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Simulink  Ȱ ùķ̼   ̺긮  ȭн


SMART
 

Simulink Ȱ ùķ̼ ̺긮 ȭн

Zehui Kong, Yuan Zou, Teng Liu |

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2020-07-13
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To further improve the fuel economy of series hybrid electric tracked vehicles, a
reinforcement learning (RL)-based real-time energy management strategy is
developed in this paper. In order to utilize the statistical characteristics of online
driving schedule effectively, a recursive algorithm for the transition probability
matrix (TPM) of power-request is derived. The reinforcement learning (RL) is
applied to calculate and update the control policy at regular time, adapting to the
varying driving conditions. A facing-forward powertrain model is built in detail,
including the engine-generator model, battery model and vehicle dynamical model.
The robustness and adaptability of real-time energy management strategy are
validated through the comparison with the stationary control strategy based on
initial transition probability matrix (TPM) generated from a long naturalistic
driving cycle in the simulation.
Results indicate that proposed method has better fuel economy than stationary one
and is more effective in real-time control.

1 : SIMULINK ⺻
1.1 SIMULINK 1
5
Ķ 7
ùķ̼ Ķ (Configuration Parameters) 8
ùķ̼ 9
Ķ ǥ 9
ǥ 11
2.2 ùķ̼ 13
̺й 17
º 23
DC ùķ̼ 24
Լ 29
й(difference equation) 𵨸 34
Subsystem(νý) 37

2 :

1. Introduction 41
2. Modelling of hybrid electric tracked vehicle 43
3. Real-time energy management strategy 45
4. RL-based Real-time energy management strategy 46
5. Simulation and validation 48
6. Conclusion 51
7. References 55

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