Patent ID: 11939012
Assignee: DRB INDUSTRIAL CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 14:
15. The system of claim 8, wherein the controller determines whether the tracks are in the dynamic state or the still state according to the following equation:, If
  ,
  
    σ
    =
    
      
        
          
            1
            N
          
          ⁢
          
            
              ∑
              
                i
                =
                1
              
              N
            
            ⁢
            
              
            
            ⁢
            
              
                (
                
                  
                    x
                    i
                  
                  -
                  u
                
                )
              
              2
            
          
        
      
      >
      20
    
  

where N is the number of pieces of data on which determinations have been made, Xi is a measured value of an ith entity, and u is an average of a group.