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The robust and efficient flight control of insects provide a powerful model system for autonomous microrobots. Conversely, robots offer a robust experimental platform on which to test biological hypotheses. This interaction of biology and robotics is an exciting but challenging task, because the vast disparities between both can lead to inaccurate or even misleading conclusions. In this paper, we...
Capitalizing on advances in CMOS and MEMS technologies, microrobots have the potential to dramatically change many aspects of medicine by navigating bodily fluids to perform targeted diagnosis and therapy. Onboard energy storage and actuation is very difficult at the microscale, but externally applied magnetic fields provide an unparalleled means of wireless power and control. Recent results have...
A propulsion system similar in size and motion to the helical bacterial flagella motor is presented. The system consists of a magnetic nanocoil as a propeller (27 nm thick ribbon, 3 mun in diameter, 30-40 mum long) driven by an arrangement of macro coils. The macro coils generate a rotating field that induces rotational motion in the nanocoil. Viscous forces during rotation result in a net axial propulsion...
This paper reports a MEMS micro force sensor with a novel configuration of differential tri-plate comb drives suitable for bulk micromachining. A high-yield fabrication process using DRIE on SOI wafers is utilized to construct the high aspect ratio devices. The sensor has a high sensitivity, good linearity, and a large bandwidth, which are required for characterizing flight behavior of fruit flies...
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