复杂的动态系统的分散的数字双胞胎.
Omer San1,2, Suraj Pawar3, Adil Rasheed4,5
1School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK, 74078, USA. osan@utk.edu.
Scientific reports
|November 17, 2023
概括
本研究介绍了一个去中心化的数字双胞胎 (DDT) 框架,使用联合学习来进行协作模型构建,而无需共享原始数据. 这种方法可以为复杂的系统提供准确的DDT,从而推进计算科学.
科学领域:
- 计算科学与工程 计算科学与工程
- 机器学习 机器学习
- 数字双胞胎是一个数字双胞胎.
背景情况:
- 数字双胞胎对于模拟复杂系统至关重要.
- 现有的方法往往需要集中数据,这带来隐私和后勤挑战.
- 联合学习为分布式模型培训提供了一种保护隐私的替代方案.
研究的目的:
- 引入一个新的去中心化数字双胞胎 (DDT) 建模框架.
- 展示框架在计算科学和工程中的适用性.
- 展示联合学习在创建准确的DDT方面的潜力.
主要方法:
- 根据联合学习原则开发了一个DDT建模框架.
- 利用联合学习,使客户之间的合作模式学习成为可能.
- 确保客户特定的培训数据在学习过程中保持私密.
主要成果:
- 通过使用各种动态系统,成功证明了DDT框架的可行性.
- 展示了框架在模拟时空系统中复杂的运输过程中的有效性.
- 验证了在非线性时空系统中高精度DDT构造的潜力.
结论:
- 联合学习是构建高度准确的去中心化数字双胞胎的可行方法.
- 拟议的DDT框架为复杂系统建模提供了一个可扩展和保护隐私的解决方案.
- 这种方法对计算科学和工程的应用有很大的潜力.
相关概念视频
One-Degree-of-Freedom System
491
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
491
BIBO stability of continuous and discrete -time systems
401
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....
401
Multi-input and Multi-variable systems
108
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...
In the absence...
108
Classification of Systems-II
149
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,
149
Cyclic Processes And Isolated Systems
2.8K
A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state.
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state.
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
2.8K
Thermodynamic Systems
5.1K
A thermodynamic system is a set of objects whose thermodynamic properties are of interest. The system is considered to be embedded in its surroundings or the environment. The system and its environment can exchange heat and do work on each other through a boundary that separates them. However, the immediate surroundings of the system interact with it directly and therefore have a much stronger influence on its behavior and properties.
Consider an example of tea boiling in a kettle. The...
Consider an example of tea boiling in a kettle. The...
5.1K


