对于具有受限制输入的机械系统,具有非利普希茨控制的非利普希茨控制操作的比例整体衍生型调节方案
Arturo Zavala-Río1, Mariana Barrera-Velázquez1, Tonametl Sanchez1
1Control and Dynamical Systems Division, San Luis Potosi Institute of Scientific and Technological Research, Camino a la Presa San José 2055, Lomas 4a. Sección, San Luis Potosi, 78216, SLP, Mexico.
ISA transactions
|September 1, 2024
概括
这项研究引入了一种新的比例-积分-导数 (PID) 对机械系统的控制,增强了有限时间连续控制. 新方法减少了超越和控制的努力,以提高系统性能.
科学领域:
- 控制系统工程 控制系统工程
- 机械系统动力学 机械系统动力学
- 非线性控制理论 不线性控制理论
背景情况:
- 有限时间连续控制提供了性能优势.
- 现有的方法可能无法完全解决受约束输入机械系统.
- PID控制器被广泛使用,但可用于特定应用程序进行改进.
研究的目的:
- 为制约输入机械系统的全球调节设计一个PID控制方案.
- 将有限时间的连续控制功能纳入PID结构.
- 分析拟议的控制方案的稳定性和性能.
主要方法:
- 开发了一个通用的 PID 控制结构,在 P 和 D 项上使用指数权重.
- 引入了一个新的分析框架来支持设计.
- 进行了闭环稳定性分析.
- 在机械系统上进行实验验证.
主要成果:
- 提出的具有指数权重的PID控制器实现了有限时间的收性质.
- 证明了位置错误超越的减少.
- 显示了控制力度的下降.
- 实验结果证实了分析预测.
结论:
- 新的PID控制方案有效调节受限输入机械系统.
- 在PID控制器中的指数加权提高了性能,这是有限时间控制的特征.
- 该方法提供了一种改善系统监管和减少控制工作的实际方法.
相关概念视频
PD Controller: Design
202
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,...
202
PI Controller: Design
224
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
224
Time-Domain Interpretation of PD Control
85
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...
85
PID Controller
111
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
111
Linear Approximation in Time Domain
72
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
72
Time and frequency -Domain Interpretation of PI Control
113
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
113


