第一个/第二个顺序的预定义时间融合ZNN模型用于时间变化的二次编程和机器人操纵器应用程序
Hongsong Wen1, Youran Qu1, Xing He1
1Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, College of Electronic and Information Engineering, Southwest University, 400715, China.
ISA transactions
|December 21, 2023
概括
两个新的零神经网络 (ZNN) 模型,FPTZNN和SPTZNN,实现了预定义的时间融合,用于时间变化的二次编程. 这些模型为优化任务提供了增强的性能和可调节的融合时间.
科学领域:
- 计算神经科学是一种神经科学.
- 优化理论 优化理论
- 控制系统工程 控制系统工程
背景情况:
- 归零神经网络 (ZNN) 模型对于计算和优化至关重要.
- 现有的ZNN模型往往缺乏动态问题的预定义时间融合.
- 时间变化的二次编程 (TVQP) 提出了重要的计算挑战.
研究的目的:
- 提出两个新的 ZNN 模型来解决 TVQP 预定义时间收问题的问题.
- 增强传统ZNN模型的功能,以实现动态优化.
- 为了证明对收时间的灵活控制.
主要方法:
- 开发一级预定义时间收ZNN (FPTZNN) 模型.
- 扩展到第二级预定义时间合的ZNN (SPTZNN) 模型.
- 利亚普诺夫稳定理论和预定义时间稳定概念的应用.
主要成果:
- 无论是FPTZNN还是SPTZNN模型,都显示了TVQP的预定义时间收.
- 收时间可以通过预定义的时间控制参数进行调节.
- 与现有的ZNN模型相比,模拟实验证实了优越的性能.
结论:
- 拟议的FPTZNN和SPTZNN模型有效地解决了TVQP问题.
- 这些模型比传统的ZNNs提供了更快,更可预测的融合.
- 通过在机器人运动规划中成功应用,FPTZNN模型的实用性得到了验证.
相关概念视频
Linear Approximation in Time Domain
83
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
83
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
56
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
56
Linear time-invariant Systems
262
A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
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...
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...
262
Second Order systems I
161
A servo system exemplifies a second-order system, featuring a proportional controller and load elements that ensure the output position aligns with the input position. The relationship between these components is described by a second-order differential equation. Applying the Laplace transform under zero initial conditions yields the transfer function, showing how inputs are converted to outputs in the system.
By reinterpreting the system, one can derive the closed-loop transfer function, which...
By reinterpreting the system, one can derive the closed-loop transfer function, which...
161
Difference Equation Solution using z-Transform
296
The z-transform is a powerful tool for analyzing practical discrete-time systems, often represented by linear difference equations. Solving a higher-order difference equation requires knowledge of the input signal and the initial conditions up to one term less than the order of the equation.
The z-transform facilitates handling delayed signals by shifting the signal in the z-domain, which corresponds to delaying the signal in the time domain, and advancing signals by similarly shifting in the...
The z-transform facilitates handling delayed signals by shifting the signal in the z-domain, which corresponds to delaying the signal in the time domain, and advancing signals by similarly shifting in the...
296
First Order Systems
93
First-order systems, such as RC circuits, are foundational in understanding dynamic systems due to their straightforward input-output relationship. Analyzing their responses to different input functions under zero initial conditions reveals significant insights into system behavior.
When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...
When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...
93


