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45results about How to "Reasonable control" patented technology

Automatic material distribution system and material distribution method for sandstone aggregate bin

The invention relates to the technical field of aggregate conveying and storage equipment, in particular to an automatic material distribution system and method for a gravel aggregate bin. According to the automatic material distribution system for the gravel aggregate bin, the bin comprises a plurality of discharging openings, the interior of the bin is divided into discharging areas with different priorities, a data acquisition module is installed on the bin and used for acquiring three-dimensional point cloud data of aggregate in the bin in real time, the three-dimensional shape of the aggregate is established according to the acquired three-dimensional point cloud data of the aggregate in the bin, and the three-dimensional shape of the aggregate is obtained according to the three-dimensional shape of the aggregate. And the control module is used for selecting one unloading area as a distribution target position and controlling the distribution trolley to distribute at the distribution target position. The method has the following effects: firstly, the target position of the cloth is determined by adopting a mode of selecting the priority of the cloth; secondly, the material level values of the unloading areas with different priorities in the stock bin can be accurately calculated; and thirdly, the material distribution target position is updated in real time, the material distribution trolley is controlled to move to the material distribution target position, and real-time, accurate and automatic control is achieved.
Owner:FUJIAN SOUTHERN HIGHWAY MECHANICAL CO LTD +1

Multi-time scale reactive voltage coordination control method for offshore wind plant

The invention discloses a multi-time-scale reactive voltage coordination control method for an offshore wind power plant. The method comprises the following steps: collecting actually measured data of the wind power plant; inputting measured data of the wind power plant into a reactive power-voltage coordination control model constructed based on a depth deterministic gradient strategy to obtain a model output action; determining reactive power output values of the wind turbine generator and the reactive power compensation device according to the model output action, and performing coordination control on the wind power plant according to the determined reactive power output values of the wind turbine generator and the reactive power compensation device. According to the method, an interaction mechanism of continuous trial and error between individuals and the environment in a deep reinforcement learning algorithm is adopted, the operation control instruction of the wind power plant is obtained from input data by using good generalization ability of the deep neural network, and reactive voltage regulation and control of the wind power plant in an unknown environment are realized. According to the established objective function, the reactive power regulation equipment with different response time can be ensured to be reasonably regulated and controlled, and more dynamic reactive power reserve can be reserved for potential disturbance.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

Server access management method and device, electronic equipment and storage medium

The invention discloses a server access management method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring access traffic information corresponding to an access behavior received by a gateway server; determining one or more access information features according to the access traffic information; analyzing the one or more access information features through a traffic recognition model obtained through training to obtain server features corresponding to the access information features; and according to the server characteristics and an access strategy corresponding to the client, judging whether the client has an access permission, if so, allowing the access behavior of the client, and if not, refusing the access behavior of the client. Through the access management method and device of the server, the electronic equipment and the storage medium, the access of the server can be managed and controlled more reasonably and effectively, the intelligent degree of management of the access of the server is improved, and the protection capability of the access security of the server can be further improved.
Owner:CHINA UNICOM (GUANGDONG) IND INTERNET CO LTD

Method and device for controlling take-off and landing of unmanned aerial vehicle under high density

The invention provides a control mode for flying take-off and landing of the unmanned aerial vehicles under high density, an efficient and safe take-off and landing organization mode is designed in an airspace near a take-off and landing point of the unmanned aerial vehicles according to the thought of taking off from the outer side and landing from the inner side, and it is guaranteed that the unmanned aerial vehicle group safely and orderly completes take-off, queuing, landing and re-take-off. The Erlang model in the queuing wheel is combined to adaptively calculate the system average queuing length and the system average waiting time of the unmanned aerial vehicle warehouse returning scene under the high density, the index is sent back to the management and control system in real time, the management and control system overall plans the whole flight plan, and the whole operation capability and the capacity change condition of the system are evaluated; and a basis is provided for elastic adjustment of a dynamic flight plan and real-time flow prediction.
Owner:CRSC URBAN RAIL TRANSIT TECH CO LTD

Compressor oil level detection and protection device and refrigeration equipment

The invention discloses a compressor oil level detection and protection device and refrigeration equipment. The compressor oil level detection and protection device comprises a main control chip and at least one oil level detection contact arranged on an oil storage part of a compressor, and each oil level detection contact is connected to the main control chip through an oil level detection circuit; the main control chip is further connected with at least one adjusting module used for adjusting the oil return state of the compressor, and the trigger state of the adjusting module is set according to the trigger state of the oil level detection circuit. Compared with the prior art, oil level detection is achieved in a hardware circuit mode, meanwhile, oil return control is added, and the system energy efficiency is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

A method, device, medium and equipment for operating a pumped storage power station

PendingCN122371227Areasonable controlsure reasonablePower stationNew energy
This application discloses an operation control method, apparatus, medium, and equipment for pumped storage power stations. The method includes: obtaining the usage willingness of each bidding entity for each pumped storage power station, the usage willingness being determined based on the load information and renewable energy output information of each bidding entity; determining the equity parameters of each bidding entity using each pumped storage power station based on the power allocation ratio of each bidding entity to each pumped storage power station and the usage willingness of each bidding entity; determining the target bidding entities to which each pumped storage power station is allocated based on the equity parameters of each bidding entity; determining the pumping plan of each pumped storage power station based on the load information of the target bidding entities to which each pumped storage power station is allocated; and controlling each pumped storage power station to operate according to the corresponding pumping plan. This application can reasonably and accurately control pumped storage power stations.
Owner:EAST CHINA BRANCH OF STATE GRID CORP +1

Data processing method and device based on distributed system, electronic equipment and medium

The present disclosure provides a data processing method based on a distributed system, a data processing device based on a distributed system, an electronic device and a computer readable storage medium, belonging to the field of computer technology. The method comprises: obtaining the number of nodes of the data processing node, obtaining the number of distributed models included in the first model for processing data; the first model is processed in parallel through the distributed system; the distributed model is a part of the first model; determine the target step according to the number of nodes and the number of models; the subtasks of different time steps in the data processing task are allocated to the corresponding data processing nodes; the processing results of the subtasks are interacted according to the target step, so that the data processing node executes the subtasks of the subsequent time steps according to the processing results. The present disclosure can effectively and reasonably process data in a distributed system.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Integrated gas source box with independent turn-off function and operation method of integrated gas source box

The invention discloses an integrated gas source box with an independent turn-off function and an operation method thereof, and the integrated gas source box comprises a box body which is used for protecting internal installation parts and positioning the position. The integrated control assembly is arranged in the air source box, compressed air in the air source box can be reasonably controlled by the integrated control assembly, independent turn-off can be carried out, concentrated exhaust can be carried out, waste gas is prevented from remaining in the air source box to damage components, the convenience in use is improved, and the service life of the air source box is prolonged. Meanwhile, a portable connecting assembly is arranged on the integrated control assembly, operation during later maintenance of the integrated control assembly is facilitated, the maintenance efficiency is improved, and a tool storage assembly needed during later maintenance is arranged in the air source box in advance, so that necessary tools can be stored; and convenience is brought to workers during maintenance and overhaul, and tools needing to be used are prevented from being forgotten or lost in the working process.
Owner:JIANGSU XUTONG ELECTRIC CO LTD

Data security management and control method and system based on large language model

ActiveCN119272340Areasonable controlsure reasonableDigital data protectionNatural language data processing
The embodiment of the invention relates to the technical field of information, in particular to a data security management and control method and system based on a large language model. The method comprises the following steps: reading target data, and extracting attributes and content keywords of the target data by using a pre-accessed large language model; obtaining a data type of the target data according to the attribute and the content keyword; according to the attribute and content keyword and the attribute and content keyword of historical data, obtaining an association relationship between the target data and the historical data; and obtaining the security level of the target data according to the attribute, the content keyword, the data type, the association relationship and the security level of the corresponding historical data.
Owner:杭州半云科技有限公司

Optimization design method for double-target rotary heat dissipation flow channel structure

ActiveCN119622947AMeet cooling requirementsReliable theoretical supportGeometric CADDesign optimisation/simulationLower limitThermodynamics
The invention belongs to the technical field of engineering structure optimization, and particularly relates to a double-target rotary heat dissipation flow channel structure optimization design method which comprises the following steps: converting a three-dimensional model of a rotary structure into a pseudo three-dimensional model structure through a multilayer fluid-solid plane structure to obtain an optimized area plane; performing grid division on the pseudo three-dimensional model, and applying an obtained two-dimensional rotational flow motion rule required by an optimized area plane to the pseudo three-dimensional model in combination with a topological optimization method and a heat conduction effect between a heat source layer and a heat dissipation flow channel layer in the thickness direction; enabling the three-dimensional model to be equivalent to a fluid-solid thermal coupling effect between inner layers of the pseudo three-dimensional structure; carrying out single-target optimization analogue simulation on the optimized structure to obtain upper and lower limit thresholds under single-target optimization, taking the upper and lower limit thresholds as a reference basis for normalization processing of a double-target function, and carrying out weight influence research on the structure; and carrying out structure reconstruction on the optimized pseudo three-dimensional model, and arraying structures with repeated characteristics to obtain a final optimized configuration.
Owner:DALIAN JIAOTONG UNIVERSITY

Security account opening network flow identification, prevention and control method and system

The invention provides a security account opening network flow identification, prevention and control method and system. The method comprises the following steps: acquiring account opening information of a current client; identifying the account opening information to identify whether the current customer is an illegal flow customer; when identifying that the customer is not the illegal flow customer, guiding the customer to perform account opening authentication according to a comparison result of the flow of at least one flow limiting factor in the account opening information and a flow limiting threshold value corresponding to the flow limiting factor; and updating the current-limiting threshold value at least based on a preset current-limiting factor weight so as to be used for account opening authentication in the next stage. According to the invention, the stability and account opening efficiency of the system can still be ensured in a complex network environment.
Owner:CHANGJIANG SECURITIES

Direct-current quick charging device for double-pack energy storage system of motor home and control method of direct-current quick charging device

The invention relates to the field of motor home high-voltage energy storage, in particular to a direct-current fast charging device for a motor home double-pack energy storage system and a control method of the direct-current fast charging device. The motor home double-pack energy storage system is charged through external power supply equipment, and the external power supply equipment comprises a new energy automobile direct-current charging pile; the motor home double-pack energy storage system comprises double high-voltage battery packs, an all-in-one controller, a direct-current quick charging pile and a direct-current quick charging device. Direct current output by the new energy automobile direct current charging pile efficiently charges the double-high-voltage battery pack through the direct current quick charging device. And the direct current output by the high-voltage battery pack is converted into 12V direct current and 220V alternating current through the all-in-one controller, so as to supply power to 12V direct current and 220V alternating current electric equipment. According to the direct-current fast charging device and the control method thereof, direct-current fast charging of the double packs can be effectively and reasonably controlled according to the devices of the motor home energy storage system and real-time working conditions, the charging efficiency is improved, the charging capacity of the double packs is improved, and the service life of the double packs is prolonged.
Owner:南昌济铃新能源科技有限责任公司

Internet of Things big data management system for smart home

The invention relates to the technical field of smart home, and discloses an Internet of Things big data management system for smart home, which comprises a parameter acquisition module, a comparative response module and a control change module. The intelligent household control system is mainly divided into an intelligent lighting system, an intelligent access control system, an intelligent curtain system and an intelligent household electrical appliance system. When the four types of controlled systems are controlled at the same time, the bandwidth occupied by the four types of controlled systems is obtained, the bandwidth occupied by the four types of controlled systems is compared with a bandwidth threshold value, and when the occupied bandwidth is smaller than the bandwidth threshold value, it is indicated that when the four types of controlled systems are controlled at the same time, the intelligent home system can run well under current configuration, and extra adjustment is not needed. And when the occupied bandwidth is greater than or equal to the bandwidth threshold value, the bandwidth occupied by the managed and controlled systems is relatively large, and the regulation of the management and control mode is needed, so that the operation of other equipment is not influenced.
Owner:GUANGZHOU BAOYA INTELLIGENT TECH CO LTD

Method and apparatus for controlling air conditioner, air conditioner, storage medium

The application discloses a method for controlling an air conditioner, the air conditioner comprising: an indoor-side circulating loop, sequentially provided with a water pump, an intermediate heat exchanger, a first electronic expansion valve and an indoor unit along a medium flow direction during refrigeration; and an energy storage device, one end of which is connected to a medium inflow end of the first electronic expansion valve, and the other end of which is connected to a medium inflow end of the water pump; the method comprising: determining an actual temperature of the energy storage device in a case where a working period of the indoor unit is a first period; closing an outdoor unit and determining an air conditioner target temperature and an indoor environment temperature in a case where the actual temperature of the energy storage device meets a discharging condition; and controlling a first electronic expansion valve opening degree and a water pump operating frequency according to the actual temperature of the energy storage device, the air conditioner target temperature and the indoor environment temperature. The application combines the adjustment of the water pump operating frequency and the electronic expansion valve opening degree to more accurately and reasonably control the flow size in the circulating loop. The application also discloses a device for controlling an air conditioner, an air conditioner and a storage medium.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2

Charging and discharging controller

The utility model relates to a charging and discharging controller. The charging and discharging controller relates to the technical field of power electronic application. The charging and discharging controller comprises a pre-stage detection circuit, a Boost circuit, a post-stage detection circuit, a control switch and a detection circuit which are arranged on a solar cell panel, after the system is powered on to run the initial program, the running program is selected according to the judgment of the photosensitive element. In the MPPT stage, the controller enables the lead-acid storage battery to receive the maximum output power P of the photovoltaic cell by adjusting the duty ratio D of the switching tube Q. And when the charging current is larger than the overcharge termination current, the storage battery is charged in a constant voltage mode, and meanwhile, the charging current of the storage battery continues to be detected. And when the charging current is lower than 10% of the rated current, switching to a floating charging stage, and charging the storage battery by adopting a constant voltage slightly higher than the voltage of the storage battery in the floating charging stage.
Owner:BAODING TIANWEI BAOBIAN ELECTRICAL

Unit flexible powder making method and system based on intermediate bin

The invention provides a unit flexible powder making method and system based on an intermediate bin, and belongs to the technical field of intelligent power plants, and the method specifically comprises the steps that a plurality of powder making alternative schemes are generated with the lowest safety allowance of the intermediate bin in different time periods and the reserve capacity of the intermediate bin as constraint conditions and the powder making amount in different time periods as the basis, according to the method, load fluctuation conditions among different time periods are determined on the basis of pulverization power consumption and unit basic loads in different time periods, and selectable schemes in pulverization alternative schemes are determined according to the load fluctuation conditions among different time periods, so that on-grid prices in different time periods are obtained; and on the basis of the pulverization power consumption and the on-grid price in different time periods, the optimal scheme in the selectable schemes is determined by further combining the deviation condition of the pulverized coal reserve of the intermediate bin in different time periods and the minimum safety margin, so that the operation flexibility of the unit is improved.
Owner:HANGZHOU YINGJI POWER TECH CO LTD

Traffic data fusion method and system based on multi-source perception

The invention relates to the technical field of artificial intelligence data processing, and provides a traffic data fusion method and system based on multi-source perception, which collects traffic conditions and demand data, improves the data processing efficiency through position labels and grouping, improves the data consistency through space-time matching optimization, and improves the data fusion efficiency. According to the multi-source traffic data fusion method, the data quality is guaranteed through anomaly detection and correction, systematization is constructed to improve the intelligent level of traffic management, the problem of space-time difference in multi-source traffic data fusion is effectively solved, and the efficiency of traffic management and the scientificity of decision making are remarkably improved.
Owner:BEIJING FENGYUN KECHUANG INFORMATION TECH CO LTD

Customer service call quality control method and system based on voice recognition

The embodiment of the invention relates to the technical field of information, in particular to a customer service call quality control method and system based on voice recognition. The method comprises the following steps: identifying the voice as customer voice and customer service voice; identifying a call topic; obtaining a plurality of selectable answers, and respectively calculating correlation degrees; when the association degrees are lower than a preset threshold value, intercepting the customer service voice; recognizing the voice emotion of the customer service voice, comparing the voice emotion with a pre-configured screening emotion set, and comparing the customer service text with a pre-configured screening lexicon; when the voice emotion does not belong to the screening emotion set and the customer service text does not comprise words in a screening word library, recognizing a topic of the customer service text; and when the association degree between the customer service text and the call topic is higher than a preset threshold value, or the association degree between the topic of the customer service text and the call topic is higher than the preset threshold value, releasing the customer service voice.
Owner:ZHEJIANG AGAN SHUZHI INFORMATION TECH CO LTD

Engineering construction aided design method, device, equipment and medium

The invention relates to the technical field of engineering construction design, in particular to an engineering construction aided design method, device and equipment and a medium. According to the method, before the community is built and checked in, daily behavior habits of the community after the owner checks in are simulated based on business and education matching around the community and road distribution in the community, then behavior parameters corresponding to each virtual owner are generated, and people flow distribution conditions on a plurality of key road branch lines in the community are built based on the behavior parameters; and the monitoring mode or the monitoring strength in the key monitoring area is set based on the people flow distribution condition, for example, bidirectional behavior monitoring is carried out in a bidirectional area with large people flow, and unidirectional monitoring is carried out in a unidirectional area with large people flow, so that a plurality of cameras in the community are more reasonably arranged and controlled.
Owner:SICHUAN HONGYA MINGYANG CONSTRUCTION CO LTD

Lightweight acoustic signal enhancement method based on adaptive time-frequency modeling, medium and device

ActiveCN120452463BImprove adaptabilityEffectively capture dynamic changes
The application discloses a kind of based on adaptive time-frequency modeling light-weight sound signal enhancement method, medium and equipment, it is related to sound signal processing technology, based on adaptive time-frequency modeling light-weight sound signal enhancement method mainly includes: constructing sound signal noise reduction model;Utilize sound signal data training set to train sound signal noise reduction model and obtain trained sound signal noise reduction model;Utilize trained sound signal noise reduction model to carry out noise reduction to target sound signal, obtain the sound signal after noise reduction.It can realize the effective enhancement of sound signal in complex noise environment by implementing the based on adaptive time-frequency modeling light-weight sound signal enhancement method, medium and equipment provided by the application, improve the expression ability of model, environmental adaptability and signal restoration precision, reduce the cost of calculation.
Owner:HAINACORD (HUBEI) TECH CO LTD

Nickel-chromium-molybdenum alloy welding rod and preparation method and use method thereof

The invention belongs to the technical field of welding materials, and particularly relates to a nickel-chromium-molybdenum alloy welding rod and a preparing method and using method thereof.The welding rod comprises a core wire and a coating, and cladding metal of the welding rod comprises, by weight, 0.03%-0.05% of C, 0.4%-0.7% of Mn, 15.5%-15.8% of Cr, 5.7%-5.9% of Ni, 0.8%-0.95% of Mo, smaller than or equal to 0.30% of Si, smaller than or equal to 0.020% of S, smaller than or equal to 0.030% of P and the balance Fe and inevitable impurities. According to the welding rod, the welding performance and various mechanical properties of the welding rod can be properly adjusted by adjusting the content of nickel, chromium and molybdenum, so that the welding rod can meet various heat treatment modes after welding, and the adaptability and universality of the welding rod are improved.
Owner:NANJING TAIPINGYANG UNITED JOINTING MATERIALS CO LTD

Air inlet grille control method, device and equipment and storage medium

The invention discloses an air inlet grille control method, device and equipment and a storage medium, and relates to the technical field of vehicles, and the air inlet grille control method comprises the steps that when a motor initialization state is an initialization completion state, a current heat pump mode is obtained; when the current heat pump mode is an electric drive heat dissipation mode, the current heat dissipation requirement is obtained; when the current heat dissipation demand is that the heat dissipation demand is not needed, determining a current temperature demand according to current battery data and passenger compartment data; and the air inlet grille is controlled according to the current temperature requirement. The current heat pump mode is determined after initialization is completed, whether the heating and cooling requirements exist or not is judged when electric drive needs heat dissipation, then the opening degrees of the corresponding air inlet grille are determined according to the different heating and cooling requirements, then accurate control over the air inlet grille is achieved, the grille opening degrees are reasonably and effectively controlled, and the air inlet grille opening degree control efficiency is improved. While the wind resistance of the whole vehicle is reduced, the heat management performance requirement can be met.
Owner:DONGFENG MOTOR GRP

Virtual coupling train control brake safety control method

The invention provides a virtual coupling train control braking safety control method, and relates to the technical field of locomotive braking. The method comprises the following steps: sequentially marshalling trains to form a train formation sequence group; operation information of different trains in the train formation sequence group is collected, operation braking distance analysis is carried out, and train braking distance data are formed; effective brake interval analysis is carried out according to the formation sequence of the train formation sequence group in combination with train brake distance data of different trains, and initial effective brake interval data are formed; and communication information between different trains in the train formation sequence group is obtained, reasonable brake interval analysis is carried out in combination with the initial effective brake interval data, and brake safety control data are formed. According to the method, the reasonable interval between the trains is determined by analyzing the train braking distance, the train operation safety is guaranteed, and the line transportation efficiency is improved to a certain extent.
Owner:SHUOHUANG RAILWAY DEV +1

Method and device for controlling air conditioner, air conditioner and storage medium

The invention relates to the technical field of intelligent control, and discloses a method for controlling an air conditioner, which comprises the following steps: acquiring a plurality of space distances of the space of the air conditioner; determining a first operation parameter according to each spatial distance; the first operation parameter comprises an air deflector angle; the air conditioner is triggered to operate according to the first operation parameters. Therefore, the space distance can reflect the actual use space of the air conditioner. Therefore, the first operation parameter of air conditioner operation is determined according to the space distance, and the operation parameter of the air conditioner can adapt to the actual use space of the air conditioner. Therefore, the air conditioner can be reasonably controlled. And thus, the user experience is improved. The invention further discloses a device for controlling the air conditioner, the air conditioner and a storage medium.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +3

Ultrahigh-strength bainite track steel and preparation method thereof

The invention provides ultrahigh-strength bainite track steel and a preparation method thereof. The ultrahigh-strength bainite track steel is subjected to Nb, B and V composite microalloying; the steel comprises the following chemical components in percentage by mass: 0.35-0.40% of C, 2.0-2.3% of Si and Al, more than 0.5% and less than 0.8% of Ni and Mo, 1.0-2.0% of Cr and Mn, 0.05-0.2% of Nb, B and V, and the balance of Fe and inevitable impurities. In the ultrahigh-strength bainite rail steel, the mass percent of chemical components of Si, Mn, Cr, Ni, V, Mo, Nb, Al and B is as follows: N is more than or equal to 0.13 and less than or equal to 2.56, and n is more than or equal to 0.40 and less than or equal to 0.92; wherein N = [1.1 * (Si + Al) * (Ni + Mo)-1] / [0.4 * (Cr + Mn)]; n = 0.8 * (Ni + Mo) / [3-(Si + Al)]. According to the ultrahigh-strength bainite rail steel and the preparation method thereof, the preparation efficiency is high, and the rail steel is excellent in comprehensive mechanical property and suitable for popularization.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD

A centralized dispatching method and system for building air conditioning load

The present invention discloses a centralized dispatching method and system for building air conditioning load, and relates to the field of air conditioning load dispatching. The method comprises: obtaining the floor correlation between the floor and the air conditioning load data by analyzing the acquired historical air conditioning load data of the building; constructing an air conditioning load prediction model based on the floor correlation and in combination with the pre-acquired user preference data; predicting the air conditioning load of each floor in the building by using the air conditioning load prediction model to obtain a prediction result; and centrally dispatching the air conditioning load based on the prediction result and in combination with the air conditioning power consumption data. The present invention can obtain the floor correlation between the floor and the air conditioning load data by analyzing the historical air conditioning load data of several buildings, so as to deeply understand the difference in air conditioning load between each floor in the building and its changing law, which is helpful to realize the effective saving of electricity and promote the high efficiency and sustainability of building energy use.
Owner:SHU ZHONGKEYING ENVIRONMENTAL EQUIPMENT TECHNOLOGY (NANTONG) CO LTD

Sodium-cooled fast neutron proliferation reactor operation mode control method

The invention particularly relates to an operation mode control method for a sodium-cooled fast neutron proliferation reactor. The operation mode of the reactor is controlled through an effective value-added factor Keff of the reactor, a nuclear power level and an average sodium temperature of a reactor core outlet. The reactor operation mode comprises power operation, starting, hot shutdown, cold shutdown and refueling shutdown. The invention further relates to a sodium-cooled fast neutron proliferation reactor operation mode control device, computer equipment and a storage medium. According to the invention, the operation mode of the reactor is controlled through the effective multiplication factor Keff of the characteristic parameter reactor, the nuclear power level and the average sodium temperature at the outlet of the reactor core, so that the operation mode of the sodium-cooled fast neutron multiplication reactor is scientifically and reasonably controlled.
Owner:CNNC LONGYUAN TECH CO LTD +1

A control method and system for reducing the error deflection angle of a double-screw workbench

ActiveCN118848615BReasonable structureavoid overcompensationFeeding apparatusMetal working apparatus
The present invention discloses a control method and system for reducing the error deflection angle of a double-screw worktable, which belongs to a control or regulation system, solves the problem of worktable deflection in the double-screw feeding system in the prior art, and has the beneficial effect of effectively reducing the deflection of the worktable and improving the target accuracy of the workpiece. The specific scheme is as follows: a thrust compensation device for reducing the error of the double-screw worktable, wherein the thrust compensation device is arranged in a through groove of a slider of the worktable; a data processing unit estimates the current of the motor on the d-axis and the q-axis, the angular velocity of the motor and the load torque of the motor through a filter, and obtains the error deflection angle of the worktable according to the real current of the motor on the d-axis and the real current of the motor on the q-axis, the real angular velocity of the motor and the real load torque of the motor; a controller obtains the force that the thrust compensation device needs to output according to the error deflection angle of the worktable; the controller controls the action of the thrust compensation device to push the worktable to deflect in the opposite direction.
Owner:SHANDONG JIANZHU UNIV

Vegetable cleaning and mud removing device

The utility model belongs to the field of vegetable cleaning devices, and discloses a vegetable cleaning and mud removing device which comprises a machine table, a cleaning barrel and a motor. The cleaning mechanism comprises a rotating disc, a filtering barrel and a discharging plate, the rotating disc is rotationally installed at the bottom of the inner side of the cleaning barrel and is in transmission connection with the motor, the filtering barrel is detachably installed on the rotating disc, and filtering holes are formed in the filtering barrel; the water supplementing mechanism is mounted on the machine table; and the drainage structure is arranged on the cleaning barrel and is used for draining water in the cleaning barrel. Vegetables are placed in the filtering barrel, the motor drives the rotating disc to rotate, the rotating disc drives the filtering barrel to rotate, and therefore the speed difference can be generated between the filtering barrel and water flow in the cleaning barrel, namely the speed difference of accumulated water in the filtering barrel and the cleaning barrel is achieved, and the vegetables can be washed and cleaned by the accumulated water; the vegetables are placed in the filtering barrel and rotate synchronously with the filtering barrel, the surfaces of the vegetables can be prevented from being damaged by the cleaning mechanism, meanwhile, the vegetables cannot be clamped in the cleaning mechanism, and the cleaning effect is better.
Owner:CHONGQING CAIDUXIAN AGRI DEV CO LTD

Emergency lane management method and terminal device

The application is suitable for the field of traffic control technology, and provides an emergency lane control method and a terminal device. The target emergency lane is divided into multiple spatial segments, and a switch state quantity is set. A transformation frequency constraint and a lane component constraint are constructed. A set of space-time control strategies is generated according to the constructed constraints. A strategy evaluation function is constructed according to the vehicle passing time and the vehicle collision exposure time of the spatial segment. The space-time control strategies are evaluated by using the strategy evaluation function, and the space-time control strategy with the highest evaluation score is taken as an initial control strategy. The set of space-time control strategies is crossed and mutated by using a genetic algorithm to obtain an intermediate control strategy. A final control strategy is determined from the initial control strategy and the intermediate control strategy, and the target emergency lane is controlled according to the final control strategy. The application can improve the control effect of the emergency lane control method.
Owner:CENT SOUTH UNIV +1