224results about How to "Clear method" patented technology

The invention discloses a clothes making method based on three-dimensional to two-dimensional clothes pattern seamless mapping. The clothes making method based on the three-dimensional to two-dimensional clothes pattern seamless mapping comprises the following steps: constructing a three-dimensional clothes model, and establishing a mapping relationship between the three-dimensional clothes model and a two-dimensional sample plate mesh model; designing a clothes pattern on the surface of the three-dimensional clothes model; calculating a pattern on the seam allowance of a two-dimensional sample plate; and carrying out digital printing, cutting and sewing of the two-dimensional sample plate to make real clothes. According to the clothes making method based on the three-dimensional to two-dimensional clothes pattern seamless mapping, the problems that registration and grid matching are complex, and seamless splitting can not be realized since the pattern continuity of the clothes is damaged in a conventional clothes making process at present are solved, the pattern of the clothes is more beautiful and intact when people wear the clothes, cloth is saved, and time and cost for registration and grid matching in the clothes making process are respectively shortened and reduced. The clothes making method based on the three-dimensional to two-dimensional clothes pattern seamless mapping has the advantages of specific algorithm, friendly interface and robust result.

The invention discloses a 'four-step' large-scale method for locating and detecting deep hydrothermal ore deposits or ore bodies. Deep ore deposits or ore bodies are directly located and detected through four stages, namely, ore deposit forming rule research, fine analysis of ore forming structure, altered lithofacies mapping and structural geochemical fine exploration, and geophysical deep detection and concealed ore location prediction. The method is based on a large-scale (1:200-1:50000) progressive deep-buried ore deposit or ore body location and detection technology integrating 'ore deposit model prediction, structure prediction, altered lithofacies mapping and structural geochemical fine exploration, and geophysical exploration'. A systematic deep ore exploration technology is realized.

The invention relates to a method for controlling a flexible satellite based on a feature model, which is characterized in that the time dimension, the sampling time and the parameters M and m are determined according to the kinetic equation of the flexible satellite; the coefficient range of the feature model is determined according to each obtained variable; the parameters of the feature model are identified by utilizing a gradient method; and a control law is designed according to the coefficients of the feature model obtained through the identification, and the attitude angle of the flexible satellite is controlled through the kinetic equation that the control law is fed back to the flexible satellite. The method has the advantages that the time dimension and the sampling period of the flexible satellite are introduced; the change rate of the flexible satellite is depicted; the bottleneck problem of the feature modeling of the flexible satellite is solved; the expression of the parameter range of the feature model of the flexible satellite is provided; the parameter property of the feature model is qualitatively researched; the boundary of the parameters of the feature model is relative to the sampling period, the modeling error, the system order and the change rate of the system from the given parameter range; and the theoretical foundation of the self-adaptive control based on the feature model is laid for the flexible satellite. The method is suitable for the feature model of the attitude kinetics of an aircraft so as to lay the foundation for the aircraft based on the attitude control of the feature model.

The invention discloses a natural protected area system integration and boundary demarcation method. The method comprises the following steps: (1) determining a protected area integration and mergingprinciple; (2) for a region to be integrated and merged, constructing an ecological suitability, cultivated land suitability and construction suitability evaluation index system, and performing indexstandardization processing and weight assignment; calculating a suitability comprehensive index of each type of land, constructing a conflict pattern spot suitability land type discrimination matrix for qualitative evaluation, and drawing a suitability land type spatial layout map; (3) selecting evaluation reference elements for protected area boundary optimization; (4) evaluating resource background characteristics and carrying out primary aggregation optimization; (5) extracting an existing element and resource base aggregation result according to the protected area heritage resource characteristics to carry out intersection optimization; and (6) linking and coordinating the result with a construction management condition, and delimiting a new protected area boundary. According to the method, the problem of conflict patches of the natural reserve can be solved, and a scientific, reasonable, clear and definite natural reserve boundary is formed.

The invention provides an air-conditioning load reduction method based on temperature adjustment means and SOC parameter modeling. The method comprises the following steps that S1) an air conditioningload-room temperature basic model is established; S2) an air conditioner is virtualized into an energy storage component, a concept of SOC parameter is introduced, and a charge parameter energy-storage model of the air conditioning component based on the SOC parameter is established; S3) an air-conditioning load reduction model based on the temperature adjustment means and SOC parameter modelingis established; and S4) when there is capacity lack in the power grid in summer, an air conditioning load which is expected to be reduced is input to the air-conditioning load reduction model, and indoor temperature upper/lower limit, load reduction lasting time and advanced cooling time prescribed by air-conditioning load reduction control are determined, and the maximal value that can be reducedof the air conditioning load is calculated. Thus, the power grid load can be reduced without influencing the comfortableness of users.

The invention provides a scheduling method and system for a flexible bus system. The method comprises: step one, road network data are initialized and stations and stops are generated by clustering; step two, a traffic flow network is constructed based on station distribution, a traffic flow is calculated, one bus is opened if the traffic flow is larger than a set traffic flow threshold, and otherwise, buses wait and do not go anywhere; step three, when the bus is opened, the bus uses an initial driving route as a current driving route and departs by starting with a starting point; step four,the bus is driven along the current driving route, determines whether an insertion constraint condition is met when receiving a riding request from a passenger, receives the riding request and uses anew driving route as the current driving route if the insertion constraint condition is met, and otherwise, refuses the riding request; and step five, when the bus is driven to the destination of thecurrent driving route, the step two is performed again. Therefore, the driving route can be adjusted flexibly based on a real-time riding request; the scheduling cost is minimized while the service quality is ensured; and the urban traffic efficiency is improved.

A clothes drying machine, particularly a safe clothes drying machine with a large space structure is disclosed. It includes a clothes drying chamber, a warm air buffer chamber, a fan chamber for heat supply and a controller, wherein the clothes drying chamber, warm air buffer chamber and fan chamber for heat supply are independent parts assembled in turn from top down, and the warm air buffer chamber disposed under the clothes drying chamber is a basin-shaped casing with an opening upwards and an air inlet attached to the fan chamber for heat supply is disposed at the bottom of the basin-shaped casing is provided with a fixing device for clothes drying chamber. The clothes drying chamber according to the present invention is consisted of six elements, that is to say, a barrel-shaped cloth cover, a top bracket for supporting the barrel-shaped cloth cover, a basin-shaped casing making up warm wind buffer chamber, support pieces pinned to the basin-shaped casing and circumference edges of the top bracket, a fan chamber for heat supply as well as bottom support legs. Its advantages exist in large space, safety for use, simple structure and convenience to disassemble, transport and install. It will only take a little time for the consumers to finish installation.

The invention discloses a method used for determining the evapotranspiration of crops on site, belonging to the field of agricultural science and technology. The method comprises the steps as follows: data on soil water potential and soil volumetric moisture content of more than 5 layers of soil layers with different depths is measured on site in real time; wherein, at least one layer is below the root layer of the crops; a plurality of data pairs on unsaturated hydraulic conductivity-volume water content of all soil layers above the zero flux plane below the root layer are obtained when the zero flux plane exists below the root layer of the crops, thus obtaining the mathematical relationship of unsaturated hydraulic conductivity-volume water content of all soil layers, therefore, the water flux of all soil layers below the root layer can be obtained, thus determining the evapotranspiration by a water balance method. The method of the invention can be used for determining the evapotranspiration of the crops on site, destroys no soils, is convenient and precise, and can work out the evapotranspiration of the crops at the time interval without observing the zero flux.

The present invention discloses a vegetation loss direction identification method based on a multi-remote-sensing index trend. The method comprises: calculating a temporal similarity of vegetation indexes between each year and a beginning year by using a JM distance to generate a track of temporal similarity of vegetation indexes; extracting a potential vegetation loss region according to a variation of the temporal similarity of the vegetation index, so as to define a region where the vegetation index is significantly decreased and an impervious surface index is significantly increased as a vegetation loss region; and on this basis, finally determining different vegetation loss directions such as urbanization, desertification and wetland formation according to a water body index and a bare soil index trend feature. In the method, the vegetation change region is determined by using the variation of the temporal similarity, and further, the vegetation loss direction is determined according to multiple remote sensing indexes, without depending on manual intervention for threshold setting, so that the method has the characteristics of high robustness, high classification precision, high automation and storing anti-interference ability, and so on.

The invention discloses a transfer function-based method for determining the failure diagnosticability of a momentum wheel. The method comprises the following steps of: (1) on the basis of a momentum wheel model, adding failure influence of each functional module, and establishing a failure model of the momentum wheel; (2) obtaining a transfer function from each failure to output according to the failure model of the momentum wheel; (3) obtaining detectable conditions of various failures by judging whether the transfer functions from the failures to the output are 0 or not according to the transfer functions, obtaining separable conditions of various failures by judging whether the transfer functions corresponding to different failures are linearly dependent or not, and substituting relevant parameters of the momentum wheel to the detectable conditions and the separable conditions to obtain failure diagnosable analytic results of the momentum wheel; and (4) calculating the failure diagnosable analytic results by a diagnosable measurement calculation method to obtain the detectable degree and separable degree of a momentum wheel failure mode and the failure detectable degree and separable degree of components.

The invention provides a microwave electric field intensity measurement method and device. The method comprises the steps: setting an atom in a Rydberg state at a position where a local microwave electric field and a to-be-measured signal microwave electric field can be sensed, and then receiving a detection signal of a set frequency band or frequency after the atom is irradiated by detection light through a detector, and further determining the phase of the signal microwave electric field according to the detection signal. The measurement method is based on the quantum superheterodyne principle, the principle is clear and implementation and application are easy; Rydberg atoms are used as a microwave sensitive medium, so that high-sensitivity measurement of the microwave electric field intensity is achieved. The method not only can significantly improve the measurement sensitivity of the microwave electric field intensity, but also achieves the purposes of breaking through existing indexes and improving the measurement precision of the microwave electric field by one order of magnitude, thereby providing a new technical basis for the precision measurement research of the microwaveelectric field intensity.

The invention provides an optimal scheme selection method for a satellite control system on the basis of reconfigurable constraints of failures. The method comprises the following steps: (1), providing a minimum feasible configuration set CS according to the observability and the controllability of the satellite control system; (2), performing a reconfigurable design on the satellite control system in response to the minimum feasible configuration set CS, and providing a feasible alternative design-scheme set DS on the basis of reconfigurable index constraints; (3), comprehensively considering the resource constraints of the system, and selecting a design scheme with optimal comprehensive properties from the alternative design-scheme set DS. According to the optimal scheme selection method disclosed by the invention, the reconstitution capability and the resource constraints of the satellite control system in the designing stage can be taken into account, and matched sensors and the type and the number of actuators are provided, so that the optimization of the comprehensive properties of the system under the condition of the reconfigurable constraints is satisfied. The optimal scheme selection method disclosed by the invention is simple and definite, and is suitable for the type selection and the configuration designs of sensors and actuators for the satellite control system in the development stage.

The invention discloses a magnetizing inrush current discrimination method based on equivalent excitation impedance frequency domain character of a transformer, which discriminates magnetizing inrush current by the equivalent excitation impedance frequency domain character of the transformer. The discrimination method comprises the steps of: indicating the equivalent excitation impedance of the transformer as Z (n) after N point sampling discretization in one power frequency cycle, wherein the equivalent excitation impedance of the transformer changes along with time; carrying out frequency domain analysis on Z (n) and using the ratio of DC component amplitude absolute Z (0) to fundamental wave component absolute Z (1) and fixed-ratio threshold fixed value Kzd to carry out magnetizing inrush current discrimination. The discrimination method discriminates magnetizing inrush current and short circuit fault current according to the character of the excitation impedance of the transformer in the frequency domain when the magnetizing inrush current occurs to the transformer, which is simple and clear, does not need to consider system parameters and transformer parameters, can be automatically adapted to various types of transformers and the various connecting manners of the transformers , as well as the changes of system operation manner and system structure, reliably lock when inrush current occurs to the only transformer, and can act quickly when fault occurs to a region in which transformer fault and magnetizing inrush current exit simultaneously.

The invention provides a fault distance measuring method for hybrid transmission lines based on unknown parameters. A hybrid transmission line includes a section of overhead line and a section of cable line. The fault distance (x) is obtained by eliminating the influence of the positive sequence impedance per unit length of the overhead line, the negative sequence impedance per unit length of theoverhead line, the positive sequence impedance per unit length of the cable line and the negative sequence impedance per unit length of the cable line in the hybrid transmission line. The fault distance measuring method has the advantages as follows: (1) the principle is reliable, and the precision of distance measurement is high; (2) the method is clear, the equation is solved without pseudo root, and a specific fault distance analysis formula is given; and (3) the value of practical application on an engineering site is high.

The invention provides a conditioning method used before sludge dewatering. The method includes the following implementation steps that 1, the temperature and pH of sludge are regulated to be within the proper range of a bio-enzyme; 2, the bio-enzyme is added into the sludge and mixed evenly, and a reaction is carried out for a period of time; 3, a certain amount of CTAB is added into the sludge, stirred and mixed, a reaction is carried out for a period of time, and then the mixture enters a dewatering unit. According to the method, the EPS component degrading and bound water releasing effects of the bio-enzyme and the hydrophobicity-hydrophilicity and charge neutrality of CTAB are combined, the advantages of the bio-enzyme and the advantages of CTAB are fully exerted, synergic effects are achieved, and the moisture content of sludge cakes is reduced to be 70% or lower after the sludge is dewatered. Besides, in the method, a conditioner is low in cost and wide in application range, all conditioning steps are clear and definite, operation is convenient, reduction is obvious, and the follow-up disposal cost of the sludge can be reduced.

The invention relates to a method for displaying multi-item alarm information at a single position of an operation screen. The method for displaying multi-alarm information in a single position of the operation screen comprises the following steps: using HMI system software in GE Company to organize the order of the multi-item alarm information of each device in real time according to the importance; expressing all the chains of the alarm information in a program; and manufacturing the abnormal chain information at a screen position, and selecting the display mode and content according to need. The method for displaying the multi-item alarm information at the single position of the operation screen has the advantages of wide information contents and complete scheme, ensures that an operator directly observes and knows the information contents through the frequently used screen and knows a dispelling method, saves complicated calculation process of searching the program, shortens the accident handling time, improves the equipment operation rate, and guarantees the device safety and smooth operation of the production; and the method is simple, the program is concise, the display screen is clear, and the operating method is easy to grasp.

The invention discloses a hot-rolling working roll temperature distribution obtaining method. The method comprises the steps that the arrangement form of a hot-rolling working roll cooling injection system is constructed; a working roll heat exchange area is divided according to the arrangement form of the working roll cooling injection system; rolling process parameters and thermophysical parameters, including working roll parameters, rolled piece parameters, medium parameters and heat exchange coefficients, are acquired; axial-radial section grid nodes of the working roll are divided, and coordinate system parameters and a temperature calculation model of each node are established; a temperature calculation model is utilized, the heat exchange area where the section of the working roll is located is judged firstly every time calculation is conducted from the initial calculation position to the final calculation position, and then the temperature distribution of the section of the working roll at the position is calculated through a corresponding working roll temperature model. The method has the beneficial effects that the method is clear and definite, assumption and simplification conditions are few, the temperature field change of the working roll in the hot rolling process can be accurately forecasted, the calculation precision is higher than that of an analytical method,and the calculation speed is higher than that of a finite element method.