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Energy-Saving Approach for Excavator Rotary Start Process Matching Operation Habits

Published: 14 March 2022 Publication History

Abstract

To lessen the overflow losses during excavator rotary start process, which are caused by the unmatched flow rate between the main pump and the swing motor, an energy-saving approach matching operation habits is proposed. The system model of an excavator swing circuit is established and calibrated. The main cause of overflow losses is analyzed through the model. A time delay is added to make the variation of pump displacement lag behind the opening of valve spool, reducing the gap between the flow rate provided by main pump and that required by swing motor, which can decrease the overflow losses by 41.6%. The influence of operation habits and delay time on energy-saving and operation performance is analyzed. The delay time is adjusted according to operation habits, realizing the energy-saving of rotary start matching different operation habits. The energy-saving approach is able to reduce the overflow losses during rotary start process under different operation habits, which is beneficial for improving the efficiency of excavators.

References

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AIAM2021: 2021 3rd International Conference on Artificial Intelligence and Advanced Manufacture
October 2021
3136 pages
ISBN:9781450385046
DOI:10.1145/3495018
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Published: 14 March 2022

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