Page 107 - Control Theory in Biomedical Engineering
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Without control
            With control
                      0.9
                   1
                              0.6
                         0.8
                           0.7
           1.3
                                   0.4
                                 0.5
                 1.1
              1.2
                            Effector cells, E(t)
                                      30  0.3  30  25  20  15  10  5  0  Time (days)  2  1.8  1.6  1.4  1.2  1  0.8  0.6  Imunotherapy control, W(t)  0.4  0.2  0  30  30  25  20  15  10  5  0  Time (days)  treatment the chemotherapy  and after (3), before of system  10.  day  by eradicated  be  can
            With control  Without control                                   the tumor cells and effector cells  population
                                      25                                25
                                      20                                20    cells’  tumor
                                      15  Time (days)                   15  Time (days)  populations of  the
                                      10                                10    that  shows
                                      5                                 5     It  w(t).

                                      0                                 0   Numerical simulations of  and
           300  250  200  150  Tumour cells, T(t)  100  50  0  0.9  0.8  0.7  0.6  0.5  0.4  0.3  Chemotherapy control, V(t)  0.2  0.1  0  v(t)




                                                                            Fig. 2  controls  with
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