Patent ID: 11926356
Assignee: BEIJING HUATIE INFORMATION TECHNOLOGY CORPORATION LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. A multi-train operation trend deduction device, including the scheduling command module and the train operation control system,
the scheduling command module includes:
an acquisition module; configured to receive temporary speed limit information, scheduling information, line information and train status information;
a deduction module; configured to analyze a coupling relationship between a trains traction calculation and an area of space-time scope which is under a temporary speed limit, said area of space-time scope comprising one or more locations and one or more time periods, and calculate a time saving driving strategy of a first train within a time domain; and establish a multi-train operation tracking model under a plurality of different block systems, according to a running position and speed of the first train; and according to temporary speed limit information, determine a driving strategy of a following tracking train, and calculate operation of a plurality of trains;
wherein the multi-train operation tracking model under the plurality of different block systems includes:
a calculation formula of, x
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 and, v
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 under quasi moving block is:, {
     
      
       
        
         
          x
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         
          
           x
           
            g
            ,
            
             τ
             -
             1
            
           
          
          -
          
           L
           train
          
          -
          
           L
           block
          
          -
          
           L
           safe
          
         
        
       
      
      
       
        
         
          v
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         0
        
       
      
     
    
   
   
    
     (
     10
     )
    
   
  
 

a calculation formula of, x
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 and, v
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 under moving block-absolute braking is:, {
     
      
       
        
         
          x
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         
          
           x
           
            g
            ,
            
             τ
             -
             1
            
           
          
          -
          
           L
           train
          
          -
          
           L
           safe
          
         
        
       
      
      
       
        
         
          v
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         0
        
       
      
     
    
   
   
    
     (
     11
     )
    
   
  
 

a calculation formula of, x
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 and, v
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 under moving block-relative braking is:, {
     
      
       
        
         
          x
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         
          
           x
           
            g
            ,
            τ
           
          
          -
          
           L
           train
          
          -
          
           L
           safe
          
         
        
       
      
      
       
        
         
          v
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         0
        
       
      
     
    
   
   
    
     (
     12
     )
    
   
  
 

a calculation formula of, x
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 and, v
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 under virtual marshalling is:, {
     
      
       
        
         
          x
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         
          
           x
           
            g
            ,
            τ
           
          
          -
          
           L
           train
          
          -
          
           L
           safe
          
         
        
       
      
      
       
        
         
          v
          
           
            g
            +
            1
           
           ,
           τ
          
          EOA
         
         =
         
          v
          
           g
           ,
           τ
          
          EOA
         
        
       
      
     
    
   
   
    
     (
     13
     )
    
   
  
 

wherein, x
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 and, v
  
   
    g
    +
    1
   
   ,
   τ
  
  EOA
 

 represent EOA and a speed at the position of the EOA of a train g+1 at the current moment τ respectively,, v
  
   g
   ,
   τ
  
  EOA
 

 represents a speed at a position of the EOA of a train g at the current moment τ, xg,τ, represents a position of a train g at the current moment τ, xg,τ-1 represents a position of the train g at a moment τ−1, Lsafe is a distance of safety protection, Lblock is a distance from the train g ahead to a nearest block district, Ltrain is a length of the train;
a sending module; configured to send the multi-train operation trend to a driving scheduling platform;
wherein the train operation control system is used to control the operation of a plurality of trains according to the multi-train operation trend by imposing an operation constraint on each of the plurality of trains, wherein the operation constraint is configured to limit each of the plurality of trains to a predetermined degree of adjustment of a driving strategy provided by a target speed curve.