Research of HMCVT Speed Change Law Based on Optimal Productivity

DOI

10.2991/icseee-15.2016.147How to use a DOI?

Keywords

Speed change law; tractive power; hydro-mechanical continuosly variable transmission; tractor

Abstract

To get the optimal productivity, the speed change law is studied for the 400 horsepower wheeled tractor equipped with hydro-mechanical continuosly variable transmission (HMCVT). The tractive power are proposed as the evaluation indexes of the producitvity of the tractor. Based on the load resistance and vehicle speed, an optimization process of optimal productivity is established, and according to the optimization process, the matching engine speed and HMCVT speed ratio are calculated. for any load resistance and vehicle speed which are within the range of maximum value, the tractor can get optimal productivity by adjusting the trasmission speed ratio and engine speed to change as the values calculated. The research results show that the speed change law made in accordance with the optimized calculation can make the tractor obtain optimal productivity compaired with the initial value under the condition of any load resistance and the maximum speed range. the slip rate has an significant influence on tractive power, for 400 horse power tractor, controlling the load resistance within 60 kN is good for getting higher productivity.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Mingzhu Zhang
AU  - Dongyang Bai
AU  - Quansheng Wang
PY  - 2016/04
DA  - 2016/04
TI  - Research of HMCVT Speed Change Law Based on Optimal Productivity
BT  - Proceedings of the 2015 4th International Conference on Sustainable Energy and Environmental Engineering
PB  - Atlantis Press
SP  - 844
EP  - 849
SN  - 2352-5401
UR  - https://doi.org/10.2991/icseee-15.2016.147
DO  - 10.2991/icseee-15.2016.147
ID  - Zhang2016/04
ER  -