198results about How to "Feasible" patented technology

The invention discloses an optimization operation method based on energy consumption analysis for power plant and a system thereof. The method includes the following steps: a data acquisition subsystem acquires real-time operational data and carries out pre-processing on the specific real-time data; a data processing subsystem analyzes and calculates the real-time data, so as to obtain the real-time energy consumption index under the current working condition, the real-time energy consumption index under the current working condition is compared with the energy consumption index under the corresponding working condition stored in an optimal working condition database, comparison result is output to a data display subsystem, and meanwhile if the real-time energy consumption index obtained by calculation is superior to the optimal energy consumption index under the corresponding working condition, the current real-time working condition is stored to be corresponding optimal working condition; and the data display subsystem displays the real-time energy consumption index under the current working condition and the comparison result of optimal energy consumption indexes under the corresponding working conditions. The method of the invention can more accurately analyze various energy consumption differences of power plant and the reason of exceeding of energy consumption difference, and a reliable optimization scheme is provided.

The invention discloses a method for preparing a waterborne polyurethane emulsion with high solid content. An existing preparation method has a limited promotion effect on the solid content of the waterborne polyurethane emulsion. Waterborne polyurethane emulsion particles with high solid content have core-shell structures with different hydrophilic properties. The preparation method of the waterborne polyurethane emulsion particles comprises the steps of dehydrating polymer polyol; enabling the dehydrated polymer polyol to react with diisocyanate, a hydrophilic chain extender and a micro-molecular chain extender to obtain a viscous pre-polymer A; uniformly mixing the pre-polymer A and a pre-polymer B which does not contain hydrophilic monomers, or contains fewer hydrophilic monomers, and is synthesized according to the same step; neutralizing by adding a neutralizer; dispersing into deionized water under high-speed stirring; performing chain extension with a subsequent chain extender to obtain the waterborne polyurethane emulsion with the high solid content. The waterborne polyurethane emulsion with high solid content has the advantages of thin hydration layer, low viscosity, good stability and high solid content; the preparation method of the waterborne polyurethane emulsion with high solid content has the advantages of unlimited formulas and raw materials, wide adaptability, simple and feasible process and strong controllability.

The invention discloses a path planning system and method for overtaking a vehicle on an adjacent lane in a single-lane automatic drive mode. The system comprises a camera, a millimeter-wave radar unit, a central decision-making module and an actuating mechanism. The millimeter-wave radar unit is used for detecting whether there is a vehicle or not in the lane adjacent to the own vehicle; the camera is used for obtaining lane line information of the own vehicle, when the millimeter-wave radar unit detects that there is a vehicle ahead in the adjacent lane, the lane line information of the own vehicle is combined with the information detected by the millimeter-wave radar unit, and position information of the vehicle ahead in the adjacent lane is recognized, and the camera is connected with the millimeter-wave radar unit; the central decision-making module plans a running path according to the lane line information of the own vehicle and the position information of the vehicle ahead in the adjacent lane, and the central decision-making module is connected with the camera and the millimeter-wave radar unit; and the actuating mechanism conducts automatic driving according to the running path given by the central decision-making module and is connected with the central decision-making module. By the adoption of the system and method, traffic safety is guaranteed, and comfort is improved.

The invention discloses an AHP (Analytic Hierarchy Process) based assessment method of the teaching quality of fuzzy comprehensive remote education, comprising the following steps of: determining index weight by applying AHP; and determining a total assessment result by applying a fuzzy comprehensive assessment method. A method for determining the index weight by applying the AHP comprises the following steps of: establishing a hierarchical structure of a researched problem; judging a matrix by determining paired comparison; carrying out hierarchical single sequencing; carrying out hierarchical total sequencing, and calculating the combinational weight of all elements of a same hierarchy; and carrying out consistency check. The assessment method of the teaching quality of quantitative remote education carries out the data processing by establishing a fuzzy comprehensive assessment model based on the AHP, introducing a theory into the assessment of the teaching quality of the remote education, determining the weight of assessment factors by using the AHP and then establishing a mathematical model by using a fuzzy comprehensive assessment method, thereby transforming the assessment problem into the multiplication problem of the fuzzy matrix for processing.

The invention discloses a preparing method of bicyclohexane monomer LCD in the monomer LCD preparing technical domain, which utilizes Grignard reaction to prepare the product with structural formula as graph I and synthetic feature route as graph II, wherein R1 and R2 is C2-C10; R3 is C1-C9 straight-chain alkyl; X is Cl or Br or I; A is C2H4 or cyclohexane; n is 0 or 1.

The invention relates to a projected capacitive touch screen, which can greatly shorten scanning time and improve signal-to-noise ratio, and has accurate touch and sensitive response. The projected capacitive touch screen comprises a conductive layer covered on a substrate, the conductive layer comprises electrode strips, and each electrode strip is connected with more than two conducting wires which are connected with an external circuit. As a preferable mode, two ends of each electrode strip are connected with a conducting wire respectively. The substrate can be made of known various materials, preferably, the substrate is a membrane. By the projected capacitive touch screen, the problem that the face resistance value is overlarge when an ITO conductive layer uses the membrane as the substrate at present is well solved, the problems that the touch of the projected capacitive touch screen of an ITO membrane structure is inaccurate and the response is not sensitive are effectively solved, the dependency on raw materials is reduced, the material selection range of the projected capacitive touch screen of the ITO membrane structure is enlarged, and the projected capacitive touch screen of the membrane structure is feasible to be produced on a large scale.

The invention discloses a service management method used for a gigabit passive optical network. Step S102, the network administrator configures the service attribute for the service supported by an optical network unit/optical network terminal; Step S104, an optical line terminal receives the service attribute so as to acquire the service type supported by the optical network unit/optical network terminal when the optical line terminal is connected to the optical network unit/optical network terminal; and Step S106, if the optical line terminal supports the service, then the creating is executed and the correlation between various management entities are established. In a GPON system, a simple and practical service management method for managing all the ONU/ONT services through the OMCC channel and the standard MIB object at the OLT side, simplifying the complicated GPON service and uniformly managing various service types of various ONUs/ONTs is given.

A method for positioning a portable communication device, which adopts a server device to position the portable communication device, comprises the following steps: firstly, the server device receives the identification data and the signal intensity of a base station, which is detected by the portable communication device; the server device determines the regional characteristics of the region, in which the portable communication device is currently positioned, based on the identification data and the signal intensity of the base station; and then, the server device calculates the positioning coordinate, at which the portable communication device is positioned, and regulates the positioning coordinate based on the regional characteristics, thereby greatly improving the positioning accuracy.

The invention relates to a fan key part fault diagnosis method, which comprises the steps of obtaining an operation monitoring record and a fault record of an SCADA system, and determining an experiment data set; preprocessing the experimental data set, and encoding the preprocessed fault data and normal data; carrying out stratified sampling on the preprocessed experimental data set, calculatingthe weight of each observation characteristic parameter in the SCADA system in fault multi-classification by utilizing a ReliefF algorithm, screening out the observation characteristic parameters withrelatively high relevancy, and updating the experimental data set; dividing the updated experimental data set into a training set and a test set, inputting the training set into an XGBoost model fortraining, determining an optimal target function of XGBoost, and optimizing the XGBoost model; and inputting the test set data into the optimized XGBoost model, and performing fault multi-classification test on the test set data. The method can be adjusted according to actual faults in recorded data of the SCADA system, and is more feasible, simple and high in fault recognition accuracy.

The embodiment of the invention provides a train working diagram real-time adjustment method and system. The method comprises the following steps that firstly, time reporting information of a target train is acquired, and a train working diagram is updated, wherein the time reporting information comprises a time reporting moment and a time reporting position; then a current train number plan of the target train is adjusted when the time reporting position is not the destination of the current train number plan; and finally, when the time reporting position of the target train is the destination of the operation plan of the target train, collision detection and repair between the target train and an adjacent train are carried out, and a novel train working diagram is generated. According tothe method, automatic adjustment of the train working diagram can be realized, and it is ensured that the obtained novel train working diagram is feasible; and moreover, adjusting is carried out within a certain time range through the method, and only the current time reporting train is adjusted at a time, so that the automatic adjustment of the train working diagram has real-time performance.

The invention provides an island micro power grid probabilistic load flow analytic calculation method. The calculation method is provided for calculating an operation state of an island micro power grid including intermittent DG such as photovoltaic electricity, wind power and the like; loads of the island micro power grid fluctuates randomly. A conventional island micro power grid steady state load flow analysis method is mainly based on load flow calculation, a load flow result of only a single operation point can be obtained, research on probabilistic load flow calculation is only based ona simulation method which requires computational statistics on a large amount of samples so as to obtain a probabilistic load flow result, online analysis can be adversely affected due to long computation time, and correlation of DG contribution in the micro power grid is mostly not taken into consideration. To overcome the above limitations, the invention provides the island micro power grid probabilistic load flow analytic calculation method via which rapid island micro power grid probabilistic load flow calculation can be realized, requirements for engineering accuracy can be met, and the method disclosed in the invention can be used for on-line analytical application.

This invention is a kind of soft certification false proof method that based on graphic code primary and secondary seal family information association mechanism. The primary and secondary seal family of the certification embeds the knowledge-type privacy character information of certification holder. There is some logic constrained relation between the primary and secondary seal information, and can stop the counterfeit and fraud. The non-simulation capability of this certification is decided by the logic result of key and knowledge character information of certification holder, and doesn't relate to the technique and equipment. So the technical regulation can be an open system. This invention also replaces the high-cost physical equipment process complexity method with the low-cost logic calculus complexity method. And replaces the human sense identifying and other technical method with the electronic information processing method.

The invention discloses a method and a system for issuing a digital menu. The method comprises steps of collecting the information and coding the information. The system comprises an information collecting unit and an information coding unit. The digital menu is integrated to a two-dimension code mark which is high in information density and easy to spread, a user can conveniently update the menu which can be completed by an intelligent cooking device in accordance with requirements, the function of the intelligent cooking device is expanded, the user feels convenient, the system can use technologies such as the prior device, relative coding and transmission communication, the cost is low, the practicability is achieved, the two-dimension code mark which is generated is high in information density and easy to spread, the intelligent cooking device can obtain the digital menu by reading the two-dimension code mark and the function is expanded.

The invention discloses a parameter recognition method of automobile collision wave form features, which relates to the technical field of automobile collision safety. The method comprises the following steps of: collecting automobile body accelerating speed information data from a system for collecting automobile collision test data and obtaining an accelerating speed A (t); and recognizing wavepeak points and wave hollow points in the accelerating speed A (t). According to the wave features of the collision accelerating speed wave form, the invention provides a method for recognizing wave peaks and wave hollows in a collision accelerating wave form, which is a technical means for analyzing wave form features in the collision process. An analysis method is accordingly provided for the optimization design of the automobile body structure. The application value lies in that the collision process is refined and decomposed into a plurality of data arrays consisting of wave peaks and wave hollows, and corresponding time and accelerating speed parameters are calculated. The method is established on the basis of a fixed calculation procedure and has engineering repeatability and feasibility for being realized on a computer. The work efficiency is increased, and the labour intensity is reduced.

The invention provides a dialogue intention recognition method and device, equipment and a storage medium. The method comprises the following steps: acquiring dialogue information, and performing wordsegmentation on the dialogue information to obtain word segmentation information; performing feature extraction on the word segmentation information to obtain first feature information; inputting thefirst feature information into at least two primary models for training and prediction to obtain a plurality of primary prediction values; splicing the primary prediction values to obtain second feature information; and inputting the second feature information into a secondary model for training and prediction to obtain a secondary prediction value and a recognition result. Through fusion of at least two primary models and one secondary model, classification and recognition of the dialogue intention are performed on the feature information extracted according to the dialogue information, so that a chatting robot can make accurate and intelligent responses feasibly according to the recognized dialogue intention, thereby lowering the labor cost.

The invention discloses a prediction control method and system for a magnetic levitation system. By historical data of the magnetic levitation ball system and through adopting a system identificationmethod, an autoregressive model which takes a Gaussian radial basis function network as a coefficient and has an exogenous variable is established to describe nonlinear dynamic characteristics betweenan input voltage of an electromagnetic winding and a position of a steel ball. An ARX model coefficient is fit by an RBF neural network, so that an RBF-ARX model can well depict the nonlinear dynamiccharacteristics of the magnetic levitation ball system. Then, on the basis of a principle of a predictive functional control algorithm, a structure of a control input is determined so as to completerolling optimization and error correction. The predictive functional control algorithm has higher tracking capacity and higher robustness than PID control, and has a smaller online calculation amountand a higher control speed than conventional model prediction control; and when a system set value is a step signal, the control method can implement unbiased tracking.

The invention discloses a method for utilizing television frequency band white space spectrums in the Internet of vehicles, and utilizes the television frequency band white space spectrums to provide spectrum resource allocation of an Internet data transmission service for vehicles. The method includes resource modeling based on a spectrum geography database and resource allocation with maximized handling capacity, resource modeling based on the spectrum geography database specifically represents variation characteristics of resources in the form of space-frequency resource blocks, guaranteeing feasibility of resource allocation, resource allocation with maximized throughput allocates a subchannel to vehicles in a usable range of the subchannel according to a fixed time period through time domain and frequency domain division, and the objective of maximizing network throughput is guaranteed at the same time.