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Detailed experimental comparison of energy efficiency between proportional and direct driven hydraulic system (CROSBI ID 326498)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Benić, Juraj ; Brezak, Danko ; Šitum, Željko ; Kolar, Davor ; Lisjak, Dragutin Detailed experimental comparison of energy efficiency between proportional and direct driven hydraulic system // Results in engineering, 18 (2023), 101178, 7. doi: 10.1016/j.rineng.2023.101178

Podaci o odgovornosti

Benić, Juraj ; Brezak, Danko ; Šitum, Željko ; Kolar, Davor ; Lisjak, Dragutin

engleski

Detailed experimental comparison of energy efficiency between proportional and direct driven hydraulic system

This paper investigates the energy efficiency of a Direct Driven Hydraulic (DDH) system and a proportional electrohydraulic system. A detailed analysis of their energy efficiency is carried out based on experimental results obtained in laboratory conditions using a fully loaded cylinder and sine wave reference trajectory. To ensure fairness in the testing process, the same cylinder with the same initial conditions is used for both systems. The cylinder velocity is estimated online using a novel algebraic differentiator approach based on measured cylinder position. The power of each component is calculated from the obtained measurements, and the energy efficiency of the system is given, along with the losses for each component. Based on the obtained results, it is concluded that the efficiency of the DDH system with a fully loaded cylinder is 28%, while that of the proportional electrohydraulic system is 4%. The significantly higher energy efficiency of the DDH system is attributed to its use of a power-on-demand approach, in contrast to the proportional electrohydraulic system.

Energy efficiency ; Direct driven hydraulics ; Proportional hydraulics ; Algebraic differentiator

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Podaci o izdanju

18

2023.

101178

7

objavljeno

2590-1230

10.1016/j.rineng.2023.101178

Povezanost rada

Strojarstvo

Poveznice
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