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Micro, Nanosystems and Systems on Chips: Modeling, Control, and Estimation based on 0 ratings. 1 reviews.
The chapters show how far the field has progressed since the 1980s and the first generation of Atomic Force Microscopes. Now the modelling of the forces experienced on the atomic scale of a surface is quite sophisticated and quantitative. The text describes how current AFMs can measure forces in the sub-nanoNewton range. Various experimental configurations are summarised, with enough detail given for the reader to understand the salient features. Much of the physics is classical, including references to results in statistical physics that are used to derive functions for noise. Perhaps most interesting to some readers will be the section on the teleoperation of a micromanipulator, where, and this is the key point, there is multisensory feedback. Virtual reality is used to aid the operator, and the hardware includes a haptic interface that delivers the feedback. The amount of virtual immersion is varied, in an effort to see what minimal amount would suffice to let the operator do useful work. The experiments are very promising, especially in how they appear to let the operator use less mental effort, and thus be able to work for longer times with a manipulator.