通过定量反理论对不确定多变量系统的活性干扰排斥控制的设计和参数调整
Yun Cheng1, Yunlei Fan1, Pengcheng Zhang2
1School of Electrical Engineering, Nantong University, Nantong 226019, China.
ISA transactions
|July 13, 2023
概括
本研究引入了一种新型的参数调节方法,用于多输入多输出 (MIMO) 系统中的主动干扰排斥控制 (ADRC). 该方法利用多变量定量反理论 (QFT) 来提高复杂工业过程中的性能和稳定性.
科学领域:
- 控制系统工程 控制系统工程
- 化学过程控制 化学过程控制
- 强大的控制理论.
背景情况:
- 主动干扰拒绝控制 (ADRC) 对不确定的系统有效.
- 多输入多输出 (MIMO) 系统由于相互依赖性而存在重大控制挑战.
- 现有的ADRC调整方法可能缺乏稳定性或需要大量的手动调整.
研究的目的:
- 为MIMO不确定的系统中ADRC提出一个系统的参数调整方法.
- 为了提高ADRC控制器的性能和稳定性.
- 为分析不同ADRC结构提供统一的框架.
主要方法:
- 引入去中心化的ADRC (DADRC),动态解ADRC (DD-ADRC) 和反向解ADRC (ID-ADRC).
- 将控制方案统一转换为两个自由度 (2DOF) 的等效结构.
- 应用多变量定量反理论 (QFT) 进行参数调整,包括对合效应和强大的稳定性分析重新制定规格.
主要成果:
- 介绍了一种基于QFT的新型参数调方法,用于MIMO系统中的ADRC.
- 提出的方法有效地解决了合效应,并确保了强大的闭环稳定性.
- 在热集成蒸柱 (HIDiC) 上的模拟表明了调方法的有效性.
结论:
- 提出的基于QFT的参数调方法显著提高了MIMO不确定系统中的ADRC性能.
- 该方法提供了一种系统的方式来调整ADRC参数,减少保守主义并确保稳定性.
- 对不同ADRC计划 (DADRC,DD-ADRC,ID-ADRC) 的分析强调了在拟议的调整框架内各自的优势.
更多相关视频
08:18WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
Published on: August 15, 2020
5.0K
09:01Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques
Published on: April 4, 2017
8.7K
相关概念视频
Feedback control systems
349
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
349
Time-Domain Interpretation of PD Control
143
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...
Consider the example of control of motor torque. Initially, a positive...
143
Control Systems
1.2K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.2K
PD Controller: Design
288
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
288
Controller Configurations
126
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.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
126
Effects of feedback
608
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
608
