83results about How to "Highly executable" patented technology

The invention discloses a government services cloud access control method based on attribute encryption. A central authority determines all attributes of a system, permits or revokes attribute authority management authority, and authenticates administrative staff; an attribute authority receives the login of administrative staff in the jurisdiction thereof and is simultaneously responsible for attribute revocation of the administrative staff; a cloud server stores data and carries out semi-decryption on an encrypted file when a user sends out a data request; a data uploader makes an access control strategy according to the security level of the file, and encrypts and uploads the file after name signing; and an access user sends out a data access request and finally decrypts the encrypted file. By adopting the attribute encryption scheme, the loads caused by user attribute revocation and encrypted file updating are reduced, the trap door information capturing of the user is controlled, and attribute revocation is carried out on the user under the condition that the encrypted file is not changed; in addition, by utilizing the name signing and attribute encryption scheme based on the identity, the safety authority of the user and fine-grained access control are realized.

The invention discloses an intelligent air purifier. An air runner is arranged in the intelligent air purifier. A plurality of filtering layers are arranged at the inner edge of the air runner. An air draft fan, a purifier body and an intelligent control module are arranged in the air runner. The output end of an air quality sensor is connected with the input end of the intelligent control module. The purifier body comprises a filter, a humidifier, an ozone generator, an oxygen generator and a negative oxygen ion generator. The intelligent control module comprises a central control unit, an intelligent positioning module, a base station data sharing module, a cloud data module, a wireless communication module, a mobile phone APP module, a speech recognition module and a purification alarm module. By means of the intelligent air purifier, air purification is intelligent, the profitless power loss of a traditional purifier is reduced, and energy consumption is reduced; connection between the wireless communication module and the Internet of Things is achieved, so that sharing of the air quality data is achieved, and users can master and monitor the living environment any time any where, and the air purification quality is improved.

The invention discloses a just-in-time-based parallel forward calculation programing method for steel-making production planned time. The method comprises the following steps of: on the basis that a steel-making production process flow network bottom layer object model takes a working position, a working procedure and a transport line as basic elements and the normal distribution rules of the operation time and transportation time of various steel grades are considered, regarding the pouring start time of each heat of sequential casting constraint calculation as a delivery date; taking the operation start time of each heat in the aspect of working procedure based on working procedure backward calculation as the planned reference target time; after the start and end operation time of each heat are calculated by time parallel forward calculation, distributing an appropriate processing working position for each heat by a working position selection rule; and adjusting and determining the start and end operation time on a corresponding working position of each heat by a heat operation time adjusting strategy in reference to the reference target time. An executable operation planning and dispatching scheme for realizing sequential casting production can be programmed rapidly and the method has high generality and wide applicability to the optimization of steel-making production operation planning and dispatching.

The invention relates to an operating temperature control device for an SCR (semiconductor control rectifier) denitration reactor of a thermal power plant and a control method of the operating temperature control device. At present, no convenient, flexible and effective control device and method for guaranteeing operating temperature of the SCR denitration reactor exists when exhaust gas temperature of the thermal power plant changes fiercely. The operating temperature control device comprises a coal economizer, a flue, the SCR denitraton reactor, a boiler, an evaporator, a water feed pump and a low-pressure steam pumping pipe, and is characterized by further comprising a high-pressure heater bypass, a high-pressure heater bypass stop valve, a coal economizer bypass, a coal economizer bypass stop valve, a coal economizer bypass electric adjusting valve, a high-pressure heater bypass control circuit, a coal economizer bypass control circuit, an SCR denitration reactor inlet smoke temperature measuring circuit and a controller. A temperature sensor is arranged at an inlet of the SCR denitration reactor, and the controller is connected to the temperature sensor through the SCR denitration reactor inlet smoke temperature measuring circuit. The operating temperature control device is simple in structural design, and convenient and flexible to use.

The invention provides a steel making factory multi-target scheduling plan compiling method considering molten iron supply time and molten iron resource utilization. The method comprises the following steps that a multi-target function and constraint conditions considering the molten iron supply condition are established, multiple Pareto optimal solutions about a decision variable are acquired by utilizing a multi-target genetic algorithm based on Pareto for iterative operation, and one concrete iterative process is that a matching scheme between charge and molten iron bottles is adopted to indicate chromosomes, and feasible solutions of all the chromosomes in the current population are acquired by utilizing a decoding heuristic method; a non-dominated solution construction method is designed to calculate non-dominated solutions of the feasible solutions; non-dominated hierarchical ranking is performed on the chromosomes corresponding to all the solutions and crowding distance between the solutions is calculated, and a parent population is selected; and selection, intersection and mutation are performed on the chromosomes in the parent population so that progeny populations are obtained. The problem of scheduling plan compiling considering the molten iron supply condition can be solved, and multiple Pareto optimal solutions are acquired so that decision makers are enabled to select more appropriate solutions to be applied to actual production.

The invention discloses an active power distribution network fault management method based on random optimization, and the method comprises the steps: building an uncertainty model, initializing a system, obtaining initial data, and simulating scene data including a load demand, renewable energy output and fault duration through a Monte Carlo method; and then, establishing a power optimization andpower flow optimization two-stage model, and meanwhile, configuring a risk management scheme to ensure that the obtained scheduling strategy can keep good applicability when facing an extreme scene.In the solving process, decoupling calculation is carried out on power optimization and power flow optimization, alternate iteration is carried out, and the difference value of the network loss valuescalculated twice is used as a convergence criterion; and finally, a calculation result during final convergence is taken as a day-ahead optimal scheduling strategy. According to the method, the economic benefit of the active power distribution network during normal operation can be effectively improved, and meanwhile, the load reduction cost under the fault condition is remarkably reduced.

The invention discloses a banknote face direction identification method and device. The method includes obtaining a gray scale image of a preset feature region of a banknote to be detected; calculating a gray scale average value of the preset feature region; determining the number of target pixel points in the preset feature region according to the gray scale average value of the preset feature region; and identifying the face direction of the banknote to be detected according to the number of target pixel points in the preset feature region. Through adoption of the abovementioned technical scheme, identification of the face direction of the banknote to be detected can be realized, and the effects of simplifying an existing identification method and improving the banknote face direction identification efficiency are achieved.

The invention discloses a GNSS observation value fixed weight method conforming to reality. The method comprises the following steps of obtaining a GNSS observation value; determining a satellite elevation angle, a satellite azimuth angle and carrier-to-noise ratio information corresponding to each observation value; constructing a fixed weight function considering the satellite elevation angle, the satellite azimuth angle and a carrier-to-noise ratio; using the fixed weight function to construct a random model; and realizing GNSS navigation positioning. In the method, observation value quality changes caused by some actual environment factors ignored in a traditional observation value fixed weight method are considered, and due to a fact that observation station environment factors are always closely related to the satellite elevation angle, the satellite azimuth angle and the carrier-to-noise ratio, the factors are fully considered, and the corresponding observation value fixed weight method is established. Compared with a traditional weight fixing method, by using the method of the invention, GNSS navigation positioning precision and reliability can be improved.

The invention provides a raw material scheduling method and device. The method comprises the steps that a raw material uncertain scheduling model is established; the raw material uncertain scheduling model is determined so that a determined constrained multi-target scheduling module is obtained; and the determined constrained multi-target scheduling module is solved so that raw material scheduling information is obtained, and raw material scheduling in the mixing process is performed according to the raw material scheduling information. The actual production process can be accurately described by establishing the raw material uncertain scheduling model, the raw material scheduling information of high accuracy can be obtained by a determined CMOSTA algorithm with variation, the raw material scheduling information has high performability, and raw material scheduling is performed according to the raw material scheduling information so that the production efficiency can be greatly enhanced and the product quality can be enhanced.

The invention provides a method for predicting a reservoir reform volume after vertical well volume fracturing of a low-permeability oil/gas reservoir. The method sequentially includes the following steps: (1) calculating an induced stress produced by a hydraulic fracture in a three-dimensional space; (2) calculating a stratum pore pressure obtained after leak-off of fracturing fluid; (3) calculating a stratum pore elastic stress obtained after the leak-off of the fracturing fluid; (4) overlapping the stress fields obtained in the step (1), (2) and (3) with an original crustal stress field to obtain a new crustal stress field, and calculating the magnitude and direction of the overlapped three-direction effective principal stress in the reservoir space; (5) calculating an open fracturing determination coefficient M of a natural fracture in the reservoir space and a shear fracturing area determination coefficient S of the natural fracture.

The invention relates to a method for realizing the insulation coordination of basic functional units of a voltage source converter (VSC) based on a half bridge circuit, which comprises the following steps of: 1) determining the insulation strength and properties of each component according to the steady-state over-voltage level, transient-state over-voltage level and transient over-voltage level of a sub-module under various operation conditions; 2) making equal the ground potential of a metal shell and a secondary control protection board of primary equipment and the potential of the cathode of the sub-module according to the potential distribution characteristics of the sub-module, and connecting the secondary control protection board and a primary circuit by using an isolation transformer to isolate the influence of the high voltage of the primary circuit on a secondary circuit; 3) shielding the electromagnetic interference of an insulated gate bipolar translator (IGBT) high speed switch in the secondary control protection board by using a metal shielding box according to the electromagnetic field distribution of the sub-module; 4) making equipotential an operating mechanism of a bypass switch and the cathode of the sub-module; and 5) selecting a high voltage wire as a wire crossing a high potential and a low potential to reduce the local discharge capacity of the sub-module. By the insulation coordination method, the insulation requirements of a system can be met, and high security and high economy are achieved.

The invention provides an interactive system and a method for controlling a vehicle application through the same. The interactive system comprises a touch screen, wherein the touch screen is provided with an input region. The method comprises the steps of displaying first expression of a first application in an edge region of the touch screen; displaying second expression of a second application in a main region of the touch screen; and when a first touch gesture is detected, displaying the first expression of the first application in the main region to replace the second expression of the second application, wherein the first touch gesture comprises a finger motion facing to the edge region along one or more lines, and the first touch gesture is unrelated to start and stop positions of the finger motion.

The invention discloses a CoO/rGO composite and a preparation method and application thereof, the CoO/rGO composite is formed by randomly distributing CoO nanorods in the shape of sugar coated haws ona stick on the surface of graphene, the CoO nanorods are composed of CoO nanoparticles, and a gap is arranged between adjacent CoO nanoparticles. The CoO/rGO composite is a double-effect catalyst fora lithium air battery. The CoO/rGO composite has good catalytic activity for both ORR and OER, and has very high battery capacity. The CoO/rGO composite has simple process, environmental friendliness, low cost and high efficiency and other characteristics.

The invention relates to a capping beam construction auxiliary device which at least comprises two triangular support units which are used for being arranged on the two sides of a pier column in the length direction of a to-be-poured capping beam and can be assembled to form an integrated triangular bracket capable of synchronously moving in the length direction of the pier column; a steel supporting frame which surrounds the pier column to form a non-contact space used for containing the pier column, and the two ends of the steel supporting frame are connected to a bottom end frame body of the triangular bracket and a bearing platform located below the pier column correspondingly, so that external force borne by the triangular bracket is transmitted to the bearing platform through the steel supporting frame; and the triangular bracket is hoisted to the steel supporting frame in the mode that a gap is reserved between the triangular bracket and the pier column. The advanced modular solution thought of modern standardization is applied to the technical field of capping beam construction, and the capping beam construction process which is numerous and complicated in original construction system and tedious in on-site assembly steps is simplified to obtain the modular capping beam construction auxiliary system which is high in executability and high in stability.

The invention discloses a mobile terminal control method based on radio frequency technology. The method comprises the following steps of: step A: presetting a radio frequency server on a set control area, wherein the radio frequency server at least comprises a control management module and a radio frequency reading and writing module; step B: presetting a radio frequency control circuit for a control mobile terminal, wherein the radio frequency control circuit at least comprises a radio frequency module and a safety control module, and the radio frequency module, the safety control module and a master control module of the mobile terminal are electrically connected in sequence; and step C: controlling the mobile terminal by the radio frequency server according to the condition whether the radio frequency reading and writing module detects a radio-frequency signal sent by the radio frequency module of the mobile terminal is or not. The mobile terminal control method based on the radio frequency technology, disclosed by the invention, is mainly used for controlling the mobile terminal under specific occasions.

The invention provides a classification management method of reactor internal components of a pressurized water reactor nuclear power plant, comprising the following steps: 1) determining an aging mechanism of reactor internal components; 2) determining screening criteria of components; 3) classifying that components in the reactor into A-type component and non-A-type components; 4) carrying out FMECA analysis on non-A-type components, further classify into A, B and C-type components; 5) carrying out functional evaluation on that C-type components, and confirm whether the C-type components aremaintained in the C-type component or are adjusted to the B-type components; 6) dividing that class B and the clas C parts into main inspection parts, enlarging the inspection part, existing outlineparts, and classifying the clas A parts as inspection parts without additional measures; 7) for that main inspection component, the enlarged inspection component and the existing outline component, the classification management method of the invention overcomes the problems of lacking theoretical basis in the management of the conventional reactor inner component components and lacking quantitative analysis in the analysis and evaluation process, and has the advantages of strong executability, high applicability and definite supplementary inspection requirements.

The invention relates to the technical field of flue gas desulfurization, and discloses a single-tower desulfurization ultra-clean treatment system and a desulfurization process, the single-tower desulfurization ultra-clean treatment system comprises a pre-absorption device and a desulfurization tower, and the pre-absorption device adopts spraying to pre-absorb flue gas; an absorption tower, a turbulent flow synergistic plate, a spraying layer, a slurry circulating pump, a synergistic dust removal device and a demister are sequentially arranged in the desulfurization tower from bottom to top; and the pre-absorbed flue gas enters the desulfurization tower through an absorption tower to finally finish desulfurization ultra-clean treatment. According to the invention, 20-30% of SO2 is captured after the flue gas is pre-absorbed and washed, and the reduction of the temperature and the concentration is more beneficial to the absorption of the subsequent absorption tower; and in addition, due to the design of the turbulent flow synergistic plate and the synergistic dust removal device, the desulfurization efficiency and desulfurization capacity are further improved. The system can meet the emission requirements that the SO2 concentration value at the outlet of the absorption tower is lower than 35mg/Nm < 3 > and the particulate matter concentration value is lower than 5mg/Nm < 3 > under the condition that the SO2 concentration at the inlet of the single-tower absorption tower is less than or equal to 6200mg/Nm < 3 >.

The invention discloses a direct-current bus voltage control method suitable for low-wind-speed distributed wind power generation. The low-wind-speed distributed wind power generation system adopted by the control method comprises a wind turbine, a generator, a machine-side converter, a voltage-stabilizing capacitor C, a grid-side converter and a direct-current bus. The low-wind-speed distributedwind power generation system can be directly connected to an alternating-current power distribution network. The low-wind-speed distributed wind power generation system further comprises a super capacitor. The super capacitor is connected in parallel with a bidirectional DC/DC converter and then is connected to a DC bus on the rear side of a machine-side converter. The DC/DC converter controls charging and discharging of the super capacitor in any control period T to maintain power stability of the DC bus injected into the wind power generation system. According to the method, the power stability of the direct current bus can be maintained, so that the delay between the actual value and the reference value of the d-axis current output by the PI regulator in the voltage outer loop control of the grid-side converter is reduced. The voltage stability of the direct-current bus is realized.