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The paper focuses on the grasp requirements derived from the voluntary and involuntary physical interactions in instrument manipulations. The manipulation-oriented grasp requirements include interactive wrench requirements and motion requirements that are required to accomplish a manipulation task. The manipulation-oriented grasp requirements are directly associated with the functionality of the instrument...
In our research work we designed a robotic gripper for industrial robotic arm which is capable of grasping any rigid as well as delicate objects. Our control system produces an adequate force to grasp any object. In this paper, we designed a gripper mechanism and a controller. Force sensor was fixed at the gripper finger to collect the force values while grasping. We implemented proportional-integral-derivative...
In this paper, we analyze and compare existing human grasp taxonomies and synthesize them into a single new taxonomy (dubbed “The GRASP Taxonomy” after the GRASP project funded by the European Commission). We consider only static and stable grasps performed by one hand. The goal is to extract the largest set of different grasps that were referenced in the literature and arrange them in a systematic...
One of the ultimate challenges in robotics is to manipulate an arbitrary object without knowing its exact shape beforehand. The shape is rather acquired on the spot via using a laser range scanner, structure from multiple views; therefore, maybe only partially observed and corrupted by a certain degree of noise. We propose an algorithm to identify available failsafe strategies capable of preventing...
Two main problems in the manipulation of objects with robot-hands are the control of the contact force and the planning of approaching motion. In this paper, we report on the three types of MEMS sensors for robots to detect the contact forces, slippage and the distance to the objects to realize dexterous manipulation of objects with robot-hands. As a tactile sensor, we propose standing piezoresistive...
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