Page 313 - Anatomy of a Robot
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12_200256_Index  4/10/03  3:41 PM  Page 298
                             298 INDEX
                             displacement (spring constant)
                                                      energy and power supplies,
                               in design of control systems,
                                                                               peripheral power control
                               40–41                  encryption, 266–269      path checking and, 175
                                                                                 and, 175
                                                       147–148, 153–189, 288–290
                             display systems, 83       algorithms for, 178–179  pipelining for, 179–181
                              energy and power supplies   alternating current (AC)   planning for, 160
                                in, 175                 in, 169                position prediction and,
                              video bus in, 104–106    batteries in, 165–166, 166  183–184
                             distortion, 262           braking and, 184–186    power failure detect (PFD)
                              anti-aliasing filters and, 203  calculating requirements for,  signals in, 182
                              pulse distortion in, 230–231,  154–155, 288–290  power failures and, 182–183
                                230, 231               centralization of energy code  premission and, 181
                             distributed control systems,  for, 161–162        prioritizing needs for, 160
                               22–24                   comparisons of requirements  processors and, 170–174
                             dithering (A/D), digital signal  for, 156         range of supply in, 168
                               processing (DSP) and,   computer hardware and,   rechargeable batteries in, 155
                               200–201                  118, 119               reclaiming/reusing energy and,
                             documentation of design, 144  conservation of, 160, 162–164  187–189
                             downloading times and     control systems for, 159–189,  regulation of, 165, 168–170
                               memory, 91               167–168                requirements for, 166–168
                             dynamic mechanics, 288–290  dead man power controllers  routing for minimum energy
                             dynamic random access memory  and, 174              consumption, 184
                               (DRAM), 93–95, 96–97, 98  direct current (DC) in, 169  safeguards and, 181–182
                             dynamic response (See     display systems and, 113  scheduling and, 179–181
                               also control systems),   efficiency of use of,   security and, 181–182
                               29, 50–51, 52            162–164, 169           selection of, constraints
                                                       electric motor curves in,   on, 157
                             E                          156, 156               sensors, 174, 175
                             eavesdropping, 267        field effect transistors (FETs)  shared motors and, 183
                             Eb/No curves, 234–236, 235,  in, 166–167          software considerations in,
                               239, 247                filtering, 140            178–183
                             effective address, 91     hardware considerations and,  sources for, 157
                             efficiency, of energy and power  164–175          spy hopping and, 176–178, 176
                               supplies, 169           heatsinks in, 165       subsystem power control
                             Einstein, Albert, 67, 68, 69  high level design and, 147–148  and, 174
                             electric motor curves, 156, 156  interference and emissions  switching regulators for, 170
                             electrocution hazards, 132  from, 169             technology selection in,
                             electromagnetic interference  interference and, 140–141  160–161
                               (EMI), display systems   interrogation at sensors, drain  thrashing in, 182
                               and, 113                 on, 174                torque control and, 186–187
                             electrostatic and electromagnetic  linear regulators for, 169–170  energy evaluation, for control
                               emissions/interference,  linear, 141             systems, 30
                               138–139                 looping and, 189       environmental considerations,
                             embedded processors, 113–114  mechanical considerations in,  132–135
                             emissions (See also        183–189               error control (See also
                               interference), 138–143  memory and, 174, 182–183  communications), 238–257
                             emotions in robots, 20–22  motors and, requirements for,  bandwidth limited,
                             empowerment of team members,  166–167               254–256, 256
                               143–144                 noise and, 168          bidirectional channels in, 241
                             encoding/decoding in      operating system and, 178  channel tuning in, 246–247
                               communications, 229     overhead and, 179       channels in, 251–252
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