Simulation and experimental validation of a hybrid forklift truck

Li, J.; Lutzemberger, Giovanni; Poli, Davide; Scarpelli, Claudio; Piazza, Tommaso

doi:10.23919/eeta.2019.8804562

Cited by 4 publications

(4 citation statements)

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“…An electric energy recovery system for an electro-hydraulic forklift is studied in [326]. Besides full-electric forklifts, in the literature can also be found research regarding hybrid forklifts, with the hybridization of diesel forklifts being studied in [327] and simulation and experimental validation of a hybrid forklift being presented in [328].…”

Section: Electric Pallet Trucks and Forkliftsmentioning

confidence: 99%

A Review on Power Electronics Technologies for Electric Mobility

et al. 2020

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Concerns about greenhouse gas emissions are a key topic addressed by modern societies worldwide. As a contribution to mitigate such effects caused by the transportation sector, the full adoption of electric mobility is increasingly being seen as the main alternative to conventional internal combustion engine (ICE) vehicles, which is supported by positive industry indicators, despite some identified hurdles. For such objective, power electronics technologies play an essential role and can be contextualized in different purposes to support the full adoption of electric mobility, including on-board and off-board battery charging systems, inductive wireless charging systems, unified traction and charging systems, new topologies with innovative operation modes for supporting the electrical power grid, and innovative solutions for electrified railways. Embracing all of these aspects, this paper presents a review on power electronics technologies for electric mobility where some of the main technologies and power electronics topologies are presented and explained. In order to address a broad scope of technologies, this paper covers road vehicles, lightweight vehicles and railway vehicles, among other electric vehicles.

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Section: Electric Pallet Trucks and Forkliftsmentioning

confidence: 99%

A Review on Power Electronics Technologies for Electric Mobility

et al. 2020

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“…For battery and supercapacitor weight estimation, an additional 40% ratio [53] is added to take into account the weight of the packaging and associated electronics. See Equations (10) and (17).…”

Section: Sizing Of the Supercapacitormentioning

confidence: 99%

“…However, for indoor applications and Industry 4.0 requirements, zero-emissions is mandatory. Therefore, electrical forklifts are widely used these past few years [10,11]. They also provide very high torque, low speed and zero noise pollution thanks to the electric motor [11].…”

Section: Introductionmentioning

confidence: 99%

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Sizing of Lithium-Ion Battery/Supercapacitor Hybrid Energy Storage System for Forklift Vehicle

et al. 2020

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Nowadays, electric vehicles are one of the main topics in the new industrial revolution, called Industry 4.0. The transport and logistic solutions based on E-mobility, such as handling machines, are increasing in factories. Thus, electric forklifts are mostly used because no greenhouse gas is emitted when operating. However, they are usually equipped with lead-acid batteries which present bad performances and long charging time. Therefore, combining high-energy density lithium-ion batteries and high-power density supercapacitors as a hybrid energy storage system results in almost optimal performances and improves battery lifespan. The suggested solution is well suited for forklifts which continuously start, stop, lift up and lower down heavy loads. This paper presents the sizing of a lithium-ion battery/supercapacitor hybrid energy storage system for a forklift vehicle, using the normalized Verein Deutscher Ingenieure (VDI) drive cycle. To evaluate the performance of the lithium-ion battery/supercapacitor hybrid energy storage system, different sizing simulations are carried out. The suggested solution allows us to successfully optimize the system in terms of efficiency, volume and mass, in regard to the battery, supercapacitors technology and the energy management strategy chosen.

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