1243results about How to "Improve applicability" patented technology

The invention discloses a temperature sensing cooker capable of being used for various cooking ranges. The temperature sensing cooker comprises a pot body and a temperature sensing color change device in contact connection with the pot body, wherein the temperature sensing color change device comprises a plurality of temperature sensing color change bodies with non-overlapped color change temperature ranges, i.e., the plurality of color change bodies correspond to different cooking ranges. If open fire cooking ranges such as coal gas cooking ranges or natural gas cooking ranges are used for heating the temperature sensing cooker, when the pot bottom reaches the target temperature, the temperature sensing color change bodies of the pot body change the color; if electric cooking ranges such as induction cookers or electric ceramic cookers are used for heating, when the pot bottom reaches the target temperature, the temperature of the located pot body position of the temperature sensing color changing device is different front the temperature of the pot body; at the moment, the other corresponding temperature sensing color change body changes the color. The temperature sensing cooker has the advantages that when various different cooking ranges are used for heating, the temperature sensing cooker can correctly and timely reflect whether the pot bottom reaches the target temperature or not so that a user can master the cooking level; the generation of fume is reduced; the applicability to different cooking ranges is improved.

The invention relates to a robot joint based on harmonic reducers, which comprises a motor, an encoder connected with the motor, a harmonic reducer connected with a rotor of the motor, and a transmission mechanism connected with the harmonic reducer; wherein, the harmonic reducer comprises a wave generator, a flexible wheel outside the wave generator, a fixed steel wheel outside the flexible wheel and a rotary steel wheel; the transmission mechanism comprises a housing fixedly connected with the fixed steel wheel of the harmonic reducer and an end cover fixedly connected with the rotary steel wheel of the harmonic reducer; a bearing is arranged between the housing and the end cover. The robot joint has the advantages of high drive ratio, high reliability, compact structure, ability to substitute the robot joint in the prior art, gradual decrease with the size of the harmonic reducer, higher applicability to joint transmission of miniature robots, and wide application prospect.

A spacecraft robust finite time saturation attitude tracking control method is disclosed. The present invention relates to the spacecraft robust finite time saturation attitude tracking control method so as to solve a rigid spacecraft attitude tracking control problem in the conditions of model uncertainties, external disturbance torques and actuator saturation and is aimed at the problems of controller chattering, a complex controller structure, many setting parameters and a limited application range of a control algorithm in an existing method. The method of the invention comprises the steps of (1) establishing a rigid spacecraft attitude kinematics and dynamics model which is an attitude tracking system, (2) defining a rapid nonsingular terminal sliding mode surface and auxiliary system according to the step (1), and (3) carrying out robust finite time saturation attitude tracking controller design, carrying out controller designing when the synthetical uncertainty delta upper bound of the attitude tracking system is an unknown constant, and carrying out adaptive controller designing when the synthetical uncertainty delta upper bound is an unknown function. The spacecraft robust finite time saturation attitude tracking control method is used for the aerospace field.

The invention relates to a method for analyzing load and stress distribution and stress levels of composite mechanical connection pins, which is technically characterized by comprising the following steps of: establishing a two-dimensional shell beam model to calculate the load distribution of the connection pins, and taking out the bypass load of a rectangular region nearby a target pin from the two-dimensional model; newly establishing a three-dimensional physical model comprising target pins on the basis of the two-dimensional shell beam model according to geographic information, such as the size of the rectangular region, the sizes of bolts and the like; and calculating the three-dimensional model by taking the bypass load taken out from the two-dimensional model as the force boundary condition of the three-dimensional model through applying the pre-tightening forces of the bolts to obtain the stress distribution and the stress level of the region. According to the method for analyzing the load and stress distribution and the stress level of the composite mechanical connection pins, the advantages of a two-dimensional modeling method and a three-dimensional modeling method in a finite element model are fully performed, and thereby, a rapid and accurate computing method is provided for distribution calculation and stress analysis on the connection pins in project, and the design cost is reduced.

The present invention provides an improved built-in swing mechanism of a rotary fan. The mechanism includes a ball-and-socket support frame, arranged onto front wall of the main casing corresponding to the axle center of a drive motor and provided with a spherical supporting surface and a through-hole. A spherical abut seat is fastened at a front end of the drive motor is provided with a spherical abut surface that couples with the spherical supporting surface. A punch hole is placed at the center of spherical abut surface for the penetration of the axle center. A crank linkage element is assembled between rear end of the drive motor and the rear wall of the main casing. The first end of the crank linkage element can be driven to enable the oscillation of the second end. The second end is assembled at a rotary pivot corresponding to the main casing.

The invention discloses a dynamic configuring method for TDD (time division duplex) uplink and downlink subframes based on business feature information. The method can be applied to a next-generation TDD wireless communication system. Different 'business feature information' can be selected according to different optimization targets, different implementation complexity and the like to serve as a basis for dynamic configuration of the TDD uplink and downlink subframes, and optimal matching of current network business state can be realized by flexibly adjusting the proportion of the TDD uplink and downlink subframes, so that network system performance can be effectively improved.

The invention discloses a method and an apparatus for reporting channel state information. The method comprises the steps that: UE determines the channel state information of paths between the UE and all sending antenna port sets; and the UE reports the channel state information to the predetermined sending antenna port sets of all the sending antenna port sets. The method and the device raise the applicability of the channel state information and reduce the cost.

The invention relates to a single channel radar signal sorting method, which comprises the following steps: 1) selecting one N-length section of arrival time sequence to form an original pulse arrival time sequence set; 2) performing a multidimensional difference processing for the original pulse arrival time sequence; 3) performing grouping for the time interval obtained by difference processing for each arrival time, and performing statistical counting; 4) drafting a PRI clustering statistical histogram according to the statistical counting result of the time interval obtained by difference processing for the arrival time included in each group, and comparing the PRI clustering statistical histogram with a detection threshold to obtain possible PRI estimated values; 5) rejecting the harmonic component of the possible PRI estimated values to obtain eligible PRI estimated values; and 6) successively extracting the corresponding arrival time sequence from the original pulse arrival time sequence according to each eligible PRI estimated value, forming a sequence of the extracted arrival times according with the same PRI estimated value in time order, and finishing the signal sorting process.

The invention provides an inertia-assisted multi-frequency multi-mode GNSS cycle slip repair method and system. The method comprises the steps that cycle-slip observation is conducted on all satellites to judge the satellites with the existence of cycle slip; after cycle-slip parameters are determined, a pseudo space and phase position non-difference uncombined epoch difference observation equation on frequencies and systems is formed, and a clock difference variation parameter is introduced; according to the activity degree of an ionosphere layer, fitting functions with different orders in a sliding window are used to model and forecast the time-varying ionosphere layer; inertia-assisted cycle slip calculation is conducted, and posteriori residuals of the cycle slip repair equation are tested; a three-step method is used to fix cycle slip values and carry out the cycle slip repair, and finally phase position observation values are repaired. The inertia-assisted multi-frequency multi-mode GNSS cycle slip repair method and system can accurately repair cycle slip values on different frequencies of different GNSS systems in a dynamic and complicated environment, and provide clean and pollution-free observation data for subsequent positioning and calculating treatments.

The invention discloses a hydraulic climbing formwork construction method for a leaning tower of a cable-stayed bridge. The method comprises the following steps: measuring and positioning the leaning tower and embedding an embedded part; erecting a formwork and pouring a first section of concrete, and mounting an anchoring system, a bearing bolt (1) and a climbing frame (3); mounting a bearing frame and a bearing platform on the anchoring system; mounting a template moving frame and an upper platform system, using the upper platform system for erecting the formwork, embedding the embedded part and pouring a second section of concrete of a tower column; mounting a lower platform and de-molding by moving the upper platform system; mounting the anchoring system in a third stage and mounting a climbing guide rail (5) and a guide rail supporting leg (6); operating a hydraulic system, lifting the whole frame to the third stage of the tower column, and mounting a lower-layer platform; assembling the mould by moving the upper platform system, embedding the embedded part and pouring a fourth section of concrete of the tower column; and operating the hydraulic system, lifting the whole frame to the fourth stage of the tower column, and entering into a circulating construction stage. According to the method provided by the invention, the mounting of the template is quickly and efficiently finished under the condition of the leaning tower column and the work load of mounting the template and the bracket is saved.

A method based on auditory cognitive neural signals for autonomously expressing willingness relates to the fields of the assistance to the disabled, and the human-computer interaction. The method is characterized in that the method comprises the following steps: inputting the required willingness code book into a computer, wherein, a speech index is short Chinese and English, or digital speech, and an index content is the speech on completely expressing willingness; arranging an EEG detect electrode at a posterior position of the top of the head of a user; using a computer to repeatedly play a voice sequence consisting of codebook index speech in a random order; noticeably choosing the index speech corresponding with the target willingness should and conducting the identification of sound properties; using an EEG amplifier to record brain waves; aligning the brain waveforms in a segmenting manner according to the time starts of the index speech; detecting whether the late positive components (LPC) and the relevant characteristic waveforms exists or not; defining brain waves which has characteristic waveforms as a target index, tracking down the corresponding the index content through the willingness codebook; and playing the corresponding speech expressing willingness through an audible device.

The invention discloses a pneumatic loading type frictional wear tester which comprises a sample stage, a loading mechanism, a drive mechanism, a data acquisition unit and a stander; the sample stage is arranged on the stander and can do rotary motion or alternate motion under the driving of the drive mechanism; the loading mechanism comprises a head support, a friction head, a cylinder; the friction head is arranged on the head support. The head support is connected with the cylinder and can cause that the friction head on the head support closely pressures or breaks away the surface of the sample arranged on the sample stage. The data acquisition unit gathers the pressure applied on the sample by the friction head and the frictional data. The cylinder adjusts the pressure applied on the sample by the friction head according to the information fedback by the data acquisition; in the pneumatic loading type frictional wear tester, the sensor gathers the pressure information, and a computer controls an electric reducing valve to regulate the throughput of the cylinder; the regulation range of the pressure is wider; the pneumatic loading type frictional wear tester can effectively evaluate the frictional wear performance of a running pair with different materials and technique.

The invention relates to a roadway surrounding rock deformation, rock burst and coal and gas outburst comprehensive treatment method. The method is based on the intensity enhancing effect of active support of a rock bolt on a surrounding rock body, the weakening, pressure relief and rock burst prevention and treatment effects of large-diameter drill holes on a coal body, and the capability of a gas drainage system to effectively reduce the gas content of a coal seam. First, a rock bolt active support technology is adopted in the two roadways of a working face to enhance the intensity of surrounding rock; then, large-diameter pressure relief boreholes are machined every 3-3.5 meters among rock bolts, and the large-diameter pressure relief boreholes are sealed; and gas drainage boreholes are machined at regular intervals to drain gas in a coal seam. The rock bolt support structure and large-diameter borehole sealing jointly form a roadway surrounding rock reinforcing area, which can effectively control roadway deformation and maintain the working space. The reinforcing area, a weakening area and a drainage area formed by the method of the invention can effectively prevent and treat large deformation of roadways, rock burst, coal and gas outburst and other deep mine dynamic disasters, and provides safeguard for the safety production of mines.

A transmission is provided for changing gears by performing rotation control of a shift drum transmission between an internal combustion engine and a drive wheel by use of an actuator provided on one side of the shift drum and an intermittent feed mechanism driven by the actuator disposed on the other side of the shift drum.

The invention relates to a conductive primer for electrostatic coating of plastic substrates and a preparation method thereof. The raw materials include 20-30 g of thermosetting acrylic resin, 10-20 g of thermoplastic acrylic resin, 20-40 g of conductive titanium white pigment and 0.3-2 g of carbon black pigment. , dispersant 1~3, solvent 5~10, substrate wetting agent 0.5~1, thermosetting acrylic resin, dispersant, 40~60wt% solvent, conductive titanium dioxide pigment, carbon black pigment and add them to thermoplastic acrylic after stirring and grinding The resin, the substrate wetting agent and the remaining solvent are uniformly mixed to obtain a conductive primer for electrostatic coating of plastic substrates. Compared with the prior art, the invention has the advantages of good applicability, can save 30% of paint consumption, prevent spray leakage and the like.

A method for achieving home credible networking based on a safety pendent of a smart home device is provided. The method comprises the steps that automatic credible networking is conducted on a smart home device and an smart home gateway, the safety pendant of the smart home device obtains a public and private key pair, a hardware PIN code and a uniform key K and uploads a pendant public key to a home data service center in a cloud to complete delivery initialization work of the safety pendent of the smart home device; after the smart home gateway and the smart home device integrated with the initialized the safety pendent of the smart home device complete legal verification of the smart home device by aid of the home data service center of the cloud, the automatic credible networking with the smart home device and a negotiated random communication encryption key achieve credible identity binding of the smart home gate and the smart home device of a user; the smart home gate achieves communication encryption of an interior network environment of a smart home through the random communication encryption key. The method for achieving home credible networking based on the safety pendent of the smart home device has the advantages of being good in user experience and high in generality, safety and confidentiality.

The invention relates to a multipolymer organosilicon finishing agent and its preparation method. The organosilicon finishing agent has a structure as defined in the specification, wherein n=400-1000; m=500-5000; R is selected from alkyl group, phenyl group, cyclohexyl group or its alkyl-substituted derivative group; and R1, R2, R3 and R4 are selected from C1-C4 alkyl groups. The preparation method comprises the following steps of: performing a reaction among diisocyanate, polyether glycol, hydroxyl silicone oil and a hydrophilic chain extender to obtain polyether block organosilicon polyurethane bearing -OH end group, carrying out chain extension on the obtained polyether block organosilicon polyurethane bearing -OH end group through a silane coupling agent, adding acid for neutralization, and carrying out water dispersion. The multipolymer organosilicon finishing agent can be used together with fluorine finishing agents, not influencing antifouling and easy decontamination effects of fabrics processed by an organic fluorine finishing agent. Simultaneously, softness and smooth feeling of the finished fabrics can be raised.

The invention discloses a temporary password entrance guard system with dynamic update of encrypting parameters, which can be applied to real-time on-line and non-real-time on-line entrance guard systems. A temporary password formed by the system is generated on the basis of algorithm, time and a random number SEED and is sent to an applicant by a password management server; and meanwhile, the password management server sends a latest random number SEED to an entrance guard controller through network or an intermediate device; the applicant tells the temporary password to a user, so that the user can input the temporary password on the entrance guard controller, and then the entrance guard controller inverse-calculates the generation time of the temporary password according to decrypting algorithm, the temporary password and the random number SEED and compares the generation time with present time; if the time difference is located in a setting range, the password is legal and the entrance guard controller performs unlocking action. The temporary password is variable with time and dynamic parameters, so that reliability and adaptability are better.

The invention relates to an internet photo geospatial positioning method based on street views, comprising the steps of preprocessing a street photo gallery, extracting and describing features, and establishing a feature index; querying a nearest-neighbor feature of each feature of a photo to be queried, performing voting, trimming and smoothening voting results to obtain a most similar photo, using the most similar photo as a center of circle to delimit a buffer area according to a distance between two known street view points; calculating similarity of street photos in the buffer area to the photo to be queried so as to screen out photos of high similarity to form a similar photo set; subjecting both the similar photo set and the photo to be queried to feature extraction and matching, using an SfM (structure from motion) algorithm to register the photos, and generating a relative positional relationship between a sparse point cloud and a camera; calculating exterior orientation elements of the unknown photo to be queried according to the known street view point coordinates so as to finish positioning and orientating. Practice proves that the method provided herein enables electronic photos of any source on the internet to be positioned accurately.

The invention provides a Lamb wave frequency dispersion compensation method based on wave number curve measurement. The method comprises the steps that: (1) a wave number curve is measured; (2) the obtained wave number curve is linearized; (3) a Lamb wave impulse response spectrum is obtained; (4) impulse response under the linearized wave number is obtained; and (5) a frequency dispersion compensation Lamb wave signal is constructed. The method provide by the invention has technical effects that: (1) the method is realized with a fast Fourier and inverse Fourier transform algorithm, such that the compensation can be rapidly realized; (2) every frequency dispersion wave pack in the signal can be re-compressed, such that the resolution and signal-to-noise ratio of the signal are improved; (3) the time domain position of each wave pack in the signal is maintained, such that subsequent damage localization and imaging can easily be carried out; and (4) the wave number curve is directly measured in a structure, such that the method is suitable for situations that theoretical wave number cannot be obtained due to the factor that the structure material parameters are unknown.

A touch input device constructed in a carrier electronic apparatus comprises a touch panel, a flexible printed circuit board, a rubber cushion and a plurality of metal domes. The touch panel performs as a touch input interface of the apparatus to a user, the flexible printed circuit board is shaped into a C form so as to present an upper flexible printed circuit board and a lower flexible printed circuit board, the rubber cushion is disposed between the upper flexible printed circuit board and the lower flexible printed circuit board, and the plurality of metal domes is disposed between the rubber cushion and the lower flexible printed circuit board. Each of the metal domes is in a position to account for a specific function key.

The invention provides a training method and device of a sorting model. Since the embodiment of the invention adopts a regulation factor which regulates the sorting score of a positive example sample page to tend to be greater than an appointed threshold value and regulates the sorting score of a negative example page to tend to be smaller than the appointed threshold value, the sorting scores of pages corresponding to different search keywords in a Pairwise-based sorting algorithm exhibit comparability, and therefore, the applicability of the sorting scores of the pages can be improved.

A pedestrian target tracking method based on human skeleton structured features comprises the following steps: recording a target motion video, performing equalization preprocessing on a target motionvideo image, extracting skeleton coordinate information of a pedestrian, manually selecting and tracking the target pedestrian, establishing a target initial feature template image, and tracking thetarget pedestrian; if the target pedestrian is normal, continuing tracking, and if the target pedestrian is lost, executing the next step; extracting a target structured feature image according to thevideo image before the target pedestrian is lost and the skeleton coordinate information of the target pedestrian, updating the target feature template image, extracting structured feature images ofall pedestrians, matching the structured feature images with the target feature template image one by one, and repositioning the position of the target pedestrian according to a matching result; realizing target tracking continuously. The method can achieve the stable and continuous tracking of the target pedestrian in a complex multi-person scene, and solves the problem that a current tracking algorithm is easy to lose a tracking target under the conditions of multi-person overlapping, shielding and the like, and is difficult to automatically find the tracking target.

A portable card reader consists of card seat, processor, storage, contact, power supply, switch and display screen. It is featured as inserting card into card slot for data exchange and displaying dynamic code by the screen after dynamic code fetched and operated, and having a key for inputting information and displaying, it manually. The method includes connecting card to reader, inputting information, selecting and displaying the preset input item. and receiving the selected input item information.

The adhesive composition for optical members contains a (methyl) acrylic polymer containing >=60 wt.% alkyl acrylate having a 1-9C alkyl group as a monomer unit, having a weight-average molecular weight of >=1,500,000 and containing >=20 wt.% component having a molecular weight of <=100,000, and an organic solvent. The composition contains a poor solvent having a solubility parameter [delta]2 satisfying the formula: +1.7<=[Delta][delta](=[delta]1-[delta]2)<=+5 wherein [delta]1 is the solubility parameter of the homopolymer of the monomer constituting the main part of the acrylic polymer. The amount of the poor solvent is 20-60 wt.% of the total organic solvent. The invention provides an adhesive composition having improved coatability and keeping the durability without particularly increasing the amount of solvent in coating, an adhesive layer produced by using the composition and a method for producing the composition.

The invention provides a street lamp illumination automatic controller and a street lamp illumination control method. The controller comprises a regulation module which is used for generating an illumination regulation signal according to the change of local real traffic flow so as to make a driver regulate the illumination of an LED array through the illumination regulation signal. The technical proposal controls the illumination of street lamps according to the statistical data of vehicle density, thereby further reducing the power consumption of the street lamps and achieving the energy-saving aim. The technical proposal is particularly suitable for expressways.

The present invention relates to a railway wagon comprising a load carrier and front and rear bogies. The load carrier is releasably connected to, and laterally displaceable in relation to, the respective bogies. Supporting devices are mounted at the ends of the load carrier. They support the load carrier when it is displaced in relation to the bogie. Each supporting device comprises an abutment device which is vertically operable between a pulled-up position and an extended position. At each end of the load carrier there is also a displacing driving device for displacing the load carrier relative to the bogie, and a device that counteracts tilting tendencies of the load carrier. Each abutment device comprises a sliding member, which can slide on the base in the extended position. The railway wagon can thus be displaced, for instance pivoted outwards at one end, to allow a truck to be driven on to or off the same.

The invention relates to the technical field of ultraviolet detectors and discloses a GaN-based ultraviolet detector with p-i-p-i-n structure and a preparation method thereof. The detector comprises, from bottom to top, a substrate on which an AlGa<1-x>N material grows, a n-type layer, an i-type Multiplication layer, a p-type transition layer, an i-type photosensitive absorption layer and a p-type layer, wherein x is more than or equal to 0 but less than or equal to 1. The invention has the following two advantages: (1) the design of separation of the multiplication region and the absorption region increases the avalanche multiplication range of current carriers, so as to greatly improve sensitivity; and (2) in the p-i-p-i-n structure, the electric fields are mainly concentrated in themultiplication region, so that the thickness of the absorption region can be increased to increase the absorption efficiency without substantially affecting the selection of a working voltage, as a result, the selection of a working site is more flexible and the applicability of the detector can be improved.

The invention provides a 360-degree floating three-dimensional phantom imaging system. The 360-dgree floating three-dimensional imaging system is provided with at least one glass plate; at least one projector corresponding to the glass plate is arranged below the at least one glass plate; an electroplating film of which the thickness is 5 to 25 percent is coated on the surface of the glass plate facing the projector; a processor is electrically connected with the projector; the included angle between the glass plate and the corresponding projector is 45 degrees; the projector is used for implementing the following steps of: reading prestored three-dimensional image information according to a first user instruction and playing by using the projector; and adjusting the shading value of the background of a display image and the position and the size of the display image in the projector according to a second user instruction. Through the 360-degree floating three-dimensional phantom imaging system provided by the invention, the image can be seen with naked eyes; and the 360-degree floating three-dimensional phantom imaging system provided by the invention is environmental-friendly, has high applicability, is easy to operate and has the relatively low requirement on light pollution brightness of the external environment.

The invention discloses a lizard simulated amphibious robot, and belongs to the field of bionics. The amphibious robot comprises a body part formed by an external frame, an internal frame and a driving mechanism and legs formed by four sets of crank and rocker mechanisms, wherein a driving motor is mounted inside the internal frame; the internal frame is positioned inside the external frame; the driving motor in the drive mechanism transmits power to transmission shafts positioned at the front part and the rear part of the internal frame through two sets of reduction devices to enable the transmission shafts to drive the crank and rocker mechanisms mounted at the two ends of each transmission shaft to move; a baseboard is mounted at the lower part of each crank and rocker mechanism. According to the invention, during the movement, the lizard simulated amphibious robot can perform three key actions, namely slapping, hitting and recovering while walking on the water; the lizard simulated amphibious robot has the advantages that the simulation of the movement of basilisk lizards is realized, the applicability for amphibiousness can be improved, besides the movement resistance is small, the moving efficiency is high, the carrying capacity is strong, the application range is wide, and the lizard simulated amphibious robot can be used for land and water rescue and monitoring.