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32results about How to "Make reasonable" patented technology

Intelligent engine system capable of automatically triggering intelligent home and intelligent life scenes and method

The invention discloses an intelligent engine system capable of automatically triggering intelligent home and intelligent life scenes and a method. The system comprises a data acquisition unit, an application object preference configuration unit, a distributed stream computing platform, an instruction execution unit and a message notification unit. The method comprises the steps that a, the data acquisition unit acquires environment factor data, behavioral data and physical condition data of an application object; b, the data are processed to form an environment scene mode; c, the application object sets or automatically generates personal preferences; d, weighting computing is carried out on the environment scene mode and the personal preferences, and a personalized scene mode and a scene trigger rule are developed; e, real-time data acquired by the data acquisition unit match the trigger rule of the application object; and f, if a trigger condition is met, the scene mode corresponding to the trigger rule is issued and applied to the life environment of the application object. According to the invention, the system has the advantages of being unattended, rich data source, being objective and true, scientific and compact data processing and control method and the like.
Owner:深圳广田智能科技有限公司

Pavement performance prediction and maintenance method and device based on maintenance history correction

The embodiment of the invention discloses a pavement performance prediction and maintenance method and device based on maintenance history correction. The method is based on road conditions, traffic volume data and maintenance history data of a route over the years, and adopts a modeling idea of "model grouping, year-by-year accumulation and elimination of maintenance history influences, data update dynamic correction" to finally obtain a pavement performance decay model that is based on untreated actual road condition data over the years and considers traffic volume cumulative axle-load influences. The model established by the method not only can be used to accurately predict the natural attenuation index of road conditions of a pavement in future years, but also can be used to assist incalculating preventive maintenance benefits and judging the best maintenance time in the aspects of pavement maintenance planning and decision-making, and meanwhile, when performing multi-year planning, more scientific and reasonable maintenance schemes and plans can be formulated based on accurately predicted road condition attenuation values, and the reasonable forecast of pavement maintenance funds can be achieved.
Owner:CHINA HIGHWAY ENG CONSULTING GRP CO LTD +2

Bus departure control method

Disclosed is a bus departure control method. The method comprises: by use of a satellite positioning device, acquiring time Tij when a bus arrives at a station, according to a time table, calculating a delay time table delta Tij=|tij-Tij|, and establishing a set R of delta Tij, wherein Tij indicates the time when an i-th bus arrives at an j-th station, tij indicates the time, prescribed in a bus driving time table, when the i-th bus arrives at the j-th station, and delta Tij indicates a delay time difference when the i-th bus is at the j-th station; counting and analyzing the data set R, and according to the congestion degree of a road, performing period division on bus departure time; establishing a departure interval model, and redividing departure intervals in time periods; and substituting the time information Tij acquired in step one into the model for calculating the departure intervals so as to make a departure plan.
Owner:ZHEJIANG UNIV OF TECH

Auxiliary pricing method and device which are implemented through computer and based on data analysis

InactiveCN107292661AQuick and easy to formulateMake reasonableMarketingData scienceData analysis
The embodiment of the present invention provides a computer-implemented method for assisting price determination based on data analysis. The method includes: providing each expected price of the sales target to a preset price and sales model, wherein the price and sales model is based on the characteristics that affect sales. The information is established and trained by using the sales target historical influence sales feature information; the expected sales volume corresponding to each expected price is determined according to the output of the price sales model, and an expected price and its corresponding expected sales volume form an expected price sales volume pair; Determine the sales target price according to the expected price and sales volume matching and the actual sales volume demand. The expected sales volume corresponding to the expected price is determined by using the price and sales model trained based on the historical sales feature information of the sales target, which is conducive to formulating a more reasonable price for the sales target in a timely and low-cost manner. In addition, the embodiments of the present invention also provide a medium, an apparatus, and a computing device.
Owner:ALIBABA (CHINA) CO LTD

Electric power equipment inspection method based on mobile terminal

The invention discloses an electric power equipment inspection method based on a mobile terminal. A mobile inspection terminal, an inspection intermediate server and a middle control machine room are adopted to construct an intelligent, mobile and safe electric power equipment inspection system, which is capable of checking and monitoring electric power equipment from long distances in a strategic, safe and controllable manner. Moreover, real-time interaction between the middle control machine room and the mobile terminal is realized, thereby ensuring that inspection strategies are made more reasonably and carried out more effectively.
Owner:SICHUAN KINGSCHEME INFORMATION TECH

Highway intelligent maintenance system

The invention relates to an intelligent road maintenance system. The system comprises a maintenance data center, a technical condition management subsystem, a maintenance engineering management subsystem and a big data analysis and decision support subsystem; the maintenance data center comprises a road network data storage module used for storing road network basic data. The maintenance data storage module is used for storing maintenance basic data, maintenance disease data and maintenance data, a technical data storage module which is used for storing road technical condition data, and an organization data storage module which is used for storing organization data; wherein the road network basic data, the maintenance basic data and the organization data are associated with one another; the road network basic data, maintenance basic data, highway technical condition data and organization data are stored and managed by the unified maintenance data center and are associated with one another, so an information island phenomenon can be avoided, each unit participating in highway maintenance realizes information sharing, and data redundancy is reduced.
Owner:广东华路交通科技有限公司

Bi-RRT unmanned ship multi-ship navigation method and equipment considering corner constraint

ActiveCN112987737ASolve the problem of strong randomness in path optimizationQuick planningPosition/course control in two dimensionsSimulationRoute planning
The invention belongs to the field of unmanned ships, and discloses a Bi-RRT unmanned ship multi-ship navigation method and equipment considering corner constraints. According to the method, through global task allocation, based on allocated task planning, unmanned ship routes connected with nodes are considered, collision judgment and coordinated collision avoidance are performed on route nodes, and whether the unmanned ships arrive at corresponding target points or not is judged through node release until all the unmanned ships arrive at the target points. Large scenes, multiple tasks and flexibility of the unmanned ship are considered in the whole process, so that high efficiency of route planning should be ensured, and in the Bi-RRT route planning algorithm considering the corner constraints, corner constraints at the tail ends of expansion nodes and connection nodes are considered to adapt to motion constraints of the unmanned ship; the expansion with heuristic enables the expansion of the tree to be more greedy and clearer, and the efficiency is higher.
Owner:HUAZHONG UNIV OF SCI & TECH

Vertical-shaft wind turbine rotary spindle vibration restraining method which is high in wind energy capturing efficiency

InactiveCN103277253ADetection real-time calculationDetection components, real-time measurement and calculation of the vibration intensity of the main shaftWind motor controlRenewable energy generationPower flowMechanical stability
The invention discloses a vertical-shaft wind turbine rotary spindle vibration restraining method which is high in wind energy capturing efficiency. The method includes: acquiring vertical inclination angle of a rotary spindle in real time; calculating vibration intensity of two orthogonal directions in a horizontal section of the rotary spindle and optimal rotation speed of a wind turbine generator under a maximum tracking target; determining expected rotation speed; allowing a rotating speed inner ring controller to drive the rotation speed to reach the expected rotation speed fast; and starting a reverse electric braking function of the rotating speed inner ring controller and a electromagnetic braking mechanism of the rotary spindle when vibration intensity of the spindle exceeds a preset safety regulating threshold; wherein fast rotating speed regulating of the rotating speed inner ring controller is achieved by motor acceleration through directly cutting of part of phase winding excitations or motor deceleration through releasing current chopping limits. By the method, current vibration intensity of the spindle can be calculated in real time, spindle vibration can be restrained, and the wind turbine generator is enabled to acquire the highest wind energy capturing efficiency as far as possible while mechanical stability is maintained.
Owner:NANTONG UNIVERSITY

Load cluster control method and system based on support vector machine

The invention provides a load cluster control method and system based on a support vector machine. The load cluster control method and the load cluster control system comprise the following steps: collecting user power consumption data and preprocessing the user power consumption data to obtain a load data sample; Training data set and test data set are established according to the load data sample; The support vector machine classifier is constructed by training data set and testing data set, and the support vector machine classifier is perfected after the support vector machine is perfected.Input the real-time load data to the improved SVM classifier, and output the classification results of the real-time load data. The invention adopts the support vector machine algorithm to classify the user loads in the electric power system, and on the basis of the classification, the load cluster centralized control is carried out, so that the load classification has scientific theoretical support and technical support, and the load classified into the same class is guaranteed to have high consistency.
Owner:NANJING CHSCOM ELECTRICAL TECH CO LTD +4

Electric-heating network coordinated operation optimization method based on multi-searcher algorithm

The invention discloses an electricity-searcher algorithm based on multiple searchers. The heat supply network coordinated operation optimization method comprises the steps that regional electricity-is established; And the heat supply network coordinately operates the mathematical model, and a multi-searcher optimization algorithm is used for managing the thermoelectric energy system in the region, so that the goal of minimum power generation cost of the whole region system is achieved. The multi-searcher optimization algorithm is designed based on the advantages and disadvantages of all heuristic algorithms, and has the advantages of being higher in convergence speed, higher in global convergence and the like compared with a classical moth fire fighting algorithm, a teaching and learningoptimization algorithm and the like.
Owner:SOUTH CHINA UNIV OF TECH

Commercial building hourly personnel density prediction method

The invention discloses a commercial building hourly personnel density prediction method. Three commercial building types are determined, and the actual hourly personnel density is obtained through investigation. And establishing a personnel density model by superposition of normal distribution functions. Wherein the number of the personnel density models of the shopping center and the supermarketis two, and the number of the personnel density models of the supermarket is three; and the model of the specialized store is a superposition of two or three normal distribution functions. Wherein the established model comprises parameters a1, a2, a3, b1, b2, b3, c1, c2 and c3, and replacing the parameters with urban factor traffic accessibility Tr and population level Po so as to simplify the model. Finally, a1, b1 and c1 are found to have strong correlation with Tr or Po and can be represented by a linear function. A2, b2 and c2 are not strongly correlated with Tr and Po, and are expressedby an average value; and a3 and a1, b3 and b1, and c3 and c1 are respectively in a quadratic function relationship. The commercial building hourly personnel density prediction method provided by the invention can be used for city scale and monomer level energy consumption simulation and safe evacuation system design.
Owner:SOUTHEAST UNIV

Intelligent electric power mobile operation system

The invention discloses an intelligent electric power mobile operation system. The system utilizes a mobile patrol terminal, a patrol intermediate server and a central control machine room to build an intelligent, mobile and safe electrical equipment patrol system, and can realize remote, strategic, safe and controllable inspection and monitoring of electrical equipment.
Owner:SICHUAN KINGSCHEME INFORMATION TECH

A method to distinguish between changes in emissions in different regions and changes in meteorological conditions on PM 2.5 Method of Concentration Effect

The invention discloses a method for distinguishing influences of emission changes and meteorological condition changes of different areas on PM2.5 concentration. The method comprises the following steps that WRF simulation meteorological data within preset time are collected; on the basis of the WRF simulated meteorological data and the partition mark information, calculating the air mass footprint through an LPDM model, and establishing a transmission matrix; calculating an inverse matrix of the transmission matrix, and calculating the regional emission according to the observation data within the predetermined time; verifying the accuracy of the regional emission by adopting inverted PM2.5 emission and simulated PM2.5 emission; calculating PM2.5 concentration matrixes at different moments by adopting the verified regional emission matrix and transmission matrix, and calculating the influence quantity of emission change on concentration change and the influence quantity of transmission change on concentration change. According to the method, the influences of emission changes and meteorological condition changes of different areas on PM2.5 concentration changes can be rapidly distinguished, and compared with other methods, the method is small in calculated amount, short in consumed time and good in simulation effect.
Owner:NANJING UNIV

Electromechanical coordination inhibiting method and device for chattering of rotary spindle of vertical axis wind machine

InactiveCN102644549ADetection real-time calculationDetection components, real-time measurement and calculation of the vibration intensity of the main shaftWind motor controlRenewable energy generationWinding machineMechanical stability
The invention discloses an electromechanical coordination inhibiting method and an electromechanical coordination inhibiting device for chattering of a rotary spindle of a vertical axis wind machine. The method comprises the following steps of: obtaining a vertical inclined angle of the rotary spindle in real time; calculating chattering intensity of the rotary spindle in two orthorhombic directions in a horizontal section and the best rotary speed of a wind driven generator under a largest-power tracking target; according to the chattering intensity of the rotary spindle, analyzing an expected rotating speed of the wind driven generator; driving the rotating speed of the wind driven generator to rapidly achieve the expected rotating speed by a rotating speed inner ring controller; when the chattering intensity of the rotary spindle exceeds the pre-set biggest safe regulation and controlling threshold value, starting an inverse electric braking function of the rotating speed inner ring controller and an electromagnetic braking mechanism of the rotary spindle, so as to rapidly reduce the rotating speed of the wind driven generator. According to the invention, the current chatteringintensity of the spindle can be measured in real time and the chattering of the spindle can be inhibited, so that the mechanical stability of the wind machine is kept and the highest wind energy capturing efficiency can be obtained as far as possible.
Owner:NANTONG UNIVERSITY

Vertical-shaft wind turbine rotary spindle vibration restraining method which is high in wind energy capturing efficiency

InactiveCN103277253BDetection real-time calculationReal-time measurement of tremor intensityWind motor controlMachines/enginesMechanical stabilityControl theory
The invention discloses a vertical-shaft wind turbine rotary spindle vibration restraining method which is high in wind energy capturing efficiency. The method includes: acquiring vertical inclination angle of a rotary spindle in real time; calculating vibration intensity of two orthogonal directions in a horizontal section of the rotary spindle and optimal rotation speed of a wind turbine generator under a maximum tracking target; determining expected rotation speed; allowing a rotating speed inner ring controller to drive the rotation speed to reach the expected rotation speed fast; and starting a reverse electric braking function of the rotating speed inner ring controller and a electromagnetic braking mechanism of the rotary spindle when vibration intensity of the spindle exceeds a preset safety regulating threshold; wherein fast rotating speed regulating of the rotating speed inner ring controller is achieved by motor acceleration through directly cutting of part of phase winding excitations or motor deceleration through releasing current chopping limits. By the method, current vibration intensity of the spindle can be calculated in real time, spindle vibration can be restrained, and the wind turbine generator is enabled to acquire the highest wind energy capturing efficiency as far as possible while mechanical stability is maintained.
Owner:NANTONG UNIVERSITY

First order placing system and method based on chain store

The invention discloses a first order placing system and method based on a chain store, and the system comprises an instruction receiving module, an information input module, a database module, an order generation module, an order export module, and a confirmation module, and the instruction receiving module, the information input module, and the order generation module are all connected with thedatabase module. The instruction receiving module is used for receiving a first order establishing instruction. The information input module is used for inputting store addresses, business district information and population information. According to the invention, through collecting big data as an analysis basis to formulate a store first order template, the system automatically collects administrative division data of villages and towns in national provincial and municipal districts and seasons of 657 cities in 23 provinces in China. The consumption level of the region, the business districtto which the geographic position of the store belongs, the permanent population and the floating population are used as data analysis bases, and a scientific and reasonable store first-time commoditypurchasing list based on data is automatically formulated in combination with enterprise products, so that the commodity sales volume of the franchisee is increased.
Owner:可爱可亲(广州)高新科技有限公司

Electromechanical coordination inhibiting method for chattering of rotary spindle of vertical axis wind machine

InactiveCN102644549BDetection real-time calculationReal-time measurement of tremor intensityWind motor controlRenewable energy generationWinding machineMechanical stability
The invention discloses an electromechanical coordination inhibiting method and an electromechanical coordination inhibiting device for chattering of a rotary spindle of a vertical axis wind machine. The method comprises the following steps of: obtaining a vertical inclined angle of the rotary spindle in real time; calculating chattering intensity of the rotary spindle in two orthorhombic directions in a horizontal section and the best rotary speed of a wind driven generator under a largest-power tracking target; according to the chattering intensity of the rotary spindle, analyzing an expected rotating speed of the wind driven generator; driving the rotating speed of the wind driven generator to rapidly achieve the expected rotating speed by a rotating speed inner ring controller; when the chattering intensity of the rotary spindle exceeds the pre-set biggest safe regulation and controlling threshold value, starting an inverse electric braking function of the rotating speed inner ring controller and an electromagnetic braking mechanism of the rotary spindle, so as to rapidly reduce the rotating speed of the wind driven generator. According to the invention, the current chatteringintensity of the spindle can be measured in real time and the chattering of the spindle can be inhibited, so that the mechanical stability of the wind machine is kept and the highest wind energy capturing efficiency can be obtained as far as possible.
Owner:NANTONG UNIVERSITY

Electromechanical coordination suppression device for vertical axis wind turbine rotating spindle vibration

InactiveCN103291548ADetection real-time calculationDetection components, real-time measurement and calculation of the vibration intensity of the main shaftWind motor controlRenewable energy generationWind drivenTransducer
The invention discloses an electromechanical coordination suppression device for vertical axis wind turbine rotating spindle vibration. The electromechanical coordination suppression device comprises a two-shaft tilt angle sensor, a revolution speed sensor, an air velocity transducer, a wind driven generator, an electromagnetic rear axes brake mechanism, a revolving speed inner ring controller and an electromechanical coordination outer ring controller. The electromechanical coordination suppression device can measure and calculate current vibration intensity of a spindle in real time, suppresses vibration of the spindle, and enables a wind turbine to maintain mechanical stabilization and meanwhile obtain the highest wind energy capture efficiency as far as possible.
Owner:NANTONG UNIVERSITY

Flexible laser welding method and device used for skin-stringer

The invention provides a flexible laser welding method and device used for a skin-stringer. The method comprises the steps that an off-line programming system obtains a welding seam track, a laser welding system obtains gap data of the welding seam track, and a pre-welding scanning system establishes a function relation between the gap width and the welding seam length; a central control system judges whether assembling conditions meet laser welding requirements or not; when the assembling conditions meet the laser welding requirements, a process planning system obtains related feature information and obtains a spot welding process scheme according to the related feature information and a model parameter database; and the laser welding system adopts pulse lasers to carry out spot welding in a welding area according to the spot welding process scheme, and a molten pool monitoring system observes and records the whole spot welding process in real time. According to the method and device, systematic step-by-step welding is carried out on space complex curve welding seams with the curvatures changing constantly at different positions, and the purposes of reducing the sensitivity of process parameters, avoiding the defects of incomplete penetration, welding leakage and the like, improving the stability of the welding process and improving the welding seam quality are achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

A Pavement Performance Prediction and Maintenance Method and Device Based on Maintenance History Correction

The embodiment of the invention discloses a pavement performance prediction and maintenance method and device based on maintenance history correction. The method is based on road conditions, traffic volume data and maintenance history data of a route over the years, and adopts a modeling idea of "model grouping, year-by-year accumulation and elimination of maintenance history influences, data update dynamic correction" to finally obtain a pavement performance decay model that is based on untreated actual road condition data over the years and considers traffic volume cumulative axle-load influences. The model established by the method not only can be used to accurately predict the natural attenuation index of road conditions of a pavement in future years, but also can be used to assist incalculating preventive maintenance benefits and judging the best maintenance time in the aspects of pavement maintenance planning and decision-making, and meanwhile, when performing multi-year planning, more scientific and reasonable maintenance schemes and plans can be formulated based on accurately predicted road condition attenuation values, and the reasonable forecast of pavement maintenance funds can be achieved.
Owner:CHINA HIGHWAY ENG CONSULTING GRP CO LTD +2

Electromechanical coordinating and restraining method of rotary spindle chattering by utilization of two-shaft tilt sensor

InactiveCN103291549BDetection real-time calculationReal-time measurement of tremor intensityWind motor controlMachines/enginesWind drivenLocking mechanism
The invention discloses an electromechanical coordinating and restraining method of rotary spindle chattering by the utilization of a two-shaft tilt sensor. The method includes the following steps: acquiring the perpendicular tilt angle of a rotary spindle in real time, calculating chattering intensity in the two orthogonal directions in the horizontal cross section of the rotary spindle, and the optimal rotating speed of a wind driven generator tracking a target at the maximum power, making analysis to determine the expected rotating speed of the wind driven generator, driving the rotating speed of the wind driven generator to reach the expected rotating speed rapidly by a rotating speed inner ring controller, when the chattering intensity of the spindle exceeds a preset maximum safety control threshold value, actuating the electric reverse braking function of the rotating speed inner ring controller and an electromagnetic brake locking mechanism of the rotating spindle, and acquiring the perpendicular tilt deflection angle values a<x> and a<y> through the two-shaft tilt sensor installed on a static component at the top end of the rotating spindle. With the method, the current chattering intensity of the spindle can be calculated in real time and the spindle chattering can be restrained, so that while a wind turbine is kept stable mechanically, the highest wind power capture efficiency is acquired as far as possible.
Owner:JIANGSU UNIV

A flexible laser welding method and device for skin-stringer

The invention provides a flexible laser welding method and device for skin-stringer, comprising: an off-line programming system obtains the seam track, the laser welding system obtains the gap data of the weld track, and the pre-weld scanning system establishes the gap width and welding seam The functional relationship of seam length; the central control system judges whether the assembly conditions meet the laser welding requirements; when the assembly conditions meet the laser welding requirements, the process planning system obtains relevant feature information, and obtains the spot welding process plan according to the relevant feature information and the model parameter database; According to the spot welding process plan, the laser welding system uses pulsed laser to perform spot welding in the welding area, and the molten pool monitoring system observes and records the whole spot welding process in real time. The present invention performs systematic and step-by-step welding on space-complex curve welds whose curvatures at different positions change from time to time, so as to reduce the sensitivity of process parameters, avoid defects such as incomplete penetration and weld leakage, improve the stability of the welding process, and improve the quality of welds the goal of.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Electromechanical coordination suppression device for vertical axis wind turbine rotating spindle vibration

InactiveCN103291548BDetection real-time calculationReal-time measurement of tremor intensityWind motor controlMachines/enginesWind drivenTransducer
The invention discloses an electromechanical coordination suppression device for vertical axis wind turbine rotating spindle vibration. The electromechanical coordination suppression device comprises a two-shaft tilt angle sensor, a revolution speed sensor, an air velocity transducer, a wind driven generator, an electromagnetic rear axes brake mechanism, a revolving speed inner ring controller and an electromechanical coordination outer ring controller. The electromechanical coordination suppression device can measure and calculate current vibration intensity of a spindle in real time, suppresses vibration of the spindle, and enables a wind turbine to maintain mechanical stabilization and meanwhile obtain the highest wind energy capture efficiency as far as possible.
Owner:NANTONG UNIVERSITY

Electromechanical coordinating and restraining method of rotary spindle chattering by utilization of two-shaft tilt sensor

InactiveCN103291549ADetection real-time calculationDetection components, real-time measurement and calculation of the vibration intensity of the main shaftWind motor controlRenewable energy generationWind drivenLocking mechanism
The invention discloses an electromechanical coordinating and restraining method of rotary spindle chattering by the utilization of a two-shaft tilt sensor. The method includes the following steps: acquiring the perpendicular tilt angle of a rotary spindle in real time, calculating chattering intensity in the two orthogonal directions in the horizontal cross section of the rotary spindle, and the optimal rotating speed of a wind driven generator tracking a target at the maximum power, making analysis to determine the expected rotating speed of the wind driven generator, driving the rotating speed of the wind driven generator to reach the expected rotating speed rapidly by a rotating speed inner ring controller, when the chattering intensity of the spindle exceeds a preset maximum safety control threshold value, actuating the electric reverse braking function of the rotating speed inner ring controller and an electromagnetic brake locking mechanism of the rotating spindle, and acquiring the perpendicular tilt deflection angle values a<x> and a<y> through the two-shaft tilt sensor installed on a static component at the top end of the rotating spindle. With the method, the current chattering intensity of the spindle can be calculated in real time and the spindle chattering can be restrained, so that while a wind turbine is kept stable mechanically, the highest wind power capture efficiency is acquired as far as possible.
Owner:JIANGSU UNIV

A multi-objective optimization method for charging and discharging of large-scale electric vehicles based on sine-cosine algorithm

The invention discloses a large-scale electric automobile charge and discharge multi-target optimization method based on a sine cosine algorithm (SCA). According to the method, large-scale electric automobiles are grouped and classified by using a similar grouping method, and formulation of an electric automobile group charge and discharge strategy is performed by using the SCA so as to realize the objectives of power grid side peak shaving and minimum user side charge expense. Besides, the adopted sine cosine algorithm is a new intelligent algorithm and has the characteristics of faster rate of convergence and higher global convergence in comparison with the classic genetic algorithm (GA) and particle swarm optimization (PSO) and the like so that formulation of the electric automobile charge and discharge plan is enabled to be more reasonable.
Owner:YUXI POWER SUPPLY BUREAU OF YUNNAN POWER GRID
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