Electrorheological tactel elements

Klein, D; Freimuth, H.; Monkman, Gareth J.; Egersdörfer, Stefan; Meier, A.; Böse, Holger; Baumann, Mario; Ermert, H.; Bruhns, Otto T.

doi:10.1016/j.mechatronics.2004.05.007

Cited by 26 publications

(18 citation statements)

References 11 publications

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“…Electrorheological (ER) tactile displays [54,55], are a special class of mechanical devices that work with the aid of an ERF. Electric-field-induced changes in polarized dielectric fluid viscosity were originally noticed by Duff towards the end of 19th century giving rise to the term ''electroviscosity'' [56].…”

Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

“…There are three possible modes of operation for ER fluids: shear, flow, and squeeze [54]. Though enjoying a wider dynamic force range, squeeze mode is limited to relatively small displacements.…”

Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

“…A detailed model and simulation of a tactile display using ER fluids was described by Klein et al [67]. In 2005, they designed a very simple cylindrical ''TACTEL'' (TACTual ELement) [54]. The TACTEL comprised an electrically conducting cylindrical collar, which was electrically commutated by means of sliding contact with the sides of a cylindrical hole bored into a metal substrate normally held at ground potential.…”

Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

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Tactile displays: Overview and recent advances

2008

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Tactation is the sensation perceived by the sense of touch, and is based on the skin's receptors. Touch is a common medium used by the general population and the sensory impaired. Tactile substitution can be used by the blind or deaf in order to: (a) enhance access to computer graphical user interfaces and (b) enhance mobility in controlled environments.The skin nerves can be stimulated through six types of receptors by mechanical, electrical, or thermal stimuli. Modalities, such as vibration and pressure, can stimulate these receptors. Advances in tactile communication using implementations of the actuating devices have been developed via several new technologies. These technologies include static or vibrating pins, focused ultrasound, electrical stimulation, surface acoustic waves, and other. This paper is a review of the state-of-the-art in the physiological and technological principles, considerations and characteristics, as well as latest implementations of microactuator-based tactile graphic displays. We also review fabrication technologies, in order to demonstrate the potential and limitations in tactile applications.

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Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

Section: Electrorheological and Magnetorheological Devicesmentioning

confidence: 99%

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Tactile displays: Overview and recent advances

2008

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“…This mechanical stimulation can be used to assist in the creation of virtual objects in a computer simulation, to control such virtual objects, and to enhance the remote control of machines and devices, thus providing visual and tactile information to the operator in real time [8]. In the fields of medicine and surgery, adding robotic precision to the skill of a clinician by obtaining real time information ensures patient safety, procedural success rate, as well as it facilitates medical and dental training [9].…”

Section: Understanding the Technologymentioning

confidence: 99%

Haptics – Touchfeedback Technology Widening the Horizon of Medicine

Kapoor

Arora²,

Kapoor³

et al. 2014

JCDR

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“…Electro Rheological Fluids (ERFs) and Magneto Rheological Fluids (MRFs) viscosity can be changed by applying electric field and magnetic field, respectively and such effects can also be used for haptic feedback devices. 21,22 Electroactive polymers (EAP) are promising for haptic actuators due to their large deformations that can exhibit a significant shape or size change in response to an electrical stimulation, which are suitable for effective haptic feedback system. 23 Recently, graphene-based film actuator for transparent and semi-transparent tactile and braille display presenting promising performance 24,25 whereas hydrolytically sensitive polymer composite film actuator made with pentaerythritol ethoxylate (PEE) and Polypyrrole (PPy), convert chemical potential energy of water to mechanical work, could be a future prominent candidate for haptic devices.…”

Section: Introductionmentioning

confidence: 99%

Transparent and flexible haptic actuator based on cellulose acetate stacked membranes

Mohiuddin

Kim

et al. 2015

Int. J. Precis. Eng. Manuf.

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The tactile sensation is the human interact with machines in the form of felt sensations in the hand or other parts of body skin. This paper presents a film type actuator for haptic feedback devices, based on electrostatic actuation of plasticized cellulose acetate stacked membranes actuator, which is fabricated and evaluated for suitability of haptic feedback devices. The stacked membranes actuator shows many promising properties such as high transparency, lightweight, wide range of actuation frequency and high vibration acceleration for instance. The actuator structure shows intense vibration acceleration due to several layers of stacked membranes associated with the intensified electrostatic attraction force between chargeable cellulose acetate membranes. Experiment for measuring vibrational acceleration was conducted over a wide frequency range and actuation voltage to prove actuator's great potential application as tactile actuator of haptic feedback devices. In addition, the operating principle, fabrication method and performance measurements are explained in details.

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Electrorheological tactel elements

Cited by 26 publications

References 11 publications

Tactile displays: Overview and recent advances

Tactile displays: Overview and recent advances

Haptics – Touchfeedback Technology Widening the Horizon of Medicine

Transparent and flexible haptic actuator based on cellulose acetate stacked membranes

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