Title :
Exploration of Deadbeat Control for DC-DC Converters as Hybrid Systems
Author :
Mossoba, J.T. ; Krein, P.T.
Author_Institution :
Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL
Abstract :
The concept of large signal controllability for switched electrical networks is reviewed for DC-DC converters. Small signal models and controllers are limited by assumptions of fixed operating point. Hybrid system representations allow use of geometric control methods including sliding mode and boundary based switching controls. The comparison of geometric control response with small signal response shows a fundamental difference: only geometric methods are capable of deadbeat (finite time duration) recovery to steady-state after a transient disturbance. However, these deadbeat geometric laws are only known for second order systems. The possibility of deadbeat control for higher order DC-DC converter systems is examined
Keywords :
DC-DC power convertors; hybrid power systems; switching convertors; variable structure systems; DC-DC converters; deadbeat control; finite time duration; geometric control methods; geometric control response; hybrid systems; second order systems; small signal models; switched electrical network controllability; transient disturbance; Control systems; Controllability; DC-DC power converters; Differential equations; Nonlinear dynamical systems; Sliding mode control; Solid modeling; Steady-state; Switches; Switching converters;
Conference_Titel :
Power Electronics Specialists Conference, 2005. PESC '05. IEEE 36th
Conference_Location :
Recife
Print_ISBN :
0-7803-9033-4
DOI :
10.1109/PESC.2005.1581751
