Large-signal modelling and control in bidirectional switching converters

The large-signal control problem in bidirectional switching converters is analyzed. After modeling a bidirectional Cuk converter as a bilinear system, the integration of converter state equations and the subsequent introduction of a linear recurrence between the output variable and an external refer...

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Bibliographic Details
Main Authors: Martinez, L., Majo, J., Poveda, A., Garcia de Vicuna, L., Guinjoan, F., Sanchez, A.F., Marpinard, J.C., Valentin, M.
Format: Conference Proceeding
Language:English
Subjects:
Control systems
Difference equations
Nonlinear equations
Nonlinear systems
Pulse amplifiers
Pulse width modulation converters
Regulators
Switches
Switching converters
Telecommunication control
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Summary:The large-signal control problem in bidirectional switching converters is analyzed. After modeling a bidirectional Cuk converter as a bilinear system, the integration of converter state equations and the subsequent introduction of a linear recurrence between the output variable and an external reference signal leads to a nonlinear control law which is implemented by means of one analog divider, standard operational amplifiers and a pulse-width modulator. As a result, the output variable proportionally follows the reference signal. This allows the availability of different types of power waveforms in the converter output.< >
DOI:10.1109/ISCAS.1991.176548