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TABLE 14.1 Classification of Electromagnetic Microdevices Using the Electromagnetic
                                     System–Geometry Classifier

                                        G                               Geometry
                                     M       Plate, P   Spherical, S  Torroidal, T  Conical, N  Cylindrical, C  Asymmetrical,A



                                         Endless (Closed), E







                                       Electromagnetic System




                                         Open-Ended (Open), O










                                         Integrated,I









                                                                             N     as  bs
                                                          Endless Electromagnetic System  as  bs  N
                                                            and Spherical Geometry
                                                                             Stator
                                                                                   Rotor
                                                                            as  bs  S
                                                                             S     as  bs
                                                                             Rotor  Stator
                                                          Endless Electromagnetic System
                                                            and Conical Geometry    bs
                                                                              N   as
                                                                               bs
                                                                             as     N
                                                                             Stator
                                                                             as    Rotor
                                                                               bs   S
                                                                             S    as
                                                                              Rotor  bs
                                                                                  Stator
                                                          Endless Electromagnetic System
                                                                             N     as  bs
                                                            and Cylindrical Geometry
                                                                            as  bs  N
                                                                            as  bs  Rotor
                                                                             Stator
                                                                                    S
                                                                              S    as  bs
                                                                             Rotor  Stator
                                 FIGURE 14.1  Permanent-magnet synchronous micromachines with different geometry.
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