Patent ID: 11921169
Assignee: WUHAN UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The method according to claim 9, wherein fusing all the evidence by the induced ordered weighted evidence theory and calculating the reliability of the comprehensive evaluation, so as to determine the diagnosis result comprises:
inputting information of the different attributes Xk into the same identification framework Θ, calculating the basic probability assignment m where:, m
      
        k
        ,
        l
      
    
    =
    
      
        
          m
          k
        
        ⁡
        
          (
          
            H
            l
          
          )
        
      
      =
      
        
          ω
          k
        
        ⁢
        
          β
          
            k
            ,
            l
          
        
      
    
  

  
    
      m
      
        k
        ,
        
          H
          Θ
        
      
    
    =
    
      
        
          m
          k
        
        ⁡
        
          (
          
            H
            Θ
          
          )
        
      
      =
      
        
          1
          -
          
            
              ∑
              
                l
                =
                1
              
              N
            
            ⁢
            
              m
              
                k
                ,
                l
              
            
          
        
        =
        
          1
          -
          
            
              ω
              k
            
            ⁢
            
              
                ∑
                
                  l
                  =
                  1
                
                N
              
              ⁢
              
                β
                
                  k
                  ,
                  l
                
              
            
          
        
      
    
  

  
    
      
        m
        ~
      
      
        k
        ,
        
          H
          Θ
        
      
    
    =
    
      
        
          
            m
            ~
          
          k
        
        ⁡
        
          (
          
            H
            Θ
          
          )
        
      
      =
      
        
          ω
          k
        
        (
        
          1
          -
          
            
              ∑
              
                l
                =
                1
              
              N
            
            ⁢
            
              β
              
                k
                ,
                l
              
            
          
        
        )
      
    
  

  
    
      
        m
        _
      
      
        k
        ,
        
          H
          Θ
        
      
    
    =
    
      
        
          
            m
            _
          
          k
        
        ⁡
        
          (
          
            H
            Θ
          
          )
        
      
      =
      
        (
        
          1
          -
          
            ω
            k
          
        
        )
      
    
  

compounding the probability assignment:, ⁢
    
      
        m
        l
      
      =
      
        K
        [
        
          
            
              ∏
              
                k
                =
                1
              
              
                N
                
                  SE
                  ⁢
                  
                    
                  
                  ⁢
                  C
                
              
            
            ⁢
            
              (
              
                
                  m
                  
                    k
                    ,
                    l
                  
                
                +
                
                  
                    m
                    _
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
                +
                
                  
                    m
                    ~
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
              
              )
            
          
          -
          
            
              ∏
              
                k
                =
                1
              
              
                N
                
                  S
                  ⁢
                  E
                  ⁢
                  C
                
              
            
            ⁢
            
              (
              
                
                  
                    m
                    _
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
                +
                
                  
                    m
                    ~
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
              
              )
            
          
        
        ]
      
    
  

  
    
      
    
    ⁢
    
      
        
          m
          ~
        
        
          H
          Θ
        
      
      =
      
        K
        [
        
          
            
              ∏
              
                k
                =
                1
              
              
                N
                
                  S
                  ⁢
                  E
                  ⁢
                  C
                
              
            
            ⁢
            
              (
              
                
                  
                    m
                    _
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
                +
                
                  
                    m
                    ~
                  
                  
                    k
                    ,
                    
                      H
                      Θ
                    
                  
                
              
              )
            
          
          -
          
            
              ∏
              
                k
                =
                1
              
              
                N
                
                  S
                  ⁢
                  E
                  ⁢
                  C
                
              
            
            ⁢
            
              (
              
                
                  m
                  _
                
                
                  k
                  ,
                  
                    H
                    Θ
                  
                
              
              )
            
          
        
        ]
      
    
  

  
    
      
    
    ⁢
    
      
        
          m
          _
        
        
          H
          Θ
        
      
      =
      
        K
        [
        
          
            ∏
            
              k
              =
              1
            
            
              N
              
                S
                ⁢
                E
                ⁢
                C
              
            
          
          ⁢
          
            (
            
              
                m
                _
              
              
                k
                ,
                
                  H
                  Θ
                
              
            
            )
          
        
        ]
      
    
  

  
    K
    =
    
      
        [
        
          
            
              ∑
              
                l
                =
                1
              
              N
            
            ⁢
            
              
                ∏
                
                  k
                  =
                  1
                
                
                  N
                  
                    S
                    ⁢
                    E
                    ⁢
                    C
                  
                
              
              ⁢
              
                (
                
                  
                    m
                    
                      k
                      ,
                      l
                    
                  
                  +
                  
                    
                      m
                      _
                    
                    
                      k
                      ,
                      
                        H
                        Θ
                      
                    
                  
                  +
                  
                    
                      m
                      ~
                    
                    
                      k
                      ,
                      
                        H
                        Θ
                      
                    
                  
                
                )
              
            
          
          -
          
            
              (
              
                N
                -
                1
              
              )
            
            ⁢
            
              
                ∏
                
                  k
                  =
                  1
                
                
                  N
                  
                    SE
                    ⁢
                    
                      
                    
                    ⁢
                    C
                  
                
              
              ⁢
              
                (
                
                  
                    
                      m
                      _
                    
                    
                      k
                      ,
                      
                        H
                        Θ
                      
                    
                  
                  +
                  
                    
                      m
                      ~
                    
                    
                      k
                      ,
                      
                        H
                        Θ
                      
                    
                  
                
                )
              
            
          
        
        ]
      
      
        -
        1
      
    
  

and obtaining a comprehensive diagnosis result after normalized processing:, {
          
            H
            l
          
          }
        
        :
        
          β
          l
        
      
      =
      
        
          m
          l
        
        
          1
          -
          
            
              m
              _
            
            
              H
              Θ
            
          
        
      
    
    ,
    
      l
      =
      1
    
    ,
    …
    ⁢
    
      
    
    ,
    N
  

  
    
      
        
          {
          
            H
            Θ
          
          }
        
        :
        
          β
          Θ
        
      
      =
      
        
          
            m
            ~
          
          
            H
            Θ
          
        
        
          1
          -
          
            
              m
              _
            
            
              H
              Θ
            
          
        
      
    
    ,
    
      l
      =
      1
    
    ,
    …
    ⁢
    
      
    
    ,
    N
  

wherein for each state Θ={H1, H2, . . . , Hl, . . . , HN, HΘ} of the identification framework, the final diagnosis result is: {β1, β2, . . . , βl, . . . , βN, βΘ}, where βΘ represents a degree of uncertainty.