Page 140 - Concise Encyclopedia of Robotics
P. 140

Generator
                                   Sine                   Square













                                  Sawtooth                 Ramp













                                  Triangular              Irregular

                            Generator—Fig. 1


                            disturbances can be expressed as mathematical functions of time,although
                            the functions are complicated in some cases.
                              Most function generators can produce sine waves, sawtooth waves, and
                            square waves. Some can also produce sequences of pulses. More sophisti-
                            cated  function  generators  that  can  create  a  large  variety  of different




                                                   
   135   136   137   138   139   140   141   142   143   144   145