電池面試 - Literature review

  1. image.png

key words:

terminal voltage 外接電壓
capacitance 電容
resistance 電阻
electrolyte 電解質(zhì)
electrice current 電流
solid-electrolyte interphase 固體電解質(zhì)

Strong influences on terminal voltage

  1. Temperature
  2. SOC
  3. Precondition
  4. Age (calendric/ cyclic)
  5. HAVC Usage (Heating, ventilation, aircondition)
  6. DOD, depth of charge

historical data, road profile (urban, intercity),
traffic congestion level, driver behaviour (i.e. aggressiveness),
environmental conditions (i.e. weather conditions), dynamic
vehicle parameters (i.e. SOC, SOH) and accessory loads (i.e. heating,
cooling

Many different cell
NMC\LFP\LTO

NN/ stochastic model/ Fuzzy-Logic

Pro: Little Knowledge about BMS, computational performance
Con: non-explainable, not for all batteries/ comprehensive measurement

Modeling approach

pro: computational performance, sufficient precisions, partly physical meaning
con: leaner model (U and I )

1. H.A. Yavasoglu

ML Predict Driving Range

  • DT for road type
  • ANN for range estimation (Use ann because the update ability)
image.png

conventional multiple linear regression method
gradient boosting decision tree algorithm

  • residual usable energy (RUE)

SOC(state of charge) , SOH (state of health), temperature,
future discharge voltage
capacity values

image.png

Implementation of machine learning-based real-time range estimation method without destination knowledge for BEVs

phrase exp
Range Anxiety 里程焦慮
velocity speed
jerk change of acceleration

2. Compare different algorithms Delnevo*

image.png

3 State-of-Charge Estimation Methods for Li-ion Batteries in Electric Vehicles

image.png

To estimate SOC, there are three methods

All about the SOC

image.png
image.png
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