Page 894 - Mechanical Engineers' Handbook (Volume 2)
P. 894
886 Index
Feedback: Firestone analogy, 37, 38, 39n.
inner feedback loops, 645–651 FIR filters, see Finite impulse response
properties of, 384–386 filters
research on, 444 First law of thermodynamics, 304
in tachometers, 404 First-order decay, 835
Feedback compensation, 405–406, 415 First-order digital filters, 218
diagram of, 416 First-order hold, 467, 468
pseudoderivative, 418, 419 First-order lag, 625–627
state-variable, 417, 418 First-order lead compensators, 636, 639
Feedback control/controllers, 792 First-order rise, 835
history of NNs in, 817–819 First-order systems:
linearization design of NN, 795–800 integral control of, 402
multiloop NN, 800–804 PI control of, 403
neural networks in, see Neural proportional control of, 400–401
networks First-order transient response, 329–333
NN observers for output, 806–808 Flexibility, 802–803
Feedback linearization loop, 796 Flexural devices in measurement system,
Feedback linearization NN controllers, 70–73
798–799 Flip-flops (FFs), 243–246
Feedback loops, 384, 786–787 D, 244
Feedback systems: J–K, 246
closed-loop frequency response for R–S, 244, 245
nonunity, 511, 512 T, 245
Feedforward, 654–657 Floating coordinate systems, 699
Feedforward command compensation, Floating-point numbers, 849–850
427, 428 Float position, 177
Feedforward compensation, 415–418, Flow control servovalves, 613, 614
427–428 Flow control valves, 398
Feedforward control structures: Flow factor, 37, 38
for actuator compensation, 804–806 Flowmeters:
Feed rate, 700 types of, 175–176
Feed-rate function, 702, 704 Venturi-type, 396
FFT, see Fast Fourier transform Flow rate equation, 175
Fiber-optic blackbody-sensing systems, Flow rate measurement, 174–185
168–170 instability, 180–182
Fiber-optic cabling, 237 laminar, 179–180
Field-controlled dc motors, 393 nomenclature of, 174–175
Field programmable gate array (FPGA), orifice/nozzle/Venturi meters, 176–177
239–241 principles used in, 175–176
File storage, 224–225 ultrasonic, 181–185
Filters/filtering: variable-area meters, 177–179
analog, 191–198 Flow river, 132
data, 216–218 Flow sources, 40, 44
Final control elements, 387 Flow transducers, 391–392
Final-value theorem, 326, 450, 463 Flow variable, 119
Finite impulse response (FIR) filters, 197 FL systems, see Fuzzy logic systems
design of, 198–201 Fluor-optic temperature sensing, 170
IIR vs., 206, 208 Fluxes, 38
phase analysis of, 206 Flyball governor, 395, 444
Finite-settling-time algorithm, 432–433 ‘‘Foggy’’ window, 9
