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Adaptive Averaged Model Applied to PWM DC-DC Converters
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| Author(s) |
Carles Jaen, Rafael Pindado, Josep Pou, Antoni Arias, Vicenc Sala |
| Abstract |
An adaptive model applied to PWM DC-DC
converters is presented in this paper. Parasitic resistors have
been considered in the converter. The coefficients of the
state-space matrices, which depend on the parameters of the
circuit, are calculated on-line. In the proposed method, the
state vector variables should be sampled in real time, and
the coefficients of state-space matrices are estimated by
means of a simple matrix calculation. The values of the
components of the averaged circuit can also be calculated
from the matrix coefficients. Therefore, the changes in the
values of the parameters of the circuit are quickly updated
in the averaged model. As a result, robust control strategies
can be implemented by using these models.
In this paper, the method is applied to a boost converter.
Some simulation results are included in this work to validate
the procedure. The estimated matrix coefficients match very
well the expected values. |
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| Filename: | T2-126.pdf |
| Filesize: | 211.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-12 by System |
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