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Task-based and stable telenanomanipulation in a nanoscale virtual environment

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2 Author(s)
Sung-Gaun Kim ; Mech. & Automotive Eng. Dept., Kongju Nat. Univ., South Korea ; M. Sitti

In a haptic interface system with a nanoscale virtual environment (NVE) using an atomic force microscope, not only is stability important, but task-based performance (or fidelity) is crucial. In this paper, we introduce a nanoscale virtual coupling (NSVC) concept and explicitly derive the relationship between performance, stability, and scaling factors of velocity (or position) and force. An available scaling factor region is represented based on Llewellyn's absolute stability criteria and the physical limitation of the haptic device. For the stable haptic interface, the sampled time passivity controller is implemented in the NVE. Experiments have been performed for telenanomanipulation tasks, such as positioning, indenting, and nanolithography with guaranteed stability in the NVE. Note to Practitioners-This paper suggests methods and control schemes for the task-based and stable telenanomanipulation in the nanoscale virtual environment (NVE). The proposed task-based and stable telenanomanipulation in the NVE can be used for an augmented human machine interface for the manipulation of nanoscale objects with the atomic force microscope (AFM). In addition, it is beneficial for learning or performing nanoscale tasks, such as nanolithography, nanoindenting, nanofabrication, and cell manipulation. Also, the interaction with the NVE using haptic device provides a useful tool for researchers in a variety of disciplines, such as biology, chemistry, and physics. Moreover, it may even be applied to educational purposes. In future research, the developed stable haptic interface would be integrated with the AFM system as a slave manipulator for telenanomanipulation experiments, such as pushing a nanoparticle with precise positioning and nanoassembly.

Published in:

IEEE Transactions on Automation Science and Engineering  (Volume:3 ,  Issue: 3 )