152results about How to "Improve response accuracy" patented technology

The invention provides a linkage defense strategy intelligent decision method and system of a security protection device. The method includes steps: when receiving an alarm message, selecting a corresponding defense strategy triggering condition in predefined defense strategy triggering conditions according to an alarm type, and establishing a network attack graph according to a bug related to thealarm message; determining a corresponding linkage defense strategy in a pre-established defense strategy template database according to the selected defense strategy triggering condition, and generating a to-be-selected linkage defense strategy set; calculating system security risk values of the strategies acting on the network attack graph in the set one by one; and determining a final linkagedefense strategy according to the system security risk values. According to the above scheme, acquisition, deep data mining and event associative analysis of IT resource events in a network security domain are performed, and monitoring and management of various security events can be realized; and a decision service is provided for secure operation of an information system based on a development trend of overall information security, and the security of network assets and normal operation of the network are ensured.

The invention discloses an effluent and drain temperature measurement and calculation method of a heater with a drain cooler on a steam turbine. The method comprises the following steps: a machine set design condition or a performance test condition is selected as a reference condition; the case side pressure, the case side steam extraction enthalpy, the drain temperature, the effluent temperature, the inflow temperature and the machine set power of the heater under the reference condition are selected to calculate the heat transfer characteristic coefficient of the pure condensation section and the drain cooling section of the heater under the reference condition; the case side pressure, the heater inflow temperature and the machine set power under the actual condition are read or calculated in the database of a monitoring information system SIS or a decentralized control system DCS of a heat-engine plant; the heat transfer characteristic coefficient of the pure condensation section of the heater under the actual condition is calculated by the corresponding heat transfer characteristic coefficient of the pure condensation section of the heater under the reference condition; the actual effluent temperature is obtained by iterative computation; the heat transfer characteristic coefficient of the drain cooling section of the heater under the actual condition is calculated according to the heat transfer characteristic coefficient of the drain cooling section of the heater under the reference condition, and the drain temperature is obtained by iterative computation.

The invention discloses a frequency control method and system for an interconnected power system containing energy storage resources. The control method comprises the following steps: establishing a frequency response model of a regional interconnected power system containing energy storage frequency modulation resources; performing frequency division processing on the ACE signal to obtain a powerreference value borne by a traditional unit and an energy storage resource; establishing a space state model and discretizing the space state model; designing a distributed model prediction controller, and establishing an optimization objective function and constraint conditions; and solving a quadratic programming problem formed by the optimal objective function and the constraint condition to determine an optimal control sequence, and enabling a first control variable in the control sequence to act on a traditional unit and energy storage resources to realize optimal control. The control strategy provided by the invention can reasonably allocate the frequency modulation responsibilities of a traditional unit and the energy storage resources, gives play to the advantages of quick outputof energy storage and large frequency modulation capacity of the unit, and can quickly stabilize the frequency fluctuation caused by load and new energy injection in a power system.

The invention discloses a temperature, humidity and wind speed integrated sensing system of a fiber grating. The system comprises a pump laser, a wavelength demodulator, a computer terminal, a wavelength division coupler, an optical fiber connector, a control line, a testing fiber 1 which is connected to a jump fiber in a testing environment, a testing fiber 2, and a temperature reference fiber. The three fibers comprise at least 13 testing points, the temperature, humidity and wind speed parameters of multiple points are obtained through measurement, wherein the two testing fibers and the temperature reference fiber are connected to three paths of measurement ports, the pump laser enters into the testing fiber 1 for measuring the wind speed parameter through the wavelength division coupler, and the pump laser is used for heating the high absorption loss fiber section connected to the testing fiber 1, which means that the a fiber hot wire is heated for wind speed measurement. According to the system, the synchronous high-precision measurement of the three parameters which are the environment temperature, the humidity and the wind speed can be realized.

The invention relates to a reaction process concentration control method of a precursor for a lithium battery material. The method comprises the steps that: a level controller in a reaction kettle feeds back the change of the charging total quantity at different reaction steps in real time; a PLC (programmable logic controller) control system controls a circulating pump to pump material in the reaction kettle into a concentration tank; the PLC control system adjusts the discharge of concentrated filtrate in the concentration tank in time; concentrated material returns the reaction kettle; the concentrated material continuously remains in the reaction kettle to be fully reacted; the concentration of solid precipitate in the reaction kettle is controlled to reach 5 to 60 percent; the specific gravity of the solid precipitate to a mother liquor mixture is controlled to be 1.1-1.8g / cm3. The method has the advantages that the circulation concentration and automatic discharge of the material in the reaction kettle are controlled through the PLC control system, the automation control level is high, the reaction accuracy is high, the reaction time of the material in the reaction kettle can be effectively prolonged, sufficient reaction is guaranteed, and the capacity and the product quality are improved.

The invention discloses a micro spring cantilever beam micro heater with soaking plate which comprises a silicon base, an insulation film, a heating unit and a soaking plate, wherein a through hole is formed in the middle of the silicon base, the insulation film covers on the base and the through hole and the insulation film covers a cantilever beam; the heating unit comprises a heating wire and an electrode, the heating wire is arranged on the cantilever beam, and the electrode is arranged on the insulation film; the soaking plate is arranged in the through hole and is connected below the cantilever beam. A preparation technology is also provided. The cantilever beam is adopted for reducing heat conduction heat dissipation of the micro heater; a composite insulation film is adopted for compensating the stress and increasing structure stability of the cantilever beam; the micro spring is adopted for releasing intrinsic stress of the composite membrane and thermal expansion stress generated when the micro heater works; the soaking plate is adopted for greatly improving temperature uniformity of reaction region and improving reaction precision; silicon base MEMS technology is adopted for having perfect compatibility with large scale integrated circuit technology and is suitable for mass production.

Embodiments of the invention provide a voice keyword recognition method and device, electronic equipment and a storage medium. The method comprises the following steps of extracting an acoustic stateposterior probability distribution vector of each frame in voice data corresponding to a to-be-recognized word, wherein the acoustic state posterior probability distribution vector of any frame comprises a posterior probability of any frame relative to a plurality of acoustic states; and inputting the acoustic state posterior probability distribution vector of each frame in the voice data to a keyword recognition model so as to obtain a keyword recognition result corresponding to the to-be-recognized word and output by the keyword recognition model, wherein the keyword recognition model is obtained by training based on a sample acoustic state posterior probability distribution vector of each sample frame in a sample word and a keyword identification of the sample word. According to the method, the device, the electronic equipment and the storage medium, the recognition precision can be improved, the misjudgment problem of similar words is avoided, the response accuracy is improved, andthe user experience is optimized.

The invention provides a robot chatting method based on word vectors and a recurrent neural network. According to the invention, the method comprises steps of adopting a continuous bag-of-words modelCBOW to train an autonomous word vector file; calculating sentence similarity according to the word vectors; retrieving a question with the highest similarity with the test question; and comparing with a preset sentence similarity threshold, performing generative reply by utilizing a multi-layer bidirectional network model LSTM and an attention mechanism attention iterative training model when thesimilarity is lower than the threshold, and outputting an answer corresponding to the maximum similarity question for reply when the similarity is higher than the threshold. The problem that a traditional generation type chatting robot is not high in reply accuracy is solved. According to the method, the reply accuracy of the chat robot can be remarkably improved, the grammatical semantic error rate of the replying of the generative chat robot is reduced, and compared with a single generative chat robot, the method has higher interpretability and has important significance for research of a question and answer system in the field of chat.

The invention discloses a wide-speed sliding-mode observer of sensorless brushless direct-current motor. Speed application range of the sliding mode observer can be enlarged by the aid of the wide-speed sliding-mode observer, estimation in wide-speed range is realized, and speed control on a wider range is realized. Reference input speed of the brushless direct-current motor is divided into three speed intervals of low speed, medium speed and high speed, and boundary layer thickness is adjusted according to the different reference input speed of the direct-current motor; the boundary layer thickness is increased in low speed, and chattering is effectively suppressed; the boundary layer thickness is reduced in high speed, and response speed of the observer is increased, error of estimation is reduced, observation range and estimation precision of the sliding-mode observer are accurately improved as a whole, and better estimation effect and wider range of speed control are acquired; meanwhile, sinusoidal saturation function is taken as sliding-mode surface function, effective chattering suppression can be achieved without using a low-pass filter, and the sliding-mode observer is fast in convergence and high in estimation precision.

The invention provides an intelligent dialogue system response method based on tree kernel computing and an intelligent dialogue system. The response method comprises the following steps: training Chinese words to obtain a word vector table; acquiring a question sentence A1 input by a user, and selecting one question sentence as A2 by the system in sequence; inputting A1 and A2 into a word segmentation tool to obtain sentence word sets C1 and C2; inputting C1 and C2 into a syntactic analyzer to obtain a syntactic tree T1T2; trimming the T1 and the T2; inputting the trimmed T1 and T2 into a tree kernel calculation model to obtain similarity scores of the T1 and T2; calculating to obtain similarity scores of A1 and A2 according to the similarity scores of T1 and T2; recording similarity scores of A1 and A2, and judging whether another question sentence exists or not as A2; and selecting the question sentence with the maximum similarity with the A1, and outputting the answer corresponding to the question sentence as a result. Compared with the prior art, the tree kernel computing-based intelligent dialogue system response method and the intelligent dialogue system are higher in accuracy.

The embodiment of the invention discloses a voice interaction method and device of an application program, equipment and a medium, and relates to the technical field of voice. According to the specific implementation scheme, a voice instruction registration request about an application program is responded, a registration voice instruction set supported by the application program in a target program state is obtained, and the registration voice instruction set comprises voice instructions and callback instructions which correspond to the voice instructions and can be recognized by the application program; a user voice instruction is acquired for the application program in the target program state; the user voice instruction matches in a registered voice instruction set, and a callback instruction corresponding to the user voice instruction is determined; and a callback instruction is sent to the application to enable the application to execute an operation matched with the user voice instruction according to the callback instruction. According to the embodiment of the invention, the response accuracy of the user voice instruction can be improved, and the implementation process of the voice interaction function of each application program is simplified.

The invention discloses an effluent and drain temperature measurement and calculation method of a steam turbine surface-type heater. The method comprises the following steps: a machine set rated power design condition or a performance test condition is selected as a reference condition; the thermal parameter of the j-grade heater under the reference condition is selected; the heat transfer characteristic coefficient of the pure condensation section of the heater under the reference condition is obtained by calculation according to a heat transfer equation of the pure condensation section; according to the heat transfer characteristic coefficient of the pure condensation section of the heater under the reference condition, the numerical experimentation, the model parameter identification algorithm based on a sample and the machine set power Pe under actual conditions, the heat transfer characteristic coefficient of the heater under the actual conditions is obtained; and finally, according to the heat transfer characteristic coefficient under the actual conditions, the effluent temperature under the actual conditions is calculated, wherein, the drain temperature under the actual conditions is equal to the saturation temperature corresponding to the side pressure of a heater case under the actual conditions.

The invention discloses an equipment control method, a device, a system and household electrical appliance equipment; the control method comprises the following steps: monitoring whether a human body shows in an equipment controller assigned scope or not; if yes, determining whether the human body behavior purpose is to approach the equipment controller or not; if yes, starting the equipment controller control function. An external camera and the equipment controller can be linked to greatly enlarge the detection scope, thus preventing detection blind angles; the method and device use an approach algorithm to determine the human body purpose for reaching the equipment controller, thus reducing equipment controller mal-wakening rate, and improving the equipment controller reaction accuracy.

The invention provides an online question answering system based on image information and voice information. The online question answering system comprises a question asking client, a server system and a question answering client. The question asking client is used for acquiring a picture file which comprises test question information and transmits the picture file to the server system. The server system is used for identifying the character and pattern elements of the picture file, matching for generating test question answers, analyzing and automatically transmitting to the question answering client. The server system is provided with a discrimination transmitting module for screening the picture file which cannot be identified or cannot be answered and transmitting the picture file to the question answering client. The question answering client is used for receiving the file picture which is transmitted by the server system, recording the question answering information and transmitting the question answering information of a question answerer to the question asking client through the server system. The online question answering system improves answering accuracy for the picture file which cannot be identified or cannot be answered in the online question answering system.

The invention discloses a gas logging total hydrocarbon correction method and belongs to the technical field of oil and natural gas exploration and development. The gas logging total hydrocarbon correction method comprises the following steps that a, correlation analysis is conducted on a gas logging displayed total hydrocarbon value of a regional oil testing section and corresponding testing data, and a correlation formula of the gas logging displayed total hydrocarbon value of the regional oil testing section and the corresponding testing data is built; b, based on the correlation formula, by combining the drill bit size, the drilling liquid displacement, the influence mode of the drill time on gas logging total hydrocarbon and a gas logging total hydrocarbon correction target, a gas logging total hydrocarbon correction model is deduced; and c, a correction value obtained by substituting the regional data into the gas logging total hydrocarbon correction model is subjected to correlation analysis with the corresponding drill bit size, the corresponding drilling liquid displacement and the corresponding drill time, and a gas logging correction formula is obtained. Gas logging total hydrocarbon can be corrected according to the correction method, and responsiveness of gas logging total hydrocarbon for the gas bearing characteristic of a formation is promoted.

The invention provides a multiport impedance model construction method based on living body electric shock impedance parameter calculation. The multiport impedance model construction method comprises the following steps: collecting multiple groups of low-voltage power distribution network living body electric shock signals of a living body test object under situations of complete skin and broken skin; according to the living body electric shock signals, obtaining a living body electric shock impedance parameter; according to the living body electric shock impedance parameter, utilizing a nonlinear time varying resistor and a capacitor element to establish a test living body electric shock impedance circuit model, and describing the transient state transition process of the living body electric shock; and according to the living body electric shock impedance circuit model, on the basis of an extrapolation method, obtaining the multiport impedance model of the living body electric shock. The method can calculate the living body electric shock impedance parameter and establish the multiport impedance model, which has high response accuracy, of the living body electric shock, and realizes the precise description of the transient state transition process of the living body electric shock under the power frequency situation of the low-voltage power distribution network.

The invention relates to a drilling electric shock alarm system for a trenchless drilling machine. The drilling electric shock alarm system comprises an electromagnetic induction coil, a signal processing controller and an alarm device. The electromagnetic induction coil adopts a full-closed packaged manner and is arranged at the position of a front transparent cover of a power head of the trenchless drilling machine or at the drill rod protection short circuit position or the position close to a clamp; the electromagnetic induction coil is used for generating an induction electromotive force signal after a drill bit suffers from an electric shock; the signal processing controller is a micro processing system and is used for amplifying an acquired induction signal, transmitting the signal to a comparison circuit, outputting a corresponding digital signal by the comparison circuit and controlling the on-off of an alarm switch; and the alarm device adopts an acousto-optic integrated rotary alarm lamp and is used for producing alarm sound and rotationally flickering to emit light. The drilling electric shock alarm system can be used for detecting the electric shock condition of the drill bit in real time and immediately giving an alarm in the drilling process so as to prompt an operator to adopt measures to avoid an accident; the alarm system has a simple structure, is low in cost, has high response accuracy and a high speed and is convenient to install and debug; the safety of production is improved; and the drilling electric shock alarm system is suitable to use when various trenchless drilling machines drill.

The invention relates to a method and special check valve for preventing contraflow of an oil circuit of a transformer and belongs to the technical field of transformers. According to the technical scheme, a supporting plate is welded on the upper wall of a valve box, the supporting plate is of a shaft sleeve structure, a rotary shaft is arranged in the shaft sleeve, and a baffle is fixed on the rotary shaft; the upper end of the baffle is fixed on the rotary shaft, a first limiting base and a second limiting base are arranged on the two sides of the lower end of the baffle respectively, a first limiting plate is arranged on the lower wall of the interior of the valve box and is matched with the first limiting base, and a second limiting plate is arranged on the upper wall of the interior of the valve box and is matched with the second limiting base. The method and special check valve for preventing contraflow of the oil circuit of the transformer have the advantages that the structure is simple, installation is convenient, feasibility is strong, and the oil flow can be unblocked and cut off reliably. According to the method and special check valve for preventing contraflow of the oil circuit of the transformer, by means of the gravity principle, the check valve is superior to an electric check valve or a spring type check valve, and the problem that the oil flow of the check valve is blocked due to a power failure or spring failure is solved; due to the fact that the rotary shaft is located at the position of the protruding supporting plate, the influence on the forward oil flow is reduced, and the reverse oil flow is blocked more quickly and completely.

The invention relates to a statement classification model training method and device, a computer readable storage medium and computer equipment, and the method comprises the steps: obtaining a searchstatement set which comprises a plurality of to-be-replied search statements; performing screening from the search statement set according to a preset screening rule to obtain a candidate search statement set; inputting the candidate search statement set into the original statement classification model to obtain domain search statements corresponding to the concerned domain; searching a preset search statement library to obtain a target search statement matched with the domain search statement; taking the candidate answer corresponding to the target search statement as a domain answer corresponding to the domain search statement to obtain a domain question and answer pair corresponding to the concerned domain; and inputting the domain search statement corresponding to the domain question and answer pair into the original statement classification model for training until a convergence condition is met to obtain a target statement classification model. According to the scheme provided bythe invention, the search statement reply accuracy can be improved.

The invention discloses a method for measuring the temperatures of the out-flowing water and the discharged water of a heater of a turbine steam cooler, which comprises the following steps: selecting a design condition or performance test condition of an assembling unit as reference conditions, and selecting the thermodynamic parameters of the j(th) heater under the reference conditions, wherein the thermodynamic parameters comprise a shell pressure, an extraction temperature, a shell extraction enthalpy, an out-flowing water temperature, a water inlet temperature and a power of the assembling unit; calculating the heat-transfer characteristic coefficient of a stream cooling section of the heater under the reference conditions; reading or calculating the actual shell pressure, extraction temperature, water inlet temperature of the j(th) heater and the actual power of the assembling unit from a supervisor information system (SIS) or decentralized control system (DCS) of a heat-engine plant; calculating and obtaining the heat-transfer characteristic coefficient of the heater according to the heat-transfer characteristic coefficient of the stream cooling section of the heater and the actual power of the assembling unit; and finally obtaining the out-flowing water temperature under the actual conditions by carrying out iterative computations, wherein the out-flowing water temperature is equal to the saturation temperature under the shell pressure.

The invention discloses a response strategy generation method and device. The method comprises: receiving problem information of a target user, and carrying out emotion analysis; obtaining a user intention of the target user according to an analysis result of the emotion analysis and a preset intention classification rule; according to the user intention and the user portrait, obtaining corresponding response information in a preset knowledge graph, the user portrait being constructed according to user data of a target user; problem information of a target user is received; an emotion analysismode is carried out; an analysis result of emotion analysis and a preset intention classification rule are used. According to the technical scheme, the user intention of the target user is obtained,the purpose of obtaining the corresponding response information in the preset knowledge graph according to the user intention and the user portrait is achieved, and therefore the technical effect of improving the response accuracy of the robot is achieved, and the problem that the response accuracy of the robot is low in the related technology is solved.

The invention provides an information processing method comprising the following steps: determining an input operation to be a first type, further analyzing the mode to which touch information belongs; when a preset parameter of the touch information is in a first mode, judging that the touch information belongs to the first mode, and matching a first instruction from a first candidate instruction set corresponding to the first mode; and when the preset parameter of the touch information is in a second mode, judging that the touch information belongs to the second mode, and matching a second instruction from a second candidate instruction set corresponding to the second mode. By adopting the method, after determining finishing the type of the input operation, the touch information which belongs to the first type is further subjected to mode judgment, so as to determine corresponding instructions of the touch information in different modes in the different candidate instruction sets, and execute the corresponding instructions of the touch information in the different modes in the different candidate instruction sets; different response modes can be achieved aiming at different operation gestures of an operation body; the target position of a user can be accurately determined by combining with different response modes; and the response accuracy of electronic equipment on the user operation is improved.

The invention provides a mistaken touch prevention interaction method which is applied to a mobile terminal, the mobile terminal displays a graphical user interface, and the method comprises the following steps: receiving a suspension operation acting on the graphical user interface; obtaining initial operation parameters of the suspension operation; determining a control operation parameter in the initial operation parameters according to a response threshold, the response threshold being used for the mobile terminal to select an operation parameter capable of being responded by the mobile terminal from the initial operation parameters; and controlling the graphical user interface according to the control operation parameters in the suspension operation. The invention further provides a mobile terminal and a computer readable storage medium. In this way, the mobile terminal only responds to the control operation parameters conforming to the response threshold value, but rejects to respond to the invalid operation parameters, so that the response accuracy of user operation is improved, and screen sliding disorder is avoided.

The invention relates to the technical field of a moving-center-pass antenna, in particular to a motor servo power driving circuit, which comprises a power supply circuit, a main control single-chip microcomputer, a triangular wave generating circuit, a current sampling circuit, a MOSFET driving circuit and a PWM wave generating circuit. The power supply circuit is used for supplying power; The main control single chip microcomputer is used for outputting the control voltage; The triangular wave generating circuit is used for generating a triangular wave signal; The current sampling circuit isused for detecting the current flowing through the circuit in the motor and outputting two detection voltages; the current sampling circuit is used for detecting the current flowing through the circuit in the motor and outputting two detection voltages. The MOSFET driving circuit is used for driving the motor to rotate; The PWM wave generating circuit is used for superimposing the two input detection voltages and the control voltages. The invention generates two limiting signals, compares the two limiting signals with the triangular wave signal, and finally generates two PWM signals and outputs them to a MOSFET driving circuit. The invention has high response speed and high precision.

The invention relates to a method for measuring and calculating the temperature of effluent and drain from a heater with a steam cooler and a drain cooler of a steam engine. The method comprises the following steps: selecting machine set design conditions or performance test conditions as standard conditions, and selecting thermal parameters of the heater under the standard conditions, wherein the thermal parameters comprise shell side pressure, steam extracting temperature, drain temperature, effluent temperature, water inlet temperature and power of the machine set; calculating the heat transmission characteristic coefficients of a steam cooling section, a pure condensation section and a drain cooling section of the heater under the standard conditions; reading or calculating the shell side pressure, the steam extracting temperature, the water inlet temperature of the heater and the power of the machine set under the actual conditions from the database of a supervisory information system(SIS) or a decentralized control system (DCS) in a heat-engine plant; calculating to obtain the heat transmission characteristic coefficients of the pure condensation section of the heater under the actual conditions; carrying out iterative computations to obtain the actual middle transition temperature and the drain temperature of the steam cooling section and the pure condensation section; calculating to obtain the actual heat transmission characteristic coefficients of the steam cooling section of the heater; and finally carrying out iterative computations to obtain the effluent temperature.

The invention discloses an automatic boosting device for an excavator. The device comprises a controller, a boosting electromagnetic valve and a pressure sensor, wherein the boosting electromagnetic valve is connected in series between an overflow valve of a main valve of the excavator and a hydraulic liquid return pipeline of the excavator, the pressure sensor is arranged on a main pump of the excavator, the controller monitors the pressure of the main pump of the excavator through the pressure sensor, and turning-on and turning-off of the boosting electromagnetic valve are controlled by the controller.

The invention discloses a large-load high-frequency-response electro-hydraulic servo vibration device working under a highly-centrifugal field. The vibration device is mounted on a hanging basket of arotating arm of a centrifuge and driven by a hydraulic system; the vibration device comprises a model box, a bottom plate, a vibration table top and a hydraulic cylinder, and the hydraulic system comprises a high-pressure oil pump, a main oil inlet energy accumulator, a main oil return energy accumulator, a secondary oil inlet energy accumulator and a secondary oil return energy accumulator; thelarge-load high-frequency-response electro-hydraulic servo vibration device working under the highly-centrifugal field can be an electro-hydraulic servo vibration device with high load and frequency response under the highly-centrifugal field; the device effectively overcomes the defects of vibration devices and ground vibration devices based on other principles and has the advantages of high driving load capacity, high response frequency, large frequency response range, high response precision and the like, and the requirement of seismic simulation experiments of soil structures under the centrifugal field can be well met.