49results about How to "Solve the problem of inaccurate judgment" patented technology

The invention discloses an automatic judging method, device and system for the service life of a filter screen. According to the automatic judging method, device and system, a wind speed sensor is used for detecting the wind speed change, the fouling and blockage situations of the filter screen are judged according to the attenuation rate of the wind speed, because an air conditioner fan has a fixed wind speed under each of different wind gears, the wind speed would be gradually reduced along with the dirtying and blockage of the filter screen, after the wind speed is reduced to a certain degree, different degrees of warnings are given to the user. Compared with the prior art, the automatic judging method, device and system for the service life of the filter screen solve the dependency on air quality level, do not need air quality detection cost and do not need the user to set manually according to the local air quality level, and therefore, the problem of imprecision due to judging according to the air quality level is solved, and moreover, the user does not need to manually set the air quality level and manually clear the accumulated time; the automatic judging method, device and system for the service life of the filter screen are more intelligent and more friendly to human and very convenient for the user.

The invention discloses a measured value quality monitoring method applied to a local area augmentation system in a satellite navigation system, mainly solving the problem that whether a satellite is available can not be accurately judged in current measured value quality monitoring. The detection steps are as follows: firstly monitoring the locking time of each receiver and each satellite to determine the satellite with normal locking time; secondly carrying out carrier phase acceleration, slope and phase step cycle slip detection on satellites normally locked, carrying out a code pseudo range innovative test on satellites passing cycle slip detection, then carrying out code-load deviation detection on satellites passing code pseudo range innovative test; and finally comprehensively processing the detection results of multiple receivers to obtain the available sate of each satellite. The invention solves the problem of inaccurate judgment when abnormal alarm occurs to satellites in the prior art, and can accurately judge whether a satellite is available, select out truly available satellites, and improve the accuracy of measured value quality monitoring.

The invention relates to a multi-antipode magnetoelectric encoder angle fine division method and device based on integer division judgment. The method comprises the steps that a single-antipode Hall sensor and a multi-antipode Hall sensor measure angle value signals, an analog-to-digital converter performs analog-to-digital conversion on the Hall signals, and a single-antipode angle value and a multi-antipode angle value are obtained through a single-antipode angle calculation module and a multi-antipode angle calculation module; a boundary number integral division and current calculation period multi-antipode angle value pole number calculation module is used for determining a current calculation period multi-antipode angle value pole number calculation value; an angle fine division processing module is used for carrying out angle value fine division processing according to the current calculation period multi-antipode angle value pole number calculation value to obtain the final finedivision multi-antipode angle value. According to the method, the problem that the zero crossing point position of the angle value is difficult to accurately judge due to the signal noise of the magnetoelectric encoder can be effectively solved, the accurate judgment of the number of poles of the magnetoelectric encoder with multiple pairs of poles is realized, and the angle fine division is realized.

The embodiment of the invention discloses a method, a device and a system for realizing packet loss detection. The method comprises the following steps of: when data receiving equipment determines that the value of a first indicator carried by the data receiving equipment is different from the value of the first indicator in the previous data message, the data receiving equipment receives the datamessage; a judgment is determined that the data sending equipment sends the retransmission message of the lost data message; and when it is determined that the retransmission message is lost, a confirmation message of which the confirmation number is the serial number of the lost data message is sent to the data sending device with the value of a second indicator in the confirmation message beingdifferent from the value of a second indicator in a previous confirmation message sent by the data sending device so as to indicate that the retransmission message is lost. Due to the fact that the data receiving device can determine that the data sending device retransmits one data message and notify the data sending device when determining that the retransmitted data message is lost, the data sending device can retransmit the data message again, the number of times of triggering the RTO timer is reduced, and the communication efficiency is effectively improved.

The invention belongs to the charging technical field and relates to a battery charging circuit and a battery charging method. The battery charging circuit provided by the invention is connected with a battery pack and specifically includes a power source conversion module, a control module and an isolation module, wherein the control module is connected with the power source conversion module and the battery pack respectively, and the isolation module is connected with the power source conversion module and the battery pack respectively; the circuit can be used in combination with the battery charging method, and the control module detects the virtual voltage of the battery pack and controls the power source conversion module to output constant current or constant voltage to the battery pack according to the relationship between the virtual voltage and a mode switching value; since the isolation module is additionally adopted, the circuit can judge residual electricity of the battery pack through detecting the virtual voltage under the situation that peripheral connection of the battery pack is not cut off, and therefore, the circuit has high detection accuracy; and the circuit can be more accurately switched to a constant current charging stage, and therefore, a charging process can be greatly accelerated, and charging time can be saved.

The embodiment of the invention discloses a diet preference determination method. The method comprises the following steps: acquiring N groups of edible menu data and N groups of edible meal amount data corresponding to the N groups of edible menu data, wherein N is an integer greater than zero, the N groups of edible menu data and the N groups of edible meal quantity data have a time corresponding relationship; determining priorities corresponding to the edible menus based on the N groups of edible menu data and the N groups of edible meal amount data, wherein the priority is used for representing the user preference degree of the edible menu. The embodiment of the invention also discloses a diet preference determination device and a computer storage medium.

Embodiments of the invention relate to a network element health state detection method and device, relating to the technical field of communication. The method comprises specific steps that a detection device determines sample data of at least one key performance indicator (KPI) of a target network element in a first time window; the detection device obtains a score of fluctuation of any KPI according to the sample data of any KPI of at least one KPI in the first time window and a stability value of any KPI; and the detection device determines a health state of the target network element according to the score of fluctuation of each KPI of the at least one KPI. According to the method, the network element health state is determined based on performance data of a single time point of the network element and performance data in the network element time window. The problem of inaccurate determining based on performance data of a single time point of the network element only is solved. Themethod can identify network element health state more accurately.

The invention discloses a request processing method, device and equipment and a storage medium, and relates to the field of cloud platforms, computer networks and information flows. The specific implementation scheme comprises the following steps: acquiring to-be-evaluated data of each node in a network; according to the to-be-evaluated data, a first preset threshold set, a preset weight set and asecond preset threshold, determining whether nodes with abnormal states exist in the nodes or not; and in response to the fact that the node with the abnormal state exists in the nodes, sending a request sent to the node with the abnormal state to the node with the normal state in the nodes for processing. According to the implementation mode, the state abnormal condition of the node can be accurately evaluated, the request sent to the node with the abnormal state is sent to the node with the normal state in time, and the risk that the user request cannot be processed is avoided.

The invention discloses a driving assistance mode switching method, device and equipment and a storage medium. The method comprises the following steps: determining a driving intention according to vehicle control information acquired by a vehicle sensor; sensing the surrounding environment through a vehicle body sensor to determine the vehicle deviation degree, and obtaining the current vehicle speed; determining a vehicle driving state through a preset vehicle random motion prediction model according to the vehicle deviation degree and the current vehicle speed; and determining a corresponding target driving assistance mode according to the driving intention and the vehicle driving state, and switching the current mode to the target driving assistance mode. Through the mode, the vehicle driving state is analyzed and determined according to the vehicle deviation degree and the current vehicle speed, and the switching mode is determined according to the driver intention and the vehicle driving state, so that the driving auxiliary mode switching is more intelligent, the influence of the subjective consciousness of the driver on the auxiliary mode switching is avoided, the accuracy of driving auxiliary mode judgment is improved, and the driving safety is improved.

The invention discloses a full-automatic intelligent water supplementation device which comprises a storage battery, a water source control system, a gate device and a water level monitoring device. The device is characterized in that the storage battery supplies working power to the water source control system, the gate device and the water level monitoring device; the water source control system is provided with a time relay, a starting relay and a closing relay; the gate device is provided with a self-locking relay, a first relay, a second relay, a first limiter, a second limiter, a limiting rod, a motor, a gate and a water pipe; the limiting rod is fixedly connected to the gate; the first limiter and the second limiter are arranged on a gate frame; the limiting rod, the first limiter and the second limiter form a lifting switch of the gate.

The invention discloses a drill working state automatic identification method suitable for a hydraulic drill. The method comprises the following steps: receiving a hook load value measured by a weight sensor, a hook displacement value measured by a winch sensor, a drilling liquid flow value measured by a pump stroke sensor and a lower pressure value measured by a pressure sensor; setting a hook load threshold value, a lower pressure threshold value, a shaft bottom overhead threshold value, a drilling fluid flow threshold value and a drilling pressure threshold value; automatically identifying the drill state according to a judging basis. The drill working state automatic identification method is suitable for the conventional drill as well as the hydraulic drill, the working state of the hydraulic drill can be identified accurately, and the problem of inaccurate of state judgment under the condition of small difference between heavy hook loads and light hook loads existing in the conventional method can be solved.

The invention discloses a text recognition model training method which comprises the steps that sample enhancement is carried out on a training text to obtain a plurality of training corpora, the training corpora are provided with labels, and the training text comprises a natural language text; inputting the training corpus into the first model to obtain a vectorized representation of the training corpus; calculating the weight information of each word in the single training corpus relative to the training corpus and the similarity information between the vectorized representations of the plurality of training corpuses; training the first model by using the similarity information and the weight information; inputting the vectorized representation into a second model to obtain a category score of the training corpus; and training a third model by using the category score and the vectorization representation, and determining the trained third model as a text recognition model. The invention further discloses a model training device, electronic equipment, a storage medium and a computer program product.

The invention discloses a micromechanical in-orbit gyroscope fault detection method and device, and the method comprises the steps: constructing an EKF according to a satellite state equation and a system measurement scheme, and obtaining the gyroscope constant drift under a satellite body system according to the EKF; the gyro constant drift under the satellite body system is converted into gyro constant drift under a gyro coordinate system through coordinate conversion; when the odd-even detection system constructed by the gyroscope detects that a fault occurs, compensating an odd-even vector in the odd-even detection system by using gyroscope constant drift under a gyroscope coordinate system; and constructing a judgment function for detecting a noise fault by using the compensated odd-even vector, and carrying out fault detection according to the judgment function. According to the fault judgment method and device, the problem of inaccurate judgment caused by an existing fault judgment method is solved, and the accuracy of fault judgment is improved to a certain extent.

The invention relates to a touch point classification method and device based on an equipment screen; the method comprises the following steps: calibrating equipment; collecting data in a preset period according to calibration, and calibrating the screen position in an image according to the collected data; determining the collected data to cover the equipment screen in a preset threshold, stopping data acquisition, and defining the collected data as training data; carrying out protocol and cleaning operations for the training data, thus forming a training sample; selecting a single class classifier, defining input, output and kernel functions, assigning and training kernel function parameters, and forming a classifier; using the formed classifier to classify touch points obtained by the equipment through the screen, thus obtaining a classification result; using the classification result to determine the touch points. A conventional method cannot accurately determine the touch points; the touch point classification method can solve said problems, can effectively identify noisy points or effective touch points in the touch points, thus providing high accuracy, flexibility and usability.

The invention relates to an enemyarresting training device, which belongs to the field of army training testing, and comprises a pressure sensing device I arranged on an attacker, a pressure sensing device II arranged on a hit person, a processing operation unit for receiving a pressure electric signal, and a terminal device. A force signal is converted into an electric signal through the pressuring sensing device, output, processed and analyzed and is finally judged by the terminal equipment, so that the problem of inaccurate test result judgment caused by shielding and unclear details in an enemy arresting test is solved, the score authenticity of the enemy arresting test is improved, the enemy arresting training quality is improved, and the enemy arresting training device has great significance in improving the fighting capacity of troops.

The invention discloses a medical pressure sore measuring scale and an electronic thermometer. The medical pressure sore measuring scale comprises a device casing, wherein one side of the casing is fixedly connected with a frame, disinfection boxes are fixedly connected with the top and the bottom of the inner wall of the frame, a disinfection pipe is arranged on one side of each disinfection box,one end of each disinfection pipe penetrates through the frame and extends to one side of the frame, a connecting plate is fixedly connected with the bottom of each disinfection box, buffer devices are fixedly connected with the top and the bottom of one side of the frame, and a fixing plate is fixedly connected between two sides of the inner wall of the casing. The top of a fixing plate is fixedly connected with electric telescopic rods, the top ends of the electric telescopic rods are fixedly connected with a rotating seat, the top of the rotating seat is fixedly connected with a photographing device with a photographing function, time watermarks are generated automatically, image data can be retained conveniently, the problem that the pressure sore degree cannot be reflected really dueto different photographing tools is solved, and the medical pressure sore measuring scale has certain use prospects.