Page 439 - Understanding Automotive Electronics

2735 | Index Page 426 Tuesday, March 10, 1998 1:35 PM

I INDEX

open-loop fuel control system, piezoelectric crystals, 214
(continued) piezoelectric element, 372
definition, 58-59, 412 piezoelectric force generators, 215
open-loop gain, 54 piezoresistivity, 193
operation codes (op codes), 111, piston rings, 7
412 pistons, 7
operational amplifiers, 54-55, 77-80, diameter, 156
275-276, 412 shock absorber, 22, 289
analog computers, 80 pixel, 323
feedback, 78-79 plant, 32, 56-59, 261, 412
summing mode, 79-80 output, 60, 139
optical display devices, 312-327 variables, measurements of, 187,
optical fiber, 391 188
optical sensors, 194, 196, 205-206, platooning, 404-405
268-269 PN junction, 74-75, 313
optimal damping, 412 PNP transistor, 74-75
OR gate, 83, 84, 119 polling, 130-131
output, 56, 139, 300-303. See also potentiometer, 206-207, 300, 307
actuators; input/output (I/O) power, 147, 155, 157, 158, 188
overdamping, 264 power steering system, 25
overhead cam engine, 7 power stroke, 10
oxidizing catalytic converter, 165- power train. See also drive train
166 control system, 299
oxygen partial pressure, 210 controller, serial digital link from,
oxygen sensors 339
EGO (See exhaust gas oxygen digital data line (PDDL), 299,
(EGO) sensors) 311
O2, 342-343, 349-350, 372 sensor and actuator applications,
187-188
precision, measurement, 47
P pressure sensors, 33-34, 175-176,
192-194, 228, 239. See also
manifold absolute pressure
parallel interface, I/O, 126-127, 271 (MAP)
parameters, 156 program counter, 110, 111, 114-
passive restraints, 360 116
peripherals, 100, 412 programs. See computer programs
addressing, 105 proportional amplifiers, 271, 276,
temporary storage for inputs, 412
117 proportional control systems, 60-66,
phase shift, 39, 412 263-265, 271-272
phoneme, 388 proportional integral differential
phototransistor, 205 (PID) controller, 66

426 UNDERSTANDING AUTOMOTIVE ELECTRONICS