Page 308 - Electric Drives and Electromechanical Systems
P. 308
Index 307
Transducers, 31 Velocity transducers, 108
Translators, 222e226 installation considerations, 130e133
Transmission Control Protocol (TCP), determination of datum position,
277e278 132e133
Transmission system, 31 electrical interconnection, 132
Transport layer, 277 mechanical installation, 130e132
Turning operation, 5e6 performance of measurement systems,
Two-axis d-q model, 188 108e116
A/D and D/A conversion errors,
U 114e115
UAV. See Unmanned aerial vehicles (UAV) digital-system errors, 112e114
UGV. See Unmanned ground vehicles dynamic performance, 115
(UGV) errors introduced by process, 115e116
Uncontrolled rectifier, 195e196 random errors, 110e111
Unconventional motors, 227 systematic errors, 111e112
Undamped natural frequency of oscillation, rotating velocity transducers, 116e119
219e220 Voice coils, 228e229, 229f
Under-actuation approach, 20e21 actuators, 228
Undervoltage, 61 Voltage equation, 172
Uniform magnetic field, 138 for single phase, 236
Unipolar switching pattern, 146 Voltage spikes, 61
Unmanned aerial vehicles (UAV), 22 Voltage-controlled oscillator (VCO),
Unmanned ground vehicles (UGV), 22 123e124
Unmanned underwater vehicles (UUV), 22 Voltage-fed inverters, 193e194
Vulnerability, 65
V
Variable-reluctance stepper motors, 210, W
235e236 Walking robots, 23e25
Vat polymerisation, 10e11, 11f kinematic design of three jointed legs, 25f
VCO. See Voltage-controlled oscillator Water jet machining, 9e10
(VCO) Wheeled systems, 46e49
Vector control, 196e204, 197f Whole arm manipulator, 19
implementation, 200e201 Windage torque (T w ), 42
transformations, 201f Wound armatures, 230
principles, 198e200, 198f
sensorless, 203e204, 204f Y
using sensors, 201e203 Young’s modulus, 227e228
relative angles, 202f
sensor-based induction-motor control Z
system, 202f Zero-order hold (ZOH), 248e249
Vector controllers, 187e188, 202e203 Zetransforms, 249