Statistics – Applications
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.294..403h&link_type=abstract
In ESA, European Space Power, Volume 1 p 403-408 (SEE N90-17678 10-20)
Statistics
Applications
Control Systems Design, Modulation Transfer Function, Power Conditioning, Power Converters, Voltage Converters (Dc To Dc), Electronic Control, Feedback Control, High Frequencies, Systems Analysis
Scientific paper
A system for dc-dc power conversion based on a buck-boost converter topology is presented. It makes power flow in both directions possible. The possibility of bidirectional power flow is useful for certain applications, such as uninterruptable power supplies. Starting from a structural diagram the transfer function of the system is derived. The controller for the converter is then designed. It is made up of a simple voltage controller, a voltage controller with an inner loop current controller (cascade control) and with two kinds of state space control. The transfer functions of the different system parts are derived and dimensioning guidelines for the controller sections are presented. The closed loop behavior of the bidirectional converter for the different control structures is analyzed based on simulation using duty cycle averaging. Bodediagrams and step responses are shown.
Himmelstoss Felix A.
Kolar Johann W.
Zach Franz C.
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