Abstract Breast cancer continues to be a major health issue for women worldwide, with vimentin (VIM) identified as crucial factor in its progression due role cell migration and the epithelial‐to‐mesenchymal transition (EMT). This study focuses on elucidating VIM's regulatory mechanisms miR‐615‐3p/PICK1 axis. Utilizing 4T1 breast model, we first used RNA‐seq proteomics investigate changes APA of PICK1 following VIM knockout (KO). These high‐throughput analyses aimed uncover underlying...

Sustainable development is a hot topic in the world recent years. For example, Casablanca has pioneered sustainable management methods [1], use of solid waste shotcrete an important measure to alleviate shortage sand and gravel resources China help implementation " double carbon strategy [2]. In this paper, two-factor three-level test method used explore best mix ratio wet by comparing flow performance mechanical properties shotcrete. The content rubber particles as quantitative factor, two...

To study the effect of double mixing waste rubber and fly ash on strength water permeability pervious concrete, this paper adopts an orthogonal experimental design, aiming at exploring optimal range between amount by analyzing different amounts two compressive coefficient concrete design ratio with optimized balance coefficient. The results show that appropriate can improve compactness but too much will reduce strength. Waste increase within a certain range, it. decreases in dosage ash. It...

Primary nuclear protein in testis (NUT) carcinoma is a rare malignant tumor originating from the salivary glands that usually occurs midline structures, such as head and neck, has been identified young patients. Progression of NUT rapid, there high degree invasion. The median survival time patients 6 to 9 months, 80% die within 1 year after diagnosis.This case report summarizes treatment 36-year-old male patient with right parotid gland. overall was 2 years. We also discuss applications...

To achieve high‐precision position control for the active magnetic bearing high‐speed flywheel rotor system (AMB‐HFRS), a novel strategy based on inverse method and extended two‐degree‐of‐freedom (2‐DOF) proportional–integral–derivative (PID) controller is proposed in this study. First, employed to decouple AMB with strong non‐linear coupling, into four independent subsystems. Subsequently, 2‐DOF PID controllers are used regulate decoupled subsystems, obtain good performances of disturbance...

To eliminate the influence of gyroscopic effect on system stability and to improve control performances for active magnetic bearing (AMB) high‐speed flywheel rotor system, a novel strategy based modal separation inverse method is proposed. The translational motions rotational AMB are firstly decoupled by separation, then method, so that which multivariable strong coupled into four subsystems. Finally, subsystems regulated two‐degrees‐of‐freedom (2‐DOF) internal model controllers,...

How to improve the reliability has been a challenging task for transient protection, which affected seriously by fault initial angle (FIA) and resistance (TR). Based on support vector machine (SVM), novel smart protection method is presented in this study, protects bus two transmission lines connected bus. The based measurements from close-in ends of lines. Hilbert–Huang transform used extracting instantaneous amplitude measured currents. area determined amplitude-integral (IA) currents,...

The current damage is the most stubborn and difficult fault of high-power motor bearings because its vibration characteristics are easily confused with those ordinary bearing mechanical faults. If it discriminated as an without electrical insulation protection, shafts will still repeatedly appear. Aiming at problem that to identify under variable working conditions, a shaft identification method based on multiscale feature label propagation manifold metric transfer (MFLP-MMT) proposed....

The energy storage virtual synchronous generator (VSG), which can provide inertial support for the grid, has attracted wide attention. However, there is a problem that dynamic characteristics and of primary frequency modulation grid-connected active power cannot be satisfied at same time. Therefore, oscillations suppression strategy VSG based on feedforward compensation proposed in this paper. This uses rated to feed forward closed-loop loop through link increases transient damping system...

This paper presents a twelve-pole heteropolar radial hybrid magnetic bearing (HRHMB) structure. Firstly, the structure and equivalent circuit (EMC) are designed. And electromagnetic force characteristics calculated by EMC model. At same time, rationality of model is verified finite-element method (FEM) Magnet software. Then, 2-D HRHMB established in The flux density variations eight-pole under different currents compared using FEM. Finally, Magnet-Simulink cosimulation proposed to analyze...

Because of the nonlinear, uncertainty, open-loop instability and other characteristics magnetic control system, levitation ball system is taken as research object, mathematical model established in this paper well. Phase lead correction controller designed based on Matlab/Simulink. The simulation was carried out a experiment GML2001 test bench. experimental results show that can make dynamic performance index reach expected setting. parameters are easy to determine simple implement.

The key to the evaluation of bearing performance degradation is extract sensitive characteristic indicators that can reflect process. In order solve problem insufficient sensitivity multi-source signals feature, a fusion entropy ratio feature based on dynamic time warping proposed. First, segmented approximate entropy, sample and fuzzy process are extracted, then mean clustering used obtain standard vector health state. eliminate influence working environment value state evaluation, concept...

Abstract Domain adaptation has shown good performance in fault diagnosis of bearing transferable working conditions. However, most the existing cross-domain models are carried out linear space, which subject to strong constraints and ignore manifold correlation information between samples, greatly limits learning ability model. Therefore, we propose a embedding adaptive graph label propagation method for rolling bearings under variable The purpose is reduce cross-condition domain offset mine...

The energy storage virtual synchronous generator (VSG) can provide certain inertia support for the renewable power generation system, but its damping coefficient is coupled with primary frequency modulation coefficient, so dynamic oscillation and steady-state error of grid-tied active cannot be eliminated simultaneously when command grid are disturbed. Therefore, a response optimization strategy based on improved impedance VSG proposed in this paper, which introduces into voltage control...

The electrical measurement method is adopted.The cracked shaft regarded as a beam.In case of static force and the rotating 360 degrees, strain at point near crack studied.The effect on was discussed.It found that surface which in radial direction will produce more strain, has great significance for study about identification cracks.

It is difficult to obtain the accurate mathematical model of controlled object for hysteresis nonlinearity piezoelectric actuator.An adaptive sliding mode control strategy based on switching gain and boundary layer thickness proposed.The chattering phenomenon reduced, tracking accuracy guaranteed, it has good robustness external disturbance.The stability whole closed-loop system proved by Lyapunov criterion, method simple reliable.Simulation results show effectiveness proposed algorithm.

For the stability problem of active magnetic levitation ball, application PID controller on system is determined. Firstly, linearized mathematical model ball established. Then parameters are adjusted by trial method. The influence three introduced, and a designed for set actual systems. performance simulated experimentally studied. research results show that electromagnetic suspension based has high anti-interference stability.

As a non-contact bearing, electromagnetic bearing is suspended in the air by magnetic force. In this paper, iron loss and radial flux density are analyzed under different currents. Through certain period of simulation, it found that greater current range, force, more winding turns, The increases with (within range), tangential tends to be same It will provide reference for design bearing.