通过新的延迟依赖LKF和积分不等式来分析延迟神经网络的稳定性
Fei Long1, Chuan-Ke Zhang2, Yanjun Shen3
1College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China; Hubei Provincial Key Laboratory for Operation and Control of Cascaded Hydropower Station, Yichang 443002, China; Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, China; Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, China.
这项研究引入了一种用于分析延迟神经网络稳定的新方法. 新的方法通过结合增强的利亚普诺夫函数和积分不等式来减少稳定性标准中的保守主义.
科学领域:
- 控制理论 控制理论
- 计算神经科学是一种神经科学.
- 系统工程 系统工程
背景情况:
- 延迟神经网络对于建模复杂系统至关重要,但也带来了稳定性分析的挑战.
- 现有的稳定性分析方法往往会导致保守主义,特别是有边界延迟衍生物.
- 利亚普诺夫-克拉索夫斯基函数 (LKFs) 的非凸性来自高度延迟项.
研究的目的:
- 为延迟神经网络开发一个不那么保守的稳定性标准.
- 解决因时间变化的延迟导致的增强LKF的非凸性问题.
- 增强使用延迟乘数状态变量和延迟导数信息.
主要方法:
- 引入增强的利亚普诺夫-克拉索夫斯基函数 (LKFs) 结合延迟乘法状态变量.
- 开发一种新的积分不等式,以自由矩阵为基础的零方程来提高灵活性.
- 使用辅助变量将非凸的延迟依赖项转换为凸的.
主要成果:
- 为延迟神经网络建立一个新的依赖延迟的稳定性标准.
- 与现有方法相比,减少了保守主义的表现.
- 通过三个说明性例子验证拟议方法的有效性.
结论:
- 提出的方法有效地提高了延迟神经网络的稳定性分析.
- 增强LKF和新型积分不平等的整合提供了更精确的稳定性评估.
- 这些发现有助于对具有时间延迟的动态系统进行可靠的设计和分析.
更多相关视频
11:18Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
Published on: March 2, 2015
06:45Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
Published on: October 28, 2022
相关概念视频
Linear Approximation in Frequency Domain
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
Stability
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
Linear Approximation in Time Domain
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
Linear time-invariant Systems
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...
BIBO stability of continuous and discrete -time systems
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....
Multimachine Stability
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
