Page 216 - Mathematical Techniques of Fractional Order Systems
P. 216

Controllability of Single-valued Chapter | 7  205


                Now,
                                   p
             EOðΦxÞðtÞO p H  #4 p21 EOS α ðtÞx 0 O 14 p21 E:  Ð 0 t  S α ðt2sÞ  Ð    0 s  σðτ;xðτÞÞdWðτÞ ds: p

                                             p
                       14 p21 E:  Ð  t  S α ðt2sÞBðsÞuðsÞds: 14 p21 E:  Ð t S α ðt2sÞfðs;xðsÞÞds: p
                               0                      0
                                                                     p
                                            p p21
                                     p
                             p pωb
                                                 e
                       #4 p21 M e  EOx 0 O 14 p21 M b  Ð 0 t pωðt2sÞ E:  Ð 0 s  σðτ;xðτÞÞdWðτÞ: ds
                                  2            1           3p
                                            1 12
                                       pωðt2sÞ  p         1
                                   0
                                       p21      Ð           p7
                                  6
                             p
                                    Ð
                                                        p
                       14 p21  M OBO 6  t  e  ds A  t  EOuðsÞO ds 7
                                 p @
                                  4  0           0         5
                             p p21
                                                p
                                   e
                       14 p21 M b  Ð 0 t pωðt2sÞ EOfðs;xðsÞÞO ds
                                                                         p
                                                                      2  2
                                                       2                3
                                                                      p
                                                                    p
                                     p
                                                        Ð
                             p pωb
                                               Ð
                                            p p21
                       #4 p21 M e  EOx 0 O 14 p21 M b  t pωðt2sÞ 4  s ðEOσðτ;xðτÞÞO 0 Þ dτ 5 ds
                                                 e
                                                      c p
                                                0        0          L
                                                                    2
                                                        3 p
                                      ! p21     p21
                                  2
                                        p       p
                       14 p21  p  p 6  p21  ðe pωb      7
                                    pω       21Þ  OuO L p ðJ;UÞ5
                            M OBO 4
                             p p21
                                                p
                                   e
                       14 p21 M b  Ð  t pωðt2sÞ EOfðs;xðsÞÞO ds
                                  0
                                                                          p
                                                                       2  2
                                                       2                  3
                                                                       p
                                                         s
                                                        Ð
                                            p p21
                             p pωb
                                                                     p
                                               Ð
                                     p
                       #4 p21 M e  EOx 0 O 14 p21 M b  t pωðt2sÞ 4  ð ^ M σ ð11EOxðτÞO ÞÞ dτ 5 ds
                                                 e
                                                      c p
                                                0        0
                                     ! p21
                             p
                       14 p21 M OBO p  p21  ðe pωb  21Þ p21 OuO p L p ðJ;UÞ
                                   pω
                             p p21
                                                  p
                                   e
                       14 p21 M b  Ð  t pωðt2sÞ ^ M f ð11EOxðsÞO Þds
                                  0
                Thus,
                                                        ! p21
                         p   p21  p pωb  p  p21  p  p  p21  pωb  p21  p
               sup E:ðΦxÞðtÞ: # 4  M e  EOx 0 O 1 4  M OBO  pω  ðe  21Þ  OuO
               tAJ       H                                            L p ðJ;UÞ
                                      0      1      p
                                        e pωb  2 1  2
                                                       ^
                                                                     p
                            1 4 p21 M b      A ð ^ M f 1 b c p M σ Þ sup ð1 1 EOxðtÞO Þ
                                         pω               tAJ
                                  p p21@
             it follows from the fact that uðUÞ; fðU; UÞ are continuous, Φ is well-defined
             on C. Moreover, for x; yAC and tAJ, one has
              EOðΦxÞðtÞ 2 ðΦyÞðtÞO p  # 2 p21 E:  Ð  t  S α ðt2sÞ½fðs; xðsÞÞ2fðs; yðsÞފds: p
                            H          0

                               1 2 p21 E:  Ð  t  S α ðt2sÞ  Ð    s ½σðτ; xðτÞÞ2σðτ; yðτÞފdWðτÞ ds: p
                                       0       0
                                      p p21
                                                                p
                               # 2 p21 M b  Ð  t  e pωðt2sÞ EOfðs; xðsÞÞ 2 fðs; yðsÞÞO ds
                                          0
                                                                         p
                                      p p21
                               1 2 p21 M b  Ð  t  e pωðt2sÞ E:  Ð  s ½σðτ; xðτÞÞ2σðτ; yðτÞފdWðτÞ: ds
                                          0        0
                                                            p
                                      p p21
                               # 2 p21 M b  Ð  t  e pωðt2sÞ M f EOxðsÞ 2 yðsÞO ds
                                          0
                                                                      p
                                                                  2   2
                                                 2                   3
                                                                  p
                                                   s
                                          t
                                          Ð
                                                   Ð
                                      p p21
                                                                 p
                               1 2 p21 M b  e  pωðt2sÞ 4  ðM σ EOxðτÞ2yðτÞO Þ dτ 5 ds
                                                c p
                                          0        0
   211   212   213   214   215   216   217   218   219   220   221