259results about How to "Give full play to the advantages" patented technology

The invention discloses a short-term power load prediction method based on a multilayer improved GRU neural network. The method comprises the following steps: periodically establishing a sample data set; performing abnormal point identification and missing value processing on input data in the samples, performing standardized transformation on the processed data, and dividing the data set into a training set, a verification set and a to-be-predicted set; constructing the improved GRU neural network, and inputting the data of the training set in the network for training the same for multiple times to obtain a trained network, verifying the test learning result of the verification set by using the network for multiple times, and recording and storing the model weight of the optimal verification result; and inputting the to-be-predicted set in the trained optimal GRU model, calculating a standardized prediction result and performing reverse standardized transformation to obtain a final prediction result. By adoption of the short-term power load prediction method, the training speed and the training efficiency are improved.

The invention relates to a swallow-type tilt-rotor aircraft, which integrates a helicopter with a fixed-wing aircraft. With external shapes changed, three aircraft types, namely the helicopter, the fixed-wing aircraft and the tilt-rotor aircraft, can be used for flying independently. The aircraft adopts a swallow-type aerodynamic configuration and has a geometrical shape similar to a swallow among flyers. The aircraft is provided with a hydraulic staypole folding wing; an outer segment wing and a middle segment wing are in hinged connection and can be folded downwards and stretched upwards; a coaxial tilt-rotor system is arranged on a wing beam structure of the middle segment wing, forming a horizontal-type double-rotor configuration; two pairs of rotors can rotate to and fro between a vertical position and a horizontal position; when the rotors are positioned in the vertical position and the outer segment wing is folded downwards, the aircraft is a helicopter; when the rotors are positioned in the horizontal position and the outer segment wing is stretched upwards, the aircraft becomes a fixed-wing aircraft. The aircraft is provided with a combined-type engine system consisting of a plurality of engines and a common axis, thereby having reliable safety performance. The aircraft is simple in structure, good in performance and wide in practical range.

The method comprises: newly adding a communication scheduling layer into original data link layer of Ethernet; in relation to the standard channel using TCP/IP, newly adding a real time channel; according to the greatest common divisor of control cycle in the actual control area, using a three segmentation dividing principal to divide macro cycle into three time segmentations on time axis; the bus arbitration uses a approach of combining the distribution with the concentration, and uses a time slot distribution based scheduling approach to send the cyclic data relating to the realization of control function in the time segmentation, uses the centralized scheduling approach with priority controlling function to send the system data and non cyclic data in the time segmentation; all slave devices in the system keep the time consistence with the master device by using a clock synchronous algorithm; the logic addressing is made based on the device ID; realizing the real time Ethernet determinacy communication.

The invention relates to a load balancing software architecture based on a multi-core platform and a method therefor, comprising the following content: 1) the multi-core platform and load balancing equipment are taken as framework elements, and a kernel thread is initialized for every network card on the load balancing equipment to be taken as the soft interruption routine of the network card; the kernel threads respectively process input and output of the corresponding network cards, and the kernel threads are independent; 2) an independent channel is set up for the information exchange between every two network card threads, and a group of bidirectional ring-shaped arrays can be set up in each channel and taken as a coupler between the multi-core platform and load balancing equipment; the ring-shaped arrays can maintain a writing point and a reading point and are respectively operated by two threads, so that the information exchange between the threads is not needed to be locked; 3) routing policy of balanced load of a server can be realized in the soft interruption routine of the input of the network card, and all work of an application layer is executed in a link layer. The multithreading lockless software architecture is adopted to realize the balanced load of the server; furthermore, the practice proves that the invention can remarkably improve the performance of the load balancing equipment.

The invention discloses a CPU scheduling method, device and system based on a heterogeneous multi-core system, and relates to the technical field of CPU scheduling on a computer system. The CPU scheduling method, device and system are used for achieving CPU scheduling on the heterogeneous multi-core system, reasonably using resources, improving the system performance and sufficiently giving play to the advantages of the heterogeneous multi-core system. The CPU scheduling method based on the heterogeneous multi-core system includes the steps of receiving application program performance type information sent by a processing device, and scheduling CPUs for application programs according to the application program performance type information.

The invention discloses an Android platform based double-screen display method. The method is used for switching display between a first display screen and a second display screen and comprises the steps that step1, a Display Hardware object describing the display screens is created in the system, and the Display Hardware object is initialized, wherein three modules of Gralloc, Overlay and OpenGLES are initialized successively during the initialization; step2, the Gralloc module refreshes a UI portion of the first display screen and monitors control instructions from a UI man-machine interaction interface, double-screen display and video switch operations are performed if the control instructions are execution of double-screen display, and contents of the first display screen are transmitted to the second display screen to be displayed.

The invention discloses a hybrid measurement method for positioning a part to be assembled in the flexible assembly process of airplane components, belonging to the research contents of modern manufacturing technology in the field of advanced manufacturing technology. The method is a measurement positioning method for establishing a relative positional relationship between automatic hole making equipment and the part to be assembled in the flexible assembly process of the airplane components. The method adopts a laser measurement apparatus as a rough positioning means of the hole making equipment and adopts photographing measurement equipment as a means of accurately positioning the part to be assembled, and realizes accurate positioning of the part to be assembled by two steps. Through the method, the problem of incoordination between the automatic hole making equipment and a workpiece to be assembled resulting from excessive error accumulation of the assembly process in the flexible assembly process of the airplane components is solved to a certain degree, and an effective means of using automatic equipment in the flexible assembly of the airplane components is provided.

This invention discloses a method for producing low-sulfur low-arene diesel oil. The method comprises: mixing base oil and hydrogen, introducing into a hydrogenation reactor, reacting in the first hydrogenation region by contacting hydrorefining catalyst I, directly introducing the reaction product into the second hydrogenation region without separation, reacting by contacting hydrorefining catalyst II, cooling and separating the reaction product to obtain hydrogen-rich gas and liquid substance, circulating the hydrogen-rich gas for repeated use, introducing the liquid substance into a fractionating system, fractionating to obtain crude gasoline fraction, light diesel oil fraction and heavy diesel oil fraction, introducing part or all of the heavy diesel oil fraction bake to the hydrogenation reactor. By the method, high-sulfur, high-nitrogen and high-metal content diesel oil fraction can be treated under mild conditions, and clean diesel oil (with low sulfur content and low arene content) can be obtained. The method has such advantages as simple process, low operation pressure, low apparatus investment and low operation cost.

The invention belongs to the technical field of plant protection, and relates to a tobacco-black-shank-resisting and tobacco-bacterial-wilt-resisting bio-control strain Trb3. The bio-control strain is a bacillus subtilis. A method for preparing a microbial agent by using the strain Trb3 comprises the steps that: the strain Trb3 is subjected to oscillation culturing in an LB culture solution for 36-40h under a speed of 180rpm under temperature of 28 DEG C; the obtained material is centrifuged for 10min under a speed of 6000rpm; the material is diluted by using sterile water, such that the microbial agent is prepared, wherein a viable bacteria total concentration in the microbial agent finished product is 1*10<9>-1*10<10>u/ml. The Trb3 strain microbial agent is applied for root dipping before tobacco transplanting or for root irrigating during tobacco transplanting, and for root irrigating after tobacco transplanting and right before disease periods of tobacco black shank and tobacco bacterial wilt. In a greenhouse, a controlling effect of the Trb3 strain microbial agent against tobacco black shank reaches 72.3%, and a controlling effect of the Trb3 strain microbial agent against tobacco bacterial wilt reaches 65.7%. When the Trb3 strain microbial agent is applied in field, a controlling effect of the Trb3 strain microbial agent against black shank and tobacco bacterial wilt is 61.04%.

The invention discloses a game gesture control method applied to a double-screen mobile terminal which comprises a first screen and a second screen. The method includes: when the first screen displaysa game interface, detecting touch operation gesture based on preset touch areas in the first screen and the second screen in real time; when the touch operation gesture based on the preset touch areas in the first screen and/or the second screen is detected, judging whether the touch operation gesture is matched with preset touch operation gesture or not; if yes, generating a corresponding game control instruction according to the touch operation gesture; controlling a game role in the game interface to execute corresponding action according to the game control instruction. The invention further discloses the double-screen mobile terminal and a computer readable storage medium. Game control can be realized through the double screens, so that game experience of a user is improved.

The invention discloses a flying capacitor charging device and a flying capacitor three-level chopper circuit. The flying capacitor charging device comprises a second charging module connected to theflying capacitor three-level chopper circuit, and a control module connected with the flying capacitor for detecting the voltage value of the flying capacitor, when the detected voltage value of the flying capacitor is smaller than a first preset value, the second charging module is controlled to charge the flying capacitor, and when the detected voltage value of the flying capacitor is greater than a second preset value, the second charging module is controlled to stop charging the flying capacitor. The flying capacitor in the flying capacitor three-level chopper circuit in a standby state ischarged through the flying capacitor charging device, the voltage of the flying capacitor is maintained within a normal variation range, that is, near half intermediate DC voltage, the voltage withstood by switching transistors and diodes in a first switch, a second switch, a third switch and a fourth switch is further ensured to be in a safe range, and the advantages of the flying capacitor three-level chopper circuit can be fully utilized.

The invention relates to a vibration molding-based method for design of mix proportion of graded broken stones, comprising the following steps: (1) selecting raw materials: selecting limestone as the base stone of the graded broken stones, adopting a reaction crusher to roll till the technical requirements are met; and selecting drinking water as added water for the mixture of the graded broken stones; (2) preparing optimized graded broken stones; (3) adding the drinking water into the graded broken stones in the step (2) according to 4-5% of water content to prepare a plurality of groups of mixtures of the graded broken stones; (4) carrying out vibrating compaction on the groups of mixtures of the graded broken stones obtained in the step (3), and determining the optimum water content and maximum dry density of the mixture of the graded broken stones under a vibrating compaction test mode; and (5) verifying the performances: under the conditions of the optimum water content and the maximum dry density determined by the step (4) and 98% of compaction degree, adopting a vibration molding test method to determine the California bearing ratio (CBR) of a test piece. The mixtures of the graded broken stones designed by adopting the method have the characteristics that the strength is high, the total quality is high, the construction is simple and convenient and the cost is low.

The invention relates to a preparation method of a polyimide paper honeycomb core. The method includes the following steps: (1) raw material paper is glued, laminated and hot-pressed, and a honeycomb stacked block is manufactured; (2) the honeycomb stacked block is molded at high temperature after being pulled, and a white honeycomb block is manufactured; (3) gum dipping is carried on the white honeycomb block, and the white honeycomb block is solidified; (4) a honeycomb after the gum dipping and solidification is sliced. The method is characterized in that the raw material paper is polyimide paper. Due to the fact that the polyimide paper is made of polyimide fibers, good characteristics of the polyimide fibers are inherited. Therefore, the prepared polyimide paper honeycomb core has better heat-resistant performance, dielectric performance, smoke and fire toxicity and mechanical performance compared with an aramid fiber paper honeycomb core in the prior art, the water absorption rate is low, the application field is widened, and service life of the honeycomb is prolonged in special environments. Production equipment of the aramid fiber paper honeycomb core in the prior art can be used, novel instruments and devices do not need to be added, process procedures are basically unchanged, operation is convenient, and equipment cost is not increased.

The invention discloses a multiple uncertainty encryption system with a misleading function, which aims at attacks such as rubber-hose attacks, key stealing, brute force attacks and the like. Multiple encryption is performed, and an algorithm and encryption multiplicity are uncertain, so the system has multiple uncertainty, a password analyzer cannot perform analysis, and even though the brute force attacks are adopted, a plaintext obtained only by incomplete single decryption is meaningless. The encryption multiplicity of the algorithm, encryption algorithms of each layer and keys of each layer are all uncertain, and are all included in a structural master key. The multiple uncertainty makes securer the algorithm. The system is required to comprise an improved one-time pad mechanism, and one-time pad has high reversibility, so the encryption system can obtain pseudo keys in two ways to mislead and confuse the password analyzer, and has high value in military affairs and special occasions.

The invention discloses a composite cathode material for secondary aluminum batteries. The composite cathode material is formed by compounding microporous carbon spheres, sulfur and graphene, has good electric conductivity and is capable of effectively suppressing that polysulfide dissolves in electrolyte to cause the shuttle effect. The preparation method of the composite cathode material comprises the following steps: firstly compounding the microporous carbon spheres and the sulfur, and then cladding the outer layer of the composition with a graphene sheet layer. The preparation method is simple in process and low in cost, toxic raw materials are not used, environment friendliness is achieved, the energy density is high, the utilization ratio of the sulfur is high, and the rate capability and the cycle performance of the secondary aluminum batteries are improved greatly.

The invention provides oat milk and a preparation method thereof. The oat milk is characterized by comprising the following components according to the part by weight: 20 to 70 parts of oat enzyme hydrolysis solution, 30 to 80 parts of milk, 0 to 0.5 part of stabilizing agent, 0 to 3 parts of white granulated sugar, 0 to 2 parts of polyglucose, 0 to 2 parts of high fructose corn syrup, 0 to 1.5 parts of honey, 0 to 1.5 parts of maltodextrin, 0 to 1 part of fructo-oligosaccharide, 0 to 1 part of galacto-oligosaccharide syrup, 0 to 1 part of wheat germ powder, and 0 to 0.5 part of salt. According to the invention, easily-absorbable oat enzyme hydrolysis solution is added in milk, so that double nutritions of oat and milk are combined perfectly, and then nutrition requirements and psychological requirements of modern consumers on living are met.

A synthetic aperture radar system using chaos signal comprises base band chaos signal generator, orthogonal modulator, the first and the second intermediate band-pass filter and amplifier, the first and the second mixer, power amplifier, low noise amplifier, coherent rectifier, A/D converter, data recorder, imaging processor, timer, frequency source, duplexer and antenna for easily clearing off noise signal and raising width of mapping belt.

The invention relates to a method of lifting energy utilization ratio of hybrid engine vehicle and a method of failure diagnosis, which can lower the load of the hybrid engine vehicle, further lower consumption of automobile fuel and timely diagnose and treat the failure of high voltage direct current to low voltage direct current converter. The invention adopts the technical proposal that: a converter which can convert high voltage direct current into low voltage direct current is arranged between power batteries and low voltage battery. A whole vehicle controller of hybrid engine vehicle isused for monitoring the low voltage battery; when the low voltage battery cannot charge normally or the low voltage battery is lower than minimum limit value of output voltage of the converter; or thewhole vehicle controller of hybrid engine vehicle detects that the output current of the converter is lower than the charged current for the low voltage batter by the converter, thereby switching into charging failure mode; the whole vehicle controller of hybrid engine vehicle enables the converter to close, thereby stopping the function of idle speed shutdown and automatically restarting for thestarting the power motor.

The invention discloses a method for evaluating the denitration capacity of an SCR reactor. The method comprises the following steps: carrying out pretreatment; obtaining historical data of each measuring point of the unit from a data source; performing data preprocessing and outputting; the inlet NOx concentration is subjected to oxygen correction, and calculating the ammonia consumption for removing unit NOx; dividing temperature and outlet NOx concentration working conditions and selecting typical working conditions; and fitting an ammonia consumption curve for removing the unit NOx, carrying out corresponding conversion, determining an upper limit according to the calculated corresponding relation between the ammonia consumption for removing the unit NOx and the ammonia escape rate, and evaluating the denitration capability of the SCR reactor by combining the slope of the trend line and the upper limit. According to the evaluation method for the denitration capability of the SCR reactor, provided by the invention, steady-state tracking and self-adaptive correction calculation can be realized.

The invention discloses an enhanced position fingerprint indoor positioning method integrating Wi-Fi and Bluetooth. The method is integrated with Wi-Fi and Bluetooth enhanced position fingerprint indoor positioning. The two modes of Wi-Fi and Bluetooth adopt signal strength indication RSSI position fingerprints to carry out indoor positioning, only the mapping relation between the received signalstrength and the spatial physical position is needed for positioning, the cost of a positioning system can be effectively reduced, and the robustness of the multipath effect in the complex environmentis greatly improved. RSSI parameters are dynamically corrected according to RSSI vector values, received from a plurality of preset access point AP node devices in a to-be-tested environment, of respective corresponding test positions, and a result obtained by a position fingerprint method can be close to an actual position to the greatest extent by using a k-weighted neighbor method, so that thepositioning precision is improved. The present invention uses advantages of dual-mode positioning are brought into full play through decision-level fusion of the Wi-Fi and the Bluetooth, and the indoor positioning precision can be effectively improved under the condition of self-adapting to most complex environments.

The invention belongs to a two-dimensional measuring technique of the quality of a cold neutron beam and particularly relates to a multipurpose fight time device of quality measurement of the cold neutron beam. The structure of multipurpose fight time device of the quality measurement of the cold neutron beam comprises a first slit device for passing the cold neutron beam. The rear side of the first slit device is provided with a mechanical chopper which is connected with an inlet end of a neutron flight tube, wherein the neutron flight tube is parallelly arranged. An outlet end of the neutron flight tube is connected with a second slit device. The rear side of the second slit device is provided with a detector and a shield device. The detector is connected with a computer through a multichannel time analyzer. The multipurpose fight time device of the quality measurement of the cold neutron beam is ingenious in structure, low in hardware cost and easier and more stable in the whole system and can achieve high precision of corner positioning and quick starting and braking. In the meantime, specific designing conditions of a transmission system of the cold neutron beam can be considered, so needs of beam energy spectrum and quality parameter measurement required by each cold neutron spectrometer can be fully met.

The invention discloses a polyimide paper honeycomb core and a preparation method thereof. The polyimide paper honeycomb core is prepared by the following methods: (1) performing gluing treatment, namely coating a polyimide adhesive on the surface of polyimide paper, superposing multilayer glued polyimide paper in a staggered mode, and finally performing hot-pressing to prepare a honeycomb laminate by utilizing a hot press; (2) performing setting treatment, namely stretching the honeycomb laminate, forming regular hexagon honeycomb hole lattices, and setting in a drying box to preparw white honeycomb blocks; (3) performing impregnation treatment, namely impregnating and curing the white honeycomb blocks to prepare the polyimide paper honeycomb core. The polyimide paper honeycomb core prepared by the method has the characteristics of high temperature resistance and low moisture absorption property, and the strength of the polyimide paper honeycomb core can be further improved.

The invention is applied to the technical field of televisions and provides a television system, a communication control method thereof and a terminal. The television system comprises a television and a set-top box. The television or the set-top box is communicated with television networks. The television or the set-top box comprises a wireless unit. The system also comprises a terminal which comprises a wireless unit and an information processing unit. The information processing unit controls the wireless unit of the terminal to be connected with the wireless unit of the television or the set-top box according to an operation of a user and to be further communicated with the television networks, and realizes the communication with the telephone terminal through the television networks. The television system, the communication control method thereof and the terminal ensure that the user can communicate with the television or the set-top box through the terminal and then communicate with the television networks to realize communication, give full play to the advantages of the television networks, greatly expand the functions of the television or the set-top box, and bring great convenience to the popularization of the television system.

The invention provides an Ethernet deterministic data transmission method of a data-oriented role, and meets the requirements of advance process control (APC) application for collecting internal data of IC (Integrated Circuit) equipment. The method comprises the following steps: adding a communication scheduling layer between an Ethernet data link layer and a network layer; adding a real-time channel; acquiring the maximum common divisor of period values according to data of each data tracking request in a data acquiring plan to determine a macro cycle value; and dividing the macro cycle into four time ranges in a time axis according to a four-part form dividing principle, and determining transmitting modes of messages based on the characteristics of the various messages ; carrying out the bus arbitration in a way that the time triggering and event triggering are combined; and keeping time consistency of all sub-equipment in the system and the main equipment based on a clock synchronization algorithm. With the adoption of the method provided by the invention, relevant communication scheduling methods are provided to the data which have the different requirements on transmitting time limitation according to the specific characteristics of various data in the IC equipment, and the requirements of the APC application to the data access of the equipment can be met well.