Patent ID: 11858784
Assignee: TADANO LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. The control system for a crane according to claim 4, wherein the transfer function is expressed by Expression 1 including a low-pass filter that curbs a predetermined frequency component:
[1], (
  
   Expression
   ⁢
      
   1
  
  )
 

 
  
   
    
     
      G
      ⁡
      (
      s
      )
     
     =
     
      
       
        W
        ⁢
        α
        ⁢
        1
       
       s
      
      +
      
       
        W
        ⁢
        α
        ⁢
        2
       
       
        (
        
         
          A
          ⁢
          s
         
         +
         1
        
        )
       
      
      +
      
       
        W
        ⁢
        α
        ⁢
        3
       
       
        (
        
         
          B
          ⁢
          s
         
         +
         1
        
        )
       
      
      +
      
       
        W
        ⁢
        α
        ⁢
        4
       
       
        (
        
         
          C
          ⁢
          s
         
         +
         1
        
        )
       
      
     
    
   
   
    
     (
     1
     )
    
   
  
 

where each of A, B and C is a coefficient, each of wα1, wα2, wα3 and wα4 is a weight coefficient and s is a differentiation element.