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75 results about "Multivariable optimization" patented technology

Methods for cross-market brand advertising, content metric analysis, and placement recommendations

In another embodiment, a computer-implemented method for processing and optimizing selection of placement, of advertising content related to a brand, in websites of a network is provided. The computer-implemented method is processed by a server in response to communication from a user that is connected to the server over the Internet. The method includes receiving from the user, attributes of an advertisement to be placed on a brand-centric website that relates to the brand, and also receiving selections for types of websites to place the advertisement. The types of websites do not have to be brand-centric websites, but should include content related to the brand. Then, the method includes obtaining metrics from selected websites and historical performance for similar advertisements when placed on the selected websites. The method includes processing the obtained metrics and historical performance to preliminarily define an advertising model. The advertising model defines a score correlated to effectiveness of the advertisement. Optimizing the advertising model is then performed to define a recommended advertising model, where the recommended advertising model defines optimal selections of websites for placement of the advertisement. The optimizing uses multivariable optimization to correlate the obtained metrics to a desired optimization criteria.
Owner:R2 SOLUTIONS

Optimization design method of radial-flow-type hydraulic turbine

The invention discloses an optimization design method of a radial-flow-type hydraulic turbine. In the design method, a unitary thermal optimization design, a three-dimensional modeling method of a through-flow part and a complete machine optimization platform are utilized, wherein the optimization platform comprises four modules, namely nozzle blade and impeller blade parameterization, a coevolution genetic algorithm, a self-adaption approximation model, and autocall of CFD (computational fluid dynamics). Through the parameterization, characteristic variables describing impeller blades, nozzle blade patterns and installation angle variation are extracted. The optimization target is to enhance the overall efficiency and expansion ratio of the hydraulic turbine simultaneously under a complete machine environment. The optimization platform can be used for reducing the calculated amount and accelerating the convergence by virtue of the following measures: the approximation model is built and updated by a dynamic sampling strategy, and enough prediction accuracy is obtained by virtue of less CFD calculation; and a complicated multivariable optimization problem is decomposed into a plurality of relatively independent and interactive subproblems by virtue of the coevolution genetic algorithm, so that not only can the characteristics of the original problem be maintained, but also the calculated amount is reduced effectively.
Owner:开山(西安)透平机械有限公司

PSO (Particle Swarm Optimization)-based wind energy capturing method of VSVF (Variable-speed Variable-frequency) wind power system

The invention discloses a PSO (Particle Swarm Optimization)-based maximum wind energy capturing method of a VSVF (Variable-speed Variable-frequency) wind power system. Aiming at the VSVF wind power system which is formed by a variable-frequency transformer and multiple parallel-running permanent magnetic synchronous wind power generation units, cooperative optimization can be carried out on the rotating speed of the variable-frequency transformer and the pitch angles of all permanent magnetic synchronous wind power generation units through PSO, so that the capturing of maximum wind energy of the VSVF wind power system is realized. Compared with a univariate optimization method aiming at the rotating speed of the variable-frequency transformer, a PSO-based multivariate optimization method provided by the invention is capable of obtaining more wind energy.
Owner:GUANGDONG UNIV OF TECH

Methods for cross-market brand advertising, content metric analysis, and placement recommendations

InactiveUS9898753B2High receptionMarketingWeb siteMultivariable optimization
In another embodiment, a computer-implemented method for processing and optimizing selection of placement, of advertising content related to a brand, in websites of a network is provided. The computer-implemented method is processed by a server in response to communication from a user that is connected to the server over the Internet. The method includes receiving from the user, attributes of an advertisement to be placed on a brand-centric website that relates to the brand, and also receiving selections for types of websites to place the advertisement. The types of websites do not have to be brand-centric websites, but should include content related to the brand. Then, the method includes obtaining metrics from selected websites and historical performance for similar advertisements when placed on the selected websites. The method includes processing the obtained metrics and historical performance to preliminarily define an advertising model. The advertising model defines a score correlated to effectiveness of the advertisement. Optimizing the advertising model is then performed to define a recommended advertising model, where the recommended advertising model defines optimal selections of websites for placement of the advertisement. The optimizing uses multivariable optimization to correlate the obtained metrics to a desired optimization criteria.
Owner:R2 SOLUTIONS

Cold-rolling mill multivariate strip shape control method based on constrained optimization algorithm

Disclosed is a cold-rolling mill multivariate strip shape control method based on a constrained optimization algorithm. The method includes the steps that a multivariate optimization model used for solving an optimal regulating quantity of each strip shape regulating mechanism is designed; the multivariate optimization model is converted into a standard form of an optimization problem; an initial searching point for solving the multivariate optimization problem of the standard form is designed; a searching mechanism in the direction of each coordinate axis is designed; searching is performed in the direction of each coordinate axis, and a candidate value of an optimal point is calculated; a searching termination criterion is designed; and a cold-rolling mill multivariate strip shape control system model is established. By means of the cold-rolling mill multivariate strip shape control method based on the constrained optimization algorithm, the multivariate strip shape optimization model can be converted into a series of univariate optimization problems, and the method has the advantages of being high in calculation efficiency, saving the storage space of a controller and being capable of achieving concurrent computation and the like, and is quite suitable for development of a cold-rolling strip shape control system with the multiple strip shape regulating mechanisms.
Owner:启东晟涵医疗科技有限公司

Cold-rolled steel strip shape control system for actively preventing saturation phenomenon of executer

The invention relates to a cold-rolled steel strip shape control system for actively preventing saturation phenomenon of an executer. The cold-rolled steel strip shape control system comprises a strip shape deviation computing module, a strip shape deviation signal filtering processing module, a steel strip form multi-variable optimization controller, a compensation regulation module and a rolling mill transmission device, wherein one output end of the rolling mill transmission device is connected with the strip shape deviation signal filtering processing module through a real-time position state acquiring module of the rolling mill transmission device and a current strip shape regulation and control capability online evaluation computing module; the other output end of the rolling mill transmission device is connected with the compensation regulation module; the third output end of the rolling mill transmission device is connected with an online strip shape measuring module through a rolling mill outlet strip shape; and the output end of the online strip shape measuring module is connected with the strip shape deviation computing module. By adopting the cold-rolled steel strip shape control system, the problem of poor strip shape control effect is solved, the saturation phenomenon occurring probability of rolling mill transmission equipment is lowered to the maximum extent, the service life of a strip shape control device is prolonged, and the prolonging of the service life of the rolling mill equipment and control over the production cost are facilitated.
Owner:WISDRI ENG & RES INC LTD

Cold-rolled steel strip shape control method for actively preventing saturation phenomenon of executer

The invention discloses a cold-rolled steel strip shape control method for actively preventing saturation phenomenon of an executer. The method comprises the following specific steps of: acquiring real-time position state data of a rolling mill transmission device on line, computing the strip shape regulating and controlling capabilities of a rolling mill in a current control period in combination with the strip shape regulating and controlling power coefficients of each transmission device, and laying a basis for effective filtering of uncontrollable components in strip shape deviations; andquickly filtering a strip shape deviation signal according to the strip shape regulating and controlling capabilities in the current control period, effectively separating controllable parts from uncontrollable parts in the strip shape deviation signal, designing a multi-variable optimization controller by using the controllable parts, computing the control regulating amount of the rolling mill transmission device, actively avoiding the saturation phenomenon of the executer, reducing wear of mechanical components of a control device, and realizing high-accuracy strip shape control over a cold-rolled steel strip. According to the method, the service life of a strip shape control device is prolonged, the problem of poor strip shape control effect is solved, and a portable means is provided for enhancing the cold-rolled strip shape control quality.
Owner:WISDRI ENG & RES INC LTD

A method for maximizing throughput of energy collecting type wireless relay network based on deep multi-network learning

A method for maximizing the throughput of an energy collecting type relay network based on deep multi-network learning comprises the following steps: 1) maximizing the throughput in the centralized wireless relay network through regenerative energy optimization management, wherein, the optimization problem is described as a multivariable optimization problem; 2) decomposing the problem P1 into twoparts of optimization: power sub-optimization and time slot sub-optimization, i. e., optimizing variables pi and taui by deep multi-network learning to obtain the optimal ri. A method for maximizingsystem efficiency with maximum throughput in a centralized radio relay network by combining time scheduling and power allocation is provided.
Owner:ZHEJIANG UNIV OF TECH

Closed-loop control method of cold-rolled sheet shape based on lag compensation

The invention discloses a closed-loop control method of cold-rolled sheet shape based on lag compensation. The closed-loop control method comprises the specific steps of manufacturing a structure of a sheet shape closed-loop control system based on a multivariate optimization model; designing the multivariate optimization model of the sheet shape closed-loop control system; manufacturing PID control models of all sheet shape regulating mechanisms; manufacturing PID+Smith predictor control models of all the sheet shape regulating mechanisms; determining process models of control circuits of all the sheet shape regulating mechanisms, and setting corresponding PID parameters; and establishing control modes of the sheet shape closed-loop control system. The closed-loop control method has the advantages that the influence of measurement lag to the stability of the sheet shape closed-loop control system during sheet shape control process can be removed through switching the sheet shape closed-loop control modes according to the rolling speed change, the structure is simple, the calculation efficiency is high, the control real time performance is relatively high, the stability of the sheet shape closed-loop control system is not influenced by measurement lag, and relatively high homeostatic control accuracy is achieved.
Owner:YANSHAN UNIV

Pseudo-satellite layout method based on genetic algorithm

The invention discloses a pseudo-satellite layout method based on a genetic algorithm, and belongs to the technical field of navigation and positioning. By utilizing multivariable optimization advantages of a genetic algorithm, the pseudo-satellite layout method based on the genetic algorithm considering the whole pseudo-satellite coverage area is proposed, and the positioning precision and availability in the pseudo-satellite coverage area can be greatly improved. The pseudo-satellite layout method comprises the following steps of: (1) establishing a layout model according to a layout environment, and taking an average position precision factor in a layout area as a target function; (2) optimizing a target function value by using the genetic algorithm; (3) and outputting final pseudo-satellite layout coordinates and a target function value optimized by using the genetic algorithm.
Owner:SOUTHEAST UNIV
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