Page 134 - Mechanical Engineers Reference Book
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Interfacing of computers to systems  3/17



















       L4                                                I
                                                    -

                          Position feedback           Position
           I
           I              Velocity feedback


       Figure 3.23  Machine tool slide control interface

                  Tape
       I oUtl

                  reader
                 ~
                           Velocity














                                                      I I     I
             i feed rate




         t




          Parameter
           limits


        Figure 3.24  Adaptive control on a NC turning machine
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