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학술저널
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한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.7 No.5
발행연도
2006.8
수록면
535 - 545 (11page)

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A nonlinear analysis of torsional self-excited vibration in the driveline system for wheeled towing tractors was presented, with a 2-DOF mathematical model. The vibration system was described as a second-order ordinary differential equation. An analytical approach was proposed to the solution of the second-order ODE. The mathematical neighborhood concept was used to construct the interior boundary and the exterior boundary. The ODE was proved to have a limit cycle by using Poincare-Bendixson Annulus Theorem when two inequalities were satisfied. Because the two inequalities are easily satisfied, the self-excited vibration is inevitable and even the initial slip rate is little. However, the amplitude will be almost zero when the third inequality is satisfied. Only in a few working modes of the towing tractor the third inequality is not satisfied. It is shown by experiments that the torsional self-excited vibration in the driveline of the vehicle is obvious.

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ABSTRACT
1. INTRODUCTION
2. MODELING
3. THE EXISTENCE OF A LIMIT CIRCLE AND THE SELF-EXCITED VIBRATION
4. EXPERIMENTAL RESULTS AND NUMERICAL SIMULATIONS
5. CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCES

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