Page 631 - Sensors and Control Systems in Manufacturing

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SMIs (shared memory interfaces), SpectRx NIR technology (Cont.):
224 radiometric accuracy
SMT (surface mount technology), 23 calibration drift, 517–519
SNA (systems network architecture), calibration source errors, 515–517
264 channel spectrum error, 520–521
SNR (signal-to-noise ratio), 363, 495, detector nonlinearity errors, 520
506 intrinsic linearity, 519
Snubber circuit, 83–84 spectral aliasing error, 522
Social interests. See Economic interests radiometric calibration, 509–515
Software sensitivity
computer-integrated manufacturing, dark noise, 503–504
262 detector current, 498
multisensor-controlled robot efficiency, 504–505
assembly, 416–417 jitter noise, 504
problems, in machinery fault sensor Johnson noise, 499–503
networks, 201–204 noise equivalent spectral radiance,
robot, 423 505–506
Solid laser, 117 object view spectral radiation,
Solid-state arrays, 382 495–497
Solid-state lighting (SSL), 23 overview, 495
Solutions, quantifying acidity of with photon noise, 498
optical sensors, 317–318 power at detector, 497–498
Sound-vision recognition end effector quantization noise, 503
sensors scanning instability noise, 504
large surface measurements, signal-to-noise ratio, 506
402–404 sources of noise, 498
overview, 400–402 spectroradiometer transmission, 497
positioning, 405–407 throughput, 497
sensitivity of measurements, 404 spectral resolution, 507–508
small surfaces, 404–405 terminology, 490–491
standoff, 402 Speed, 422
Sourcing (PNP) parallel sensor Speed sensors, 412
arrangement, 90 Spherical reflecting surface,
Space industry crack detection sensors, decentration of, 317
367–368 Splice technology, 158
Spatial high-accuracy position- SPUs (special processing units), 415
encoding sensor (SHAPES), 302 SQL (Structured Query Language), 266
SPDT (single pole, double throw) SRGB color space, 11, 13
relay, 52 SSL (solid-state lighting), 23
Special orders analysis, 540 Standard platforms, 269–270
Special processing units (SPUs), Standard range core coil, 67, 68
415 Standard range field plot, 68
Spectral aliasing error, 522 Standard white light, 114–115
Spectral intensity, 491 Standard-cost system, 529
Spectral irradiance, 491 Star network, 375
Spectral locus, 15 Steel industry, 125–127
Spectral noise, 362 Stefan-Boltzmann law, 334–335
Spectral radiance, 491 Stepping motors, 49
Spectral resolution, 507–508 Stereoscopic cameras, 309
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Spectralon material, 39–40 Straight-line control, 454

Spectroradiometers, 491, 497 Strain gauges, 338
Spectroscopy, 356–359 Strategic level, CIM, 247
SpectRx NIR technology Strips, LED, 20
abbreviations, 487–490 Structure vibration measurement
advantages of, 492–494 sensors, 300–302
apodization, 508–509 Structured analysis and design
instrument line shape, 506–509 technique (SADT), 255–256
mathematical relations, 491–492 Structured decisions, 253
overview, 487 Structured Query Language (SQL), 266