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Method for analyzing bilinear control model of distributed wind power system

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

Inactive Publication Date: 2014-06-04
SHANGHAI DIANJI UNIV
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  • Abstract
  • Description
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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

Method used

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  • Method for analyzing bilinear control model of distributed wind power system
  • Method for analyzing bilinear control model of distributed wind power system
  • Method for analyzing bilinear control model of 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 in conjunction with specific embodiments and accompanying drawings.

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

[0032] Bilinear systems are a class of nonlinear systems that are closest to linear systems. Some industrial processes themselves can be naturally described by bilinear systems, mainly focusing on many objects in industrial production, ecology, biology, socio-economic processes, etc., and can describe a large range of steady-state operating points within a large area The dynamic characteristics of a class of severely nonlinear systems. The bilinear system has a simple structure, is convenient for mathematica...

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Abstract

The invention provides a method for analyzing a bilinear control model of a distributed wind power system and a solution to the bilinear control problem of the distributed wind power system based on wavelet transformation. By means of the method, tediousness and difficulty in the direct analytical solution process of a bilinear distributed parameter system described through a partial differential equation are avoided, and the control design process of the bilinear distributed parameter system is simplified; the algorithm is simple, the calculated amount is small, the control effect is good, and a new solution to control of the bilinear distributed parameter system is put forward.

Description

technical field [0001] The present invention relates to the design field of control theory and method 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 system. Background technique [0002] Most of the distributed wind power systems are nonlinear systems, even serious nonlinear systems. A system with distributed parameter properties 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 complicated. For the convenience of application, the method of linearization is often used; however, linearization cannot adapt to a large range of input changes. At this time, different parameters are often used in different regions, but this brings a certain degree of complexity. [0003...

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Application Information

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IPC IPC(8): G05B13/04
Inventor 高桂革
Owner SHANGHAI DIANJI UNIV
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