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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 68 / No. 3 / 2022

Pages : 13-20

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ENERGY EFFICIENT DRIVE SYSTEM WITH DIGITAL HYDRAULIC CYLINDER FOR CONSTRUCTION AND AGRICULTURAL MACHINERY

SISTEM DE ACȚIONARE EFICIENT ENERGETIC CU CILINDRU HIDRAULIC DIGITAL PENTRU MAȘINI DE CONSTRUCȚII ȘI AGRICOLE

DOI : https://doi.org/10.35633/inmateh-68-01

Authors

(*) Radu RADOI

Hydraulics and Pneumatics Research Institute INOE 2000-IHP, Bucharest, Romania

Ionel PAVEL

Hydraulics and Pneumatics Research Institute INOE 2000-IHP, Bucharest, Romania

Polifron CHIRITA

Hydraulics and Pneumatics Research Institute INOE 2000-IHP, Bucharest, Romania

Bogdan TUDOR

Hydraulics and Pneumatics Research Institute INOE 2000-IHP, Bucharest, Romania

Vasilica STEFAN

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest, Romania

(*) Corresponding authors:

[email protected] |

Radu RADOI

Abstract

Given the need to reduce greenhouse gas emissions, new energy-efficient solutions can be adopted for construction and agricultural machinery. Such a solution is a digital hydraulic cylinder that uses several active areas and a constant pressure supply with which a gradual variation of the driving force can be obtained. Traditional hydraulic systems have high energy losses due to the need to direct and throttle the flow through different valves. The article presents simulations in the AMESim environment and laboratory experiments of a digital hydraulic cylinder with three active areas. Through numerical simulations, the authors aim to highlight the energy efficiency of a digital hydraulic cylinder compared to a hydraulic cylinder in a conventional drive.

Abstract in Romanian

Având în vedere necesitatea reducerii emisiilor cu efect de seră, se pot adopta noi soluții eficiente energetic pentru utilajele de construcții si agricole. O astfel de solutie este un cilindru hidraulic digital care utilizeaza mai multe suprafete putându-se obtine o variere în trepte a forței de acționare cu presiune de alimentare constantă. Sistemele hidraulice traditionale au pierderi energetice mari din cauza necesității de a directiona și strangula debitul prin diferite valve. In articol se prezinta simulari in mediul AMESim și experimentări de laborator ale unui cilindru hidraulic digital cu trei arii active. Prin simulările numerice autorii iși propun să scoată în evidență eficiența energetică a unui cilindru hidraulic digital față de un cilindru hidraulic dintr-o acționare clasică.

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