Article | 13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden | Measurements and Simulations to Evaluate Strategies for Improved Energy Efficiency of a Reach Stacker; Forwarder and Wheel Loader
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Title:
Measurements and Simulations to Evaluate Strategies for Improved Energy Efficiency of a Reach Stacker; Forwarder and Wheel Loader
Author:
Olof Noréus: ITH, Institute of Applied Hydraulics, √Ėrnsk√∂ldsvik, Sweden Magnus Hägglund: ITH, Institute of Applied Hydraulics, √Ėrnsk√∂ldsvik, Sweden Mats Emlén: ITH, Institute of Applied Hydraulics, √Ėrnsk√∂ldsvik, Sweden
DOI:
10.3384/ecp1392a31
Download:
Full text (pdf)
Year:
2013
Conference:
13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden
Issue:
092
Article no.:
031
Pages:
319-325
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2013-09-09
ISBN:
978-91-7519-572-8
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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As the boom on for example a conventional reach stacker; a forwarder or a wheel loader is retracted and lowered; the entire potential energy of the boom and the load is wasted and converted into fluid heat in the control valves. To reduce the energy consumption and power installation requirements; one possible solution is to compensate for the empty weight; for example by utilising a spring or gas accumulator. By integrating a gas accumulator into the piston rod of the boom cylinder; it is possible to improve the energy efficiency on existing equipment just by changing the boom cylinder.

A number of load handling sequences have been simulated in SimulationX software using a conventional hydraulic reach stacker load handling simulation model and simulation results have been compared to measurements. The simulation results show a good overall compliance with reality. The simulation model can provide detailed information about how large the losses are in different components of the system. By modifying the model and utilise the measured data to get a relevant loading cycle; it is possible to evaluate strategies for improved energy efficiency. Performed simulations indicate that it is possible to further improve the energy efficiency of the system by adding a cylinder and accumulator to recuperate energy when lowering the boom

Keywords: Energy Efficient Hydraulics; Mobile Load Handling; Crane; Reach Stacker

13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Olof Noréus, Magnus Hägglund, Mats Emlén
Title:
Measurements and Simulations to Evaluate Strategies for Improved Energy Efficiency of a Reach Stacker; Forwarder and Wheel Loader
DOI:
http://dx.doi.org/10.3384/ecp1392a31
References:

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13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Olof Noréus, Magnus Hägglund, Mats Emlén
Title:
Measurements and Simulations to Evaluate Strategies for Improved Energy Efficiency of a Reach Stacker; Forwarder and Wheel Loader
DOI:
http://dx.doi.org/10.3384/ecp1392a31
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