|Tipo di tesi||Tesi di laurea magistrale|
|Titolo||Design and realization of an IMU-based inclinometer for proper fitting of low vision aid.|
|Titolo in inglese|
|Struttura||Dipartimento di Ingegneria|
|Corso di studi||Ingegneria Elettronica (D.M.270/04)|
|Data inizio appello||2017-12-07|
|Disponibilità||Accessibile via web (tutti i file della tesi sono accessibili)|
The accurate measurement of the orientation plays an important role in a range of fields including: navigation, robotics, aeronautics and human motion analysis. In spectacle-mounted devices application, when we want to measure visual fields, knowledge of head orientation is crucial. Knowing the head orientation is also important for proper fitting of the devices. The effect of the devices on visual field is related to head position in addition to fixation and can change as the spectacles move even if fixation is steady. Tilting the head up or down can shift the position of the device in and out of view. For the peripheral prisms for tunnel vision and to a lesser extent for hemianopia patients, it is necessary to bring the prisms as close to the center as possible without interfering with binocular foveation, even under the head bobbing situation of walking. To do this effectively, we need to find out the patients’ natural head posture as they walk without the device. We then need to verify that by positioning the device we will not change the head posture. This is especially significant when fitting prisms in the restricted peripheral field of the subjects in the proposed studies. The need to control for that in several experiments requires the development of a prototype inclinometer and associated support software to measure and monitor head tilt and roll. This inexpensive device will be refined to make it suitable for use by the clinics in the multicenter trial, where it will greatly simplify and improve the outcome of fitting the peripheral prisms. In lab studies, the inclinometer will serve that purpose as well as providing tight monitoring of head position during the studies and an understanding of head movement during different walk phases.