Page 434 - Understanding Automotive Electronics

2735 | Index Page 421 Tuesday, March 10, 1998 1:35 PM

INDEX I

regulation, 147-153, 162, 164, intermittent, 327, 339, 343
224, 235-237, 253-254, 377 federal government test procedures,
2-stroke/cycle engine, 377-378 148-153
exhaust gas oxygen (EGO), 157, 169, feedback, in operational amplifiers,
189, 410 78-79
exhaust gas oxygen (EGO) sensors, feedback control, 59, 139-141, 187.
167, 208-213, 226, 228, 352. See See also closed-loop control
also heated EGO sensors systems
(HEGO) cylinder pressure measurements,
closed loop control/operation, from, 370-372
170-173, 234-235, 254 sensors for, 208-214
definition, 410 fiber optics, 391
desirable characteristics, 211 filters, 54, 137-138, 308, 312
improvements, 256-257 firmware, 125
open loop mode, 175, 227, 253 fixed messages, 318
secondary air management, 250 flat-panel display, 318
switching characteristics, 211-212 flexible fuel vehicles (FFV), 378-379
temperature dependence, 212 flip-flop circuits, 89-91, 101
wide range air/fuel sensors vs., 372
exhaust gas recirculation (EGR), 155, floats, fuel quantity, 300, 306
157, 188, 224, 232-233, 253-255 flywheel, 10, 194
actuators, 215, 218-219 foot-pound, 411
control, 226, 228, 239 forward biased condition, 72
definition, 410 4-cylinder engine, 240, 257
in integrated engine control 4-stroke cycle, 8-10
system, 250 four-wheel steering systems (SWS),
measuring air mass and, 180-181 292-293
performance and, 163-164 frame, 3
exhaust manifold, 165, 239, 253 frequency response, 38-39, 55, 411
exhaust pressure ratio (EPR), 226 front wheel drive, 4, 19
exhaust system, 6, 155. See also fuel
catalytic converter alternative, 378-379
electronic control systems, 169 atomization, 370, 377
wide range air/fuel sensors for, lead-free, 166
372-375 fuel consumption. See also fuel
exhaust valve, 8, 10, 156 economy
expert systems, 354-360 brake-specific (BSFC), 159, 160
rate, 305, 372
fuel control system, 6, 147, 153-155,
F 157, 167-175, 368, 377. See also
fuel injection
acceleration enrichment, 235-237
fault closed-loop (See closed-loop
codes, 299, 338, 340-350 control system)
hard, 343 control modes, 225-238, 253-255

UNDERSTANDING AUTOMOTIVE ELECTRONICS 421