Page 629 - Sensors and Control Systems in Manufacturing
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                          Radiometric calibration       Response time, inductive and
                            linear multiple point, 512–513  capacitive sensor
                            multiple point, 512           high-speed operation, 94
                            nonlinear multiple point, 513–515  maximum target length, 94–95
                            overview, 509                 OFF delay logic, 96–97
                            theory, 510–512               ON delay logic, 96
                          Radiometric errors, 515         one-shot delay, 97
                          Radiometric gain, 511           ON/OFF delay logic, 97
                          Radiometric offset, 511         overview, 93
                          Random access memory (RAM) array,   release time, 93–94
                             390                          target duty cycle, 95–96
                          Range sensing, 72–73, 98, 106–109, 412  timing functions, 96
                          Reach-through structure, APDs, 361,   Responsibility centers, 538
                             367                        Responsivity, APD, 364–365
                          Read-only memory (ROM), 439   Restriction faults, software, 202
                          Real-world phenomena, 257     Retroreflective sensing mode, 144,
                          Receivers, 157–158               152–153
                          Red, green, and blue (RGB), 10–11, 14,   Return on assets (ROA), 527
                             22–23, 283                 Return on investment (ROI), 527
                          Reference values, 50, 462, 485  Reverse-polarity protection, 88
                          Reference-level sensing, 293  RF (radio-frequency) devices, 277
                          Reflected energy, 100         RFI (radio-frequency interference),
                          Reflected light, 357             74–75, 79
                          Reflection center, 223        RGB (red, green, and blue), 10–11, 14,
                          Reflection-type sensor, 328      22–23, 283
                          Reflective mode bifurcate fiber optics,   RIA (Robotics Industry Association),
                             167                           432
                          Reflective strip imaging camera   Riboswitches, 9
                             sensors, 315–317           Ring coupler, 163–164
                          Reflex detection methods, 58–59  RNA protein mapping, 8–9
                          Reflex photoelectric controls, 137–138  ROA (return on assets), 527
                          Reflex photoelectric sensors, 52  Robotic grippers, 310–312
                          Refractive index, 353         Robotics Industry Association (RIA),
                          Relative algorithm, 288          432
                          Relative radiometric errors, 517–519  Robots
                          Relative sensor gain, 346       control through sensors, 411–412
                          Relays, 81–82                   density measurements, 434–436
                          Release, plant, 239             diagnostic systems, 198–199
                          Release control, engineering, 237  displacement sensors for, 348–350
                          Reliability, sensor, 256        history of, 417–419
                          Remote sensing, fiber pairs, 168–169  interfaces, 423–424
                          Repeatability, 422              invention of, 419–426
                          Reporting. See Communication,   material handling, 250
                             workplace                    multisensor-controlled assembly,
                          Research                           412–417
                            computer-integrated manufacturing,   programming, 423–424, 426–428
                               231                        projections for, 436–437
                            engineering management, 237–238  vision system
                            engineering release control, 237  control through, 383–388
                            facilities engineering, 237    guidance with, 389–391
                            overview, 235–236              locating position, 388–389
                            process development, 237      world market for, 428–434
                            product development, 236    Rockwell International Corporation,
                          Research-Acquire routine, 493–494  446
                          Residual current, 80–81       ROI (return on investment), 527
                          Resistance temperature detectors   ROM (read-only memory), 439
                             (RTDs), 257                Roomba domestic vacuum cleaner, 430
                          Resonance and vibration analysis, 197  RS-232 interface, 213–215, 262
                          Resources, 239                RS-422 interface, 262
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