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Development of an energy saving electric excavator
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Yoon, Jong Il, Truong, Dinh Quang and Ahn, Kyoung Kwan (2011) Development of an energy saving electric excavator. In: 8th JFPS international Symposium on Fluid Power, Okinawa, Japan, 25-28 Oct 2011. Published in: Proceedings of the 8th JFPS International Symposium on Fluid Power pp. 426-432. ISBN 4930170086.
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Official URL: http://www.jfps.jp/proceedings/okinawa2011/pdf/2A4...
Abstract
This paper is to propose a new type of excavator - electric excavator (ELEX) - with energy saving capacity using six quasi independent electro-hydraulic actuators (EHAs). The quasi-independent configuration minimizes hydraulic interferences among the actuators and losses which occur in HYEXs. In addition, the potential energy accumulated at
"up" positions can be recuperated and converted into electric energy when the boom/arm/or bucket goes down, respectively. Kinetic energy of the upper slewing body also can be recovered and converted into electric energy when a slewing stop happens. A 5-ton excavator including a hybrid boom system (HBS) is analyzed, developed as an
experimental ELEX (EELEX) with its validation model for evaluating the proposed ELEX. A control strategy for the 5 ton EELEX is built to operate the machine to follow desired performances. Performance of the EELEX is clearly verified through simulations and experiments in comparison with the conventional 5 ton HYEX.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Proceedings of the 8th JFPS International Symposium on Fluid Power | ||||
| Publisher: | JFPS | ||||
| ISBN: | 4930170086 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Page Range: | pp. 426-432 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 8th JFPS international Symposium on Fluid Power | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Okinawa, Japan | ||||
| Date(s) of Event: | 25-28 Oct 2011 | ||||
| Related URLs: |
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