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37 results about "Strategy development" patented technology

DG-included distribution network multi-fault multi-target combined optimization repair recovery strategy obtaining method

The invention discloses a DG-included distribution network multi-fault multi-target combined optimization repair recovery strategy obtaining method, relating to the field of a power system. The distributed generation included distribution network multi-fault rapid repair and power supply recovery is a strategy with high properties of stage, hierarchy, and sequence. At present, most of researches of the distribution network fault repair recovery are carried out in a separate manner of single fault, single stage, and signal level, and fewer researches are carried on the multi-fault, staged, layered, and multi-target combined repair recovery optimization strategy development. The feed line in the DG included distribution network is equivalent to virtual DG, the controllable load alliance is carried out, and a network topology structure is updated; the multi-fault repair and recovery is subjected to staged and layered optimization model construction; and at the end, the combined optimization model is solved to obtain the optimal rapid repair recovery strategy. The strategy obtaining method has high practical value, shortens the power off time, reduces the power off loss, and improves the electric energy quality.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Quantitative investment strategy generating method and apparatus

The invention discloses a quantitative investment strategy generating method and apparatus which relate to the financial investment technology field. The main purpose of the invention aims to solve the problem that in the prior art, users without coding ability or with limited strategy development acknowledge could not utilize an existing quantitative investment strategy platform. The main technical schemes of the invention are as follows: obtaining a plurality of information set data; according to the plurality of information set data, determining the reference models of a plurality of quantitative investment strategies corresponding to the plurality of information set data and a plurality of evaluation results corresponding to the reference models of the plurality of quantitative investment strategies; determining whether the plurality of information set data, the reference models of the plurality of quantitative investment strategies, the plurality of evaluation results and the quantitative investment strategies generated from a preset optimization algorithm are the quantitative investment strategies that meet the users' requirements or not; and if the answer is yes, then, outputting the quantitative investment strategies that meet the users' requirements to the users. The invention is used mainly for the generation of quantitative investment strategies.
Owner:北京极派客科技有限公司

Method for preparing coal flotation agent by using animal and plant grease and waste oil

The invention discloses a method for preparing a coal flotation agent by using animal and plant grease and waste oil, and belongs to the field of the utilization of renewable energy sources-solar energy and waste grease, the preparation of the coal flotation agent and the application thereof. The method is characterized by using the environment-friendly solar energy to realize the decarboxylation or cracking reaction of the animal and plant grease or the waste oil as the raw material under the photocatalysis action of the sunlight, UV-light or visible light through controlling the types of photocatalytic materials, so as to achieve the purpose of preparing the coal flotation agent with different ratios among hydrocarbon, fatty acid and ester materials. The method uses the clean renewable energy sources-solar energy, and recovers the waste oil, so that the high cost problem caused by using petroleum base diesel or kerosene as the flotation agent is solved under the condition of petroleum energy-lacked, energy-saved and consumption-reduced economic strategy development; the method has the advantages of no poison, no harm, low cost, economy, environmental friendliness and feasibility, reduces the coal flotation cost, overcomes the defects in the prior art, and can be widely applied to the field of the energy sustainable development.
Owner:TAIYUAN UNIV OF TECH

Cylinder deactivation gas circuit control method of diesel engine

The invention belongs to the technical field of diesel engine electronic control strategy development and particularly provides a cylinder deactivation gas circuit control method of a diesel engine. The cylinder deactivation gas circuit control method of the diesel engine comprises the steps that the current work condition state information of an engine is collected; according to the current work condition state information of the engine, whether the engine is in partial load operation state at present or not is judged; if the engine is in the partial load operation state at present, a cylinder deactivation permission instruction is sent; according to the current work condition state information of the engine, the number of cylinders needing deactivation is calculated, and a cylinder deactivation execution instruction is sent; according to the received cylinder deactivation permission instruction, the cylinder deactivation execution instruction and the number of the cylinders needing deactivation, a corresponding number of air cylinders are sequentially closed. The cylinder deactivation gas circuit control method of the diesel engine can save oil for the whole vehicle and guarantees that the torque is kept balanced before and after cylinder deactivation.
Owner:FAW JIEFANG AUTOMOTIVE CO

Service data security processing method and device, computer equipment and storage medium

The invention provides a service data security processing method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a data query request sent by a service system, with the query request comprising an identifier of the service system; acquiring a security policy corresponding to the service system according to the identifier of the service system; according to the security policy corresponding to the service system and the function of each preset security component, determining each target security component corresponding to the service system anda calling rule of each target security component; according to the calling rule of each target security component, calling each target security component in sequence to process the data inquired by the service system; and returning the processed data to the service system. According to the method, security components and the calling sequence required by data processing are determined according tothe security strategies corresponding to different service systems, corresponding security processing can be carried out on the data inquired by the different service systems, the security strategy development process is short, and the labor cost is low.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Predicting method of flexible machining surface error of large disc mining cutter plane cutting

The invention discloses a predicting method of a flexible machining surface error of large disc mining cutter plane cutting, and relates to the field of prediction of the machining surface error. Thepredicting method comprises the following steps of building a single-step analysis standard finite element model, extracting an analysis file, building a main circulation analysis step to obtain a node position and an initial value of a flexible main circulation cutting force set, initializing a flexible main circulation finite element analysis model file to determine instantaneous cutting force of a subsidiary circulation cutting position, updating a subsidiary circulation finite element analysis model file, conducting finite element analysis, conducting flexible machining error calculation,judging whether subsidiary circulation of the flexible machining error calculation is converged or not, judging whether the cutting process is finished or not and conducting surface machining error point cloud processing to obtain a surface machining error cloud graph. By means of the method, after a large disc milling cutter is machined, the whole surface flexible machining error form can be simulated, the plane milling machining error forming mechanism of the large disc milling cutter is studied more comprehensively, and a prerequisite is provided for design of the machining process and control strategy development of the machining process.
Owner:SHANGHAI JIAO TONG UNIV

Modular quantization system, execution method thereof and electronic equipment

The invention provides a modular quantization system and an execution method thereof, and electronic equipment, the quantization system comprises: a functional strategy module used for obtaining strategy components, wherein the functional strategy module comprises a dynamic strategy module and a visualization flow module, and the strategy components comprise a preset dynamic strategy component anda visualization flow component; a risk monitoring module which is used for acquiring preset risk monitoring elements; a back test module which is used for communicating the strategy components to form a strategy model according to the preset risk monitoring elements, and executing the strategy model to carry out back test, wherein the strategy model can feed back a back test result related to therisk monitoring element. By implementing visual modularization on conventional operation logic and implementing autonomous development on non-conventional operation logic, zero-coding or low-coding of strategy development by strategy developers or/and users is realized by a modular tool, and a strategy model construction program is simplified, so that simplification, visualization and popularization of strategy model construction are realized.
Owner:深圳市博思恒业信息技术有限公司

Energy control terminal strategy file security reinforcement method and system

The invention provides an energy control terminal strategy file security reinforcement method and system. The method comprises the following steps: reading a CPU identification code of an energy control terminal for installing a strategy file and a pre-generated strategy file registration code; decrypting the strategy file registration code by using the CPU identification code to obtain a strategy authentication ID; and determining whether the energy control terminal is authorized to operate the strategy file or not by verifying the strategy authentication ID and a strategy file authentication ID which is pre-generated and stored on the terminal, wherein the strategy file registration code is generated based on the identity authentication ID corresponding to the strategy file and the CPU identification code of the strategy terminal. The copy operation problem of the strategy file in the energy control terminal equipment under the condition that the strategy file is not authorized is solved, the demand for strategy safety management and strategy development maximization decoupling is met, the risk of security authentication information leakage is reduced, and the probability that an authorization program stops service due to incapability of real-time online or authentication communication failure is reduced.
Owner:CHINA ELECTRIC POWER RES INST

Local power generation and power supply experiment system comprising electric vehicle

The invention discloses a local power generation and power supply experiment system comprising an electric vehicle. The system comprises a wind power generation unit, a photovoltaic generating grid-connected unit energy storage unit, an electric vehicle charge and discharge unit, a tertiary load, a load control apparatus, an artificial load, a PV simulator, a frequency converter, an AC grid-connected cabinet, an access cabinet, a central controller, interconnection switches, a cable and a bus. According to the invention, through the state of each interconnection switch, different operation modes and configuration modes of multiple local power generation and power supply experiment systems can be realized, correlation networking experiments can be carried out through the different operation modes, and the operation modes of the multiple local power generation and power supply experiment systems mainly comprise the following types: a local power generation and power supply experiment system single grid-connected mode, a grid-connected and island switching transient mode, a local power generation and power supply experiment system all grid-connected mode and a local power generation and power supply experiment system island mode. Important improvements are made from such aspects as diversity of types of distributed power sources and energy storage devices, flexibility of operation modes and networking modes, comprehensiveness of control strategy development, comprehensiveness of scientific experiment research and the like.
Owner:SHENYANG INST OF ENG

Performance management system of electric transmission and transformation devices

The invention discloses a performance management system of electric transmission and transformation devices. The performance management system comprises a device management center, a data collecting module, a strategy development module, a strategy management module, a strategy assessment module and a performance analysis module. The device management center, the data collecting module, the strategy development module, the strategy management module, the strategy assessment module and the performance analysis module are connected. Meanwhile, the performance analysis module is connected with the strategy development module and the device management center. According to the performance management system, power grid production persons, scientific research persons and management persons can conveniently carry out online performance management on the electric transmission and transformation devices according to conditions of the electric transmission and transformation devices, in this way, accurate maintenance strategies can be easily developed for the electric transmission and transformation devices, decision making supports can be easily provided, and required performance management results of the electric transmission and transformation devices can be inquired according to inquiring conditions.
Owner:YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST +1

Quantitative investment strategy design and investment portfolio generation method based on machine learning

PendingCN114723569AAccurate and comprehensive investment referenceAccurate and comprehensive investment recommendationFinanceMachine learningRisk profilingOperations research
The invention discloses a quantitative investment strategy design and investment portfolio generation method based on machine learning, and relates to the technical field of intelligent finance. The method comprises the following steps: constructing an investment foundation framework model; obtaining basic strategy development information and importing the basic strategy development information into the investment basic framework model to obtain an initial quantitative investment strategy model; obtaining and counting user strategy design information in the investment network platform; analyzing the historical quantitative investment strategy information and the corresponding investment result; constructing a target quantitative investment strategy model; importing the credit information of the investor into a preset risk analysis model; importing the investment demand and the investment object risk information into the target quantitative investment strategy model to generate investment strategy design information; and generating investment portfolio information. According to the method, reasonable quantitative investment strategy design is carried out for investors in combination with investment data in multiple aspects, a comprehensive and accurate investment portfolio is generated, and comprehensive investment reference is provided for the investors.
Owner:GUANGDONG UNIV OF TECH

Method for preparing coal flotation agent by using animal and plant grease and waste oil

The invention discloses a method for preparing a coal flotation agent by using animal and plant grease and waste oil, and belongs to the field of the utilization of renewable energy sources-solar energy and waste grease, the preparation of the coal flotation agent and the application thereof. The method is characterized by using the environment-friendly solar energy to realize the decarboxylation or cracking reaction of the animal and plant grease or the waste oil as the raw material under the photocatalysis action of the sunlight, UV-light or visible light through controlling the types of photocatalytic materials, so as to achieve the purpose of preparing the coal flotation agent with different ratios among hydrocarbon, fatty acid and ester materials. The method uses the clean renewable energy sources-solar energy, and recovers the waste oil, so that the high cost problem caused by using petroleum base diesel or kerosene as the flotation agent is solved under the condition of petroleum energy-lacked, energy-saved and consumption-reduced economic strategy development; the method has the advantages of no poison, no harm, low cost, economy, environmental friendliness and feasibility, reduces the coal flotation cost, overcomes the defects in the prior art, and can be widely applied to the field of the energy sustainable development.
Owner:TAIYUAN UNIV OF TECH
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