Page 893 - Mechanical Engineers' Handbook (Volume 2)

Index 885

Electrohydraulic position servo, 58 EPROM, see Erasable programmable
Electrohydraulic servoactuators, 604–606 read-only memory
Electrohydraulic servosystems, 590–596 Erasable programmable read-only memory
behavior of, 606–610 (EPROM), 241, 250
configurations of, 590, 592–595 Error(s):
electromechanical vs., 592, 596 from flexure properties, 72–73
range of control for, 616–617 instrument-statics, 10
Electrohydraulic servovalves, 588–592 propagation of, 10–12
Electrohydraulic stepper motors, 566 service-induced inhomogeneity, 144–
Electrohydraulic systems, 396 147
Electromechanical actuators, 392–394, in statistical testing, 23–24
592 temperature, 132
Electromechanical servoactuator Error analysis, 123–129
behaviors, 596–601 external estimates, 126–129
Electromechanical servoactuators, 596– internal estimates, 124–125
601 normal distribution used to calculate
Electromechanical servosystems: probable error in X, 125–126
behavior of, 602–604 Error band, 5, 6
configuration of, 590 Error detectors, 392
electrohydraulic vs., 592, 596 Estimator algorithms, 412
illustration/cross section of, 545 Etching, 868, 869
range of control for, 616–617 Ethernet, 232
Electromotive force (emf), 135–136, 148, Euler method, 354–355
149, 393 European standards, 157–158
Electronically erasable PROM Evaluation phase (system design), 291–
(EEPROM), 250 292
Electronic controllers, 406–409 Event-driven data acquisition, 214
Electron noise thermometers, 171–172 Excitation:
Element laws, 304–307
Element-structuring aids, 270–272 bridge, 102–103
Elliptical filters, 195, 196 persistence of, 812
Embedded control systems, 438 Excitation voltages, 79–82
Execution control charts (ECCs), 683
emf, see Electromotive force
Expectations, 280
Encoders, 391, 698
Experimental discovery of requirements,
End-of-block code, 702
268–269
Endpoint line, 94
End users, 680 Expert-opinion methods, 275–276
Energy: Exponential function z-transform of, 462
analogies of, 37–38 Extension wires, thermocouple, 135
definition of, 37 Extensive factor, 37
sources of, 303–307 External stability, 475
Energy exchange:
as input–output interaction example, F
35–36
operating points in an, 46–48 Fabrication foundries, 868–869
Energy ports, 584 Fact–value confusion, 280
ENPORT, 500 Fast Fourier transform (FFT), 190–191
Environment, system, 33 Fatigue, 52
Environmental characteristics, 4 FBDs, see Function block diagrams
Epoxy adhesives, 77 F-distribution, 24, 27