9results about How to "Reduce hysteresis" patented technology

The invention discloses a gene detection sample oscillation mixing device capable of accurately controlling the speed, and relates to the technical field of gene sample detection, the gene detection sample oscillation mixing device comprises a device host and a driving member, and is characterized in that the driving member is vertically embedded in the device host, and the top power output end of the driving member is horizontally connected with a rotating frame member. According to the gene detection sample oscillation mixing device capable of accurately controlling the speed, the oscillation frequency and amplitude can be accurately controlled according to preset parameters through a high-precision speed sensor and an intelligent regulation and control system which are arranged in the device host. And the driving component adopts an advanced motor driving technology, so that the stability and high efficiency of power output are ensured. And the rotating frame component is designed into an adjustable structure and can be flexibly adjusted according to the sizes of different sample containers, so that the uniformity of oscillation mixing is ensured. And the clamping component is made of a soft and elastic material, so that the sample container can be firmly clamped, and the damage to the sample in the oscillation process can be avoided.

This invention belongs to the field of medical temporal signal processing technology, specifically a method for predicting respiratory-related displacement based on attention-embedded dilated convolution. The method involves acquiring respiratory-related temporal data of the target object over continuous time; inputting this data into a trained respiratory-related displacement temporal prediction network model, which outputs the predicted respiratory displacement. The network model comprises multiple cascaded dilated convolutional residual blocks and a prediction layer. Each dilated convolutional residual block includes a causal dilated convolutional unit, a self-attention mechanism unit, and a residual connection unit. The output of the last dilated convolutional residual block is input into the prediction layer, which outputs the respiratory-related displacement of the target object at future time points. This invention dynamically weights key time steps during each layer's temporal feature extraction process, thereby improving the predictive ability for respiratory-related displacement and tumor motion.

The invention relates to a high-precision resonance ball type pressure and temperature integrated sensor, which is characterized in that a resonance ball and a resonance ball fixed support structure are integrally processed, the outer wall of the resonance ball is provided with a resonance ball surface electrode, and the inner wall of a spherical groove on a back cavity structure is provided with a back cavity structure surface electrode; the resonance ball clamped structure and the back cavity structure realize vacuum sealing through a bonding layer, an absolute pressure measurement vacuum cavity is formed between the resonance ball and the spherical groove after sealing, and surface electrodes of the resonance ball are in one-to-one correspondence with surface electrodes of the back cavity structure; a temperature measuring element is arranged on the outer wall of the resonance ball and used for sensing the temperature of the resonance ball in situ, and in-situ temperature error compensation of pressure measurement is achieved. According to the invention, real-time synchronous measurement of pressure and temperature is realized, and in-situ temperature compensation of pressure measurement is also realized, so that the measurement precision, long-term stability and temperature following performance of the pressure sensor are improved.

The application belongs to the field of food processing machines, and discloses a sand-free stir-frying cylinder, which comprises a cylinder body, wherein the cylinder body comprises a material inlet, a front material blocking part, a stir-frying part and a rear material blocking part connected in sequence, and the material inlet forms a circular truncated cone-shaped material channel; the front material blocking part forms a circular truncated cone-shaped front cavity, the top surface of the front cavity is connected with the top surface of the material channel in a coplanar manner; the stir-frying part forms a cylindrical middle cavity, the top surface of the middle cavity is connected with the bottom surface of the front cavity in a coplanar manner; the rear material blocking part forms a circular truncated cone-shaped rear cavity, the bottom surface of the rear cavity is connected with the bottom surface of the middle cavity in a coplanar manner; and the inner wall of at least one of the front material blocking part, the stir-frying part and the rear material blocking part is provided with a ceramic energy storage part. Through the arrangement of the ceramic energy storage part, the temperature in the stir-frying cylinder can be kept stable during the stir-frying process of the material, and the material can be polished without adding auxiliary materials such as sand and soil.

This utility model provides an intelligent force-controlled lightweight lithium-ion battery pruning machine. The machine includes a cutting blade and comprises a motor housing, a gear reduction mechanism, and an eccentric wheel. The motor housing has a motor output end. The gear reduction mechanism is connected to the motor output end and includes a rotating shaft. The eccentric wheel is fixed on the rotating shaft and connected to one end of the cutting blade. The gear reduction mechanism also includes a connecting end, and an oil seal mechanism is provided between the connecting end and the motor output end. This utility model solves the problem of excessive internal moving parts in pruning machines, leading to repeated friction during high-frequency shearing operations, resulting in a higher failure rate and increased equipment maintenance costs.

This invention provides a flexible inductive magnetic pressure sensor, comprising a magnetoelastic body unit, a magnetic sensing unit, and a magnetic rebound unit arranged sequentially from top to bottom, wherein the magnetization directions of the magnetoelastic body unit and the magnetic rebound unit are opposite. This invention also provides a flexible inductive magnetic pressure sensor array. Compared with the prior art, this invention utilizes the mutual repulsive force between the magnetoelastic body unit and the magnetic rebound unit with opposite magnetic poles to achieve rapid rebound of the magnetoelastic body, thereby reducing the hysteresis behavior of the inductive magnetic pressure sensor.

This application relates to the field of photovoltaic technology, and particularly to perovskite solar cells, tandem solar cells, and photovoltaic modules. The perovskite solar cell includes a perovskite light-absorbing layer, which comprises perovskite material and amino-functionalized polymer additives. The perovskite material includes materials with the general formula ABX3, where A ions are monovalent cations and B ions include Pb. 2+ The X ion is a monovalent anion; the amino-functionalized polymer additives include at least one selected from polyethyleneimine, polypropyleneimine, amino-functionalized polyetherimide, amino-functionalized polyvinylpyrrolidone, amino-functionalized polyvinyl alcohol, amino-functionalized polyacrylic acid, and amino-functionalized polyquaternary ammonium salt. This application adds amino-functionalized polymer additives to the perovskite light-absorbing layer to passivate defects at perovskite grain boundaries, reduce surface state density, prolong carrier lifetime, increase short-circuit current density, enhance the bending resistance of the perovskite light-absorbing layer, and improve the environmental stability of the device.

The application discloses an immersive AI process three-dimensional dynamic visualization method based on a particle system, and relates to the technical field of computer graphics and three-dimensional visualization. The immersive AI process three-dimensional dynamic visualization method based on the particle system comprises AI process association operation, AI process particle processing and UI interaction control. The AI process particle processing is executed to obtain an AI particle dynamic structure, the AI process key year switching is executed to obtain camera track-particle disturbance parameter linkage, and the UI interaction control is executed to obtain AI process dynamic visualization time axis interaction, so that the accuracy of immersive AI process three-dimensional dynamic visualization data is improved, and the technical problem of low accuracy of immersive AI process three-dimensional dynamic visualization data in the prior art is solved.

This invention discloses a multilayer piezoelectric ceramic vibration device for improving the strength and plasticity of alloys manufactured by laser additive manufacturing. Belonging to the field of electrical ceramic materials technology, it includes a vibration platform, a function amplifier, a power amplifier, and a multilayer piezoelectric ceramic actuator adapted to the vibration platform. The vibration platform supports a metal substrate and transmits the vibration of the multilayer piezoelectric ceramic actuator to the molten pool during the laser additive manufacturing process. Through the high-frequency stable vibration output by the multilayer piezoelectric ceramic actuator, a strong acoustic flow effect and mechanical disturbance effect are formed in the molten pool region. On the one hand, this accelerates the escape of gas from the molten pool, completely eliminating porosity defects such as pores and shrinkage, solving the problems of incomplete fusion and uneven interface bonding in traditional laser additive manufacturing. On the other hand, it breaks up the coarse dendrites growing in the molten pool, increases the nucleation core, and achieves significant refinement of grains and the second phase structure, ultimately achieving a synergistic improvement in alloy strength and plasticity.