Patent ID: 11945335
Assignee: JILIN UNIVERSITY
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 3:
4. The method for characterizing an energy consumption indicator of an EV according to claim 3, wherein the determining a normalized driving feature in each of the test sub-cycles according to the driving feature in each of the test sub-cycles and a base driving feature comprises:
determining a normalized speed intensity according to an equation, I
    spd
    ′
   
   =
   
    
     I
     spd
    
    
     I
     spd
     base
    
   
  
  ;
 

determining a normalized braking intensity according to an equation, I
    brk
    ′
   
   =
   
    
     I
     brk
    
    
     I
     brk
     base
    
   
  
  ;, and
determining a normalized slow-driving intensity according to an equation, I
    slw
    ′
   
   =
   
    
     I
     slw
    
    
     I
     slw
     base
    
   
  
  ,
 

wherein, Ispdbase is a base speed intensity, Ibrkbase is a base braking intensity, Islowbase is a base slow-driving intensity, I′spd is the normalized speed intensity, I′brk is the normalized braking intensity, I′slw is the normalized slow-driving intensity, Ispd is the speed intensity, Ibrk is the braking intensity, and Islw is the slow-driving intensity.