Matthew Ernst

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This paper explores the use of haptic stimuli as non-visual affordances to assist in learnability of bend gestures. We tested 48 haptic Tactons with simulated blind participants to understand what haptic sensation could intuitively map to bend location and direction. We identify that a short, single motor Tacton indicates reliably a bend location, while(More)
This paper explores the novel context of using bend gestures as a primary method of interaction for the blind. Our preliminary study assesses if this more tactile experience could enhance the usability and accessibility of technology for blind users, by comparing bend and touch interactions with simulated blind participants. Both input techniques showed(More)
Multiaxial vibration tests were conducted using an electrodynamic shaker capable of controlled vibration in six degrees-of-freedom. The test specimen consisted of six large inductors insertion mounted on a printed wiring board. Average damage accumulation rate was measured for random excitation in-plane, out-of-plane, and both directions simultaneously.(More)
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