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Mathematical Problems in Engineering
Volume 2016, Article ID 5631209, 13 pages
http://dx.doi.org/10.1155/2016/5631209
Research Article

Research on the Multi-Energy Management Strategy of the Electric Drive System of a Tracked Bulldozer

College of Field Engineering, PLA University of Science and Technology, Nanjing 210007, China

Received 10 October 2015; Accepted 14 February 2016

Academic Editor: Ivano Benedetti

Copyright © 2016 Ming Pan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The multi-energy management strategy of electric drive system of tracked bulldozer was researched. Firstly, based on power requirement of typical working condition of a tracked bulldozer, the power distribution strategy for three energy sources in the front power chain was proposed by using wavelet theory and fuzzy control theory. Secondly, the electric drive system simulation platform was built in MATLAB/Simulink. At last, a driver-controller based HILS (hardware-in-the-loop simulation) platform was built and the multi-energy management strategy was verified. The HILS result shows that front power chain’s power output can meet the back power chain’s requirement, the engine-generator set works near the best fuel consumption curve, and the battery pack’s charge-discharge frequency and current are low. Thus the designed multi-energy management strategy can be used in real-time control of electric drive bulldozer.