33results about How to "Reduced input requirements" patented technology

The invention provides a selective laser melting forming device of a medical magnesium alloy metal part, which comprises a control device, a powder delivering and spreading device, a laser transmission mechanism, an air purification device and a closed forming chamber, wherein the powder delivering and spreading device comprises a hopper and powder spreading brushes arranged on two sides below the hopper, the upper part of the hopper is arranged in a way of corresponding to a feeding opening on the upper part of the forming chamber, and the lower parts of the powder spreading brushes horizontally correspond to the upper surface of a forming cylinder; the laser transmission mechanism is arranged outside and above the forming chamber and is arranged in a way of corresponding to the forming cylinder; the side wall of the forming chamber is provided with an air inlet and an air outlet, and the air purification device is connected with the air inlet and the air outlet respectively; and the control device is connected with the powder delivering and spreading device, the laser transmission mechanism, the forming cylinder and the air purification device respectively. The invention also provides a selective laser melting forming method of the medical magnesium alloy metal part. The device and the method can manufacture parts which have complex shapes required in the medical field directly, and have the advantages of high forming efficiency and the like.

The present disclosure generally relates to methods and apparatuses for detecting gestures on a reduced-size electronic device at locations off of the display, such as gestures on the housing of the device or on a rotatable input mechanism (e.g., a digital crown) of the device, and responding to the gestures by, for example, navigating lists of items and selecting items from the list; translating the display of an electronic document; or sending audio control data to an external audio device.

The invention discloses an equipment life and health monitoring method and system based on original fault data. The method includes the steps: preprocessing the original fault data; building a two-parameter Weibull distribution model, determining a failure distribution function value by the aid of an approximate medium rank formula method, fitting out a regression equation of the Weibull distribution model by a least-square parameter estimation method at fault occurrence time based on the calculated failure distribution function value, and determining scale parameters and shape parameters; substituting the scale parameters and the shape parameters into a failure distribution function in two-parameter Weibull distribution, and determining a failure distribution function model; determining a reliability function; equipment reliability calculation: substituting time intervals between given time and last fault repair time into a reliability function, and calculating equipment reliability; dividing the health interval of equipment according to the obtained equipment reliability; giving suggested equipment maintenance starting and ending time according to the health interval of the equipment.

An apparatus, system, and method are disclosed for selecting ordered files for printing. A file selection module receives a plurality of file selections from a file selection window of a web-based graphical user interface. The file selection module receives the file selections in a file order that comprises the order each file is selected. A file order display module displays each file selection in the file order. In addition, a print job module creates a print job from the file order.

A method for displaying information includes receiving input from a user and adjusting a location of a cursor within a user interface based on the input. The method also includes determining whether the user has moved the cursor into a first portion of the user interface and initiating display of video content within the first portion in response to determining that the user has moved the cursor into the first portion.

The invention relates to a vacuum encapsulation technology for a transformer, which comprises the following steps: 1. an epoxy adhesive of A component and a device to be encapsulated are preheated in an oven for 2h to 4h, with the temperature of the oven set as 80 DEG C to 100 DEG C; 2. the epoxy adhesive of A component, which can be stirred after being preheated, is stirred; 3. after being stirred, the epoxy adhesive of A component is matched with an epoxy adhesive of B component according to a certain proportion, then mixed together and stirred fully; 4. the preheated device is taken out and the matched epoxy adhesives are poured into the shell of the device so as to lead the surface of the adhesives to reach the height of a wire wrap; 5. the device is put into a vacuum pump and vacuumized for 10 minutes; 6. the device is taken out and dried in the oven; 7. 2 hours later, the oven is opened to check whether the elasticity of the adhesive surface of the device is in a wiredrawing state; if so, a secondary encapsulation is conducted so as to cause the height of the adhesive surface of the device to meet the final requirements of drawings; and 8. after the secondary encapsulation, the device is sent into the oven again and dried. With the method of two times of encapsulations manually, the transformer after being encapsulated has no blister internally and is good in appearance, with electrical property up to the same level of the vacuum encapsulating machine.

A method and apparatus for generating and accessing a coded centralized dynamic database via a computer or computer network with the latest product and service information for use by retail establishments, manufacturing facilities, and product distributors.

The invention relates to a digital signal adaptive code rate estimation method and device based on multi-wavelet basis combination. The method comprises two steps of preprocessing and adaptive code rate estimation. In the preprocessing step, original I / Q data of an observation window is used as input, and a bandwidth rough estimation result and baseband I / Q data in a specified oversampling range are output through fast Fourier transform, frequency estimation, bandwidth rough estimation, down-conversion and down-sampling processing; in the adaptive code rate estimation step, the wavelet transform scale is adaptively selected according to a bandwidth rough estimation result, wavelet transform is carried out on the baseband I / Q data, jump information after transform is extracted, and finally,the code rate of a digital signal and a wavelet basis for signal acquisition are output through adaptive decision. According to the method, the problems of single wavelet basis application range andlow estimation precision of the traditional wavelet transform-based digital signal code rate estimation are solved, the accuracy of the digital communication system code rate estimation under the non-cooperative condition is improved, and the method can be applied to the fields of spectrum monitoring, electromagnetic reconnaissance and the like.

A system and method that allows convenient input of letters, numbers, and characters using an input requiring a minimal number of input buttons or keys enhanced by gestures. The system utilizes a two-stage input, first with an array “call-up” function that allows a user to select a range of letters, numbers, or characters, followed by a subsequent “specification” function that allows a user to select a specific letter, number, or character from the aforementioned array. This allows for input using wearable devices that have minimal surface area, or devices that do not require external keyboards to provide input, such as Blu-Ray players and smart televisions, while also saving space on a display, if utilized on mobile computing devices such as smartphones or tablets. The resulting input can be used in electronic communications such as email and SMS texting, or be used for word processing functions.

The invention discloses a space debris real-time astronomical positioning and photometry method based on pointing error automatic measurement. The method comprises the following steps: obtaining a fixed star and a space debris star image; performing fixed star retrieval; generating a theoretical star map; generating an actually measured star map; matching the theoretical star map with the actuallymeasured star map; pointing and image plane rotation measurement; optimizing a negative film model; calculating a photometric model; and performing space debris astronomical positioning and photometry. According to the invention, the negative film model can be automatically optimized according to the observation view field; according to the given time and the image center pointing on the image, the image center pointing and the image plane rotation angle are automatically measured, automatic matching of fixed star theoretical coordinates and actually measured coordinates is achieved, automatic matching of gray level of the fixed star on the image and theoretical star magnitude of the fixed star is achieved, and therefore real-time astronomical positioning and photometry of space debris are achieved.

The invention provides a DC ATX power supply supporting a plurality of input voltages, comprising an external voltage supply terminal, a control module and a DC-DC conversion module. The control module is used for detecting an external input voltage; comparing the input voltage with preset voltage; when the input voltage is higher than the preset voltage, starting the DC-DC conversion module to control the DC-DC conversion module to decrease the input voltage to the working voltage required by the DC ATX power supply; and when the input voltage is equal to the preset voltage, turning off the DC-DC conversion module in order that the external input voltage is directly output to an ATX interface. Thus, the DC ATX power supply can be compatible with various voltage inputs so as to support voltage input over 12V, solves the problem that the DC ATX power supply causes a computer motherboard to burn out when using power over 16V by mistake, and reduces the requirement for 12V voltage input.

The invention discloses a laser preparation device and method of a metal matrix carbon nanometer composite material. According to the device and method, a numerical control system is adopted for centralized control, a powder feeder controls metal powder to be laid on a substrate through a computer instruction, area selecting sintering is performed on the metal powder through laser beams according to computer graphic data, meanwhile, carbon source gas is introduced, thermolysis is performed in a high-temperature area controlled by a temperature compensating device, various carbon nanostructure materials are generated through catalysis and combined with a metal matrix in the sintering process in real time, and the metal matrix carbon nanometer composite material can be formed. According to the device and method, a powder paving device, a laser, a temperature adjuster and the like are used for centralized control through the numerical control system, and the device and method have the advantages of being high in instantaneity, high in processing speed and the like. The manufactured metal matrix carbon nanometer composite material is high in efficiency and accuracy and good in performance.

The invention discloses a space debris real-time astronomical positioning method based on automatic pointing measurement. The method comprises the steps of forming a theoretical star map; forming starimages of fixed stars and space debris; generating an actually measured star map; matching the theoretical star map with the actually measured star map; performing pointing and image plane rotation measurement; performing fixed star retrieval; optimizing a negative film model; and performing space debris astronomical localization. According to the invention, a negative film model can be automatically optimized according to the size of an observation view field, the image center pointing and the image plane rotation angle are automatically measured according to the given time on the image, andthe automatic matching of fixed star theoretical coordinates and actually measured coordinates is realized, so that the real-time astronomical positioning of space debris is realized; the telescope shafting machining precision requirement and the external field installation and debugging requirement are reduced, the observation station environment temperature parameter input requirement is reduced, and the requirement for pointing calibration before observation is reduced; under the condition that telescope pointing calibration cannot be achieved without precise astronomical longitude and latitude, the two-axis zero point difference of the telescope can be automatically measured, and real-time astronomical positioning of space debris can also be achieved.

A novel cylindrical inner gear turning method includes circumference numerical control forming and radial numerical control forming; a linear cutting shaft Z parallel to a workpiece shaft and a rotating servo shaft B of a workpiece are in linkage to achieve the method; by changing the positioning distance of the linear cutting shaft Z, the circumference numerical control forming is completed when the workpiece is rotated; circumferential feeding is achieved through the relative position of the linear movement of the shaft Z; during plane multi-point numerical control forming, the indexing of each one-point processed spiral line and teeth is achieved through the rotating servo shaft B, and meanwhile material removal in the tooth width direction is completed; a workpiece radial shaft X completes the radial numerical control forming of a plane multi-point numerical control forming method in a numerical control manner; and multi-point composite movement of the circumference numerical control forming shaft Z and the radial numerical control forming shaft X forms a plane involute. The novel cylindrical inner gear turning method is suitable for inner tooth machining of a small-diameter, large-modulus and large-spiral-angle involute, only a numerical control lathe and a machining program provided by the method are needed in machining, the machining efficiency is high, and the cost of a machine tool and a tool is low.

The invention provides an alarm monitoring method and system, electronic equipment and a computer readable storage medium, and relates to the technical field of monitoring, the method comprises the following steps: obtaining current waveform data, the current waveform data being current monitoring data arranged according to a time sequence; and determining a target alarm result according to the current waveform data and the trained regression alarm model. When a regression alarm model is trained, expert knowledge and a data rule of waveform data are fused, a system can accept non-strict assertion, and the input requirement of the system is reduced; industry experts can design some expert knowledge to start the system without thoroughly knowing the whole system, so that preparation before starting is reduced, and time consumed for system development is shortened.

The invention discloses a space debris real-time astronomical positioning method based on pointing error automatic measurement. The space debris real-time astronomical positioning method comprises forming a fixed star and a space debris star image; performing fixed star retrieval; generating a theoretical star map; generating an actual measurement star map; matching the theoretical star map with the actually measured star map; pointing and image plane rotation measurement; optimizing a negative film model; performing space debris astronomical localization. According to the invention, the negative film model can be automatically optimized according to the size of the observation field of view, the image center direction and the image plane rotation angle are automatically measured accordingto the given time and image center direction on the image, automatic matching of fixed star theoretical coordinates and actually measured coordinates is realized, and thus real-time astronomical positioning of space debris is realized.

The invention relates to a vehicle tracking collision safety test system and method. According to the vehicle tracking collision safety test system and method, all systems of a vehicle are in normal working states in the test process; (2) the self power is used for driving in the whole collision test process; and (3) cruising is carried out according to a preset state and collision is generated. The method comprises the following steps of controlling a tested vehicle in a test scene to automatically drive on a test road according to a preset driving track and preset driving parameters; collecting the real-time driving state information of the automatic driving of the tested vehicle on the test road in real time; performing deviation comparison on the real-time driving state information and the preset driving state information; and if a deviation value between the real-time driving state information and the preset driving state information exceeds a set deviation value range, controlling the tested vehicle to perform steering, acceleration and / or braking actions, so that the tested vehicle continues to collide with a target object located at a set position in the test scene according to the preset driving track and the preset driving parameters.

The invention discloses a space debris real-time astronomical positioning and photometry method based on automatic pointing measurement. The method comprises the steps of forming a theoretical star map; forming star images of fixed stars and space debris; generating an actual measurement star map; matching the theoretical star map with the actually measured star map; pointing and image plane rotation measurement; performing fixed star retrieval; optimizing a negative film model; calculating a photometric model; and performing astronomical positioning and photometry of space debris. According to the invention, the negative film model can be automatically optimized according to the observation view field; according to the given time on the image, the image center direction and the image plane rotation angle are automatically measured, automatic matching of fixed star theoretical coordinates and actually measured coordinates is achieved, automatic matching of fixed star gray values on theimage and theoretical stars of the fixed star gray values is achieved, and therefore real-time astronomical positioning and photometry of space debris are achieved.

The invention provides a preparation method of a herbicide oxadiazon intermediate 2, 4-dichloro-5-isopropoxy phenylhydrazine, which comprises the following steps: by taking a toluene solution of 2, 4-dichloro-5-isopropoxy aniline as a raw material, stirring to form a salt under an acidic condition, reacting with cyanate at a certain temperature to generate urea, degrading and rearranging by Hofmann in an alkaline environment, filtering, after recovering a solvent at normal pressure, taking 2, 4-dichloro-5-isopropoxy phenylhydrazine as a raw material, adding chloroform for extraction, and obtaining a chloroform solution of the 2, 4-dichloro-5-isopropoxy phenylhydrazine which can be directly used for an acylation process to synthesize the oxadiazon key intermediate 2, 4-dichloro-5-isopropoxy phenylhydrazine. According to the method disclosed by the invention, a complicated tin recovery process caused by reduction of diazonium salt by stannous chloride in a traditional synthesis process is effectively avoided, and generation of a large amount of high-salt wastewater in a recovery section is avoided; on the other hand, alkalization operation is avoided, solid materials are not added, the labor intensity is greatly reduced, and the production efficiency is effectively improved.

The invention discloses a method for real-time astronomical positioning and photometry of space debris based on automatic determination of pointing, including: generation of theoretical star map; star image of stars and space debris; generation of measured star map; matching of theoretical star map and measured star map; pointing and Image plane rotation determination; star retrieval; film model optimization; photometric model calculation; space debris astronomical positioning and photometry. The invention can automatically optimize the negative film model according to the size of the observation field of view, automatically measure the image center pointing and image plane rotation angle according to the given time on the image, realize the automatic matching of the theoretical coordinates of the stars and the measured coordinates, and realize the gray value of the stars on the image. The automatic matching of its theoretical magnitude enables the real-time astronomical positioning and photometry of space debris.

A new type of cylindrical internal gear turning method, including circumferential NC forming and radial NC forming, which is realized by the linkage between a linear cutting axis Z-axis parallel to the workpiece axis and the rotary servo axis B-axis of the workpiece. By changing the linear axis Z-axis Positioning distance, complete the circular NC forming when rotating the workpiece, realize the circular feed through the relative position of the Z-axis linear motion, in the plane multi-point NC forming, the helix of each single point processing and the indexing between each tooth It is realized by a servo rotating axis B axis, and at the same time, the material removal in the tooth width direction is completed; the radial axis X axis of the workpiece completes the radial numerical control forming of the plane multi-point numerical control forming method by numerical control, and the circumferential numerical control forming Z axis and radial The multi-point compound motion of the X-axis of CNC forming forms a plane involute. The invention is suitable for processing the involute internal teeth with small diameter, large modulus, and large helix angle. During processing, only a numerical control lathe and the processing program provided by the method are needed, and the processing efficiency is high, and the cost of machine tools and cutting tools is low.

The invention discloses an equipment life and health monitoring method and system based on original fault data. The method includes the steps: preprocessing the original fault data; building a two-parameter Weibull distribution model, determining a failure distribution function value by the aid of an approximate medium rank formula method, fitting out a regression equation of the Weibull distribution model by a least-square parameter estimation method at fault occurrence time based on the calculated failure distribution function value, and determining scale parameters and shape parameters; substituting the scale parameters and the shape parameters into a failure distribution function in two-parameter Weibull distribution, and determining a failure distribution function model; determining a reliability function; equipment reliability calculation: substituting time intervals between given time and last fault repair time into a reliability function, and calculating equipment reliability; dividing the health interval of equipment according to the obtained equipment reliability; giving suggested equipment maintenance starting and ending time according to the health interval of the equipment.

The invention provides an OGS capacitive touch screen and a production method thereof. An ITO electrode is arranged on the substrate, a border layer is arranged on the ITO electrode, a circuit layer is arranged on the border layer, and a cover plate layer is arranged on the circuit layer; a metallic circuit is distributed on the circuit layer; the border layer comprises a conducting layer, a border and at least two through holes, the through holes are formed in superposed positions of the ITO electrode and the metallic circuit of the circuit layer, and the conducting layer is arranged in the through holes; the cover plate layer comprises a shading cover bottom and a cover plate through hole, and the cover plate through hole penetrates through the shading cover bottom and is arranged in a hot-press area. According to the OGS capacitive touch screen and the production method thereof, the requirements on equipment investment can be effectively lowered, so that the OGS capacitive touch screen can be extensively used.

The invention discloses a space debris real-time astronomical positioning and photometry method based on pointing error automatic measurement. The method comprises the following steps: obtaining a fixed star and a space debris star image; performing fixed star retrieval; generating a theoretical star map; generating an actually measured star map; matching the theoretical star map with the actuallymeasured star map; pointing and image plane rotation measurement; optimizing a negative film model; calculating a photometric model; and performing space debris astronomical positioning and photometry. According to the invention, the negative film model can be automatically optimized according to the observation view field; according to the given time and the image center pointing on the image, the image center pointing and the image plane rotation angle are automatically measured, automatic matching of fixed star theoretical coordinates and actually measured coordinates is achieved, automatic matching of gray level of the fixed star on the image and theoretical star magnitude of the fixed star is achieved, and therefore real-time astronomical positioning and photometry of space debris are achieved.

The invention discloses a laser preparation device and method for a metal-based carbon nanocomposite material. The invention adopts the centralized control of a numerical control system, the powder feeder controls the metal powder to be laid on the substrate through computer instructions, and the laser beam realizes the laser beam on the metal according to the computer graphic data. Selective sintering of powder, while introducing carbon source gas, pyrolyzing and catalyzing various carbon nanostructure materials in the high temperature area controlled by the temperature compensation device, and real-time composite with the metal matrix in the sintering process to form metal-based carbon nanocomposites. The present invention centrally controls powder spreaders, lasers, temperature regulators, etc. through a numerical control system, and has the advantages of strong real-time performance and fast processing speed. The present invention prepares metal-based carbon nanocomposites with high efficiency, high precision, and good performance.

The invention discloses a pile testing system for a bridge single pile anchoring method based on the shoulder pole principle. According to the pile testing system for the bridge single pile anchoringmethod based on the shoulder pole principle, two anchored piles are equidistantly arranged on two sides of a test pile, a jack is arranged on the top of the test pile and the midpoint of a steel transverse beam is braced by the jack, and two ends of the steel transverse beam are vertically connected to the anchored piles through steel suspenders. According to the 'two-anchored pile-one-test pile system', requirements are met by the composition strength, rigidity and stability of the system correspondingly; test equipment such as two anchored piles, multiple rigid secondary beams and multiple sets of connection devices are directly reduced; occupation requirements for construction sites and input requirements for hoisting equipment are lowered; and the pile testing cost is lowered. A manufacturing manner of workshop machining is adopted by components such as locating plates, the steel transverse beam, the steel suspenders and connection barrels correspondingly. Manufacturing of the components and bridge onsite construction pile foundation are conducted simultaneously, and the pile testing construction time is shortened. A mechanical manner is adopted, and main reinforcing bars are directly anchored to the steel suspenders and the connection barrels through anchoring plates. Construction is convenient and efficient, operation is convenient, and installing efficiency and the anchoring quality are improved. The pile testing system for the bridge single pile anchoring method based on the shoulder pole principle is simple in force bearing, clear in force transmission and convenient to operate; and the project construction time and cost can be lowered conspicuously.

The invention discloses a variable-speed rotating mechanism, a slide rotating device, a dough coiling machine and a receiving disk arrangement machine and relates to the field of drive. The variable-speed rotating mechanism comprises a first frame and a drive belt, two drive parts axially parallel to each other and opposite in position are rotatably connected to the first frame along the axis direction, each drive part comprises a cone-frustum-shaped rotating body arranged on the first frame, each cone-frustum-shaped rotating body is provided with helical blades, the drive belt sleeves the twodrive parts, and each end of the drive belt, close to each drive part, is connected to the rotating body of the drive part in an abutted manner. The variable-speed rotating mechanism has the advantage that the radius of the drive belt on the two drive parts changes continuously, and then variable-speed rotation of the drive parts is achieved.