Adaptive fuzzy dynamic surface control method for time-delay interconnected large-scale system

A technology of correlated large-scale system and adaptive fuzzy, applied in the field of nonlinear time-delay large-scale system, which can solve the problem of not considering the influence of time-delay system stability.

Inactive Publication Date: 2015-09-16
ANYANG NORMAL UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

In the prior art, the control problems of the unipolar double inverted pendulum system and the interconnected double inverted pendulum system with time dela

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  • Adaptive fuzzy dynamic surface control method for time-delay interconnected large-scale system
  • Adaptive fuzzy dynamic surface control method for time-delay interconnected large-scale system
  • Adaptive fuzzy dynamic surface control method for time-delay interconnected large-scale system

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Embodiment

[0101] Due to its nonlinear, underactuated, and naturally unstable characteristics, the inverted pendulum has always been an ideal experimental device in the field of control, and is usually used to test the effectiveness of a new control method. This paper considers the model of interconnected double inverted pendulum with time delay. The mathematical model of this double inverted pendulum can be established as follows:

[0102] Σ 1 : x · 1,1 = x 1,2 x · 1,2 = 1 J ...

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Abstract

The invention discloses an adaptive fuzzy dynamic surface control method for a time-delay interconnected large-scale system. According to the invention, a fuzzy logic system is used to approximate an unknown time-delay function in the system, and reference signals are used to replace unknown time-delay signals in input of an approximator. The adaptive fuzzy dynamic surface control method provided by the invention for the time-delay interconnected large-scale system can process completely unknown time-varying time delay in system output, can ensure all signals in the system to be semi-global uniformly bounded, and can enable the tracking error to be converged within a small neighborhood comprising an original point.

Description

technical field [0001] The invention belongs to the field of nonlinear time-delay large systems, in particular to an adaptive fuzzy dynamic surface control method for time-delay correlated large systems. Background technique [0002] The decentralized control method for correlated large-scale systems has the advantages of simple design, strong reliability, and easy realization of real-time control. received widespread attention. Fang Sichen, Nasir and others discussed the decentralized control of nonlinear large-scale systems, but they did not consider the delay of signal transmission between subsystems. Due to the characteristics of the inverted pendulum such as nonlinearity, underactuation, and natural instability, the control of the inverted pendulum involves the key technology of dealing with complex objects in control science. Therefore, the inverted pendulum is often used to test whether the new control method has a strong The ability to handle nonlinear, multivariab...

Claims

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Application Information

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IPC IPC(8): G05B13/04
Inventor 郭涛宋妍熊晶李娜崔金玲
Owner ANYANG NORMAL UNIV
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