动态分析和神经自适应的规定的时间控制的FO Memristive磁场电机变频器
IEEE transactions on cybernetics
|October 18, 2024
概括
本研究介绍了基于memristor的传感器的分数顺序模型和神经适应控制. 这种新的方法稳定了混乱的动态,尽管存在故障和不确定性,但确保了精确的跟踪.
科学领域:
- 电子机械系统 电子机械系统
- 非线性动力学是一种非线性动力学.
- 控制理论 控制理论
背景情况:
- 记忆电阻为先进的电子电路提供了独特的特性.
- 分数顺序动态对于模拟复杂介电材料至关重要.
- 在机电传感器中控制混乱系统是一项挑战.
研究的目的:
- 为基于memristor的磁场电机传感器开发一个分数顺序模型.
- 为混乱动态设计一个神经适应的规定的时间控制方案.
- 解决执行器故障和系统不确定性,同时确保精确的跟踪.
主要方法:
- 介电性质和磁流电荷关系的分数级建模.
- 使用分叉图和样本的动态分析.
- 神经适应控制包括延迟约束函数,类型-2模糊波纹神经网络 (FWNN) 和分数顺序跟踪差分器 (TD).
主要成果:
- 分数顺序模型准确地描述了系统动态.
- 拟议的控制方案有效地将混乱的振荡转化为有序的运动.
- 控制器确保所有闭环系统信号的边界性,并处理故障/不确定性.
结论:
- 开发的分数顺序模型和神经适应控制方案对基于memristor的电机传感器是有效的.
- 这种方法在各种条件下提供了强大而精确的跟踪控制.
- 模拟证实了该计划的有效性和稳定性.
相关概念视频
Muscle Stimulation Frequency
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
MOSFET Amplifiers
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
Time and frequency -Domain Interpretation of Phase-lead Control
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
Generator Voltage Control
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand, use...
Turbine-Governor Control
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
Load-frequency control
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...


