51results about How to "Meet time requirements" patented technology

The method is suitable for applying a small interference stability online control policy or a set offline policy in controlling practical generated low-frequency oscillation. A low-damping mode of a power grid is obtained by small interference stability calculation; control measures for improving the damping of all low-damping modes to different grades are respectively calculated, and oscillationcenters of all the low-damping modes are confirmed according to the physical characteristics of the oscillation centers; and the power grid is divided into two independent networks in the oscillationcenters. When the power grid generates low-frequency oscillation, a candidate mode set is screened by adopting the frequency in an actual measurement leading mode, a mode corresponding to the actual measurement leading mode is confirmed according to actual measured equipment grouping information, and the corresponding control measure is confirmed according to a difference of the actual measurement leading mode damping and a critical safety damping threshold value. If the mode corresponding to the actual measurement leading mode does not exist, the auxiliary decision information is obtained from an offline policy table. Finally, the corresponding control policy is applied by an automatic generation control (AGC) system or an automatic control system of a power plant.

The invention discloses equipment, a system and a method for data backup. The method for data backup comprises the steps: by taking a time interval T as a period, computer equipment is used for backing data up on an external storage device by adopting a first backup method; by taking a characteristic tag of the first backup method as an input value, the computer equipment is used for generating a sequence by using a sequence generating algorithm, wherein the sequence is formed by two elements of different states and is M in length; during the period T of the first backup method, by taking a time interval t as a period, the computer equipment is used for backing the data up on the external storage device respectively by adopting a second backup method and / or a third backup method according to the two elements of different states of the sequence, wherein M is greater than or equal to 1 and is an integer; when mod (T, t)=0, M=(T / t)-1; when mod (T, t) is larger than 0, M=[T / t].

The invention discloses a Multi-satellite continuous observation planning and scheduling method for ground regional targets, belonging to the aerospace technical field. A method for realize that invention comprises the follow steps: according to the observation demand of the task, determining the available satellite resource parameter, and decomposing the regional target into a plurality of sub-regional targets according to the satellite resource parameters; Solving the visible window of the satellite to the sub-target, fusing the windows to obtain the large visible window; According to the parameters of satellite and large visible window, determining automatically the parameters of population model, establishing multi-population model, defining sub-population fitness function and constraint function , and solving each sub-population by genetic algorithm, and acquiring the sub-population planning and scheduling scheme. According to the constraint value and fitness, the autonomous selection strategy is used to select the optimal scheme in the subpopulation planning and scheduling. The invention can meet the requirement of continuous observation time length and the requirement of saving satellite resources, and realizes the planning and scheduling of continuous observation tasks of multi-satellite area targets in a flexible and autonomous manner with high efficiency.

The invention discloses a method and a structure for constructing a permanent soil-nailed retaining wall by woven fabric bags filled with soil. The invention is characterized in that the soil is firstly taken and filled in woven fabric bags to obtain the woven fabric bags filled with the soil, then the woven fabric bags filled with the soil are arranged for filling to obtain a retaining wall formed by the woven fabric bags filled with the soil; holes are drilled in the retaining wall formed by the woven fabric bags filled with the soil, soil-nailed steel bars and grouting pipes are arranged in the drilled holes, the grouting is carried out by the grouting pipes, and a reinforced concrete surface layer is produced on the outside and the top of the retaining wall formed by the woven fabric bags filled with the soil, thereby obtaining the permanent retaining wall. The invention is applied in emergency repair projects and can carry out the phased construction, the part of forming the retaining wall by the woven fabric bags filled with the soil is firstly constructed, the road traffic is restored, the emergency disaster relief is completed, the grouting, the hole drilling and the concrete surface layer are further constructed after restoring to normal state, and the construction of the permanent retaining wall by the woven fabric bags filled with the soil is finally completed. The project time is short, thereby being capable of meeting the time need of the emergency repair projects. The filling part of the woven fabric bags filled with the soil is taken as an effective component part of the permanent retaining wall and does not need to be removed, thereby saving engineering cost.

The invention discloses a clamp for a sliding abrasion test. The clamp is especially suitable for stably clamping two workpieces for the test through a first clamping assembly and a second clamping assembly under the high-temperature and high-pressure water or steam environment, left horizontal, even and stable pressing force and right horizontal, even and stable pressing force which are the same in magnitude are provided for the two workpieces through a pressing assembly, a friction coefficient and an abrasion coefficient between a tube and a plate are quantitatively measured, loading control and measuring are stable, and operation is easy and convenient. The clamp is reasonable in structural design and functional design. The clamp can effectively control an infinitesimal displacement amplitude between the two workpieces in the testing process, guarantee even and stable loading under the high-temperature and high-pressure water or steam environment for a long time and meet the requirement for time of the abrasion test. The clamp is minimal in size, the volume in an autoclave is reduced, the equipment manufacturing cost and the running cost are reduced, and the problem of measurement of the friction coefficient and the abrasion coefficient of the fretting abrasion test under the high-temperature and high-pressure water or steam environment is solved.

The invention relates to a method and system for detecting a distributed power supply isolated island. The method comprises the following steps: periodically transmitting a power frequency modulation signal at a 10kV bus of a substation, and transmitting the power frequency modulation signal to a distributed power supply side through a power line; sampling a transmission signal in the power line on the distributed power supply side to obtain a voltage receiving signal; acquiring periodic synchronous detection information and energy time distribution information of the voltage receiving signal according to the voltage receiving signal; and performing isolated island operation detection on the distributed power supply side by combining the periodic synchronous detection information and the energy time distribution information. By adopting the scheme, isolated island operation of a corresponding distributed power supply can be detected in two seconds of the isolated island operation of the distributed power supply, and the time requirement for detecting the distributed power supply isolated island can be met.

The invention discloses a method and a structure for constructing a permanent retaining wall by woven fabric bags filled with soil. The invention is characterized in that the soil is firstly taken and filled in woven fabric bags to obtain the woven fabric bags filled with the soil, then the woven fabric bags filled with the soil are arranged for filling to obtain a retaining wall formed by the woven fabric bags filled with the soil, then a shock tube is arranged in the retaining wall formed by the woven fabric bags filled with the soil, cement slurry or cement mortar is injected into the shock tube, and a reinforced concrete surface layer is produced on the outside and the top of the retaining wall formed by the woven fabric bags filled with the soil, thereby obtaining the permanent retaining wall. The invention can carry out the phased construction, the part of forming the retaining wall by the woven fabric bags filled with the soil is firstly constructed, the road traffic is restored, the emergency disaster relief is completed, the shock tube and the concrete surface layer are further constructed after restoring to normal state, and the construction of the permanent retaining wall by the woven fabric bags filled with the soil is finally completed. The filling part of the woven fabric bags filled with the soil is taken as an effective component part of the permanent retaining wall and does not need to be removed, thereby saving engineering cost.

The invention relates to a tumor-driven gene mutation detection agent and a tumor-driven gene mutation detection kit and application thereof. The tumor-driven gene mutation detection agent comprises an HER2 gene mutation detection agent, wherein the HER2 gene mutation detection agent comprises 21 positive primers, 3 negative primers and 3 probes. The tumor-driven gene mutation detection agent candetect multiple mutation types of an HER2 gene at a time, is relatively high in detection sensitivity, rapid in detection and simple in operation, and can meet the time requirement of clinical rapid detection.

The invention discloses a data storage method, which comprises the following steps of: grouping input data, wherein the group number of the data is determined by the number of nodes processing the data; sequentially allocating a group of data to be processed to each node, and performing parallel continuous identification (ID) processing on corresponding data by utilizing each node, wherein the continuous ID processing refers to the replacement of a keyword in the data into an integer from 0 to N; and storing the data obtained by the continuous ID processing. By the method, the data can be subjected to the parallel ID processing, so that the storage time is saved. The invention also discloses a corresponding device.

The invention relates to the technical field of unmanned aerial vehicles, in particular to an RFID-based unmanned aerial vehicle intelligent hangar material checking and optimizing method. The methodcomprises an unmanned aerial vehicle intelligent hangar material checking method and an unmanned aerial vehicle intelligent hangar material checking optimization method. The unmanned aerial vehicle intelligent hangar material checking method comprises warehousing management, ex-warehouse management, ex-warehouse optimal solution and in-warehouse management. The unmanned aerial vehicle intelligenthangar material checking optimization method comprises optimization of interference labels and false alarm problems and optimization of missing alarm problems. The advantages of the RFID technology ininventory of the hangar are studied, traditional manual inventory is replaced, the construction requirement of the intelligent hangar is met, and the functions of automatic warehouse-in, warehouse-out, warehouse-in and entrance guard information, video, operator association and the like in an environment security monitoring system are achieved; According to the method, the inventory efficiency ofunmanned aerial vehicle hangar materials is greatly improved, the personnel cost and the management complexity are reduced, and the unmanned aerial vehicle ex-warehouse combat efficiency is improved.

The invention provides a coal slime indirect drying system. The coal slime indirect drying system comprises a first conveyor, a blender mixer, a feeding machine, a dryer and a second conveyor. The output end of the first conveyor is connected with the first input end of the blender mixer. The output end of the blender mixer is connected with the feeding end of the dryer through the feeding machine. The discharging end of the dryer is connected with the input end of the second conveyor. The first output end of the second conveyor is connected with the second input end of the blender mixer. Thesecond output end of the blender mixer is used for outputting dried coal slime. The blender mixer is used for mixing the coal slime provided by the first conveyor and the second conveyor and conveyingthe coal slime to the dryer through the feeding machine. The dryer can make the coal slime slowly overturn, and meanwhile, the coal slime is heated and dried indirectly by using steam. By means of the coal slime indirect drying system, the environmental pollution in the drying process can be reduced, the drying efficiency is improved, and the energy consumption is reduced.

A multifunctional cable automatic take-up device relates to the technical field of cable processing equipment, and is characterized in that an empty disc conveying mechanism is loaded with a plurality of cable discs and is arranged on one side of a device body; the positioning and disc feeding assembly receives the cable disc advancing from the empty disc conveying mechanism, performs positioning and pushes the positioned cable disc to the position of the take-up and film coating assembly; the take-up and film wrapping assembly is used for take-up and film winding; the cable arrangement traction assembly is used for pulling the cable so that the take-up and film winding of the take-up and film winding assembly can be facilitated. And the lifting mechanism separates the full disc from the self-take-up film coating assembly. The multi-disc automatic feeding and discharging of the cable reduces the time for manually and frequently preparing empty discs and taking full discs, reduces the labor intensity, and reduces the use cost of personnel. And a plurality of processes such as take-up, film coating, marking and labeling are integrated, so that the production process is saved, and the production efficiency is improved. The device is high in automation degree, solves a series of problems of inner section head leaving detection, outer end fixed film coating, real-time marking and the like, and is simple in structural design and low in equipment cost.

The invention provides a distributed photovoltaic ultra-short-term generated power prediction method and system, and belongs to the technical field of power dispatching. The prediction method comprises the following steps: S1, training based on sample data to obtain a distributed photovoltaic power prediction model; s2, according to real-time generated power and weather forecast data, utilizing the distributed photovoltaic power prediction model to carry out generated power prediction; the step S1 comprises the following steps: S11, acquiring sample data, wherein the sample data comprises historical power generation power and historical meteorological data; s12, performing normalization processing on the sample data; s13, establishing an LSSVM (least square support vector machine) prediction model; s14, optimizing kernel parameters of the LSSVM model by using a particle swarm algorithm; and S15, constructing a distributed photovoltaic power generation power prediction model. According to the invention, by constructing the generation power prediction model and the prediction system, distributed photovoltaic online prediction modeling and model online training optimization are realized, high-precision power prediction data are output, and the new energy grid-connected access and consumption management level is improved through auxiliary scheduling.

The invention discloses a power failure alarm method, a power failure alarm processing method and a device, which is used for ensuring that a power failure alarm message can be sent in time and a power failure alarm can be processed in time. The method comprises the step that network equipment gives a power failure alarm to a controller by adopting a first message generated on the basis of an openflow protocol when determining that the working voltage of the network equipment is lower than a set voltage threshold. Various types of messages based on the openflow protocol are processed by a forwarding chip in the network equipment, and the forwarding chip has the highest processing speed and the highest processing priority in the network equipment, so that the processing speed can meet the time requirement of a last word function, the timely processing of a power failure event is effectively guaranteed, and the service quality of an SDN is guaranteed.

The embodiment of the invention provides a commodity screening method, a device, a medium and an electronic device. The method comprises the following steps: obtaining description information of a target commodity, wherein the description information comprises time-effect information and basic information of the target commodity; Screening according to the basic information of the target commodityto determine a first screened commodity; According to the prescription information, the first screened commodity is screened according to the acquired first location information of the first screenedcommodity and the acquired second location information of the target commodity, and the second screened commodity is determined. The technical proposal of the embodiment of the invention avoids the problem that the time-effect information and the basic information describing the target commodity jointly participate in the commodity screening process, and the commodity screening result does not match the real intention of the user. By screening the second screened product again according to the time effect information and the location information in the description information of the target product, the purpose of obtaining the product satisfying the time effect demand of the user is achieved, and the user query experience is improved.

The invention discloses a business processing method and device, and belongs to the technical field of communication. In the embodiment of the invention, after a second message is received and the second message is not sent out, if the first message is received again, a forwarding node can determine the sending sequence of the two messages according to the current urgency degree information of thetwo messages at the current node, wherein the current urgency degree information is used for indicating the forwarding emergency degree of the corresponding message at the current moment. Then, the forwarding node can send the two messages according to the determined sending sequence. Therefore, according to the business processing method provided by the embodiment of the invention, the requirement of the time-sensitive business on the forwarding time delay can be met without strict cooperation and accurate cooperation between the sending node and the forwarding node, and the implementation difficulty is reduced.

The invention discloses a method and a device for processing data. The device comprises a grouping module, a processing module and a memory module, wherein the grouping module is configured to group the input data, wherein the data group numbers are determined according to nodes which process the data; the processing module is configured to distribute a group of data to be processed to each node sequentially and utilizes the nodes to carry out parallel continuous identification (id) processing on the respective corresponding data, wherein the continuous id processing is that the keyword in the data is replaced by integers of 0-N; the memory module is configured to store the data after the continuous id processing, wherein the processing module is also configured to calculate the initial id number of arbitrary node; and the node data is identified according to the initial id number of the node. After the device is adopted, the data can be subjected to parallel continuous id processing, so that the storage time is saved.

The invention relates to the technical field of refrigeration, in particular to a dynamic-seal dynamic closed-loop water channel circulating device for a magnetic refrigerator. The dynamic-seal dynamic closed-loop water channel circulating device comprises dynamic-seal slide slots and a rotary grid. The dynamic-seal slide slots are used for sealing refrigerants of the magnetic refrigerator, each slide slot is divided into the inner side and the outer side which are of multi-layer labyrinth rotary dynamic-seal structures, the inner side and the outer side of each slide slot are in dynamically slide seal, and water inlets and water outlets are attached onto the slide slots, so that a part of a dynamic water channel is formed. Besides, the rotary grid is used for holding magnetic working media, and the rotary grid and the dynamic-seal slide slots form a slide seal unit for forming the circulating water channel with the water inlets and the water outlets. The device can be used as a water cooling mechanism for the rotary magnetic refrigerator to complete heat exchange in a magnetic refrigeration process.

A method for optimizing working parameters of three-dimensional prospecting by frequency-domain conductive electrical method for exploring anomalous areas. This method analyzes the distribution of the exploration anomaly area, the terrain level of the exploration area, the device type of the frequency domain conduction method, the number of channels for simultaneous power supply of the transmitter, the designed exploration depth, and the minimum length, width, and thickness of the electrical anomaly to be explored. Size requirements, the electrical difference between the electrical anomaly body to be explored and the surrounding rock, and the exploration time requirement coefficient, etc., obtain the optimized working parameters of the frequency-domain conduction method through specific formulas, such as the scope of the exploration area, point distance, Line distance, distance between power supply points, number of power supply points, at least the total number of optional channels for the receiver of the electrical instrument, etc. This method can obtain better working parameters of the frequency-domain conduction method, so that reliable exploration results can be obtained with more reasonable time and economic cost. This method is suitable for exploration work in exploration areas with many anomalous bodies and little known information.

The invention discloses a double-ECU high-pressure common rail fuel control system and method for a high-strength diesel engine, and belongs to the technical field of engines. According to the system, a main ECU and an auxiliary ECU are adopted to control two oil injectors respectively to inject high-pressure fuel to the same air cylinder, and compared with the use of a single ECU, the fuel pressure in two high-pressure common rails is controlled more flexibly and reliably, and the combustion and emission quality of the high-strength diesel engine is improved; the two two injectors are adopted to provide fuel, so that fuel supply required under a high load can be completed within short oil injection duration, and the aging requirement of the high-strength diesel engine on fuel supply is met; and meanwhile, by matching and adjusting the mounting angles of the main oil injector and the auxiliary oil injector, the jet energy of high-pressure fuel injection is used for organizing airflow to promote mixing of the fuel and the air in the cylinder, and good combustion of the high-strength diesel engine is achieved.

The invention discloses a method and a device for processing data. The device comprises a grouping module, a processing module and a memory module, wherein the grouping module is configured to group the input data, wherein the data group numbers are determined according to nodes which process the data; the processing module is configured to distribute a group of data to be processed to each node sequentially and utilizes the nodes to carry out parallel continuous identification (id) processing on the respective corresponding data, wherein the continuous id processing is that the keyword in the data is replaced by integers of 0-N; the memory module is configured to store the data after the continuous id processing, wherein the processing module is also configured to calculate the initial id number of arbitrary node; and the node data is identified according to the initial id number of the node. After the device is adopted, the data can be subjected to parallel continuous id processing, so that the storage time is saved.

The invention belongs to the technical field of material conveying, solves the technical problem that a conveying device in existing printing equipment is larger in size, and provides a circulating storage device and printing equipment. The circulating storage device comprises a material storage mechanism and a circulating mechanism, wherein the material storage mechanism is used for receiving and temporarily storing materials; the circulating mechanism is in transmission connection with the material storage mechanism; and the circulating mechanism is used for driving the material storage mechanism to circulate between the feeding end and the discharging end of the circulating storage device. Due to the fact that the circulating storage device is provided with the material storage mechanism for temporarily storing the materials, under the condition of a conveying device with the same length, the conveying time of the materials is prolonged, the size of the circulating storage device is relatively reduced, the occupied area of the circulating storage device is reduced, and the technical effect of improving the space utilization rate of the circulating storage device is achieved.

The invention belongs to the technical field of charging devices, and discloses a mobile charging device and control method of an electric automobile and a computer program. The device is provided with a box body, wherein a handle key is welded above the box body, a switch and a control panel, wherein the switch and the control panel arranged on an inclined surface of the box body, a display screen, wherein the display screen is in key connection with the middle part of the inclined surface, a charging clamping interface, wherein the charging clamping interface is arranged below the box body,a charging connector, wherein the charging connector is clamped at the charging clamping interface, universal wheels, wherein the universal wheels are welded at four corners of the bottom of the box body through supporting rods, a discharging clamping interface, wherein the discharging clamping interface is arranged on the right side of the display screen, a discharging connector, wherein the discharging connector is clamped at the discharging clamping interface, a single-chip microcomputer, a time controller and a storage battery which are arranged in the box body. The device is simple to useand has complete functions, avoids the problem of a prior fixed charging mode of the electric automobile, enables the electric automobile to be charged anytime and anywhere, improves the cruising capacity of the prior electric automobile, provides convenience for people who go out for play and go out, and has good market promotion value.

The invention discloses an online dust discharging method based on a dust remover. The method comprises the following steps: regularly brushing dust on a filter cartridge or a filter screen, arranging a spray head at the lower part in the dust remover for spraying water, melting the brushed dust in water and discharging the dust from a water outlet pipe, and providing a water source for the spray head by a water tank; arranging a purification tank below the water outlet pipe and dividing into a dirty water area and a pure water area by a filter wall, arranging a filter barrel in the dirty water area, enabling dirty water discharged from the water outlet pipe to be filtered by the filter barrel and then enter the dirty water area, and enabling the dirty water in the dirty water area to be filtered by the filter wall and then enter the pure water area to become pure water; and when dust is brushed off, supplementing purified water in the purified water area into the water tank. Therefore, sewage with larger dust content discharged from the water outlet pipe of the dust remover is firstly filtered by the filter barrel, most impurities can be filtered out in the filter barrel, dirty water passing through the filter barrel enters the dirty water area and permeates the filter wall, and purified water penetrating through the filter wall can be supplemented into the water tank, so that the aim of saving water is fulfilled, the methodr is more environment-friendly, and pipeline accumulation can be prevented.

The invention discloses a cold-chain logistics vehicle path selection method based on an improved particle swarm algorithm, which abstracts a logistics vehicle into particles, and comprises the following steps: S1, randomly generating a particle swarm, and setting parameters of the particle swarm; S2, randomly generating positions and speeds of all particles in the particle swarm; S3, calculatingthe fitness value of each particle in the particle swarm according to the fitness function after the particle swarm algorithm is improved; S4, updating the position and the speed of each particle in the particle swarm by tracking the individual extreme value and the global optimum of the fitness function in the step S3; and S5, determining whether a target condition is met, and if the target condition is met, obtaining an optimal solution; otherwise, returning to the step S3. According to the method, the particle swarm optimization algorithm is improved, multiple costs generated in emission and distribution of various greenhouse gases are comprehensively considered, and the total cost of the cold-chain logistics vehicle under each path is calculated, so that the optimal distribution path with less greenhouse gas emission and low distribution cost is selected.

The invention discloses a preparation method and application of a polyvinyl alcohol gel, comprising the following steps: preparing a polyvinyl alcohol aqueous solution with a concentration of 5wt.%-7wt.% under heating conditions; preparing the prepared polyvinyl alcohol aqueous solution It is mixed with carboxymethyl cellulose by heating, stirring, and then adding the crosslinking agent bis(triethanolamine) diisopropyl titanate to the mixed solution of polyvinyl alcohol and carboxymethyl cellulose, and stirring at room temperature to carry out the crosslinking reaction. After fluidity, a polyvinyl alcohol gel is formed. Compared with the traditional polyvinyl alcohol gel formed by borax and boric acid cross-linking agent, the stability and mechanical properties of the polyvinyl alcohol gel prepared by the invention are greatly improved, and the ratio of polyvinyl alcohol polymer and titanate cross-linking agent is adjusted by adjusting The gel formation time of the polyvinyl alcohol gel can be accurately regulated to prepare polyvinyl alcohol gels that meet various gel time requirements.