39results about How to "Reduce scheduling difficulty" patented technology

The invention discloses a single-ended VSC-HVDC photovoltaic power generation system, which comprises more than one photovoltaic direct current booster station, an HVDC positive cable, an HVDC negative cable, an HVDC converter, a transformer and a high voltage alternating current network, the positive and negative ends of the photovoltaic direct current booster station are respectively connected with the HVDC converter via the HVDC positive cable and the HVDC negative cable, and the output end of the HVDC converter is connected with the high voltage alternating current network via the transformer. The system has the advantages of being simple and compact in structure, low in cost, easy to install and use, high in efficiency, wide in application scope and the like.

The invention provides a lateral error translation modification method of a wind electricity power forecast system. The method includes the steps that wind electricity power historical forecast and actual measurement data sequences are collected and are classified according to four seasons, and data of each season every year are divided into three kinds of power trend sections, that is a continuous power increasing section, a continuous power lowering section and an unchanged power section; duration time sequences of each power trend section are obtained according to power trend duration models, probability statistic analysis is carried out to obtain a macroscopic centralized distribution value, a wind electricity power forecast lateral error model is input to obtain a lateral error of each season every year, and a weighted average value of the lateral errors of each identical season of N years serves as a lateral error modification value of each season; translation modification is carried out on forecast power sequences supplied to power grid dispatching by the wind electricity power forecast system by means of the weighed average value, and the translation modification effect is evaluated on the whole. The method has common adaptability for power short-term or exceedingly-short-term forecast systems of wind electricity, photoelectricity and the like and can further improve precision of various power forecast systems.

The invention relates to a water-saving pool overlapping high water head ship lock. By means of the technical scheme, according to the technical aims to be achieved by the ship lock, the site area of a large number of water-saving pools is reduced to the minimum, and the difficulty of building the water-saving pools on mountain topographies is greatly reduced. According to the technical scheme, the well type ship lock technology and the water-saving pool overlapping technology are combined, and the combined operation manner of the multiple water-saving pools is carried out.

The embodiment of the invention provides a task scheduling method and device based on a heterogeneous processor, and electronic equipment. The method comprises the following steps that: a main processor in the electronic equipment monitors the current CPU (Central Processing Unit) load of each heterogeneous slave processor, and identifies at least one source processor of which the current CPU load is greater than a first set threshold value corresponding to the current CPU load from each heterogeneous slave processor; at least one scheduling module is determined in each algorithm module of the source processor by aiming at each source processor; according to a corresponding relationship between the algorithm module stored in a module attribute table and at least one heterogeneous slave processor, a target processor scheduled by the scheduling module is obtained by aiming at each scheduling module; and connection is established between the source processor and the target processor, the scheduling module is scheduled to the target processor to enable the source processor and the target processor to jointly finish a task corresponding to the source processor. By use of the embodiment, the efficiency and the success rate of task scheduling can be improved.

The invention discloses a service inventory management method and system and a server. The effective man-hour of a service provider is matched with the service time of a service product; matching timeitems are determined , the service inventory is calculated by matching the time items; inventory particularity is refined, the work order is more reasonably reserved and dispatched; the method effectively overcomes the defect that in the prior art, service inventory data are not accurately calculated only according to service items, service time periods capable of being provided and serviceable areas in a coarse-grained mode, provides more accurate service inventory, facilitates order reasonable allocation, effectively supports a sales strategy to formulate an inventory selling rule, and improves the overall efficiency. Moreover, the resource waste caused by large errors between the service inventory and the actual inventory is avoided, the situations of more than one person and more thanone person are avoided, the negative inventory phenomenon is reduced, and the cost is effectively reduced.

The invention discloses a method for predicting the working temperature of a meteorology-related photovoltaic module. Based on factors such as ambient temperature, solar radiation intensity and wind speed, a linear model is fitted through a large amount of historical data and a nonlinear model is deduced through the law of conservation of energy. Moreover, two experimental platforms are designed to collect data. The influencing factors of the working temperature of the photovoltaic module can be deeply revealed, and the influence of the meteorological factors on the working temperature of thephotovoltaic module can be fully reflected. Therefore, the forecast accuracy of the generating capacity of a photovoltaic power station can be improved.

The invention discloses a centralized-dispatching system and method for numerically-controlled machine tools in a machining workshop. The system comprises a dispatching controller located in the machining workshop and used for dispatching N numerically-controlled machine tools, a parameter input device connected with the dispatching controller and a machine tool machining state monitoring device for monitoring machining states of the N numerically-controlled machine tools, wherein the dispatching controller is connected with the machine tool controller of the N numerically-controlled machine tools. The method comprises the steps of starting dispatching, inputting emergent additional order machining information, and dispatching additional orders based on non-cooperative games. The dispatching controller is matched with the machine tool machining state monitoring device for monitoring the machining states of the numerically-controlled machine tools in use, and the purpose of conducting real-time dispatching on the real-time machining sates of the numerically-controlled machine tools is achieved.

The embodiment of the invention provides an alternating current-direct current smart home micro-grid operation method based on a particle swarm algorithm. Voltage, current and power of a micro-grid are optimally calculated through the particle swarm algorithm, and 100 percent grid connection of new energy sources can be realized; power generation advantages of a distributed power supply are sufficiently played and the utilization rate of clean energy sources is improved; a home micro-grid can express a pure resistive property on an electric supply, and harmonic pollution, caused by power generation of the new energy sources and power electronic equipment, on the electric supply is eliminated and power factors are improved; time-sharing constant power of the home micro-grid can be realized, and the difficulty of scheduling an upper-grade power grid is reduced and the stable operation capability of the upper-grade power grid is improved; the technical problems that the utilization rate of the new energy sources is not enough and the micro-grid causes impact on the upper-grade power grid, and supply-demand balance of electric energy and the quality of the electric energy are seriously influenced are solved. The embodiment of the invention further provides an alternating current-direct current smart home micro-grid operation device based on the particle swarm algorithm.

The invention provides a visualized DAG workflow task scheduling system and an operation method thereof. The visualized DAG workflow task scheduling system comprises: a front-end UI module used for providing an interface for drawing a DAG workflow task and a matched dragging assembly, a MasterServer cluster module used for scheduling and monitoring the DAG workflow task, a WorkerServer cluster module for executing a DAG (Directed Acyclic Graph) workflow task and providing a log service, a ZooKeeper service module is used for carrying out coordinated management on the MasterServer cluster module and the WorkerServer cluster module, and a database module for providing a data storage service. According to the DAG workflow task scheduling system, the DAG workflow task can be drawn and related data resources can be configured by dragging the matched component on the front-end UI module, so that the scheduling difficulty of the DAG workflow task is reduced, and the operation efficiency is improved.

The invention discloses a centralized scheduling method for numerically-controlled machine tools in a processing workshop under the condition of emergency orders. The method includes the following steps that 1, emergency-order processing information is input; a parameter input device connected with a scheduling controller is adopted for inputting the emergency-order processing information, and thescheduling controller is used for synchronously recording the input emergency-order processing information; 2, emergency orders are executed, wherein the parameter input device inputs emergency-orderexecution information, the scheduling controller is used for synchronously recording the current time, and the recorded current time is the time for emergency order execution; 3, non-cooperative-game-based emergency order scheduling is conducted. According to the method, workpiece machining processes serve as scheduling objects, under the condition of the emergency orders, only two machining processes are subjected to non-cooperative games at the same time and correspondingly allocated to the optimal machining machine tool, the scheduling difficulty under the condition of the emergency orderscan be largely reduced, and at the same time, the requirements of production for high efficiency and stability can be met at the same time.

The invention discloses a multifunctional logistics vehicle. The vehicle comprises a main body system, a normal-temperature storage system, a heat preservation storage system, a shading system, a plate and a low-temperature storage system, wherein the low-temperature storage system is arranged on the main body system, normal-temperature storage systems are arranged on two sides of the low-temperature storage system, a plate is arranged at the top of the low-temperature storage system, the heat preservation storage system is arranged on the plate, and the shading system is arranged at the top of the heat preservation storage system. The device can bear transportation and delivery of conventional object packages, cooked food logistics packages and fresh food logistics packages at the same time, the industry extension range can be widened, industry integration becomes possible, moreover, feasibility is provided for reducing the number of vehicles, and overall dispatching difficulty and distribution cost are reduced. The device is advantaged in that the longitudinal space can be effectively utilized, an inter-basket series connection mode is adopted for solving a problem that specificpackages cannot be stacked in a multi-stacking mode, and the logistics space utilization rate is increased.

The invention provides a scheduling method and device based on a floater event. The scheduling method based on the floaterevent comprises the steps of acquiring the floater event; identifying the floater event to obtain category information and response level information; performing matching according to the category information and the response level information to obtain an event disposal process; creating a disposal work order according to the event disposal process, and distributing the disposal work order to a disposal device; receiving feedback information fed back by the processing device, and generating an event report corresponding to the processing work order according to the feedback information; and counting and analyzing the event report to obtain an analysis result, and archiving the analysis result. Therefore, by implementing the implementation mode, the type of the floater event can be accurately determined, and automatic and accurate scheduling of the floater event can be realized, so that the loss of labor cost is reduced, and the scheduling difficulty of the event and the statistical management difficulty of the event are reduced.

The invention discloses a thick plate test sample transfer device which comprises a turnover tray and a transfer frame, the transfer frame comprises two side plates and a cross beam, platforms are arranged on the side plates respectively, and each platform is provided with a limiting device; each turnover tray is provided with a set of roller positioning device; the roller positioning devices correspond to the limiting devices in position, so that when the roller positioning devices of the turnover trays are aligned with the limiting devices of the transfer frame to descend, the roller positioning devices fall into the limiting devices and are limited by the limiting devices to move horizontally, and therefore displacement of the turnover trays in the plane direction is limited. According to the device, the middle rotating disc is positioned through gravity, various tensile samples, bending samples, round tensile samples and impact samples meeting the thick plate inspection and test requirements can be met, the positioning mechanism is simple and accurate, efficient and low in cost, and the process that a grabbing robot places materials on a turnover tray and automatically takes the materials from the turnover tray is met; and high-efficiency transfer of thick plate test samples can be realized.

The invention provides a public transport means dispatching method and device and equipment. The method comprises the following steps that: a departure time table, minimum stop time and maximum stop time are obtained; according to the departure time table, available vehicles in all operation time periods are selected from vehicles to be dispatched, and the available vehicles comprise first vehicles which are not dispatched before the current operation time period and second vehicles of which the stop time is longer than the minimum stop time; corresponding pilot run vehicles are selected from the available vehicles in each running period, and the stop frequency of each pilot run vehicle of which the stop time is less than the maximum stop time is calculated; and when it is determined that the ratio of the stop frequency to the total number of the operation periods is greater than a preset ratio, and a dispatching result indicating that the selected pilot run vehicles are dispatching vehicles in the corresponding operation periods is obtained. By using the method disclosed by the invention, the dispatching efficiency can be improved, the dispatching difficulty can be reduced, and the public transport means can be automatically and reasonably dispatched.

A novel floating type draught fan foundation comprises a foundation body, a tower tube arranged on the foundation body, a draught fan arranged on the tower tube and an anchoring system, the anchoring system comprises a fixing ring and a plurality of mooring cables annularly distributed on the periphery of the fixing ring, and the fixing ring is of a hoop structure, detachably connected to the tower tube in a sleeving mode and supported on the foundation body or the tower tube. The mooring cable is used for being anchored to the seabed surface. The fan foundation further comprises a water turbine located at the bottom of the foundation, the fan impeller and the water turbine impeller face the same direction, and the water turbine can rotate along with the tower drum. The whole fan is separated from the mooring system, and matching is easy and convenient. The mooring system can be installed in advance, then the whole fan is transported to the site to be matched with installation of the mooring system, the long-time construction operation of whole machine installation is decomposed, the utilization rate of the short-time construction window period on the sea is increased, the ship dispatching difficulty is reduced, the construction efficiency is improved, and the cost is correspondingly reduced.