Haptics using a smart material for eyes-free interaction in personal devices

Lane, W. Brian; Pappas, Devin; Duque, Bryam; Leong, John M.

doi:10.1117/12.2045266

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…One of the best-established technologies for flexible vibrotactile actuators is to use electroactive polymers (EAPs) [15], [16], [17]. There are two types of EAPs, ionic type and non-ionic type.…”

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confidence: 99%

Flexible and bendable vibrotactile actuator using electro-conductive polyurethane

Park

Yang

Yoo

et al. 2015

2015 IEEE World Haptics Conference (WHC)

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The rapid development of nano technology and mobile devices has created high demand for shape changing mobile devices in order to provide users with more functions in less space and improved usability. However, the fundamental incompatibility between flexible displays and rigid actuator components has brought a huge barrier for commercialization of this technology. This paper presents a flexible and bendable vibrotactile actuator that can be easily applied to shape changing mobile devices. The proposed vibrotactile actuator is made with an electro-conductive membrane based on polyurethane, a base membrane, and an airgap. Actuation of the proposed actuator is controlled by a polarity of both charged membranes and the actuator performance can be modulated by increasing level of biased electric potential. A user experiment showed that the proposed actuator can provide vibrations with sufficient strength for perception.

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mentioning

confidence: 99%

Flexible and bendable vibrotactile actuator using electro-conductive polyurethane

Park

Yang

Yoo

et al. 2015

2015 IEEE World Haptics Conference (WHC)

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A facile method for integrating direct-write devices into three-dimensional printed parts

Chang¹,

Wang²,

Wu³

et al. 2015

Smart Mater. Struct.

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Integrating direct-write (DW) devices into three-dimensional (3D) printed parts is key to continuing innovation in engineering applications such as smart material systems and structural health monitoring. However, this integration is challenging because: (1) most 3D printing techniques leave rough or porous surfaces if they are untreated; (2) the thermal sintering process required for most conductive inks could degrade the polymeric materials of 3D printed parts; and(3) the extensive pause needed for the DW process during layer-by-layer fabrication may cause weaker interlayer bonding and create structural weak points. These challenges are rather common during the insertion of conductive patterns inside 3D printed structures. As an avoidance tactic, we developed a simple 'print-stick-peel' method to transfer the DW device from the polytetrafluoroethylene or perfluoroalkoxy alkanes film onto any layer of a 3D printed object. This transfer can be achieved using the self-adhesion of 3D printing materials or applying additional adhesive. We demonstrated this method by transferring Aerosol Jet® printed strain sensors into parts fabricated by PolyJet™ printing. This report provides an investigation and discussion on the sensitivity, reliability, and influence embedding the sensor has on mechanical properties.

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Haptics using a smart material for eyes-free interaction in personal devices

Cited by 3 publications

References 8 publications

Flexible and bendable vibrotactile actuator using electro-conductive polyurethane

Flexible and bendable vibrotactile actuator using electro-conductive polyurethane

A facile method for integrating direct-write devices into three-dimensional printed parts

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