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140 results about "Time coefficient" patented technology
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Method and device for rapid cooling of packaged drinks
InactiveUS20060185372A1Smooth rotationLighting and heating apparatusFood preservationSaline waterRinse water
Based on the use of a coolant aqueous liquid, usually brine, maintained at low temperature in a reservoir receptacle, as low as −20° C. if the brine is of Sodium chloride or as low as −50° C. if it is of Calcium chloride, applied on the upper surface of the container, positioned horizontally, rotating about its axis, by means of soft jets, during a time which is calculated from the initial and desired temperatures, the temperatures of the cold solution and of the rinsing water and from the temporal coefficient of the packaged beverage, so that the brine glides over its surface drawn by the force of gravity, surrounding it completely through surface tension adherence to the surface of the container located underneath, where it is detached, determining at all times that the brine coats the greater part of the container during the spraying. By substituting the coolant liquid with hot water the rapid heating of packaged beverages is produced.
Owner:CONDE HINOJOSA JOSE RAMON
Method for coordinating and controlling quality change of coal in supercritical once-through boiler unit
Owner:ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER
Air conditioner with filter screen cleaning prompt function and filter screen cleaning prompt method thereof
ActiveCN102095232AAvoid forgotten filter situationsReduce breedingSpace heating and ventilation safety systemsLighting and heating apparatusEngineeringHuman health
The invention discloses an air conditioner with filter screen cleaning prompt function and a filter screen cleaning prompt method thereof. The method comprises the following steps that: a, speed meter detects the rotating speed of an internal motor and transmitting the rotating speed signal to a main controller; a timer starts timing and transmits a time period signal ti to the main controller; b, the main controller determines and selects a corresponding equivalent time coefficient beta i according to the rotating speed signal of the internal motor, calculates an equivalent time Ti=beta i *ti, and stores the equivalent time signal; c, when the rotating speed of the internal motor is changed, the steps a and b are repeated, the equivalent time signal is stored again, and the equivalent time signals are accumulated as T=sigma beta i*ti; and d, the main controller compares the equivalent time T with the set cleaning time T0 of the system; when the T is smaller than the T0, the main controller does not act; and when the T is greater than or equal to the T0, the main controller sends signals to a user interface to remind a user of cleaning the filter screen. The air conditioner is convenient to use, and is more favorable for human health.
Owner:GREE ELECTRIC APPLIANCES INC
Virtual battery management system and application method thereof
ActiveCN102411128AExtended simulation runImprove controllabilityElectrical testingArea networkElectrical battery
The invention discloses a virtual battery management system and an application method thereof, belonging to the technical field of new energies. The virtual battery management system has the structure as follows: a central data processing unit is respectively connected with a man-machine interaction unit, a power battery emulation unit, a CAN (Controller Area Network) communication unit, a measuring unit and an electron load control unit. The virtual battery management system has the advantages that: firstly, the state and charging requirements of a charging object which is possibly encountered in the actual use process are integrated in one system; secondly, charging state information interaction between the virtual battery management system and charging equipment to be tested is realized; thirdly, the model parameters and time coefficients of the test type power battery can be adjusted, and the controllability and work frequency of the charging equipment are improved; and fourthly, the invention provides reference for the influence of the charging equipment on the power battery in the charging process of the power battery, and diversity of the charging loads and universality of the test environment of the charging equipment are realized.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Method and apparatus of establishing a synchronisation signal in a communication system
ActiveCN101299742AMultiplex code generationMulti-frequency code systemsCommunications systemIsochronous signal
The invention relates to a method of building synchronous signals in a communication system, comprising: defining a group of discrete fourier frequency coefficients; converting the group of discrete fourier frequency coefficients into discrete time coefficients; using the discrete time coefficients as the synchronous signals in the communication system. According to the embodiment of the invention, symmetry of the signals is fully utilized. Preferably, center frequency is not used in the transmission, namely DC carrier. The invention also relates to a transmitter and a received in the communication system.
Owner:HUAWEI TECH CO LTD
Control method for an exhaust gas purification system and an exhaust gas purification system
ActiveUS7421837B2Easy to operatePrevent oil from being excessively dilutedElectrical controlInternal combustion piston enginesExhaust fumesExhaust gas recirculation
Owner:ISUZU MOTORS LTD
Frequency support control method used for doubly-fed wind generation set and based on two-stage power tracking optimization
ActiveCN109449954AAvoid secondary perturbationImprove FM dynamicsSingle network parallel feeding arrangementsPower oscillations reduction/preventionElectricityFuzzy control system
The invention relates to a frequency support control method used for a doubly-fed wind generation set and based on two-stage power tracking optimization. The invention starts from optimization of frequency support dynamic characteristics of a wind generation set and provides a frequency support control method used for the wind generation set and based on two-stage variable proportion coefficient optimized power tracking. On the basis, a variable proportion coefficient control strategy in an inertial response stage is derived based on a virtual inertia time coefficient and a rotor movement equation, and for quick recovery of a maximum power tracking operation mode of the wind generation set after inertial support and avoiding secondary disturbance from being produced on system frequency adjustment in a recovery process, a variable proportion coefficient control strategy in a maximum power tracking operation mode recovery stage is designed by adopting fussy control. The frequency supportcontrol method provided by the invention has control robustness, a control structure is simple, engineering implementation is easy, and the quick recovery of the maximum power tracking operation modeof the doubly-fed wind generation set after inertial response and inertial support on a power grid frequency can be realized.
Owner:WUHAN UNIV
Spacecraft thermal vacuum testing temperature control method
ActiveCN104731131ASmall overshootShorten adjustment timeAuxillary controllers with auxillary heating devicesTemperature controlControl system
The invention relates to the field of spacecraft ground thermal tests and discloses a spacecraft thermal vacuum testing temperature control method. The method comprises the steps of measuring the position of a laser heating center with two thermodetectors with different measurement ranges at the same time to obtain average temperature T1 and average temperature T2 within two measurement ranges; taking the specific value T1 / T2 of the two average temperatures as the setting parameter of a proportion and integral time coefficient in a PID controller, conducting real-time online setting on the proportion and integral time coefficient according to the change of T1 / T2, and obtaining the change value of current heating power through the PID controller by means of the set coefficient; adjusting laser output power according to the change value. By the adoption of the method, under the condition that the overshoot of controlled temperature is reduced greatly, controlled temperature adjusting time is not increased, and the robustness and stability of a spacecraft thermal testing temperature control system are improved.
Owner:ROYAL GAUGE IND
Urban public transport network optimization method capable of improving overall transfer performance
ActiveCN102122434AImprove performanceIncrease the degree of aggregationRoad vehicles traffic controlStructure of Management InformationTransport network
The invention provides an urban public transport network optimization method capable of improving overall transfer performance. In the method, a public transport network is expressed as relation between stations and lines (cliques, the largest complete subgraph in the network). The method comprises the following steps: setting network diameter to be N; simulating the growth process of the actual public transport network to be optimized; starting from an original network with only one clique, adding one clique to the original network at each time step, and forming the network which is composedof overlapped cliques and is logically shown as a structure with (N+1) layers, wherein, the clique at a (m-1) layer is mapped into a point at a m layer, and m is not less than 1 and not more than N+1; and regulating the network after one clique is added at each time step so as to ensure that the network at each layer is composed of the cliques so that the optimized public transport network becomes an ideal clique network with the depth N. By utilizing the method, average transfer time and average shortest path time coefficient of the public transport network can be effectively reduced, and concentration degree of the bus lines is improved, thus realizing higher transfer efficiency of a public transport system.
Owner:ZHEJIANG UNIV OF TECH
Control method for an exhaust gas purification system and an exhaust gas purification system
ActiveUS20050223700A1Easy to operatePrevent oil from being excessively dilutedElectrical controlInternal combustion piston enginesExhaust fumesOperability
In an exhaust gas purification system (1) provided with a continuous regeneration type DPF device (13) and DPF control means (30C), when a collecting quantity (ΔPm) of PM exceeds the predetermined judgment collecting quantity (ΔPm0), a number-of-regeneration-times coefficient (Rc) serving as an index of the number of regeneration times to a travel distance is compared with a predetermined judgment coefficient value (R0). When the number-of-regeneration-times coefficient (Rc) is smaller than the predetermined judgment coefficient value (R0), automatic traveling regeneration is performed and when the number-of-regeneration-times coefficient (Rc) is equal to or more than the predetermined judgment coefficient value (R0), manual regeneration is performed. Thereby, in the case of regeneration of the continuous regeneration type DPF device (13) of the exhaust gas purification system (1), it is possible to greatly decrease the frequency of manual regeneration in which a driver stops a vehicle to perform forced regeneration by a manual regeneration switch and improve the operability for the driver. Moreover, it is possible to solve the oil dilution problem due to a lot of unburned oil injected for DPF regeneration.
Owner:ISUZU MOTORS LTD
Seasonal precipitation analogue prediction method based on seasonal prediction mode
InactiveCN104392097AEfficient use ofImprove work efficiencySpecial data processing applicationsFeature vectorEvaluation result
The invention discloses a seasonal precipitation analogue prediction method based on a seasonal prediction mode, and relates to the technical field of weather prediction of meteorology. The method comprises the following steps of according to historical seasonal mode prediction information, obtaining a mode prediction error principal component and feature vectors corresponding to the mode prediction error principal component; judging whether the mode prediction error principal component can be predicted or not; when the mode prediction error principal component can be predicted, performing the analogue prediction of a time coefficient; when the mode prediction error principal component cannot be predicted, evaluating the time coefficient, and combining the analogue prediction result and evaluation result of the time coefficient, and the feature vectors corresponding to the mode prediction error principal component, so as to form mode prediction errors; utilizing the mode prediction errors to correct seasonal precipitation mode prediction results. By adopting the technical scheme, the method has the advantages that the evolution information of prediction factors can be fully and effectively utilized, the time scale feature of the mode prediction is fully considered, and the working efficiency of prediction persons and the accuracy of prediction results are greatly improved.
Owner:封国林 +2
Near field time domain beam forming method suitable for wideband signal
InactiveCN101383651AAccurate delay implementation in time domainEasy to fixSpatial transmit diversityError prevention/detection by diversity receptionFinite impulse responseWeight coefficient
The invention discloses a near field time domain beam forming method suitable for a wideband signal. According to the index requirements of a desired beam pattern, under the far field assumed condition, the existing far field beam forming technology is utilized to design and obtain the far field beam weight coefficient wm', and the time domain implementation structure is determined; according to the distance r of a near field signal source to a basic matrix center, the far field beam weight coefficient wm' is modified for obtaining the near field beam weight wm; the accurate time delay quantity needed by the modified weight coefficient in the near field beam forming is determined; the window minimum mean square error is adopted to design a finite impulse response fractional delay filter bank, so as to realize the accurate time delay needed in the near field beam forming; the fractional delay filter bank designed at the step (d) is added into a time domain beam former determined at the step (a), so the implementation structure of the near field time domain beam former is obtained. The invention is simple and effective, and is suitable for real time coefficient renovation and the wideband signal, thereby the complexity and the feasibility of the design can be improved greatly.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Method and mobile terminal for measuring network video transmission quality
The invention discloses a method and mobile terminal for measuring the network video transmission quality, and belongs to the field of communication, wherein the mobile terminal obtains the current video cache size C and the playing code rate P of a network video; whether the formula that C is less than or equal to aP is true or not is judged, wherein a is a time coefficient; if the formula that C is less than or equal to aP is true, the fact that video lag occurs is judged; and, if the formula that C is less than or equal to aP is not true, the fact that video lag does not occur is judged. By means of the method and the mobile terminal disclosed by the invention, whether lag occurs or not is judged by introducing the video cache size; therefore, the testing universality and the terminal measurement efficiency are effectively improved; and effective measurement on the network video transmission lag by terminal equipment is realized.
Owner:CHINA TELECOM CORP LTD
Air conditioner load predicting method suitable for building planning stage
PendingCN108870671ACalculations are simple and preciseEasy to calculateMechanical apparatusSpace heating and ventilation safety systemsFresh airEngineering
The invention discloses an air conditioner load predicting calculation method suitable for a building planning stage. The air conditioner load predicting method suitable for the building planning stage comprises the following steps of (1) calculation of the total load of wall bodies and a roof, (2) calculation of the total load of windows, (3) calculation of the total lamplight load, (4) calculation of the total personnel load, (5) calculation of the total equipment load, (6) calculation of the fresh air load, (7) calculation of the heat load, and (8) calculation of the cold load. According tothe air conditioner load predicting method suitable for the building planning stage, based on the principle of the radiation time sequence, the building load of the planning stage is predicted, the principle of the radiation time sequence is applied to the calculation method of the air conditioner load, the necessary iterative calculation process of the model-fitting method (TFM) does not need tobe transmitted, the critical point lies in the fact that that the heat of heat transferring of an enclosure structure uses the radiation time coefficient to convert the radiation heat part into roomhourly cold and heat loads, and calculation is easy, convenient and accurate.
Owner:TIANJIN UNIV
Optimizing provisioning workflows in cloud computing
InactiveUS20130007244A1Optimizing provisioning workflowEconomical with resourceResource allocationDigital computer detailsParallel computingSerialization
A method for optimizing provisioning workflows in cloud computing is provided. The method comprises determining a time coefficient for each resource type or aggregated resource types which define the installation time of a current workflow; accessing the current workflow and creating a tree topology based on the current workflow which defines serialized and parallelized provisioning steps; dividing the tree topology into independent sub-paths; determining a timing condition for an execution time of an optimized workflow; creating an optimized workflow template maintaining the timing condition by: selecting cheapest installation methods and cheapest resources; and reducing the parallelization of the tree topology; creating the optimized workflow by merging the optimized workflow template with data and the resource types of the current workflow.
Owner:IBM CORP
Optimization technique for FIR and IIR filter design
InactiveUS20060218213A1Reducing and minimizing numberSimple calculationDigital technique networkComplex mathematical operationsCanonical signed digitComputer science
A method for optimizing a digital filter that produces an output signal from samples of an input signal is configured with filter coefficients that are selected by a prescribed filter coefficient search. The filter coefficient search uses a pre-scaling constant or an additive constant with the filter coefficients and canonical signed digits to reduce filter cost or filter execution time. The coefficient search includes a precision for the filter coefficients and an allowable number of nonzero digits for each coefficient to produce a filter coefficient set with a reduced overall number of nonzero digits. The resulting filter can generally be implemented with substantially less integrated circuit die area than that obtainable with previous design approaches.
Owner:TEXAS INSTR INC
Vehicle shake control method and device
ActiveCN107097687AImprove ride comfort performanceSpeed controllerElectric energy managementControl theoryTime coefficient
The invention provides a vehicle shake control method and device. The vehicle shake control method comprises the steps of detecting rotational speed extreme values of a vehicle which occur within a preset time period, and counting the occurrence frequency of the rotational speed extreme values, wherein the rotational speed extreme value comprises a rotational speed maximum value and a rotational speed minimum value; according to current operating conditions, the rotational speed extreme values and the occurrence frequency of the rotational speed extreme values of the vehicle, judging whether the vehicle shakes or not; when it is judged that the vehicle shakes, adjusting a filter time coefficient of a motor. Through the vehicle shake control method and device, when the vehicle is under different operating conditions, whether the vehicle shakes due to fluctuation of a rotational speed of the motor or not can be determined, when the vehicle shakes due to the rotational speed of the motor, the filter time coefficient of the vehicle is adjusted, the vehicle is further made to no long shake, and the taking comfort of the vehicle is improved.
Owner:BEIJING ELECTRIC VEHICLE
Video quality scoring method and system
ActiveCN105721899AEffectively filter the impact of user scoringEffective scoring impactSelective content distributionSpecial data processing applicationsAlgorithmScore method
The invention discloses a video quality scoring method. The method comprises the following steps of S, obtaining a video playing quality score S and a video playing effective times E; S2, establishing a relation between a video playing time coefficient D and the video playing effective times E to obtain the video playing time coefficient D; S3, calculating the video playing quality total score T according to a formula as follows: T is equal to S*D; and S4, calculating the video quality score G according to a formula as follows: G is equal to T / E. The invention also discloses a video quality scoring system. By adoption of the scoring method, the influence of fraudulent scoring by users can be effectively filtered, relatively less algorithm calculated amount is required, and the burden of a server can be relieved.
Owner:ALIBABA (CHINA) CO LTD
Method and system for taxi information interaction
ActiveCN103021167AImplement dynamic selectionMaximize utilizationRoad vehicles traffic controlTransmissionPersonalizationResource utilization
The invention provides a method and system for taxi information interaction. The method and system includes the following steps that an information pushing server determines a required time degree range and transmits the range to a comparator according to self storage information after receiving a book request, determines distance coefficient according to position information of determined no-load taxis and a customer client and determines speed limit coefficient according to road speed limit between the taxis and the customer client to determine supplier time coefficient and transmit the coefficient to the comparator. The comparator compares the required time degree range with the supplier time coefficient, determines a target taxi and transmits the required time degree range and the target taxi information to the information pushing server. The information pushing server transmits information to be pushed to the customer client according to the required time degree range, the target taxi information and an information pushing comparison list. The method and system achieves dynamic selection of taxis according to individual requirements of business to be done of customers and achieves resource utilization maximization of the taxis.
Owner:ANHUI SAFE ELECTRONICS
Electronic camera video signal correcting device
InactiveUS20060132625A1Television system detailsColor television detailsSignal correctionTemperature difference
A device stores in ROM white spot addresses, white spot levels, an OB level median, sensitivity, and time-in-second under dark shooting, a temperature coefficient correcting the white spot level according to the temperature under normal shooting, a sensitivity coefficient for the sensitivity-based correction, and a time-in-second coefficient for the exposure time-in-second-based correction. A temperature difference during shooting a subject is obtained according to the difference between OB level median during normal shooting and that during dark shooting. A correction value for the white spot level due to temperature is obtained from temperature difference and temperature coefficient, and similarly, correction value due to sensitivity is obtained from sensitivity difference and sensitivity coefficient, and correction value due to time-in-second is obtained from time-in-second difference and time-in-second coefficient for correction. Dark current is corrected by subtracting OB level median during shooting a subject from the video signal during shooting a subject.
Owner:NIKON CORP
Call center outbound prediction method
ActiveCN110266901AReduce invalid waiting timeImprove resource utilizationSpecial service for subscribersOperational costsResource utilization
The invention discloses a call center outbound prediction method, which comprises the following steps: firstly, introducing a time coefficient and a task factor, and combining the following formula to obtain the actual final outbound amount S of a call center; and according to the predicted number of seats to be idle and the actual final outbound call amount, carrying out outbound calling on a task to be executed, when the outbound call is passed, transferring the task to the idle seat, and the idle seat continuing to complete subsequent work. According to the method, the seat invalid waiting time can be reduced, the seat working efficiency and the line resource utilization rate are improved, the operation cost is saved, and the seat outbound efficiency is improved.
Owner:北京容联汇通信息技术有限公司
Method of regulating the titer of a solution, device for controlling said regulation, and system comprising such a device
InactiveUS20050084979A1Low costAnalysis using chemical indicatorsControlling ratio of multiple fluid flowsEngineeringTime coefficient
The invention concerns a system for regulating the titer of a solution, which consists in adding in the solution a predetermined amount of a product contained in the solution in a time interval, called addition time interval, proportional to the product of the time coefficient D of degradation of said product in solution and to the total volume Vt of the solution at the time of the addition. The invention also concerns a device for controlling the regulation of the titer of a solution, said solution containing a product, comprising means (10) for controlling injection of a predetermined amount of said product into said solution according to a time interval, called addition time interval, proportional to the product of the time coefficient D of degradation of said product and to the total volume Vt of the solution at the time of addition.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
Website vulnerability scanning method and apparatus, computer device and storage medium
ActiveCN107634945AAvoid security risksImprove effectivenessPlatform integrity maintainanceTransmissionTime dataOperating system
The invention relates to a website vulnerability scanning method and apparatus, a computer device and a storage medium. The method comprises the following steps: reading a vulnerability scanning taskin a scanning task pool; searching a website corresponding to the vulnerability scanning task, obtaining access data of the website, and obtaining a popularity coefficient of the website according tothe access data; obtaining historical vulnerability scanning data and a vulnerability risk grade table, and obtaining a security risk coefficient of the vulnerability scanning task according to the historical vulnerability scanning data and the vulnerability risk grade table; obtaining updating time data of the vulnerability scanning task, and calculating a time coefficient of the vulnerability scanning task according to the updating time data; inputting the popularity coefficient, the security risk coefficient and the time coefficient in a preset priority evaluation model for processing to obtain an execution priority weight of the vulnerability scanning task; and executing the vulnerability scanning tasks in the scanning task pool according to the execution priority weights from large tosmall. The scanning effectiveness can be improved, and the scanning effect is improved.
Owner:PING AN TECH (SHENZHEN) CO LTD
Image reconstruction using redundant Haar wavelets
ActiveUS8948480B2Reconstruction from projectionCharacter and pattern recognitionHaar waveletComputer vision
Owner:SIEMENS HEALTHCARE GMBH
Method and device to generate position profile in motion controller
InactiveUS20060089748A1Reduce the amount requiredAccurate calculationProgramme-controlled manipulatorComputer controlMotion controllerArtificial intelligence
Owner:STANZIONE & KIM
Optimizing provisioning workflows in cloud computing
InactiveUS9250886B2Optimizing provisioning workflowEconomical with resourceResource allocationDigital computer detailsParallel computingCloud computing
Owner:INT BUSINESS MASCH CORP
Calculation method for vertical displacement of immersed tunnel tube segments under vehicle load
ActiveCN106909755AStrong computing powerIncrease computing speedGeometric CADDesign optimisation/simulationDynamic equationEngineering
The invention provides a calculation method for vertical displacement of immersed tunnel tube segments under a vehicle load. The method comprises the steps of simulating tube segments by adopting a Timoshenko girder, enabling a foundation to be equivalent to a series of spring elements and damper elements, which are connected in series, and building a tube segment-joint model, wherein each of an anti-shearing unit and an anti-bending unit in the joint model is formed by connecting a spring and a damper in parallel; and simplifying boundary conditions of the tube segments and considering the boundary conditions to be free-free, wherein the joint action is achieved through adding concentrated force and concentrated moment to the end parts of the tube segments, and the concentrated force and the concentrated moment on the adjacent end surfaces are equal in magnitude and opposite in direction. Through solving of a tube segment vibration mode function and building and solving of a tube segment power dynamic equation, an nth-order time coefficient as shown in the specification of a jth tube segment is solved by adopting a Newmark step-by-step integration method; and a vertical displacement response of any longitudinal position of each tube segment can be obtained by combining with a tube segment mode function.
Owner:ZHEJIANG UNIV CITY COLLEGE
Power transmission and transformation system risk early warning method
InactiveCN106651128AAccurately determineReduce patrol rangeResourcesElectric power transmissionPower grid
The invention discloses a power transmission and transformation system risk early warning method. The method includes the following steps that: S1, a power transmission line risk assessment establishing overall framework is established, a risk assessment model is established according to each component of a power transmission line, the quantization of state quantities is established, and the degrees of membership of the state quantities are solved; and S2, a calculation method and an evaluation standard for the correction of the risk value of the power transmission line by the operating years and operating environment of equipment and the operation status of a power grid are determined, and the aging coefficients of the components, the operating environment time coefficient and geographical position coefficient of the power transmission line are defined. With the power transmission and transformation system risk early warning method of the invention adopted, an interval of the power transmission line, where a fault occurs, can be determined more accurately, fault inspection can be performed in a targeted manner, the inspection range of line fault inspectors can be decreased, line fault inspection time can be decreased, the cause of the fault of the power transmission line can be determined more accurately, and the efficiency of fault analysis can be improved.
Owner:STATE GRID CORP OF CHINA +1
Method and system for stabilizing distributed energy source power fluctuation based on temperature and power control
ActiveCN106911136AExtend your lifeMeet comfort requirementsSingle network parallel feeding arrangementsAc network load balancingReal-time chargingEnergy source
The invention belongs to the hybrid energy storage technology field and relates to a method and system for stabilizing distributed energy source power fluctuation based on temperature and power control. According to the method, a variable filtering time coefficient is adjusted through fuzzy control and based on a real-time operation state of a heat pump and real-time charge states of a super capacitor and a storage cell; generation fluctuation power is distributed among the heat pump, the super capacitor and the storage cell through temperature and power control, and low frequency and medium high frequency components in power fluctuation can be respectively stabilized. The method is advantaged in that hybrid energy storage investment cost is reduced, service life of the storage cell is prolonged, system reliability and economic benefits are improved, and heat pump output components can be corrected through temperature control to satisfy comfort level requirements of users.
Owner:SHANGHAI JIAO TONG UNIV
Electric power communication network operation fault measuring method
ActiveCN106559242AReflect the degree of influenceReflect the impactData switching networksNetwork onEngineering
The invention provides an electric power communication network operation fault measuring method. The electric power communication network includes network units including cables and devices. The method includes the following steps of setting the hazard degree of the fault mode; determining the influence of the network units; determining the operational failure indexes of all network units; and measuring the operation faults of the electric power communication network. The measuring method defines the influence degree of the network units, so that the operational failure indexes contain the influence degree of the fault points on the whole network; The faults are subdivided into a set of failure modes, the hazard degree of the fault modes is defined by means of a risk matrix graph, and the influence degree of the whole network on the fault frequency is reflected; the time coefficients are defined, and the influence of the fault mode time length on the whole network is reflected; the calculation of the operation fault index is good in application prospect based on the statistical data of the communication network faults; and the operation failure index calculation method is simple, and the communication network fault condition can be comprehensively reflected.
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