Engine universal characteristic modeling based on improved ant colony optimization

Authors

  • Chen Fuen School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China;
  • Jiang Shihui School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China;
  • Xie Xin Department of Mechanical Engineering, Oakland University, MI 48309, USA
  • Chen Longhan Department of Mechanical Engineering, Oakland University, MI 48309, USA
  • Lan Yubin College of Engineering, South China Agricultural University, Guangzhou 510642, China

DOI:

https://doi.org/10.25165/ijabe.v8i5.1802

Keywords:

engines, universal characteristics, improved ant colony algorithm, genetic algorithm, cubic surface regression

Abstract

There have been some mathematics methods to model farm vehicle engine universal characteristic mapping (EUCM). Nevertheless, any of different mathematics methods used would possess its own strengths and weaknesses. As a result, these modeling methods about EUCM are not the same among the most vehicle manufacturers. In order to obtain a better robustness EUCM, an improved ant colony optimization was introduced into a traditional cubic surface regression method for modeling EUCM. Based on this method, the test data were regressed into a three-dimensional cubic surface, after that it was cut by some equal specific fuel consumption (ESFC) planes, more than twenty two-dimensional ESFC equations were obtained. Furthermore, the engine speed in every ESFC equation was discretized to obtain a set of ESFC points, and this set of ESFC points was linked into a closed curve by a given sequence via the improved ant colony algorithm. In order to improve the modeling speed, dimensionality reduction and discretization methods were adopted. In addition, a corresponding simulation platform was also developed to obtain an optimal system configuration. There were 48 000 simulation search tests carried out on the platform, and the major parameters of the algorithm were determined. In this way the EUCM was established successfully. In contrast with other methods, as a result of the application of the novel bionic intelligent algorithm, it has better robustness, less distortion and higher calculating speed, and it is available for both gasoline engines and diesel engines. Keywords: engines, universal characteristics, improved ant colony algorithm, genetic algorithm, cubic surface regression DOI: 10.3965/j.ijabe.20150805.1802 Citation: Chen F E, Jiang S H, Xie X, Chen L H, Lan Y B. Engine universal characteristic modeling based on improved ant colony algorithm. Int J Agric & Biol Eng, 2015; 8(5): 26－35.

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Published

2015-10-28

How to Cite

Fuen, C., Shihui, J., Xin, X., Longhan, C., & Yubin, L. (2015). Engine universal characteristic modeling based on improved ant colony optimization. International Journal of Agricultural and Biological Engineering, 8(5), 26–35. https://doi.org/10.25165/ijabe.v8i5.1802

Issue

Vol. 8 No. 5 (2015): IJABE

Section

Power and Machinery Systems

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