切换压电纳米运动阶段的代学习控制与歇斯底里状态和参数估计
1Energy and Electricity Research Center, Jinan University, Zhuhai 519070, China.
ISA transactions
|February 3, 2026
概括
这项研究引入了一种新的适应状态观察器,用于控制压电纳米运动阶段,有效地管理歇斯底里非线性. 该方法可确保高精度的轨迹跟踪,用于精确的纳米测量应用.
科学领域:
- 精密工程 精密工程是指精密的工程.
- 控制系统 控制系统
- 纳米技术 纳米技术
背景情况:
- 压电纳米运动阶段对于纳米测量中的高精度光学扫描至关重要.
- 这些系统中的hysteresis非线性构成重大控制挑战.
研究的目的:
- 开发一种歇斯底里状态和参数估计方案,用于切换压电阶段的代学习控制.
- 通过补偿歇斯底里和外部干扰来提高轨迹跟踪的准确性.
主要方法:
- 使用一个不对称的Bouc-Wen模型 (ABWM) 来表示hysteresis.
- 使用基于预测错误的更新定律来观察歇斯底里状态.
- 实现适应状态观察器用于估计和反向补偿.
- 为外部干扰和未建模的动态引入一个强大的补偿术语.
- 应用一个切换代学习控制框架.
主要成果:
- 证明了出色的自适应模型预测性能.
- 在实验中实现了令人满意的位移控制精度.
- 通过利亚普诺夫稳定理论验证了参数估计和状态观测错误的趋同.
结论:
- 拟议的适应状态观察器有效地估计和补偿压电阶段的歇斯底里.
- 切换代学习控制框架提高了轨迹跟踪的准确性.
- 开发的方法为高精度纳米测量任务提供了强大的解决方案.
更多相关视频
14:47Author Spotlight: Combined Peripheral Nerve Stimulation and Controllable Pulse Parameter Transcranial Magnetic Stimulation to Probe Sensorimotor Control and Learning
Published on: April 21, 2023
3.7K
10:27Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
Published on: February 27, 2013
16.0K
相关概念视频
Distributions to Estimate Population Parameter
5.1K
The accurate values of population parameters such as population proportion, population mean, and population standard deviation (or variance) are usually unknown. These are fixed values that can only be estimated from the data collected from the samples. The estimates of each of these parameters are sample proportion, the sample mean, and sample standard deviation (or variance). To obtain the values of these sample statistics, data are required that have particular distribution and central...
5.1K
Switching of BJT
864
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
864
What are Estimates?
8.8K
It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates.
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
8.8K
Wave Parameters
9.4K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
9.4K
Estimation of k and VD of Aminoglycosides
248
Aminoglycosides are a class of antibiotics used to treat various bacterial infections. Clinicians must determine the elimination rate constant (k) and volume of distribution (VD) to optimize therapeutic efficacy and minimize toxicity. The k value represents the rate at which the drug is removed from the body, and the VD reflects the degree to which the drug distributes into body tissues. Accurately estimating these parameters allows healthcare professionals to tailor drug dosing to individual...
248
Equation of Motion: General Plane motion
583
In the context of a rigid body's movement within a general plane, it is important to understand that this motion is typically triggered by external forces or couple moments exerted onto it. This principle can be explained through Newton's second law, which stipulates the translational motion of the body's center of mass along each axis.
Moreover, the body's center of mass experiences a rotational effect as a result of these couple moments. This rotation can be articulated as the...
Moreover, the body's center of mass experiences a rotational effect as a result of these couple moments. This rotation can be articulated as the...
583
