26results about How to "Increase change" patented technology

The invention discloses a bidirectional transceiver circuit with automatic direction and edge acceleration, which comprises a first transceiver and a second transceiver, and the two transceivers have the same structure and are in a symmetrical structure after being connected. The transmission direction of the bidirectional transceiver can be automatically identified and configured, a direction control signal is not needed, the bidirectional transceiver internally generates a pulse signal at the moment that an input signal changes to open strong driving output, the change of the output signal is accelerated, and the output driving capability and the transmission rate are improved; and meanwhile, an internal enable signal is generated to close strong driving output of an input side, so that input signals are prevented from being influenced.

The present application discloses a health monitoring system and a monitoring method for ancient tree maintenance, which belongs to the field of forest health monitoring, and includes a controller, a runoff monitoring module, a temperature monitoring module and an illuminance monitoring module, wherein the runoff monitoring module, the temperature monitoring module and the illuminance monitoring module are electrically connected to the controller respectively; the present application also discloses a corresponding monitoring method, which first performs a health check on the ancient tree to be monitored; then calculates the historical temperature parameters, illuminance parameters and the historical runoff parameters of the planting environment of the ancient tree to be monitored in the past natural year, and establishes a health assessment model, and then obtains the monitoring temperature parameters, the monitoring illuminance parameters and the monitoring runoff parameters of the ancient tree to be monitored, and finally imports the monitoring temperature parameters, the monitoring illuminance parameters and the monitoring runoff parameters into the health assessment model to output the health assessment results; the present application improves the monitoring effect by comprehensively monitoring the transpiration of the ancient trees, thereby quickly predicting the health status of the ancient trees.

The invention belongs to the technical field of battery manufacturing, and particularly discloses a method for rapidly testing the stability of lithium ion battery slurry, which comprises the following steps: adding a solvent into the slurry after slurry mixing, diluting through primary centrifugation, stopping suspension when the suspension appears, and then reducing the rotating speed for secondary centrifugation; and respectively testing and drawing kinetic index TSI curves of the mixed slurry and the slurry subjected to secondary centrifugation, and comparing the two curves to judge the stability of the slurry. The time for judging the stability of the lithium ion battery slurry can be shortened, the operation is simple, and the practicability is high.

The invention belongs to the field of intelligent high polymer materials, and provides a rhodamine force-induced color-changing luminescent material as well as a preparation method and application thereof. The molecular formula of the rhodamine mechanochromic luminescent material is any one of the following # imgabs0 #, and the rhodamine mechanochromic luminescent material has the characteristics of various evolution forms, various luminescent colors and strong sensitivity control on external force response, and the mechanochromic high polymer material prepared from the rhodamine mechanochromic luminescent material has strong processing adaptability, and can adopt the current mature commercial processing preparation means. In addition, according to the preparation method of the rhodamine force-induced color-changing luminescent material, a commercialized polymer material can be adopted as a matrix, the processing and preparation process is simple, practicability is high, and large-scale preparation can be achieved.

The invention discloses a weak communication distributed photovoltaic inverter reactive power adaptive control method, which relates to the field of electric power, and comprises the following steps: S1, defining problems and parameters: determining power limitation, power factor limitation and voltage limitation of a photovoltaic inverter; s2, discretizing the output level: discretizing the photovoltaic output level into a plurality of nodes to form a first-order spline; s3, constructing an optimization problem: defining an objective function, minimizing the use of reactive power and the reduction amount of active power and adding constraint conditions, S4, solving the optimization problem: solving the problem by using a convex optimization solver to obtain nodes of a piecewise linear control function; s5, application of the control function: applying the optimized control function to the photovoltaic inverter; and S6, regularly updating parameters. The method is quick in response, reactive power use is optimized, the convex optimization problem is solved, the method adapts to an unbalanced power grid through central coordination control, voltage support is improved, and system loss is reduced.

The invention discloses an iron-based / alpha-Fe amorphous nanocrystalline soft magnetic alloy, which is based on an iron-based amorphous strip mainly comprising Fe element, and contains Co element with atomic fraction of 6%-8%, Cu element with atomic fraction of 0.7%-1%, and the balance of trace elements which are at least one of oxygen, sulfur, phosphorus, carbon, silicon, boron and the like. And carrying out stress relief annealing on the strip with the assistance of a magnetic field, and then carrying out crystallization treatment. Different from a traditional method for regulating and controlling the magnetic performance of the alloy through precipitation of a large number of nanocrystals, the alloy only induces precipitation of a very small number of nanocrystals, and high saturation flux density and low coercive force can be obtained while the toughness of the strip is ensured.

A switching device includes a lower cover, an upper cover, a slider, at least one elastic element, and a high-impedance conductive plate. The lower cover is disposed on a circuit board. The upper cover is disposed on the lower cover. The upper and lower covers form an accommodating space. The slider passes through the upper cover and is configured to slide relative to the upper cover in one direction. At least one elastic element is located in the accommodating space. The high-impedance conductive plate is connected to one end of the at least one elastic element. The high-impedance conductive plate deforms upon receiving pressure from the slider. The deformation causes a change in the resistance value of the high-impedance conductive plate. The high-impedance conductive plate generates a switching signal in response to the deformation. The deformation is associated with the resistance value of the high-impedance conductive plate. The switching device of the present invention can generate a switching signal between a pressed state and a non-pressed state, thereby increasing the flexibility and possibilities of keyboard key applications in the e-sports field.

The present invention provides a positive electrode mixture layer and a lithium-ion secondary battery that can improve the charge / discharge cycle life. The positive electrode mixture layer contains an active material, a solid electrolyte, and a binder. The active material contains a compound that contains Li, Ni, Mn, Co, and O, and the solid electrolyte contains an oxide that has a garnet-type structure and contains Li, La, and Zr. The positive electrode mixture layer contains an ionic liquid that contains an imidazolium cation and a sulfonyl imide anion. The proportion of the number of Ni atoms with respect to the total number of Li, Ni, Mn, Co, and O atoms that exist in one molecule of the compound is 12.5% or less. The amount of oxide with respect to the positive electrode mixture layer is 1-25 vol%.

A detection device includes: a light emitting element array including a plurality of light emitting elements; a light receiving element array including a plurality of light receiving elements that receive reflected light of light emitted from the light emitting element array to an object to be detected; a driver that drives the light emitting elements; and a detector that detects the object to be detected while controlling at least one of a supply timing of a drive current to the light emitting elements to be caused to emit light and a light receiving timing of the light receiving elements so that a time from a start of light emission of the light emitting elements to be caused to emit light to the light receiving timing of the light receiving elements falls within a predetermined range even when a change occurs in an arrangement of the light emitting elements to be caused to emit light.

The utility model provides an assembly type landscape wall which comprises a frame structure, the frame structure is provided with a lower side edge and an upper side edge, a containing space is defined by the frame structure, a supporting assembly and an upper limiting assembly are arranged in the containing space, the supporting assembly comprises a plurality of supporting plates, the supporting plates are arranged on the lower side edge at intervals, and the upper limiting assembly is arranged on the lower side edge. The supporting plate is provided with a surface which forms an included angle with the length direction of the lower side edge, and a plurality of first clamping grooves are formed in the upper end face of the supporting plate at intervals. The upper limiting assembly comprises a plurality of limiting plates which are arranged on the upper side edge at intervals, each limiting plate is provided with a surface forming an included angle with the length direction of the upper side edge, and a plurality of second clamping grooves are formed in the lower end face of each limiting plate at intervals. The multiple second clamping grooves are formed in the first clamping grooves of the adjacent supporting plates in a one-to-one correspondence mode. The height and appearance of the landscape wall can be changed by adjusting the number of the wall body modules, and the change and interestingness of the wall surface are improved.

A micro-nano particle reinforced aluminum wire based on electroplasticity and a preparation method thereof, relating to the technical field of aluminum-based wires, the wire containing TiB 2 , TiC reinforced particles, its weight percentage is; 7.5-11.2wt.% Zn, 2.08-2.73wt.% Mg, 2.15-2.30wt.% Cu, 0.1-0.5wt.% Si, 0.1-0.12wt.% Zr, 0.5-7wt.% Ti, 0.25-2.1wt.% B, 0.5-2wt.% C, 1.25-15wt.% K, 0.05-0.2wt.% F, the balance is Al. The aluminum-based material is melted, and then the aluminum-based blank is prepared by continuous semi-solid rheological extrusion technology, and then it undergoes multiple drawing processes, and a current of specific size and frequency is passed through different drawing processes, and subsequent surface treatment is performed.

This disclosure provides a test project management method applicable to the fintech field or other fields. The method includes: acquiring requirement items; configuring a test project for a requirement item when its testing unit meets preset conditions, wherein each test project includes at least one requirement item, and the requirement items within the same test project have the same version information and the same project number; when at least one requirement item in the test project changes, collecting the content of the change and the number of requirement items involved in the change within the test project; and adjusting the test project based on the content of the change and the number of requirement items involved. This disclosure also provides a test project management device, equipment, storage medium, and program product. This disclosure enables automatic configuration and adjustment of test projects based on requirement items, improving testing efficiency.

The embodiment of the invention provides an airborne antenna, a base station and a carrier, the airborne antenna comprises an antenna radiation array, a telescopic unit and a controller, and the antenna radiation array comprises a plurality of antenna radiation units; the plurality of antenna radiation units are connected with the telescopic unit; each antenna radiation unit and the telescopic unit are connected with the controller, and the controller is used for adjusting the distance between the plurality of antenna radiation units through the telescopic unit and controlling the working states of the plurality of antenna radiation units. According to the scheme of the embodiment of the invention, the antenna gain can be conveniently and quickly adjusted, and the requirements of different coverage scenes can be well met.

The invention discloses a production method of special refined cotton with high uniform polymerization degree. The production method comprises the following steps: S1, material selection and preparation: selecting cotton linters with the fiber length of 10-12mm and the maturity of over 80% as a refined cotton raw material; s2, cotton opening and impurity separation, wherein the cotton linters are put into an opener to be opened, then the cotton linters are put into an impurity removing machine, and sand, stone, cotton hulls, hair and other foreign impurities mixed into the cotton linters are separated from the cotton linters; s3, preparing a cooking liquor: mixing a sodium hydroxide solution, copper sulfate, a cyclic ketone compound, a stabilizer, sulfur trioxide and hydrogen peroxide according to a certain ratio to obtain the cooking liquor; and S4, dipping: putting the cotton linters into the cooking liquor for dipping. The bleaching device has the beneficial effects that the bleaching liquid is added into the bleaching pool for three times, and the temperature of the bleaching pool is quickly adjusted to the set temperature after the bleaching liquid is added each time, so that the temperature of the bleaching pool can be ensured not to change greatly, and the problem that the bleaching effect is influenced due to the fact that the temperature change is large can be avoided.

The invention belongs to the technical field of millimeter wave integrated circuits, and particularly discloses a constant-impedance bidirectional variable gain amplifier and a phase shifter. The invention discloses a constant-impedance bidirectional variable gain amplifier which comprises a forward differential amplification module, a reverse differential amplification module, a first transistor array, a second transistor array, a third transistor array and a fourth transistor array. The two output ends of the forward differential amplification module are connected with the two input ends of the reverse differential amplification module through the second transistor array, the fourth transistor array, the first transistor array and the third transistor array respectively. Besides two constant-impedance bidirectional variable gain amplifiers, the phase shifter disclosed by the invention also comprises an orthogonal signal generator, a first balun, a second balun, a third balun and a vector synthesizer. By controlling the grid voltage of each transistor on the amplifier, the input and output impedance of the amplifier is ensured to be in a constant state while the bidirectional work of the amplifier is realized, so that the high precision and low insertion loss of the phase shifter are realized. The invention can be widely applied to the millimeter wave active phased array.

A load discharge system (1) is used for loading work in which a discharge operation of discharging a load (Sb) in a bucket (25c) of a work machine (20) into a container (13) is repeatedly performed. The load discharge system (1) includes a controller (50) for controlling the operation of the work machine (20). The controller (50) acquires information on an amount of load (Sb) in the bucket (25c) of the work machine (20). The controller (50) acquires information on a position of the container (13). The controller (50) calculates a target discharge position (Xt) that is a target position for the discharge operation using the information on the position of the container (13) and the information on the amount of load (Sb) in the bucket (25c).

The utility model relates to the technical field of microwave communication, in particular to a switch amplitude limiter low-noise amplifier which comprises an attenuation circuit, an amplitude limiting circuit, a filter circuit, an amplifying circuit, a noise reduction circuit and a processor. The amplitude limiting circuit comprises a fixed amplitude limiting circuit and a dynamic amplitude limiting circuit, the dynamic amplitude limiting circuit comprises a field effect transistor, and the processor sends a signal to the field effect transistor to control a switch of the field effect transistor, so that amplitude limiting parameters in the amplitude limiting circuit can be dynamically adjusted; the amplifying circuit comprises a digital-to-analog converter, and analog signals output by the digital-to-analog converter are used for simulating the function of a potentiometer, so that the gain of the amplifying circuit is changed. According to the utility model, the technical problem that the amplitude limiting parameter and the amplification factor cannot be dynamically adjusted in the existing amplitude limiting low-noise amplifier is solved.

The braid with the grain fringe edge decoration effect comprises a braid body, the braid body comprises a plane area formed by weaving double wefts and warps together and a grain fringe edge decoration area formed by looping the wefts, the plane area and the grain fringe edge decoration area are located on the same plane, the grain fringe edge decoration area is arranged on one side of the plane area, and the grain fringe edge decoration area is arranged on the other side of the plane area. The wefts of the grain ear edge decoration area and the warps of the plane area are interwoven and locked, and the widths of the plane area and the grain ear edge decoration area are the same or different. The lace decorative braid can be applied to places needing lace decoration, such as hemlines and clothes side seams, and compared with a conventional lace decorative braid, the lace decorative braid is novel in appearance, strong in decoration, simple in production process and higher in efficiency.

The invention relates to the technical field of video processing, in particular to a video information processing method and system based on AIGC, and the method comprises the steps: processing an image obtained by a customer attracting robot, dividing a figure foreground and an environment background in the image, extracting each motion feature in the environment background, and determining the shielding priority of each motion feature; generating a plurality of intermediate frame images, and combining to form a background video; determining an offset evaluation parameter; determining whether the operation of the background video is qualified or not based on the environment background coincidence parameter and the offset evaluation parameter; determining that the training of background video generation is completed, and processing an input image acquired by the customer attracting robot by using a trained video generation parameter to generate a video; whether the generated background video is checked according to the check image and the check image, and when it is determined that the background video is abnormal, the generation parameters of the background video are adjusted, so that the production efficiency of the video is improved.

The invention relates to a stress detection device and method for a rhodamine force-induced color-changing polymer material, belongs to the technical field of intelligent high polymer materials, and solves the problems of low test precision and incapability of repeated use in the prior art. The stress detection device for the rhodamine force-induced color-changing polymer material comprises a sample table, a clamp, the rhodamine force-induced color-changing polymer material, a camera device, a light source and a bracket. When the stress detection device is used for detecting the occlusal force of teeth, the occlusal force detection precision and portability in tooth oral treatment are effectively improved, and the real-time dynamic test of the occlusal force can be realized; the device assists in occlusal relationship evaluation, orthodontic treatment monitoring, restoration design, temporomandibular joint disease diagnosis, maxillofacial surgical operation evaluation and the like in oral clinical diagnosis and treatment.

This invention discloses a commutation method for a modular multilevel converter in quasi-two-level mode, comprising: determining the commutation stage and output current polarity, identifying the delayed control object, and determining the operation mode based on the phase voltage level switching direction; directly executing the operation of the non-delayed control object according to the determined operation mode and constructing two candidate paths for the delayed control object: direct operation and delayed operation; calculating the circulating current prediction value and the absolute error with the reference value corresponding to the direct operation and delayed operation respectively, and determining whether the delayed control object should operate directly or delayed based on minimizing the error; introducing a piecewise linear trajectory synthesis fine-tuning mechanism based on duty cycle, determining the delay time of the bridge arm submodule by calculating the duty cycle, and repeating the steps until the commutation process ends; this invention quickly completes the commutation of the upper and lower bridge arms by adding a delay, and at the same time, the piecewise linear trajectory synthesis mechanism based on duty cycle eliminates the steady-state error caused by the whole-cycle delay.

The invention discloses a distributed user baseline power prediction method in the field of electric energy metering data processing, and aims to solve the problems of low accuracy and difficulty in acquiring time positioning information of data in distributed user baseline power prediction. The method comprises the following steps of: screening an original distributed user data sequence by using a Szely-Rizzo distance correlation coefficient, and removing an attribute sequence which is not highly correlated with the distributed user data sequence from the original distributed user data sequence, so that the accuracy of predicting a future baseline power sequence by using the screened distributed user data sequence is improved; according to the method, the extracted time information is utilized in advance to carry out fusion time positioning coding operation on the screened distributed user data sequence, so that the problem that a Transform model cannot capture the data time information contained in the baseline power sequence is solved, the Transform model has time correlation when predicting the baseline power sequence, and more accurate prediction is realized.

The present invention discloses an airbag type inspection tool for the air tightness of a paper bag, including an airbag, which is a rectangular parallelepiped in the expanded state, and the vertical projection contour of the airbag in the expanded state is consistent with the opening contour of the paper bag; an air pipe, including an air inlet pipe running through the airbag; when the airbag is inserted into the paper bag, the two ends of the air inlet pipe include a first air inlet located outside the paper bag, and also include a first air outlet located inside the paper bag, and the air inlet pipe also has an inner air outlet located inside the airbag, the inner air outlet is connected to the first air valve, and the first air outlet is connected to the second air valve; the first air inlet is connected to an air compressor, the first air valve and the second air valve are self-acting pressure control valves, the first air valve and the second air valve are two-way valves and one-way valves respectively, and the pressure required to open the second air valve is greater than the first air valve; a rigid plate is attached to the top of the airbag, and two rigid plates are arranged in mirror images on both sides of the air inlet pipe. The invention can be used to detect the air tightness of paper bags, with low equipment cost and fast entry and exit of paper bags.

An (encoding) apparatus comprises a metadata generator (203) generating metadata for audio data for a plurality of audio elements representing audio sources in an environment. The metadata comprises acoustic environment data for the environment where the acoustic environment data describes properties affecting sound propagation for the audio sources in the environment. At least some of the acoustic environment data is applicable to a plurality of listening poses in the environment and the properties include both static and dynamic properties. A bitstream generator (205) generates the bitstream to include the metadata and often also audio data representing the audio elements for the audio sources in the environment. A decoding apparatus may comprise a receiver for receiving the bitstream and a renderer for rendering audio for the audio environment based on the acoustic environment data and on audio data for the audio elements.

The invention discloses a flexible piezoresistive sensor based on a multi-layer microstructure, and relates to the field of flexible piezoresistive sensor design, and the flexible piezoresistive sensor comprises a multi-layer microstructure piezoresistive sensing unit. The multi-layer microstructure piezoresistive sensing unit comprises a top surface electrode, a middle electrode, a surface electrode and a bottom surface electrode which are compressed in sequence; a conductive elastomer is compressed among the top surface electrode, the middle electrode and the surface electrode; and the conductive elastomer is an elastomer combined with a conductive nano material and an organic elastic polymer. The flexible piezoresistive sensing range and sensitivity are improved.

The invention provides a cross-category universal industrial defect detection method and system, and the method comprises the steps: providing a pre-trained feature extraction network, and obtaining the initial features and corresponding reference features of an input sample through the pre-trained feature extraction network; an industrial defect detection training model is provided, the model obtains residual features based on the reference features and the initial features of the training samples, feature disturbance is carried out, and a trained industrial defect detection model is obtained through cross-class domain invariance constraint and normal residual feature distribution training; and taking the initial feature of the to-be-detected sample and the corresponding reference feature as input of the trained industrial defect detection model to obtain an abnormal score of the to-be-detected sample for industrial defect detection. The method has category independence, is not limited by cross-category, can be used for a new category without retraining and fine tuning, and is suitable for product category diversification and continuous new industrial defect detection.