Page 317 - Anatomy of a Robot
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12_200256_Index  4/10/03  3:41 PM  Page 302
                             302 INDEX
                                                      N
                             motors (continued)
                              brushes in, DC type, 277
                                                                                supplies, 179
                                                      naming the robot, 14    overhead, in energy and power
                              brushless DC, 277–278                           overshoot, in control systems,
                                                      natural frequencies, 290
                              control systems for,    Network Equipment         44, 46, 50
                                276, 277, 278
                                                       Building System (NEBS)
                              cooling for, 276, 277, 278, 279  standards, 135  P
                              DC motors, 276–279
                                                      network interface cards   pad brakes, 186
                              DC stepper, 278–279      (NIC), 232
                              electric motor curves in,                       pages of memory, 92
                                                      Network layer, OSI layered
                                156, 156                                      panic buttons, 129
                                                       network model, 224     parallel processors, 83–85, 84
                              energy and power supplies in,  networks, Open Systems
                                requirements for,                             parity bits, 244
                                                       Interconnection (OSI) layered
                                166–167, 183           model for, 224–228     path checking, energy and power
                              field effect transistors (FETs)                   supplies for, 175
                                                      neural networks, 79–81, 80, 81
                                in, 166–167                                   PCMCIA cards, 93, 104
                                                      Newton, Isaac, 75, 75         ™
                              fire hazards of, 277, 278                       Pentium processors, 102
                                                      noise (See also interference), 290
                              interference and, 141    analog, 200            performance, 50
                              noise from, 277, 278                             benchmarks, for computers,
                                                       digital, 201
                              organic, 279                                       116–117, 119
                                                       energy and power supplies
                              piezo-electric, 279       in, 168                computer hardware and,
                              reliability of, 277, 278                           115–117
                                                       motors, 277, 278
                              revolutions per minute (RPM)  nonlinear control elements, 46,  control systems, 50, 65
                                in, 276                                        testing for, 145
                                                       51–52, 52
                              shared, for energy      nonreturn to zero (NRZ)   performance testing, 145
                                efficiency, 183                               peripheral component interface
                                                       codes, 229
                              speed of, 276, 277, 278                           (PCI) video bus, 104
                                                      Nyquist, 197, 197
                              stopping and braking, 278  Nyquist-Shannon sampling  peripheral power control, 175
                             moving mass force (kinetic                       peripherals for computer (See
                                                       theorem in, 192–197,
                               force), 31                                       also computer hardware),
                                                       195, 196
                             moving parts                                       108–113
                              reliability and, 128                            personal digital assistants
                              safety and, 131         O                         (PDAs), 83
                             MPEG compression, 220, 245,  "open eye" pattern,   personalities in robots, 21
                               247, 248, 251, 252, 265  238–239, 239          personnel, 8
                             multimedia extension (MMX)  open loop control systems,  phase shift in IIR filters,
                               instructions sets, 102  24–26, 25                219, 219
                             multiple access/media access  Open Systems Interconnection  phase shift keying (PSK), 234
                               control (MAC) layer, OSI  (OSI) layered model for  Physical layer, OSI
                               layered network model, 224  networks, 224–228    layered network model,
                             multiply and accumulate (MAC)  operating system, energy and  224, 226–228, 272
                               chips, 85, 216          power supplies for, 178  piezoelectric motors, 279
                             multirate DSP, 220       operations per second, in  pipelining, energy and power
                             multivariable control systems  computer performance,  supplies for, 179–181
                               (See also control systems),  115–116           plastics, 283
                               58–67                  organic motors, 279     Politics of Experience, The,
                                                      oscillation frequency (ringing),  22, 222
                                                       in control systems, 44–47  polynomial checksums, 243
                                                      overflow, in digital signal  position, in control systems,
                                                       processing (DSP), 87–88  32–39
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