A5054606531- Magnetic Bearings and Levitation Dynamics
- Tribology and Lubrication Engineering
- Electric Motor Design and Analysis
- Magnetic Field Sensors Techniques
- Advanced Measurement and Metrology Techniques
- Non-Destructive Testing Techniques
- Target Tracking and Data Fusion in Sensor Networks
- Inertial Sensor and Navigation
- Structural Analysis and Optimization
- Welding Techniques and Residual Stresses
Beihang University
2019-2023
Ningbo University of Technology
2022
The output stability of the displacement sensors is essential to enhance reliability active magnetic bearings in high-temperature applications. This paper proposes a novel temperature drift compensation method for exponential hysteresis characteristics eddy current sensors. transient thermal analysis sensing assemblies demonstrate that errors are mainly induced by variation effect: one dynamic lag between probe coil and air gap, other target material gap. An auxiliary device consisting plate...
The strong gimbal persistent disturbance torque and the plant perturbations, which threaten stability of active magnetic bearings (AMBs) system, is a challenging topic in research area magnetically suspended control moment gyros (MSCMGs). This article explores new scheme, combined with robust controller an adaptive feedforward controller, to deal internal multiparameter perturbations AMB-rotor system external disturbances moving effects. First, effects consisting displacement/current...
The whirl mode, seriously affecting the stability of active magnetic bearings (AMBs), is a hot issue in AMBs-rotor system. This article stresses mode problem accompanied by operating point deviation when magnetically suspended control moment gyro outputs torque. A feedback linearization controller proposed to decouple effects from system state-space representation. robust for uncertain systems also used solve problem. First, system's representation containing terms described. Next,...
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The ultra-precise stabilization spacecraft (UPSS) necessitates the use of hollow-cup machines (HCMs) with extremely low output torque ripple to achieve accurate attitude control. A recently proposed method, known as inner rotor sinusoidal shaping (IRSS), has been shown effectively reduce in HCMs while also mitigating issues caused by existing permanent magnet (PM) techniques, such irreversible demagnetization and manufacturing complexity. To further explore superiority this paper compares it...