分数顺序快速终端滑动模式控制方案用于跟踪控制机器人操纵器的跟踪控制
Km Shelly Chaudhary1, Naveen Kumar2
1Department of Mathematics, National Institute of Technology Kurukshetra, Kurukshetra 136119, Haryana, India.
ISA transactions
|August 21, 2023
概括
这项研究引入了一个新的分数顺序快速终端滑动模式控制机器人操纵器. 它确保了快速的,有限的时间轨迹跟踪,尽管不确定性和干扰.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 应用数学 应用数学 应用数学
背景情况:
- 机器人操纵者因不确定性和外部干扰而面临轨迹跟踪挑战.
- 现有的控制策略往往难以实现有限时间的融合和稳定性.
研究的目的:
- 为机器人操纵器开发一种新的分数顺序快速终端滑动模式控制 (FO-FT-SMC) 策略.
- 为了实现快速的有限时间收,并提高在不确定性下轨迹跟踪的准确性.
主要方法:
- 提出了一种新的分数顺序快速终端滑动表面,用于有限时间的融合.
- 开发了一个FO-FT-SMC方案,包含一个辐射基函数神经网络 (RBFNN) 来实时近似机器人动态.
- 使用自适应补偿器来处理RBFNN重建错误和干扰界限.
- 使用Lyapunov稳定性分析来验证控制策略.
主要成果:
- 拟议的FO-FT-SMC方案证明了控制器效率的提高.
- 在有限时间内实现了非对称错误的融合,在模拟中表现优于现有的方法.
- 成功管理不确定性,喋喋不休,和奇点.
结论:
- 新的FO-FT-SMC策略为机器人操纵器轨迹跟踪提供了有效的解决方案.
- 整合RBFNN和自适应补偿可以提高稳定性和性能.
- 该方法确保了稳定性和有限时间的融合,在控制理论中取得了重大进展.
相关概念视频
Controller Configurations
119
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...
119
PD Controller: Design
278
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,...
278
Time-Domain Interpretation of PD Control
140
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...
140
One-Degree-of-Freedom System
517
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
517
Relative Motion Analysis - Acceleration
378
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
378
Torque Free Motion
516
The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...
516


