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50results about How to "Solve planning problems" patented technology

Method for optimizing new energy capacity ratio in layers in power grid

The invention discloses a method for optimizing the new energy capacity ratio in layers in a power grid. The method comprises the steps that iteration calculation is conducted on the inner layer and the outer layer, a calculation model is that time series modeling is conducted on output force of the inner layer on the basis that the characteristics of new energy of a region are considered, the optimal energy-saving emission reduction benefit of the power grid serves as a goal, the factors such as the load characteristic, the unit peak shaving characteristic and the thermoelectricity coupling characteristics of heat supply units of different types are comprehensively considered, and therefore an annual time series production analog simulation model related to new energy power generation is established; the outer layer is provided with a capacity ratio optimizing model, the energy-saving emission reduction benefit of the model of the inner layer serves as a fitness function, so that the individual optimizing direction is updated, the new energy power generation ratio capacity is determined, the blindness of random generation of new energy installed capacity is reduced, and the optimizing efficiency and the accuracy are improved. The method for optimizing the new energy capacity ratio in layers in the power grid can be applied to new energy capacity optimization of the province-level power grid and has important guiding significance in grid source planning and practical power system dispatch of the province (region) power grid with the requirements for new energy installed capacity planning and low carbon electric power.
Owner:HOHAI UNIV

Artificial fish swarm algorithm-based power wireless private network base station planning method

The invention provides an artificial fish swarm algorithm-based power wireless private network base station planning method. The method comprises the steps of mapping base station planning position information in a planning region to artificial fish position information in an artificial fish swarm algorithm, establishing a target function by integrating parameters in two aspects of a station establishment cost and a power distribution and utilization business coverage rate, and by calculating the target function, searching for and solving a global optimal target function value; and based on an optimized artificial fish swarm algorithm, by adjusting a visual field, a step distance and a motion mode of an artificial fish, based on the global optimum search, further accurately solving an optimal target function value, thereby obtaining an optimal planning scheme of power wireless private network base station planning, greatly simplifying the calculation process, and improving the accuracy. According to the artificial fish swarm algorithm-based power wireless private network base station planning method provided by the invention, the calculation accuracy and reliability are improved, the calculation efficiency is enhanced, and the construction cost is reduced.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY +2

Gas-electric coupling comprehensive energy system planning method considering elastic scheduling strategy

The invention discloses a gas-electric coupling comprehensive energy system planning method considering an elastic scheduling strategy. The method comprises the following steps: inputting the structure and equipment parameters of a gas-electric coupling comprehensive energy system according to the structure of the gas-electric coupling comprehensive energy system; establishing gas-electric coupling comprehensive energy system equipment operation constraints of the cooling typical day and the heating typical day; establishing a multi-stage optimization scheduling model oriented to elastic operation; establishing an optimization model based on a genetic algorithm; and carrying out interactive solution on the optimal configuration layer multi-stage optimal scheduling model and the operation optimization layer optimization model and outputting a solution result, wherein the solution result comprises an equipment configuration scheme and an optimal scheduling plan. According to the invention, the complementary coordination effect of the electric drive equipment and the gas drive equipment and the response capability of the energy storage device are fully considered; and a gas-electric coupling comprehensive energy system double-layer planning and design model considering an elastic scheduling strategy is established, the upper layer is evolved and optimized by adopting a genetic algorithm, and a related mathematical solver is called for solving the lower layer to obtain a system planning and design scheme and an optimal scheduling planGas-gas scheduling strategy considering elastic scheduling strategy Electrical coupling comprehensive energy system planning method: gas-gas coupling comprehensive energy system planning is carried out according to gas-gas Electrical coupling integrated energy system structure and input gas- The structure and equipment parameters of the comprehensive energy system are electrically coupled; establishment of gas-heating typical day and cooling typical day Equipment operation constraint of the integrated energy system is electrically coupled; establishing a multi-stage optimization scheduling model oriented to elastic operation; establishing an optimization model based on a genetic algorithm; and carrying out interactive solution on the multi-stage optimization scheduling model of the optimization configuration layer and the optimization model of the operation optimization layer, and outputting a solution result which comprises an equipment configuration scheme and an optimal scheduling plan. Complementary coordination effect of electric driving equipment and gas driving equipment and response capability of an energy storage device are fully considered, and a gas-gas scheduling strategy considering an elastic scheduling strategy is established; and a double-layer planning design model of the integrated energy system is electrically coupled, an upper layer adopts a genetic algorithm to evolve and optimize, a lower layer calls a related mathematical solver to solve, and a system planning design scheme and an optimal scheduling plan are obtained.
Owner:TIANJIN UNIV +1

Distributed power supply access power distribution network planning method

The present invention discloses a distributed power supply access power distribution network planning method. The method comprises: establishing the power distribution network extension planning model of a distributed power supply, wherein the power distribution network extension planning model is a mathematic model for the line operation cost, the distributed power supply construction cost and the purchasing electricity cost reduced through the reduction of the access of the distributed power supply, employing a genetic algorithm for solution, employing the adaptive genetic algorithm for planning of the distributed power supply, employing the genetic algorithm for extension planning of the network aiming at the individual of distributed power supply capacity and position generated by each generation in the genetic algorithm, adding the influence of the distributed power supply, and repairing non-feasible solution generated by the intersection and mutation operation in the genetic algorithm, and performing economic evaluation of the integrated planning result of the distributed power supply and the network. According to the actual condition of the distribution network structure and the capacity and the distribution position of the distributed power supply, and the problems of the planning of the distribution network, the site selection and the constant volume of the transformer station and the site selection of the distributed power supply are solved through adoption of the appropriate algorithm.
Owner:HUAIBEI POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER +1

Reliability and economy-coordinated optimization method of power distribution network planning and investment

The invention discloses a reliability and economy-coordinated optimization method of power distribution network planning and investment. The method firstly determines unit load reliability improving costs and unit load increasing costs, then determines investment benefits of corresponding sub-regions, and finally establishes a power distribution network investment optimization distribution model with the goal of maximizing the investment benefits. The method comprises the following steps: (1) estimation of investment costs: estimating a reliability improving investment cost and a unit load increasing cost and an overall investment cost; (2) estimation of investment benefits: proposing the concept of a ratio of output value to unit electric energy consumption, evaluating the economic benefits generated by unit electrical energy in this region; (3) estimation of target reasonableness: determining the reasonableness of annual target power supply reliability setting according to the relationship between the total investment cost and the budget; (4) establishment of a reliability and economy-coordinated investment optimization model: taking different types of power supply loads in all regions as optimization variables, taking the maximum investment benefits of the whole region as the optimization target, and taking the investment budget as the constraint.
Owner:STATE GRID CORP OF CHINA +1

Robot path planning method for target searching

The invention provides a robot path planning method for target searching. The problem that a robot in the current market is low in efficiency of carrying out a target searching function is solved. A robot target search path planning algorithm is put forward by firstly fusing an environment key point locking algorithm, a visual full coverage algorithm and a path planning algorithm based on discreteBayesian posteriori optimization. According to the path planning method, the robot can be driven to preferentially search the place where the target is most likely to appear. On the basis of a visualfull-coverage algorithm and a discrete Bayesian posterior optimization theory, a heuristic exploration mechanism fused into multiple algorithms is formed, the time for successfully completing a search task is taken as an optimization target, a probability cost calculation method combined with a Bayesian formula is introduced, and a simulated annealing algorithm is utilized, so that the learning efficiency of the model is improved. The method has the advantages that the model learning efficiency is high, the method is suitable for a known environment scene, and the robot can efficiently and rapidly find the target in a complex environment so as to plan the optimal path reaching the place where the target is most likely to appear.
Owner:BEIJING LUOBIDE TECH CO LTD

Collision-free path planning method and device for welding robot in complex environment

The invention relates to a collision-free path planning method and device for a welding robot in a complex environment, computer equipment and a computer readable storage medium. The method comprises the steps of: performing initialization, and performing modeling; expanding nodes on the first node tree and the second node tree respectively, wherein the first node tree takes a starting point of the welding path as a root node, the second node tree takes a termination point of the welding path as a root node, and an extension mode is selected according to the complexity of a path search environment during node extension; judging whether a collision-free path from the starting point to the ending point can be obtained or not according to the nodes on the first node tree and the second node tree; taking the collision-free path as an initial path, and performing interpolation processing on the initial path; performing post-processing optimization on the interpolated path to obtain a collision-free shortest path; and returning to the shortest path. The path planning method provided by the invention is high in universality, has relatively high efficiency and robustness, and can adapt to different complex path planning environments.
Owner:EAST CHINA UNIV OF SCI & TECH

Maneuvering communication network intelligent planning method based on deep reinforcement learning

ActiveCN111104732ACombined structure is simple but effectiveReduce demandGeometric CADDesign optimisation/simulationResource elementEngineering
The invention discloses a maneuvering communication network intelligent planning method and device based on deep reinforcement learning, and the method comprises the following steps: 1, preprocessingresource elements: preprocessing the resource elements of a guarantee node, a guaranteed user, an erection region and the like of a maneuvering communication network; 2, preprocessing planning rules,namely preprocessing the planning rules of the mobile communication network; 3, generating a training sample: performing random Monte Carlo search calculation on the preprocessing result to generate the training sample; 4, performing model training: based on the recurrent neural network, training a network planning model by using the training sample; and 5, performing model generation: constructing a joint loss function, repeatedly searching and training the sample according to the indication of the joint loss function, and generating a maneuvering communication network planning model. The deep reinforcement learning-based maneuvering communication network intelligent planning method and device effectively solve the problems that the current maneuvering communication network planning depends on a large amount of manual operation, the planning time exceeds the task requirement, the adaptability to sudden tasks and strange environments is poor, the resource utilization rate is low and the like, and improves the overall efficiency of maneuvering communication network planning.
Owner:NAT UNIV OF DEFENSE TECH

Shared bicycle parking management system

The present invention discloses a shared bicycle parking management system, which comprises the following steps of connecting the mobile device of a shared bicycle with a server to search for a nearest available parking space; continuously sending messages to the management system through an intelligent parking pillar, identifying available parking spaces in a parking area and reserving a parkingspace; guiding the shared bicycle to a designated position through a GPS system; when the intelligent parking pillar identifies the mobile device of the shared bicycle, switching to local communications and/or P2P peer-to-peer computing; through the local communications, guiding the user of the shared bicycle to a correct position through the arrow of the intelligent parking pillar, inquiring themobile device to send out "Ping" (Internet Packet Explorer) to measure the distance; guiding the newly arrived shared bicycle to a final parked position; confirming that the parking coordinates of theshared bicycle are in the parking area, and sending a message that the bicycle has been parked in the correct position to a server management platform by the intelligent parking pillar; notifying themobile device of the shared bicycle by the server, displaying the condition of "parking completed", releasing the user and locking the bicycle.
Owner:劳尔艾奥安瑞克

Utilization system for leaking water of utility tunnel

InactiveCN106978820ASolve the problem that it is difficult to discharge and affect the overall waterproof performance of the pipe galleryReduce workloadArtificial islandsUnderwater structuresLeaking waterEngineering
The invention relates to the technical field of utility tunnels, and in particular relates to a utilization system for leaking water of a utility tunnel. The system comprises the utility tunnel and a regulating and storing pool, wherein the utility tunnel comprises at least a water supplying space; a water collecting tank is arranged in the bottom part of the water supplying space and is connected with the regulating and storing pool through a draining pipe; a liquid level sensor and a first water pump are arranged in the water supplying space; the liquid level sensor is connected with the water collecting tank; the first water pump is connected with the draining pipe. According to the utilization system for the leaking water of the utility tunnel, the problem that leaking water in the water supplying space of the utility tunnel is hardly drained and influences the overall waterproofing performance of the tunnel is solved, and the workload of maintenance workers is decreased; meanwhile, the problem of independent planning and constructing of a urban utility tunnel and rainwater regulating and storing construction of a sponge city can be solved; the utility tunnel and a rainwater utilizing facility of road construction are combined and integrally planned, designed and constructed, so that the cost is decreased, and the influence of the construction to an urban road is minimized.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Satellite rolling attitude planning method considering thermal control and measurement and control constraints based on sight pointing

The invention provides a satellite rolling attitude planning method considering thermal control and measurement and control constraints based on sight pointing. The satellite rolling attitude planningmethod comprises the steps of (1) injecting task satellite position information and target satellite pose measurement information into a ground measurement and control station; (2) resolving a sunlight unit vector under an orbital coordinate system of the task satellite; (3) resolving a position vector of the measurement and control station under a J2000 geocentric inertial system; (4) determining thermal control and measurement and control constraints; (5) determining a fly-around rotating shaft and a maximum fly-around angle; (6) obtaining a fly-around angle value set; (7) obtaining a rolling angle feasible region meeting the thermal control constraint, a rolling angle feasible region meeting the measurement and control constraint and a rolling angle feasible region simultaneously meeting the thermal control and measurement and control constraints for the fly-around angle; (8) obtaining a rolling angle feasible region meeting the thermal control constraint, a rolling angle feasibleregion meeting the measurement and control constraint and a rolling angle feasible region simultaneously meeting the thermal control and measurement and control constraints in the whole fly-around process; and (9) generating a rolling angle expected value sequence of the task satellite, and injecting the rolling angle expected value sequence into the satellite.
Owner:SHANGHAI AEROSPACE SYST ENG INST

Comprehensive energy system topology optimization method considering energy flow delay characteristic

The invention relates to a comprehensive energy system topology optimization method considering an energy flow delay characteristic. The optimization method comprises the following steps of S1, establishing a comprehensive energy system network mechanism model including a steam and hot water conveying network, a chilled water and cold air conveying network and a compressed air conveying network; s2, calculating response characteristics of key parameters such as temperature and flow of a working medium at the tail end of each energy flow transport network along with fluctuation of a source end;s3, establishing an objective function of the lowest comprehensive delay of various energy flows, the weight coefficient of each energy flow delay being obtained by a fuzzy analytic hierarchy process; s4, constructing a supply and demand working condition combination set, and setting a plurality of energy flow supply and demand matching constraints and comprehensive energy system network node space distribution constraints; and S5, solving an optimization problem formed by the target function and the constraint condition in the above steps by adopting a particle swarm optimization algorithm to obtain an optimal topology planning scheme of the comprehensive energy system.
Owner:ZHEJIANG UNIV

Three-section type control strategy for achieving long-distance fixed-point suspension of airship

The invention discloses a three-section type control strategy for achieving long-distance fixed-point suspension of an airship. According to the invention, based on the initial distance, setting a speed reduction start distance and a suspension start distance; measuring a real-time flight position of the airship, comparing the real-time flight position with a target suspension position and making control mode selection judgment; setting the expected speed of the constant-velocity flight of the airship to be ud, setting the actual forward flight speed of the airship to be u, marking speed errors to be eu, and carrying out forward tracking control rule designing of the airship in the constant-velocity slight segment; selecting expected speed of the suspension start section and carrying out speed reduction section control; measuring the position information and the forward speed information of the airship and carrying out small-distance precise fixed-point suspension control; and establishing an airship pitching channel model and calling and controlling control parameters through simulation. The beneficial effects are that dynamic and steady-state performance of fixed-point suspension at the end section in case of the long distance is improved.
Owner:YANTAI NANSHAN UNIV +1

Surveying and mapping method based on municipal engineering

ActiveCN112146634ASolve the cumbersome problems in the surveying and mapping processShorten the timeGeometric CADSurveying instrumentsThe InternetUncrewed vehicle
The invention discloses a surveying and mapping method based on municipal engineering. The method is used for solving the problems that a traditional surveying and mapping method is complex, unfavorable for municipal engineering surveying and mapping requirements, inconvenient in surveying and mapping and low in surveying and mapping precision. The surveying and mapping method has the following beneficial effects that an unmanned aerial vehicle, an Internet of Things terminal and a satellite platform are used for solving the problems that the traditional surveying and mapping method is complexin step and needs a large number of staff surveying and mapping personnel to carry out hard surveying and mapping without resistance to wind and rain, meanwhile, the unmanned aerial vehicle, the Internet of Things terminal and the satellite platform can work uninterruptedly for 24 hours, surveying and mapping time is shortened, surveying and mapping efficiency is improved, and meanwhile, the problem that the surveying and mapping process of surveying and mapping personnel is tedious is solved; by converting a two-dimensional surveying and mapping graph into a three-dimensional surveying and mapping graph, information of constructors is more convenient to obtain, and laymen can also visually know planning of municipal engineering through a three-dimensional model; and by positioning the Internet of Things terminal, auxiliary positioning can be performed through the positioning coordinates of the Internet of Things terminal during surveying and mapping, and the problem of poor surveyingand mapping precision is solved.
Owner:安徽璞石生态建设有限公司

Method for planning flight route of short-distance transportation unmanned aerial vehicle

The invention provides a method for planning a flight route of a short-distance transportation unmanned aerial vehicle, and the method comprises the following steps: 1, reading a model, to be more specific, reading a map with building height data from a map database; 2, determining a height, to be more specific, calculating the average value of the building height data; 3, intercepting a constant-height surface, to be more specific, intercepting a corresponding plane graph from map data by use of the calculated average value as an interception height; 4, bending a connection line, to be more specific, taking a point on one part, passing through a building cover surface, of the connection line between a starting point and a terminal point as a bending point to bend the connection line and enable the connection line not to pass through any building cover surface; 5, optimizing a path, to be more specific, the height of the obtained connection line is increased by 3 to 10%, two ends of the connection line are connected with the connection line are connected with the starting point and the terminal point, and curve smoothing treatment is performed on the two ends of the connection line; and 6, sending the path. According to the method, the flight path planning problem of the short-distance transportation unmanned aerial vehicle can be effectively solved by a process with an extremely small amount of calculation in a very low cost manner.
Owner:NANNING UNIV

Black start power supply location selection method suitable for electric power system partition recovery mode

The invention relates to a black start power supply location selection method suitable for an electric power system partition recovery mode, which has the technical features of forming a network topology matrix, and adopting a discrete particle swarm optimization algorithm to generate an initial scheme of black start power supply location selection; adopting a continuous particle swarm optimization algorithm to generate an initial scheme of unit partitioning and sorting; adopting the Dijkstra shortest path algorithm to calculate the unit capacity recovery speed of the initial scheme; according to the particle change rule of the continuous particle swarm optimization algorithm, generating a new scheme of unit partitioning and sorting; calculating the weighted sum of the power construction cost of the black start power supply location selection scheme and the unit capacity recovery speed as an evaluation value; and according to the particle change rule of the discrete particle swarm optimization algorithm, generating a new scheme of black start power supply location selection. The method solves the planning problem of selecting the location of the black start power supply, proactively prevents blackouts from the electric power system planning and design level, and improves the recovery efficiency of the electric power system after the blackouts.
Owner:国网(天津)综合能源服务有限公司 +4

Population intelligent dynamic logistics knapsack optimization method

The invention relates to a population intelligent dynamic logistics knapsack optimization method. The method comprises a dynamic logistics knapsack comprehensive optimization problem in logistics distribution and a solving method thereof. The invention discloses a dynamic logistics knapsack optimization problem. the dynamic path planning is combined with the knapsack problem; According to the dynamic logistics knapsack comprehensive optimization method and device, the purpose of comprehensively optimizing the knapsack value rate of the vehicle while optimizing the vehicle distribution path isachieved, the backpack problem is solved, the vehicle loading model is converted into the knapsack value optimization model, the loading optimization rate model of the logistics distribution vehicle can be properly simplified, and the dynamic logistics knapsack comprehensive optimization problem is easier to solve. The group intelligent optimization algorithm is a grey wolf optimization algorithm.The grey wolf optimization algorithm belongs to a biomimetic algorithm, the algorithm is commonly used for solving the combination optimization problem, the grey wolf optimization algorithm has a group learning mechanism, local optimization and global optimization can be balanced, and the defect that an existing heuristic algorithm cannot give consideration to local optimization and global optimization is overcome. A delivery scheme obtained by solving the comprehensive optimization problem shows that by adopting the method provided by the invention, the vehicle delivery distance and the vehicle load rate can be better and comprehensively optimized. Meanwhile, data experiments prove that the dynamic logistics knapsack comprehensive optimization problem is suitable for large-scale logistics distribution optimization scenes.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Power grid side energy storage system capacity configuration method based on improved simulated annealing algorithm

The invention belongs to the technical field of power grid planning, and particularly relates to a power grid side energy storage system capacity configuration method based on an improved simulated annealing algorithm. The method comprises the following steps: measuring an income y1 of delaying upgrading and reconstruction of a power transmission network by an energy storage system; measuring an increase wind power consumption income y2; measuring an environment cost y3 reduced by peak regulation of the energy storage system; measuring the annual cost yin of the whole life cycle of the energystorage system; and determining an optimal result max f = y1 + y2 + y3-yin of site selection configuration of the power grid side energy storage system according to the following objective function. According to the power grid side energy storage system capacity configuration method based on an improved simulated annealing algorithm, the possibility of falling into local optimum is reduced and theconvergence rate is increased. The method is reasonable in design, combines the advantages of a longhorn beard algorithm and a simulated annealing algorithm, a problem of energy storage system planning in a power grid is solved, and the operation economy of the energy storage system is improved.
Owner:STATE GRID CORP OF CHINA +2

A flight route planning method for short-distance transportation UAV

The invention provides a method for planning a flight route of a short-distance transportation unmanned aerial vehicle, and the method comprises the following steps: 1, reading a model, to be more specific, reading a map with building height data from a map database; 2, determining a height, to be more specific, calculating the average value of the building height data; 3, intercepting a constant-height surface, to be more specific, intercepting a corresponding plane graph from map data by use of the calculated average value as an interception height; 4, bending a connection line, to be more specific, taking a point on one part, passing through a building cover surface, of the connection line between a starting point and a terminal point as a bending point to bend the connection line and enable the connection line not to pass through any building cover surface; 5, optimizing a path, to be more specific, the height of the obtained connection line is increased by 3 to 10%, two ends of the connection line are connected with the connection line are connected with the starting point and the terminal point, and curve smoothing treatment is performed on the two ends of the connection line; and 6, sending the path. According to the method, the flight path planning problem of the short-distance transportation unmanned aerial vehicle can be effectively solved by a process with an extremely small amount of calculation in a very low cost manner.
Owner:NANNING UNIV
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