collision avoidance 2 formation control 2 multiple unmanned underwater vehicles 2 Adaptive tracking control 1 Autonomous tracking 1 Buoys 1 Dynamic tracking 1 Medicine 1 Model predictive control 1 Navigation 1 Novel methods 1 Tracking control algorithms 1 Trajectories 1 Trajectory prediction 1 Trajectory-based 1 Ultra-short baseline matrix 1 Ultra-short baselines 1 Unmanned underwater vehicles 1 adaptive sliding mode disturbance observer 1 autonomous unmanned underwater vehicles 1 buoy 1 buoyancy engine 1 dynamic tracking 1 flapping wing propulsion 1 high-gain observer 1 matrix 1 renewable wave energy 1 ultra-short baseline matrix 1 underwater glider 1 unmanned underwater vehicle 1