Page 12 - Modern Control of DC-Based Power Systems
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List of Figures xi
Figure 5.19 Current I&I cascaded Ideal CPL Step 10.3 - 17.8 MW 143
Figure 5.20 ISPS V bus I&I for ideal CPL Step 30.9 - 53.4 MW 143
Figure 5.21 ISPS I L1=L2=L3 I&I for ideal CPL and 30.9 - 53.4 MW 144
Figure 5.22 Decoupled Shipboard Power System 145
Figure 5.23 Decentralized model including the virtual disturbance 149
Figure 5.24 LQG controller structure using an augmented Kalman filter 151
and a LQR with set-point trajectory generation
Figure 5.25 Multiconverter system with main bus 152
Figure 5.26 Decentralized model 152
Figure 5.27 Decentralized model including the virtual disturbance 153
Figure 5.28 LQG controller with two degree of freedom structure 153
Figure 5.29 Illustration of the set-point generation 153
Figure 5.30 Final structure of the observer-based controller 158
Figure 5.31 Centralized LQG controller with set-point trajectory 159
Figure 5.32 Voltage virtual distribution LQG cascaded Ideal 160
CPL Step 10.3 - 17.8 MW
Figure 5.33 Current virtual distribution LQG cascaded Ideal 160
CPL Step 10.3 - 17.8 MW
Figure 5.34 ISPS V bus virtual distribution LQG for ideal 161
CPL Step 30.9 - 53.4 MW
Figure 5.35 ISPS I L1=L2=L3 virtual distribution LQG for ideal CPL 161
and 30.9 - 53.4 MW
Figure 5.36 Lyapunov stability 164
Figure 5.37 Asymptotic stability 164
Figure 5.38 Graphical representation of system model (5.148) 167
Figure 5.39 Graphical representation of new system including 168
the control function α
Figure 5.40 Control function α shifted in front of the integrator 169
Figure 5.41 Structure of Backstepping controller with a Kalman filter 170
for disturbance estimation
171
Figure 5.42 Decentralized model with disturbance current I d
Figure 5.43 Voltage virtual distribution BS cascaded Ideal 174
CPL Step 10.3 - 17.8 MW
Figure 5.44 Current virtual distribution BS cascaded Ideal 175
CPL Step 10.3 - 17.8 MW
Figure 5.45 ISPS V bus virtual distribution BS for ideal 175
CPL Step 30.9 - 53.4 MW
Figure 5.46 ISPS I L1=L2=L3 virtual distribution BS for ideal 176
CPL and 30.9 - 53.4 MW
Figure 5.47 Overview of the Adaptive Backstepping with Power 180
Estimation scheme
Figure 5.48 Averaged converter model with disturbance power 180
Figure 5.49 Voltage AdaptBS cascaded Ideal CPL Step 10.3 - 185
17.8 MW
Figure 5.50 Current AdaptBS cascaded Ideal CPL Step 10.3 - 185
17.8 MW