Excavator hydraulic circuit solution to reduce dissipations and fuel consumption

In the field of mobile machine the research is mainly focused on solutions to reduce the energy dissipations and fuel consumptions being these machines mainly equipped with Diesel engines. This paper presents a solution for improving the performance of a traditional Load sensing flow sharing circuit...

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Autores principales:	Casoli Paolo, Scolari Fabio, Vescovini Carlo Maria, Mesturini Davide, Zannoni Filippo
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/698575502e0c43bca95ecd45867d55aa
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spelling	oai:doaj.org-article:698575502e0c43bca95ecd45867d55aa2021-11-08T15:18:51ZExcavator hydraulic circuit solution to reduce dissipations and fuel consumption2267-124210.1051/e3sconf/202131205004https://doaj.org/article/698575502e0c43bca95ecd45867d55aa2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/88/e3sconf_ati2021_05004.pdfhttps://doaj.org/toc/2267-1242In the field of mobile machine the research is mainly focused on solutions to reduce the energy dissipations and fuel consumptions being these machines mainly equipped with Diesel engines. This paper presents a solution for improving the performance of a traditional Load sensing flow sharing circuit. The solution concerns the insertion of a Load sensing signal conditioner (LSc), developed by Walvoil S.p.A., that permits to dynamically change the pressure drop across the directional valves. A careful control of this new component permits to obtain a reduction of the fuel consumption without changing the performance of the machine taking as reference a JCMAS duty cycle. This paper presents the mathematical model of a 9 ton excavator that was previously validated with tests carried out on both the single hydraulic and the excavator main components like pump and flow sharing valves. The LSc model was developed and added to the traditional hydraulic circuit. The model of the excavator hydraulic circuit with this new component has permitted to simulate the energy saving achievable in comparison with the traditional solution. The paper presents the relevance of a carefully control of this new device in order to maximize the performance. The physical prototyping of this device has been already developed and will be installed in a mobile machine to confirm the simulated performance.Casoli PaoloScolari FabioVescovini Carlo MariaMesturini DavideZannoni FilippoEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 312, p 05004 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Casoli Paolo Scolari Fabio Vescovini Carlo Maria Mesturini Davide Zannoni Filippo Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
description	In the field of mobile machine the research is mainly focused on solutions to reduce the energy dissipations and fuel consumptions being these machines mainly equipped with Diesel engines. This paper presents a solution for improving the performance of a traditional Load sensing flow sharing circuit. The solution concerns the insertion of a Load sensing signal conditioner (LSc), developed by Walvoil S.p.A., that permits to dynamically change the pressure drop across the directional valves. A careful control of this new component permits to obtain a reduction of the fuel consumption without changing the performance of the machine taking as reference a JCMAS duty cycle. This paper presents the mathematical model of a 9 ton excavator that was previously validated with tests carried out on both the single hydraulic and the excavator main components like pump and flow sharing valves. The LSc model was developed and added to the traditional hydraulic circuit. The model of the excavator hydraulic circuit with this new component has permitted to simulate the energy saving achievable in comparison with the traditional solution. The paper presents the relevance of a carefully control of this new device in order to maximize the performance. The physical prototyping of this device has been already developed and will be installed in a mobile machine to confirm the simulated performance.
format	article
author	Casoli Paolo Scolari Fabio Vescovini Carlo Maria Mesturini Davide Zannoni Filippo
author_facet	Casoli Paolo Scolari Fabio Vescovini Carlo Maria Mesturini Davide Zannoni Filippo
author_sort	Casoli Paolo
title	Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
title_short	Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
title_full	Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
title_fullStr	Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
title_full_unstemmed	Excavator hydraulic circuit solution to reduce dissipations and fuel consumption
title_sort	excavator hydraulic circuit solution to reduce dissipations and fuel consumption
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/698575502e0c43bca95ecd45867d55aa
work_keys_str_mv	AT casolipaolo excavatorhydrauliccircuitsolutiontoreducedissipationsandfuelconsumption AT scolarifabio excavatorhydrauliccircuitsolutiontoreducedissipationsandfuelconsumption AT vescovinicarlomaria excavatorhydrauliccircuitsolutiontoreducedissipationsandfuelconsumption AT mesturinidavide excavatorhydrauliccircuitsolutiontoreducedissipationsandfuelconsumption AT zannonifilippo excavatorhydrauliccircuitsolutiontoreducedissipationsandfuelconsumption
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Excavator hydraulic circuit solution to reduce dissipations and fuel consumption

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