Page 29 - Control Theory in Biomedical Engineering
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0.8
                            0.78
                              0.76  x
                                0.74
                                 0.72
                                   0.7
                                   0.03  Limit torus
                                  0.04
                                 0.05
                                0.06
                               0.07
                              0.08  y
                             0.09
                                                                No attractor
                    10  0  –2  0.1
                       z


                               10
                                5
                                 0
                                   x
                                 –5                               systems.
                                  –10
                                   –15  Limit cycle
                                   0
                                 5                                physiological
                                10  y                    20
                               15                         10      by
                   10  5  0  –5  –10  –15  20
                        z                                  0  x   exhibit
                                                            –10
                                                            –20
                               4                                Strange attractor  behaviors
                                                            –10
                               2
                                                           0
                                0                           y
                                 x
                                 –2                      10       dynamic
                                      Fixed point  z
                                 –4          10  5  0  –5  –10  –15  20
                                  –6
                                  0                               possible
                                 5
                                                                  Five
                                 y
                               10
                                                                  7
                    6  4  2  0  –2  –4  15
                        z                                         Fig.
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