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205 results about "Strengths based" patented technology

They are about the real attitudes and values that people hold, that shape and influence their way of caring for others a the deepest level of meaning. A true strengths-based approach is one that governs the way we think about people and the way we go about our work on a daily basis for all actions and interactions.

Method for predicating composite material Pi-shaped non-planar glue joint strength based on triangular envelopes

The invention relates to a method for predicating composite material Pi-shaped non-planar glue joint strength based on triangular envelopes. The method includes the following steps that (1), according to parameters of a composite material Pi-shaped non-planar glue joint structure, a geometrical model is established; (2), according to actual working conditions of the composite material structure, loads and boundary conditions of the Pi joint geometrical model are determined; (3), grid partition is performed on the joint geometrical model, and a Pi joint three-dimensional finite element model is obtained; (4), on the basis of the Pi joint three-dimensional finite element model, a finite element stress analysis is performed; (5), according to the linear finite element stress analysis result, a curved edge triangular envelope route of a Pi negative moment steel padding region is set on the basis of the Pi joint three-dimensional finite element model, all stress component values on the curved edge triangular envelope route are extracted, and the average value of the stress component values is calculated and substituted to the failure criterion for predicating the strength. The method for predicating the composite material Pi-shaped non-planar glue joint strength based on the triangular envelopes is suitable for engineering application and can obviously shorten a development cycle and reduce experimentation cost.
Owner:BEIHANG UNIV

Method for predicting concrete strength based on hybrid model

ActiveCN104991051ASolve the problem that strength testing requires cumbersome, time-consuming, labor-intensive, and labor-intensive manual testingSolve the problem of cumbersome and time-consuming consumables and labor-intensive manual test detectionMaterial testing goodsSlagMixing ratio
The invention discloses a method for predicting the concrete strength based on a hybrid model. The method comprises the following steps: conducting strength experiments on concrete at different mixing ratios on site according to a standard concrete strength detection method, thereby obtaining a plurality of learning samples about the function relationships between cement x1, blast-furnace slag powder x2, fly ash x3, water x4, a water reducing agent x5, a coarse aggregate x6, a fine aggregate x7, a curing period x8 and other concrete component mixing information as well as the concrete strength y; training extreme learning machines, artificial neural networks and support vector machines in the hybrid model, and confirming the optimal extreme learning machine, artificial neural network and support vector machine according to the optimization goal of minimized relative errors; on the basis of the optimal extreme learning machine, artificial neural network and support vector machine, confirming the optimally predicted concrete strength y with a decision function based on adaptive weight according to the predicted values of three modeling methods, wherein the optimally predicted concrete strength y can be utilized for judging whether concrete component input information meets the engineering design requirements or not. Through adoption of the method, the advantages of the three modeling methods are enhanced while the disadvantages of the three modeling methods are avoided, and the comprehensive predicting effect is better, so that the adaptability to different actual work conditions, namely the robustness, can be improved, and important significance is provided for rapid mixing ratio design and quality control for concrete.
Owner:HUAQIAO UNIVERSITY

Method and device for dead pixel detection and correction of image sensor

The invention discloses a method and a device for dead pixel detection and correction of an image sensor. The device comprises an image sensor data input unit, a gain compensation unit, a dead pixel judgment unit, a dead pixel deletion strength control unit, a dead pixel correction unit and a dead pixel deletion data output unit. The method comprises the steps of regarding data generated by various arrangements of four filter lenses with the period of 2*2 as input data, establishing an M*N data window by regarding each point of the input data as a center and performing gain calculation and gain compensation; judging a dead pixel condition in each direction of each point of the input data to obtain dead pixel information; providing a variance/brightness model and determining a dead pixel deletion strength based on texture information of each point; and correcting the dead pixel by utilizing the dead pixel information and the dead pixel deletion strength and outputting corrected data. According to the method and a device for dead pixel detection and correction of the image sensor, dead pixel detection and correction of the data format of the image sensor of various arrangement modes of four filter lenses with the period of 2*2 are satisfied, and dead pixel detection and correction can be carried out automatically and efficiently.
Owner:SHANGHAI FULLHAN MICROELECTRONICS

High tensile strength substrate, hot dip galvanizing automobile exterior panel and manufacturing method thereof

The invention relates to a high tensile strength base plate, the chemical compositions (weight percent) of which are: C: 0.01 to 0.08 percent, Si: less than or equal to 0.1 percent, Mn: 0.8 to 1.8 percent, Cr: less than or equal to 1.0 percent, Mo: less than or equal to 0.5 percent, TAl: 0.02 to 0.08 percent, N: less than or equal to 0.006 percent, P+2S: less than or equal to 0.12 percent, Mn+3Cr+2Mo: more than or equal to 1.6 percent and less than or equal to 3.8 percent, and the rest is Fe. A high tensile strength hot galvanizing automobile outside plate adopting the high tensile strength base plate and a preparation method thereof comprise the following steps of: casting the components into blank plates by smelting, refining and continuous casting; hot rolling which adopts high temperature curling at 650 to 680 DEG C to obtain normal pearlite and ferrite original tissue, and then continuous casting with normal cool acid; hot galvanizing annealing with the critical re-crystallization annealing temperature at 800 to 860 DEG C; the cooling speed from the annealing temperature to a zinc pool is 5 to 16 DEG C/s; and entering into the zinc pool with the temperature of 450 to 465 DEG C and finishing galvanization treatment.
Owner:BAOSHAN IRON & STEEL CO LTD

On-line nondestructive detection method and device for eggshell strength

ActiveCN102156169ASpeed ​​up the automated inspection processAutomatic detection and classificationAnalysing solids using sonic/ultrasonic/infrasonic wavesNon-electrical signal transmission systemsEggshellSoftware system
The invention relates to the field of detection of eggshell strength, in particular to an on-line quick nondestructive detection method and an on-line quick nondestructive detection device for eggshell strength based on knocking response signal analysis. The device consists of an egg knocking response signal acquisition and processing hardware system and a signal analysis software system; and an egg is placed on a supporting roller and rolls and advances together with a high-speed running and horizontal conveying production line, four rails on a conveyor belt bracket finish mechanical knocking on the detected egg, a permanent electromagnet drives a knocking bar to execute the knocking command so as to realize mechanical knocking on the detected egg when the egg passes through every knocking rail, the response signals are acquired by a microphone and processed and analyzed by a digital signal processor (DSP) system, and on-line detection results of the eggshell strength are acquired through a standard library model. The eggshell knocking response signals can be comprehensively acquired and analyzed, automatic and quick detection and grading of the eggshell strength are realized, and automatic detection in the production processing and circulation processes of the eggs is quickened.
Owner:JIANGSU UNIV

Braze welding method for hard alloy and low-alloy and high-strength steel

The invention discloses a braze welding process for a hard alloy and low-alloy and high-strength steel, which belongs to a braze welding method for high-strength base steel. The method comprises the following steps of: preparing the low-alloy and high-strength steel, the hard alloy and a manganese brass flaky brazing filler metal qualified in raw material inspection; removing oxide layers on the surfaces of the low-alloy and high-strength steel, the hard alloy and the manganese brass flaky brazing filler metal with sand paper; coating a soldering flux QJ-302 on the two faces of the brazing filler metal; placing the brazing filler metal between the low-alloy and high-strength steel and the hard alloy; fixing by using a clamp; placing into a KSL-1100X box type furnace; setting the heating speed at 10 DEG C per minute; heating till the solidus temperature of the brazing filler metal is 909 DEG C, and preserving heat for 30 minutes; setting a heating speed at 9 DEG C per minute; heating to 960 DEG C, and preserving heat for 10 minutes; cooling to 300 DEG C, and preserving heat for 30 minutes; and performing furnace cooling to the room temperature to obtain a weldment. The hard alloy is welded on the surface of the low-alloy and high-strength steel, so that the surface hardness and wear resistance of the low-alloy and high-strength steel can be enhanced, the mechanical property and mechanical performance are improved, and the application fields of the low-alloy and high-strength steel and the hard alloy are expanded.
Owner:CHINA UNIV OF MINING & TECH

Method for controlling tooth brushing strength based on pressure detection and electric toothbrush

The invention relates to a method for controlling tooth brushing strength based on pressure detection and an electric toothbrush. The method is applied into the electric toothbrushes. The electric toothbrush comprises a motor vibration detection module, a processing module and a motor control module, wherein the processing module is electrically connected with the motor vibration detection module,and is electrically connected with the motor control module. When the electric toothbrush is set in the working state, the processing module is used for obtaining the current pressure value on bristles of the electric toothbrush, and obtaining the motor vibration value of the motor in the electric toothbrush detected by the motor vibration detection module; the processing module is used for obtaining a target pressure value according to the current pressure value and the motor vibration value, and sending the target pressure value to the motor control module; the motor control module is usedfor controlling the motor to vibrate according to the vibration parameters matched with the target pressure value. The method and the electric toothbrush have the advantage that the tooth brushing strength is automatically controlled within the proper range, so as to solve the problem of unhealth of teeth due to overhigh or overlow tooth brushing strength.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
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