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149results about How to "Improve enforceability" patented technology

System and method for realizing OTA upgrade of embedded hardware based on block chain

ActiveCN109889589AUpgrade does not affectImprove upgrade reliabilityUser identity/authority verificationData switching networksComputer networkFirmware version
The invention discloses a system and a method for realizing OTA upgrade of embedded hardware based on a block chain. The method comprises the following steps: constructing a P2P network topological structure comprising a plurality of service nodes downloaded by firmware; taking one service node as a first block node, and converting other service nodes in the P2P network into one block node on theblock chain one by one through a block chain consensus verification mechanism; storing the latest firmware software on the service node, and calculating the node content by using a Hash algorithm to obtain a Hash value of the service node; wherein the node content comprises feature information of the service node and firmware software stored on the service node; and the intelligent terminal downloads the corresponding hash value from the service node of the P2P network, carries out firmware version security verification according to the hash value, downloads and stores the verified firmware software, and upgrades the firmware software. The safe and credible P2P network topological structure is established by using the block chain technology, and the OTA upgrading reliability and safety ofthe intelligent terminal are improved.
Owner:IGRS ENG LAB

Plan optimization method used for supply chain of chemical enterprise

The invention provides a plan optimization method used for a supply chain of a chemical enterprise. The plan optimization method belongs to the field of optimization methods, and comprises the steps of: acquiring initial parameters of the supply chain, and storing the initial parameters of the supply chain in a data warehouse; determining anticipated market requirements corresponding to the chemical enterprise through adopting a self-matching requirement forecasting algorithm by combining with sales data of the chemical company over the years, constructing a supply chain plan optimization model, setting a plan optimization objective function and constraint conditions in the supply chain plan optimization model, and calculating to obtain an optimal solution of the plan optimization objective function under the constraint conditions; and setting parameter step lengths, automatically constructing different plan optimization production scheduling schemes, calculating a profit correspondingto each plan scheme, and selecting the plan scheme corresponding to the highest profit for optimizing relevant parameters of the enterprise supply chain. The plan optimization method can provide theplan scheme for economical optimization solution when balancing supply and demand, so as to achieve dynamic adjustment of product structure, improve the precision, performability and working efficiency of the plan, and provide information support for production management.
Owner:ZHEJIANG SUPCON SOFTWARE +1

Multi-process scheme planning method based on combination weighting method

The invention discloses a multi-process scheme planning method based on a combination weighting method. The multi-process scheme planning method comprises the following steps: analyzing various factors influencing the quality of a process scheme, and establishing two layers of evaluating systems; carrying out standardizing treatment on evaluating index data by adopting a subjection function; respectively weighting evaluating indexes by adopting a fuzzy integrated evaluating method and a variation coefficient method based on process knowledge data; in combination with the weighting results of the fuzzy integrated evaluating method and the variation coefficient method, taking minimal sum of weight error squares as a target function, and calculating combination weight by adopting a Lagrangian multiplier method; based on the combination weight, in combination with a gray relative analysis method, according to the design of two layers of evaluating structures, establishing two layers of gray relative analysis models, and selecting an optimal process scheme by correlation degree of candidate process schemes obtained by calculating the models. According to the multi-process scheme planning method disclosed by the invention, the distribution deviation of optimized target weights is reduced, and the performability of the process scheme is improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Intelligent vehicle track changing trajectory planning system and method based on artificial potential field method

The invention discloses an intelligent vehicle track changing trajectory planning system and method based on an artificial potential field method. The method comprises the following steps that a computing unit calculates a repulsion field of a front obstacle vehicle and the maximum transverse safe acceleration of an intelligent vehicle, a decision unit performs macro decision to obtain an action instruction of the intelligent vehicle for straight running or track changing, and sends the action instruction, the repulsion field and the current speed to a path planning module, the path planning module carries out path planning to obtain coordinates of path points and sends the coordinates to a speed planning module and a vehicle control module; the speed planning module carries out speed planning to obtain the maximum safe speed of each path point coordinate, and the vehicle control module controls the intelligent vehicle to run on a planned track according to the planned path point coordinates and the maximum safe speed; and according to the method, an obstacle repulsion field model in the artificial potential field method is used for reference, and the constraint of the maximum transverse safe acceleration and the road curvature is considered, so that the planned path is safer and more reliable.
Owner:JIANGSU UNIV

Bilayer planning method for intelligent scheduling for steelmaking-continuous welding production

The invention provides a bilayer planning method for intelligent scheduling for steelmaking-continuous welding production. The method comprises the following specific steps: describing a problem of solving a production lot plan and a production time plan as a system optimizing problem with a bilayer hierarchical structure by combining with the hierarchy characteristics of steelmaking-continuous welding production scheduling; simultaneously researching two classes of plans in the same model; and carrying out global consideration on two classes of plans while an optimization target is set and an optimization variable is selected. In the built bilayer planning model for the intelligent scheduling for steelmaking-continuous welding production, an upper-layer scheduling is a problem of combining, sorting and distributing cast; and low-layer scheduling is a problem of searching optimized production time on the premise of known cast plan. By utilizing the bilayer planning method, the defect existing in the traditional compilation mode of the steelmaking-continuous welding production plan can be avoided, and the plan enforceability as well as the authenticity and the practicality of a plan optimization result can be improved. A sulphur removal station and an LF (Ladle furance) furnace serve as a buffer link in the whole-factory production scheduling, and the flexibility of the plan is enhanced.
Owner:WISDRI ENG & RES INC LTD

Medical facility data management system based on two-dimensional codes and operation method thereof

The invention discloses a medical facility data management system based on two-dimensional codes, characterized by comprising a two-dimensional code display device used for storing and displaying two-dimensional codes, a two-dimensional code decoding device, a data management work station, and a web server; the two-dimensional code display device is in connection with a medical facility through a usb interface, or is integrated in the medical facility; the data management work station and the two-dimensional code decoding device are in connection with the web server through the Internet; the data management work station uploads medical facility management data to the web server; the two-dimensional code decoding device scans two-dimensional codes on the two-dimensional device to obtain the medical facility data contents, or uses or maintains an registration interface. The two-dimensional codes employed by the system have a small occupation memory capacity, and flexible live code application; the two-dimensional codes can keep unchanged when data changes, thereby reducing later workload. The system is simple and convenient to realize, has the characteristics of higher enforceability and sustained development, and is convenient to manage data information and keep the data information in secret; from the aspect of delicacy management, the system is convenient to make a special management plan for each facility, and is especially suitable for large-scale hospitals with various kinds and a large number of medical facilities.
Owner:THE AFFILIATED DRUM TOWER HOSPITAL MEDICAL SCHOOL OF NANJING UNIV

Intelligent energy consumption service cooperative control system and method

The invention discloses an intelligent energy consumption service cooperative control system and method. The system comprises an energy controller, an edge computing terminal and a cloud service platform. The energy controller captures equipment operation characteristics, identifies equipment operation conditions and elastically sends a control instruction to the equipment; the edge computing terminal configures a user energy system in a self-adaptive manner, identifies user energy consumption behavior characteristics, and generates an equipment operation control strategy in a self-adaptive manner through cooperative interaction with each energy controller in the user energy system; and the cloud service platform customizes a top-layer operation control strategy for different users according to the demand elements, pushes the top-layer operation control strategy to the user side edge computing terminal, and completes user interaction and background maintenance. The problems that a traditional energy monitoring terminal is insufficient in control capacity, a user side self-adaptive control strategy generation capacity is insufficient, and an intelligent energy consumption cloud service platform cannot control energy consumption equipment in real time are solved, and a cloud-side-end system framework is innovatively provided for an intelligent energy consumption system.
Owner:国网山东省电力公司营销服务中心(计量中心) +3

Competition game-based cooperative wind power ramp control system and competition game-based cooperative wind power ramp control method

The invention discloses a competition game-based cooperative wind power ramp control system and a competition game-based cooperative wind power ramp control method. By coordinatively controlling a wind farm cluster, wind farms and wind-driven generators, a central grid control station ensures that the output of the wind farms or the wind farm cluster can operate according to a given output curve or change rule, so that the ramp characteristic of wind power is improved and the connection of wind power with a grid is more friendly; according to the operating state of each wind farm, the central grid control station dynamically divides combined power generation unit substations, assigns subordinate wind farms, and issues a planned output curve to the combined power generation units; according to the actual output conditions of the wind farms and the planned output curve, the combined power generation units work out power adjustment magnitudes of the combined power generation units, and each wind farm controls the substations to compete for the power adjustment, so that respective benefits are maximized; and the wind farms control the substations to adopt different game strategies to compete to obtain total power adjustment magnitude of the combined power generation units, so that respective benefits are maximized.
Owner:SHANDONG UNIV

Unmanned vehicle control method based on over-the-horizon synergetic cognition and unmanned vehicle control system based on over-the-horizon synergetic cognition

ActiveCN107886750AQuality Driving DecisionsDriverless SafetyRoad vehicles traffic controlHorizonControl system
The invention discloses an unmanned vehicle control method based on over-the-horizon synergetic cognition and an unmanned vehicle control system based on over-the-horizon synergetic cognition, and belongs to the field of intelligent traffic. The control system comprises an unmanned vehicle and an unmanned driving network supporting platform. The unmanned vehicle comprises an individual situation cognition system and a driving decision generation system. The unmanned driving network supporting platform comprises a global situation cognition system, a local situation cognition system and a driving decision generation system. The control method applying the control system comprises the steps that firstly the individual situation cognition system forms micro driving situation cognition; then the driving decision generation system receives information and processes the information and then issues the information to the driving decision generation system, and the driving decision generationsystem generates the final driving operation; and finally the unmanned vehicle receives and performs the final driving operation through the driving actuator. Real-time cognition of the traffic environmental situation is performed on the network terminal so that safe, efficient and reliable unmanned driving can be realized and the operability and the effectiveness of the unmanned vehicle controlsservice can be enhanced.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Monthly power generating plan optimization and safety checking method based on load characteristic periods

The invention provides a monthly power generating plan optimization and safety checking method based on load characteristic periods. The method includes the steps of I collecting basic data, II extracting characteristic periods of a load curve, III modeling monthly set combination, IV modeling electric quantity safety checking, V solving the monthly set combination and the safety checking, and VI displaying and outputting the results. In order to solve the problem of high dimension and large scale optimization of monthly plan compiling, a period reduction method based on load curve characteristic extraction is provided. The calculating efficiency is improved under the prerequisite of ensuring calculating precision, and the transaction (plan) execution and safety constraint of a power grid are considered directly from electric quantity perspective, the trend of electric power and electric quantity conversion is not needed, and safety checking of electric power and electric quantity decoupling is realized. The assessment of transmitting demand and capability of a power transmission channel is realized, and integrated modeling and solving of monthly set combination and the electric power and electric quantity safety checking are realized.
Owner:CHINA ELECTRIC POWER RES INST +2

Power grid power transmission margin control method suitable for large-scale wind power access

The invention provides a power grid power transmission margin control method suitable for large-scale wind power access. The method includes the steps that (1), security constraint unit commitment optimal computation is carried out by adopting a mixed integer planning method to obtain starting and stopping states and power output plans of a conventional power generation unit meeting an objective function and constraint conditions; (2), the influence on power transmission margin by multi-period wind power randomness is quantized by adopting a probability power flow method to obtain a power flow probability distribution range of a power grid branch or a power transmission fracture surface; (3), whether the power flow probability distribution range meets the requirement of a confidence interval or not is judged, if not, the step (1) is executed again, unit commitment optimal computation is carried out again, and the power output plans are adjusted. Compared with the prior art, the power grid power transmission margin control method suitable for large-scale wind power access fully considers randomness of wind power, improves the using effect of short-period security constraint dispatching plans in a wind power access area and enhances performability of the short-period plans.
Owner:STATE GRID CORP OF CHINA +1

Method for optimizing bogie procedure in advanced repair of motor train unit and planning and scheduling method and system

The invention discloses a method for optimizing a bogie procedure in an advanced repair task of a motor train unit and an advanced repair planning and scheduling method and system for the motor train unit. The advanced repair planning and scheduling method for the motor train unit includes the steps of receiving a scheduling time period and an advanced repair task in the time period, determining space overhaul capacity of a motor train with the advanced repair task, determining total time and work load in a unit time in the bogie procedure in advanced repair programs corresponding to vehicle types in the advanced repair task, determining the time when the motor train unit enters a warehouse in the advanced repair task, building a mixed integer programming model of the advanced repair program of the motor train set on the basis of the scheduling time period, the advanced repair task, the total time and the work load in a unit time in the bogie procedure and the time when the motor train unit enters the warehouse, and calculating a feasible solution of an output model. The plan of the advanced repair of the motor train unit can be efficiently made, and existing overhaul spaces and equipment can be made use of to the largest extent by means of the advanced repair task of the motor train unit.
Owner:上海杰之能软件科技有限公司

Semanteme service combination method based on dynamic planning

The invention provides a semanteme service combination method based on dynamic planning. The semanteme service combination method based on the dynamic planning comprises firstly, decomposing a manufacturing service process model through a workflow engine, extracting requirements of each active node, and then obtaining all services which satisfy the active node through a service find matching process, and at last, selecting an appropriate candidate service from the services to generate a service combined scheme according to a certain strategy, achieving mapping a specific semanteme onto a task, and using a manufacturing service process which is described in a workflow model to translate a generating process of the semanteme service combined scheme into a dynamic evolution multistage decision process by combining characteristics of a networked manufacturing mode, using a data semanteme relationship between services as restraint, using comprehensive quality of the combined scheme as an optimization target, and using a dynamic planning method to generate a combined scheme which is globally optimum. The semanteme service combination method based on the dynamic planning has the advantages of enabling confirmation of a globally optimum solution to be easy, saving computing amount, being beneficial for providing abundant combined scheme results for a user, and improving performability of the combined scheme and automation degree of a combining process.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Crude oil dispatching and production scheduling method and system

The invention provides a crude oil dispatching and production scheduling method and a crude oil dispatching and production scheduling system. The crude oil dispatching and production scheduling method comprises the steps of acquiring crude oil blending ratio parameters and crude oil dispatching and production scheduling parameters; establishing a crude oil blending ratio calculation model, and acquiring a crude oil blending ratio according to the crude oil blending ratio calculation model and the crude oil blending ratio parameters, thereby completing optimal setting of a limited configurable crude oil blending ratio, and reducing production cost of oil refining enterprises; establishing a crude oil dispatching and production scheduling optimization model, and generating a crude oil dispatching and production scheduling scheme according to the crude oil dispatching and production scheduling optimization model, the crude oil blending ratio and the crude oil dispatching and production scheduling parameters; and finally generating a crude oil dispatching and production scheduling plan report according to the crude oil blending ratio and the crude oil dispatching and production scheduling scheme, and issuing the crude oil dispatching and production scheduling plan report to workshops for execution. Therefore, the accuracy, executability and working efficiency of crude oil dispatching and production scheduling are improved.
Owner:ZHEJIANG SUPCON SOFTWARE +1

Gel particles suitable for low-permeability fractured carbon dioxide flooding oil reservoir and profile control agent as well as preparation method and application thereof

ActiveCN111234790AImprove acid resistanceGood heat resistance, salt resistance and acid resistanceFluid removalDrilling compositionFunctional monomerCo2 flooding
The invention relates to the technical field of oil field profile control and water plugging agents, in particular to gel particles suitable for a low-permeability fractured carbon dioxide flooding oil reservoir, a profile control agent, a preparation method and an application thereof. The gel particle is prepared from the following components in percentage by mass: 10 to 20 percent of an acrylamide monomer; 10-30% of an acid-resistant functional monomer; 1-3.0% of a temperature-resistant functional monomer; 1-3.0% of a salt-tolerant functional monomer; 1-2.0% of a cross-linking agent; 1-10% of an initiator; 0.2 to 1.0 percent of a reinforcing agent; and the balance of aqueous phase. By compounding the gel particles with a cationic polymer solution, the acid-resistant gel particle profilecontrol agent is obtained. The acid-resistant gel particle profile control system prepared by the method is good in temperature resistance, salt resistance and acid resistance and long in action validity period, can be used as an excellent low-permeability fractured CO2 flooding oil reservoir profile control system and is used for blocking a heterogeneous stratum with micro-fracture development.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

System and method of fused magnesium production energy management based on BOM and MRP algorithms

The invention relates to a system and a method of fused magnesium production energy management based on BOM (Bill of Materials) and MRP (Material Requirement Planning) algorithms. The system comprises a sales management module, an inventory management module, a procurement management module, a product BOM module, an MRP computing module, a production planning module, an electric energy planning module, a production dispatching module, an electric energy counting module and an electric energy monitoring module; the fused magnesium production energy management method comprises the steps: performing MRP computation according to fused magnesium BOM, sales order quantity demand of the fused magnesium, delivery date of the fused magnesium, available inventory quantity information of the fused magnesium, available inventory quantity information of magnesite ores and available inventory quantity information of graphite electrodes; and generating electrical energy requirement planning, procurement planning of raw materials and production planning. According to the system and the method of fused magnesium production energy management based on BOM and MRP algorithms, the formulating efficiency and accuracy and the operability of the production planning, the procurement planning and the electric energy requirement planning of fused magnesium enterprises can be improved greatly; the plans match with the sales order requirement, so that the production can be organized as planned and the just-in-time delivery of the order is guaranteed.
Owner:NORTHEASTERN UNIV

Snoring sound signal identification method

The invention provides a snoring sound signal identification method. The method comprises the following steps of acquiring audio information of a preset sleep time period, and extracting Mel-frequencycepstral coefficients of the audio information as training samples; classifying the training samples into snoring sounds and non snoring sounds by utilizing a k-means clustering algorithm, and then removing the non snoring sounds according to a clustering result, so that a snoring sound training set is obtained; performing training by a Gaussian mixture model to obtain an identification model; calculating the generation probabilities of the snoring sounds in the training set by utilizing the identification model, arranging the generation probabilities in an ascending order, and taking front preset percentage data as a snoring sound generation probability threshold of an experiment object; and acquiring an audio segment by an audio acquisition device, extracting a Mel-frequency cepstral coefficient of the audio segment, then using the model to calculate the generation probability of the audio segment, and judging whether the audio segment is the snoring sound of the experiment object or not. According to the method, preprocessing operation is carried out on an original snoring sound signal, so that the processing amount of the data can be effectively reduced, and the distinguishingdegree of the snoring sound and non-snoring sound signals can be increased.
Owner:杭州深蓝睡眠科技有限公司

ERP (enterprise resource planning)-based contract reviewing method

The invention discloses an ERP (enterprise resource planning)-based contract reviewing method. Contract reviewing software is used for carrying out simulated stock preparation, simulated scheduling and price reviewing on stock demands of a sales contract (intension): the stimulated stock preparation is used for carrying out contrast and selection on uncompleted contract number, account payable, quality credit and delivery credit of each supplier for the same material through supplier abstracts and determining purchasing intension including current price, purchasing number, and delivery date through a supplier coordination order; the simulated scheduling is used for generating a process scheduling period according to the production period of parts to be machined, and the capacity scheduling is used for displaying equipment name, equipment model, equipment specification, production capability, and equipment numbers in each process selected for a parts process flow, and an adjustment working calendar is used for setting production classes and pre-scheduling periods according to equipment load rates; and the price reviewing is used for generating current cost according to the current price of the simulated stock preparation through product price analysis, the manufacturing cost of salary expense according to the salary standard, and the reviewing price according to the set management expense rate and profit rate.
Owner:林大统 +2
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