Dynamics Modeling and Simulation Analysis for Rotorcraft Aerial Manipulator System
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摘要
Rotorcraft Aerial Manipulator(RAM) system is composed of a Rotorcraft Unmanned Aerial Vehicle(RUAV) and a multi Degree-Of-Freedom(DOF) manipulator, which is designed to fulfill aerial manipulation. Moments of inertia and center-ofmass position for RAM system vary when the manipulator moves. The influence of robot arm motion is treated as perturbations for RUAV in the process of overall system modeling. External force and torque acting on the RUAV body exerted by environment are also considered in system dynamics. A practical overall dynamics model is then obtained through analysis and simplification of the RAM system. The control system structure and corresponding simulation results under different controllers are presented.The gain schedule PID controller in this paper can stabilize the system while the robot arm moves.
Rotorcraft Aerial Manipulator(RAM) system is composed of a Rotorcraft Unmanned Aerial Vehicle(RUAV) and a multi Degree-Of-Freedom(DOF) manipulator, which is designed to fulfill aerial manipulation. Moments of inertia and center-ofmass position for RAM system vary when the manipulator moves. The influence of robot arm motion is treated as perturbations for RUAV in the process of overall system modeling. External force and torque acting on the RUAV body exerted by environment are also considered in system dynamics. A practical overall dynamics model is then obtained through analysis and simplification of the RAM system. The control system structure and corresponding simulation results under different controllers are presented.The gain schedule PID controller in this paper can stabilize the system while the robot arm moves.
引文
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