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Axial vibrations tracking control in resonant sonic tunnel drilling system

Abstract : Axial vibrations and bit-bouncing phenomena in tunnel drilling systems can affect the pre-reinforcement process indispensable in really difficult geotechnical conditions. The aim of this paper is to analyze and control these vibrations arising along the drill pipes to develop an automatic drilling. We present a vibration model as a damped wave equation with Neumann boundary conditions. We use this model as well as the Resonant Sonic Head Drill (RSHD) one to define a reference trajectory. We propose a Flatness-based controller to tackle the position and velocity tracking problem ensuring an exponential convergence of the error dynamics and a desired drilling dynamical behavior. Simulation results confirm the efficiency of the proposed control law.
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https://hal.archives-ouvertes.fr/hal-01277200
Contributor : Frédéric Davesne <>
Submitted on : Monday, February 22, 2016 - 12:23:16 PM
Last modification on : Tuesday, June 30, 2020 - 11:56:08 AM

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Khouloud Latrach, Lotfi Beji. Axial vibrations tracking control in resonant sonic tunnel drilling system. 54th IEEE Conference on Decision and Control (CDC 2015), Dec 2015, Osaka, Japan. pp.2495--2500, ⟨10.1109/CDC.2015.7402583⟩. ⟨hal-01277200⟩

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