Patent ID: 11941979
Assignee: ZHEJIANG LAB
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 3:
4. The traffic light control method for an urban road network based on expected return estimation according to claim 1, wherein in step (3.1), the time that the vehicle needs to travel to reach the intersection is calculated as follows:, remain
   
    t
    ⁢
    i
    ⁢
    m
    ⁢
    e
   
  
  =
  
   {
   
    
     
      
       
        
         
          -
          v
         
         +
         
          
           
            v
            2
           
           +
           
            2
            ⁢
            a
            *
            d
           
          
         
        
        a
       
       ,
      
     
     
      
       
        
         
          V
          2
         
         -
         
          v
          2
         
        
        
         2
         *
         a
        
       
       ≥
       d
      
     
    
    
     
      
       
        
         
          V
          -
          v
         
         a
        
        +
        
         d
         V
        
        -
        
         
          
           V
           2
          
          -
          
           v
           2
          
         
         
          2
          *
          a
          *
          v
         
        
       
       ,
      
     
     
      
       
        
         
          V
          2
         
         -
         
          v
          2
         
        
        
         2
         *
         a
        
       
       <
       d
      
     
    
   
  
 

Where remaintime represents the time that the vehicle needs to travel to reach the intersection, v is the driving speed, a is the acceleration, and V is the maximum speed limit of a road where the vehicle is located; and wherein when remaintime is less than the green light duration, the vehicle is capable of passing the current intersection.