Research on Hill-start Control Strategy for Military Heavy-duty Wheeled Vehicles with AMT

doi:10.3969/j.issn.1000-1093.2013.08.001

Abstract

Abstract:

A strategy of hill-start control is presented for military heavy-duty wheeled vehicles with automated mechanical transmission(AMT). A concept of that the opening degree of accelerator pedal, the engine speed and the decline rate of engine speed are used to estimate the clutch transmitting torque is put forward based on the dynamics analysis of hill-start process of vehicle and the engine speed characteristic curve. And also the parking brake release conditions are identified. The clutch control strategy is designed based on the existing experimental vehicle platform, and the satisfactory results are achieved when vehicle tests are carried out at the different angles of slopes. The experimental results show that the proposed theory is feasible.

Key words: ordnance science and technology, hill-start, clutch control strategy, torque estimation, automated mechanical transmission

CLC Number:

U463. 212

LU Jia, LIU Hai-ou, PENG Jian-xin, XI Jun-qiang. Research on Hill-start Control Strategy for Military Heavy-duty Wheeled Vehicles with AMT[J]. Acta Armamentarii, 2013, 34(8): 929-934.

References

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