36 results about "Horizontal axis" patented technology

The present application relates to the technical field of image segmentation, and particularly relates to a piston ring defect detection method and system based on image segmentation. The method comprises: performing polar coordinate expansion on a top view image of a piston ring to obtain a rectangular expansion graph with a circumferential angle as a horizontal axis and a radial direction as a vertical axis; calculating a gray mean value column by column along the horizontal axis direction, positioning a local minimum value interval corresponding to an opening gap in the gray mean value curve in combination with design parameters corresponding to the piston ring model, recording a center column of the interval as an angle zero point, and recording a horizontal coordinate range as an opening reference interval; performing horizontal axis rolling translation on the rectangular expansion graph with the angle zero point as a reference to obtain an angle normalized expansion graph; and inputting the angle normalized expansion graph into a target image segmentation network to output a pixel-level defect segmentation mask. The present application converts the piston ring opening gap from a detection interference source into an angle coordinate reference, and simultaneously realizes false positive exclusion and true positive confidence improvement.

Providing electrochromic sheets, laminates, eyeglass lenses, and eyeglasses that enable rapid color development. [Solution] An EC sheet comprising a first substrate, a second substrate, an EC element, and a sealing portion, wherein the EC element has a first transparent electrode, a second transparent electrode, and an EC layer, and the visible light transmittance of the EC sheet changes within a range including 30% when a voltage is applied, and the impedance of the EC sheet is measured under the following measurement conditions, and the internal resistance per unit area obtained from the obtained Nyquist diagram using the following formula (1) is 250 Ω / cm². 2 The following is an electrochromic sheet. Internal resistance = Resistance 1 + (Resistance 2 - Resistance 1) × 2 ... (1) (Resistance 1 is the value at the intersection of the horizontal axis of the Nyquist plot and the graph of the Nyquist plot.) Resistor 2 is the real component of the point where the imaginary component of the graph is maximized in the low-frequency region of the graph.

This invention discloses a method for obtaining the wind-induced vulnerability curve of transmission towers based on failure probability, relating to structural engineering technology. The method includes the following steps: establishing a probability distribution model of the extreme response of the transmission tower to wind load; constructing a probability distribution model of the structural bearing capacity of the transmission tower; obtaining the failure probability based on vulnerability analysis using Latin hypercube sampling; plotting vulnerability curves with wind speed as the horizontal axis and failure probability as the vertical axis, drawing curves under different failure criteria to obtain vulnerability curves based on failure probability; performing vulnerability analysis in conjunction with engineering estimates to obtain the loss rate; plotting vulnerability curves; and finally, plotting a curve with wind speed as the horizontal axis and loss rate as the vertical axis to obtain vulnerability curves based on engineering estimates. This invention's method is characterized by its high efficiency in analytical calculation and is suitable for analyzing the failure probability and loss rate of transmission towers in engineering contexts.

The image shown in "Image Diagram" is for displaying weather forecasts and information. This image is used to perform operations that enable the display of information regarding snow depth. Specifically, as shown in the "Reference Diagram Showing the Names of Each Part," this image has a graph area and play / stop buttons. The graph area contains an area graph that shows the snow depth over time, a depth bar which is the vertical axis of the area graph, and a time bar. The line of the area graph shows the snow depth. The area between the line and the horizontal axis of the area graph is colored with a predetermined color. The depth bar is represented by different colors in stages according to the snow depth. The time bar shows the present and is positioned to overlap with the area graph. The right side of the time bar represents the future, and the left side of the time bar represents the past. When the play / stop button is operated (tapped), time passes, and the area graph moves from right to left as time passes. The playback stops when the play / stop button is operated again. This allows the user to visually grasp the snow depth.

The application relates to the technical field of relay protection, in particular to a fault phase selection method for a wind farm sending-out line based on transient waveform-energy multi-feature fusion and application thereof. Wavelet energy of each-phase current fault component is used as a horizontal axis, and a fractal dimension thereof is used as a vertical axis, so that a two-dimensional plane with two types of minimum enclosing circles is formed; a fault sample is projected onto the two-dimensional plane; and a distance between the fault sample and a two-class minimum enclosing circle region on the two-dimensional plane is used as a fault phase selection criterion; and the fault phase selection is performed when a ground fault is excluded according to the size of zero-mode voltage. The required time window is short, and the problem that fault phase selection is inaccurate when a far-end high resistance is identified by a traditional phase selection method is overcome. The application aims to solve the problem of how to perform fast and accurate fault phase selection for a wind farm sending-out line without relying on power frequency quantities.

The utility model provides a kind of track inertial navigation measurement system, including track detection car, two wireless digital display displacement meters are symmetrically arranged and are installed in the downside of track detection car horizontal axis by connecting seat, and the mobile measuring end of one wireless digital display displacement meter is slidably connected to the downside of track detection car by sliding piece, the bottom of sliding piece is connected with first rolling piece, and the mobile measuring end of another wireless digital display displacement meter is connected with second rolling piece, and first rolling piece and second rolling piece are respectively rollingly connected to the inside standard track gauge of left and right tracks, and automatic leveling base is connected to the upper side of middle part of track detection car by fixing part and is built-in with multi-axis sensor.The utility model can directly measure track gauge value by two wireless digital display displacement meters, three-dimensional coordinate measurement component can obtain the three-dimensional coordinates of the center of automatic leveling base, then according to the azimuth angle, inclination and track gauge value measured by multi-axis sensor, the three-dimensional coordinate values of left and right tracks are calculated, so that the space attitude of track can be quickly measured for the initial adjustment of track.

This invention belongs to the technical field of low-frequency calibration methods for non-free-field hydrophones, and particularly relates to a low-frequency calibration method for non-free-field hydrophones based on multi-frequency measurement and deep learning. The method involves determining the test frequency points for hydrophone calibration, selecting several frequency points within the nearest frequency band of each test frequency point, emitting sinusoidal pulse signals through an underwater acoustic transducer, and receiving the acoustic signal waveforms corresponding to each frequency point at the sound pressure measurement point. The received waveforms at each frequency point are then time-domain aligned and resampled to construct a two-dimensional waveform diagram with time as the horizontal axis and frequency as the vertical axis. In this two-dimensional waveform diagram, the direct sound components are vertically distributed, while the reflected sound components are slopingly distributed with different slopes. A deep learning module based on a U-shaped encoder-decoder network structure is constructed, and this deep learning module is trained and its parameters optimized using a pre-generated two-dimensional waveform dataset.

This utility model relates to the field of milling machine technology. A horizontal axis keyway milling fixture includes a machine tool, a spindle box on the machine tool, a main drive shaft inside the spindle box, several milling cutters mounted on the main drive shaft, an upper support plate slidably mounted on the machine tool, and a fixture assembly on the upper support plate. The fixture assembly includes a positioning block fixed in the middle of the upper support plate, locking wrenches symmetrically arranged on both sides of the upper support plate, a pressure block pressing on the workpiece in the middle of the upper support plate, and an adjusting top block on the rear side of the upper support plate. This utility model provides a horizontal axis keyway milling fixture that can process multiple workpieces at once, is easy to operate, has good clamping effect, and can restrict the workpiece from multiple directions, meeting higher production demands. It solves the technical problems of existing milling machine fixtures having a simple structure, only able to process one workpiece at a time, resulting in low processing efficiency and easy workpiece movement during processing, thus failing to meet higher production requirements.

This application discloses a method for predicting the mechanical properties of PBT elastomers during the curing process. The method includes: Step S1: Measuring the tensile mechanical property parameters of the PBT elastomer under varying curing temperature and time; Step S2: Plotting evolution curves at different curing temperatures with the tensile mechanical property parameters as the vertical axis and curing time as the horizontal axis, performing linear fitting to obtain the linear fitting coefficient K and linear fitting coefficient b between the tensile mechanical property parameters and curing time; Step S3: Plotting evolution curves with the linear fitting coefficient K and linear fitting coefficient b as the vertical axis and curing temperature as the horizontal axis, performing linear fitting to obtain the linear fitting coefficient A between the linear fitting coefficient K and curing temperature. K and linear fitting coefficient B K And the linear fitting coefficient b and the linear fitting coefficient A of curing temperature b and linear fitting coefficient B b This application provides a predictive model for the mechanical properties of PBT elastomers during the curing process, effectively shortening the experimental cycle and reducing costs.

This utility model provides an automated processing equipment for moxibustion tubes, including a paper sleeve picking and placing mechanism, a positioning mechanism, a suspension picking and placing mechanism, a covering mechanism, a fixing mechanism, and a glue applicator. The paper sleeve picking and placing mechanism includes a support, on which a horizontal axis linear module is mounted, and on the horizontal axis linear module is a vertical axis linear module. A clamping sleeve and a pressing fixture are mounted on the vertical axis linear module. The positioning mechanism includes a turntable, on which several clamps are evenly arranged in a ring on its surface for placing the paper sleeve. The covering mechanism includes a cloth-laying wheel and a first linear module, on which a cutting mechanism and a suction mechanism are respectively mounted. The fixing mechanism includes a central shaft, on which a sliding sleeve is mounted. The glue applicator includes a rotating glue applicator platform and a glue dispensing machine. In this utility model, the turntable of the positioning mechanism is located at the center, and the other mechanisms are arranged sequentially around the turntable according to the process flow. The structure is reasonable, the action logic is clear, and the entire process is automated, significantly improving production efficiency.

This invention discloses a piston outer diameter friction and wear testing device, comprising a chassis, a side pressure loading system, and a lifting system. The side pressure loading system is connected to a tray, and the piston to be tested is fixedly mounted on the tray. The lifting system is connected to a rotary actuator, and the output end of the rotary actuator is connected to a friction wheel. The side of the friction wheel is provided with an arc groove arranged circumferentially around a horizontal axis. The radius of the arc groove matches the radius of the piston to be tested. The side of the piston to be tested is embedded in the arc groove. The side pressure loading system pushes the piston to be tested horizontally through the tray to press against the arc groove. The rotary actuator drives the friction wheel to rotate around the horizontal axis, and the lifting system drives the friction wheel to reciprocate up and down. This invention greatly simplifies the linkage mechanism required for the movement of the piston to be tested, making the testing device simpler. It can test pistons of different sizes, improving the applicability of the device, realizing friction and wear tests on different piston outer diameter positions under different test pressures, and improving work efficiency.

In a post-processing device installed in the internal space of an image forming apparatus, the mechanism for moving the binding unit is made smaller than in conventional devices. [Solution] The post-processing device 5 installed in the internal space 6 of the image forming apparatus 1 includes a binding unit 50 that performs binding on a sheet 9, and a moving mechanism 60 that moves the binding unit 50 in a direction perpendicular to the sheet transport direction. The moving mechanism 60 includes a rail 61 that extends in the direction of movement and supports the binding unit 50 so that it can move, pulleys 65 provided at both ends of the rail 61, and a timing belt 66 that is stretched over the pulleys 65 and moves the binding unit 50 along the rail 61. The rotation axis 65a of the pulley 65 is set at an angle θ of 45 degrees or less with respect to the horizontal axis.

The application discloses a semitrailer acceleration compensation method, device, equipment and storage medium, and belongs to the technical field of automobile control. The semitrailer acceleration compensation method comprises the following steps: acquiring a planned acceleration, a current hinged angle, a current vehicle speed and a current load mass at a current moment; performing linear interpolation in a preset three-dimensional space based on the current hinged angle, the current vehicle speed and the current load mass to obtain a curve acceleration compensation amount; a horizontal axis of the preset three-dimensional space represents a vehicle speed, a vertical axis represents a hinged angle, and a vertical axis represents a vehicle load mass; and obtaining an acceleration control amount based on the planned acceleration and the curve acceleration compensation amount. The application can correct the problem of reduced longitudinal control acceleration performance of a semitrailer caused by a curve scene, so that the semitrailer can successfully complete turning.

The application provides a method for analyzing repairable yield of a functional module of a chip, comprising: obtaining total failed die quantities before and after repair of each functional module and design parameter values of each functional module; calculating repairable yield according to the total failed die quantities before and after repair of each functional module; for each functional module, drawing a corresponding point in a rectangular coordinate system with the design parameter value as the horizontal axis and the repairable yield as the vertical axis, linearly fitting a scatter diagram composed of the points to obtain a fitting curve; calculating absolute errors between the corresponding point of each functional module in the rectangular coordinate system and the fitting curve, and screening out abnormal points with absolute errors greater than an error threshold; if the abnormal point is located above the fitting curve, determining that the repairable yield of the functional module corresponding to the abnormal point is normal; and if the abnormal point is located below the fitting curve, determining that the repairable yield of the functional module corresponding to the abnormal point is abnormal.

The application provides a kind of reference-free single-axis rotary table optical fiber strapdown inertial navigation field full-automatic calibration method, which can be realized by only needing a single-axis rotary table, replaces the higher precision double-axis or three-axis rotary table and other equipment calibrated by traditional calibration method, reduces the demand for equipment of field calibration, replaces the requirement of accurate north induction and leveling of traditional calibration method, has better adaptability to harsh environment, meets the demand of complex and changeable field, first calibrates horizontal constant bias, then calibrates sky direction gyro scale coefficient and sky direction to horizontal axis gyro installation error, finally calibrates three-axis gyro constant bias, compensates coupling error of each parameter according to the set calibration order, iteratively reduces, generates automatic calibration program by combining the calibration method designed by the application with rotary table control program, realizes full automation of field calibration process, greatly shortens the calibration time compared with traditional calibration method, has the characteristics of simple method, high efficiency and full automation.

The present disclosure provides a lander configured for powered descent landing with uncertainty in a current state of the lander. The lander comprises a memory configured to store a list of desired landing locations on a landing surface, and a plurality of controllable sets. The lander further comprises a motion planner configured to (1) select a controllable set from the plurality of controllable sets based on a current amount of fuel in the lander and a desired time of descent to the landing surface; (2) shift the selected controllable set along a horizontal axis to place its hover point above a landing location selected from the list of desired landing locations; (3) check if a current state of the lander lies within the selected controllable set, and generate a trajectory from the current state of the lander to the hover point of the shifted controllable set.

This invention relates to an electrophotographic photosensitive element, a processing cartridge, and an electrophotographic apparatus. An electrophotographic photosensitive element is provided, characterized in that, in a graph obtained by measuring an EV curve and having a horizontal axis representing I and a vertical axis representing V, when I = 0.500 [μJ / cm²]... 2 V at time ] by V r [V] represents I = 0.000~0.030 [μJ / cm] 2 Within the range of S = I·(V - V) r S[V·μJ / cm] represents 2 The maximum value of ] is determined by S max [V·μJ / cm 2 [This indicates that] I = 0.000–0.010 [μJ / cm²] 2 The approximate straight line within the range of ] and I = 0.490~0.500 [μJ / cm 2 The amount of light I on the horizontal axis at the intersection of approximately straight lines within the range of ] i [μJ / cm 2 [and the potential V on the vertical axis] i The product of [V] is given by S i =I i ·(V i -V r )[V·μJ / cm 2 When represented by ], AR = S i / S max S represents i With S max The ratio satisfies AR ≤ 0.10.

This utility model discloses a feeding structure for a horizontal axis mixing device, relating to the technical field of mixing devices. It includes a mixing tank containing a mixing assembly. A conveying assembly is fixed to one side of the outer wall of the mixing tank, and a storage hopper is mounted on the conveying assembly. A discharge assembly is connected to the bottom of the storage hopper, and a vibration assembly is connected to the top of the storage hopper. The vibration assembly includes a support plate, with two springs symmetrically fixed to the upper end of the support plate. A support plate is connected to the upper end of the two springs, and a first servo motor is fixed to the upper end of the support plate. An eccentric block is connected to the output end of the first servo motor, and a vibrating rod is connected to the lower end of the support plate, extending to the bottom of the storage hopper. In this utility model, the vibration assembly prevents material blockage, ensures stable feeding, guarantees sufficient material supply, and improves product quality; the mixing assembly efficiently mixes materials; all components work smoothly together, have a reasonable structure, are easy to operate, and have good stability.

This invention relates to the field of physical sensor technology, specifically to a device and method for measuring the deformation of a main beam structure. The device includes a housing, a float, a measuring mechanism, and a driving mechanism. A central rod is located inside the housing. The float includes an inner float ball and an outer float sleeve. A lubrication groove is provided on the inner circumferential surface of the inner float ball. A first flow channel is provided on the inner float ball, connecting its outer circumferential surface to the lubrication groove. The outer float sleeve is coaxially fitted around the inner float ball, and a second flow channel is provided between the outer float sleeve and the inner float ball. The measuring mechanism can measure the height of the liquid level. The driving mechanism can drive the outer float sleeve to reciprocate up and down relative to the inner float ball around a horizontal axis, thereby allowing the liquid in the housing to enter the lubrication groove through the second and first flow channels to lubricate the central rod, preventing dry friction between the float and the central rod, and making the measurement of the main beam structure deformation more accurate.

This invention relates to a reusable tower crane wall-mounted column-hugging device, comprising a standard module, a corner module, a lug plate connecting module, lug plates, and a fixing assembly. Each of the standard module, corner module, and lug plate connecting module includes an insert section and an inserted section. The vertical cross-sectional area of ​​the insert section is smaller than that of the inserted section. The inserted section has an internal cavity that opens outwards. Both the insert section and the inserted section have vertically oriented fixing holes. The insert section of any module can be inserted into the cavity of the inserted section of another module. The fixing assembly installed in the fixing holes securely connects the inserted section and the inserted section. The insert section and the inserted section of the standard module and the lug plate connecting module are located on the same horizontal axis. The horizontal axis of the insert section of the corner module is perpendicular to the horizontal axis of the inserted section of the corner module. The lug plates are mounted on the lug plate connecting module. Different sizes and shapes of column-hugging structures can be formed by assembling these modules.

The learning apparatus for machine learning a score function to be used for two-class classification includes a score function optimization unit that updates, by setting, as an index, a total value of a value obtained by multiplying an AUC by a weight λ which is a positive real number and a value obtained by multiplying a pAUC by a weight (1−λ), a parameter of the score function through machine learning that is performed, using training data, so as to maximize the index, while decreasing the value of the weight λ. The AUC indicates an area of a region on a horizontal axis side of a curve obtained by changing a threshold for determining a positive example and a negative example in the score function. The pAUC is a value of the AUC when the value of the false positive rate is set to a specific fixed value.

The application relates to a tube rotation angle display method and device, a storage medium and a DR system. The method comprises the following steps: detecting the placement direction of a flat panel detector; taking a line perpendicular to the placement direction and passing through a tube as a zero-degree reference line of a tube rotation angle; the tube rotation angle is the rotation angle of the tube around a horizontal axis; and displaying the current value of the tube rotation angle according to the zero-degree reference line of the tube rotation angle. The method can make the feedback of the tube rotation angle consistent with the required X-ray incidence angle in clinical practice, and the gantry can be directly positioned according to the displayed current value of the tube rotation angle, thereby improving the positioning efficiency of the gantry.

A measuring instrument and application method for measuring the misalignment of cracks in concrete structures. The measuring instrument consists of a base plate, a top plate, a panel, support A, support B, a vertical measuring rod, a horizontal measuring rod, a main measuring wheel, a secondary measuring wheel, and a measuring stylus. Support A consists of a fixed horizontal axis A, a movable horizontal axis A, and a vertical rod A. The fixed horizontal axis A is installed inside the fixed wheel A, and the movable horizontal axis A is installed inside the rolling wheel A. Support B consists of a fixed horizontal axis B, a movable horizontal axis B, and a vertical rod B. The fixed horizontal axis B is installed inside the fixed wheel B, and the movable horizontal axis B is installed inside the rolling wheel B. The main measuring wheel, the secondary measuring wheel, and the wheel axle are fixed together and connected to the top plate through a bearing seat. The radius of the secondary measuring wheel is larger than the radius of the main measuring wheel. The vertical measuring rod and the main measuring wheel mesh with each other through teeth, and the horizontal measuring rod and the secondary measuring wheel mesh with each other through teeth. The method is as follows: Select the misalignment measurement position, open the gap between the top plate and the base plate, install the measuring instrument, press down the top plate, press the measuring stylus against the structural surface to take the reading, and then retract the measuring instrument.

This invention discloses a stratigraphic data encoding method, apparatus, electronic device, and storage medium. The method includes: constructing a two-dimensional rectangular coordinate system; allocating basins along the horizontal axis of the two-dimensional rectangular coordinate system, sequentially allocating non-overlapping continuous intervals according to the basin numbering order within the target area, and retaining a pre-set size general area to obtain a first coordinate system; recursively segmenting and encoding the vertical axis of the first coordinate system to obtain a second coordinate system; and determining stratigraphic data encoding points based on the second coordinate system and sample information. This method, through two detailed divisions of the two-dimensional rectangular coordinate system, establishes temporal and spatial relationships between stratigraphic basins, and by mapping the strata of the target area to coordinates, achieves the generation of geological features that span across basins and time.

This invention relates to the field of educational management technology, and discloses a method and system for managing intelligent teaching and research activities that supports multimodal input. The method includes: collecting audio streams, video streams, and comment texts of teaching and research activities; writing the comment texts into pointer fields pointing to speech segments and behavior tag indices to obtain chained annotations; establishing and encapsulating mutual pointers between the audio stream, video stream, and chained annotations based on time identifiers to obtain a teaching and research dataset; constructing a composite teaching activity curve with the speech text time period as the horizontal axis and the composite value of behavior frequency and speech transition number as the vertical axis; using the peaks, troughs, and slope change points of the curve as rhythm feature points, and matching them with a behavioral semantic database to obtain a rhythm analysis graph; using the graph as the time axis skeleton, embedding the chained annotations into the target time interval according to the pointer direction to obtain a comprehensive analysis report; this invention can improve the efficiency of intelligent teaching and research activity management that supports multimodal input.

The utility model provides a water conservancy project pipe -in -place wire -laying device relates to pipe -in -place wire -laying technical field, the utility model discloses a measurement casing, one side outer wall of measurement casing is fixedly connected with the swivel plate along the horizontal direction, the output of swivel plate is fixedly connected with the tape roll along the horizontal axis direction, the outer circumferential surface of tape roll is wound with the measurement scale band, one end of measurement scale band is fixedly connected with the end of tape roll. The utility model discloses, through setting up detachable main counter weight and vice counter weight, the flexible adjustment of counter weight is realized with cooperation connecting device. When outdoor wind power is bigger, can install vice counter weight through the cooperation of rectangular connecting block and rectangular slot fast, utilize the clamping structure of wedge -shaped clamping block and clamping groove to ensure that the connection is stable, significantly increase the overall counter weight, effectively offset the impact of wind power to the scale band, avoid the scale band to shake, ensure that the measurement scale band always keeps vertical straight state in the wire -laying process, improve the accuracy of pipe -in -place path measurement.

A ramp assembly comprises a support defining each of a vertical axis and a horizontal axis, a ramp being coupled to the support and being configured to support an passenger thereon. An optional actuator mechanism may be coupled to at least one of the support, the ramp, a power source and a controller, the actuator mechanism configured, in a response to a control signal from the controller or in a response to a manual force, to rotate the ramp about the vertical axis between a stowed position and a deployed position or rotate the ramp about the horizontal axis between the deployed position and a ground engaging position. The actuator may comprise a motor with a gearbox and two gears to rotate the ramp about the vertical axis. The actuator may comprise a linear actuator to rotate the ramp about the horizontal axis.

This invention discloses a ladder for construction machinery and its control method, belonging to the field of construction machinery technology. The ladder includes a fixed frame, a ladder frame, a rotating support, and a flipping support. The rotating support is located at the bottom of the fixed frame, and one end of the ladder frame is connected to the rotating support. The rotating support can rotate around a first vertical axis, allowing the ladder frame to rotate between a first position and a second position relative to the fixed frame. The flipping support is located at the bottom of the fixed frame, and the ladder frame is connected to the flipping support. The flipping support can rotate around a second horizontal axis, allowing the ladder frame to flip between a horizontal and a vertical state relative to the fixed frame. When the ladder frame is in the first vertical position, it can be climbed. When it is in the second horizontal position, it is stored in the storage space at the bottom of the fixed frame. This invention has a compact structure, and when stored, it does not exceed the width of the underframe, avoiding damage from bumps and collisions, and significantly improving the convenience and safety of the driver getting on and off the vehicle.

This invention discloses a rotary axis balance calibration system and method, aiming to solve the problem that traditional calibration methods are difficult to adapt to different balance configurations and simulate real rotational conditions. The system includes horizontal and vertical axis calibration benches, a multi-channel measurement system, a control and monitoring alarm system, and dynamic calibration software. The method includes: adapting to the mechanical structure to construct a simulated environment; driving the balance to rotate and implementing closed-loop speed regulation; applying a standard load covering multi-axial combined forces and moments; synchronously acquiring signal, temperature, and rotational speed data; and establishing characteristic equations through calculation to generate a coefficient matrix covering temperature drift compensation, dynamic correction, and decoupling operations. This application achieves compatibility with propeller and rotor balances through a dual-layout bench, realistically reproducing complex dynamic load environments, effectively eliminating centrifugal force effects and inter-dimensional coupling interference, significantly improving the confidence level and measurement accuracy of calibration coefficients, and providing accurate and reliable data support for power system performance evaluation.

The embodiment of the application discloses a kind of LPDDR grain power consumption test analysis method and equipment based on energy efficiency model, method includes: the original power consumption response data sequence of the time stamp being produced when being tested LPDDR grain operation test incentive program is collected;It is mapped to three-dimensional space with time as horizontal axis, power consumption as vertical axis, power consumption rate of change as longitudinal axis, generates power consumption response space-time mapping surface structure;Call LPDDR grain energy efficiency model to feature analysis of surface, extract transient power consumption impact response feature sequence and steady-state power consumption response feature sequence;Two feature sequences are matched in standard energy efficiency state response template library, and energy efficiency state transition path descriptor is generated;According to the path descriptor, the surface is segmented, and the power consumption distribution characteristic parameter set of each node position is obtained, and the power consumption test analysis conclusion mark containing energy efficiency level mark is generated based on the set, the fine identification and automatic quantitative rating of LPDDR grain energy efficiency state are realized.