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Page 10 of 23                    Tan et al. Complex Eng Syst 2023;3:6  I http://dx.doi.org/10.20517/ces.2023.10





                      =   1 (      (  ),       )
                                    
                            1    ∑                    T
                      = lim   {[         {     +   =   |      =   }   (   +   )P            (   +   )]
                                                        
                          →0   
                           +
                                 =1,  ≠  
                                           T                  T
                      + [    {     +   =   |      =   }   (   +   )P            (   +   ) −    (  )P            (  )]}
                                                                
                                             
                                   
                            1   ∑       {     +   =   ,       =   }  T
                      = lim   [                         (   +   )P            (   +   )]
                                                        
                          →0                {      =   }
                           +
                                 =1,  ≠  
                            1     {     +   =   ,       =   }  T     T
                      + lim  [                     (   +   )P            (   +   ) −    (  )P            (  )]
                                                                       
                                                   
                          →0          {      =   }
                           +
                                   
                            1   ∑           (      (ℎ +   ) −       (ℎ))  T                            (21)
                      = lim   [                             (   +   )P            (   +   )]
                                                            
                          →0              1 −       (ℎ)
                           +
                                 =1,  ≠  
                            1 1 −       (ℎ +   )  T            T
                      + lim  [               (   +   )P            (   +   ) −    (  )P            (  )]
                                                                 
                                             
                          →0     1 −       (ℎ)
                           +
                                   
                            1   ∑           (      (ℎ +   ) −       (ℎ))  T
                      = lim   [                             (   +   )P            (   +   )]
                                                            
                          →0              1 −       (ℎ)
                           +
                                 =1,  ≠  
                            1 1 −       (ℎ +   )  T   T
                      + lim  [            (   (   +   ) −    (  ))P            (   +   )]
                                              
                                                        
                          →0     1 −       (ℎ)
                           +
                            1 1 −       (ℎ +   )  T                      (ℎ +   ) −       (ℎ)  T
                      + lim  [               (  )P      (      (   +   ) −       (  )) −     (  )P            (  )],
                                                                                      
                                             
                          →0     1 −       (ℎ)                        1 −       (ℎ)
                           +
               where ℎ is the dwell time when the system jumps from the previous mode to mode   ,       (ℎ) represents
               the cumulative distribution function of residence time when the system (10) maintains in    th mode,        
               represents the probability density from mode    to mode   . Using the properties of cumulative distribution
               function, it can be seen that
                                      1 −       (ℎ +   )  1       (ℎ +   ) −       (ℎ)
                                  lim             = 1, lim                  =       (ℎ),               (22)
                                                         +
                                   →0 +  1 −       (ℎ)    →0     1 −       (ℎ)
               where       (ℎ) represents the transition probability of the system in mode   . When    ≠   , we have         (ℎ) =
                                      ∑                                         T   ∑   
                             (ℎ) and         (ℎ) = −    =1,  ≠            (ℎ), one derives that =   1 (      (  ),       ) =    (  )(    =1,  ≠            (ℎ)P      )      (  )
                                                                                  
               + 2   (  )P      ¤      (  ).
                   T
                     
               According to [22] , there is a scalar    −1  ∈ (0,    ], and we know that
                                                    −1
                                              1     0
                                                                        
                  ∑            ∑             ∑       ∑                ∑
                       T                                  T    T                     −1 T
                     2   (  )P       G              (  ) ≤  (     1     (  )G        P       G              (  ) +       (  )P            (  )).  (23)
                         
                                                                                          
                                                            
                                                                                       1
                    =1          =1,  ≠          =1    =1,  ≠           =1,  ≠  
               Similarly, the =   2 (      (  ),       ), =   3 (      (  ),       ), =   4 (      (  ),       ) can be written as
                                        T             T
                          =   2 (      (  ),       ) =    (  )Q            (  ) −    (   −       )Q            (   −       )
                                                        
                                          
                                                                         
                                                      ∫               ∑
                                           T                T
                                      +          (  )Q          (  ) +     (  )(−Q    +          (ℎ)Q      )      (  )    ,
                                            
                                                              
                                                         −     
                                                                        =1
                                                         ∫    
                                        2  T                   T
                                                                       
                                            
                                                  
                          =   3 (      (  ),       ) =    ¤ (  )R    ¤    (  ) −        ¤    (  )R    ¤    (  )    ,
                                                                 
                                             
                                                            −     
                                                                         
                                         1  ∑      (  )  T   (  )     ∑      (  )  T   (  )
                          =   4 (      (  ),       ) =        (Δ       (  )) Ω    Δ       (  ) −    0        (Δ       (  )) Ω    Δ       (  )
                                              (  )
                                              =1                        =1
                                                                     
                                                                  ∑
                                         T                               (  )  T  (  )
                                      ≤    (   −       (  ))Ω          (   −       (  )) −    0        (         (  )) Ω             (  ).
                                           
                                                                    =1
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