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contributor authorWeeke, Sybren L.
contributor authorTolou, Nima
contributor authorSemon, Guy
contributor authorHerder, Just L.
date accessioned2017-11-25T07:18:15Z
date available2017-11-25T07:18:15Z
date copyright2017/9/3
date issued2017
identifier issn1942-4302
identifier otherjmr_009_02_021004.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4235069
description abstractUsage of compliant micromechanical oscillators has increased in recent years, due to their reliable performance despite the growing demand for miniaturization. However, ambient vibrations affect the momentum of such oscillators, causing inaccuracy, malfunction, or even failure. Therefore, this paper presents a compliant force-balanced mechanism based on rectilinear motion, enabling usage of prismatic oscillators in translational accelerating environments. The proposed mechanism is based on the opposite motion of two coplanar prismatic joints along noncollinear axes via a shape-optimized linkage system. Rigid-body replacement with shape optimized X-bob, Q-LITF, and LITF joints yielded a harmonic (R > 0.999), low frequency (f=27 Hz) single piece force-balanced micromechanical oscillator (∅ 35 mm). The experimental evaluation of large-scale prototypes showed a low ratio of the center of mass (CoM) shift compared to the stroke of the device (≈ 0.01) and proper decoupling of the mechanism from the base, as the oscillating frequency of the balanced devices during ambient disturbances was unaffected, whereas unbalanced devices had frequency deviations up to 1.6%. Moreover, the balanced device reduced the resultant inertial forces transmitted to the base by 95%.
publisherThe American Society of Mechanical Engineers (ASME)
titleA Monolithic Force-Balanced Oscillator
typeJournal Paper
journal volume9
journal issue2
journal titleJournal of Mechanisms and Robotics
identifier doi10.1115/1.4035544
journal fristpage21004
journal lastpage021004-8
treeJournal of Mechanisms and Robotics:;2017:;volume( 009 ):;issue: 002
contenttypeFulltext


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