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"A fair measurement is possible only under one unknown", which is an iron principle in instrumentation technology. In other words, it is difficult to evaluate two unknowns simultaneously, through the measurement of just one output from sensor. The main topic is to evaluate cell deformability through a micro fluidic channel. When a cell passes through a micro channel whose size is a bit smaller...
In this paper, additional manipulating function for limited narrow space with omnidirectional driving gear was described. The validity and advantage of the proposed function was also confirmed through experiments using the actual prototype of the planar omnidirectional driving gear units for the parallel gripper.
As ordinary dual-axis driving mechanisms in X-Y directions, for example, commercially available X-Y stages with ball screws are familiar. However, such driving mechanisms have two stages, namely both upper and lower linear actuators, the latter of which must generate sufficient thrust to carry large weights, including that of the upper actuator mechanism, which has hampered efforts to achieve suitably...
The finger mechanism equiped with omnidirectional driving roller is shown. The omnidirectional driving roller has two active rotational axes at the touching point. The finger mechanism with this roller can manipulate the grasped object with any arbitrary directional axes. Prototype model has been developed and basic motion of the finger has been confirmed though the experiments.
In this paper, the principles and the actual configurations of the omnidirectional driving gear mechanism that was implemented by the authors were described. The validity of the proposed structure was also confirmed and its basic characteristics understood through experiments using the actual prototypes.
A novel method to achieve online measurements of cornea deformation during non-contact tonometry by use of an online camera system is presented. Kaneko et al. have shown that non-contact tonometry as a method of identifying the intraocular pressure can produce biased results due to differences in structural eye stiffness between individuals. By including deformation measurements of the cornea, results...
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