نتایج جستجو برای: picking off force
تعداد نتایج: 372946 فیلتر نتایج به سال:
In this paper, dynamic behavior of nanoparticle motion during nanoprobe-based manipulation is investigated. Pushing, pulling or picking manipulation of the particles results in different behavior of rolling, sliding, sticking, or rotation. For a given point of contact of the nanoprobe tip on the particle, nanoprobe load magnitude and direction and critical frictional forces are obtained in all ...
Objective: comparing the effects of gait at different speeds on spatiotemporal and kinetic parameters can result in better perception of gait pattern differences between young and older adults. Thus the purpose of this study was to compare the percentage of gait stance and swing phases and vertical ground reaction force between young and older adults during walking with different speeds. Metho...
Unit-load warehouses are used to store items—typically pallets—that can be stowed or retrieved in a single trip. In the traditional, ubiquitous design, storage racks are arranged to create parallel picking aisles, which force workers to travel rectilinear distances to picking locations. We consider the problem of arranging aisles in new ways to reduce the cost of travel within these warehouses....
Background and Objective: The use of the resin composite to alter the contour of the tooth has been recognized as a reasonable and non-aggressive method for improving the amount of stoppage for improving the retention of the removable partial prostheses. The aim of this study was to determine the amount of the required force to overcome the retention of undercuts created with resin composite on...
Microfabricated grippers could be useful for the manipulation of nanoscopic and microscopic samples. A survey is presented of the force requirements for a microgripper to complete pick-and-place nanomanipulation tasks. We then demonstrate in situ pick-and-place operations of nanowires inside a scanning electron microscope using microfabricated electrostatically actuated grippers, and compare th...
This paper describes Team Delft’s robot, which won the Amazon Picking Challenge 2016, including both the Picking and the Stowing competitions. The goal of the challenge is to automate pick and place operations in unstructured environments, specifically the shelves in an Amazon warehouse. Team Delft’s robot is based on an industrial robot arm, 3D cameras and a customized gripper. The robot’s sof...
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