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author:

Quan, Shengwei (Quan, Shengwei.) [1] | He, Hongwen (He, Hongwen.) [2] | Chen, Jinzhou (Chen, Jinzhou.) [3] | Zhang, Zhendong (Zhang, Zhendong.) [4] | Han, Ruoyan (Han, Ruoyan.) [5] | Wang, Ya-Xiong (Wang, Ya-Xiong.) [6] (Scholars:王亚雄)

Indexed by:

EI Scopus SCIE

Abstract:

Fuel cell lifetime is strongly affected by dynamic conditions. Most existing energy management works only focus on the fuel cell durability protection from the perspective of output power slope, without deeply considering the influence of the important parameters inside the stack. However, considering the variation of stack internal parameters (mechanism analysis) is more significant for fuel cell lifetime evaluation. In this paper, a health -aware model predictive control (HA-MPC) energy management strategy is proposed for fuel cell electric vehicle. A fuel cell health state model is established from the perspective of stack hydrogen excess ratio (HER), oxygen excess ratio (OER) and humidity through the hybrid modeling method. The fuel cell mechanism model and the low-dimensional data-driven model are established through the grey-box model estimation method and genetic algorithm-based radial basis function (GA-RBF) neural network. Then the objective function of energy management strategy is developed considering the total equivalent hydrogen consumption and stack improper parameter changes of HER, OER and humidity. Comparing with model predictive control strategy based on the typical power cost function, the HA-MPC can effectively reduce the steep drop of HER and OER in low power region by 3.58% and 4.41%, which can protect the fuel cell system lifetime.

Keyword:

Energy management strategy Fuel cell degradation Fuel cell electric vehicle Health-aware Hybrid model Model predictive control

Community:

  • [ 1 ] [Quan, Shengwei]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 2 ] [He, Hongwen]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 3 ] [Chen, Jinzhou]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 4 ] [Zhang, Zhendong]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 5 ] [Han, Ruoyan]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 6 ] [Wang, Ya-Xiong]Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
  • [ 7 ] [Wang, Ya-Xiong]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China

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Source :

ENERGY

ISSN: 0360-5442

Year: 2023

Volume: 278

9 . 0

JCR@2023

9 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:35

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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