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TABLE 34.3  Motor P = 5.5 kW, U = 380 V Solutions List, Without Generated
                                              Parameters Limited
                                                           3
                                              Number  V [dm ]  ϑ [K]  cosϕ [-]  η [-]  m p  [-]  Directory
                                               1        3.96   88.1    0.798   0.834   1.72  Motor1
                                               2        4.20   86.9    0.818   0.843   1.90  Motor2
                                               3        4.31   74.9    0.787   0.865   1.77  Motor3
                                               4        4.32   88.8    0.836   0.817   1.78  Motor4
                                               5        4.33   75.1    0.690   0.973   1.07  Motor5
                                               6        4.50   89.0    0.836   0.834   1.79  Motor6
                                               7        4.51   86.8    0.818   0.818   1.93  Motor7
                                               8        4.54   90.0    0.884   0.812   1.98  Motor8
                                               9        4.56   84.6    0.857   0.816   1.74  Motor9
                                              10        4.58   86.5    0.836   0.817   1.77  Motor10
                                              11        4.63   68.2    0.792   0.858   2.10  Motor11
                                              12        4.69   88.4    0.862   0.808   1.80  Motor12
                                              13        4.70   73.4    0.845   0.830   2.25  Motor13
                                              14        4.73   61.0    0.799   0.871   1.90  Motor14
                                              15        4.78   78.1    0.853   0.858   1.67  Motor15
                                              16        4.78   71.0    0.767   0.870   1.80  Motor16
                                              17        4.81   70.6    0.703   0.934   1.28  Motor17
                                              18        4.97   54.5    0.804   0.883   1.90  Motor18
                                              19        5.08   55.5    0.762   0.877   2.20  Motor19
                                              20        5.12   88.2    0.879   0.806   2.05  Motor20
                                              21        5.96   44.0    0.784   0.870   2.55  Motor21
                                              22        6.35   42.4    0.803   0.882   2.69  Motor22
                                              23        6.40   87.5    0.887   0.853   2.27  Motor23
                                              24        6.57   59.0    0.747   0.956   1.16  Motor24
                                              25        7.05   42.3    0.793   0.865   3.00  Motor25
                                              26        7.39   52.9    0.714   0.986   1.03  Motor26

                                    3. Power factor optimization. An effort to achieve the first type of motor (see above discussion) with low
                                       copper content, high current density σ 1 , worse value of efficiency. Torque overload capacity was good.
                                    4. Efficiency optimization. The designed motor corresponded to the second type of motor (see above
                                       discussion) with prevailing copper content, low current density σ 1 , and good efficiency, however,
                                       with worse power factor values. Torque overload capacity was good.
                                    5. Torque overload capacity optimization. The motor is designed with high number of slots for pole
                                       and phase, resulting in gradual spread of conductors on the perimeter. The motor can have
                                       prevailing iron or copper content depending on a local solution, to which it converged. It can
                                       have good values of power factor and efficiency for a price of machine volume increase.

                                 34.4 The Use of a Neuron Network for the Identification
                                         of the Parameters of a Mechanical Dynamic System

                                 The basic step used to solve the dynamic tasks by means of any type of modeling is to create a set of
                                 important quantities that include both the quantities describing structure, conditions, and the interac-
                                 tions of technical objects and the quantities that characterize the consequences (i.e., their demonstration
                                 and behavior).
                                   The methods of creating the mathematical models in drive systems, in general an interactive process,
                                 utilize
                                     • the applications of well-known physical principles that describe the phenomena in drive systems

                                       (e.g., the second Newton’s principle, Kirchhoff’s laws, etc.), or
                                     • the applications of the methods based on artificial intelligence algorithms (e.g., genetic algorithms
                                       [1] and artificial neuron networks [6, 7]).

                                 ©2002 CRC Press LLC
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