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    • Stability analyses of a drill string system 

      Hongyuan, Sun (БНТУ, 2020)
      To avoid stick-slip vibration, one of the most important forms of self-excited vibrations in deep hole drilling, this paper studies the stability a drill system based on a twodegree-of-freedom discrete model. It is a state-dependent delay model that could describe the nonlinear dynamic characteristic of drilling systems more accurately, compared with the traditional constant delay ...
      2021-01-26