Page 305 - Modern Control of DC-Based Power Systems

264 Index

K Linearizing State Feedback (LSF),
Kalman filter, 148, 150 152, 154 155, 113 124, 162, 216, 260 261
174 176, 229 application to MVDC system, 116 123
Kirchhoff current and voltage laws, 96, procedure of, 114 116
109, 122 simulation results, 124
cascaded system, 124
shipboard power system, 124
L Load impedances, 34 35
Lie derivative, 115, 119 Load models, 28 35
Line regulating converter (LRC), 26, 107 constant power load (CPL) model,
Linear, time-invariant (LTI) systems, 83, 29 33
256 first-order lag impedance, 33
Linear control design and validation, first-order unstable impedance, 33 34
35 51 generalized load impedance, 35
network analyzer technique, 49 51 nonminimum phase impedance, 34 35
practical PI and PID control design, Load side control, 6f, 105
36 48 compensating CPLs with, 5 7
current mode control with PI transition towards generation side
controllers, 37 41 control, 29f
simulation example, 43 48 Load step increase bus voltage
voltage mode control with PID LQG, 260f
controller, 41 42 LSF, 260f
Linear feedback shift-register (LFSR), Logarithmic plots. See Bode diagrams
70 71 Low pass filter (LPF) transfer functions,
Linear Fractional Transformation (LFT), 202 203
193 194 LVAC (low voltage AC utility), 107
Linear Matrix Inequalities, 6 7 LVDC (low voltage DC utility), 107
Linear Quadratic Gaussian (LQG) control, Lyapunov function, 165 168
148, 217, 260 Lyapunov stability, 167f, 168, 177 178,
LQG-Centralized Controller, 236 185 186
LQG controller, 156 159, 258, 258f
in FPGA, 259f
with two degree of freedom structure,
155f M
LQG virtual disturbance controller, Master slave sharing, 233
225 226 Matlab, 43 44, 46, 48, 203, 234 235,
Linear quadratic regulator (LQR), 235t, 257 258
148 150, 154 155 Matlab/SIMULINK, 36, 124, 136, 140,
Linear state-space, 88 94 146, 165, 179 180, 203, 214 215
controllability, 90 91 Maximum Peak Criteria (MPC), 55
observability, 91 Measurement noise, 151, 202f, 204
pole placement, 91 94 Medium voltage direct current (MVDC)
Linear time-invariant (LTI) system, 83, system, xxvii xxviii, 15 16,
256 257 113 114
Linearization via State Feedback, 8, considerations influencing voltage
113 114 stability, 15 17
Linearizing control technique, 113 114 H N optimal control, 201 203