2:1 Converter Charge Vector Analysis
Dickson Charge Vector Analysis
Charge Vector Analysis in FSL
DISCRETE TIME MODELING
Converter Analysis
PWM(small ripple)
Resonant(AC link)
Switched CapacitorHybrid SwitchedCapacitor
QSW & QRConverters
Multilevel
Resonant SC
MMC Z source, matrix,others
Averaging(waveform, switch, state space Charge)
State Plane
SinusoidalAnalysis
Switched Circuits
Historical PerspectiveRobert D MiddlebrookPhD, Standford, 1955CalTech Professor, 1955 1998
Slobodan CúkPhD CalTech, 1976
CalTech Prof, 1977 1999
A. R. Brown and R. D. Middlebrook, “Sampled data Modeling of Switching Regulators” PESC 1981
Model a switched system as anaveraged, time invariant system with
where
Large Signal Modeling of SMPS: Averaging
Linear Circuit Modeling Using State Space
Switching Signals(t)
0
1
Converting to Linear System
Approximate Steady State Waveforms
Approximate Steady State Waveforms
Approximate Steady State Waveforms
The Averaging Approximation
The Averaged System
Buck State Space Averaging
Buck Averaged Model
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