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33results about How to "Feasible solution" patented technology

Method and communication system for storing address of network anchor point to network server

A method for storing an address of a network anchor point to a network server is provided The provided method includes the following steps: a terminal initiates an attach request or a bearer establishment request, and a network selects a network anchor point; and when the network anchor point assigns a first bearer context to the terminal, or a first connection is established between the network anchor point and the terminal, the network registers an address of the network anchor point to a network server. A method for deleting an address of a network anchor point from a network server is also provided, which includes the following steps: when a terminal or an entity in a network initiates a delete bearer request, the network instructs a network server to delete an address of a network anchor point that has been registered to the network server if the network anchor point no longer serves the terminal; and the network server deregisters the address of the network anchor point. A communication system is further provided.
Owner:HONOR DEVICE CO LTD

Method for optimization of an order of component mounting, apparatus using the same, and mounter

An optimizing apparatus (300a) for a mounter equipped with a line gang pickup head which picks up a plurality of components and mounts them on a board comprises: a nozzle set determination unit (305a) for determining a nozzle set which reduces a mounting time in view of the number of times interchanging pickup nozzles and a total task number necessary for mounting the plural components; a nozzle pattern determination unit (305b) for determining an optimal nozzle pattern as well as an arrangement of pickup nozzles (nozzle arrangement) at a nozzle station (119), based on the nozzle set determined by the nozzle set determination unit (305a); and Z-axis arrangement / mounting order optimization unit (305c) for determining an array order of component feeders and a mounting order of components while maintaining the determined nozzle set and nozzle pattern.
Owner:PANASONIC CORP

Vehicle spare part sales volume forecasting method and system based on unified dynamic integration model and meta-heuristic algorithm

InactiveCN107705157ASolve the problem of accurately forecasting demand for various spare partsGood optimization accuracyMarket predictionsArtificial lifePredictive systemsPredictive methods
The invention provides a vehicle spare part sales volume forecasting method and system based on a unified dynamic integration model and a meta-heuristic algorithm. The method comprises the steps thata database is established to store data needed for forecasting the vehicle spare part sales volume, and the sales volume of various vehicle spare parts is comprised and is called as a forecasting variable; a data acquisition module is connected with the database and the vehicle spare part sales volume forecasting system to acquire the needed forecasting variable, and a number of parallel typical forecasting methods are used for forecasting to acquire forecasting results corresponding to various forecasting methods; furthermore, various forecasting results are stored, and a unified dynamic integrated model is established; the meta-heuristic algorithm is used to optimize the forecasting model coefficients; the acquired forecasting model is stored in a vehicle spare part sales volume forecasting application system; and a spare part sales volume forecasting result is generated after the corresponding vehicle spare part sales volume data are input. According to the invention, the model which is suitable for forecasting various vehicle spare parts is found; the characteristics of high optimization precision and the like of the meta-heuristic algorithm are used; and the vehicle spare partsales volume forecasting precision is effectively improved.
Owner:DALIAN UNIV OF TECH

Method for optimization of an order of component mounting, apparatus using the same, and mounter

An optimizing apparatus for optimizing a mounter equipped with a line gang pickup head which picks up a plurality of components and mounts them on a board. The apparatus includes a nozzle set determination unit for determining a nozzle set which reduces a mounting time in view of a number of times interchanging pickup nozzles and a total task number necessary for mounting the plural components, a nozzle pattern determination unit for determining an optimal nozzle pattern as well as an arrangement of pickup nozzles (nozzle arrangement) at a nozzle station, based on the nozzle set determined by the nozzle set determination unit, and Z-axis arrangement / mounting order optimization unit for determining an array order of component feeders and a mounting order of components while maintaining the determined nozzle set and nozzle pattern.
Owner:PANASONIC CORP

Mixed municipal sewage and fecal sewage A2/O-biomembrane nitrogen and phosphorus synchronous removing device and method thereof

InactiveCN101935132AImprove the function of nitrogen and phosphorus removalSolve the problem of mud age contradictionTreatment using aerobic processesTreatment with aerobic and anaerobic processesFecesNitration
The invention discloses mixed municipal sewage and fecal sewage A2 / O-biomembrane nitrogen and phosphorus synchronous removing device and method thereof. In the device, a second aerobic tank is connected with an anoxic tank through a pipeline and a mixed-liquid reflux pump; a sedimentation tank is connected with an anaerobic tank through a pipeline and a sludge reflux pump; and suspended filling materials are dispersed into a first aerobic tank and the second aerobic tank and are three-dimensional hollow light porous porcelain granules. By filling the suspended filling materials into an aeration tank of the traditional AAO (Anaerobic, Anoxic and Oxic) technology, carriers of an attaching and growing surface of microorganism are provided, biomass in the aeration tank is increased, processing ability of waste water is improved and sewage bulking is overcome, and attached phases and suspended phases simultaneously exist in the aeration tank to sufficiently exert superiority. On the premise that the volume of a reactor is not increased, the invention intensifies a nitration generating condition, improves the function of removing nitrogen and phosphorus of the traditional active sludge method technology, solves the problem of sludge age contradiction of the traditional AAO technology in a nitrogen and phosphorus removing process and has good water processing effect.
Owner:SOUTH CHINA UNIV OF TECH

Multivariable interval control method for greenhouse environment system

ActiveCN105843299AEnsuring Existence RequirementsDegrees of freedom for economic optimizationSimultaneous control of multiple variablesGreenhouse productionTarget control
The invention relates to a multivariable interval control method for a greenhouse environment system, is mainly applied to a multivariable control system for greenhouse production and replaces a traditional point control target with an interval control target through relaxing target control precision of environment factors. The method comprises steps that 1), controller parameters are initiated, and greenhouse environment factor control target intervals are set; 2), the environment factors such as indoor humiture and CO2 concentration are acquired through a sensor; 3), the acquired environment factors are compared with those of a controlled target control interval, and control deviation can be acquired by employing a control deviation processing algorithm; and 4), feedback control is carried out by the controller according to control deviation, the larger control deviation, the stronger the control effect is, through adjustment carried out by an actuating structure, the greenhouse environment multivariable interval control target is realized. According to the method, not only can a problem of no-solution limit caused by strong coupling among the factors of the greenhouse environment be effectively solved, but also wide freedom is provided for controller economy optimization.
Owner:ZHEJIANG UNIV OF TECH

Numerical simulation of airflow within porous materials

Systems and methods of numerically simulating airflow within porous materials are disclosed. Engineering product (e.g., car seat) represented by a finite element analysis model containing in part porous material with permeability. In each solution cycle of a time-marching simulation, each of the elements of porous material is evaluated with airflow in conjunction with the traditional mechanical response. Each element's volume change results into different pore air pressure hence a pressure gradient, which in turn is used for airflow calculated in accordance with a fluid seepage law that depends upon permeability of the porous material. Therefore, a more realistic simulation of structural behavior of porous materials can be achieved. The volume change and pressure of each element of porous material is evaluated using ideal gas law. A general form of Darcy's law includes user control parameters is used for evaluating airflow based on the pressure gradient and permeability.
Owner:LIVERMORE SOFTWARE TECH

Antenna system and method for reporting receiving power of the same

An antenna system and a method for reporting enhanced Reference Signal Receiving Power (eRSRP) of the same are provided. According to an embodiment of the present invention, the method for reporting eRSRP includes: transmitting, by an evolved Node Base (eNB), different reference signals to different transport points being distributed; measuring, by a user equipment (UE), eRSRP of the different transport points; and reporting, by the UE, the measured eRSRP of the different transport points to the eNB. Compared with the prior art, the eNB can obtain channel information of path loss of each transport point, to fundamentally solve the problem of unbalanced power, and can perform other optimization operations based on the information to improve the system throughput and other performance.
Owner:ALCATEL LUCENT SAS

Electrical power system multi-target overhaul optimization method under market environment

ActiveCN104217255ATroubleshoot maintenance schedule issuesMeet the constraintsGenetic modelsForecastingReal arithmeticElectric power system
The invention discloses an electrical power system multi-target overhaul optimization method under market environment. The electrical power system multi-target overhaul optimization method comprises the following steps: obtaining the data of each electricity generator; establishing a power grid multi-target overhaul optimization model under the market environment; carrying out real number encoding to a unit output variable and a unit overhaul variable of the model, carrying out 0-1 binary encoding to a unit on-line state variable and a unit starting state variable in the model, and converting the unit on-line state variable and the unit starting state variable into dependent variables represented by the unit output variable and the unit overhaul variable from independent variables; initializing the unit output variable and the unit overhaul variable; taking obtained variable initialization values as the population initialization input of a quick non-dominated sorting method for solving to obtain an optimal solution set; and determining a final unit overhaul and output scheme from the obtained optimal solution set by adopting a multi-target decision method. The electrical power system multi-target overhaul optimization method is simple to execute, is high in expandability and can be used for solving multi-target overhaul optimizations of different target functions and constraint conditions.
Owner:ZHEJIANG UNIV

CARBON DIOXIDE DISSOLUTION AND C4+nM STATE CARBON RECYCLING DEVICE AND METHOD

With this technology, we build a nano-material which is structured as a tree with the branches and leaves being tentacles. When the temperature is between 150° C. and 180° C., those tentacles will shape themselves into nanometer holes to catch ion.The chemical equation: uv+CO2+ΔnM+2H2+4e−↑→C+2H2O+∇nM+4e−↓.Those two chemical equations have one common subject, that's they both take high energy light particles to break the electron bond between carbon and oxygen, thus, the invertor can reduce the greenhouse gases (CO2) in the atmosphere or recycle carbon from industrial emissions.
Owner:CHEN SHU CHIN +2

Memory unit for emulated shared memory architectures

A memory unit for handling data memory references of a multi-threaded processor with interleaved inter-thread pipeline in emulated shared memory architectures, includes a step cache defining associative cache memory array where data stays valid till the end of ongoing step of multithreaded execution, the memory array incorporating a plurality of cache lines with data fields, each line containing a data field for address tag and data field thread id of the first thread referring to a data memory location specified by the address tag, a scratchpad defining a memory buffer for storing internal data of multioperations, the buffer including a single data field for each processor thread, the memory unit configured to access the step cache for a cache search and scratchpad for retrieving and / or storing internal data at different clock cycles and different stages of the processor pipeline during multioperation execution involving data memory reference by the processor.
Owner:TEKNOLOGIAN TUTKIMUSKESKUS VTT

Digital Loop Filter for All-Digital Phase-Locked Loop Design

A digital loop filter installed in an all-digital phase-locked loop (PLL) receives a digitally controlled oscillator (DCO) control code transmitted from a PLL controller in the all-digital PLL, and calculate an average value, such that the PLL controller can produce another DCO control code by the average value for controlling and adjusting an output signal of a digitally controlled oscillator (DCO) in the neighborhood of the average value to maintain compensating a phase / frequency difference with an input signal, so as to minimize the jitter effect of the input signal on the all-digital PLL, reduce the jitter effect of the output signal, and keep tracking and locking the frequency and the phase of the input signal.
Owner:NAT CHIAO TUNG UNIV

A courier group path navigation method

ActiveCN109840625AUniformity Index ImprovementImprove fusion metricsForecastingBiological modelsPath lengthLogistics management
The invention discloses a courier group path navigation method, belongs to the technical field of path navigation, and aims to solve the multi-point and multi-target navigation problem of logistics distribution. Due to the regionality of the logistics distribution point, the method enables the distribution path length of each courier to be as short as possible and approximately equal by reasonablyallocating a plurality of courier, so that all packages can quickly and effectively be received by the users as much as possible. Aiming at a plurality of indexes of group path navigation, the methodprovides a series of strategy improvements including a mean value rebound-state transition formula, the length of the path of each courier is manually controlled through a rebound warehouse point, sothat the length is shorter, and the uniformity is better; a multi-target assessment mode which enables the model to balance a plurality of different targets and adapt to actual model requirements; And a mode of searching different pheromone updating strategies at different stages by the ant colony. By adopting the method, the distribution paths of multiple couriers can be navigated in a unified manner, so that the labor cost is effectively reduced, and the distribution time is shortened.
Owner:SOUTH CHINA UNIV OF TECH

Econometrics and heuristic intelligence combined automobile sales prediction method and system

The invention provides an econometrics and heuristic intelligence combined automobile sales prediction method and system. The method comprises the following steps of: storing data required by automobile sales prediction through establishing a database, wherein data comprises economic indexes, brand automobile sales and automobile sales, which are called as prediction variables; connecting the database and the automobile sales prediction system through the data so as to obtain required prediction variables, and verifying structural relationships between the variables so as to obtain endogenousvariables with a long-term equilibrium and causal relationship; establishing a vector error correction model for the endogenous variables; optimizing coefficient of a prediction model by utilizing a heuristic intelligence algorithm; and finally storing the obtained prediction model into a sales prediction application system, and generating a sales prediction result after inputting corresponding economic variables, brand automobile sales data and former-year automobile sales data. According to the method and system, a model suitable for long-term prediction is found, and the characteristic of high precision of the heuristic intelligence can be utilized at the same time, so that the automobile sales prediction precision is effectively improved.
Owner:DALIAN UNIV OF TECH

Power system hybrid simulation fault unified processing method

The invention provides a power system hybrid simulation fault unified processing method. The method includes the following steps that: A, in hybrid simulation, a power system alternating current network is established at an electromechanical transient side through utilizing an electromechanical transient super real-time simulation program TH-STBLT; B, at a fault port, the power system alternating current network is divided into a normal sub network and multi-port fault sub networks; C, in the normal sub network, a power grid part is described through adopting a fundamental wave three-sequence network, and primary equipment dynamic elements such as a generator, a dynamic load and a power electronic device are connected into a positive sequence network; and D, in the multi-port fault sub networks, fault models of power system network elements are established according to fault information, and a multi-port and multi-fault complex admittance unified module Yf is derived; E, the Yf is superimposed into an admittance module Y of the positive sequence network of the normal sub network, and positive sequence voltage and positive sequence current of a fault port of the positive sequence network are calculated; and F, the voltage of the fault ports of a negative sequence network and a zero sequence network is calculated through the current of the fault port of the positive sequence network.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD

Data fusion based spaceborne distributed integrated aperture microwave radiometer system

A data fusion based spaceborne distributed integrated aperture microwave radiometer system comprises a data fusion processing subsystem and at least N*M completely identical integrated aperture microwave radiometer subsystems, and N and M are decided by a ratio of the spatial resolution in the directions along and crossing the orbit of the whole system to the spatial resolution in the directions along and crossing the orbit of the data fusion processing subsystem; all the integrated aperture microwave radiometer subsystems are all arranged in the same orbit height, and projection grids of theintegrated aperture microwave radiometer subsystems in the ground are arranged and overlapped regualarlly; and each integrated aperture microwave radiometer subsystem obtains a brightness temperatureimage of the ground and records the brightness temperature image as an original brightness temperature image; and the data fusion processing subsystem determines a brightness temperature value of thewhole system in the projection grids, recorded as refined grids, of the ground in a data fusion manner according to original grid overlap relation of each integrated aperture microwave radiometer subsystem, namely, determines high-resolution brightness temperature data after data fusion. The high-resolution brightness temperature data is improved by N and M times in the directions along and crossing the orbit.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Rapid deploying system and method for a RFID (radio frequency identification devices) antenna

ActiveCN101872885BReduce the influence of electromagnetic signalsMeet the needs of deploymentAntenna supports/mountingsCo-operative working arrangementsThree degrees of freedomEngineering
The invention discloses a rapid deploying system and a method for a RFID antenna. In the invention, the RFID antenna is deployed by arranging a portal frame structure in an in and out storage environment and utilizing different space positions and angles in the portal frame structure, and the reading performances of the parameter combinations of one or more than one RFID antenna on RFID labels stuck to commodities in the application site environment are compared. In order to optimize the test process and shorten the test time, firstly, the method selects a representative test point through anorthogonal test to conduct a test, secondly, inspects fitting relation between an independent variable and a dependent variable through a zero-level repeated test, subsequently determines the best deploying position of the RFID antenna through a gradient search test and finally replaces a three degree of freedom motor in the test with a fixed support to complete RFID antenna deployment in the environment. The invention provides reliable guarantee for improving the RFID system performance, predicting the deploying effect and optimizing the deploying conditions under complex environmental conditions.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Digital loop filter for all-digital phase-locked loop design

A digital loop filter installed in an all-digital phase-locked loop (PLL) receives a digitally controlled oscillator (DCO) control code transmitted from a PLL controller in the all-digital PLL, and calculate an average value, such that the PLL controller can produce another DCO control code by the average value for controlling and adjusting an output signal of a digitally controlled oscillator (DCO) in the neighborhood of the average value to maintain compensating a phase / frequency difference with an input signal, so as to minimize the jitter effect of the input signal on the all-digital PLL, reduce the jitter effect of the output signal, and keep tracking and locking the frequency and the phase of the input signal.
Owner:NAT CHIAO TUNG UNIV

Arrangement for providing visual effects and related method

An arrangement for providing visual effects including light emitting members attached to a target, an imaging unit for locating the light emitting members, a computing unit for receiving real-time location information data from the imaging unit and controlling a laser projector based on the received location information data, a laser projector projecting a laser beam responsive to control information provided by the computing unit, and a partially reflecting mirror reflecting the projected laser beam with respect to the light emitting members towards and / or in the vicinity of the light emitting members and passing the light from the light emitting members to the imaging unit. Related method is presented.
Owner:D I E TECH OY

A Spaceborne Distributed Synthetic Aperture Microwave Radiometer System Based on Data Fusion

A spaceborne distributed synthetic aperture microwave radiometer system based on data fusion, including a data fusion processing subsystem and at least N*M identical synthetic aperture microwave radiometer subsystems, N and M respectively depend on the order of the entire system The ratio of the spatial resolution in the track and cross-track directions to the spatial resolution in the along-track and cross-track directions of the synthetic aperture microwave radiometer subsystem; all the synthetic aperture microwave radiometer subsystems are arranged at the same track height, and in The projection grid on the ground has regular overlapping; each synthetic aperture microwave radiometer subsystem obtains the ground brightness temperature image and records it as the original brightness temperature image; the data fusion processing subsystem according to each synthetic aperture microwave radiometer subsystem The overlapping relationship of the original grid, the projection grid of the whole system on the ground is determined by data fusion and recorded as the brightness temperature value of the subdivided grid, that is, the high-resolution brightness temperature data after data fusion, the high-resolution brightness temperature The data has increased by N times and M times in the along-track direction and the cross-track direction, respectively.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Liquid-liquid-liquid three-phase continuous countercurrent extraction device and use thereof

A liquid-liquid-liquid three-phase continuous and countercurrent extraction apparatus comprises a three-phase-mixing chamber, a three-liquid-flow settler, and a two-phase-mixing chamber; a liquid-flow control separator placed in the three-liquid-flow settler aims to flexibly regulate the directions of three liquid flows in the three-phase system by different control separator combinations to achieve either a countercurrent operation of the top-layered phase with the middle-bottom two-layered mixtures, or a countercurrent operation of the top-middle two-layered mixtures with the bottom-layered phase; and a method of using the same, relating to extraction and separation field of chemical technology.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Multi-variable Interval Control Method for Greenhouse Environment System

ActiveCN105843299BEnsuring Existence RequirementsDegrees of freedom for economic optimizationSimultaneous control of multiple variablesGreenhouse productionControl objective
The invention relates to a multivariable interval control method for a greenhouse environment system, is mainly applied to a multivariable control system for greenhouse production and replaces a traditional point control target with an interval control target through relaxing target control precision of environment factors. The method comprises steps that 1), controller parameters are initiated, and greenhouse environment factor control target intervals are set; 2), the environment factors such as indoor humiture and CO2 concentration are acquired through a sensor; 3), the acquired environment factors are compared with those of a controlled target control interval, and control deviation can be acquired by employing a control deviation processing algorithm; and 4), feedback control is carried out by the controller according to control deviation, the larger control deviation, the stronger the control effect is, through adjustment carried out by an actuating structure, the greenhouse environment multivariable interval control target is realized. According to the method, not only can a problem of no-solution limit caused by strong coupling among the factors of the greenhouse environment be effectively solved, but also wide freedom is provided for controller economy optimization.
Owner:ZHEJIANG UNIV OF TECH

Image shadow removal method based on model driving

PendingCN114742724AImprove shadow removalEfficient and accurate reconstructionImage enhancementImage analysisComputer visionVariational model
The invention discloses an image shadow removal method based on model driving. The method comprises the following steps: 1, constructing a new adaptive transformation shadow illumination model; 2, constructing a variation model of a shadow-free image according to the shadow illumination model; and 3, constructing an efficient model-driven iterative algorithm to solve the variational model so as to obtain a reconstructed shadow-free image. According to the method, the advantages of interpretability of a traditional model driving scheme and high efficiency of a data driving scheme can be fully combined, an image shadow removing algorithm based on shadow image illumination model driving is constructed, and partial steps in the algorithm are replaced by the convolutional neural network; therefore, shadow removal with high operation efficiency, good removal effect and high interpretability can be realized.
Owner:UNIV OF SCI & TECH OF CHINA

Architecture for long latency operations in emulated shared memory architectures

A processor architecture arrangement for emulated shared memory (ESM) architectures, comprises a number of, preferably a plurality of, multi-threaded processors each provided with interleaved inter-thread pipeline, wherein the pipeline comprises a plurality of functional units arranged in series for executing arithmetic, logical and optionally further operations on data, wherein one or more functional units of lower latency are positioned prior to the memory access segment in said pipeline and one or more long latency units (LLU) for executing more complex operations associated with longer latency are positioned operatively in parallel with the memory access segment. In some embodiments, the pipeline may contain multiple branches in parallel with the memory access segment, each branch containing at least one long latency unit.
Owner:TEKNOLOGIAN TUTKIMUSKESKUS VTT

A method and system for solving a job shop scheduling problem without delay considering overtime

The invention discloses a method and system for solving a job shop scheduling problem without delay considering overtime. The method includes: performing genetic algorithm population initialization; adopting a multi-stage decoding strategy with reconstruction rules to evaluate the fitness of each chromosome; Judging whether the iteration termination condition is satisfied, if so, output the optimal solution and end the operation; if not, input the optimal solution generated by the current iteration into the simulated annealing algorithm for local search optimization; based on the optimal solution of the simulated annealing algorithm, in the current In the population, the selection operation, crossover operation, and mutation operation of genetic operators are performed to generate the next generation population; the fitness evaluation of the next generation population is performed, and the iterative operation is performed until the iteration termination condition is satisfied, and the global optimal solution is output. The present invention uses the multi-stage decoding method combined with the reconstruction rule and the population initialization method based on the dispatching rule in the improved genetic simulated annealing algorithm, and can obtain a feasible solution with less total advance and overtime cost under no delay constraint.
Owner:WUHAN UNIV OF SCI & TECH

Antenna system and method for reporting receiving power of the same

An antenna system and a method for reporting enhanced Reference Signal Receiving Power (eRSRP) of the same are provided. According to an embodiment of the present invention, the method for reporting eRSRP includes: transmitting, by an evolved Node Base (eNB), different reference signals to different transport points being distributed; measuring, by a user equipment (UE), eRSRP of the different transport points; and reporting, by the UE, the measured eRSRP of the different transport points to the eNB. Compared with the prior art, the eNB can obtain channel information of path loss of each transport point, to fundamentally solve the problem of unbalanced power, and can perform other optimization operations based on the information to improve the system throughput and other performance.
Owner:ALCATEL LUCENT SAS

Arrangement for providing visual effects and related method

ActiveUS20170304742A1Feasible solutionEasily attachable to different targetTelevision system detailsOptical measurementsLight beamOptoelectronics
An arrangement for providing visual effects including light emitting members attached to a target, an imaging unit for locating the light emitting members, a computing unit for receiving real-time location information data from the imaging unit and controlling a laser projector based on the received location information data, a laser projector projecting a laser beam responsive to control information provided by the computing unit, and a partially reflecting mirror reflecting the projected laser beam with respect to the light emitting members towards and / or in the vicinity of the light emitting members and passing the light from the light emitting members to the imaging unit. Related method is presented.
Owner:D I E TECH OY

Efficient virtual machine deployment optimization method for data center

The invention discloses an efficient virtual machine deployment optimization method for a data center. The method is characterized in that optimization and improvement are carried out on the basis of a firefly algorithm, the algorithm maps the positions of fireflies to form a feasible solution, and the deployment of virtual machines is realized by solving the positions of the fireflies. The method improves the firefly algorithm, and mainly comprises the following steps: constructing a virtual machine deployment model; designing a firefly mapping mechanism; selecting a mapping scheme according to the fitness values of the fireflies; and updating the positions of the fireflies. According to the algorithm, the total energy consumption of the cloud data center can be minimized on the premise that a server can provide enough hardware resources for the virtual machines on the server, so use cost is reduced.
Owner:NANJING UNIV OF SCI & TECH

A kind of urban sewage a 2 /o-biological synchronous nitrogen and phosphorus removal device and method

ActiveCN105461061BReduce or eliminate the impact of the anaerobic phosphorus release processReduce or eliminate the impactWater contaminantsTreatment with aerobic and anaerobic processesNitrateSubmersible mixer
The invention discloses an A<2> / O-biology synchronous nitrogen and phosphorus removal device for urban sewage. The device comprises a pre-anoxic pond, an anaerobic pond, an anoxic pond, an aerobic pond and a settling pond; the urban sewage is conveyed to the pre-anoxic pond and the anaerobic pond through a water inlet, a sewage lifting pump room with a coarse grille and a fine grille, an aeration grit basin, a water pump and a water inlet pipe; the interior of the pre-anoxic pond, the interior of the anaerobic pond and the interior of the anoxic pond are each provided with a submersible stirrer, the bottom of the aerobic pond is provided with an aerator, the aerobic pond is connected with the anaerobic pond through a nitration mixing reflux pipeline, the anoxic pond is connected with the anaerobic pond through an anoxic mixing reflux pipeline, one part of sludge at the bottom of the settling pond is conveyed to a sludge concentrating and dewatering room, and the other part of the sludge at the bottom of the settling pond is connected with the pre-anoxic pond through a reflux sludge pipeline. The invention further discloses an A<2> / O-biology synchronous nitrogen and phosphorus removal method for the urban sewage. According to the A<2> / O-biology synchronous nitrogen and phosphorus removal device and method for the urban sewage, the influence of nitrate on the anaerobic phosphorus releasing process is reduced or eliminated, the carbon source demands for anoxic denitrification nitrogen removing and anaerobic phosphate releasing are balanced, and the efficient nitrogen and phosphorus removal effects are achieved.
Owner:SOUTH CHINA UNIV OF TECH +2
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