概括
本研究介绍了非线性系统的事件触发非单元终端滑动模式控制 (TSMC). 动态方法可以减少控制事件,同时确保系统的稳定性和性能,避免Zeno行为.
科学领域:
- 控制系统工程 控制系统工程
- 非线性动力学是一种非线性动力学.
- 机器人技术 机器人技术 机器人技术
背景情况:
- 滑动模式控制 (SMC) 对于非线性系统是有效的,但可能是通信密集的.
- 事件触发控制策略旨在通过在必要时更新控制器来减少通信负载.
- 与传统的SMC相比,非单元终端滑动模式控制 (TSMC) 提供了更快的融合和有限时间稳定性.
研究的目的:
- 为非线性系统开发和分析事件触发的非单元终端滑动模式控制 (TSMC).
- 为了比较TSMC中静态和动态事件触发机制的性能.
- 确保在拟议的控制策略中确保Zeno行为的稳定性和缺失.
主要方法:
- 为TSMC实施静态事件触发机制.
- 开发一个动态事件触发机制,利用TSMC的内部系统变量.
- 数学分析以证明对准滑动模式带和稳定状态边界的收.
- 验证静态和动态事件触发系统中没有Zeno行为.
主要成果:
- 静态事件触发的TSMC确保滑动变量达到准滑动模式带,状态汇聚到平衡区域.
- 与静态方法相比,动态事件触发的TSMC减少了控制更新的数量.
- 这两种方法对准滑动模式和稳定状态保持相同的上限.
- 模拟结果证实了提议的事件触发TSMC策略的有效性.
结论:
- 事件触发的TSMC是有效控制非线性系统的可行方法.
- 动态事件触发在减少通信负载方面比静态方法具有优势.
- 建议的控制策略是强大的,没有Zeno行为,证明了实际适用性.
相关概念视频
Time-Domain Interpretation of PD Control
75
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...
75
MOSFET: Enhancement Mode
248
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
248
Switching of BJT
348
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
348
Transient and Steady-state Response
126
In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
126
Phase-lead and Phase-lag Controllers
144
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
144
Clamper Circuit
335
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
335


