35results about How to "Fast and accurate judgment" patented technology

The invention discloses a device and a method for estimating tire pressure in a vehicle, the method for estimating the tire pressure comprises the steps: the FFT (Fast Fourier Transform) is performed on a wheel speed signal to obtain an FFT signal pattern of a resonance frequency band of an FFT signal, the FFT signal pattern saves a PCA (Principal Component Analysis) weighting coefficient to execute the PCA and saves an LDA (Linear Discriminant Analysis) differentiate coefficient to execute LDA, so as to distinguish a plurality of tire pressure states, the method of the device for estimating the tire pressure comprises comprises: the wheel signal is detected by a wheel speed sensor; the FFT is executed to the detected wheel signal; the PCA applying the saved PCA weighting coefficient projects the FFT signal pattern of the resonance frequency band of the FFT signal to a PCA space; the corresponding projected data of the PCA space execute the LDA adopting the saved LDA differentiate coefficient, so as to judge a tire pressure state of the corresponding projected data of the PCA space.

The invention relates to a disinfection system for medical examination instruments based on an intelligent algorithm. The system comprises a disinfection bin, an ultraviolet lamp, a first visual collector, a heating wire, a first temperature detector, a first conveyor belt, a disinfectant recovery tank, a disinfectant storage tank, a nozzle, a drying bin, a second visual collector, a fan, a drying pipe, a heater, a second conveyor belt, a fan and a central control unit. According to the system, the independent bins are used for disinfecting and drying the appliances respectively, the situation of incomplete disinfection can be avoided, so that the situation of secondary infection or cross infection generated when the appliances are used is effectively avoided, and the disinfection efficiency of the system on the appliances is effectively improved. Meanwhile, whether a spray head uniformly sprays the disinfectant on the surface of the appliance or not is judged by using the average distribution density of the disinfectant drops, so that whether the disinfection on the surface of the appliance is completed or not is quickly judged, and the disinfection efficiency of the system on the appliance can be further improved.

The invention relates to an elevator fault discriminating method, a monitoring system and a computer storage medium. Through collection of elevator running state signals, according to logic combination of fault information, emergent stop signals and elevator locking signals in the elevator running state signals, it is automatically identified whether a fault occurring in an elevator is an elevatorstoppage fault. According to the elevator fault discriminating method, the monitoring system and the computer storage medium, elevator fault information is effectively classified and screened throughthe elevator locking signals and the emergent stop signals, and fault information which a user is interested in is extracted out; moreover, the elevator locking signals and the emergent stop signalsare directly resorted to, content of fault information does not need to be considered, and thus the judging speed is high and judgment is accurate; and after screening of fault information, fault types which the user is interested in can be sent to the user, harassment to the user is reduced, and resources sent are saved.

The invention relates to a miniature circuit breaker adopting light to indicate working status, which consists of a circuit breaker body and a working status indicator, wherein the circuit breaker body consists of an inner working cavity and a shell; the working status indicator is positioned in a cavity of the circuit breaker body and is an electrical display circuit consisting of electrical luminous indicators connected in series, a current-limiting resistor and lead wires led out at two ends; the lead wires led out at two ends are in bridge connection with outlet terminals of the circuit breaker or any two conducting strips of an arc extinguish chamber between the terminals; the shell is a transparent structural member or an opaque structural member which is arranged above or below an operating handle and provided with transmittance holes on a main working surface; the electrical luminous indicators can be energy-saving neon lights or LED light emitting diodes; despite ambient light, the on / off of the indicators can be observed through the transmittance holes on the working panel or the transparent shell, so that the definite working status of the circuit breaker can be quickly, accurately and reliably, the remote management, monitoring and safety maintenance are convenient, and the miniature circuit breaker has strong practicability.

The invention relates to a method for detecting a steady state and judging an operation condition of a water treatment process in a thermal power plant. The method comprises the steps of (1), collecting sensor data comprising pressure of a water outlet header pipe of a water pump, water inlet flow of a cation bed, water inlet flow of an anion bed, pressure of a cationic exchanger inlet, pressure of an anion exchanger inlet, pressure of a mixed ion exchanger inlet, ion concentration and the like to determine steady state thresholds of the sensors and operation condition switch thresholds; (2), detecting operation condition steady state and judging operation condition stages: 2.(1), calculating and judging whether the process is in a steady state or not according to the steady state thresholds of the sensors of the step (1), performing the step 2.(2) if the process is in unsteady state in judgment; 2.(2), calculating and judging that whether the operation condition switches according to the operation condition switch thresholds of the step (2), performing the step 2.(3) if the operation condition switches in judgment; and 2.(3), calculating Euclidean distance and similarity according to data which is sampled in real time to judge the operation condition stage. The method is capable of accurately judging the steady state and the operation condition switch of the water treatment process, transiting the unsteady state process and monitoring the data of the sensors in real time automatically and dynamically.

The invention relates to a method for determining the segregation state of the alloy surface and a method for manufacturing alloy materials. For a specific material system, the segregation state of the alloy surface is determined and the element composition of the alloy is selected for manufacture. For alloys that need to achieve material surface segregation modification, Appropriate element addition types can be screened and calculated and manufactured; for alloy systems that need to suppress surface segregation, the combination of element types that inhibit surface segregation can be screened and manufactured. It can conveniently and accurately determine the segregation state of the alloy surface and produce a specific system alloy that can control the segregation state of the material surface.

The present invention relates to the technical field of grid data visualization, in particular to a grid real-time data visualization display method and system, including a control unit, a detection unit, a model building unit and a visualization unit. In the present invention, by setting an interactive visualization unit, the visualization unit transmits demand instructions to the control unit, so that the control unit controls the model construction unit to construct the corresponding model, thereby effectively ensuring that the system can perform simulations for different requirements. At the same time, the model construction unit Carry out preliminary outage simulation based on the received data to generate a power outage simulation model, and the control unit compares the actual power outage area in the region with the power outage simulation model to determine the accuracy of the forecast simulation and re-build the model according to the judgment results The updating of the unit can gradually increase the simulation accuracy of the system for the power failure simulation model, thereby effectively improving the visualization efficiency of the system of the present invention.

The invention relates to a method for detecting skip printing of characters of a circuit board, which comprises the following steps of: (1) providing the circuit board to be detected, wherein the circuit board comprises a conducting layer and a soldermask layer which are sequentially arranged; the conducting layer comprises a first test pad, a second test pad and a connecting line communicated between the first test pad and the second test pad; and the soldermask layer is internally provided with a first through hole corresponding to the first test pad and a second through hole corresponding to the second test pad; (2) providing an electrical testing device which comprises an electrical tester, a first test probe and a second test probe; and (3) adopting the electrical testing device to detect an area corresponding to the first test pad and an area corresponding to the second test pad, and judging whether insulated masked patterns are formed on the first test pad area and the second test pad area according to electrical conduction condition detected by the first test probe and the second test probe so as to judge whether the skip printing the characters is existed on the circuit board or not.

The invention relates to the technical field of civil construction, in particular to a construction method for widening, filling, and solidifying soil for highway inter-turn roadbeds. Bulldozers are used to level the subgrades in each area in turn, and graders are used to level the subgrades in each area in turn; the subgrades in a single area are rolled and it is determined whether the subgrade meets the standards after rolling; Add solidified soil layer by layer; renovate the subgrade surface and slope. After completing the rolling of the single-layer roadbed, the present invention will determine whether the flatness or compaction of the roadbed meets the standard according to the thickness change of the roadbed, and use the corresponding operation according to the judgment result to make the single layer after rolling meet the standard. , effectively improving the filling efficiency for the roadbed.

The invention discloses a rapid detection reagent for formaldehyde in food. The rapid detection reagent is prepared from the following raw materials in parts by weight: 10 to 15 parts of sodium periodate, 1 to 2 parts of calcium hydroxide, 8 to 12 parts of petroleum ether, 3 to 8 parts of methyl dihydrojasmonate, 4 to 8 parts of sodium silicate, 2 to 7 parts of tea polyphenol, 0.1 to 1 part of carboxybenzenesulfonamide, 1 to 3 parts of ferrous nitrate, 2 to 5 parts of succinic acid, 0.1 to 1 part of sodium stearate, 3 to 8 parts of ethylene diamine tetraacetic acid, 1 to 3 parts of zinc sulfite, 0.2 to 2 parts of sodium acetate, 1 to 5 parts of acetylacetone, 10 to 20 parts of anhydrous ethanol and 25 to 70 parts of water. The rapid detection reagent for the formaldehyde in the food, disclosed by the invention, is sensitive to formaldehyde stone powder and can quickly and accurately judge whether the food contains the formaldehyde or not; the rapid detection reagent has the advantagesof high reaction speed, high accuracy rate and good stability.

This application is about a method for obtaining endgame cards. The method includes: generating an initial card face of the card game, the initial card face comprising at least two card sets, each card set comprising a specified number of virtual cards; searching the initial card face through a first search algorithm A solution tree, the first search algorithm is used to search for a winning solution for a specified card set in the at least two card sets, and the solution tree is used to indicate various solutions of the initial card face; when the specified When the number of winning solutions of the card set is less than a preset number threshold and not zero, the initial card face is obtained as the endgame card face of the card game. Compared with the method of manually setting endgame cards, the above scheme can quickly and accurately judge whether a card meets the endgame requirements, thereby achieving the effect of improving the efficiency and accuracy of endgame card generation in card sports.