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Control system modeling and simulation of parallel hydraulic hybrid heavy vehicle

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4 Author(s)
Cui Zhang ; Coll. of Mech. Sci. & Eng., Jilin Univ., Changchun, China ; Xinhui Liu ; Feng Xie ; Qiang Shi

Vehicle energy-saving is important to relieve source shortage and protect environment. This article mainly discusses the control of parallel hydraulic hybrid heavy vehicle (PHHHV), which uses hydraulic components to recycle the brake energy. Through analyzing the two power sources and two brake systems in the PHHHVs, the control rules have been brought out. By logic threshold value control strategy, the control flow has been worked out with the start point of keeping the engine working in high effective area, maximum utilizing the hydraulic energy for start the vehicle, and maximum recovering braking energy. In the multi-domain simulating platform-AMESim, the control model for PHHHV is established and simulated. The simulating results prove the effectiveness of the control strategy. All the work done in paper laid a theoretical foundation to controller development and braking system transformation of PHHHVs .

Published in:

Mechatronic Science, Electric Engineering and Computer (MEC), 2011 International Conference on

Date of Conference:

19-22 Aug. 2011