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1 results

  • A Neurodynamics Control Strategy for Real-Time Tracking Control of Autonomous Underwater Vehicles

  • Daqi Zhu, Xun Hua, Bing Sun
  • Journal:
    The Journal of Navigation / Volume 67 / Issue 1 / January 2014
    Published online by Cambridge University Press:
    29 August 2013, pp. 113-127
    Print publication:
    January 2014

  • A biologically inspired neurodynamics-based tracking controller of underactuated Autonomous Underwater Vehicles (AUV) is proposed in this paper. The proposed control strategy includes a velocity controller with biological neurons and an adaptive sliding mode controller. The biological neurons are embedded into the backstepping velocity controller to eliminate the sharp speed jumps commonly existing in vehicles due to tracking errors changing suddenly. The outputs of the velocity controller are used as the command inputs of the sliding mode controller, and the thruster control constraints problems that are commonly seen in the backstepping control of AUV are solved by the proposed controller. Simulation results show that the control strategy achieved success in smoothly tracking AUV position and velocity.