Energy-saving Optimization of the Hydraulic System for Battery-powered Underground Loaders Based on Boom Potential Energy Recovery
Year: 2025
Type: article
Abstract: Battery-powered underground loaders are increasingly used for their zero emissions and high mobility, but suffer from significant hydraulic energy losses, especially the wasted potential energy during boom lowering.This study targets a 3m³ battery-powered loader, modeling its hydraulic system based on typical "L"-shaped loading paths to identify energy-saving opportunities.A novel accumulator-based energy recovery circuit is proposed and evaluated using AMESim simulations.Results show that with a 7.3 MPa pre-charge pressure and 40 L accumulator, energy consumption is reduced by 23.58%.Prototype tests confirm a 22.75% recovery efficiency, with simulation and experimental results differing by less than 3%.This validates the proposed system as an effective solution to improve energy efficiency in green mining equipment.
Language: English
Subfield: Mechanical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W4414428466
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