Analytical method of bilinear control model for distributed wind power system

A technology of wind power system and control model, applied in general control system, adaptive control, control/regulation system, etc., can solve complex problems

Inactive Publication Date: 2017-09-26
SHANGHAI DIANJI UNIV
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  • Claims
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Problems solved by technology

Distributed parameter systems are usually described by partial differential equations, and their bilinear control problems often involve theories such as differential operator operations or integral operator operations, which are much more complicated than the bilinear control problems of lumped parameter systems
There is currently no effective way to solve this problem

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  • Analytical method of bilinear control model for distributed wind power system
  • Analytical method of bilinear control model for distributed wind power system
  • Analytical method of bilinear control model for distributed wind power system

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Embodiment Construction

[0030] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be described in detail below with reference to specific embodiments and drawings.

[0031] The invention adopts a simpler and more practical nonlinear dynamic model, that is, a bilinear system model. Most processes can be processed by the method of "double linearization" of the nonlinear system, which is much better than the linearization method.

[0032] Bilinear systems are a class of nonlinear systems closest to linear systems. Some industrial processes can naturally be described by bilinear systems, which are mainly concentrated in many objects in the processes of industrial production, ecology, biology, social economy, etc., and can be described in a larger field of steady-state operating points. Dynamic characteristics of a class of severely nonlinear systems. The bilinear system has a simple structure, is convenient for mathematical proce...

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Abstract

The invention provides a bilinear control model analysis method for a distributed wind power system. The invention provides a solution to the bilinear control problem of a distributed wind power system based on wavelet transform. This method avoids the tediousness and difficulty of directly solving the analytical solution of the bilinear distributed parameter system described by the partial differential equation, and simplifies the process of control design of the bilinear distributed parameter system. The algorithm is simple, the amount of calculation is small, and the control effect is good. It proposes a new solution for the control of bilinear distributed parameter systems.

Description

Technical field [0001] The present invention relates to the design field of control theory and methods in the field of control theory and control engineering. More specifically, the present invention relates to a bilinear control model analysis method for distributed wind power systems. Background technique [0002] Most of the distributed wind power systems are non-linear systems or even serious non-linear systems. At the same time, a system with distributed parameter characteristics is a nonlinear distributed parameter system. Distributed parameter systems are usually described by partial differential equations. In order to ensure the accuracy of the model, the dynamic model of this type of system is often quite complex. For application convenience, linearization is often used; however, linearization cannot adapt to a larger range of input changes. At this time, different parameters are often used in different areas, but this brings some complexity. [0003] Since the state s...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
Inventor 高桂革
Owner SHANGHAI DIANJI UNIV
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