Results 201 to 210 of about 28,932 (246)

Approaches to needle navigation in interstitial brachytherapy using infrared tracking and radiography. [PDF]

open access: yesJ Appl Clin Med Phys
Kreß V   +6 more
europepmc   +1 more source

Trajectory Tracking Control and Contouring Performance of Three Dimensional CNC

IEEE Transactions on Industrial Electronics, 2015
A three-axes portal-type computer numerical control (CNC) manipulator is analyzed, in this study. In order to improve the trajectory tracking ability of the manipulator for both linear and circular trajectories different controllers are examined. To compare the effectiveness of different control approaches on the improvement of tracking and contouring ...
ERENTÜRK, Köksal   +1 more
openaire   +4 more sources

Vibration control for a nonlinear three-dimensional flexible manipulator trajectory tracking

International Journal of Control, 2016
ABSTRACTThis paper proposes an innovative approach to the trajectory tracking in three-dimensional space and vibration control problems in the presence of a nonlinear three-dimensional flexible manipulator based on the partial differential equation model.
Yuanyuan Zhang, Jinkun Liu, Wei He
openaire   +3 more sources

Globally finite-time stable three-dimensional trajectory-tracking control of underactuated UUVs

Ocean Engineering, 2019
Abstract In this paper, the subject of the spatial trajectory-tracking control for underactuated unmanned underwater vehicles (UUVs) is addressed in the presence of model parameter perturbation and unknown ocean currents. The spatial trajectory-tracking guidance is established based on the dynamic virtual vehicle method, which continuously computes ...
Haomiao Yu, Chen Guo, Zheping Yan
openaire   +3 more sources

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