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  • 1.
    Akner-Koler, Cheryl
    et al.
    University College of Arts, Crafts and Design, Department of Design, Interior Architecture and Visual Communication (DIV), Industrial Design.
    Ranjbar, Parivash
    Region Örebro län.
    Integrating Sensitizing Labs in an Educational Design Process for Haptic Interaction2016In: FORMakademisk, ISSN 1890-9515, E-ISSN 1890-9515, Vol. 9, no 2, p. 1-25Article in journal (Refereed)
    Abstract [en]

    New design methods for educating designers are needed to adapt the attributes of haptic interaction to fit the embodied experience of the users. This paper presents educationally framed aesthetic sensitizing labs: 1) a material-lab exploring the tactile and haptic structures of materials, 2) a vibrotactile-lab exploring actuators directly on the body and 3) a combined materials- and vibrotactile-lab embedded in materials. These labs were integrated in a design course that supports a non-linear design process for embodied explorative and experimental activities that feed into an emerging gestalt. A co-design process was developed in collaboration with researchers and users who developed positioning and communications systems for people with deafblindness. Conclusion: the labs helped to discern attributes of haptic interactions which supported designing scenarios and prototypes showing novel ways to understand and shape haptic interaction.

  • 2.
    Ranjbar, Parivash
    et al.
    Region Örebro län.
    Stranneby, Dag
    Örebro universitet, Institutionen för naturvetenskap och teknik.
    Akner Koler, Cheryl
    University College of Arts, Crafts and Design, Department of Design, Interior Architecture and Visual Communication (DIV), Industrial Design.
    Borg, Erik
    Audiologiskt forskningscentrum i Örebro, Region Örebro län, Örebro, Sweden.
    Identification of vibrotactile morse code on abdomen and wrist2017In: International Journal of Engineering Technology and Scientific Innovation, ISSN 2456-1851, Vol. 1, no 4, p. 351-366Article in journal (Refereed)
    Abstract [en]

    Morse code has been used as a communications system at a distance to transmit text through tone or light pulses. This comparative study aims to test and evaluate the vibrotactile identification of Morse coded signals communicating instructions for movement. The pulses were presented on abdomen and wrist among 14 males (40-85 yr) experienced in acoustic Morse code and the rate of pulses was 12 words per minute using a Vibration Motor mounted in a plastic holder. There identification results were statistically significantly better on wrist compared to abdomen. Words were identified significantly better on the wrist as compared to abdomen but the identification results of the letters were equally good in both placements. There was a negative correlation between age and the pooled identification results tested on wrist PCC r=-0.45 (p<0.02). The participants rank ordered the wrist, over the abdomen, as the best place for positioning the vibrator. The results support haptic/tactile interaction research in positioning and communication system. Our future plans are to apply the results to the project "Ready Ride" for instructions for horseback riding for people with deafblindness as well as activity and movement for elderly people with impaired vision and hearing.

  • 3.
    Ranjbar, Parivash
    et al.
    Audiological Research Centre, University Hospital At Örebro, Örebro, Seden.
    Stranneby, Dag
    Örebro universitet, Institutionen för naturvetenskap och teknik.
    Borg, Erik
    Audiological Research Centre University Hospital At Örebro, Örebro, Sweden.
    Akner-Koler, Cheryl
    University College of Arts, Crafts and Design, Department of Design, Interior Architecture and Visual Communication (DIV), Industrial Design.
    Haptic technical aids Distime, Monitor, Good vibrations, Ready-Ride and VibroBraille for improvement of Time perception, Environmental perception, music perception, mobility and communication for persons with deafblindness: Tactile aids2017Conference paper (Refereed)
    Abstract [en]

    There are approx. 1300 people with deafblindnes (DB) in Sweden where about 100 of them are with complete deafness (D) and blindness (B). The number will reach about 30000 if we also include people older than 65 with severe visual impairment (VI) and hearing impairment (HI) and several million worldwide.  Difficulties in time perception, environmental perception, music perception, mobility, social participation and communication are examples of their frequent problems. Five haptic technical aids are developed to reduce these problems. Distime is an application in a smart phone to inform the user about the planned activities by choosing different information channel depending on the sense that works and her/his ability. The activities can be presented as sound or vibrations for users with B; as images, movies and also as vibrations for those with D and vibrations for those with DB. Monitor informs users with D and DB about ongoing events with the aim to increase their environmental perception. Using an specific algorithm for environmental sounds, it converts the audible sounds produced by events to sensible vibrations which can be sensed and interpreted as events. Good Vibrations uses an specific algorithm for music and converts the audible music to vibrations which can be felt with the aim to increase music perception for users with severe HI, D/DB as well as for users with normal hearing who want extra enhanced experience of the music. Ready-Ride is a positioning and communication aid to improve the mobility of riders with severe VI, B or DB. It is used for distance communication between a trainer and a rider with VI where the trainer can send information about the rider’s position give commands or feedback about the riding. VibroBraille informs users with B/DB about the short notifications received from different applications in her/his cell phone. It converts the text to its corresponding Braille pattern where the active points are vibrating.

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