Novel strategy based on improved Kalman filter algorithm for state of health evaluation of hybrid electric vehicles Li-ion batteries during short- and longer term operating conditions

Author(s):  
Pu Ren ◽  
Shunli Wang ◽  
Mingfang He ◽  
Wen Cao
2019 ◽  
Vol 118 ◽  
pp. 02025 ◽  
Author(s):  
Kaihui Feng ◽  
Bibin Huang ◽  
Qionghui Li ◽  
Hu Yan

The purpose of this paper is to discuss how to eliminate the influence of noise time -varying characteristics on the accuracy of SOC estimation. Based on the matlab/simulink platform, the Thevenin equivalent circuit model of the battery is built, and an improved Adaptive Extend Kalman Filter (AEKF) is designed, which is compared with the Extend Kalman filter algorithm (EKF).The simulation results are shown that the improved AEKF algorithm results in effective online estimation SOC and the estimation accuracy is higher than the EKF algorithm.


Energies ◽  
2020 ◽  
Vol 13 (12) ◽  
pp. 3230 ◽  
Author(s):  
Fernando Ortenzi ◽  
Natascia Andrenacci ◽  
Manlio Pasquali ◽  
Carlo Villante

The objective proposed by the EU to drastically reduce vehicular CO2 emission for the years up to 2030 requires an increase of propulsion systems’ efficiency, and accordingly, the improvement their technology. Hybrid electric vehicles could have a chance of achieving this, by recovering energy during braking phases, running in pure electric mode and allowing the internal combustion engine to operate under better efficiency conditions, while maintaining traditionally expected vehicle performances (mileage, weight, available on-board volume, etc.). The energy storage systems for hybrid electric vehicles (HEVs) have different requirements than those designed for Battery Electric Vehicles (BEVs); high specific power is normally the most critical issue. Using Li-ion Batteries (LiBs) in the designing of on-board Energy Storage Systems (ESS) based only on power specifications gives an ESS with an energy capacity which is sufficient for vehicle requirements. The highest specific power LiBs are therefore chosen among those technologically available. All this leads to an ESS design that is strongly stressed over time, because current output is very high and very rapidly varies, during both traction and regeneration phases. The resulting efficiency of the ESS is correspondingly lowered, and LiBs lifetime can be relevantly affected. Such a problem can be overcome by adopting hybrid storage systems, coupling LiBs and UltraCapacitors (UCs); by properly dimensioning and controlling the ESS’ components, in fact, the current output of the batteries can be reduced and smoothed, using UCs during transients. In this paper, a simulation model, calibrated and validated on an engine testbed, has been used to evaluate the performances of a hybrid storage HEV microcar under different operative conditions (driving cycles, environment temperature and ESS State of Charge). Results show that the hybridization of the powertrain may reduce fuel consumption by up to 27%, while LiBs lifetime may be more than doubled.


2014 ◽  
Author(s):  
Ehsan Samadani ◽  
Leo Gimenez ◽  
William Scott ◽  
Siamak Farhad ◽  
Michael Fowler ◽  
...  

Author(s):  
Pawan Maske ◽  
◽  
Arvind Chel ◽  
Pradeep K. Gopal ◽  
Geetanjali Kaushik ◽  
...  

Vehicles running on fossil fuel are creating a threat to the environment by emitting pollutants such as carbon monoxide, carbon dioxide and sulfur and nitrogen oxides into the environment. Electric vehicles and hybrid electric vehicles provide a perennial solution to this problem and since the utilization of renewables for charging, the market is on verge of electric vehicle revolution. Electric propulsion systems can also be used in heavy transport vehicles, thus transitioning them to electric. This paper puts forth an overview of the electric vehicles for transportation of masses and freight across the globe and emphasis on the battery charging infrastructures. Recent trends and advancements in electric vehicle batteries are discussed briefly, along with sustainability in Li-ion batteries and its materials; moreover, a comparative study of different electric vehicles available in the Indian market is done. Similarly, the incentives offered by government, challenges faced by these vehicles and future development areas are conversed at the end of the paper.


2012 ◽  
Vol 528 ◽  
pp. 202-205 ◽  
Author(s):  
Guang Jin Zhao ◽  
Wen Long Wu ◽  
Wu Bin Qiu ◽  
Shao Lin Liu ◽  
Gang Wang

This manuscript introduces and reviews the background, necessity, opportunities, and recent research progresses for investigating and applying the secondary use of plug-in hybrid electric vehicles (PHEVs) and electric vehicles (EVs) lithium-ion (Li-ion) batteries in stationary applications. And the motivation, objective, and plans of our PHEV/EV lithium-ion battery secondary-use program are also described in detail.


Energy ◽  
2015 ◽  
Vol 86 ◽  
pp. 638-648 ◽  
Author(s):  
Junfu Li ◽  
Lixin Wang ◽  
Chao Lyu ◽  
Liqiang Zhang ◽  
Han Wang

Sign in / Sign up

Export Citation Format

Share Document