and a vibration standard device in signal connection with the control acquisition instrument. The control acquisition instrument comprises a control module and an acquisition module; a network terminal transmits signals to the vibration standard device through the control module to enable the vibration standard device to generate corresponding vibration; the vibration standard device outputs standard vibration signals and transmits the standard vibration signals to the network terminal through the acquisition module; and at the same time, a vibration sensor to be detected senses the vibration signals generated by the vibration standard device and transmits the vibration signals to the network terminal through the acquisition module. According to the invention, work of the vibration standard device is controlled remotely through the network terminal, comparison processing is performed on the standard vibration signals and the vibration signals transmitted by the vibration sensor to be detected in the network terminal, handover of the vibration senor to be detected to a metering calibration mechanism is unnecessary, calibration can be realized in a work field, the structure is simple, and the portability is high. The invention also simultaneously provides a calibration method applied to a vibration sensor.

The invention discloses a method for judging wireless link failure, which is used for judging wireless link failure when a carrier aggregation technology is adopted. The method for judging wireless link failure comprises the following steps of: configuring user equipment (UE) with multiple member carrier waves to detect the wireless link quality of the member carrier waves; and when the UE discovers the wireless links of the appointed member carrier wave fail in the member carrier waves, determining the self wireless link failure of the UE. The invention also discloses a device for realizing the method.

The invention discloses an online monitoring method for a communication battery health degree. The current, the terminal voltage and the internal resistance of a storage battery under various different working states are monitored in real time, an improved ampere-hour method is used for calculating the capacity of the storage battery, and meanwhile, the influence of the discharge rate, the chargeefficiency and the temperature of the storage battery on the capacity is corrected, the state of health of the storage battery under a charge and discharge state can be quantified, and a basis is provided for the qualitative analysis of the state of health of the storage battery under a floating charge state so as to realize the all-around judgment of the state of health of the storage battery under the conditions of charge, discharge and floating charge. The method has the advantages of being high in applicability and accuracy, simple in implementation and the like, so that the method can beused for discovering storage battery individuals which may have hidden dangers in advance, the reliability and the guarantee level of the storage battery can be effectively improved, and the method ishigh in practicality.

A method for determining cavitation and evaluating conditions of a vane pump and a system thereof are disclosed. The method includes the following steps: collecting pump inlet and outlet pressure, liquid-borne noise and solid-borne vibration and flow rate, selecting the cavitation judgement mode according to the flow rate condition; under the constant flow rate condition, determining the total value threshold of solid-borne vibration and liquid-borne noise cavitation signal by the test method, and putting forward the cavitation judgement method using the total value method, which has higher reliability and accuracy than the traditional cavitation judgement method; obtaining the frequency range with high sensitivity to cavitation in variable flow condition, determining the threshold value of cavitation frequency band, and using the method of frequency band broadband value to determine cavitation. The invention has the advantages of strong anti-interference, high reliability, accurate evaluation standard, high cavitation sensitivity, strong applicability, convenient operation and the like, and can effectively improve the operation reliability of the pump, reduce the damage of the cavitation to the pump and prolong the working life of the pump.

The invention discloses a method and a device for judging a starting state and a shunt running state in electric energy metering. According to the method and the device, an instantaneous power and a shunt running threshold power are calculated by multiplying a voltage value by a current value and the instantaneous power and the shunt running threshold power are respectively subjected to integration calculation; and then the power values are respectively compared with a pre-set threshold energy value to judge the starting state and the shunt running state of the electric energy metering. According to the method and the device, relative operation of multiplying the voltage value by the current value is adopted and a result of the integration calculation is used as a judging evidence to carry out judgment on the starting state and the shunt running state, so that the influences (caused by the noises) on the starting sate and the shunt running state can be reduced; and meanwhile, an integrator is used for calculating judgment evidences of the starting state and the shunt running state, namely the judgment of the starting state and the shunt running state can be carried out by using operation method of energy accumulation with low cost.

The invention discloses a method and system for judging the old and new degree of a circuit board based on electrical inspection, and belongs to the technical field of circuit board detection. The method for judging the old and new degree includes the following steps that the circuit board is fixed, and an electric signal detection probe is placed on a preset bonding pad; a detection circuit is set to supply excitation to the two ends of the bonding pad of the circuit board; elements on the circuit board are excited and driven to operate and generate electric signals, and then the electric signal detection probe collects detection electric signals output by the bonding pad; the acquired detection electric signals are compared with standard electric signals according to preset judgment indexes; the judgment result is output according to the comparison result. By the utilization of the method and system for judging the old and new degree, the old and new degree of the circuit board can be judged, and the method has the advantages of being accurate, rapid and capable of improving detection efficiency and reducing man-made judgment difficulties and errors, can be widely used for detecting components of the circuit board, and is especially suitable for detecting import electromechanical machines on import ports of the whole country.

The invention provides a configuration method and device of a condition expression, and relates to the technical field of computers. Multiple objects can be judged as a whole. The method comprises thesteps of obtaining a configuration instruction input by a user; configuring a judging object, at least one judging expression used for judging the judging object, and a logical connective used for building a logical relation between at least one judging expression according to the configuration instruction; generating a first condition expression according to the judging object, at least one judging expression and the logical connective, wherein the first condition expression is a condition expression of the judging object, if the judging object is a set, the first condition expression further comprise a set matching mode which needs to be satisfied by the judging object and at least judging expression and is determined according to the configuration instruction, and the set matching modeis used for configuring the number of elements which are required to satisfy at least one judging expression in the set.

The invention discloses a data processing device and method for transformer area electric energy quality monitoring data. The method comprises the steps: obtaining original sampling data, carrying outthe caching of the original sampling data, and enabling the original sampling data to be obtained after the signal conditioning and calculation of a three-phase voltage signal and a three-phase current signal; calculating the original sampling data to obtain a frequency calculation result; according to the frequency calculation result, carrying out signal extraction on the original data stored inthe data cache region to obtain a complete cycle signal, and using the complete cycle signal for electric energy quality monitoring steady-state data calculation and electric energy quality monitoring transient event judgment. According to the device and method disclosed in the invention, original data processing and complete cycle signal extraction and application are carried out, and thereforecalculation of station area power quality monitoring steady-state data and determination of transient events are realized. The hardware cost can be reduced, district metering (measurement and control)and power quality monitoring service application are supported, and the special requirements of power quality monitoring on data quality are met.

The invention relates to the technical field of servers, and provides a decision system and method for a running state of a server sequential control device. The system comprises an oscillator, a CPLDchip and a peripheral indicating circuit of a mainboard. The peripheral indicating circuit of the mainboard comprises a first LED lamp. The oscillator is used for providing a clock signal. The CPLD chip is used for the clock signal, and used for performing the frequency division processing on the clock signal through a counter, and transmitting the processed signal to the first LED lamp through an output pin of the CPLD chip. While the logic of a previous logical bit of the counter is 1, the first LED lamp is lightened; and while the logic of a latter logical bit is 1, the first LED lamp stops flickering. While the LED lamp is lightened and flickered in a fixed frequency, it is indicated that the CPLD chip is normally operated; and while the LED lamp stops the flicker, it is indicated that the CPLD chip breaks down, so the decision for the running state of the CPLD is realized, and the timeliness of the fault diagnosis is improved.

A rapid determination method for coal-bed methanogen flora current activity and flora balance characteristic belongs to determination methods for coal-bed methanogen flora activity and balance. According to the determination method for coal-bed methanogen flora current activity and flora balance characteristic, synchronous testing is performed through functional medium culturing and coal-base medium culturing, wherein in functional medium culturing, controllable factors are utilized to determine the structure integrity and activated possibility of a to-be tested microflora; and in the coal-based medium culturing, an actual coal sample is utilized for performing culturing determination on bacterial strain so as to determine whether a to-be determined bacterial strain can be activated and cultured and can finish biogasification of coal by taking organic matters in specific coal as a basic carbon source in a real coal bed environment. Functional medium culturing results are used to provide reference parameters for the determination method, and coal-based medium culturing results are taken as variable parameters, so that the balance of the activated microbiota in the coal bed is obtained. The method is capable of realizing miniaturization of a testing system, and has the characteristics of being rapid in execution, fast in effectiveness and high in accuracy.

The invention discloses a printed circuit board and a method for determining the plugging state between a printed circuit board and a flexible circuit. The printed circuit board comprises a substrate,and a connector which is fixed on the substrate and is used for being connected with the flexible circuit board; an auxiliary golden finger is additionally arranged on the connector, and through thecooperation with a determination element which is additionally arranged on the substrate and connected with the auxiliary golden finger, the plugging state between the first golden finger of the connector and the second golden finger of the flexible circuit can be determined, so that in the actual application process, the power-on operation can be carried out on the equipment after the plugging state is determined to be normal, and furthermore, the risks of large current caused by plugging abnormity can be effectively prevented, therefore, the rejection loss is reduced, and the equipment yieldis improved.

The embodiment of the invention discloses an information processing method and device and a storage medium. The method comprises the steps that enabling a server obtain personnel information of personnel to be judged; inputting the obtained personnel information of the to-be-judged personnel into a pre-established target crowd judgment model to obtain a judgment result about whether the to-be-judged personnel belong to the target crowd or not. The technical scheme provided by the embodiment of the invention is visible; due to the fact that the obtained personnel information of the to-be-judged personnel is input into the pre-established target crowd judgment model, the judgment result about whether the to-be-judged personnel belong to the target crowd or not is obtained, when the target crowd is the toxic-related crowd, judgment of the toxic-related crowd is achieved in an automatic mode, and the labor cost is saved to a great extent.

The embodiment of the invention provides a content identification method, a model training method, a data processing method, system and equipment. The content identification method comprises the following steps of taking content to be identified as input of an application model, and executing the application model to output first result information, determining a content label as an identificationresult based on the first result information, executing a corresponding service operation according to the content label, the application model being obtained after training of a training model is completed, the training model adopting at least two loss functions to calculate at least two loss values after one iteration in the training process, and completing parameter updating based on the at least two loss values. According to the technical scheme provided by the embodiment of the invention, the content identification accuracy is high, and particularly, the method has relatively good discrimination for contents with relatively high similarity, such as phonetic close characters and homophonetic characters.

The embodiment of the invention discloses a memory and a control method and device thereof. The memory comprises a storage device, the storage device comprises a plurality of data blocks, each data block comprises a plurality of pages, and the control method comprises the following steps of: searching an initial logic address corresponding to a last write command during last power-on after power-on, and searching a last write page corresponding to the last write command from all pages reserved with the initial logic address; if it is detected that the data storage type reserved in the last write-in page is continuous data, it is judged that power failure occurs when data is written into the last write-in page. In the embodiment of the invention, the last write-in page corresponding to thewrite command is searched, and whether the power failure occurs in the last write-in page or not is judged according to the data storage type of the last write-in page, so that the control device canjudge whether the power failure occurs or not and can also determine the write-in progress when the power failure occurs, and the judgment of the power failure and the write-in progress is effectivelyrealized.

The invention discloses an image definition judgment method, device and system. The method comprises following steps of calculating a first weight image of a to-be-judged image in a time domain; calculating a second weight image of the to-be-judged image in a frequency domain; and calculating the definition weight image of the to-be-judged image according to the first weight image and the second weight image, thus judging the definition of the to-be-judged image. According to the method, the device and the system provided by the invention, the definition of the image is described in combination of the time domain information and the frequency domain information of the image, thus judging the definition of the image; and further the quality of the image is evaluated.

The invention specifically discloses application of a blood index for detecting the severity of a patient infected with coronavirus, comprising the following specific steps of: S1, detecting blood indexes of the hospitalized coronavirus-infected patients, and analyzing the change condition of the blood indexes; and S2, judging the severity of the patient infected with the coronavirus according tothe change condition of the blood indexes in the step S1. The blood indexes in the invention include at least one of platelet content, blood glucose content, total cholesterol content, high density lipoprotein content, low density lipoprotein content, prothrombin time, D-dimer content, and DIC score. Therefore, the severity of the coronavirus-infected patient can be accurately judged by detectingand analyzing the change condition of the blood indexes. The invention has the characteristics of timeliness, accuracy and high efficiency, and the problem that the treatment of the coronavirus-infected patient by using a clinical phenotype has a certain hysteresis phenomenon in the prior art is effectively solved.

The invention provides a judgment method for air leakage of a boiler bottom of a supercritical direct current front and back wall opposed firing and relates to the technical field of power plants. The method includes the steps that running data of the boiler bottom of the supercritical direct current front and back wall opposed firing are acquired; a preset parameter threshold is acquired; and according to the running data and the parameter threshold, the air leakage condition of the boiler bottom of the supercritical direct current front and back wall opposed firing is judged. The judgment method achieves judgment on air leakage of the boiler bottom of the supercritical direct current front and back wall opposed firing, and can judge the air leakage amount, a certain basis is provided for better running of the boiler, and important theoretical meaning and engineering value is achieved.

The invention relates to a cigarette air leakage defect on-line diagnosis method. The invention comprises: a cigarette making machine electric control system and a data acquisition device, which are connected to an industrial Ethernet; an application server, which is used for storing data acquired by the data acquisition device into a relational database; a relational database server, which is used for storing statistical results of a gas leakage defect judgment knowledge base, an analysis model and big data analysis; a real-time historical database, which is used for storing original data and change values of collected indexes; and a data analysis server, which is used for cleaning and analyzing gas leakage defect indexes and factor index data: further analyzing whether the data of related factors are varied or not by utilizing an established data analysis model, and if the data of the related factors are varied, according to parameters, positioning links and point locations with abnormal gas leakage detection values, and pushing diagnosis information to equipment and process personnel to adjust equipment and process parameters. According to the method, the control level of the technological process can be greatly improved, and a foundation can be laid for intelligent manufacturing of cigarette procedures.

The invention discloses a data processing device and method for power quality monitoring data in a station area, which acquires original sampling data and buffers the original sampling data, and the original sampling data is signal conditioning for three-phase voltage signals and three-phase current signals and the data obtained after calculation; calculate the original sampling data to obtain the frequency calculation result; according to the frequency calculation result, perform signal extraction on the original data stored in the data buffer area to obtain a complete cycle signal, which is used for power quality monitoring Calculation of steady-state data and determination of transient events in power quality monitoring. The invention processes the original data and extracts and applies the complete cycle signal, and realizes the calculation of the steady-state data of the power quality monitoring in the station area and the judgment of the transient state event. It can reduce the cost of hardware, and at the same time support metering (measurement and control) and power quality monitoring business applications in the station area, and meet the special requirements of power quality monitoring for data quality.

The invention relates to the field of mechanism kinematic chains, and discloses a kinematic chain isomorphism determination method based on a numbering matrix, which numbers the components and kinematic pairs of the kinematic chain, generates a numbering matrix, extracts kinematic chain information, and standardizes the numbering matrix. And renumber the kinematic pairs and components, obtain the standardized numbering matrix, then extract the standardized composite hinge information and standardized kinematic pair information of the kinematic chains, and compare the standardized composite hinge information, component information and standardized kinematic pair information sequentially. If they are all the same, then The kinematic chain is isomorphic, otherwise it is heterogeneous. The kinematic chain isomorphism judging method based on the numbering matrix of the invention takes into account the reliability and labelability of the judging, is simple and requires less calculation, and realizes the judging of the corresponding relationship between the components and the kinematic pairs of the isomorphic kinematic chain.

The invention provides a multi-agent collaborative decision-making method and system for uncertain events. Compared with the prior art, the embodiment of the invention has the advantages that relative situation advantages can be constructed on the basis of parameters of two confronting parties, a basic reliability distribution function is constructed to solve and obtain basic reliability distribution of weapon sources, and selectable values and corresponding weights of agent performance can be set on the basis of the basic reliability distribution of the weapon sources; sub-optimization objectives corresponding to the number of selectable values of the agent performance are constructed; an agent performance advantage matrix of the two confronting parties is further constructed, and a payment function of each sub-optimization target is designed, so as to construct a high-dimensional matrix of the two confronting parties for evaluating a total strategy space; and finally, solving is conducted based on the high-dimensional matrixes of the two confronting parties, and a Nash equilibrium solution is outputted. The method does not need to depend on radar performance, and can achieve the judgment of a weapon source when radar judgment fails or the radar precision is not high and the capability is not strong, so as to make a decision.

The invention discloses a traction motor on-line monitoring-based electric locomotive idling slippage identification method which comprises the steps of: taking electric parameters such as three-phase voltage of a traction motor, three-phase current of the traction motor and traction torque command as on-line monitoring parameters; then, acquiring the identification parameter related to an idling / slippage characteristic space by a multi-sampling rate expansion kalman filter method; meanwhile, using a data drive-based idling / slippage decision algorithm to obtain the judgment of idling / slippage trend by on-line data; and finally, based on the information, realizing the idling / slippage identification of a locomotive. The method has the beneficial effects that the electrical time constant of the traction motor transition process is far shorter than the mechanical time constant of the traction motor transition process, so that the time lag is greatly reduced, and the method can rapidly realize the locomotive idling / slippage identification so as to open up a space for optimizing an adhesion coefficient; and according to the method, d a speed sensor is not needed, thus saving the cost and improving the system reliability.

The invention discloses a method for judging strong barrier coverage of a directed sensor network in the technical field of wireless communication, which is used for solving the problem of researching existence of the strong barrier coverage of the traditional directed sensor network. The method comprises the steps of: randomly deploying directed sensor nodes, wherein the directed sensor nodes self-recognize to form a directed sensor network through a broadcasting manner; generating a virtual node for each directed sensor node by a sink node, wherein the virtual node also has a perceptive direction and a perceptive region; constructing a directed coverage connected graph by the sink node according to the generated virtual nodes and two virtual boundary nodes; and traversing the directed coverage connected graph by the sink node and judging whether the directed sensor network meets the strong barrier coverage. According to the invention, the limits of simple assumption, large computation and the like of the traditional judging method in practical application are overcome, and the judgment of the strong barrier coverage of the directed sensor network is effectively realized.

The invention discloses a vehicle driving state judgment method and device and a storage medium, and the method comprises the steps: obtaining the GPS data of a vehicle at the current moment, and when the GPS data at the current moment and the GPS data at historical moments are all valid data, judging whether the current moment and the historical moment are valid data or not; and determining whether a sudden acceleration event or a sudden deceleration event occurs according to the GPS data at the current moment and the GPS data at the historical moment, and determining whether a sudden left turn event or a sudden right turn event occurs according to the GPS data at the current moment and the GPS data at the historical moment. According to the method for judging the driving state of the vehicle provided by the embodiment of the invention, the driving state of the vehicle only equipped with a basic communication module and a GPS (Global Positioning System) can be judged, namely the driving state can be judged at lower hardware cost.

The invention provides a pavement patching area extraction and patching type determination method. The method comprises the following steps: step 1, patching area coarse extraction and patching type determination based on YOLOv5; 2, preprocessing the image; step 3, performing block repair candidate region extraction based on superpixel segmentation; step 4, performing false detection and removal of the block-shaped repair area; step 5, marking a block-shaped repairing area; step 6, carrying out super-pixel segmentation preprocessing on the strip-shaped repairing area; 7, judging a low-contrast area; 8, performing strip-shaped repair extraction on the high-contrast area; step 9, performing strip-shaped repair extraction of a low-contrast area; and step 10, marking the strip-shaped repair area. According to the technical scheme, block-shaped and strip-shaped repairing areas of the pavement can be extracted with high precision, and particularly, the repairing areas are extracted under a low-contrast background.