Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity

Extreme ambient temperatures cause electric vehicles’ batteries to deteriorate and have a major impact on driving range, which is a barrier for mass production of electric vehicles. Recently, much research on the optimized temperature of the battery and energy management of an electric ve...

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Main Authors: Xinyu Piao, Xiangfei Wang, Kyoungseok Han
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9576057/
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author Xinyu Piao
Xiangfei Wang
Kyoungseok Han
author_facet Xinyu Piao
Xiangfei Wang
Kyoungseok Han
author_sort Xinyu Piao
collection DOAJ
description Extreme ambient temperatures cause electric vehicles’ batteries to deteriorate and have a major impact on driving range, which is a barrier for mass production of electric vehicles. Recently, much research on the optimized temperature of the battery and energy management of an electric vehicle has been conducted, but the vehicle-level optimization (i.e., vehicle speed and position optimizations) has not yet been considered together. This paper proposes a hierarchical model predictive control structure for vehicle-level and electric powertrain-level optimizations simultaneously. Specifically, using vehicle communication technologies to forecast future traffic, the required vehicle traction power coupled with battery dynamics can be predicted, and this predicted traction power is used when designing the thermal control of the battery. Furthermore, the computationally tractable control could be designed for real-time application through decoupling the vehicle and battery dynamics. The simulation results under highway and urban driving conditions show the efficacy of our approach by comparing the battery energy consumption with that of the baseline methodology, i.e., conventional control.
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spelling doaj.art-8acfe0d889854af9b03cfc7008eccbce2022-12-21T21:48:21ZengIEEEIEEE Access2169-35362021-01-01914137814138810.1109/ACCESS.2021.31204069576057Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle ConnectivityXinyu Piao0Xiangfei Wang1Kyoungseok Han2https://orcid.org/0000-0002-4986-2053School of Mechanical Engineering, Kyungpook National University, Daegu, South KoreaSchool of Mechanical Engineering, Kyungpook National University, Daegu, South KoreaSchool of Mechanical Engineering, Kyungpook National University, Daegu, South KoreaExtreme ambient temperatures cause electric vehicles’ batteries to deteriorate and have a major impact on driving range, which is a barrier for mass production of electric vehicles. Recently, much research on the optimized temperature of the battery and energy management of an electric vehicle has been conducted, but the vehicle-level optimization (i.e., vehicle speed and position optimizations) has not yet been considered together. This paper proposes a hierarchical model predictive control structure for vehicle-level and electric powertrain-level optimizations simultaneously. Specifically, using vehicle communication technologies to forecast future traffic, the required vehicle traction power coupled with battery dynamics can be predicted, and this predicted traction power is used when designing the thermal control of the battery. Furthermore, the computationally tractable control could be designed for real-time application through decoupling the vehicle and battery dynamics. The simulation results under highway and urban driving conditions show the efficacy of our approach by comparing the battery energy consumption with that of the baseline methodology, i.e., conventional control.https://ieeexplore.ieee.org/document/9576057/Battery electric vehiclebattery thermal managementconnected and automated vehiclemodel predictive controlenergy-efficient driving
spellingShingle Xinyu Piao
Xiangfei Wang
Kyoungseok Han
Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
IEEE Access
Battery electric vehicle
battery thermal management
connected and automated vehicle
model predictive control
energy-efficient driving
title Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
title_full Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
title_fullStr Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
title_full_unstemmed Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
title_short Hierarchical Model Predictive Control for Optimization of Vehicle Speed and Battery Thermal Using Vehicle Connectivity
title_sort hierarchical model predictive control for optimization of vehicle speed and battery thermal using vehicle connectivity
topic Battery electric vehicle
battery thermal management
connected and automated vehicle
model predictive control
energy-efficient driving
url https://ieeexplore.ieee.org/document/9576057/
work_keys_str_mv AT xinyupiao hierarchicalmodelpredictivecontrolforoptimizationofvehiclespeedandbatterythermalusingvehicleconnectivity
AT xiangfeiwang hierarchicalmodelpredictivecontrolforoptimizationofvehiclespeedandbatterythermalusingvehicleconnectivity
AT kyoungseokhan hierarchicalmodelpredictivecontrolforoptimizationofvehiclespeedandbatterythermalusingvehicleconnectivity