Page 302 - Electric Drives and Electromechanical Systems

Index 301

useable displacement of, 232f machining centres, 12
Linear amplifiers, 143e145 non-conventional subtractive machining
commercial, 143e144 processes, 7e10
connected as voltage amplifier, 144f technology, 2
linear, d.c. motor controller principle, 143f Machining, 5. See also Subtractive
use of, 144e145 machining
Linear brushless motors, 166 centres, 12
Linear digital actuators, 83e85 ECM, 7, 9
Linear drives, 97e98, 145 EDM, 7, 9
Linear encoder, 183e184 electron beam, 7e8
Linear motors, 182e184 machining-process controller, 3
construction of linear, flat, single sided Water jet, 9e10
brushless motor, 183f Magnetic bearings, 92e93, 93f
sizing, 104e106 Magnetic technology, 135
Linear optical encoders, 128e129 Magnetic-flux
Linear stepper motor, 215, 215f distribution, 179
Linear systems, 46 path, 140e141
Linear variable differential transformers Manufacturing systems, 22
(LVDT), 119e121, 120f Martensite, 233e234
Linear voice coil actuator, 229 Martensite-austenite transformation,
Linear-expansion coefficient, 166e167 233e234
Linearity, 109 MATLAB, 253
Load current’s form factor. See Armature Matrix converter, 205e206, 205f
Load torque (T L ), 42 Mechanical fuse, 94
Load’s peak acceleration, 44 Mechanical loads, 116
Local area networks (LANs), 273 MEM technologies. See Micro
Locating bearing design, 88 electromechanical technologies
Long-distance communication, 274 (MEM technologies)
Lorentz force principle, 228e229 Metal-oxide semiconductor field-effect
Low friction approach, 21e22 transistors (MOSFETs), 145, 176,
Low-cost microprocessor, 248, 251 225e226
Low-power ferrite magnets, 141e143 Metal-oxide varistors, 62
LSB. See Least-significant bit (LSB) Metallic couplings, 94e95
LVDT. See Linear variable differential Micro electromechanical technologies
transformers (LVDT) (MEM technologies), 227
Microprocessor, 187, 196, 248
M Mini-stepping, 224
Machina Speculatrix,22 Mobile robots/robotics, 12e13, 22e24
Machine operating programme, 273 rover spirit on surface of Mars, 23f
Machine tools, 4e12, 32 Model-reference adaptive control (MRAC),
additive manufacturing processes, 10e11 204, 251
controllers, 259e260, 260f Moment of inertia, 39
conventional subtractive machining Monitoring, 273
processes, 5e7 More-electric-aircraft, 27
industry, 4