Patent ID: 11914340
Assignee: AAC TECHNOLOGIES PTE. LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  F | IPC F  G  H

Claim 13:
14. The electronic apparatus according to claim 12, wherein the first compensation coefficient is calculated according to the following formula:, α
    ⁡
    (
    x
    )
   
   =
   
    
     b
     ⁡
     (
     0
     )
    
    
     b
     ⁡
     (
     
      x
      1
     
     )
    
   
  
  ;, and
the second compensation coefficient is calculated according to the following formula:, β
   ⁡
   (
   x
   )
  
  =
  
   
    
     -
     
      
       
        k
        ⁡
        (
        0
        )
       
       ⁢
       
        R
        e
       
      
      
       b
       ⁡
       (
       0
       )
      
     
    
    ⁢
    
     x
     1
    
   
   -
   
    
     
      
       
        R
        e
       
       ⁢
       
        
         R
         m
        
        (
        0
        )
       
      
      +
      
       
        k
        ⁡
        (
        0
        )
       
       ⁢
       
        L
        e
       
      
      +
      
       
        b
        2
       
       (
       0
       )
      
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
    
   
   +
   
    
     
      
       
        R
        e
       
       ⁢
       
        mk
        ⁡
        (
        
         x
         1
        
        )
       
      
      +
      
       
        
         R
         m
        
        (
        0
        )
       
       ⁢
       
        L
        e
       
       ⁢
       
        k
        ⁡
        (
        
         x
         1
        
        )
       
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     1
    
   
   +
   
    
     
      
       
        R
        e
       
       ⁢
       
        
         mR
         m
        
        (
        
         x
         1
        
        )
       
      
      +
      
       
        
         R
         m
        
        (
        0
        )
       
       ⁢
       
        L
        e
       
       ⁢
       
        
         R
         m
        
        (
        
         x
         1
        
        )
       
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
    
   
   -
   
    
     
      
       
        R
        e
       
       ⁢
       
        mb
        ⁡
        (
        
         x
         1
        
        )
       
      
      +
      
       
        
         R
         m
        
        (
        0
        )
       
       ⁢
       
        L
        e
       
       ⁢
       
        b
        ⁡
        (
        
         x
         1
        
        )
       
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     3
    
   
   +
   
    
     
      
       k
       ⁡
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      b
      0
     
    
    ⁢
    
     x
     2
    
   
   +
   
    
     
      
       
        k
        x
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     1
    
    ⁢
    
     x
     2
    
   
   +
   
    
     
      
       
        R
        mx
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
     2
    
   
   -
   
    
     
      
       
        b
        x
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
    
    ⁢
    
     x
     3
    
   
   -
   
    
     
      
       
        R
        m
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       k
       ⁡
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     1
    
   
   -
   
    
     
      
       
        R
        m
        2
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
    
   
   +
   
    
     
      
       
        R
        m
       
       (
       
        x
        1
       
       )
      
      ⁢
      
       b
       ⁡
       (
       
        x
        1
       
       )
      
      ⁢
      
       L
       e
      
     
     
      mb
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     3
    
   
   +
   
    
     
      
       b
       2
      
      (
      
       x
       1
      
      )
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     2
    
   
   +
   
    
     
      
       R
       e
      
      ⁢
      
       b
       ⁡
       (
       
        x
        1
       
       )
      
     
     
      b
      ⁡
      (
      0
      )
     
    
    ⁢
    
     x
     3
    
   
  
 

where x1=x, x2={dot over (x)}, x3=i, bx(x)=b1+2b2x+ . . . +nbnxn-1, kx(x)=k1+2k2x+ . . . +nknxn-1, bmx(x)=R1+2R2x+ . . . +nRnxn-1, and Re is a resistance, Le is an inductance, m is a vibrator mass, {dot over (x)} is a vibrator speed, and i is current.