Page 307 - Electric Drives and Electromechanical Systems
P. 307

306   Index


             Sinusoidal flux distribution, 178             non-conventional, 7e10
             Slot-wound limited-angle torque               unconventional, subtractive,
                   motor, 230                                manufacturing processes, 8f
             SMA. See Shape-memory alloy (SMA)          Subtractive processes, 7
             Smart factories, development of, 3         Supervisory control and data acquisition
             Soft robot, 227e228                             system (SCADA system), 280e281
             Software as a Service (SaaS), 283          Sustained regenerative braking, 160
             Solenoids. See Voice coils                 Swarm robotic, 22e23, 24f
             Solidworks, 253                            Switched inductance motor, 236
             Speed-error amplifiers, 202e203             Switched reluctance machine, 238
             Spindle drive of lathe, 99                 Switched reluctance motors, 235e238, 236f
             Split gearing, 78                            controller for, 238f
             Spur gear, 76e77                             single phase-leg as used in, 237f
             Square-law function, 156                   Switching principle, 144e145
             Squirrel-cage induction motor, 188e189     Switching regimes, 145
             Star network topology, 276                 Synchronous communication data
             Static-position accuracy, 216e217, 217f         messages, 273
             Stator’s ampere-conductor distribution, 179  Systematic errors, 110e112, 112f
             Steady-state error, 247e248
               for step input, 247                      T
             Step length, 214                           Tapered roller thrust bearings, 90
             Stepper motors, 209e210                    TCP. See Transmission Control Protocol
               control, 220e226                              (TCP)
                 open-loop control, 221e222             TCP/IP, 278
                 translators and drive circuits,        TCP/IP model, 276e278
                   222e226                              TCP/IP model, 276e278, 276f
               principles, 210e216                      Tendon transmission systems, 21e22
                 comparison of motor types, 215e216     Threat, 65
                 hybrid stepper motors, 213e214         Thrust bearings, 89e90
                 linear stepper motor, 215, 215f        Thyristor, 145
                 multistack variable-reluctance motors,   thyristor-based drives, 145
                   210e211                              Timers, 267
                 single-stack variable-reluctance motors,  Torque, 189e190
                   211e213, 212f                          considerations, 42
               static-position accuracy, 216e217          equation, 180e181, 197e198
               torque-speed characteristics, 217e220,     motors, 139e140
                   218fe219f                               cross-section of brushed, 139f
             Stereo-lithography file (STL file),             winding, 230
                   10e11                                  ripple, 230
             Stiffness, 217                               torque-speed
             Straight-cut control system, 52               characteristics, 217e220, 218fe219f
             Subtractive machining, 5                      relationship, 172
               conventional, 5e7                        Torsion formula, 95e96
                 face-milling process, 6f               Total regenerative energy, 159
                 turning process, 5f                    Total tractive effort, 47
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