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Chatter suppression is essential for achieving high precision and surface quality in machining processes. In this paper, a control strategy is presented for chatter suppression in cutting process in the presence of tool wear and parameter uncertainties. A single-degree-of-freedom model of a...
The purpose of this study is to evaluate vibration characteristics according to the foundation type of an emergency diesel generator (EDG) of a nuclear power plant (NPP). For the purpose of this study, EDGs whose types are the same but whose foundation types are different were selected and...
Among machining chatter control methods, spindle speed variation (SSV) method is certified as a feasible and effective way: machining chatter can be suppressed by continuously and periodically fluctuating the spindle speed of the machine tool. Although with its substantial value, the SSV method...
An analytical approximate technique for nonlinear problems, namely the homotopy analysis method, is employed to propose an approach for the aeroelastic system of a two-dimensional airfoil with a cubic nonlinearity. The frequency and amplitude of the limit cycle oscillation are expanded as power...
Introducing an independent four-wheel-steering (4WS) system, we are able to design an autodriver to keep an autonomous vehicle on a given road. The kinematic condition of steering can be used to set the steer angles such that the kinematic center of rotation be at any desired point. The road and...
Free vibration analysis of annular sector plate is studied using an eight-node curvilinear domain. The method of discrete singular convolution (DSC) is used for computations. Radial edges of plates are simply supported; however, various edge conditions are taken into account for circumferential...
This paper leads with the phenomenon of the bouncing of a vehicle due to an irregularity being on a road or on a bridge deck. Attention is focused on the determination of the critical velocity for which the vehicle loses touch with the road’s or the bridge-deck’s surface following a...
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