In this chapter we will extract a linear time invariant (LTI) model for DC-DC converters. DC-DC converters are nonlinear dynamic systems. So an LTI model is only an approximation for it. Although the obtained model is an approximation, it is well enough to start the controller design process.
This chapter introduces state space averaging (SSA), which is one of the most important tools to model DC-DC converters that operate in Continuous Current Mode (CCM) . You ...
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