356 results about "Fast evaluation" patented technology

A combinatorial method that uses statistics and DNA sequence analysis rapidly assesses the functional and structural importance of individual protein side chains to binding interactions. This general method, termed “shotgun scanning”, enables the rapid mapping of functional protein and peptide epitopes and is suitable for high throughput proteomics.

Methods and systems are provided that may be utilized to make completion design an integral part of the well planning process by enabling the rapid evaluation of completion performance. This integration may include an earth model and may specify wellpath parameters, completion parameters, and other parameters in a simulation of operations using the earth model. The simulation generates well performance measures, which may be optimized depending on well performance technical limits. The optimization may be used to maximize an objective function. The system may include multiple users at the same or different locations (e.g. over a network) interacting through graphic user interfaces (GUI's).

A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device includes an input receptacle for receiving a stack of bills to be evaluated and a single output receptacle for receiving the bills after they have been evaluated. A transport mechanism transports the bills, one at a time, from the input receptacle to the output receptacle along a transport path. The device further includes a discriminating unit that evaluates the bills. The discriminating unit comprises two detectors positioned along the transport path between the input receptacle and the output receptacle. The detectors are disposed on opposite sides of the transport path so that they are disposed adjacent to opposite sides of the bills. The discriminating unit counts and determines the denomination of the bills. The evaluation device also includes means for flagging a bill when the denomination of the bill is not determined by the discriminating unit.

A patient care management system for assisting a physician in monitoring drug use by a patient. The system receives drug dispensation data for a drug, on the basis of which the system determines drug supply availability data. The drug supply availability data is indicative of periods of time during which the drug was available in non-duplicate supply, or in oversupply, or in insufficient supply. The periods of time are displayed with respect to a common time base. Each degree of supply availability is visually displayed via a graphical user interface using, e.g., a color coded scheme, so as to be distinguishable by a user. This allows a physician to rapidly assess over-consumption or compliance problems. Plural drugs may be monitored on a single display screen. The system may also be adapted to allow an prescribing physician to assess refill compliance, hospitalization periods and prescription drug costs.

Methods and systems capable of determining which subset of a set of logical expressions are true with relatively few evaluations of the primitives that, together with any standard logical connectives, make up the logical expressions. A plurality of directed acyclic graphs, each graph including at least one root node, at least one leaf node, and at least one non-leaf node associated with a leaf node. Each node is associated with a, possibly empty, subset of presumed to be true logical expressions. Each non-leaf node is associated with one of the primitives mentioned in any of the logical expressions. Edges are defined between two of the nodes, each edge being associated with a possible value, or range of possible values, of the primitive associated with the node at the tail of the edge. Paths are defined through each of the directed acyclic graphs from a root node to a leaf node by recursively following each edge corresponding to the current value of the primitive at a selected non-leaf node. Lastly, subsets of logical expressions associated with the nodes on the defined paths are collated to yield a subset of logical expressions that are true.

The invention provides a method for transient stability assessment and real-time control of an electric system. According to the method, technologies concerning knowledge discovery are introduced to realize the stability assessment and the control of the electric system; and on the basis of establishing a transient stability assessment model, the corresponding relation between the system running condition and the overall stability of the electric system is found out, the inherent running discipline of the electric system are grasped, and the fast assessment of the stable running state of the electric system is realized, therefore, the actual running management of the electric system can be guided. The method has the advantages that timely and effective stability control scheme can be established for the running state which loses stability after great disturbance, and the safe and the stable running of the system can be ensured at lowest price.

A method for evaluating sterilization effect of disinfectant by means of ATP bioluminescence includes preparing standard bacterial suspension, processing it with cell ATP release agent Ec and adding luciferase - luciferin reagent to detect out luminous value or filtering it with microhole film in combination with ATP scavenger and detecting out luminous value of filtering film, then carrying out equation calculation and utilizing conversion coefficient K to derive out live bacteria number in suspension for evaluation.

A computer-implemented decision device and a family of methods and procedures are used for representing and analyzing imprecise, vague, and incomplete probabilistic decision and risk problems and / or when a criteria hierarchy is present. Decision makers can state the problems simply with the precision the decision-makers feel they have evidence for. Probabilities, values (utilities), criteria weights with belief distributions over them, and optimization procedures for fast evaluation of decision rules with respect to such statements are determined and analyzed.

A method and apparatus for evaluating gears includes an imaging system that provides a non-contact method of evaluating gear meshing using technology that is quick, robust, and provides information not available at production rates from human inspection. The method and apparatus includes one or more imaging devices, illumination, and a computer program to rapidly evaluate the quality of gear set meshing, and which anticipates the move to three-dimensional imaging to permit upstream evaluation of gear quality prior to mating.

The invention is provides a method of logging rock core. A digital photograph of core from a borehole is taken and the image is first processed. This involves calibration and correction, or un-distortion, of the digital image. A reference frame is included in the photograph to facilitate processing. The two-dimensional image is then used as a virtual three-dimensional model of the core enabling length and angle measurements to be logged. These include linear rock interval measurements as well as angular measurements of geological structures. The method is implemented using a software program which enables suitable hardware. The software program will be provided on a suitable computer readable medium. Manually logged data of the same kind is imported for comparison to data logged using the software program. All of this data can be displayed on the image and incrementally on a Stereonet as it is logged. A permanent visual record and reliable means of rapidly assessing the accuracy and quality of the data is provided. The invention also provides for automation of a significant part of the image processing and logging. The reference frame is preferably provided by a rock core tray frame having suitable indicators with known dimensions. The frame is rectangular with orthogonal lines on an upper surface. The mid-points of these lines are marked and spaced apart brackets provide for elevated lines superimposed on the orthogonal lines.

The invention, which belongs to the spaceflight drive assembly reliability and life evaluation field, relates to a combined stress acceleration life test method of a spaceflight drive assembly. According to the method, an acceleration stress is selected; an acceleration testing profile is determined and as a result, a combined stress acceleration life testing profile is employed; testing samples are selected and the number of samples is determined; fault determination and a testing period are determined; testing stop time is determined; and according to data obtained by the above-mentioned testing process, a life characteristic value of the spaceflight drive assembly is evaluated. According to the method, a combined stress is employed to carry out acceleration life testing and an acceleration effect is obvious; therefore, rapid evaluation on reliability and life of the spaceflight drive assembly is realized.

A proactive IT infrastructure support system is set forth which provides operations performance benchmarking. The operations performance benchmarking makes use of data that is available from a direct supply model. The operations performance benchmarking collects, analyzes, and formats the data into a single, easy-to-use interface that provides customers an ability quickly evaluate absolute performance of key IT performance metrics and to evaluate relative performance by comparing the results to the customer's choice of a variety of external benchmarks (such as industry peers) and internal benchmarks (site vs. site, and performance to Service Level Agreement).

The invention discloses a digital-controlled finished circuit board reliability quick evaluation method under combined effects of environment. The digital-controlled finished circuit board reliability quick evaluation method includes (I) selecting temperatures and direct-current bias as accelerating stress, and building accelerating model for a circuit board to be evaluated; (II) determining accelerating stress level and stress combinatorial number, performing accelerating service life tests in groups, and recording test data; (III) selecting a service life distribution model, solving parameters according to the test data, and calculating characteristic service life values in varied combinations of accelerating stress; (IV) matching and determining model coefficients for the accelerating model of the circuit board according to the characteristic service life values, performing reliability evaluation, and obtaining reliability index of the digital-controlled finished circuit board under combined effects of environment. By the aid of the digital-controlled finished circuit board reliability quick evaluation method, the reliability index of the digital-controlled finished circuit board under combined effects of environment can be quickly and quantitatively determined, requirements of system reliability quick evaluation are met, the whole flow is convenient to operate and high in efficiency, and requirements of high reliability on a digital control system are met.

The invention provides a method and system for assessing a risk of a multi-feed-in AC / DC system commutation failure. The method includes calculating an AC / DC voltage coupling effect factor and a critical AC / DC voltage coupling effect factor; and comparing the AC / DC voltage coupling effect factor and the critical AC / DC voltage coupling effect factor, and judging whether a risk of a commutation failure exists in a DC inverter side current conversion bus according to a comparison result. Compared with the prior art, the method and system for assessing the risk of a multi-feed-in AC / DC system commutation failure judge whether the risk of a commutation failure exists in the DC inverter side current conversion bus after a fault occurs in an AC bus of a receiving end system according to the comparison result of the AC / DC voltage coupling effect factor and the critical AC / DC voltage coupling effect factor, do not need to perform whole-network fault monitoring on an electric power system, greatly reduce the work amount of calculation and can rapidly assess whether a commutation failure risk exists in the DC inverter side current conversion bus.

A sense mechanism for data bus inversion including a first memory device and an analog adder. The first memory device stores bits of the bus in a previous bus cycle. The analog adder compares the bits of the bus in the previous bus cycle with bits of the bus in a current bus cycle and provides a data inversion signal indicative of whether more than half of the bits of the bus have changed state. The analog adder operates as a bus state change sense device which rapidly evaluates bus state changes from one bus cycle to the next. The data inversion signal is used for selectively inverting the data bits of the bus and indicating bus inversion according to data bus inversion operation, such as according to X86 microprocessor protocol.

Based on the discovered operating errors under all basic operating mode s for advanced boiling water reactor, a suitable quantification analytical model is employed to fast assess the risk situation for the discovered operating errors and quantified results are used to differentiate the risk rating for the operating errors. This is used to determine the necessity and urgency for the corrective measures to respond to the errors. The adopted quantification analytical model is the safety assessment (Probabilistic Risk Assessment, PRA) model for all basic operating mode s for advanced boiling water reactor, including power operation, low power operation and shutdown for major repairs. For the discovered operating error during power operation period, the invention uses the specifically developed safety assessment model for plant event, earthquake, flood and fire to determine risk effect for the discovered operating error on different event to manifest the risk characteristics for the discovered operating error and match the quantification results to existing plant design, operation and maintenance conditions.

The invention provides a calibration method and device of the back scattering coefficient of a space-borne scatterometer. The calibration method comprises the following steps: obtaining a back scattering coefficient corresponding to a wind vector unit in the space-borne scatterometer, the observation geometry of the back scattering coefficient, and reanalysis wind field data matched with the back scattering coefficient and the observation geometry; according to the observation geometry and the reanalysis wind field data matched with the observation geometry, calculating a relative wind direction matched with the observation geometry; according to the relative wind direction, constructing the observation sample set of the obtained back scattering coefficients; and according to a preset standard sample set, calibrating the observation sample set to obtain a calibration result to show whether the back scattering coefficient measured by the space-borne scatterometer is correct or not. The reanalysis sea surface wind field data is used for developing a quick evaluation method of the back scattering coefficient of the dual-cosine distribution characteristics of the wind direction on the basis of the back scattering coefficient, the quick evaluation of the back scattering coefficient can be realized in short time, evaluation accuracy is high through the reanalysis data, and meanwhile, the evaluation method is high in universality.

Method and apparatus for approximating the average critical area of a layout or layout region, involving summing, over all the object segments of interest, respective critical area contribution values that are dependent upon particular layout parameters of the objects, each of the contribution values being representative of a plurality of defect sizes, and being defined such that for each defect size in the plurality of defect sizes, and for a particular defect type, the contribution values collectively count all critical areas arising due to the object segments of interest only once.

Fast low-power logic gates and method for evaluating logic signals reduce the effect of the power / speed tradeoff for parallel connected logic. A control circuit momentarily enables a high-current pullup or pulldown device after a connected input ladder switches from a conducting state to a non-conducting state. This allows a high current pullup or pulldown to be used for fast evaluation without increasing overall current drain, since the pullup action is momentary.

The invention discloses a rapid evaluation and optimization method for the wind field adaptability of a wind generating set based on sector distribution. By building a wind resource parameter combination mode, sector control strategies are built, a wind generation set operation information database is built, interpolation calculation of the fatigue load and the generation power of the wind generation set is conducted, and the wind field adaptability is rapidly evaluated through an optimization algorithm. According to the characteristic that sector distribution of wind resource parameters is different, the corresponding sector control strategies are formulated and used as the input conditions for simulation of the wind generating set; and the wind generating set operation information database is built in a simulating mode in advance, and the optimization algorithm is adopted, so that rapid evaluation and optimization of the loads and the generating capacities of all machines in a wind field are achieved. The fatigue loads and the annual generating capacities of the machines in the wind field at the early design stage can be reasonably predicted, the design period is greatly shortened, the development cost of the wind field is saved, and fine design of the wind field is achieved.

The invention relates to field of engineering geological exploration analysis and discloses a rock block stability fast evaluation method based on a three-dimensional outdoor scene and stereographic projection. According to the rock block stability fast evaluation method based on the three-dimensional outdoor scene and the stereographic projection, geological investigation personnel versatilely analyze blocks likely to slip conveniently and rapidly in the field environment, visually make an evaluation for a side slope stability state, and qualitatively analyze the stability situation after personnel excavate the side slope at the same time. The method comprises the steps of 1, collecting rock mass structure geological data information in an engineering area; 2, introducing the geological data information to a three-dimensional outdoor scene platform to form three-dimensional terrain; 3, determining a natural rock side slope to be analyzed; 4, in the range of the natural side slope, screening out all structural plane data information; 5, cutting blocks in the three-dimensional outdoor scene platform; 6, generating a side slope stability analysis report according to a polar stereographic projection method; 7, according to a construction scheme, inputting artificial side slope data; 8, according to the polar stereographic projection method, natural side slope data and artificial side slope data, generating a stability report.

The present invention relates to the testing technology field of electronic equipments, especially to a method and system used for assessing circuit boards corrosion risks. According to the method, the surface insulation resistance values of circuit boards are measured and are compared with the corrosion risks discrimination mapping of the circuit boards to get the corrosion risk levels of circuit boards. The present invention also provides a system used for quickly on-site assessing the circuit boards corrosion risks, which comprises a circuit board, a testing module and a discrimination module, wherein the testing module is used for measuring the surface insulation resistance value of the circuit board and sending the measured value to the discrimination module, the discrimination module is used for comparing the surface insulation resistance value measured with the corrosion risks discrimination mapping to get the corrosion risk level of the circuit board. By using surface insulation resistance values easily got on-site to indicate the circuit boards corrosion risks, the present invention is capable of quickly on-site assessing the corrosion risk of a circuit of a board, and then exhibits excellent effect about adopting some protection measures of the circuit board in time.

The invention discloses a driving motor system performance evaluation method for an electric vehicle. The driving motor system performance evaluation method analyzes from different dimensions such as motor control performance, motor body design and enterprise qualification and ability of the driving motor system according to performance characteristics of a driving motor used for the electric vehicle, adopts an analytic hierarchy process to determine a driving motor performance evaluation index system and index weights thereof, establishes a BP neural network model for driving motor system performance evaluation, organically integrates a bat algorithm with a particle swarm algorithm to form a bat-particle particle swarm hybrid algorithm, and optimizes parameters of the neural network structural model by adopting the bat-particle particle swarm hybrid algorithm. Simulation examples show that, through training and testing data samples, the driving motor system performance evaluation method which optimizes the neural network based on the analytic hierarchy process and the bat-particle particle swarm hybrid algorithm has the advantages of fast evaluation speed and high accuracy rate, achieves satisfying evaluation results, and has certain promotion value in evaluation, selection and application of a driving motor system for the electric vehicle.

The present invention provides a Claus unit tail gas hydrodesulphurization catalyst fast evaluation reaction system which consists of an air distributing device, a multicenter reaction device and a tail gas detecting and processing device, wherein, the air distributing device consists of an air source, a current divider, a drying pipe (4), a flowmeter (5), a constant flow pump (8) and a preheater (9) which are connected by a pipeline; the multicenter reaction device is a parallel reactor consisting of a plurality of fixed bed reactors (7) in parallel connection; the front end of each reactor is connected with the flowmeter by a pipeline with a valve; the tail end is connected with the tail gas detecting and processing device by the pipeline with the valve, and the reaction temperature of each reactor can be controlled independently by a program temperature controller. The present invention uses the same air source and the parallel operation of a plurality of fixed bed reactors (7) to realize the fast evaluation on the sulfur dioxide hydrogenation activity and / or the organic sulfur hydrolysis activity of the Claus unit tail gas hydrodesulphurization catalyst.

The invention relates to a method and a device for rapidly evaluating the electrical durability of a relay contact based on a machine vision. The method comprises the following steps of: respectively obtaining side face image sequences of two contacts of a relay and a surface image of a relay contact; obtaining an effective contact distance sequence of the two contacts of the relay contact, and extracting a texture characteristic parameter of the processed surface image of the relay contact; respectively building a BP (Back Propagation) neural network evaluation model and a time sequence evaluation model aiming at the electrical durability of the contact according to the texture characteristic parameter and the effective contact distance sequence; and combining prediction results of the BP neural network evaluation model and the time sequence evaluation model by using a B-spline associative memory network, so as to establish a multi-parameter model for predicting the electrical durability of the relay contact, and evaluate the electrical durability of the relay contact. The device comprises a processor, a first imaging module and a second image module. The method and the device provided by the invention can accurately predict the electrical durability of the relay contact under the condition of not damaging the relay.

The present invention discloses a multi-attribute decision tree power grid stability margin assessment method based on linear discrimination analysis. a key variable discovery model is established based on the offline simulation data and the real-time monitoring data of a power grid to perform effective screening of historical sample data to reduce the data dimensions, a combination relation model among key variables is established to discover the association relation among the variables, extract combination features capable of reflecting important degree contrast of each variable, establish the association relation between the power grid operation state and the transient stability margin, determine the main reasons of system stability level changing, form a concise and accurate knowledge rule base and regulate the decision reference so as to rapidly assess the current stability level according to the system operation state, provide quantification information support for operators' auxiliary decisions and improve the standardization, the rapidity and the adaptive capability of the power grid stability assessment, and therefore the multi-attribute decision tree power grid stability margin assessment method based on the linear discrimination analysis has wide application prospects.

The invention discloses a quick estimation algorithm for the valve loss of a modularized multi-level current converter, and the algorithm comprises the steps: 1, building a MMC rapid simulation model according to system parameters and a control method; 2, enabling a submodule capacitor voltage, a switching device trigger pulse and a bridge arm current in the simulation results to be stored as a readable data file; 3, building a mathematic model for switching device loss calculation and PN junction temperature estimation according to the characteristic parameters of a switching device in an MMC submodule; 4, enabling the data file to be imported into a loss calculation program, and calculating the valve loss of a single IGBT and a diode at each data step; 5, carrying out superposition to obtain the valve loss power of the MMC through iterative computation according to the relation between the valve loss power of the IGBT and the diode and the junction temperature. The method solves a problem that the voltage and current of the MMC submodule and the working temperature of a converter valve cannot be calculated precisely through analysis, and can be widely used for the technical field of flexible DC power transmission.

A search algorithm to find a globally optimal radio plan for a wireless network, including assignments of frequency and transmission power to multiple access points. Two different evaluation metrics are used in order to provide an optimal solution in a reasonable time period. Frequency searches are performed using a special rapid evaluation metric. Transmission powers are selected using a more refined metric that estimates data throughput. The search results are deterministic and execution time is also substantially deterministic.

The invention discloses a rapid evaluation method for transient angle stability based on a comprehensive causal analysis and machine learning, which comprises dividing a historical operation mode sample into several operation mode clusters based on historical data stored by a transient stability evaluation function of online security analysis applications, describing the transient angle stabilitymargin by linearization formula according to the difference between the modes, and extracting a key feature quantity of a power grid; constructing a deep learning model and using a historical data sample to train by taking the key feature quantity as an input quantity and taking a historical operation mode cluster classification as an output quantity, establishing a relationship between a currentreal-time operation mode and the historical operation mode, and estimating the transient angle stability of the current real-time operation mode. According to the rapid evaluation method for transientangle stability based on the comprehensive causal analysis and machine learning, the calculation time consumption can be effectively reduced, and the quantitative analysis results of the power grid transient angle stability can be quickly obtained while ensuring the accuracy of the transient angle stability analysis. This helps to detect the transient operation risks existing in the power grid and improve the safe operation level of the power grid.