70results about How to "Sure easy" patented technology

The invention belongs to the technical field of electric digital data processing and foundation engineering, and discloses a method for calculating stress and displacement of a foundation pile in a soil body under the action of a pile top axial load, which comprises the following steps of: taking the pile top as an origin of coordinates, and taking the downward direction of the longitudinal axis of a pile body as a z axis; according to the basic mechanical equilibrium condition of an infinitesimal body formed by the micro-section length randomly selected in the axial direction of the pile body, the boundary condition of the force at the top end of the pile and the deformation coordination relation between the bottom end of the pile and the foundation, characteristic variables reflecting the pile body stress and displacement distribution mode are solved; and according to the basic mechanical equilibrium condition of the infinitesimal body, the boundary condition of the force at the top end of the pile and the characteristic variables, the pile body axial displacement, the pile body axial force and the pile side surface friction resistance at different depths in the axial direction of the pile body are solved. The rapid and effective method and scientific basis are provided for design calculation and analysis of the foundation pile in the soil body under the action of the axial load of the pile top, and the method has important technical method significance and engineering application value.

The invention relates to a planning method and system and computer equipment. The method comprises the following steps: performing skeletonization processing on a three-dimensional model of an atlas to obtain skeleton lines; determining a first plane and a second plane of the atlas according to the skeleton line; the first plane is a horizontal plane corresponding to a skeleton line, and the second plane is a sagittal plane of the atlas; and according to the first plane and the second plane, determining a planned path of atlas screw placement. By using the planning method provided by the invention, the automatic planning of the atlas screw placement path can be realized.

The invention relates to the technical field of nondestructive testing, and discloses a defect detection method and system based on a modal coupling point of a time-varying mechanism, and the method comprises the following steps: realizing periodic time-varying stiffness through time modulation so as to construct the modal coupling point, scanning modulation parameters, and degenerating the fundamental frequency and the first-order harmonic frequency of a medium under the two modulation parameters. The modal coupling points have high-sensitivity sensing ability to tiny disturbance, specifically, under the influence of defects, the degeneracy degree of the modal coupling points is degraded, frequency splitting occurs, and the splitting degree can reflect the sizes of the defects. Based on the principle, a piezoelectric plate is externally connected with a negative capacitance circuit to realize time modulation of equivalent stiffness so as to construct a modal coupling point, excitation and measurement response are applied to the surface of a medium, and split frequency response is obtained. And due to the square root relationship between the response and the defect, the detection of the tiny defect is more advantageous.

The embodiment of the invention provides a target detection method and device, electronic equipment and a readable storage medium, and relates to the technical field of computers. After a user authorizes to acquire information and starts a detection function, according to a pre-trained offset detection model and a previous moment target detection frame, an offset parameter of a detected target area of a current moment image relative to the previous moment target detection frame can be determined. Furthermore, according to the embodiment of the invention, the position of the target detection frame at the previous moment can be at least adjusted according to the offset parameter, the target detection frame at the current moment is determined, and the target detection result is output. According to the embodiment of the invention, the position of the target detection frame at the current moment can be simply, quickly and efficiently determined in a mode of determining the offset parameters, complicated model structures, processes and steps are not needed, and operation resources occupied by continuous target detection can be effectively reduced while the efficiency of continuous target detection is improved.

The invention provides a voltage source converter grid-connected harmonic resonance evaluation and analysis method, which comprises the following steps of: dividing a harmonic response closed-loop process of a voltage source converter into four processes, establishing a harmonic model considering a harmonic coupling effect, and obtaining harmonic coupling admittance according to the harmonic model; the harmonic admittance matrix representing the frequency coupling effect is obtained, the frequency coupling condition is repeatedly considered in the process, then a singular value decomposition algorithm is used for carrying out data dimension reduction on the harmonic admittance matrix representing the frequency coupling effect, main features are extracted, and a resonance judgment key value is obtained. The evaluation result of the grid-connected harmonic resonance of the voltage source converter can be determined only through the resonance judgment key value subsequently, and whether harmonic resonance occurs in the VSC grid-connected system or not can be simply and effectively determined.

The invention relates to a current validity detection method, a power supply system, a medium and equipment. The method comprises the steps that when a battery pack is in a conducting state and a heating loop heats the battery pack, the voltage value and the effective resistance value of the heating loop and the first current sampling value of the battery pack are obtained, a battery system comprises the battery pack and the heating loop which are connected in parallel, and the first current sampling value is the output current sampling value of the battery pack; determining an actual current value of the heating loop according to the voltage value and the effective resistance value of the heating loop; and detecting the validity of the first current sampling value at least according to the actual current value to obtain a detection result. Thus, the purpose of detecting the effectiveness of the current sampling value of the battery pack can be achieved, the reliability of monitoring the battery pack is improved, and then the safety of the vehicle is improved. Moreover, the structure and cost of the battery system do not need to be additionally increased, and the occupied space of the battery system is reduced.

The invention discloses a data processing method, electronic equipment and a computer readable storage medium. In response to a received target data acquisition instruction, a data processing platform acquires data interface information in a third-party platform, and the data interface information comprises at least two data interfaces and interface configuration information corresponding to the data interfaces; in response to a target data interface used for calling target data in the data interfaces, determining initial calling data based on the interface configuration information of each data interface in the obtained current interface calling sequence; performing data interface calling processing according to the current interface calling sequence, and responding to at least one associated data interface associated with a target data interface from a first data interface to a second data interface of the current interface calling sequence, and performing calling processing on the target data interface according to a response result obtained by calling the associated data interface and the initial calling data to obtain target data. Therefore, the efficiency of obtaining the target data is improved.

The present invention relates to an evaluation device 4 for evaluating the severity of pneumonia in a target patient, comprising: an acquisition unit 42 for acquiring a respiratory waveform of the target patient; a calculation unit 43 for calculating a value of an index indicating instability of a respiratory cycle or a respiratory frequency from the respiratory waveform; and an evaluation unit 44 for evaluating the severity based on the calculated value.

The invention provides a shadow area judgment method and system for a terrain triangular surface. The method comprises the following steps: acquiring terrain elevation point data and longitude and latitude values of a selected land parcel and a solar elevation angle and a solar azimuth angle at the current moment; based on the terrain elevation point data, revit software is used for modeling, and a 3d model of the land parcel is obtained; according to the solar elevation angle and the solar azimuth angle at the current moment, determining the ray emitting direction of each triangular surface in the 3d model along the solar ray direction; and on the basis that each triangular surface emits rays in the ray emitting direction of the solar ray direction, whether the rays emitted by each triangular surface coincide with the 3d model in the three-dimensional rectangular coordinate system or not is judged, and if yes, it is judged that the triangular surface is a shadow area. According to the technical scheme provided by the invention, the shadow area can be simply and quickly determined, and guidance is provided for construction of a photovoltaic power station.

Provided are an image processing device, an image processing method, and an image processing program that can easily determine a distribution of a faint calcification having low visible in a radiographic image. An image processing device includes at least one processor. The processor detects a faint calcification from a radiographic image captured by irradiating a breast with radiation and displays a calcification distribution image showing a distribution of the faint calcification in the breast in the radiographic image.

The present application relates to the field of robotics, and discloses a method for mass distribution of a bipedal robot. The method for mass distribution of a bipedal robot comprises: obtaining lower limb mass parameters; obtaining a first vector of the lower limb mass center relative to the waist center according to the lower limb mass parameters; determining a second vector of the upper limb mass center relative to the waist center according to the first vector of the lower limb mass center relative to the waist center; if the second vector meets a preset condition, obtaining the upper limb longitudinal coordinate of the upper limb mass center relative to the waist center; based on the upper limb longitudinal coordinate of the upper limb mass center relative to the waist center, the upper limb is set relative to the waist center. The method for mass distribution of a bipedal robot can improve the matching degree of the upper and lower limbs of the bipedal robot and reduce the difficulty of balance control of the robot during movement. The present application also discloses a bipedal robot.

The invention discloses a campus boundary determination method and device, equipment, a storage medium and a program product, and relates to the technical field of data processing. Based on the operator data, determining a first base station set in a pre-selected campus range and target resident users of each base station in the first base station set, the pre-selected campus range being determined based on a preset campus center point and a preset campus area; based on the operator data, first resident users of all base stations in a preset campus base station set are determined, the preset campus base station set is base stations in a preset first range with the preset campus center point as the center, and the preset first range is smaller than the pre-selected campus range; and the campus boundary is determined based on the coincidence degree between the target resident user and the first resident user, and only the operator data needs to be acquired, so that the cost required to be invested in the process of determining the campus boundary is reduced.

This invention discloses a method, apparatus, equipment, and medium for determining the operating load of a wind turbine, relating to the field of power equipment technology. The method includes: determining target operating data of the wind turbine; determining the cumulative vibration acceleration value and model coefficients of the wind turbine based on the target operating data, wherein the cumulative vibration acceleration value includes the cumulative axial vibration acceleration value and the cumulative lateral vibration acceleration value, and the model coefficients include axial model coefficients and lateral model coefficients; and determining the operating load of the wind turbine based on the cumulative axial vibration acceleration value, the cumulative lateral vibration acceleration value, the axial model coefficients, and the lateral model coefficients. This invention determines the cumulative vibration acceleration value and model coefficients of the wind turbine based on its operating data, thereby determining the operating load of the wind turbine. This method enables simple, rapid, and efficient determination of the operating load of the wind turbine without the need for additional detection equipment, improving the feasibility of the operating load determination process.

Support information for more easily determining the state of a control target is provided. A control system collects a captured image of a target associated with the imaging time, cyclically collects state values of the target, and acquires, for each predetermined length of time, a representative value of state values collected over the predetermined length of time. For a representative value selected by a user operation from representative values each acquired for each predetermined length of time, the control system displays a temporal waveform and a moving image side by side, the temporal waveform is a temporal waveform of the state values collected over the time associated with the representative value, and the moving image is a moving image of images each associated with the imaging time in the predetermined length of time.

The embodiment of the invention discloses a mine hard rock roadway tunneling blasting lumpiness control method, relates to a mine roadway blasting tunneling technology, and can effectively control the size of rock lumpiness after blasting. The method comprises the following steps: after blasting, measuring and analyzing the lumpiness of a muck pile, analyzing reasons for generating large rocks, and determining generation positions of blasting large blocks; for the blast hole with the large block area, a charging structure that the hole bottom is continuously charged and the hole opening is alternately charged is adopted for charging; after charging is completed, a multipoint detonation technology is adopted, orifices and bottoms of blast holes in a large area are detonated at the same time, superposition of multipoint stress waves is achieved, and the rock fragmentation lumpiness is improved.

Whether or not prediction data is correct can be more easily determined when a degree of deterioration of a consumable is predicted using a machine learning model. A prediction data display device includes a prediction part and a display part. The prediction part is configured to input, into a trained model on which a training process has been performed with training data in which information on first characteristic data is set as input data and information on second characteristic data is set as ground-truth data, information on third characteristic data to calculate information on fourth characteristic data, the first characteristic data indicating a degree of deterioration of a first consumable in a first period, the second characteristic data indicating a degree of deterioration of the first consumable in a second period after the first period, the third characteristic data indicating a degree of deterioration of a second consumable to be predicted in the first period, and the fourth characteristic data indicating a degree of deterioration of the second consumable to be predicted in the second period. The display part is configured to display a graph of the second characteristic data with a display appearance determined in accordance with a similarity between the information on the first characteristic data and the information on the third characteristic data, together with displaying a graph of the fourth characteristic data.

The present invention discloses an ultrasonic interference phenomenon demonstration and sound velocity measurement device, comprising: a platform, a linear translation stage, a mobile transmitting transducer assembly, a fixed transmitting transducer assembly, a receiving transducer assembly, a signal generator, a signal amplifier, and a dual-trace oscilloscope. The three transducer assemblies each include a transducer, a mounting seat, and a vertical pole, the vertical pole is fixedly connected to the lower part of the mounting seat, the mounting seat is provided with a slit, and the transducer is placed directly opposite the slit. The signal generator excites the transducers in the mobile transmitting transducer assembly and the fixed transmitting transducer assembly to generate ultrasonic waves, which are emitted through the slit to form two independent ultrasonic emission sources. The two waves emitted will be superimposed when they propagate to the slit of the receiving transducer assembly. The device has a simple structure and is easy to operate. It can demonstrate the ultrasonic interference phenomenon very intuitively and accurately measure its wavelength and sound velocity. It can also be used to demonstrate and observe the beat frequency phenomenon.

The embodiment of the present invention discloses a method and device for determining the sheath circulation of a multi-circuit cross-connected cable, wherein the method includes: determining electrical data used in the current data processing stage; determining new electrical data according to the sheath circulation values ​​of each sheath sub-circuit of each circuit in the current data processing stage, so as to load and use the new electrical data when entering the next data processing stage; and performing convergence condition judgment on the new electrical data to determine the sheath circulation of each sheath sub-circuit of the target circuit that meets the convergence condition. By executing the technical solution provided by the embodiment of the present invention, the determination of sheath circulation applicable to any multi-circuit can be realized, which is easy to realize and can make up for the shortcomings of the high time complexity and space complexity of the existing multi-circuit circulation calculation.

A method by which a terminal measures a carrier phase according to various embodiments and an apparatus therefor are disclosed. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving positioning setting information from a network; performing measurement based on the positioning setting information; and reporting a measurement result to the network, in which the positioning setting information includes information on a differential resource set including a plurality of PRS resources for removing timing errors in carrier phase measurement, and the measurement result includes a phase difference value measured using two PRS resources having a pairing relationship included in the differential resource set.

The image non-uniformity correction method and device, the infrared image device and the computer readable storage medium provided by the embodiments of the present application, the method comprises: acquiring a same group of in-focus images and out-of-focus images collected for a target scene; respectively decomposing the in-focus images and the out-of-focus images through wavelet transform to obtain corresponding in-focus sub-band images and out-of-focus sub-band images; determining a fixed image noise component contained in a high-frequency component in the out-of-focus sub-band images based on the high-frequency component; determining a corresponding image component estimation value according to a sub-band coefficient of the in-focus sub-band images and the corresponding fixed image noise component; reconstructing the image component estimation value through inverse wavelet transform to obtain a non-uniformity corrected image of the target scene, thus avoiding information loss and redundancy of the image signal in the decomposition process, so that the non-uniformity corrected image of the target scene is obtained more quickly and more clearly.

The present invention discloses a terminal relocation method and device, and relates to the field of intelligent driving technology. A specific implementation of the method includes: in response to the relocation operation of the terminal, obtaining the current frame point cloud data collected by the terminal, performing signature processing on the current frame point cloud data, and obtaining the current frame signature; obtaining the frame signature of each key frame point cloud data in the point cloud map, calculating the difference value between the current frame signature and each frame signature, and determining the first preset number of key frame point cloud data in the order of the difference value from small to large; determining the posture of each key frame point cloud data in the first preset number of key frame point cloud data, calculating the matching value and posture transformation value of each key frame point cloud data and the current frame point cloud data; superimposing the posture of the key frame point cloud data with the largest matching degree on the corresponding posture transformation value, and obtaining the current posture of the terminal in the point cloud map. This implementation can realize the effective selection of relocation key frames and ensure the accuracy of the relocation results.

The utility model relates to a device for rapidly evaluating the magnetization intensity of a magnetic bead. Comprising a first clamping plate for placing a plurality of test tubes, a supporting plate arranged at the bottom of the first clamping plate, a second clamping plate which is in sliding connection with the top of the first clamping plate and is used for lifting the test tubes, and magnets which are arranged on two side walls of the supporting plate and are used for the same magnetic field distribution, the test tubes respectively comprise a test tube containing a magnetic bead magnetization intensity standard substance and a test tube containing a magnetic bead sample with magnetization intensity to be measured, and the test tubes can enter or leave the magnetic field along with the lifting of the second clamping plate. Compared with the prior art, the device has the advantages that the same magnetic field intensity and the same magnetization starting time are met through the design, the problems of high cost, long consumed time and the like are avoided, the problem of non-uniform standards under the condition that the magnetic attraction time is used as a measurement basis is also avoided, and the magnetic force intensity of the magnetic bead sample can be simply, conveniently and quickly determined; time and economic cost are saved, and the method has important significance in the field of biological magnetic bead materials.

The invention provides a multi-mode short wave transmitter power detection method and device, relates to the technical field of transmitter power detection, and realizes accurate power detection of transmitting signals with different frequencies and different powers in multiple working modes of a transmitter. Comprising the following steps: preprocessing an output signal and a reflection signal of a transmitter and converting into digital signals; performing digital down-conversion processing on the digital signal to form a baseband signal, and obtaining an I-path signal and a Q-path signal; the I-path signal and the Q-path signal of the baseband signal are respectively squared and then summed, and power accumulation is carried out through an accumulator; and calculating power according to a power accumulation result. The method has the advantages of being suitable for various working modes, simple in calculation and accurate in detection.

The abnormality determination device according to the present invention comprises: a measurement unit that measures a plurality of factors that affect the quality of a product produced in a production facility; a control unit; and a storage unit that stores: a causal relationship model in which a causal relationship between the factors is determined on the basis of feature quantities calculated from the factors when a normal product is produced in the production facility; a predictive formula using at least one of the feature quantities as an input and using other feature quantities different from the input as an output based on the causal relationship model; and a prediction range of the output. The control unit is configured to determine whether or not the feature amount that is the output, among the feature amounts calculated on the basis of the factors measured in the production process of the production facility, is within the prediction range.

A method (200) for determining an elevation of a road portion used by a vehicle, the method (200) comprising the steps of:-detecting (201) signals transmitted by at least two respective ground-based transmitters, the ground-based transceivers being each positioned at different heights,-comparing (206) the detected signals to determine a signal having the highest power,-determining (201) the elevation of the road portion used by the vehicle, and-determining (201) the elevation of the road portion used by the vehicle. -determining (208) an elevation of the road portion based on the comparison.

The invention relates to an electrical connection device (10) between a vehicle (18) and a charging station (22), comprising a vehicle-side terminal (14) and a charging station-side terminal (16). The electrical connection device (10) comprises an additional functionality (24) integrated into the vehicle-side terminal (14) and / or the charging station-side terminal (16). The invention further relates to a method for determining a precise geographic position of an electrical connection device (10), in particular a charging cable (12); the invention further relates to the use of the electrical connection device (10) and the method for coupling the electrical connection device (10) to a user account (50) and for determining a precise geographic position of the electrical connection device (10) and of the charging station (22).

The present invention relates to a disconnecting steering trapezoid Ackerman design optimization method and system. According to actual vehicle data, the ideal Ackerman turning angle relationship of the disconnecting steering trapezoid is calculated; the disconnecting steering trapezoid mathematical model is extracted, and the disconnecting steering trapezoid is analytically calculated to obtain the actual Ackerman turning angle relationship; based on the sparrow intelligent optimization algorithm, the sum of the Ackerman errors corresponding to different turning angles is used as the objective function, and the key parameters of the disconnecting steering trapezoid are optimized and designed to obtain the optimal disconnecting steering trapezoid scheme. The disconnecting steering trapezoid calculation and optimization design method provided by the present invention can guide the economic and efficient development of the structural independent suspension, and reduce the abnormal wear of the tires, bringing practical benefits to the car users.

Disclosed is an apparatus for processing a substrate, the apparatus including: a support unit including a rotating chuck supporting the substrate, a rotating shaft supporting the rotating chuck, and a driver providing a rotating force to the rotating shaft; and a determination unit for determining whether or not a defect exists in the rotating shaft, where the determination unit determines whether or not a defect exists in the rotating shaft based on a current value applied to the driver in a case where the rotating shaft rotates.

A disclosed display device 14 includes an input unit 15 for entering an input parameter for vibration cutting, and a display unit 16 for showing a graph showing an allowable value for a setting parameter for vibration cutting based on the input parameter, wherein the input parameter includes at least one of a vibration frequency rate, a vibration amplitude rate, and a vibration direction, and the setting parameter includes a revolution number of a workpiece 20 or a tool 30, and a feeding speed of the workpiece 20 or the tool 30. This allows easy determination on the setting parameters for vibration cutting.