Page 306 - Electric Drives and Electromechanical Systems
P. 306

Index  305


                  end effectors, 18e22                     S
                    dexterous end effectors design, 20e21  SaaS. See Software as a Service (SaaS)
                    power and precision grasp of human     SCADA system. See Supervisory control and
                      hand, 18f                                 data acquisition system (SCADA
                    whole arm manipulator’s                     system)
                      anthropomorphic hand, 20f            Scalar control, 187e188, 193e196
                  industrial, 13e18                        Security systems, 22
                  kinematics, 16                           Selective-compliance-assembly robotic arm
                  mobile and swarm, 22e23                       (SCARA), 14
                  walking robots, 23e25                    Semi-absolute optical encoders, 127
                 Rolling-element bearing, 90               Sensitivity, 109
                 Root-mean-square (r.m.s.), 98, 102, 105   Sensorless control, 177
                 Rotary systems, 38e46                       vector control, 203e204, 204f
                  acceleration                             Sequential-logic programming, 267e270,
                    with applied external load, 44e45           267fe268f
                    without external load, 44              Series elastic actuators, 49, 49f
                    load with variable inertia, 45e46      Servo control, 242e252, 243f
                  fundamental relationships, 38e42           advanced control systems, 251e252
                  gear ratios, 42e43                         closed-loop controller, 244f, 246f
                  moment of inertia                          digital controllers, 248e250
                    for number of common bodies,             feedback control system, 242f
                      40te41t                                Laplace and z-transforms, 244t
                    for solid body, 39f                    Session layer, 277
                  rotational elements of motor drive       sgn function, 51
                      system, 38f                          Shafts, 95e97, 96f
                  torque considerations, 42                Shannon’s sampling theorem, 113e114
                 Rotating velocity transducers, 116e119    Shape memory effect, 233e234
                  brushed d.c. tachogenerators, 116e117    Shape-memory alloy (SMA), 233e235, 235f
                  brushless d.c. tachogenerators, 117e118    actuator, 234e235
                  electromechanical pulse encoders, 119    Shunt voltage regulator, 161be162b
                  incremental systems, 118                 Simple gear train, 74e76
                 Rotational input speed, 85e86             Simulation of drives and controllers,
                 Rotational output power, 190e191               252e258
                 Rotor                                     Sinewave-wound brushless motors,
                  current, 188e189                              177e182
                  encoders, 202e203                          control of, 181e182
                  flux, 204                                   idealised sinewave-wound permanent
                  model, 204                                    magnet machine, 178f
                  power factor, 189e190                      sinewave wound machine controller, 182f
                  rotor-position measurement, 174e176        torque characteristics, 179e180
                  winding, 139                               torque-speed characteristics, 180e181
                 RS-232 standard, 273                          of sinewave wound machine, 181f
                 RS-485 standard, 273                        voltage characteristics, 180
                 RTR. See Remote Transmission Request      Single-stack variable-reluctance motors,
                      (RTR)                                     211e213, 212f
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