37results about How to "Reduce schedule pressure" patented technology

The embodiment of the invention provides a delivery pressure prediction method and device. The method comprises the steps: obtaining at least one feature parameter of a delivery region, wherein the feature parameters reflect the delivery pressure of the delivery region in a current time period; predicting the delivery pressure parameters of the delivery region in a future time period according to the feature parameters; determining the level of the delivery pressure of the delivery region in the future time period according to the delivery pressure parameters. According to the embodiment of the invention, the method can achieve the prediction of the delivery pressure in advance, facilitates the employing of a coping strategy timely, and facilitates the timely reduction of the pressure of the delivery region and the scheduling pressure of a logistics scheduling system.

The present invention discloses a variable weight combined forecasting method-based electric power load short-term forecasting method. According to the present invention, aiming at the disadvantages that a conventional single load forecasting model and a fixed weight combined forecasting model are low in forecasting accuracy, and by comprehensively considering the time correlation of the electricpower loads and the influence of other related factors on the electric power loads, and combining various electric power load forecasting models, a variable weight combined forecasting model of the electric power load short-term forecasting is established. Meanwhile, aiming at the disadvantage that a particle swarm optimization variable weight parameter combined forecasting method traps in a localoptimal solution easily, a parameter dynamic adjusting particle swarm optimization algorithm is established, thereby realizing the optimization solution of the weight parameters of the variable weight combined forecasting model, and finally realizing the short-term forecasting of the electric power loads. The combined forecasting model of the present invention is better than a conventional load forecasting method, a fixed weight combined forecasting method and a particle swarm optimization variable weight parameter combined forecasting method, and has the higher forecasting accuracy.

The invention discloses a method for the two-way hoisting construction of a converter tower steel structure, which comprises the following steps of: firstly, performing construction from a first layer to a fourth layer in a mode of hoisting steel columns by using a tower crane, hoisting a frame beam on the fourth layer by using a truck crane, and after the frame beam on the fourth layer is welded completely, paving a flat pallet immediately, so that an integral converter tower with seven layers is divided into an upper part and a lower part; secondly, for the upper part, performing layer-by-layer construction from bottom to top by adopting a forward hoisting method in a mode of hoisting the steel columns and the frame beam by using the tower crane; and finally, for the lower part, performing the layer-by-layer construction from top to bottom by adopting a backward hoisting method which is synchronous with the forward hoisting method in a mode of hoisting the frame beam by using the truck crane. In the method, starting from a platform of the fourth layer, platforms on the upper part of the converter tower are constructed by utilizing the tower crane, platforms on the lower part of the converter tower are hoisted by utilizing the truck crane to push towards the next layer, and the construction and installation are performed simultaneously by a method of combining forward hoisting and backward hoisting to form a dual working face, so that the efficiency is improved greatly, and the construction period is shortened.

The invention discloses a wind power plant cluster scheduling method with consideration of prediction error distribution characteristics. The wind power plant cluster scheduling method is specifically used for scheduling a wind power plant cluster. The wind power plant cluster scheduling method has the advantages that historical error probability distribution characteristics are analyzed by a statistical process on the basis of historical predicted wind power data, and an optimization objective includes minimizing the sum of values of mathematical expectation of shortage of wind power outputted by various wind power plants after active power instructions are issued by the wind power plant cluster, so that active power instructions which are issued by a system to the wind power plant cluster can be completed to the greatest extent; by the method, power difference caused by the fact that active power outputted by existing wind power plants cannot meet cluster scheduling requirements due to wind power active prediction errors can be reduced, system scheduling participation ability of the wind power plants is improved, and accordingly the system scheduling pressure is relieved.

The invention discloses a large-section tunnel support removing and replacing and secondary lining construction method. The method comprises the steps of cutting off a lower layer middle partition wall, constructing an inverted-arch waterproof structure, constructing a secondary lining inverted arch, cutting off a lateral temporary inverted arch, putting up a full hall scaffold template support system of a secondary lining structure, constructing a lateral wall waterproof structure, constructing a secondary lining lateral wall, cutting off an upper layer middle partition wall, constructing a top arch waterproof structure, constructing a secondary lining top arch, demolishing the full hall scaffold template support system, and cutting off the middle partition walls preserved in the second step and the eighth step. According to the large-section tunnel support removing and replacing and secondary lining construction method, the bearing capacity of the temporary structure itself is innovatively utilized, the temporary structure and the full hall scaffold template support system which is erected during secondary lining construction are combined, a conventional support removing and replacing system is replaced, the bearing capacity of the support removing and replacing system is improved, the primary construction section is stretched to 9 m from 6 m, the construction method of a large-section tunnel is sharply simplified, the content of a construction technology is simplified, the construction efficiency is improved, and the work dangerousness is lowered.

The invention discloses a job scheduling method and device and a distributed system. The distributed system at least comprises a center node, multiple control nodes connected with the center node and multiple calculation nodes connected with the control nodes respectively; the center node distributes tasks of a job to all the control nodes; the control nodes schedule all task slices to run in the calculation nodes connected with the control nodes. The method comprises the steps that the first control node scheduling the first task notifies the second control node scheduling the second task to acquire running data generated by at least one task slice of the first task when at least one task slice of the first task finishes running; the second control node acquires the running data generated by at least one task slice of the first task, distributes the running data to each task slice of the second task and schedules at least one task slice of the second task to run, and the running data is processed. According to the embodiment, scheduling efficiency is improved, and the resource utilization rate is increased.

The invention, which belongs to the technical field of subway construction, provides a trackless measurement construction method for an inner ring network of a subway tunnel. The method comprises: step one, determining a starting mileage and calculating a coordinate of a starting point; step two, calculating a measuring starting point and a designed track surface elevation of one corresponding point position at an interval with a preset distance N2; step three, locating and marking the designed track surface elevation position based on the measuring starting point; step four, with the measuring starting point as a starting point, measuring and marking a designed track surface elevation of one corresponding point position at an interval with the preset distance N2; step five, measuring a slope distance in a shield tunnel by using a total station and taking an average value; step six, determining a mounting height position of a ring network bracket; and step seven, carrying out spot checking and rechecking in the measuring process. With the trackless measurement construction method, the entrance time is advanced substantially; the mounting height measurement and construction of the bracket are performed before track laying construction, so that the working period pressure is reduced in the follow-up procedure, the intersected construction interference is reduced and the construction efficiency is improved.

The invention relates to a regional energy internet uncertain optimal scheduling method and a regional energy internet uncertain optimal scheduling system. The regional energy internet uncertain optimal scheduling method comprises the steps of: acquiring random variable data; generating a plurality of scenes based on error probability distribution of the random variables; reducing the plurality ofscenes to obtain a typical scene; processing the typical scene to obtain a discrete combinatorial optimization scene; performing optimization by means of a long-time uncertain optimal scheduling model according to the discrete combinatorial optimization scene, and correcting an optimization result according to a short-time rolling correction model. The regional energy internet uncertain optimal scheduling method and the regional energy internet uncertain optimal scheduling system are conductive to improving distributed energy penetration rate, cope with uncertain fluctuations of an intermittent energy source, and alleviate the scheduling pressure of the next-level time scale.

The present invention provides a virtual power plant scheduling method and system. The method comprises the steps of: selecting a preset number of wind power plant output scenes, photovoltaic output scenes and electricity price scenes in the same time period in a preset scene library according to a scheduling period; determining the working state and the market electricity price of the corresponding pumped storage power station based on the output scene of each wind power plant, the photovoltaic output scene, the bilateral contract electricity quantity in the scheduling period and the electricity price scene; obtaining a wind power plant output scene, a photovoltaic output scene, the output of the pumped storage power station and the output of the traditional power plant at the maximum profit of the virtual power plant according to the working state of the pumped storage power station, the market electricity price, the power generation cost of the traditional power plant and the starting cost; and performing day-ahead scheduling based on the wind power plant output scene, the photovoltaic output scene, the output of the pumped storage power station and the output of the traditionalpower plant. According to the method and system, the uncertainty of power grid dispatching caused by fluctuation of large-scale distributed power supply access to the power grid, distributed energy output and network load is solved.

The invention relates to a computer vision power flow chart-based power grid fault diagnosis method and system. The method comprises the steps of generating a current computer vision power flow chartof a power grid according to current power flow data of the power grid; and then carrying out fault diagnosis on the power grid by using a predesigned power grid fault diagnosis model according to thecurrent computer vision power flow chart of the power grid, wherein the predesigned power grid fault diagnosis model is obtained by using historical power flow data of the power grid and the corresponding fault type of the power grid as training data. By adopting the computer vision power flow chart-based power grid fault diagnosis method and system, the type and location of a power grid fault can be quickly and accurately diagnosed, the problem of poor portability in a traditional diagnosis technology is solved and the data scheduling pressure of the power grid is reduced.

The invention belongs to the technical field of building high-rise tube well mounting construction, and particularly relates to a super high-rise tube well stand tube upside-down mounting construction method. The super high-rise tube well stand tube upside-down mounting construction method comprises the following steps that S100, a building is divided into three construction sections including a low area, a middle area and a high area according to the number of floors; S200, a tube well stand tube is transported to the position of the corresponding tube well of the first layer, a main hoist is mounted on the highest layer of the low area, an auxiliary hoist is mounted on a top plate of the tube well of the first layer, and construction is carried out in sequence from the high area to the low area; S300, at the position of the first-layer tube well, a main hoist located at the top plate of the highest-layer tube well in the low area is used for lifting and hoisting the first section of pipeline; S400, the auxiliary hoist at the top plate of the first-layer tube well is used for lifting a vertical second section of pipeline; S500, positioning of the first section of pipeline and the second section of pipeline is adjusted, overall lifting is carried out, and the steps are sequentially repeated for welding and lifting till the whole vertical tube is connected; S600, pipeline connection of other vertical tubes in the high area is carried out; and S700, the step S200 and the step S600 are repeated, and the vertical tubes of the middle area construction section and the low area construction section are sequentially constructed.

The invention relates to a Pod scheduling method and system in a Kubernetes cluster. A plurality of working nodes in the cluster form a one-way annular topological structure, the plurality of working nodes comprise a leader node, the leader node communicates with a management plane node, and the Pod scheduling method in the Kubernetes cluster comprises the steps that the leader node pulls a metadata set from the management plane node, so a to-be-operated Pod list is determined; the Pod scheduling operation is carried out on each Pod in the to-be-operated Pod list and the working node in the topological structure of the large node in sequence until the working node for operating the Pod is determined, so the problem that in the related technology, under the condition that the number of the working nodes in the Kubernetes cluster is large, the management plane node bears a bigger scheduling pressure; therefore, an effect of reducing the scheduling pressure of the management plane nodes is achieved.

The invention discloses a track-type heightening frame device for heightening construction of pier body steel bars and a heightening method of the track-type heightening frame device. The problems that in the prior art, high-pier steel bars cannot move directionally in space, during heightening construction, lengthening is difficult, workers are fatigable, the efficiency is low, and safety is loware solved. The track-type heightening frame device comprises a base, supporting frames, an I-shaped traveling track, electric hoists, connectors, steel bar parts and sleeves. The heightening method mainly comprises the steps that the track-type heightening frame device is designed and manufactured firstly and then mounted, then the steel bars are moved in the vertical direction and then moved inthe horizontal direction, then the to-be-heightened steel bars are mounted in a heightening mode, and after all the steel bars at the same working section of a pier body are heightened according to the method, the track-type heightening frame device is hoisted to the ground for standby application. The track-type heightening frame device can well complete heightening work of the pier body steel bars, is less affected by the construction environment condition, and is convenient to machine, low in consumable quantity, easy to operate, high in heightening construction efficiency and high in construction safety.

Provided are quick existing roadbed compaction and reinforcement device and a reinforcement method. The quick existing roadbed compaction and reinforcement device comprises a cylindrical rack providedwith two strip-shaped holes formed in a side wall, wherein compaction plates are arranged in the strip-shaped holes, seal heads and hydraulic cylinders are arranged at two ends of the rack, a base and a connecting rod frame are arranged in the rack, and the compaction plates are connected with a base through first connecting rods. The connecting rod frame is connected with the compaction plates through the connecting rods and is connected with the hydraulic cylinders. The damaged part of an existing roadbed is transversely drilled to form a pre-drilled hole transversely penetrating through the existing roadbed. The reinforcement device is put to the to-be-reinforced part in the pre-drilled hole, piston rods of the hydraulic cylinders push the compaction plates to extend out through the connecting rod frame and extrude the wall of the pre-drilled hole so as to form a compacted pre-drilled hole, and then cement mortar is injected. The steps are repeated to form a transverse composite foundation at the damaged part of the roadbed, and quick existing roadbed reinforcement is completed. By adopting the reinforcement method, the bearing capacity difference of the existing roadbed afterreinforcement is decreased to the greatest degree, and a bearing effect is uniform. The bearing capacity of the existing roadbed is improved by about 40-55%.

The invention relates to the technical field of evaluation and establishment of watershed hydropower quotation units, and relates to a method for establishing a power generation side quotation unit ina watershed hydropower participation power spot market, which comprises the following steps of: 1, establishing a quotation unit anti-risk capability secondary evaluation index system; 2, obtaining basic data of a basin power station, and determining all quotation unit building schemes; 3, calculating the unit adjustment capability, member aggregation, longitudinal connectivity, capacity aggregation degree, necessary operation elasticity index, power generation cost, expected risk index, internal speaking right, unit complexity index, unit boring degree, unit looseness and unit specificity index of each scheme; 4, performing normalization processing, and calculating an anti-risk capability index of the unit; 5, constructing a quotation unit to construct a decision model; and 6, selectingan optimal quotation unit establishment scheme. According to the invention, the optimal quotation unit establishment method can be selected, the market quotation risk is hedging through establishmentof the quotation units, and thus the own benefits are guaranteed.

The invention discloses a resource utilization ratio adjusting method and device, electronic equipment and a medium. The method comprises the following steps: calculating a wind power density daily data variable coefficient based on the wind power density of wind energy in a past first preset time period; calculating a slope total irradiance daily data variation coefficient based on the slope total irradiance of solar energy in a past first preset time period; according to different resource utilization ratios, calculating a complementary sequence variable coefficient after wind energy and solar energy are superposed; based on the wind power density daily data variable coefficient, the slope total irradiance daily data variable coefficient and the complementary sequence variable coefficient, determining the stability improvement time of the complementary sequence of the wind energy and the solar energy in a second preset time period; the second preset time period is longer than the first preset time period; and determining a target resource utilization ratio based on a time for improved stability of a complementary sequence of wind and solar energy. The method can obtain clean energy to the maximum extent, and can also reduce the dispatching pressure of the power grid.

The invention provides an online small-batch data processing method and device, equipment and a storage medium, which can be applied to the financial field or other fields. The method comprises the following steps: generating a next-day operation instance table according to a next-day schedule before daily switching, and writing the next-day operation instance table into a cache module, wherein the job instance table comprises specified execution time of a corresponding operation task; and sending a scheduling updating instruction to an executor, so that the executor obtains the corresponding operation task from the operation instance table of the cache module and executes the operation task according to the appointed execution time of the corresponding operation task. According to the specification, the dispatching pressure of a dispatching center in a service scene between online and batch is relieved.

The invention discloses a device monitoring method for a BMC (Baseboard Management Controller). The device monitoring method comprises the following steps: acquiring an over-limit signal sent by a monitoring device; according to the overrun signal, reading monitoring data in the monitoring device; according to the monitoring data and a monitoring threshold value of the monitoring type device, determining an over-limit event of the monitoring type device; wherein the over-limit event comprises an over-high event and/or an over-low event; according to the invention, by acquiring the overrun signals sent by the monitoring devices and utilizing the hardware resource advantages of the monitoring devices, the work of capturing the events exceeding the limit value is realized by the monitoring devices at the bottommost layer, so that the asynchronous IO replaces the existing polling scheme, and the monitoring devices are accurately monitored in real time; the scheduling pressure of the BMC is relieved, and the system process response speed is guaranteed; the invention further discloses a device monitoring device of the BMC, the BMC and a computer readable storage medium, which also have the above beneficial effects.