Page 888 - Mechanical Engineers' Handbook (Volume 2)

880 Index

Closed-loop characteristic equation Comparators, 497, 498
(CLCE), 469–471, 481, 517–526 Compatibility, 46, 313–314
Closed-loop control system(s), 385 Compensation, 414–419
with disturbance, 468 feedback, 415
open-loop control vs., 445, 446 feedforward, 415–418
servoactuators for, see Servoactuators series, 415, 416
Closed-loop control system analysis, 443– Compensators, 414
501 Complementary metal–oxide–
block diagrams of, 456–460 semiconductor (CMOS), 870–872
characteristic equation, 469–471 Complete response of system, 328, 329
closed-loop transfer function, 468, 469 Completing the square, 325–326
direct digital control, 446, 447 Complex poles, 325–326
effects of additional zero/pole, 474– Complex s-plane, 335, 336
477 Complex translation theorem, 463
hierarchical control computers, 445– Compliance, 121, 123
447 Compound motors, 548
hybrid control, 446, 447 Compression techniques, 218–222
Laplace transforms, 448–456 Computed torque method, 427, 428
open-loop transfer function, 469 Computer-aided control system design
real systems with digital control, 447, (CACSD), 759
448 Computer-aided design (CAD), 709–710,
representation of, 468–477 869–870
simulation for, 490–501 Computer-aided manufacturing (CAM),
stability, 475–486 709–710
standard second-order transfer function, Computer-assisted programming, 706–709
471–472 Computer-based digital controllers, 673–
steady-state performance, 482, 483, 677
487–493 Computer control systems, 444
step input response of standard second- Computer numerical control (CNC), 697,
order transfer function, 472–474 698
supervisory control computers, 445–447 Conduction angle, 552
z-transforms, 459, 461–468 Confidence limits:
Closed-loop frequency response, 627–629 determination of, 17–18
for nonunity feedback systems, 511, on regression lines, 18–22
512 Connectors, thermocouple, 142–143
from that of open loop, 514–516 Conservation-based flowmeters, 175
Closed-loop step responses, 627, 630–632 Conservatism, 280
Closed-loop transfer function, 468, 469 Constant- method, 158
CMAC (cerebellar model articulation Constantan, 75
controller), 794 Constant-magnitude circles, 510, 511
CMOS, see Complementary metal–oxide– Constant-phase circles, 510–512
semiconductor Constant reference, modification for, 761–
CNC, see Computer numerical control 763
Coatings, temperature-sensitive, 173–174 Constitutive relationship, 304
Cognitive illusions, 282 Constraints (term), 269
Collective-inquiry methods, 270 Consumer products, 444
Command transfer function, 388 Continuity, 46, 313, 314
Common mode rejection, 103 Continuous-path machines, 701
Communications, data, 231–234 Continuous-rotation rotary-vane
Communications processors, 681 servomotors, 575, 576