133results about How to "Eliminate uncertainty" patented technology

The invention discloses a multisource information fusion method in an evidence high-conflict environment, which comprises the following steps of: determining the mutual support degree of evidences according to evidence distances, further calculating the relative discount factor of each evidence by taking a characteristic vector corresponding to the maximum characteristic value of a evidence support degree matrix pattern as a weighting vector of the evidence, wherein the evidence with the maximum weighing coefficient is a key evidence; and discounting each evidence information, and fusing the information of multisource sensor data by using the D-S (Dempster/Shafer) rule so as to increase the accuracy and precision of a monitoring proposition judgment under an evidence high-conflict status.The method can effectively eliminate the uncertainties of multisource information, increase the accuracy of information evaluation and overcome the limitation that correct evaluation results can not be acquired by using the traditional D-S evidence theory under the evidence high-conflict status, and has the advantages of simple algorithm, high convergence rate and the like.

A merchandising unit for the display of consumer products particularly cabinetry components. The unit includes a plurality of cabinet door samples allowing the consumer to examine the individual doors. The doors are pivotably mounted within the unit along parallel axes facilitating full examination. The merchandising unit also includes a section for displaying the various hardware offerings and a lower section displaying base cabinetry and drawers. All of these features allow the consumer to directly examiner the cabinetry components for making an informed purchase.

The invention discloses a method for identifying producing area of tea by using element content in the tea. Spectroscopy analysis technique is used for determination and establishment of a tea element content database; based on the partial least squares, VBA code of EXCEL is used to establish a multielement content tea producing area discrimination model; through the determination of the contents of 21 elements in the tea, data is input into a prediction module of a piece of software for calculation; if a judgment value of a certain tea is greater than 0.8, the tea can be considered as belonging to the tea producing area, and otherwise the tea doesn't belong to the tea producing area. The analysis results of the invention are only decided by software prediction value, so as to rule out subjectivity and uncertainty of human judgment; and the method with high determination accuracy can be used to identify different teas from different producing areas and has a broad application prospect.

The invention discloses a PCBA online fully-automatic unmanned testing system which comprises a plate feeding module with a server and a plate feeding elevator inside, a plate discharging module with a plate discharging elevator inside and more than one independent test cabinet. The tops of the test cabinets are connected through an input belt line, and the lower ends of the test cabinets are connected with an output flat belt line parallel with the input belt line. The inside of each test cabinet is divided into multiple layers, each test cabinet is provided with a test main machine and a test module on each layer, each test module is formed by a needle bed, an automatic signal abutting device, a testing needle plate and a slab, each automatic signal abutting devices is arranged on the corresponding needle bed, each testing needle plate is connected with the corresponding slab, and the testing main machine and the test module on each layer are respectively connected with the server and a signal feeding module. According to the testing system, the design mode that modular design is achieved, the modules are controlled and operate independently and monitoring is carried out in a concentrated mode through the server is adopted, and the testing system has the advantages of being low in test cost, high in work efficiency and accurate and reliable in result.

Presented is a remote control for interacting with a navigation system that allows content presented on a display device to be navigated in an organized and categorized fashion. The remote control comprises operational controls grouped by navigational function located on at least three sides of the remote control for selecting content. An infrared transmitter is provided for transmitting instructions coded as infrared signals. A programmable controller is operative to receive an indication that a control was selected and instruct the transmitter to transmit an infrared signal corresponding to the control selected.

The invention discloses a mine roof safety evaluation method based on multi-target monitoring data fusion, mainly characterized in that the mine roof safety state is defined into three grades according to the actual production condition of a coal mine, and a frame for identifying the roof safety condition is determined; a computer fuses the elementary probability of multi-target monitoring sensordata by utilizing a data fusion model based on the D-S evidence theory to obviously show a certain state of roof safety, thereby realizing the purpose of identifying the roof safety state; and the computer analyzes the assigned value of the fused elementary probability according to the classification decision rules of the roof safety state and outputs the identifying result of the roof safety state, thereby realizing the evaluation of the mine roof safety condition. The invention establishes a conceptual framework for mine roof safety evaluation and provides information processing steps of analysis, processing, allocation, fusion and the like of multi-source data based on the D-S evidence theory, thereby greatly improving the quality and the credibility of roof evaluation index information.

The invention relates to the field of machining, in particular to a method for predicting and compensating a machining deformation error of a miniature trough. A device form predicting and compensating the machining deformation error of the miniature trough comprises a machine tool working table, a micro milling cutter, a miniature groove piece, a dynamometer and a support, and the dynamometer and the support are arranged on the machine tool working table in parallel. According to the method, a displacement sensor is utilized to online monitor machining deformation of the miniature groove piece in real time, a sensing working table is utilized to transmit the adjusting information so as to conduct real-time adjustment on the miniature groove piece, uncertain factors caused by manual adjusting and radial undercut caused by workpiece deformation are eliminated, and accordingly the machining accuracy and the workpiece quality are improved. An adjuster is independent of a machine tool control system, a tool path planed by an existing program cannot be affected, the programming time is saved greatly, and accordingly the production efficiency is improved.

The invention discloses a method for evaluating a reservoir stratum with a nuclear magnetic resonance logging interpretation chart, relating to the technical field of evaluation of petroleum geology exploration geological logging interpretation. The method comprises the steps of: selecting two parameters such as an oil saturation So and a movable fluid saturation BVM; obtaining a parameter M1 with the formulation M1=BVM*So; building Phi-M1 interpretation chart; computing the movable oil saturation Smo parameter with the formulation Smo=BVM-Smw; obtaining a parameter M2 with the formulation M2=Smo*phi; building So-M2 interpretation chart; and visually evaluating the classification of the reservoir stratum liquid with the two interpretation charts. The method can solve the problem for evaluating whether the reservoir stratum can generate liquid and the character of the fluid, can solve the problem for evaluating the oil content of the reservoir stratum and the oil capacity, removes uncertain factors of interpretation parameters caused by factors such as block, stratum position and oil content character, and the like, and has universal applicability in oil-containing bed series of clastic rocks.

The invention discloses an on-line high spectromonitor for trace elements in a water body, which comprises a water body extraction device, an automatic sampling device (6), a long optical path liquid core sample cell (3), a light source (4), an optical fiber spectrometer (2), an automatic sampling control unit (5), and a monitoring main control unit (1), wherein the water body extraction device is used for extracting sample solutions from the water body; the automatic sampling device (6) is used for automatically extracting the sample solutions from the water body extraction device and performing a mixing reaction to form a solution to be tested; the long optical path liquid core sample cell (3) is used for receiving the solution to be tested from the automatic sampling device (6); the light source (4) transmits output light into a sample cell through a light inlet placed on the long optical path liquid core sample cell (3); the optical fiber spectrometer (2) receives an optical signal transmitted by a light outlet of the long-path liquid core sample cell (3) and acquires and processes the optical signal; the automatic sampling control unit (5) is used for controlling the action of extracting and mixing the sample solutions of the automatic sampling device (6); and the monitoring main control unit (1) is used for coordinating the work process between the automatic sampling device (6) and the optical fiber spectrometer (2), and storing and processing an acquisition result of the optical fiber spectrometer (2). The on-line high spectromonitor can effectively reduce material consumption and labor, and improve the reliability and accuracy of the analysis.

A coal gangue identification method in a top coal caving process based on multi-sensing information fusion comprises the following steps: respectively learning vibration signals and sound signals after feature screening through a BP neural network and a support vector machine to obtain a trained BP neural network classification model and a trained support vector machine classification model; further, vibration signals and sound signals generated when the coal gangue impacts the tail beam of the top coal caving hydraulic support are accurately and efficiently recognized and classified; and theDS evidence performs decision fusion on classification results obtained by the BP neural network classification model and the support vector machine classification model, so that the accuracy and credibility of coal gangue identification are improved. The spectrum recognition device can monitor coal gangue on the scraper conveyor in real time, and is an important basis for controlling opening andclosing of a top coal caving opening; due to the fact that two recognition ways are set, the coal gangue recognition precision is further improved, and the coal gangue recognition method can adapt tothe working condition with good visibility and can also adapt to the working condition with low visibility.

The invention provides a debris flow discharge and volume-weight evolution-with-distance prediction method. The method comprises that a distributed hydrological model in the physical mechanism divides sub river basins and calculates water power formed by rainfall runoff generation and confluence of the slope-channel system of each sub river basin; the thickness, reserve volume and distribution of movable solid matter under the action of the water power are calculated based on an infinite slope model or a movable solid matter discrimination model; the volume-weight and discharge process of a water and soil mixture formed after power matching of water and soil on the sub river basin outlet are calculated by means of a volume-weight and discharge evolution-with-distance prediction model; according to the grading order and topological relation of the sub river basins, the volume-weight and discharge process of the whole river basin outlet or set section along the river is subjected to back calculation through the volume-weight and discharge process of each sub river basin. According to the invention, subjectivity and nondeterminacy of manual calculation of debris flow discharge and scale through a traditional empirical formula are eliminated, and the debris flow discharge and volume-weight evolution-with-distance prediction method can be widely applied to aspects of debris flow monitoring and early warning, prevention engineering key parameter design, risk analysis and the like.

The invention discloses a batch introducing device for configuration data and a multi-client exclusive method thereof. The device comprises a client unit, a server end unit and a public unit, wherein the client unit comprises a client exclusive control module; the server end unit comprises a server end exclusive control module, an exclusive lock module, an instance pool management module and an instance pool; and exclusive operation can be carried out and instance can be managed by the client unit, the public unit and the server end unit, and the public unit comprises an exception handling module capable of processing various exceptions occurred in the exclusive process. In the method, each command code is locked by the server end exclusive control module and the exclusive lock module so as to ensure the uniqueness to each command in each conversation; the instance pool and the instance pool management module can ensure that a plurality of conversations in each introducing operation corresponds to a unique introducing instance so as to ensure the reliability and the safety of exclusion; and the exception handling module ensures correct release of an exclusive lock when the exception happens.

An online system and method for transmitting patient medical records among various server computers and client computers coupled together via a network or cloud system. The online system includes a telemedicine/EHR module configured as a software application accessible to a user terminal that is in communication with a personal health records module for receiving and managing patient records, and a physician's module for receiving selected patient records from the telemedicine/EHR module and the personal health records module. The present invention provides total interoperability of patient medical records information between all present EHR/EMH electronic medical records based systems.

The invention relates to the industrial wireless network technology, in particular to a factory automation wireless network time synchronizing method based on time division multiple address (TDMA). The factory automation wireless network time synchronizing method is based on the institute of electrical and electronic engineers (IEEE) 802.11 standard and the TDMA mechanism, by adopting a hardware timestamp printing method and calculating the timestamp values of a receiving side and a dispatching side, time deviation caused by processing delay of a protocol stack, delay from a physical layer interface to a wireless media interface (antenna) and delay of information transmission in the air can be eliminated, and accurate time synchronization of a factory automation wireless network can be achieved. On the basis that no additional expenses can be caused, the factory automation wireless network time synchronizing method remarkably improves the time synchronization accuracy of the factory automatic wireless network based on the IEEE 802.11 single-hop network, meets severe requirements on transmission speed, reliability, instantaneity and network scale of the factory automatic network and achieves the aims of being high in synchronizing accuracy, high in efficiency, low in expense, easy to achieve and the like.

The invention discloses a method for telemetering a pointer type SF6 gas density meter. The method comprises the steps that images of the pointer type SF6 gas density meter are collected, and are transmitted to a reading end; the collected images are converted into black-and-white images; image regulation processing is carried out on the black-and-white images, so that violent changes caused by violent changes of illumination to the gray levels of the images are removed; a pointer recognition area of the pointer type SF6 gas density meter is set, and image binaryzation is carried out on the processed black-and-white images in the pointer recognition area; plaque noise in the pointer recognition area is removed; a linear equation corresponding to a pointer in the pointer recognition area is searched for, and the slope of the linear equation is determined; a number corresponding to the pointing direction of the pointer is determined. According to the method, the pointer type SF6 gas density meter is telemetered instead of on-site reading through personnel, the human cost is saved, existing devices are made full use of, and the method accords with the development trend of unmanned transformer substations in a smart power grid.

The invention relates to a seal checking method and a seal checking device. The checking device comprises n groups of light sources, a camera and a control processing circuit which are distributed annularly. The checking method comprises the following steps: the n groups of light sources are started in sequence based on time sequence so as to realize flash exposure of a die of the seal; the camera synchronously shoots the die of the seal during exposure, so as to obtain n electronic images Fi, brightness values of the n electronic images are compared, and then the brightest electronic image Flight and the darkest electronic image Fdark are selected from the n electronic images; the brightest electronic image Flight and the darkest electronic image Fdark are aligned to realize pixel stacking and composition of the images; the composite electronic image Ftarget is subjected to check and verification with a stored target image and stored target parameters, and then a check pass signal or a check rejection signal is sent. According to the seal checking method and the seal checking device, the daily manual operation workload of seal checking is greatly reduced, the seal checking efficiency is increased greatly, the checking failure probability is reduced, the operation is simplified, the paperless office work is significantly promoted, and the daily consumption of paper is lowered.

The invention includes methods and apparatuses to adjust an optical signal transmitted through an optical amplifier, such as in a wavelength division multiplexed optical network. The methods and apparatus of the invention calculate polarization effects which cause degradation to the optical signal. A measurement of the polarization-related degradation of an optical signal is calculated by using at least one reference signal. In some embodiments of the invention, the reference signal is depolarized or has scrambled polarizations. The invention is typically used in long-haul optical networks.

The present invention discloses a print dipole antenna and manufacturing method thereof. The print dipole antenna has a plurality of resonance frequencies, which comprises a substrate, a ring microstrip line and a ground plane. The ring microstrip line is disposed on one side of the substrate, and the interior of the ring microstrip line is symmetrically disposed with a plurality of parasitic metals. The ground plane is disposed on the other side of the substrate, and has a hollow portion corresponding to the central area of the ring microstrip line. The ring microstrip line has a plurality of end ports including input end ports and output end ports, which may further comprise an open circuit end. The plurality of parasitic metals may be of linear shape or bended in arbitrarily windings. A normal mode signal is fed from the end points of the plurality of parasitic metals.

Disclosed are battery management systems with control logic for battery state estimation (BSE), methods for making/using/assembling a battery cell with a reference electrode, and electric drive vehicles equipped with a traction battery pack and BSE capabilities. In an example, a battery cell assembly includes a battery housing with an electrolyte composition stored within the battery housing. The electrolyte composition transports ions between working electrodes. A first working (anode) electrode is attached to the battery housing in electrochemical contact with the electrolyte composition. Likewise, a second working (cathode) electrode is attached to the battery housing in electrochemical contact with the electrolyte composition. A reference electrode is interposed between the first and second working electrodes, placed in electrochemical contact with the electrolyte composition. The reference electrode and one or both working electrodes cooperate to output a half-cell voltage signal that is indicative of a battery state of the battery cell assembly.

The invention discloses a method for switching a positive roller and a negative roller of working rolls. A plurality of roller cylinders are arranged between roller bearings at the left side and the right side of an upper working roll and a lower working roll, a bearing block is movably connected with the roller cylinders, and a gap is kept between the heads of the roller cylinders and T-shaped slots in the roller bearings; the roller cylinders at the left side and the right side of the working rolls are classified into two groups, each group of working rolls are respectively controlled by an independent roller regulator, the two groups of roller cylinders and respective roller regulators form two regulating loops; and set values are selected for the two roller regulators to guarantee that at least one group of roller cylinders are in 'opening' or 'tensioning' state and the total roller force is equal to a process set value as required in the whole working range of the roller force. By adopting the method disclosed by the invention, the roller cylinders can be ensured to be tightly contacted with the bearing block, and uncertain 'free' state between the upper and lower working rolls can be eliminated. Meanwhile, gapless smooth switching between the positive roller and the negative roller is realized.

The invention belongs to the field of ballastless track detection, and particularly discloses a ballastless track elastic fastener damage identification method. The method specifically comprises the steps of establishing and optimizing a lossless finite element model, and determining a lossless rigidity coefficient of the elastic fastener; measuring actual exciting force data and actual acceleration time history data; substituting the actual exciting force data into the lossless finite element model to obtain simulated acceleration time-history data; according to the actual acceleration time-history data and the simulated acceleration time-history data, calculating an actual rigidity coefficient of each elastic fastener by utilizing an MCMC method; and judging whether the ratio of the actual stiffness coefficient to the lossless stiffness coefficient is 1 or not, if so, determining that the elastic fastener is not damaged, and if not, determining that the elastic fastener is damaged. According to the method, the influence of uncertain factors can be eliminated during testing, and only the damage condition of the elastic fastener is considered, so that the damage identification accuracy of the ballastless track elastic fastener is effectively improved.

The invention discloses a method and a jig for automatically detecting open pluggable interfaces of video output devices. The method includes electrically coupling an open pluggable interface of a video output device to an open pluggable interface of the jig at first; enabling a video processing unit to receive an acknowledgement signal from the video output device after the jig is started up; then outputting a high-definition multimedia interface signal and a test signal to the open pluggable interface of the jig; requesting the video output device to transmit information via the open pluggable interface of the video output device; enabling the video processing unit to detect the open pluggable interface of the video output device and determine whether the open pluggable interface of the video output device is normal or not according to the information which is transmitted back to the video processing unit; outputting a screen display picture to the video output device and displaying a detection result. The jig further comprises the video processing unit which is electrically coupled with the open pluggable interface of the jig. The information is relevant to the received signals.

The invention provides an automobile active steering control system and method based on vehicle-road collaboration. The position range of automobile swerving, the theory vehicle speed and the theory engine rotating speed are calculated through an active steering control unit according to the surrounding information of automobiles collected through a sensor and road surface information transmittedthrough a roadbed signal projector beside the road; the theory vehicle speed and the theory engine rotating speed are transmitted to a restrictor regulator and an engine rotating speed controller to adjust the vehicle speed and the engine rotating speed; and when the automobiles swerve, the system can detect the rotating angle of a steering wheel and send the inspected value to the active steeringcontrol unit, a steering additional angle is obtained after process and calculation, and the steering additional angle is sent to a steering wheel rotating angle controller, so that real-time activesteering control is realized. According to the automobile active steering control system and method based on the vehicle-road collaboration, based on the vehicle-road collaboration thought, the control process is combined with concrete road information, a model prediction method is adopted, and safety, stability and reliability of automobile steering are effectively improved.

An automatic optical inspection system includes a first AOI machine and a second AOI machine, and the second AOI machine is electrically connected to the first AOI machine. The first AOI machine is configured to use a first resolution to inspect an object, so as to detect a possible defective region(s) of the object. The second AOI machine is configured to use a second resolution higher than the first resolution of the first AOI machine to inspect within the possible defective region(s) only, so as to detect whether there is/are any defect(s) within the possible defective region(s) of the object.

The invention discloses a picture book recognition method applied to a device provided with a camera. The method comprises the steps that picture book pictures are collected through the camera according to preset collection frequency; the picture book pictures are uploaded to a server; recognition results, corresponding to the picture book pictures, returned by the server are received; the recognition results are stored in a recognition result queue; the recognition results in the recognition result queue are compared; and if a later recognition result is different from the previous recognition result in the recognition result queue and at least two recognition results following the later recognition result are the same as the later recognition result, page turning is judged. The inventionfurthermore discloses a picture book recognition device and system and electronic equipment. Through the picture book recognition method, device and system and the electronic equipment, the problem that the error rate of picture book recognition is high in the prior art can be solved.

The invention discloses a YiTong new Chinese character and word searching method. Through establishing an Access data table comprising the information of Chinese characters, components, Chinese character stroke order codes, stroke numbers, pinyin, character levels and the like for 20902 Chinese characters of a GB13000.1 character set contained in the Chinese character library of the current operation system, according to data information in the data table which can be used for solving Chinese character searching and the functions of sorting, filtering, inquiring and duplicate item searching and the like provided by the Access, the actual requirement of new searching method for scientifically and actually acquiring high quality Chinese characters and words, a researching tool for Chinese character separating and searching is developed, sub-information which can be formed by integrating searching information composed of useful Chinese character component information, the Chinese character stroke order code information, the stroke number information and the pinyin information, and a Chinese character component selecting method, a Chinese character component inquiring method can be found, a Chinese character searching method and a Chinese word inquiring method which better solve the problem of the Chinese character searching of the 20902 Chinese characters of the GB13000.1 character set contained in the Chinese character library of the computer operation system can be found.

The invention discloses a tool for processing a center hole in an end shaft of a camshaft. The tool comprises a supporting frame assembly, a plurality of clamping units (3), pre-positioning devices and gas inspecting devices; the lower end of the supporting frame assembly is connected onto a workbench of a machine tool through a rotary cylinder; each clamping unit (3) is used for clamping one camshaft (5) which is horizontally arranged; the plurality of the clamping units (3) are in parallel arranged at equal distance from top to bottom, and are symmetrically connected onto two end surfaces of the supporting frame assembly; each clamping unit (3) is equipped with one pre-positioning device and one gas inspecting device; and the pre-positioning devices and the gas inspecting devices are connected onto the supporting frame assembly. With the adoption of the structure, force borne on the camshaft is more balanced when the central hole is processed in the end part of the camshaft, so that deformation of the camshaft is avoided, and product processing quality is improved.

The invention discloses a constructional lightgage steel joist and fitting one-piece test apparatus. The apparatus comprises a plurality of support legs, the top portions of the support legs are provided with a rectangular frame, a first hoisting motor, a load-carrying hoisting motor, a second hoisting motor and a third hoisting motor are successively arranged above the rectangular frame, the rectangular frame is provided with one side-edge beam parallel with the first short edge of the rectangular frame, the first short edge and the side-edge beam are provided with a plurality of locking holes, the side-edge beam is connected with the long edge of the rectangular frame through an adjustment fixation hole, the adjustment fixation hole comprises a first long circular hole, a second long circular hole and a third long circular hole which are successively arranged at the long edge, the rectangular frame is also provided with at least two bearing crossbeams in parallel arrangement, one side surface of each bearing crossbeam is also provided with a hanging plate, and an erection hole is arranged in the middle of each hanging plate. The apparatus provided by the invention is simple in structure and convenient to operate, and has quite accurate detection data.