93results about How to "Obvious features" patented technology

The invention belongs to the technical field of rotation machinery fault diagnosis, especially relates to a planetary gear case fault diagnosis method based on order complexity, and is specially applied to a fault diagnosis method of a wind power planetary gear case under a variable working condition. The method comprises the following steps: preprocessing vibration signals; dividing faults of a planetary gear train into two kinds; obtaining a fault feature parameter; analyzing the vibration signals under a variable working condition of a planetary gear case; and performing instance verification discovery. According to the invention, the influence of the variable working condition can be avoided by use of an order analysis method, and the Lempel-Ziv complexity of angle-domain signals after order analysis processing is more stationary than that of time-domain signals. According to the Lempel-Ziv complexity of the vibration angle-domain signals of the planetary gear case, local faults and distribution faults of planetary gears can be identified, through simulation and analysis of actual cases, the effectiveness of the method is verified, and at the same time, under the condition of lack of fault data, the complexity can also be taken as the feature parameter for determining whether there is a fault or not.

The invention provides a method for preparing spherical silver powder. The method comprises the following steps of (1) weighing silver nitrate, and adding deionized water to prepare a silver nitrate solution with the silver ion concentration of 50-100g/L; (2) adding an organic dispersing agent into the silver nitrate solution, and uniformly mixing, wherein the weight of the organic dispersing agent is equal to 1%-5% of the weight of the silver nitrate; adding (NH4)2SO4 (ammonium sulfate) solution with the concentration of 150-250g/L, and adjusting the pH (potential of hydrogen) value to 4-6.5, so as to obtain a first water solution; (3) weighing ascorbic acid, and preparing into a reducing solution with the ascorbic acid concentration of 70-90g/L; (4) adding the reducing solution into the first water solution, and mixing, wherein the ratio of usage amounts of the first water solution and the reducing solution is 0.8:1; controlling the reaction temperature at 15-35 DEG C, using a high-efficiency stirrer to stir, and reacting for 15-20min, so as to obtain reaction sediments; (5) using the deionized water to wash the sediments, filtering and drying the sediments to obtain the dry silver powder, and then loading the dry silver powder into a high-speed rotary vibration powder sifting machine to disperse, so as to obtain the silver powder with high tap density.

The invention relates to an LED display screen uniformity correction method, which comprises the following steps: 1) collecting an original brightness value of an LED display screen; 2) determining a target brightness value of the LED display screen by utilizing a smoothing filtering function according to the original brightness value; 3) calculating LED light point correction coefficients of the LED display screen according to the difference between the target brightness value and the original brightness value; and 4) uploading and storing the LED light point correction coefficients to control system hardware of the LED display screen so as to carry out uniformity correction of the LED display screen. The method realizes brightness adjustment of the brightness value of each LED light point or pixel point of the LED display screen by adopting the smoothing filtering algorithm, so that the brightness of the whole screen is allowed to be uniform in vision, and the display effect of the LED display screen is greatly improved.

The invention relates to an image display method and an image processing method. The image display method comprises following steps: (i), receiving a video image; (ii), carrying out image segmentation processing to the input video image to obtain the large scale edge of the video image; (iii) carrying out edge sharpening processing to the input video image so as to form sharp edge step at the large scale edge of the video image, further obtaining a target video image with enhanced sensing contrast ratio under the illusion effect formed through paying close attention to the sharp edge by human eyes;; and (iv) output the target video image to a target display screen to carry out image display. According to the invention, relatively sharp edge profile is obtained through applicably increasing the edge step such as edge brightness step; therefore, the sensing depth of the image and the depth of field of the displayed image are increased through the illusion effect formed by paying close attention to the sharp edge by human eyes; and further the human eye sensing contrast ratio of the displayed image is improved.

The invention provides an ultrasonic phased array detection imaging system, comprising a phased array ultrasonic probe, a transceiver circuit, a signal processing module, a main control module and a human-computer interaction module. The phased array ultrasonic probe is connected to the signal processing module through the transceiver circuit, the signal processing module is connected to the maincontrol module, and the main control module is connected to the human-computer interaction module. The signal processing module converts detection control information of the main control module into an electric pulse control signal, controls a transmitting circuit of the transceiver circuit, and then controls the ultrasonic array probe to excite a corresponding sound beam to an object to be inspected. The ultrasonic beam is reflected by the internal defect of the object, after a detection echo signal is detected by a receiving circuit, the collected detection echo signal is processed to obtaindetection echo data, and the detection echo data is transmitted back to the main control module. The system can flexibly adjust the scanning coverage by detecting the configuration of detection parameters, the defect parts are detected, and the detection speed and accuracy are ensured.

The invention discloses a purely fermented low-alcoholic strength and low-sugar fresh-juice yellow wine and a production method thereof. The yellow wine is manufactured by the components with the weight portions as follows: 100 portions of sticky rice, 15 to 18 portions of wheat koji, 0.15 to 0.2 portion of Chinese yeast, 0.05 to 0.1 portion of lotus nut as well as 0.1 to 0.2 portion of lotus leaf. The production technique thereof comprises: I, raw material processing; II, potting and making air gaps; III, saccharifying and adding the wheat koji to flush the cylinder; IV, fermenting, harrowing operated and after fermenting; V, filter pressing, sterilizing and packaging. The invention solves the six difficulties of Huzhi wine, including easily becoming acid, containing high sugar, searching cold, changing color, hurting stomach and being incapable of producing in hot days and meets the consumption demand of the current consumers on paying more attention on the self-body health care and preserving increasingly.

An IQ imbalance correction method in a wireless communication device includes transmitting a plurality of pairs of RF training signals in installments by pairing RF training signals symmetric with respect to a center frequency on a frequency axis; setting a reception local frequency to change to a frequency that is suitable to receive, via an internal path, each of the plurality of pairs of RF training signals transmitted in installments, and suitable to convert the each of the plurality of pairs of RF training signals into IF training signals; and performing quadrature demodulation on the IF training signals, respectively, in a digital circuit area to generate BB training signals.

The invention discloses an omnidirectional backswing travel mechanism which can omni-directionally move by utilizing kinetic energy. The omnidirectional backswing travel mechanism comprises a middle power device (1), more than 3 energy transfer pipelines (2) which are connected with the middle power device (1), energy control valves (3) which are installed on the energy transfer pipelines (2), power spraying nozzles (4) which are arranged at tail ends of the energy transfer pipelines and a frame (5) which is used for installing the mechanism. The power device (1) provides energy (high pressure water and gas) which are transferred to the power spraying nozzles (4) through the energy transfer pipelines (2) to generate backswing the kinetic energy, close and operation of the power spraying nozzles (4) are controlled through the grouping energy control valves (3), and accordingly the moving speed and direction of the mechanism is controlled. According to the omnidirectional backswing travel mechanism, different directional power spraying nozzles are adopted to control the spraying nozzles to operate or not, the kinetic energy is obtained, and an omnidirectional backswing moving effect of the mechanism is achieved.

A method of monitoring a load includes monitoring an initial state output signal (150) and a current state output signal (154) generated by one or more load sensors (58, 60, 62, 64) positioned about a load storage device (66). The initial and current state output signals (152, 156) are compared to determine changes in the load (68) positioned upon the load storage device (66).

The invention relates to the field of one-dimensional or two-dimensional data processing, and particularly to a data identification method based on main component analysis and width learning. According to the method, main component analysis is used for performing dimension reduction on original data for obtaining a characteristic node as input of a width learning network; and furthermore for displaying a relatively non-obvious characteristic node in the dimension-reduced data, a linear combination principle of the characteristic node is utilized for obtaining an enhancing node for the input ofthe width learning network; the enhancing node is continuously adjusted according to the precision and speed of the training result of a width learning data processing model, thereby perfecting the width learning training model. Compared with prior art, the width learning method has advantages of high identification precision and short training time at a data processing prospect. Furthermore thewidth learning method facilitates real-time network parameter updating.

A system and method for controlling engine idle stop in a hybrid vehicle balance the extra electrical load imposed on the vehicle during engine stop with the electrical energy saved to achieve net fuel savings. Predictive information is used to determine potential vehicle stops and corresponding stop durations during a time window. To achieve net fuel savings, the engine stop duration time must be long enough for the electrical energy savings to cover electrical load added to the system. If the predicted stop duration time is long enough to yield net fuel savings, engine stop may be initiated. If not, engine stop may be inhibited.

Efficient operations in image or video decoding. For example, a tool such as an image or video decoder receives and decodes encoded data for a picture in a bitstream. As part of the decoding, the tool adapts a multi-symbol lookup table to use in decoding of symbols then decodes the symbols using the multi-symbol lookup table, producing exactly correct results. The tool can also perform selectively truncated inverse frequency transforms. For a given block, the tool identifies upper horizontal and vertical frequencies among non-zero coefficients for the block and, based on the upper frequency values, selectively applies a simplified inverse frequency transform to transform coefficients for the block without hurting decoding quality. Using restart markers in the bitstream, the tool can organize multiple blocks of the picture as partitions. The tool decodes at least some of the partitions in parallel on a partition-by-partition basis using multiple processing cores.

The invention relates to an oil smoke exhaust device for forming cyclone ascending airflow, which comprises a smoke collecting cover with a wind channel above and a oil collecting cover downward; the wind channel has a bracket with a motor as whorl motor; the wind inlet of said wind channel has a whorl generator which is the side-power wind blade at the middle of wind inlet of wind channel or the side-power wind blade near the wind inlet and the smoke collecting cover, or the side wind inlet motor between the wind inlet and the smoke collecting cover. The invention can fix the oil smoke and avoid overflow and realize oil smoke discharge.

The present invention provides a network IP address automatic distribution method. The method comprises the steps: an upper computer initiates the UDP broadcast search connection; the upper computer establishes an IP address maintenance list according to the feedback information including a local IP address replied by an embedded device located in the same local area network; the upper computer randomly distributes one IP address with the same network segment with the upper computer for a target embedded device and determines whether the distributed IP address is available through a PING command or not; and when distributed IP address is available, recording the distributed IP address to the IP address maintenance list and issuing the distributed IP address to the target embedded device to allow the target embedded device to set the distributed IP address as the local IP address and initiate the TCP/IP connection after going into effect. The network IP address automatic distribution method can improve the reliability of the network connection of an embedded device such as a LED asynchronous control card and can overcome the offline problem that there is the IP distribution conflict for users caused by simultaneous connection of multiple terminal devices.

The invention a method of realize multimode switching when digital shooting device is connected with computer, including the steps: set plural different types of logic interfaces in USB interface module of digital shooting device; before the connection between the digital shooting device and the computer, select different use modes, namely use logic interfaces through man-machine interface; according to the selected use interface type, make the digital shooting device transmit the corresponding configuration parameters to the computer; make the computer recognize the working mode of the digital shooting device by the configuration parameters. When connected with the computer, the digital shooting device can be used as independent movable storage device, independent computer camera and the compound device of the movable storage device and the computer camera, the user can conveniently select the use modes according to the demand.

A method for handling items using a plurality of movable-bots includes defining a conveyance path to be followed by the plurality of movable-bots, where the conveyance path is configured as a closed loop. The method further includes defining, for each of the plurality of movable-bots, a plurality of path attributes associated with the conveyance path. The method further includes instructing each of the plurality of movable-bots to synchronize a movement with respect to at least one other movable-bot based on the plurality of path attributes when moving along the conveyance path.

The invention aims at solving the problems that seed propagation adopted in current polygonatum sibiricum red production is difficult, plant diseases and insect pests can easily become more serious and germplasm can be easily degenerated during the conventional rhizome propagation, tissue culture mainly takes terminal buds of rhizome and stem tips as explants for establishing a rapid propagation system, source of the explant is single, test material consumption is high and propagation efficiency is low. According to the method provided by the invention, easily available polygonatum kingianum terminal bud scales are selected as an explant test material, adventitious roots are obtained by inducing bud scale differentiation, and then further induction is carried out on the adventitious roots, so that differentiation bodies of different types such as rhizomes having adventitious roots and terminal buds at the same time, adventitious bud clumps and callus tissues in multiple forms are obtained; and respectively continuously culturing the differentiation bodies of different types, so that new adventitious bud clumps, rhizomes with terminal buds and callus tissues of multiple types can be respectively continuously produced, and an in vitro high-frequency regeneration system for roots, stems and leaves of polygonatum sibiricum red is established; a high-frequency regeneration system for the roots and stems can also be obtained by adopting the same culture medium. The roots, stems, leaves, callus tissues and rhizomes obtained by utilizing the method can be mutually transformed and grow in different culture stages.

The system and methods described herein provide for dynamic provisioning of computing resources for an enterprise resource planning system. The dynamic provisioning system provisions an original configuration of computing resources upon selection from a client device, and then provides for further dynamic provisioning by evaluating the real-time performance of the ERP system or by analyzing historical performance and consumption information of the ERP system or by using a combination to predict the anticipated stress on the computing resources placed by future performance of the ERP system.

Technologies are generally described herein for electrocaloric effect heat transfer devices, methods, and systems that may be effective to efficiently transfer and distribute thermal energy from a heat source utilizing coordinated application of out of phase electric signals to adjacent heat transfer stacks coupled with a thermal distribution layer. Some electrocaloric effect heat transfer stacks may include alternating layers of electrocaloric effect material and thermal rectifier material. The out of phase electric signals produce electric fields that bias the electrocaloric effect material of one heat transfer stack to a hot phase, emitting thermal energy, while biasing the electrocaloric effect material of an adjacent heat transfer stack to a cold phase, absorbing thermal energy. The thermal distribution layer allows for thermal energy from the material in the hot phase to be distributed to the material of the adjacent stack in the cold phase rather than back to the heat source.

A protective device of a dispenser supply hose comprising a trolley (4) which is movable on a soil (200) to be irrigated, which trolley (4) can be associated with a supply hose (2) of a fluid (100); said device further comprises a protective element (9) intended for said supply hose (2), which protective element (9) is interposed between the soil (200) and said supply hose (2), and accumulating means (8) of the protective element (9) suitable for extending said protective element (9) during an extension step of said supply hose (2) and to recover said protective element (9) from said soil (200) during a recovery step of said supply hose (2).

The invention discloses a flame detection device based on video image analysis. The flame detection device based on video image analysis comprises an acquisition system for acquiring video images, a video image analysis system and a fire alarming system. The video image analysis system comprises a video image preprocessing module, a moving target recognition module, a flame pixel recognition module and a fire judgment module. The acquired video images are converted from RGB (red, green and blue) color space to CIE (international commission on illumination) xyY color space and are compared with distribution characteristics of marked flame colors on a CIE xy chromaticity diagram, so that flame pixels are recognized. Converted CIE xyY data are input into the flame detection module and the moving target detection module, and binary images output from the two modules are fused for detection of a fire. The flame colors has high resolution and uniqueness in the CIE xy color space, so that the flame detection device has high flame recognition precision and wide range of application.

The invention relates to a method of obtaining a coagulant product. Characteristically, a raw material is prepared which contains the sludge resulting from the treatment of drinking water and an ore containing iron and/or aluminium, this raw material being subjected to acid attack for the purpose of forming iron salts, aluminium salts or a mixture thereof. This coagulant is employed in the realization of a physicochemical step in the treatment of wastewater and/or industrial effluent.

The invention discloses a preparation method of an oriented graphene/alumina composite ceramic. The method comprises the following steps: 1, preparing alumina monohydrate/graphene composite sponge; and 2, preparing an oriented graphene/alumina composite material. According to the method disclosed by the invention, water-soluble alumina monohydrate is introduced into an alumina ceramic phase, and orientation of graphene in an alumina matrix is realized by oriented freezing and oriented pressurizing in hot pressed sintering, so that a shell-like structure is obtained. The structure is capable ofendowing alumina ceramics with excellent breaking tenacity, bending strength and other mechanical properties, and enabling the alumina ceramics to achieve excellent electrical and thermal conductivity and obvious electrical and thermal anisotropic properties in an oriented direction. The process is simple, the cost is low, and an excellent alumina ceramic-based composite material with integrationof structure and function can be obtained.

The invention discloses a preparing method of Guizhou three-flavor paste particles. The method comprises the following steps: screening and cleaning ripe roxburgh rose fruits, airing surface moisture, and juicing; taking part of roxburgh rose juice for standby; separating roxburgh rose meat and roxburgh rose seeds after juicing, drying, shattering and grinding so as to obtain roxburgh rose mesh micro powder for standby, wherein the roxburgh rose mesh micro powder can pass through a sample separating screen with 300 meshes; sterilizing, shattering and grinding fagopyrum tararicum, so as to obtain fagopyrum tararicum micro powder which can pass through the sample separating screen with the 300 meshes; shattering cane sugar so as to enable the cane sugar powder to pass through a sample separating screen with 80 meshes, weighting the roxburgh rose meat micro powder, the fagopyrum tararicum micro powder, radix puerariae powder and the cane sugar powder according to a formula proportion, placing the powders in a stirring machine, uniformly mixing and stirring, adding the roxburgh rose juice and proper purified water, mixing, stirring, pelletizing, and then finishing so as to obtain cane sugar type particles; or placing maltodextrin, a composite sweetener, the roxburgh rose meat micro powder, the fagopyrum tararicum powder and the radix puerariae powder in the stirring machine, uniformly mixing and stirring, adding the roxburgh rose juice and the proper purified water, mixing, stirring, pelletizing, and then finishing so as to obtain lower sugar type particles.

An antenna arrangement comprising at least a first and a second elongated structure, e.g., a coaxial cable, for guiding an electromagnetic wave is provided. Each of said structures comprises a plurality of radiation elements. The structures are positioned alongside each other in their longitudinal direction of extension forming a bundle. The elongated structures are arranged within the bundle such that the radial positions of said structures are alternated in the longitudinal direction of extension.

The present disclosure relates to a method (200) and a network node (100) in a wireless communications network (10). In particular, it relates to a method for controlling a maximum output power of the network node (100) located in the wireless communications network (10), wherein the network node (100) is configured to comprise a Global Navigation Satellite System receiver, GNSS receiver (120). The GNSS receiver (120) is used for receiving signals from the GNSS. The method (200) comprises determining whether a measured GNSS signal transmitted from the GNSS is considered detectable and, if so, determining whether thereceived GNSS signal is received directly from the GNSS (20) or via a GNSS repeater (120). The method further comprises selecting a power control method for controlling the maximum output power of the network node (100), based on a result from the determining.

The invention discloses an LED driver, which comprises an active switch, an inductor and a capacitor. The active switch, the inductor and the capacitor adopt a connection structure which makes the active switch, the inductor and the capacitor connected with a diode to form a switching power circuit; inductor output of the LED driver is used for driving an LED arranged at the position of the diode; and the LED driver controls luminous intensity of the LED by controlling a load cycle of the active switch. The invention also discloses other two LED drivers, the active switch and the inductor and the diode adopt a connection structure which makes the active switch and the inductor and the diode connected with a capacitor to form a Buck switching power circuit, or the active switch and the inductor adopt a connection structure which makes the active switch and the inductor connected with the serially connected capacitor and diode to form the switching power circuit. The invention also discloses an LED light-emitting circuit and an LED light source. The invention does not influence the luminous effect of the LED, and simultaneously is favorable for circuit simplification so as to reduce the space occupation and the manufacturing cost.

The embodiment of the invention discloses a PLC signal filtering method and a PLC signal filtering system by utilizing Fencel conjugation. The method comprises the following steps: step 101, acquiringa signal sequence S acquired according to a time sequence; 102, solving the sparsity p; 103, solving a system matrix A; step 104, solving a Finsel eigenvalue matrix Gamma; and step 105, solving a signal sequence Snew of which the noise is filtered out.

A system includes a low pass-filter and a Savitzky-Golay filter. The low-pass filter receives and processes a first electrocardiogram signal. The filter removes at least the high frequency components of the first electrocardiogram signal. The Savitzky-Golay filter estimates a baseline variation of the first electrocardiogram signal from the filtered first electrocardiogram signal. Related apparatus, systems, techniques and articles are also described.