50results about How to "Reasonableness of judgment" patented technology

The invention provides a method for implementing plan security check on basis of a power grid operation service bus and aims to solve the problem that a power grid dispatch automation system is lack of a universal plan check method. Firstly, plan check data are obtained, power grid plan data and load prediction data are gathered through the power grid operation service bus in the power grid dispatch automation system, and the plan check data are subjected to data decomposition according to a plan object; then a future mode fracture surface is generated and security check is performed, a power grid flow model of a checked point is corrected according to the plan data so as to form a predicted flow fracture surface at a future plan moment, and power flow calculation and static security analysis are called through the power grid operation service bus to perform security check on the future mode fracture surface; finally, plan security check services are established, the predicted flow fracture surface and check result information at the future plan moment are output through the power grid operation service bus, and plan check is performed through arrangement of the plan security check services in terms of each application system or module.

The invention discloses a displacement experiment artificial core analysis preparing method based on experimental and mathematical algorithms, and the method combines qualitation with quantitation. The method comprises the steps that physical parameters of an artificial core are used as target parameters for preparation of the artificial core; influencing factors of the physical parameters of theartificial core are determined; multiple sets of combined experiment schemes are made, and the artificial core is prepared according to all the combined experiment schemes, and the physical parametersof the artificial core are measured after preparation is completed; preparation condition parameters of all the combined experiment schemes are used as basis, and based on a gray correlation analysismethod, relevancy degrees of all the influencing factors and all the target parameters are determined; according to the relevancy degree rank of all the influencing factors and the target parameters,larger influencing factors and smaller influencing factors are determined; based on a statistic analysis result of the gray correlation analysis method and a BP neural network theory, a particle sizeratio prediction mathematical model is built; a matching prediction result is calculated through the particle size ratio prediction mathematical model and serves as a reference which provides data support for artificial core manufacturing.

The invention discloses a positive solution determining method of a three-connecting-rod type parallel-structured robot. The three-connecting-rod type parallel-structured robot mainly structurally comprises a motion platform (1), three connecting rods (L1, L2 and L3) and three standing columns (2), wherein the motion platform (1) is connected with the three connecting rods (L1, L2 and L3) through three ball hinges (b1, b2 and b3), the three connecting rods (L1, L2 and L3) are connected with three slide seats (3) through three cylinder hinges (R1, R2 and R3), the three slide seats (3) vertically slide on the three standing columns (2), and the three ball hinges (b1, b2 and b3) form a regular triangle. The positive solution determining method has the advantages that random setting of initial solutions is performed by a Monte-Carlo method, all possible solutions are acquired through a large amount of random sampling, a motion platform position and pose diagram is drawn, and accordingly solution reasonability can be judged visually and conveniently; the method is academically significant to and has practical value on 3-PRS parallel robot working space design, analysis and optimization and promoting wide application of the 3-PRS parallel robot to industrial production.

The invention discloses three-dimensional display and dead zone determining method of ground received electromagnetic signals of an unmanned aerial vehicle. The three-dimensional display and dead zone determining method comprises the following steps: firstly, reading downlink data of a communication data chain in a network data reading manner, extracting the electromagnetic signal strength in an area near a ground receiving station from the downlink data, and screening and pre-processing data; then, performing unit modelling and attribute definition of a three-dimensional visual display model according to the receiving position and the numerical value of the data; finally, loading the three-dimensional visual operation of the data in different display lists according to a flight forward journey of the unmanned aerial vehicle by utilizing a computer graphic technology so as to realize three-dimensional visual display of the data; and determining the position of a communication dead zone by using a threshold value judging method, and adjusting the direction of a route so as to obtain the best planned route. According to the invention, the electromagnetic signal strength of the ground receiving end in the flight process of the unmanned aerial vehicle can be displayed dynamically in real time, and therefore, the method disclosed by the invention is applicable to monitoring chain information under multiple links and multiple channels and planning the route.

The invention relates to an automatic modeling method of a hybrid drive system of a series-parallel caterpillar vehicle with a horizontal shaft. The automatic modeling method comprises the steps of determining a D matrix and a Ds matrix, screening structural types, generating unified model matrixes and optimizing a structural type, wherein a final model matrix equation is shown in the description, the Dm represents the composited D matrix, elements on diagonal lines of all lines of the Jm matrix are equal to the sum of rotational inertias of the portions connected with nodes corresponding to the lines, equivalent to the node positions, the portions connected with the nodes are determined through the Dm matrix, the equation represents a composited accelerated speed column vector, and Tm represents a composited external torque column vector. The automatic modeling method can be used for conducting automatic modeling and optimization on the hybrid drive system of the series-parallel caterpillar vehicle and is simple in modeling process, high in modeling efficiency and high in usability.

The invention discloses a multi-modal small sample learning method based on significance, which comprises a multi-modal combination part and a label propagation part, and specifically comprises the following steps: in a multi-modal combination process, firstly, carrying out significance map extraction on sample images of a support set through a pre-trained significance detection network, and separating out foregrounds and backgrounds of the sample images; secondly, acquiring word embedding of support set sample image foreground and background region semantics through a GloVe model as semanticinformation to assist visual information classification; and finally, performing adaptive combination on foreground, background and semantic information of the acquired support set sample image through a modal mixing mechanism to obtain sample feature representation with multi-modal information; in a label propagation process, firstly, subjecting a support set sample and a query set sample after modal combination to graph construction according to a K-nearest neighbor method; and finally, predicting the category of the query set sample without the label through the support set sample with thelabel.

The invention discloses an intelligent monitoring and control system of a vehicle filter. A host control system is integrated with a read-write module, a communication module, an identification moduleand a data acquisition module, wherein the read-write module is connected with a CAN bus interface of an electrical system, the identification module reads and writes information on an electronic tag, the data acquisition module acquires corresponding data information in the filter, a residual service life of a filter element can be estimated according to the information, the communication moduleis connected with a cloud platform through a data link, and the cloud platform is connected with a plurality of clients. In the invention, the host control system comprehensively monitors each pieceof parameter information of the whole filter so as to achieve a purpose of correcting the residual service life of the filter element; and for the different filter elements, related information acquired by an oil product sensor also participates in correcting residual service life information of the filter elements so that neglect of parameter information influencing a pressure drop and a resistance is avoided, a pressure drop value is monitored more accurately, and the residual service life value of the filter can be reflected more accurately.

The invention relates to a method for formulating electromagnetic stirring parameters of a round billet continuous casting crystallizer. In order to overcome the problem that there are few studies on the determination of stirring parameters or the research conclusions are quite different, a combination of steel type, billet size, casting machine and electromagnetic stirring equipment is invented, and the electromagnetic stirring is determined through numerical simulation analysis and experimental verification. The formulation method of parameters such as current intensity and frequency. This method is based on the simulation results of the magnetic field distribution of electromagnetic stirring, and performs coupling calculations on the flow field, temperature field, and movement trajectory of the molten steel in the mold during the electromagnetic stirring process. The rationality of the electromagnetic stirring parameters is judged by investigating and judging the rationality of the electromagnetic stirring parameters, and then the calculation results are compared with the field sampling test to determine the electromagnetic stirring parameters. The method of the present invention can quickly, accurately and effectively determine the current intensity and frequency of electromagnetic stirring under different conditions, significantly reduce inclusions and air bubbles on the surface of the slab and under the skin, expand the equiaxed crystal ratio, improve the quality of the core, and increase the compactness of the structure and uniformity.

The invention discloses a simulation test system and method for a control program of a cigarette sorting system. The method comprises the steps of carrying out the design of the control program whilebuilding a simulation environment, and downloading the control program into a PLC after the design is completed, enabling the PLC to perform input and output linkage communication with the simulationenvironment through the Ethernet, and if the control program does not pass the test, modifying and testing the control program again until passing the test. According to the method, three-dimensionalmodel compiling, model program compiling and testing are integrated into one platform, so that the learning cost caused by switching among multiple pieces of three-dimensional software is reduced, andthe test time is saved; the cigarette model is used as a load for simulation, the motion condition that mechanical equipment is controlled by a control program can be observed, and meanwhile, the influence of the motion of the mechanical equipment on the load can be visually and vividly observed, so that the correctness and rationality of the control program are judged; an order simulation tool is used for automatic test, a large amount of labor cost is reduced, and the test efficiency is improved.

The invention discloses a garbage classification recycling facility adding method and system based on step suitable index improvement, and belongs to the field of municipal engineering and remote sensing. The problem that existing garbage can not be collected and transported in time due to excessive daily energy generation is solved. The method comprises the following steps: acquiring OSM road network data, DEM elevation data, population density and residential area data; connecting OSM road network breakpoints; obtaining a garbage classification output ratio, and calculating a facility score weight according to the garbage classification output ratio; calculating a step-suitable distance attenuation index; obtaining a recovery function index according to the distance attenuation index and the facility score weight; substituting the longitude and latitude of the to-be-calculated area, the OSM road network data and the DEM elevation data into a WalkScore algorithm to calculate and obtain a walking environment index; normalizing the recovery function index and the walking environment index, and adding to obtain a step suitability index; visualizing the step suitability index and the garbage space distribution position, setting a threshold value, and additionally arranging a garbage recycling facility for the space distribution position not higher than the threshold value. The device is used for additionally arranging the garbage classification recycling facility.

The invention discloses a method and device for analyzing a capability dependence relationship in a complex system architecture, and the method comprises the steps of determining the capability, related to each information exchange relationship, of each business according to the information exchange relationship of the business in the complex system architecture and the relationship between the capability and the business; and for the two services with the information exchange relationship, analyzing that the capability associated with the two services has a dependency relationship. By applying the invention, the capability dependency relationship in the complex system architecture can be automatically analyzed, so that the construction and evolution of the complex system can be effectively and scientifically planned.

The invention discloses a fan control system and method aiming at a fan control signal state and belongs to the technical field of server heat dissipation. The fan control system aiming at the fan control signal state is composed of a first node, a second node, a comparator, a trigger and a fan. The first node and the second node are connected with the comparator, and fan control signal recognition algorithms are added to control programs in the first node and the second node respectively. The fan is connected with the comparator, the first node and the second node, and two adjacent fan control signal pins on fan terminal pins are connected. The trigger is connected with the first node, the second node and the fan. According to the fan control system aiming at the fan control signal state, after a backboard comparator breaks down, fan control can still be achieved, the problem of complete machine heat dissipation caused by component faults is avoided, therefore, normal work of a server is guaranteed, and high application and popularization value is achieved.

The invention discloses a laser diode simulation circuit, which belongs to the technical field of electronic circuit. The laser diode simulation circuit comprises a threshold setting circuit, a voltage subtractor circuit and a voltage conversion circuit, wherein the threshold setting circuit is used for setting the threshold of the laser diode; the voltage subtractor circuit is used for subtracting the input voltage of the laser diode from a threshold; and the voltage conversion circuit converts the voltage obtained by subtraction into a constant current output in proportion to the voltage.

The invention is applicable to the electronic tool field and provides a pulse laser seed source light detection tool. The pulse laser seed source light detection tool comprises a test lead, a power supply wire and a circuit board; the circuit board is successively connected to an AC/DC conversion module, a DC voltage reduction circuit and a signal amplification circuit; the AC/DC conversion module is connected to external city power through the power supply wire to convert 220V AC y to 24V DC ; the DC voltage reduction circuit reduces the 24V DC voltage to 12V -5V DC voltage to provide working voltage to the signal amplification circuit; one end of the test lead is connected to a pulse laser seed source light monitoring point and the other end is connected to the input end of the signal amplification circuit; and the signal amplification circuit amplifies the electric signal converted by the monitoring point light signal. The pulse laser device seed source light monitoring point is connected through a test lead, the monitoring point can be chosen and moved according to the needs, and amplification can be performed on the electric signal converted from the monitoring point light signal. The invention can determine whether the light in seed source is transmitted into the amplifier, and is stable in test and high in uniformity.

The invention discloses a method for quickly positioning and measuring the dead load condition of an in-service bridge structure. The method specifically comprises the following steps of: performing layout of measurement and control points and reference points on site according to the geometric morphology of the structure; constructing an absolute coordinate system based on a total station and collecting coordinate data of the reference points; constructing relative coordinates of measurement and control points; according to the absolute reference points P1-P3, obtaining a transmission relation between the absolute coordinate system and the internal and external measurement and control points; a three-dimensional laser scanner is placed on a measurement and control point, and segmented scanning and orientation are carried out on the measurement and control point; performing data processing on the three-dimensional laser point cloud according to point cloud cutting and noise data elimination; an ideal three-dimensional point cloud model is obtained based on data processing, and the volume of concrete is calculated and analyzed. According to the method, accurate positioning can be carried out on internal and external spaces of the bridge, so that the structure size is quickly calculated, the rationality of the overall design of the in-service bridge is judged, and the measurement and control efficiency of influence of dead load variation of the bridge structure on the technical state of the service period of the structure is improved.

The invention discloses a method for detecting design reasonability of an N/P ratio of a lithium ion three-electrode battery, and solves the technical problem that the waste of battery synthesis feeding or lithium evolution of the battery in a battery charging process is caused by unreasonable N/P design of the battery, and the battery is dangerous finally. The method comprises the following stepsof S100, placing the lithium ion three-electrode battery in a thermostat with the temperature of 25 DEG C, and connecting to a test cabinet, and charging to a full electric state at a set rate; and S200, judging the reasonability of the N/P design of the battery according to the variation tendency of the potential of the negative electrode pair reference in the charging process. According to themethod, through the changes of a negative electrode potential platform of the three-electrode battery at the different N/P ratios in the charging process, the reasonability of the N/P design of the battery is clearly judged, and the method is simple and feasible to operate, and has a good application prospect in the aspect of battery design.