75results about How to "Give full play to ability" patented technology

The invention discloses a system for managing data in a distributed cluster, which comprises a master node and responsible nodes, wherein the master node is used for partitioning stored data and selecting one slave node for each data partition as one responsible node; and each responsible node is used for managing the corresponding data partition under the charge. The invention also discloses a method for managing data in a distributed cluster. By using the system and the method, updates of different data partitions can be distributed on different slave nodes, thereby effectively sharing the load of the master node. Simultaneously, the responsible nodes can be assigned in accordance with practical situations of the slave nodes, thereby giving a full play to capabilities of the slave nodes.

The invention relates to a shear hysteretic damper, which comprises an upper rigid connecting plate and a lower rigid connecting plate which are connected with a building structure, a hysteretic energy-consuming web plate, and a flange plate, wherein the rigid connecting plates and the flange plate are fixedly connected to the hysteretic energy-consuming web plate. At least one side of the hysteretic energy-consuming web plate is provided with transverse stiffening ribs or / and longitudinal stiffening ribs. The flexibility-fineness ratio parameter of the hysteretic energy-consuming web plate is between 0.2 and 0.5, the plate thickness ratio of the flange plate to the web plate is not less than 4, the rigidness ratio of the stiffening ribs is not less than 3.0, and the shape factor is between 0.5 and 1.5. The hysteretic energy-consuming web plate is made of rolled steel the yield strength of which is not more than 235MPa, the flange plate and the rigid connecting plates are made of the rolled steel the yield strength of which is not less than 235MPa, and the stiffening ribs are made of the rolled steel the yield strength of which is not less than 235MPa. The shear hysteretic damper has the advantages of simple structure, stable performance, low manufacture and maintenance cost, small space occupation ratio, easy space distribution, replacement after an earthquake and the like.

The invention provides a method for optimizing system performance by dynamically tracking an IO processing path of a storage system, which comprises the following steps: sending a read and write request to the storage system through a network by using a server; tracking an IO request in each device; introducing an IO request inspection mechanism into the process of processing the request by the storage system; setting an IO processing identification for each process module; computing the response time of each processing node; computing the total processing time of the whole IO request through the formula and recording in a blog mode; accurately positioning the error through the time of processing the IO request and improving, wherein the time for processing the IO request is displayed in the blog; fully developing the system capacity through changing system resources distributed to each user and service programs; and meeting the requirements of the users by using possibly less resources and achieving the purpose of serving various users.

The embodiment of the invention provides an electronic expansion valve control method and device and a refrigerating / heating system. The opening degree of an electronic expansion valve of an economizer is adjusted according to the operating load of a compressor and the system state including the superheat degree of the economizer, pressure of an air inlet of a pressure cavity of the compressor, pressure of an exhaust port of the compressor, pressure of an air suction port of the compressor and currents of the compressor, and accordingly, the probability that the compressor operates out of range is lowered, capacity of the economizer is brought into full play, the capacity and energy efficiency of a whole machine are promoted, and operational reliability of the compressor and the whole machine are improved.

The invention discloses a method for aggregating multiple network interface cards in virtualized environment. The traditional bonding technology is not suitable for a virtualized platform. A multi-network interface card aggregating technology adopted by the method is developed for the virtualized environment. An ip (Internet Protocol) address of a virtual machine and an mac (Media Access Control)address of a network interface card are bonded together, and the mac address of each network interface card is dynamically set so that a network flow runs out or comes in from different network interface cards. The invention can fully utilize multiple network interface cards, dynamically distribute needed network resources to each client virtual machine as required, ensure the load balance of multiple network interface cards, achieve the effect of simultaneously using multiple network interface cards by one client virtual machine and more favorably provide network bandwidth guarantee for the client virtual machines.

The invention relates to an ecological air purification system having a case body, an air outlet, a fan and plants. The case body is dual-layer structured having an inner chamber, an outer chamber, and a nutrient solution container, the nutrient solution container is fixed at the upper part of the inner chamber where plant culturing medium is arranged; the outer chamber is an air circulation pathway set outside having a circulation chamber, sterilizing chamber, and an exhausting chamber, a fan is set in the exhausting chamber, the air outlet is arranged at the side wall of the exhausting chamber. The present invention discloses a method for purifying air by the purification method. The invention can purify air by making use of the leaf part of plants, and also can give full play to abilities of the plants and greatly improve the ability of plants to treat toxic substances, thereby changing the impression that the efficiency of plants purifying air is comparatively low. The invention has advantages such as high air purifying efficiency, littler pollution, and convenient maintenance.

It is possible to provide a vehicle control device and a vehicle control method which can perform an appropriate travel control while sufficiently exhibiting capability of a control system. A feedback control of a vehicle travel is performed according to a preset travel target. In the feedback control, a travel target is regenerated if a control deviation exceeds a preset value such as when a vehicle travel trace is deviated, a tire friction circle is exceeded, or a vehicle acceleration or a jerk exceeds a preset value. This enables a travel control while sufficiently exhibiting the capability of the control system until the control deviation exceeds the preset value. When the control deviation exceeds the preset value, the travel target is regenerated so as to perform a travel control appropriate for a travel environment.

The invention discloses a wind power plant control method and device and a wind power generation system. The wind power plant control method comprises the steps of detecting voltage and current of a grid-connected point of a wind power plant, and calculating reactive power of the grid-connected point; receiving a grid dispatching signal, and calculating ideal reactive power of the wind power plantbased on the grid dispatching signal; calculating the reactive power difference between the ideal reactive power and the reactive power; monitoring current wind speed information of a wind turbine generator system and operation information of the wind turbine generator system, and obtaining the output margin of the wind turbine generator system; and allocating reactive power required to be provided or absorbed to the wind turbine generator system according to the reactive power difference and the output margin, and sending an instruction used for indicating the wind turbine generator system to generate the allocated reactive power to the wind turbine generator system. The wind power plant control method can significantly improve voltage fluctuations and frequency changes of the grid-connected point, and can meet stability requirements of grid connection. The wind power plant control method greatly reduces the compensation work of reactive compensation equipment and the like, reduces the energy loss and reduces the equipment cost.

The invention discloses a system for providing a personalized shopping guide in online shopping. The system comprises online shopping clients, an electronic shop website server, a shopping guide server and shopping guides, wherein the shopping guide server is used for receiving the login of the shopping guides, performing identity authentication on the shopping guides, receiving and storing capability information uploaded by the shopping guides, receiving a shopping guide service request from the electronic shop website server, matching a requirement attribute in the shopping guide service request and the stored capability information, selecting a shopping guide according to a matching result, and establishing communication connection between the online shopping clients and the selected shopping guide; and the shopping guides are used for logging in the shopping guide server, and providing identity authentication information according to the prompt of the shopping guide server, providing the capability information of shopping guide personnel to the shopping guide server, and performing information interaction with the online shopping clients through the communication connection with the online shopping clients. The invention also discloses a method for providing the personalized shopping guide in the online shopping and the shopping guide server. One-to-one personalized shopping guide service can be provided for shoppers, and the shopping experiences of users are enhanced.

The invention discloses a model deployment method, a model deployment device, terminal equipment and a readable storage medium. The method comprises the following steps: obtaining an operator model set of a to-be-deployed deep neural network model; performing operator fusion or operator segmentation processing on operator models meeting a preset condition in the operator model set, and obtaining a processed operator model set; obtaining the operation time of each operator model in the processed operator model set on each device in a device set for deploying the model, and obtaining an operation time set; on the basis of the running time set, combining operator models in the processed operator model set through adoption of a preset search method, and obtaining a sub-model set; and deploying a to-be-deployed deep neural network model on the device set based on the sub-model set. According to the method, equipment with different computing power can be fully compatible, and the operation efficiency and the global throughput rate can be improved.

The invention discloses a personalized learning and intelligent training management system and method, and belongs to the technical field of enterprise employee safety training. The system comprises astudent terminal, a teacher terminal, a management terminal and a background, and the student terminal is used for checking personal information of students, recommending learning resources to the students and assessing learned knowledge points; the teacher end is used for answering questions raised by students, selecting course resources or providing related information of training tasks; the management end is used for training task management, resource auditing and feedback analysis; and the background is used for information acquisition, data processing analysis, resource library storage,reading and updating. The student terminal comprises a registration login module, a user information module, a learning training module, a capability test module, a teacher application module and an information feedback module. The teacher end comprises a knowledge question answering module, a training task module, a test question resource uploading module, a learning resource uploading module andan integral module. The training management system is used for training learning and training management, and the training effect can be improved.

The invention discloses a variable-frequency water pump control method applicable to a variable-frequency heat-pump water heater. The variable-frequency water pump control method particularly comprises the following stepsofstartingthe dynamic monitoring mode during the stable operation of a heat-pump water heater, and monitoring the water inlet temperature T1, the water outlet temperature T2 and the water flow rate Q at a heat exchanger on the water side in real time in the dynamic monitoring mode, wherein the temperature-difference absolute value delta T between the water inlet temperature T1and the water outlet temperature T2 is calculated and determined only when the water flow rate Q monitored in real time is higher than the predetermined minimum water flow rate Qmin, the temperature-difference absolute value delta T calculated and determined in real time is compared with the upshift temperature value Ta and the downshift temperature value Tb at the current capacity shift of a variable-frequency water pump for judgment, and then the capacity shift of the variable-frequency water pump is correspondingly adjusted based on the judgment result.

The invention relates to a tilting directional microporous end surface mechanical sealing structure comprising a dynamic ring and a static ring which are sealed mechanically, one side of the end surface of the dynamic ring and the static ring is a high-voltage side, namely, an upstream part, and the other side thereof is a low-voltage side, namely, a downstream part; the end surface of the dynamicring or the static ring is provided with a microporous ring belt which is arranged on the upstream part of the end surface; the downstream part of the microporous ring belt is provided with a continuous ring-shaped sealing dam; and a long shaft of the micropore forms a tilting angle with the diameter of the sealing end surface passing through the center of the micropore. The tilting directional micropore end surface mechanical sealing structure has the beneficial effects of: greatly improving hydrodynamic effect of the microporous end surface, leading the sealing to have good starting-stopping effect under low-voltage condition, being capable of being applied in a liquid medium and a gas medium by setting the depth of the micropore, being capable of fully exerting the capabilities and advantages of microporous solid particles, realizing no contact, wear resistance and no leakage of sealing, prolonging the service life and improving the sealing reliability.

The invention discloses a method for preparing iron oxide red from a titanium dioxide byproduct ferrous sulfate, a product and application of the product, and belongs to the technical field of magnetic materials. The method comprises the following steps: S101, purification and impurity removal; S102, oxidation synthesis; and S103, roasting, crushing and screening, wherein a silicon removal agent adopted for purification and impurity removal is a compound of polyferric sulfate, cationic guar gum and sodium alginate. According to the invention, by reasonably matching a plurality of inorganic andorganic high-molecular polymers, the coagulating sedimentation effect, the electric neutralization capability and the bridge frame adsorption effect of the silicon removal agent are fully exerted, the silicon impurity in ferrous sulfate is effectively removed, the feeding speed of a ferrous sulfate solution and an alkaline solution is accurately controlled in the oxidation synthesis process, hydrated iron oxide precipitate which is good in consistency, easy to filter and wash and high in activity is obtained, and an iron oxide red product high in purity and good in performance is successfullyprepared by further setting a reasonable roasting system.

The invention provides a pure electric vehicle speed control method and a pure electric vehicle speed control system. Signals input by a driver through a pedal and a steering wheel, outer side motor feedback rotation speed signals and inner side motor feedback rotation speed signals are received through a vehicle control unit, a maximum torque Tmax (n1) of an outer side motor is determined according to the outer side motor feedback rotation speed signals, and a maximum torque Tmax (n2) of an inner side motor is determined according to the inner side motor feedback rotation speed signals; followingly, an outer side motor target torque T1 and an inner side motor target torque T2 are obtained through the signals; a vehicle dynamical model obtains a straight travel average vehicle speed v and a vehicle yaw velocity w through the outer side motor target torque signal T1, the inner side motor target torque signal T2, vehicle outer side drive rolling resistance Fr1, vehicle inner side drive rolling resistance Fr2 and vehicle steering resisting moment Mz; and the obtained straight travel average vehicle speed v and the vehicle yaw velocity w are obtained by reference to pavement load variations, and the capability of an electric drive system can also be brought into full play to be enabled to work in an optima state.

The invention provides a matching method and system for a transmitting capability of a STA (Station) and an AP (Wireless Access Point). The method and the system are applied to a WLAN network. The method comprises the steps of obtaining parameters of the STA and the parameters of each candidate AP which will be accessed by the STA; calculating a bandwidth utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating a spectrum resource utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating comprehensive transmission capability matching degree of each candidate AP which will be accessed by the STA according to the bandwidth utilization rates and the spectrum resource utilization rates; and selecting the candidate AP with the highest comprehensive transmission capability matching degree as the accessing AP of the STA. According to the method and the system, the matching degree of the STA and the AP is ensured, so that the resource utilization degree of the whole WLAN network is improved, and the throughput and the maximum accessing number of users of the network are improved.

The invention relates to a distributed computing environment general monitoring system which comprises a connectivity monitoring system and a service validity monitoring system. The connectivity monitoring system comprises a connectivity monitoring module, a connectivity response module and a connectivity monitoring channel, wherein the connectivity monitoring module is arranged at a client side, the connectivity response module is arranged on a server, and the connectivity monitoring channel is used for connecting the connectivity monitoring module with the connectivity response module. The connectivity monitoring system is used for detecting whether the network interconnection environment or the server is communicated or not. The service validity monitoring system comprises a heartbeat monitoring module, a heartbeat response module and a heartbeat monitoring channel, wherein the heartbeat monitoring module is arranged at the client side, the heartbeat response module is arranged on the server, and the heartbeat monitoring channel is used for connecting the heartbeat monitoring module with the heartbeat response module. The service validity monitoring system is used for detecting whether the server loses efficacy or not. Low efficiency and delaying of manual intervention and failure judgment are avoided, the capability of centralized type central office large scale equipment is sufficiently expressed, the availability of the distributed computing environment general monitoring system is improved, and investment benefits of an operator are guaranteed.

The invention relates to the field of primary crushing of needle coke (green coke), and particularly relates to a primary crushing method of coal-series needle coke. The primary crushing method is characterized in that a multi-cone hammer head is driven by a full-station mechanical arm provided with an impaction hammer to impact and crush tower-discharged green coke in a free state. The multi-cone hammer head is in an integrated structure, a drill rod is arranged at one end of the multi-cone hammer head, and a crushing head is arranged at the other end of the multi-cone hammer head and is provided with circular conical teeth and square conical teeth. Compared with the prior art, the primary crushing method of coal-series needle coke and the device adopted by the method, disclosed by the invention, have the following advantages that: (1) the problem of device appearance selection of large or ultralarge crushed material in the coal-series needle coke (the tower-discharged green coke) is solved, and the investment of a crushing device is reduced largely; (2) an impaction crushing manner is suitable for anisotropic structure characteristics of the needle coke, and is also beneficial for improving the quality of the needle coke; (3) high-efficiency transmission of impaction energy is ensured and the crushing work efficiency is improved due to a unique structure of the multi-cone hammer head; and (4) the full-station (in a three-dimensional space and five freedom degrees) mechanical arm meets station requirements during operation and is convenient to capture objects to be hammered.

The invention discloses a malachite green detection method and detection device and a probe manufacturing method. The detection method includes the following steps: S1, preparing polymer material imprinted with malachite green template molecules; S2, grinding the polymer material into polymer powder; S3, eluting the template molecules on the polymer powder; S4. gluing the polymer powder, of whichthe template molecules are eluted, to a surface of an extraction substrate to form a solid-phase microextraction probe; S5, applying a to-be-detected sample to the solid-phase microextraction probe; and S6, using the solid-phase microextraction probe and a mass spectrometer in combination to carry out detection about malachite green on the to-be-detected sample. The detection method can effectively improve template molecule elution efficiency in a probe manufacturing process, reduces interference of the template molecules with the to-be-detected target substance, effectively improves binding efficiency of the probe and an eluent during detection, and improves elution efficiency and detection efficiency of the to-be-detected target substance during mass spectrometry detection.

The invention discloses an electroslag remelting method for producing large steel ingots by a plurality of small furnaces. The method comprises the following steps of A, electroslag remelting machinery preparation: using three-phase electroslag remelting furnaces, and installing nine consumable electrodes in each furnace of the three-phase electroslag remelting furnaces; B, slag material proportioning: proportionally mixing fused alumina, limestone and high-purity fluorite; C, remelting refining: gradually putting the proportioned slag materials into a crystallizer until all slag materials are thoroughly melted in the crystallizer, charging the materials into the consumable electrodes after most slag materials are thoroughly melted, and after the consumable electrodes in the furnace are melted to the proper degree, changing a next group of consumable electrodes for continuous remelting until the remelting of all of the consumable electrodes is completed; D, deoxygenation: continuously adding complex deoxidizers into the crystallizer while the slag materials are gradually put into the crystallizer; and E, mold stripping: performing mold stripping after 3 to 6 hours from the electroslag remelting completion, and then performing hot delivery and furnace entering. Through the electroslag remelting by the plurality of small furnaces, the content of each ingredient can be conveniently controlled.

The invention discloses an air conditioner power supply self-adaptation control device. The air conditioner power supply self-adaptation control device comprises a mains supply unit, a battery unit, a switching unit and a first processor; the first input end of the switching unit is used for collecting a mains supply signal, the second input end of the switching unit is used for collecting a battery power supplying signal, the output end of the switching unit is used for outputting the mains supply signal or the battery power supplying signal to an air conditioner power supply circuit, and the control end of the switching unit is used for receiving a switching action control signal; the first processor is used for determining whether the mains supply signal belongs to a set threshold value range or not so as to enable the switching unit to be switched in a first working state or a second working state. The invention further discloses an air conditioner adopting the air conditioner power supply self-adaptation control device. By adopting the air conditioner power supply self-adaptation control device, multiple times of manual operation of a user is not needed in the whole running process, an optimum scheme beneficial for air conditioner running can be formed, the capacity of a battery pack can be fully achieved, and the advantages of being high in automation degree and good in user experience are achieved.

The invention discloses a double-compressor air conditioning system and a method and device for controlling the refrigerant circulation volume of the double-compressor air conditioning system. The method for controlling the refrigerant circulation volumes of refrigeration systems comprises the following steps of acquiring operating parameters of the refrigeration systems, comparing the operating parameters and a target parameter, increasing the refrigerant circulation volumes of the refrigeration systems if the operating parameters are less than the target parameter, and decreasing the refrigerant circulation volumes of the refrigeration systems if the operating parameters are greater than the target parameter. According to a result of comparison between the operating parameters and the target parameter, which is obtained in real time, the refrigerant circulation volumes of the two refrigeration systems is adjusted. When the operating parameters of the two refrigeration systems are equal to the target parameter, the heat exchange ratio between the two refrigeration systems is 1 or a preset value. In this way, the heat exchange of the two refrigeration systems can be ensured to be more balanced, and the capability of the heat exchanger is fully exerted, so that the heat exchange area is effectively utilized, system optimization is realized, and the cost is reduced.

The invention discloses a hot rolled steel plate with yield strength of 290 MPa for a longitudinal profile welded pipe and primarily solves the technical problem that the product performance of an existing hot rolled steel plate with yield strength of 290 MPa for a pipeline cannot meet petroleum and gas welded tube manufacturing enterprises. The hot rolled steel plate with yield strength of 290 MPa for the longitudinal profile welded pipe comprises the chemical components in percent by weight: 0.06-0.08% of C, 0.07-0.12% of Si, 0.60-0.70% of Mn, less than or equal to 0.018% of P, less than orequal to 0.005% of S, less than or equal to 0.0060% of N, 0.010-0.045% of Al, 0.010-0.020% of Ti, 0.010-0.020% of Nb and the balance iron and inevitable impurities. According to the hot rolled steel plate, the percentage elongation after fracture A50 mm is 35-60% and the impact energy value Akv at 5 DEG C below zero is greater than or equal to 70 J.

The invention provides a power adjusting system of a plunger type duplex tilting tray variable pump. The system comprises a pressure sensing transmitter set, the plunger type duplex tilting tray variable pump, a power adjusting module, a computer host controller and an engine. A measurement numerical value of the pressure sensing transmitter set is transmitted to the computer host controller; the computer host controller adjusts the plunger type duplex tilting tray variable pump through the power adjusting module; the computer host controller comprises a three-dimensional dot-matrix type MCU constant power controller composed of a single chip microcomputer; curvilinear coordinate parameters with lattice parameters composed of three-dimensional arrays are searched according to numerical numbers, collected by the pressure sensing transmitter set, of pressure output by the plunger type duplex tilting tray variable pump, then the power adjusting module is controlled to adjust flow output by the plunger type duplex tilting tray variable pump, so that power, absorbed by the plunger type duplex tilting tray variable pump, of the engine keeps constant, the plunger type duplex tilting tray variable pump is adjusted in a mode approaching to a real constant power curve in the practical work process, the capacity of the engine can be played fully, the flow of the plunger type duplex tilting tray variable pump when a system overflows can be lowered greatly, power loss is reduced and fuel oil is saved.

The invention discloses a multi-dimensional evaluation recommendation method based on a Java Doc knowledge graph, and belongs to the technical field of database recommendation. The method comprises the following steps: establishing a Java class knowledge graph by crawling and analyzing a Java Doc document; analyzing the path relationship between entities according to the relationship between the classes and the outside, establishing a recommendation function to mine the data, and determining a recommended recommendation domain according to the relationship between the classes; selecting a clustering method based on K-means to perform clustering between classes, and taking a clustering result as a complementary set of a recommendation domain based on knowledge graph mining; and performing multi-dimensional quantitative scoring on the classes in the recommendation domain, performing similarity quantitative scoring on the multi-dimensional isomorphic model, and finally returning the quantitative scores of the classes in the recommendation domain to the user. According to the method and the device, a user can contact a new JAVA built-in class and understand the difference between the JAVA built-in classes, so that the purpose of using a more appropriate API function is achieved.

The invention discloses an extra-large type geotechnical centrifuge loading separable design. The extra-large type geotechnical centrifuge loading separable design adopts two engine bases; a high-speed bearing is adopted by the small engine base to meet the demands of high rotation speed and a big g value; and a low-speed heavy loading bearing is adopted by the big engine base to meet the demands of low speed and heavy loading, so that the separation of high speed and heavy loading is realized. Two rotating arms are mounted on a main shaft system of the same driving motor; and the two rotating arms are linked with each other through a hydraulic pressure linking device, so that time-sharing work or simultaneous work of the two rotating arms is realized. Instrument cabins are mounted on main shafts and each instrument cabin is not in contact with each rotating arm; break-make and supply of fluid, signals and a power source are achieved just through pipe connectors and cable connectors; and connecting or disconnecting is guaranteed according to the experiment need, so that separation and fastening of each rotating arm relative to the main shafts are realized. One driving motor is adopted, under the working conditions of full loading of the big rotating arm in low speed and heavy loading and full loading of the small rotating arm in high speed and light loading, motor power needed by the big rotating arm and the small rotating arm is consistent, ability of the motor is brought into full play, the maximum power of the motor is reduced, and developing and using cost is reduced.

The invention discloses a dual-compressor air-conditioning system and a control method and a control device for the refrigerant circulation amount thereof. The control method for the refrigerant circulation amount of the refrigeration system includes the steps of: acquiring the operating parameters of the refrigeration system; comparing the operation parameters and target parameters; if the operation parameter is smaller than the target parameter, increase the refrigerant circulation volume of the refrigeration system; if the operation parameter is greater than the target parameter, then reduce the refrigerant circulation volume of the refrigeration system. According to the comparison result of the operation parameter obtained in real time and the target parameter, the refrigerant circulation volume of the two refrigeration systems is adjusted. When the operating parameters of the two refrigeration systems are equal to the target parameters, the heat transfer ratio between the two refrigeration systems is 1 or a preset value. In this way, the heat exchange of the two refrigeration systems can be ensured to be more balanced, and the capacity of the heat exchanger can be fully utilized, thereby effectively utilizing the heat exchange area, optimizing the system, and reducing costs.

The invention provides an adaptive load adjustment device comprising a smart controller, a total load electrical parameter setting value, a total load electrical measured value, a random load, a controllable load and its power set value and measured value, a random load balance degree set value and a compensation balance module. Through the comparison of the set value and the measured value, the load and compensation balance module are controlled to balance the three-phase active power, equalize the actual power and set power, and optimize the power supply system load matching, thereby meeting the user requirements. The adaptive load adjustment device is simple in circuit, low in cost, and high in reliability.