Page 896 - Mechanical Engineers' Handbook (Volume 2)

888 Index

Graphical design methods, 418–424 Histograms, 16–17
dead-time elements, systems with, 420 HJB equation, see Hamilton–Jacobi–
Nyquist stability theorem, 419–420 Bellman equation
open-loop for PID control, 420–421 HJI equation, see Hamilton–Jacobi–Isaacs
with root locus, 421–424 (HJI) equation
software for, 438 Hold circuits, 426, 464, 466–468
Ground (term), 312 Hollerith, Herman, 699
Group meetings, 272, 273 Holography, 62
Guard filter, 378 Homeostasis, 792
Gyrating transducers, 310 Homogeneous variances testing, 24, 27
Gyrational resistance, 308 Human factors evaluation, 294–295
Gyration ratio, 308 Human inference and decision, 278–282
Gyrators, ideal linear lumped two-ports, Hybrid computation simulation, 501
43 Hybrid control, 446, 447
Hybrid simulation, 352
H Hybrid stepper motors, 566
Hybrid systems, 376
Habit, 280 Hydraulic actuators, 394–396
Half stepping, 563 Hydraulic compensation, 610–616
Hall charts, 509–514 Hydraulic controllers, 407
closed-loop amplitude ratio, 512–514 Hydraulic modulators, 582–592
closed-loop frequency response for electrohydraulic servovalve model,
nonunity feedback systems, 511, 588–592
512 servovalve design/operation, 582–586
constant-magnitude circles, 510, 511 spool-type valve model, 584, 586–588
constant-phase circles, 510–512 Hydraulic motors, 396
Hamilton–Jacobi–Bellman (HJB) Hydraulic power, 53
equation, 811–813 Hydraulic resonance, 637
Hamilton–Jacobi–Isaacs (HJI) equation, Hydraulic servomotors, 574–581
813–815 linear-motion, 574–575
Hamming window, 200, 201 mathematical models of, 576, 579–581
Hanning window, 200, 201 rotary-motion, 575–578
Hardware, controller, 405–409 Hydraulic transmission, 396
Hardware-in-the-loop testing, 438 Hysteresis, 5, 6, 94, 500
Hard-wired digital controllers, 672–674
Harmonic distortion, 104
Harmonic oscillation, 335 I
HDP (heuristic dynamic programming),
816 IAE criterion, see Integral absolute-error
Heaviside expansion theorem, 325 criterion
Heuristic dynamic programming (HDP), Ideal current source, 828
816 Ideal diodes, 831, 832
Hexadecimal numbers, 846 Ideal voltage source, 828
Hierarchical control computers, 445–447 IEC, see International Electrotechnical
Higher-order systems, transient response Commission
of, 335, 337 IEC 60848 standard, 682
High-pass filters, 203 IEC 61131-3 standard, 683
High-recovery-factor probes, 151 IEC 61131 standard, 691, 696
High-temperature measurement, 132 IEC 61499-1 standard, 683
Hindsight, 280 IEC 61512-1 standard, 683