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Interval type 2 fuzzy PI-enhanced state space model for battery management in battery electric utility vehicles operating in an indoor logistics environment

Arun Kumar R., Sankar Ganesh R.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2024

Vol. 72, nr 4

art. no. e150330

This research presents an advanced control approach for battery management in battery electric utility vehicles (BEUV) operating in indoor logistics environments. The proposed approach utilizes a combination of proportional-integral (PI), fuzzy PI, and interval type 2 fuzzy PI (IT2fuzzyPI) control structures to augment the state space model for battery management. The state space model incorporates the voltage and current of each battery cell as state variables and considers the current demand from the electric motor as an input. By integrating fuzzy logic with PI control and considering uncertainty, the IT2fuzzyPI structure offers improved control recital and system robustness in the occurrence of nonlinearities, uncertainties, and turbulences. The outcomes of the simulation validate the effectiveness of the proposed scheme in managing the battery pack system’s state of charge and controlling the rates of charging and discharging. The IT2fuzzyPI control significantly improves the overall proficiency and longevity of the battery system, making it suitable for battery electric utility vehicles in logistics environments. This research contributes to the field of battery management systems, providing a valuable tool for designing and evaluating high-performance electric vehicles with enhanced control capabilities.

Management system for electric vehicle battery pack

Łebkowski A.

Przegląd Elektrotechniczny

2017

R. 93, nr 9

46--53

Electric vehicles (EVs) emerged as a next step in the evolution of transport technology. The article describes structure of system used for optimal management and monitoring of electric vehicle parameters, especially in regions of low possible ambient temperature. System can be used in all types of electric vehicles, such as: cars, ATVs, motorbikes, scooters, bicycles or boats. Application of GSM/GPS technologies allows remote monitoring of state and management of vehicle battery thermal aids (increasing battery performance and longevity while reducing operating costs) as well as control of vehicle to grid and grid to vehicle energy flow in smart grid systems. System functions were tested on an electric vehicle in normal road conditions at a period of ambient temperature reaching -25°C (-13°F). Article contains road tests results along with comments on possible benefits that may be derived from the application of the system in practice.

Pojazdy elektryczne stanowią następny krok w ewolucji technologii transportu. Artykuł przedstawia strukturę systemu do optymalnego zarządzania i monitorowania parametrów pojazdu elektrycznego, szczególnie w warunkach niskiej temperatury otoczenia. Typy obsługiwanych pojazdów obejmują samochody, quady, motocykle, skutery, rowery elektryczne oraz łodzie. Zastosowanie technologii GSM i GPS umożliwia zdalny monitoring i zarządzanie modułem ogrzewania akumulatorów a także kontrolę przepływu energii z sieci do baterii I baterii do sieci (smart grid). Funkcje systemu zostały przetestowane w warunkach drogowych przy temperaturach dochodzących do -25°C. Artykuł zawiera wyniki badań wraz z omówieniem potencjalnych korzyści wynikających z zastosowania opisanego systemu.