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Secondary control in construction machinery: Design and evaluation of an excavator swing drive
Linköping University, Department of Management and Engineering, Fluid and Mechanical Engineering Systems . Linköping University, The Institute of Technology.
2009 (English)Conference paper, Published paper (Refereed)
Abstract [en]

To increase energy efficiency in construction machinery, energy recuperation systems are of great interest. For this purpose, the potential of using a secondary controlled excavator swing drive has been evaluated. Concepts for emergency brake operation and circuit architecture have been designed and compared in simulation. A wheel excavator has been considered as reference vehicle and dimensioning of the secondary controlled drive has been made to match the performance during a typical duty cycle. It has been shown that considerable energy savingscan be achieved in both open and closed circuit. The potential of the secondary controlled swing in comparison with a hybrid solution lies however in minimising the parasitic losses ofthe hydraulic circuit. A possible decreased energy consumption of up to 60 % for the swing drive can then be achieved by the recuperated energy.

Place, publisher, year, edition, pages
Linköping, 2009.
Keyword [en]
Secondary Control, Energy Recuperation, Excavator, Swing Drive
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-52645OAI: oai:DiVA.org:liu-52645DiVA: diva2:284408
Conference
The 11th Scandinavian International Conference on Fluid Power
Available from: 2010-01-07 Created: 2010-01-07 Last updated: 2010-02-08

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Pettersson, Karl

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