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Wrench Analysis of Cable-Suspended Parallel Robots Actuated by Quadrotor Unmanned Aerial Vehicles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aerial cable towed systems (ACTSs) can be created by joining unmanned aerial vehicles (UAVs) to a payload to extend the capabilities of the system beyond those of an individual UAV. This paper describes a systematic method ...
A Controller Avoiding Dynamic Model Degeneracy of Parallel Robots During Singularity Crossing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Parallel robots present singular configurations that divide the operational workspace into several aspects. It was proven that type 2 and leg passive joint twist system (LPJTS) singularities can be crossed with a trajectory ...
Wrench Capability Analysis and Control Allocation of a Collaborative Multi-Drone Grasping Robot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the wrench capability analysis, the controller design, and experimental results of an aerial robot flying gripper. This robot uses four quadrotors to actuate four fingers such as to grasp and manipulate ...
Performing Energy-Efficient Pick-and-Place Motions for High-Speed Robots by Using Variable Stiffness Springs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Typically, for pick-and-place robots operating at high speeds, an enormous amount of energy is lost during the robot braking phase. This is due to the fact that, during such operational phase, most of the energy is dissipated ...
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