相关实验视频

Updated: Jun 24, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Published on: October 28, 2022

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基于由减少顺序和全顺序扩展状态观察者组成的级联估计器的主动干扰拒绝控制

Harvey David Rojas1, John Cortés-Romero2, Herbert Enrique Rojas3

  • 1GISE3 Research Group, Department of Electrical Engineering, Universidad Distrital Francisco José de Caldas, Cra. 8 # 40-62, Floor 8th - GISE3 Lab, Bogotá, Colombia; Department of Electrical and Electronic Engineering, Universidad Nacional de Colombia, Av. Cra. 30 # 45-03, Bogotá, Colombia.

ISA transactions
|June 2, 2024
PubMed
概括

一个新的级联估计器CRESO通过平衡精度和噪声来改善主动干扰排斥控制 (ADRC). 这种先进的观察器可以提高系统对干扰和不确定性的性能.

关键词:
活动干扰排斥控制器级观测者是一个级观测者.扩展状态观察者观察者噪音过器可以过噪音.减少顺序观察员的观察员强度分析分析的强度分析

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Second Order systems II01:18

Second Order systems II

In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
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Second-order Op Amp Circuits01:19

Second-order Op Amp Circuits

Implementing second-order low-pass filters in audio systems is crucial in refining audio signals by eliminating undesirable high-frequency noise. These filters typically involve second-order op-amp circuits configured as voltage followers, encompassing two nodes with distinct storage elements.
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...
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State Space Representation01:27

State Space Representation

The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
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Cascaded Op Amps01:16

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In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
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Time-Domain Interpretation of PD Control

Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
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Controller Configurations

Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
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