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Development of a Tactile Thimble for Augmented and Virtual Reality Applications

Giri, Suraj (2019) Development of a Tactile Thimble for Augmented and Virtual Reality Applications. DLR-Interner Bericht. DLR-IB-RM-OP-2020-22. Masterarbeit. Universität Siegen. 74 S.

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Kurzfassung

The technologies that have gained a renewed interest during the recent years are Virtual Reality (VR) and Augmented Reality (AR), as they become more accessible and affordable for mass-production. The input device which allows us to interact with the virtual environment is a very crucial aspect. One of the main barriers to immerse ourselves in virtual reality is the lack of realistic feedback. The user has to almost rely entirely on visual feedback without any haptic feedback, and this increases the user's workload and decreases the performance. In this thesis, a functional demonstrator of a tactile feedback device which conveys compelling interactions with not just VR, but also AR is presented. The device is designed such that there is realistic feedback for virtual touches and least obstruction during contact of a real object in AR applications. New design principle of introducing small actuators allows the device to be compact and increases its portability. In contrast to actuators that are placed on the finger pad in most of the available input devices for VR, a tactile device with two actuators that are arranged laterally on the finger, so that the underside of the fingertip is free is proposed. The output from these actuators generate a tactile stimulus by stimulating a sense of touch, which helps the user to manipulate virtual objects. The actuators are designed to independently generate vibrations and this coupled tactile feedback enhances the stimulation resulting in a wide variety of stimulation patterns for the sense of touch. Preliminary experimental evaluation for design and location of actuators has been carried out to measure the vibration intensity. In addition, user experiments for design evaluation of the two actuators based on different vibration patterns have also been conducted.

elib-URL des Eintrags:https://elib.dlr.de/134125/
Dokumentart:Berichtsreihe (DLR-Interner Bericht, Masterarbeit)
Titel:Development of a Tactile Thimble for Augmented and Virtual Reality Applications
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Giri, SurajSuraj.SubramanyamGiri (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:23 Dezember 2019
Referierte Publikation:Nein
Open Access:Nein
Seitenanzahl:74
Status:veröffentlicht
Stichwörter:Tactile Device, Augmented Haptics, Wearable Haptics
Institution:Universität Siegen
Abteilung:Institut für Konstruktion
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Robotik
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R RO - Robotik
DLR - Teilgebiet (Projekt, Vorhaben):R - Intuitive Mensch-Roboter Schnittstelle [RO]
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Robotik und Mechatronik (ab 2013) > Analyse und Regelung komplexer Robotersysteme
Hinterlegt von: Hulin, Dr. Thomas
Hinterlegt am:18 Feb 2020 09:05
Letzte Änderung:26 Jul 2021 16:07

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