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114results about How to "Rich connotation" patented technology

Calculation method of tilt corridor of tilt four-rotor aircraft with periodic variable pitch at constant rotational speed

The invention discloses a calculation method of a tilt corridor of a tilt four-rotor aircraft with periodic variable pitch at constant rotational speed, which comprises the following steps: establishing flight mechanics models of various parts of the aircraft, converting all forces and moments into a body shaft system, and establishing a six-degree-of-freedom balance equation; determining the tiltcontrol mode; solving the upper and lower boundaries of the pitch angle by taking the lift characteristics of the wing as the limiting factor; obtaining the control variables and attitude angles under different state conditions by optimal trimming; finding the corresponding wing lift characteristic limit minimum speed boundary and wing lift characteristic limit high speed boundary; obtaining theavailable power limiting high-speed boundary by solving the required power at different state points. The invention is based on a flight mechanics model, takes into account the parameters of each aspect of the aircraft design, and reflects the specific attributes of each feasible flight point. The invention is also applicable to the tilt corridor calculation of tilt four-rotor aircraft under different control modes.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Ancient-pagoda-shaped multifunctional intelligentized parking building

The invention discloses an ancient-pagoda-shaped multifunctional intelligentized parking building. The ancient-pagoda-shaped multifunctional intelligentized parking building comprises a permanent reinforced concrete building body, lifting passages, lifting devices, parking spaces, conveying belts and transmission devices. The permanent reinforced concrete building body is of an ancient-pagoda-shaped multi-layer structure, the lifting passages and the lifting devices are arranged in the center of the inside of the building body, and the conveying belts and the transmission devices are arranged in the parking spaces. Every lifting device comprises a lift base and a vehicle carrying device and a driving device, wherein the vehicle carrying device can carry two vehicles, can rotate in a three-dimensional mode, and is arranged on the base; a lift is provided with two anti-falling devices for avoiding the falling of the lift in a dynamic state as well as in a static state; the ancient-pagoda-shaped multifunctional intelligentized parking building further comprises vehicle inlets, vehicle outlets, vehicle storage devices and vehicle fetching devices which are arranged at the bottom of the building body. Every layer of the periphery of the building body is provided with a landscape corridor leading to the roof directly and a lift for human to use, and the top of the building body can be provided with hotels, business clubs, restaurants and the like. The ancient-pagoda-shaped multifunctional intelligentized parking building is provided with four lifting passages, supports the simultaneous operation of four lifts, and supports storage and fetching of two vehicles simultaneously, and the bottom layer of the building body is provided with 16 inlets and outlets and further provided with smart card reading devices and image recognition devices.
Owner:李放明

Method and device for case expression based on multi-dimensional situation model

The present invention discloses a method and a device for case expression based on a multi-dimensional situation model. The method comprises the steps of: extracting information of disaster-bearing objects according to emergency cases and describing information of disaster situations of the disaster-bearing objects in different periods of time; performing classification of the disaster-bearing objects according to the object attribute information, forming a plurality of object class sets, extracting common object attributes having expression meaning of a class of objects for a given object class set, and establishing an object expression model; extracting disaster situation factors from the disaster situation information, and establishing a disaster situation severity space of the object class sets; combining the extracted disaster situation information based on the object expression model and the disaster situation severity space, and constructing emergency situations of a specific time and space; and combining the extracted disaster situation information and the geographic space information of the objects, establishing a space-time framework of situation evolution, establishing aspace-time connection of the emergency situations, and completing a structured expression of the emergency event cases. The method can provide an effective structured and quantized means, and therefore the applicability is improved, and the method and the device for case expression based on the multi-dimensional situation model are simple and easy to realize.
Owner:TSINGHUA UNIV

Holographic natural K-line mathematical model and applications thereof to securities technology analysis

InactiveCN102081782ARich connotationAnalytical Awareness RaisingFinanceGraphicsMathematical model
The invention relates to the field of stock securities technology analysis, and in particular discloses a holographic natural k-line mathematical model and a graphic technological index thereof. The invention has relative stability and contact closeness by using the yesterday closing price of the stock as a comparison reference, is a scientific stock price change calculation presentation method according with the natural objective rule and people's traditional cultural ideology and living thoughts and habits, scientifically defines and sorts the K-line candle stick properties relative to the yesterday closing price and accurately discloses and reflects the natural results of the game process among short sellers and the force comparison change. The invention solves and overcomes the congenital defects of fuzziness, looseness and misleading properties existing in a traditional candle stick K-line using an opening price as a reference, expands the K-line contents and theory and has richer information, simpler and vivid graphs, stronger stereoperception and easiness of study, grasp, operation and use. The invention provides scientific core stock price graph index and important basis for the stock technology analysis and is widely suitable for being used in the stock technology analysis and transactions of stocks, futures, and the like.
Owner:戴家勇

Coordination control method considering virtual synchronous generator access for power grid safety and stability

ActiveCN106786565AEffectively take into account the impact of transient safety and stabilityAvoid under controlContigency dealing ac circuit arrangementsDesign optimisation/simulationVirtual synchronous generatorLoad Shedding
The invention discloses a coordination control method considering virtual synchronous generator access for power grid safety and stability and belongs to the technical field of a power system and automation thereof. The method comprises the following steps: a new energy collection station control substation calculates actual regulation amount of each virtual synchronous generator according to up-sent information of a virtual synchronous generator execution station, if the total amount of the actual regulation amounts of the virtual synchronous generators is smaller than a total amount specified in an emergency regulation instruction issued by a safety and stability control system master station, the new energy collection station control substation sends an additional control request to a generator tripping load shedding control substation, and the generator tripping load shedding control substation implements additional control. According to the method, control of the virtual synchronous generators is introduced into the safety and stability control system, when the safety and stability control system detects a fault, an offline control strategy is corrected by considering regulable regulation capacity and sensitivity difference of the virtual synchronous generators, and cost of conventional safety and stability control is reduced.
Owner:NANJING NARI GROUP CORP +1

Intelligent power utilization system and implementation method therefor

The invention relates to an intelligent power utilization system and an implementation method therefor. The method comprises the steps that intelligent power utilization sub-stations obtain the powerutilization information transmitted by intelligent power utilization equipment in an area under administration, gather the information, and upload the information to connected intelligent power utilization management main stations; each intelligent power utilization management main station receives the power utilization information uploaded by the intelligent power utilization sub-stations, gathers the information and uploads the information to a scheduling control system; the scheduling control system generates a main station load regulation and control task according to the power utilizationinformation and the total demands of load regulation and control, and transmits the main station load regulation and control task to the corresponding intelligent power utilization management main station; each intelligent power utilization management main station decomposes the received main station load regulation and control task into sub-station load regulation and control tasks, and transmits the sub-station load regulation and control tasks to the corresponding intelligent power utilization sub-stations; each intelligent power utilization sub-station decomposes the received sub-stationload regulation and control task into electric appliance load regulation and control tasks and transmits the electric appliance load regulation and control tasks to the corresponding intelligent powerutilization equipment. According to the invention, the system and method improve the feasibility of intelligent power utilization practically and effectively.
Owner:CHINA ELECTRIC POWER RES INST +2

Integrated intelligent teaching equipment

The invention discloses integrated intelligent teaching equipment. The equipment comprises a touch control panel and a writing board, the touch control panel is arranged on a first frame, the writingboard is arranged on a second frame, the writing board and the touch control panel are connected with each other through the first frame and the second frame which are arranged between the writing board and the touch control panel, and the first frame and the second frame are fixedly arranged through sheet metals; the touch control panel comprises the writing board, a first substrate, touch control film, a second substrate and a display screen, wherein a second adhesive layer is arranged between the second substrate and the touch control film, the writing board comprises a support plate and writing film, the writing film comprises a base material, a matte coating layer and an adhesive layer, the adhesive layer is uniformly arranged on one side surface of the base material, the matte coating layer is arranged on the other side surface, opposite to the adhesive layer, of the base material, and one face, provided with the adhesive layer, of the base material is in contact connection withthe support plate. The integrated intelligent teaching equipment has the advantages that large-scale touch control interaction setting is integrated with a traditional blackboard system, thereby enriching the connotation of the blackboard, and satisfying new requirements of the modern teaching on the blackboard.
Owner:UC NANO TECH CO LTD

Superlattice Sm-Mg-Ni multiphase alloy, preparation method and application of superlattice Sm-Mg-Ni multiphase alloy as well as nickel-metal hydride battery

The invention discloses a superlattice Sm-Mg-Ni multiphase alloy, a preparation method and an application of the superlattice Sm-Mg-Ni multiphase alloy as well as a nickel-metal hydride battery and belongs to the technical field of hydrogen storage material. The Sm-Mg-Ni alloy provided by the invention comprises A2B7 type Sm3MgNi14 and an A5B19 type Sm4MgNi19 superlattice phase. The preparation method comprises the following steps of preparing a cast Sm-Mg-Ni multiphase alloy from Sm, Mg and Ni as raw materials by virtue of a high-frequency induction melting method; grinding the cast alloy into powder, uniformly mixing the cast phase and sheeting; and then heating the sheeted sample to a certain temperature and sintering to obtain the superlattice Sm-Mg-Ni multiphase alloy. Superlattice Sm-Mg-Ni multiphase alloy provided by the invention has the characteristics of large hydrogen storage capacity, fast hydrogen absorption and release rate, good reversible hydrogen storage property and the like at room temperature and two drawbacks of relatively high cost and low hydrogen storage capacity of the traditional LaNi5-based hydrogen storage alloy are effectively broken.
Owner:深圳市德力普电池科技有限公司

Geology evaluation method for offshore sedimentary rock oil field

The invention relates to a geology evaluation method for an offshore sedimentary rock oil field. The geology evaluation method for the offshore sedimentary rock oil field comprises the following steps of: manufacturing a geology analog map; marking each geological parameter of a target oil field onto the geology analog map to obtain a plurality of target oil field mark points; successively connecting the target oil field mark points along each stage coordinate axis in order to obtain a target oil field polygon; selecting oil fields to be subjected to analogy with the target oil field; respectively marking each geological parameter of each oil field to be subjected to analogy to obtain a plurality of oil field mark points to be subjected to analogy; successively connecting the oil field mark points along each stage coordinate axis in order to obtain a polygon of the oil field to be subjected to analogy, and so forth, obtaining the polygons of all the oil fields to be subjected to analogy; carrying out analogy to the shape of the polygon of each oil field to be subjected to analogy with the shape of the target oil field polygon, and preliminarily determining the oil fields with the similar characteristic with the target oil field; carrying out secondary screening to each oil field to be subjected to analogy, which is obtained by original selection, so as to obtain the oil field to be subjected to analogy, which has the highest level of similarity with the oil field geology characteristic; and according to the obtained oil field to be subjected to analogy, guiding the target oil field to formulate a development strategy. The geology evaluation method for the offshore sedimentary rock oil field, which is disclosed by the invention, can be widely applied to the geology evaluation of the offshore sedimentary rock oil field and the oil field development.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Whole nutritive primary-taste porridge by using plumules as core, and making method of whole nutritive primary-taste porridge

The invention relates to whole nutritive primary-taste porridge by using plumules as a core, and a making method of the whole nutritive primary-taste porridge. The whole nutritive primary-taste porridge is made from the following raw materials in parts by weight: 30-90 parts by weight of glutinous rice, 2-12 parts by weight of sprouted chickpeas, 2-8 parts by weight of sprouted mung beans, 12-24 parts by weight of diced carrots, 12-36 parts by weight of sprouted brown rice, 20-80 parts by weight of glutinous corn, 6-24 parts by weight of fructo-oligosaccharide, 1-10 parts by weight of oat fibers, 1-10 parts by weight of starch, 1-10 parts by weight of konjac powder, 0.1-1 part by weight of corn germ powder, 0.01-0.025 part by weight of sucrose fatty acid ester, 0.01-0.1 part by weight of D-sodium ascorbate and 800-950 parts by weight of purified water. According to the whole nutritive primary-taste porridge disclosed by the invention, gamma-aminobutyric acid is enriched in the productnamely the whole nutritive primary-taste porridge, the raw materials of corn germs, the sprouted brown rice, the sprouted mung beans, the chickpeas, the glutinous rice, carrots, corn, the oat fibers and the like are screened, and the whole nutritive primary-taste porridge is processed and cooked; and besides, a food grain food material autologous stabilizing system is used, and the whole nutritiveprimary-taste porridge is reasonable in compatibility, and rich in flavor, and is suitable for all consumption crowds and suitable for old people and young people.
Owner:ANHUI TONGFU FOOD

Display method and device for application popup window and electronic equipment

The invention discloses a display method and device for an application popup window, electronic equipment and a computer readable storage medium, and the method comprises the steps: querying the priority and displayed times of operation activity contents displayed through the popup window last time when an instruction for exiting an application is received; when a preset display threshold value isreached, taking the priority lower than the priority of the operation activity content displayed last time as the priority of the operation activity content displayed this time according to a presetpriority sequence; and selecting the currently displayed operation activity content according to the priority of the currently displayed operation activity content, and displaying the currently displayed operation activity content through a pop-up window. According to the invention, when a user wants to quit the APP, after the displayed times of the operation activity content displayed last time reach a certain times, it is ensured that the user fully understands the operation activity content displayed last time, the new operation activity content is displayed through the pop-up window according to the priority sequence, and the user can be attracted to continue to use the APP.
Owner:北京淇瑀信息科技有限公司

A step-by-step self-adaptive fuzzy control method for metal-ceramic functionally graded material electric discharge machining

ActiveCN104028861BRealize real-time feedback controlEDM EfficientElectric circuitsDielectricGradient material
The invention discloses a step-by-step self-adaptive fuzzy control method for electrical discharge machining of metal-ceramic functionally graded materials, which belongs to the technical field of electrical discharge machining. To solve metal-ceramic functionally graded materials, due to the different components and structural characteristics of each layer, it is difficult to use EDM to process through-holes on metal-ceramic functionally graded materials and there are residuals between different gradient layers due to energy mismatch. The phenomenon of stress, a problem that affects the performance and life of metal-ceramic functionally graded material parts. Utilizing the structural characteristics of metal-ceramic functionally graded materials and their EDM discharge state characteristics, and according to the change of EDM discharge state of each layer of functionally graded materials as the excitation source, combined with fuzzy control theory to establish the electric discharge state of metal-ceramic functionally graded materials. The fuzzy controller model of spark processing realizes the real-time feedback control of the processing process, and performs energy matching step by step adaptively according to the different processing materials. Process control for metal-ceramic functionally graded materials.
Owner:HARBIN INST OF TECH

Intelligent drainage management system of irrigation area and regulating sluice for water storage and drainage

InactiveCN108935007AWith water storage functionPlay the effect of purifying agricultural non-point source pollutionWatering devicesCultivating equipmentsWater qualityEngineering
The invention provides an intelligent drainage management system of an irrigation area and a regulating sluice for water storage and drainage, which are capable of effectively saving irrigation waterand purifying water. A water management system comprises a management device which comprises a rainfall prediction part, a runoff yield prediction part, a decision making part, and a management side communication part, and at least one regulating sluice for water storage and drainage, which comprises a sluice gate, a driving part, and a sluice gate side communication part, wherein the rainfall prediction part predicts the rainfall within a future period of time according to the local weather report of the irrigation area; the runoff yield prediction part predicts the runoff yield of the irrigation area according to the rainfall, water regime monitoring information of a water basin, soil information, and land utilization information; the decision making part determines the water logging drainage discharge of the irrigation area according to the runoff yield, the land utilization area and the specified drainage time, makes comparison with the design discharge for surface drainage, and then makes an operation condition decision; the sluice gate side communication part receives the sent operation condition decision; the driving part drives the sluice gate to enter corresponding operation conditions according to the operation condition decision.
Owner:WUHAN UNIV
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