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10. Internationales Fluidtechnisches
Kolloquium

8. - 10. März | 2016
in Dresden

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Kurzfassung

12:10   ics       Großer Saal

Hydraulic Hybrid Excavator: Layout Definition, Experimental Activity, Mathematical Model Validation and Fuel Consumption Evaluation

First author:
Federico Campanini, Università degli studi di Parma, Italy

Co-author(s):
Luca Riccò, Università degli studi di Parma
Paolo Casoli, Università degli studi di Parma
Antonio Lettini, Casappa S.p.A.
Cesare Dolcin, Walvoil S.p.A.

Abstract:
Energy saving and fuel consumption reduction techniques are among the principal interests for both academic institutions and industries, in particular, system optimization and hybridization. This paper presents a new hydraulic hybrid system layout for mobile machinery implemented on a middle size excavator. The hybridization procedure took advantage of a dynamic programming (DP) algorithm, which was also utilized for the hybrid components dimensioning and control strategy definition. A dedicated experimental activity on test bench was performed on the main components of the energy recovery system (ERS). The JCMAS working cycle was considered as the reference test for a fuel consumption comparison between the standard and the hybrid excavator. A fuel saving up to 8% on the JCMAS cycle, and up to 11% during the digging cycle, have been allowed by the proposed hybrid system.