Next Article in Journal
An Electrostatic MEMS Translational Scanner with Large Out-of-Plane Stroke for Remote Axial-Scanning in Multi-Photon Microscopy
Next Article in Special Issue
Handling in the Production of Wire-Based Linked Micro Parts
Previous Article in Journal / Special Issue
Low Temperature Plasma Nitriding of Inner Surfaces in Stainless Steel Mini-/Micro-Pipes and Nozzles
Open AccessArticle

Development of Novel Platform to Predict the Mechanical Damage of a Miniature Mobile Haptic Actuator

1
Department of Mechanical Engineering, Ajou University, Suwon-si 16499, Korea
2
Department of Convergence Technology Research, Korea Construction Equipment Technology Institute, Gunsan-si 54004, Korea
*
Author to whom correspondence should be addressed.
Academic Editors: Hans Nørgaard Hansen and Guido Tosello
Micromachines 2017, 8(5), 156; https://doi.org/10.3390/mi8050156
Received: 28 February 2017 / Revised: 4 May 2017 / Accepted: 9 May 2017 / Published: 13 May 2017
(This article belongs to the Special Issue Micro/Nano Manufacturing)
Impact characterization of a linear resonant actuator (LRA) is studied experimentally by a newly-developed drop tester, which can control various experimental uncertainties, such as rotational moment, air resistance, secondary impact, and so on. The feasibility of this test apparatus was verified by a comparison with a free fall test. By utilizing a high-speed camera and measuring the vibrational displacement of the spring material, the impact behavior was captured and the damping ratio of the system was defined. Based on the above processes, a finite element model was established and the experimental and analytical results were successfully correlated. Finally, the damage of the system from impact loading can be expected by the developed model and, as a result, this research can improve the impact reliability of the LRA. View Full-Text
Keywords: drop test; impact analysis; reliability; haptic actuator; linear resonant actuator (LRA) drop test; impact analysis; reliability; haptic actuator; linear resonant actuator (LRA)
Show Figures

Figure 1

MDPI and ACS Style

Choi, B.; Kwon, J.; Jeon, Y.; Lee, M.G. Development of Novel Platform to Predict the Mechanical Damage of a Miniature Mobile Haptic Actuator. Micromachines 2017, 8, 156.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop