JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2015, Vol. 45 ›› Issue (5): 82-87.doi: 10.6040/j.issn.1672-3961.0.2015.095

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Construction and analysis on typical working cycle of wheel loader

MA Xiangming, SUN Xia, ZHANG Qiang   

  1. School of Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China
  • Received:2014-04-07 Revised:2015-06-23 Online:2018-10-20 Published:2014-04-07

Abstract: In order to obtain more precise operating parameters of typical working cycle and simulate the fuel consumption, a constructing method of typical working cycle for wheel loader was proposed based on kinetic sequences and operating characteristics. Thirteen characteristic parameters, including speed-torque area etc., were defined to evaluate the variation of operating parameters during working process. Meanwhile, the kinetic sequences were classified into five clusters by the adoption of the Principal Component Analysis and fuzzy C-means algorithm. Afterwards, the sequences with minimum Euclidean distance in each cluster were selected to constitute the typical working cycle. The results showed that parameters of the test condition and the typical working cycle, such as acceleration and speed, had the similar distribution; fuel consumption based on the typical working cycle simulation was 0.176 L with an error of 4.7%, which was within the scope of the engineering allowable error. The proposed method could be effectively employed to process and analyze the test data of wheel loader and construct the typical working cycle, which was also greatly helpful to further study the fuel economy of loader working cycle.

Key words: loader, typical working cycle, eigenvalue, principal component analysis, cluster analysis

CLC Number: 

  • TK427
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