Page 895 - Mechanical Engineers' Handbook (Volume 2)

Index 887

Foil strain gages, 73, 74 Fuzzy logic control, 441, 794
Following errors, 525, 624 Fuzzy logic (FL) systems, 809–810
Follow-up systems, 388
Force, standard, 116
Force control with neural networks, 803– G
804 Gage factor (F), 75
Forced response of system, 328 Gain and shift amplifiers, 843
Force sensors, 855–859 Gain margin (GM), 420, 504, 506–509
Force servosystems, 593 Gain matrix selection, 759
Forecasting methods, 276–277 Gain-phase plots, 505–507
Fouling, 185 Gain range, 103
Four-arm bridge, 86, 87 Gain selection criteria, 409–414
Four-arm bridge with constant-voltage nonlinearities and control performance,
power supply, 82 413, 414
Four-bit A/D converters, 852 optimal-control methods, 411–412
Fourier series, 340 performance indices, 410–411
Fourier transform, 189–190 reset windup, 414
fast, 190–191 Ziegler–Nichols rules, 412–413
inverse, 205 Gain stability with temperature, 103
Four-terminal element, 307, 308 Galil Motion Control, Inc., 434, 437, 438
Four-way servovalves, 582 Gallons per minute (GPM), 175
Four-wire bridge circuit, 155, 156 Galvanic emf, 148, 149
Four-wire Callendar bridge circuit, 155, Gas sensors, 870, 873
156 Gas temperature measurements, 150–151
Four-wire direct circuit, 155, 156 Gaussian distribution, 362–363
FPGA, see Field programmable gate array Gaussian frequency distribution, 124
Free response of system, 328 Gaussian probability density function, 17
Frequency compensation, 632–645 GB (gigabyte), 848
higher-order effects, 641, 642, 645 G-codes (preparatory functions), 702
PID controller equivalence to, 656, G-code level, 697
658–659 Generalized HJB equation, 811
poorly damped systems, 637–644 General-purpose control devices (GPCDs),
well-damped systems, 633–637 678–715
Frequency domain, 506–509 characteristics of, 678–686
Frequency-domain analysis of linear device architecture of, 681–682
systems, 189–191 hierarchical control of, 678–680
Frequency-domain filtering, 205 numerical, 696–710
Frequency polygon, 16 path control of, 686
Frequency response, 77, 95, 104, 338, programmability of, 680–681
339 programmable, 687–696
Frequency response plots, 339–350 robot, 711–715
Frequency shaping, 772–775 sequential control of, 682–686
F-statistics, 24 Gigabyte (GB), 848
Functional approximation properties, 793, Global truncation error, 358
796 GM, see Gain margin
Function block diagrams (FBDs), 690– Goodness of fit, 8, 15–16
694 GPCDs, see General-purpose control
Function blocks, 691, 693, 695 devices
Fundamental attribution error, 280 GPM (gallons per minute), 175
Future estimate of single point, 20 GRAFCET specification language, 682