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相关概念视频

BIBO stability of continuous and discrete -time systems01:24

BIBO stability of continuous and discrete -time systems

521
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....
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State Space Representation01:27

State Space Representation

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The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
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Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

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Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
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Propagation of Uncertainty from Systematic Error01:10

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The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
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State Space to Transfer Function01:21

State Space to Transfer Function

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The conversion of state-space representation to a transfer function is a fundamental process in system analysis. It provides a method for transitioning from a time-domain description to a frequency-domain representation, which is crucial for simplifying the analysis and design of control systems.
The transformation process begins with the state-space representation, characterized by the state equation and the output equation. These equations are typically represented as:
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An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
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基于事件的集成滑动模式共识控制,用于具有状态定量化的网络多代理系统.

Deyin Yao, Zhifei Zheng, Hongru Ren

    IEEE transactions on cybernetics
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    此摘要是机器生成的。

    本研究介绍了使用事件触发的集成滑动模式控制 (SMC) 带有量子化的网络多代理系统 (MAS) 的新控制器. 这种方法有效地管理有限的带宽,同时确保系统稳定性和共识.

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    科学领域:

    • 控制工程 控制工程 控制工程
    • 网络化系统 网络化系统
    • 多代理系统 多代理系统

    背景情况:

    • 网络多代理系统 (MAS) 面临带宽和干扰有限的挑战.
    • 传统的控制方法可能是通信密集型的,耗费网络资源.
    • 整体滑动模式控制 (SMC) 对于干扰排斥是有效的,但需要在网络设置中有效实施.

    研究的目的:

    • 为MAS设计基于量子化的事件触发的集成滑动模式控制器.
    • 为了解决MAS中的干扰和有限的网络带宽问题.
    • 在联网的MAS中确保非对称平均共识.

    主要方法:

    • 一个整体滑动分流体 (ISM) 的设计,以处理干扰.
    • 开发一个事件触发机制 (ETM) 具有指数的衰变速率,以节约资源.
    • 整合了一种统一的量子计,以减少数据传输负载.
    • 使用触发状态信号构建量子化ISM.
    • 开发一个由事件触发的集成滑动模式控制器,采用量子化技术.

    主要成果:

    • 拟议的控制器确保了网络MAS的非对称平均共识.
    • 事件触发机制 (ETM) 通过确保网络代理的下一个正极限来证明可行性,防止Zeno行为.
    • 模拟示例证实了基于量子化反事件触发的SMC方法的有效性.

    结论:

    • 开发的控制器通过量子化和事件触发有效地管理MAS中的有限网络带宽.
    • 该方法保证了系统的稳定性,并实现了平均共识.
    • 该方法在实际的网络控制场景中得到了有效的验证.