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相关概念视频

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...
106
BIBO stability of continuous and discrete -time systems01:24

BIBO stability of continuous and discrete -time systems

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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....
395
Propagation of Uncertainty from Systematic Error01:10

Propagation of Uncertainty from Systematic Error

518
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...
518
Root Loci for Positive-Feedback Systems01:23

Root Loci for Positive-Feedback Systems

120
The Hartley oscillator is a positive feedback system that sustains oscillations by feeding the output back to the input in phase, thereby reinforcing the signal. Positive feedback systems can be viewed as negative feedback systems with inverted feedback signals. In these systems, the root locus encompasses all points on the s-plane where the angle of the system transfer function equals 360 degrees.
The construction rules for the root locus in positive feedback systems are similar to those in...
120
Feedback control systems01:26

Feedback control systems

308
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...
308
Second Order systems II01:18

Second Order systems II

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In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
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分布输出-反对象共识跟踪对于具有量子化输入的高阶多代理系统.

Ye Liu, Donggang Chu, Yuanyuan Li

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    |February 29, 2024
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    概括
    此摘要是机器生成的。

    本研究提出了一个新的控制策略,用于不确定的多代理系统. 该方法实现共识跟踪,尽管未测量状态,未知参数和输入量化,确保稳定性和性能.

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    科学领域:

    • 控制系统工程 控制系统工程
    • 网络化系统 网络化系统
    • 非线性控制理论 不线性控制理论

    背景情况:

    • 多代理系统 (MAS) 面临的挑战是不确定性,未测量状态和输入量化.
    • 在这样的系统中实现共识跟踪需要强有力的控制策略.
    • 现有的方法经常与联合的非线性和参数不确定性作斗争.

    研究的目的:

    • 为不确定的高阶MAS开发一个分布式自适应的非对称共识跟踪控制方案.
    • 为应对未测量状态依赖非线性,未知参数和输入量化所带来的挑战.
    • 引入一种新的方法来预定义共识错误的短暂性能.

    主要方法:

    • 使用改进的K过器,具有动态增益,用于状态估计和处理非线性.
    • 提出一种复制性控制策略,包括一级动态参数过器.
    • 引入一个漏斗变量与预先指定的时间性能函数相结合.

    主要成果:

    • 拟议的K过器有效地估计未知状态并管理非线性.
    • 递归控制策略抵消了过错误,使得共识跟踪错误不对称地达到零.
    • 新的漏斗变量允许预定义过渡时间,并超越共识错误.

    结论:

    • 开发的输出反控制方案为不确定的高阶MAS提供了强大的解决方案.
    • 该方法展示了低设计复杂性,同时实现了非对称的共识跟踪.
    • 模拟结果验证了拟议的控制策略的有效性和优越性.