The Analysis of Vibration Characteristics and Motion Stability of the Tracked Ambulance Nonlinear Damping System
نویسندگان
چکیده
Considering the impact of the nonlinear stiffness, a 2 DOF dynamic nonlinear vibration model with cubic terms was established according to the structural feature and nonlinear behavior of the tracked ambulance. In the case of primary resonance and 1: 1 internal resonance, multiple scale method was used to obtain a first-order approximate solution for this model. Taking the parameters of the tracked ambulance for instance, the approximate solution was verified and the influence of the parameters on damping effect was investigated. Finally, the motion stability of the damping system was analyzed with singularity theory and the theoretical bases for improving efficiency of the damping system were provided.
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