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相关概念视频

Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

348
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...
348
Linear time-invariant Systems01:23

Linear time-invariant Systems

841
A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
The input-output behavior of an LTI system can be fully defined by its response to an impulsive excitation at its input. Once this impulse response is known, the system's reaction to any other input can be...
841
Feedback control systems01:26

Feedback control systems

657
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...
657
Drug Concentration Versus Time Correlation01:15

Drug Concentration Versus Time Correlation

1.9K
The plasma drug concentration-time curve is a crucial tool in pharmacokinetics, representing the drug's concentration in plasma at different time intervals post-administration. This curve illustrates the drug's journey from absorption into the systemic circulation, distribution to body tissues, and eventual elimination through excretion or biotransformation.
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the...
1.9K
BIBO stability of continuous and discrete -time systems01:24

BIBO stability of continuous and discrete -time systems

869
System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
869
Control System Problem01:21

Control System Problem

378
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
378

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相关实验视频

Updated: Jan 8, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

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在DoS攻击下对非线性时间延迟多代理系统进行规定的时间共识控制.

Shuhan Zhang1, Xiuxia Yin1, Zhiwei Gao2

  • 1Department of Mathematics, School of Mathematics and Computer Sciences, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China.

ISA transactions
|December 18, 2025
PubMed
概括

这项研究确保多代理系统在设定的时间内达成共识,即使有通信延迟和拒绝服务 (DoS) 攻击. 一个新的控制协议和观察员确保安全和及时的国家信息交换.

关键词:
沟通延迟 沟通延迟 沟通延迟美国国防部的攻击是DoS攻击.多代理系统多代理系统规定的时间共识共识.

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A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

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相关实验视频

Last Updated: Jan 8, 2026

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Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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科学领域:

  • 控制理论 控制理论
  • 网络化系统 网络化系统
  • 网络安全 网络安全

背景情况:

  • 多代理系统面临的挑战包括通信延迟和拒绝服务 (DoS) 攻击.
  • 在有限或规定的时间内达成共识对于协调的系统行为至关重要.

研究的目的:

  • 在多代理系统中开发一个控制协议,以确保在规定的时间内达成共识.
  • 解决时间变化的通信延迟和一般的DoS攻击.
  • 确保在代理人之间及时传播国家信息.

主要方法:

  • 一个新的控制协议,包括完整的行动和时间变化的延迟.
  • 阿尔茨泰因的减小转换用于处理时间变化的延迟.
  • 利亚普诺夫稳定理论和分析的比较原则.

主要成果:

  • 在DoS攻击和延迟的情况下,获得了足够的共识融合标准.
  • 分布式观察员保证追随者在规定的时间内获得领导者状态.
  • 提出的方法确保了安全和强大的规定的时间共识.

结论:

  • 开发的控制策略和观察者有效地在规定的时间内达成安全的共识.
  • 这些发现通过数值模拟得到验证,证明了稳定性.
  • 这项研究有助于在网络系统中实现安全和高效的协调.