专注于网络和系统动态的破坏
Peng Ji1,2,3, Jan Nagler4,5, Matjaž Perc6,7,8,9
1Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai 200433, China.
Chaos (Woodbury, N.Y.)
|August 30, 2024
概括
网络中断,从电网到社会系统,可以导致级联故障. 这项研究探讨了网络动态在使用数据分析和模拟在各种系统中中断.
科学领域:
- 复杂系统科学 复杂系统科学
- 网络科学 网络科学
- 动态系统理论 动态系统理论
背景情况:
- 网络对于系统的可操作性至关重要,但容易受到中断的影响.
- 删除节点或边缘可以导致不可预测的集体行为和级联失败.
研究的目的:
- 探索了解网络中断及其对系统动态的影响的最新进展.
- 从数据驱动和建模的角度研究网络动态.
主要方法:
- 数据驱动的分析和数学建模.
- 控制理论,扩散过程,随机过程和网络理论的应用.
- 跨多种经验系统的研究,包括基础设施,社会和生物网络.
主要成果:
- 分析核反应网络,基础设施,社交网络,流行病,大脑动态和生理学的中断.
- 描述集体行为,如关键相位过渡,不规则的动态,同步/异步,幻象状态和异常振荡.
结论:
- 了解网络中断对于预测和减轻系统故障至关重要.
- 这项工作综合了网络中断的各种方法,推动了该领域的发展.
更多相关视频
08:28Assessment of the Effects of Endocrine Disrupting Compounds on the Development of Vertebrate Neural Network Function Using Multi-electrode Arrays
Published on: April 26, 2018
5.9K
06:04Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
Published on: February 14, 2025
261
相关概念视频
Ecological Disturbance
17.0K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
17.0K
Multimachine Stability
150
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
150
Distribution Reliability and Automation
107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
BIBO stability of continuous and discrete -time systems
372
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....
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....
372
Classification of Systems-I
177
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
177
Classification of Systems-II
137
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
137
