58results about How to "Improve broad applicability" patented technology

The invention provides a data-driving control process monitoring method based on dynamic component analysis. The method comprises the steps of (1) establishing ICA and DICA process statistics models according to multiple detection variables obtained from continuous detection, and defining statistics I2 relevant to independent variables belonging to non-Gaussian distribution in measured variables according to the DICA process statistics model; (2) establishing PCA and DPCA process statistics models for a process information matrix E left over after non-Gaussian distribution measured variable extraction, and defining statistics T2 and SPE of the detected variables in pivot element space and residual space; (3) obtaining similarity indexes ISM to serve as monitoring indexes through training by means of the support vector data description algorithm which is input by the performance indexes Lambda = (I2, T2, SPE); (4) comparing actual monitoring indexes ISM with IMAX and getting the conclusion that faults appear in the current control process if ISM>IMAX. According to the data-driving control process monitoring method based on dynamic component analysis, the number of monitoring diagrams can be reduced, and monitoring efficiency can be improved. The data-driving control process monitoring method based on dynamic component analysis can be widely used for multivariable control system monitoring such as industrial process control.

The invention relates to a variable amount spraying device capable of automatically mixing pesticide. The variable amount spraying device capable of automatically mixing the pesticide can adjust the amount of the automatically-sucked pesticide according to the requirements of spraying to change the concentration of spray, and can achieve the purpose that the pesticide and water are separately stored. The variable amount spraying device capable of automatically mixing the pesticide comprises a water tank for storing the water, a pesticide tank for storing liquid pesticide, a solenoid valve playing a role in protection, a mode backflow check valve, a jet flow pesticide mixing device, a pressure gauge, a plunger pump for providing power needed by spraying, a flow meter, pipelines and spraying nozzles. The pesticide and the water are independently stored, the variable amount spraying device capable of automatically mixing the pesticide can automatically and stably carry out pesticide suction in the process of spraying, on-line uniform mixing can be carried out, and real-time control over the amount of the sprayed pesticide can be carried out. In order to meet the requirement for developing high-efficiency agriculture, the variable amount spraying device capable of automatically mixing the pesticide can be mounted on a vehicle, and can be hung on an ordinary agricultural machine, and power of the variable amount spraying device capable of automatically mixing the pesticide can be provided by the ordinary agricultural machine, and large-area high-efficiency spraying operation can be achieved.

The invention provides a management method of ecological flows river based on reservoir operation. The management method comprises the following steps: firstly, establishing a basic scheme, a compromise propose and an ideal scheme on the ecological flows management to be respectively suitable for the demands of high, medium and low water supply guarantee rate, and maintain health state of the basic, good and ideal ecological system of the river, simultaneously, dividing the capacity space of the reservoir to correspond to the management scheme of the ecological flows from top to down in sequence; then adopting a reservoir operation curve to guide so as to supply the water for the people and forming an integral reservoir ecological operation scheme by combining with the management scheme of the ecological flows; and finally applying a genetic algorithm, taking the water supply guarantee rate meeting the plan as the basic constrains and taking disturbance which reduces hydrologic regime of the river as an optimal target to optimize parameters of the reservoir capacity partition, dispatch curves and the like, so that the management scheme of ecological flows of the river based on the reservoir operation is obtained. The method can be suitable for demands of the different water supply guarantee rates, provide the optimized ecological flows process and effectively protect the ecological system of the river.

The invention belongs to the technical field of personnel flow prediction, and provides a community personnel flow prediction method and system, a storage medium and equipment. The community personnelflow prediction method comprises the steps of obtaining community personnel flow related data in a historical time period adjacent to a to-be-tested time period, wherein the community personnel flowrelated data comprises flow quantity, flow direction and external influence factor data; preprocessing the community personnel flow related data in the historical time period by adopting a variationalmode decomposition method, and extracting a plurality of intrinsic mode components and residual components; inputting the intrinsic mode component into a time sequence model and outputting an initialcommunity personnel flow prediction result, inputting the residual component into an allowance prediction model and outputting a community personnel flow external influence prediction result, superposing the initial community personnel flow prediction result and the community personnel flow external influence prediction result, and obtaining a final community personnel flow prediction result. Thecommunity personnel flow prediction precision and resource allocation can be improved.

The invention discloses a content-based block adaptive image contrast enhancing algorithm to solve the problem that adaptive processing of various degraded images with different characteristics can not be achieved in the prior art by the adoption of the data driving idea. According to the method, by means of block analysis and processing, images are better processed by means of the details and local information of the images; a parameterized enhancement function is established and can change the characteristic of an enhancement curve by adjusting relevant parameters, and then a corresponding enhancement function curve is generated for each image according to the characteristic of the image; features relevant to the enhancement function are extracted through content analysis of image subblocks, and matched enhancement parameters are automatically generated according to the features and assigned to the enhancement function to enable the features of the images to be organically related with the characteristics of the enhancement function. By the adoption of the method, adaptive processing of various degraded images with different characteristics can be achieved without manual intervention.

The invention provides a reciprocating spraying robot and a control device and a spraying control method thereof. The reciprocating spraying robot comprises a three-axis motion mechanism, a paint supply device and a control device; the control device comprises a control unit and a touch screen, a keyboard and a control switch connected with the control unit; and the control unit comprises a spraying program setting module used for driving the touch screen to display a program setting interface and generating a spraying program according to received spraying control information input by the touch screen, the keyboard or the control switch, and further comprises a paint spraying module for calling the spraying program, driving the three-axis motion mechanism to move according to a spraying track and controlling the paint supply device, an atomizer or a spraying gun to perform spraying according to a spraying formula and spraying parameters. Through the reciprocating spraying robot, the effect of flexibly setting and adjusting spraying actions according to spraying demands is achieved, so that the wide applicability of the reciprocating spraying robot is improved.

The invention provides an audio recommendation method and device, electronic equipment and a computer storage medium, and relates to the technical field of artificial intelligence. According to the embodiment of the invention, in response to a page display request triggered by a target account, the reference audio corresponding to the target account is acquired according to the historical behaviordata of the target account, and at least one to-be-recommended audio is screened out from the candidate audio set according to the sound spectrum information of the reference audio and the sound spectrum information of each candidate audio in the candidate audio set, and the at least one screened to-be-recommended audio to a target account is recommended, according to the embodiment of the invention, the reference audio needs to be determined according to the historical behaviors of the user, and the to-be-recommended audio is screened from the candidate audio set according to the determinedreference audio, so that different audios can be flexibly recommended to the account for different accounts, thereby realizing personalized recommendation of the audios, and improving the user experience. Moreover, the historical behaviors of the target account and the content of the audio are considered at the same time, so that the accuracy of recommending the to-be-recommended audio to the target account is improved.

The invention discloses a mobile emergency drug dispensing system. The system comprises a car body; a drug dispensing machine and a drug cabinet are arranged inside the carriage of the car body, are connected through data lines and are connected with a power source which is arranged inside a car through wires. The invention improves wide applicability and practicability of Chinese medicinal granules and drug dispensing devices, and allows more people to benefit from up-to-date modern Chinese medicine equipment in China.

The invention discloses a positioning method and system based on hull attitude monitoring. The method comprises the steps of: collecting hull attitude monitoring data, carrying out preprocessing, dividing a data set, and setting an input vector; constructing a positioning model based on a time sequence strategy, and performing parameter confirmation on the input vector; performing positioning prediction training on the positioning model on the basis of an LS-VSM and the data set; and setting a positioning training threshold, if the positioning model satisfies the positioning training threshold, outputting the trained positioning model, and inputting a test set into the positioning model to perform testing to obtain a positioning predicted value. According to the positioning method and system of the invention, centimeter-level hull positioning is realized through the positioning model and RTK real-time differential positioning; hull attitude real-time monitoring, real-time hull attitude broadcasting, real-time transceiving, viewing and storage of data of a ground station are realized; data information used by each ship is stored in the cloud, can be called, viewed and analyzed; an IOT wireless data terminal and 5G can be supported; and the positioning precision of the hull is improved, the real-time performance and wide applicability of hull monitoring are improved.

The invention belongs to the technical field of screw blade production equipment, and provides a screw blade cold-rolling mill. The screw blade cold-rolling mill comprises a main machine frame, a first roller, a second roller and a roller angle adjusting member, the first roller is arranged on the main machine frame, the second roller is arranged on the main machine frame, and the roller angle adjusting member is arranged on the main machine frame and used for bearing the first roller and the second roller. Through the technical scheme, the problem of poor product quality caused by difficult adjustment of the roller seam in the prior art is solved.

The invention relates to a centralized measurement and calculation method for the height of a target object. The method comprises the following steps: S1, acquiring a ground object elevation map and aground object distribution map of a research area under the same geographic position information; s2, performing image recognition and classification on the ground object distribution diagram to obtain a target distribution diagram area and a non-target distribution diagram area; s3, according to the non-target distribution map area, extracting a non-target elevation map area in the ground objectelevation map in S1; s4, in combination with the non-target elevation data, performing data interpolation on the blank area in the non-target elevation map area in S3 to obtain the ground elevation of the target area so as to obtain a complete ground elevation map; and S5, subtracting the ground elevation map obtained in the step S4 from the ground object elevation map obtained in the step S1 toobtain height data distribution of the target object. The measuring and calculating method provided by the invention relates to an image recognition and interpolation algorithm, so that the target object pertinence of the method is strong, the centralized measurement and calculation of the height information can be realized, the measuring and calculating efficiency is high, the precision is high,the application is wide, the flexibility is strong, and the dynamic target object height measurement and calculation of different scales can be realized.

The embodiment of the invention discloses a data processing method, equipment and a computer readable storage medium, and the method comprises the steps: obtaining a first user attribute sample text,and obtaining a standard user attribute entity word for representing the first user attribute sample text; obtaining a standard result entity word used for representing a service analysis result, taking the standard user attribute entity word and the standard result entity word as network nodes, and constructing an initial analysis graph network according to the network nodes; obtaining a second user attribute sample text and a service analysis result label corresponding to the second user attribute sample text; and determining a directed conditional probability between network nodes in the initial analysis graph network according to an association relationship between the second user attribute sample text and the service analysis result label to obtain a standard analysis graph network containing the directed conditional probability. The standard analysis graph network is used for predicting a service analysis reference result for the user attribute text. By adopting the method, equipment and storage medium, the accuracy of a service analysis result can be ensured in service data analysis.

The invention discloses an encoder and decoder for transmitting three-dimensional sound signals by using multiple channels, a coding method and decoding method of the encoder and decoder. The encodercomprises a down-mixing and base channel division module, an extended coding module, a DCP packing module and an extended coded data packing module; the down-mixing and base channel division module isused for receiving a base channel and/or a sound object, performing down-mixing and base channel division operation according to a down-mixing scheme and outputting down-mixed compatible base channeldata, an extended base channel and base channel division side information; the extended coding module is used for receiving the sound object, the down-mixing scheme, the extended base channel and thebase channel division side information and outputting extended coded data; the DCP packing module is used for receiving the down-mixed compatible base channel data and packing the down-mixed compatible base channel data into DCP code streams according to a DCP standard; and the extended coded data packing module is used for receiving the extended coded data and outputting extended coded data streams. The encoder, decoder, coding method and decoding method of the invention are compatible with movie servers according with the DCP protocol so as to realize direct playing and can realize three-dimensional sound playback of cinemas when three-dimensional sound processors are adopted to perform playing.

The invention provides a radio frequency transceiving front end, and the front end comprises an antenna, a transmitting end circuit, a receiving end circuit, a radio frequency switch and a blocking capacitor; the radio frequency switch is connected to the transmitting end circuit and the receiving end circuit, the antenna is connected to two ends of the radio frequency switch through the blocking capacitor, the transmitting end circuit is used for amplifying the power of a radio frequency signal to be transmitted, the receiving end circuit is used for reducing the noise interference of the system and amplifying the received radio frequency signal, and the transmitting end circuit and the receiving end circuit are integrated in a package. The radio frequency switch is connected in series with the transmitting end circuit of the radio frequency transceiving front end, and the transmitting end circuit and the receiving end circuit are integrated together, so that the size of the radio frequency transceiving front end is obviously reduced, and the portability and wide applicability of the radio frequency transceiving front end are improved.

The invention discloses a composite multi-station ultra-precision numerical control machine tool. The numerical control machine tool comprises a numerical control machine tool body, a tool bit and a driving motor, wherein the tool bit is connected into the numerical control machine tool body, a fixed block is fixedly connected into the numerical control machine tool body, one side of the fixed block is connected with a connecting base, one side of the connecting base is connected with a workpiece, the connecting base is connected with a fixing mechanism, and the driving motor is fixedly mounted in the numerical control machine tool body. According to the composite multi-station ultra-precision numerical control machine tool, a circular workpiece and an irregular workpiece can be clamped and fixed through the fixing mechanism, the numerical control machine tool can conveniently machine workpieces in different shapes, and the wide applicability of the numerical control machine tool can be better improved; and in the machining process of the workpieces, a clearing mechanism can clear up chippings generated in the workpiece machining process, and the cleanliness of the numerical control machine tool in the machining process can be better kept.

The invention belongs to the technical field of agricultural machinery, provides a precise seed-metering device of the agricultural machinery and in particular relates to a waterwheel type single-seedprecise seed-metering device. The waterwheel type single-seed precise seed-metering device comprises a seed basin arranged at the bottom, a seed-metering device distributed above the seed basin and aguide rail distributed at the front part of the seed-metering device. By adopting the waterwheel type single-seed precise seed-metering device, seed filling and metering of a plurality of rows can realized in one step; a special hole spoon design is adopted so that single-seed seed filling is realized and surplus seeds are removed by gravity; under the action of an overturning mechanism, low-level seed metering is realized, seed falling caused by vibration is reduced and the voiding rate is reduced.

The embodiment of the invention discloses a temperature and humidity calibration method of a detector. The method comprises the steps of obtaining a temperature and humidity calibration request of thedetector; determining a target calibration subprogram corresponding to the target calibration mode according to a preset corresponding relationship between the calibration mode and the calibration subprogram, the target calibration subprogram comprising calibration logic of the temperature and humidity of the detector; executing a target calibration subroutine, calibrating the initial temperaturevalue and the initial humidity value; and obtaining a target temperature value and a target humidity value, so that accurate calibration of the temperature and humidity of the detector is realized, the consistency of the target temperature value and the target humidity value of the detector is ensured, the method can be suitable for detectors in different environments, the efficiency of temperature and humidity calibration of the detector is improved, and the wide applicability of the temperature and humidity calibration method of the detector is also improved. In addition, the invention further provides a temperature and humidity calibration device of the detector, computer equipment and a storage medium.