LinkNotes: haptic

2009-12-03

Haptic Perception in Virtual Reality

Haptic perception

Haptic perception is the process of recognizing objects through touch. It involves a combination of somatosensory perception of patterns on the skin surface (e.g., edges, curvature, and texture) and proprioception of hand position and conformation.

clipped from haselab.hi.mce.uec.ac.jp

Our daily lives are more and more computerized with advance in networking and computers.
It is increasing importance such as interfaces, sensors and robotics. These technologies connects the information-world and the real-world.

clipped from haselab.hi.mce.uec.ac.jp

This demonstration focuses on two haptic experiences: sensing the composition and stiffness of an object, and estimating dynamics for multiple objects. Slight vibrations express the differences between materials and degrees of stiffness.

clipped from www.youtube.com

clipped from haselab.hi.mce.uec.ac.jp

We propose a new method for Symmetrical Haptic Interaction System with Virtual Creatures (VCs) in Mixed Reality (MR). In this work, we can interact VCs directly, not only through some tools but also with our fingers. If we touch VCs, we can see and feel their reaction.

clipped from www.vimeo.com

clipped from www.youtube.com

Robots and virtual reality on show in Tokyo

clipped from singularityhub.com

The developers of the ring actually debuted it a little earlier in the year with a poster at SIGGRAPH. Virtual Creatures which interact with the device can be moved by the users pushes and respond to the type of contact. With light petting, the VC will display happy emotions. A strong push will cause the VC to avoid or react negatively to the user. This complex behavior for the VC gives an added layer of realism to the augmented reality interaction. After all, what use is having a finger that can manipulate a virtual world if the virtual world doesn’t react appropriately.

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2008-03-07

A Magnetic Levitation 3D Computer Interface

A new technology which allows computer users to feel 3-D objects, touch them and manipulate what is taking place on screen.

clipped from www.sciencedaily.com

Magnetic Levitation Gives Computer Users Sense Of Touch

ScienceDaily (Mar. 5, 2008) — Computers, long used as tools to design and manipulate three-dimensional objects, may soon provide people with a way to sense the texture of those objects or feel how they fit together, thanks to a haptic, or touch-based, interface developed at Carnegie Mellon University.

clipped from www.msl.ri.cmu.edu

Microdynamic Systems Laboratory

The Robotics Institute at Carnegie Mellon University

Why use such "exotic" means for facilitating haptic interaction? We believe there are several advantages, including:

Single moving part with 6 degrees of freedom

Zero static friction

Zero mechanical backlash

High position and force bandwidths

High position resolution

Low perceived mass

Very wide range of stiffnesses possible

Mechanical simplicity, no tight tolerances