Read e-book online An elementary treatise on theoretical mechanics PDF

By Sir James H. Jeans, Physics

ISBN-10: 1176586637

ISBN-13: 9781176586635

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Recoil motors enable fine control over of vibrotactile signal without the need of a ground reference. They have been used in many demonstrations. Yao et al. described a stick equipped with such voice-coil motor to simulate a virtual rolling ball 32 2 Literature Review [183]. Textural sensations can also be created with pen-based interfaces by inducing vibrations in the stylus [133]. Larger motors can be used to stimulate the foot, and give the sensation of walking on virtual floor such as sand or ice [171].

Another approach is to regulate the velocity of a handle according to an input force (the admittance approach). This section reviews the various algorithms that synthesize realistic tactile sensation accordingly to a virtual representation of the world. Most algorithms are based on the assumption that a contact can be approximated by the behavior of a single point impacting or sliding in the virtual world. 1 Impact Impact transients and high frequency oscillations add realism to haptic simulations in virtual environments.

In: Proc of the ASME dynamic systems and control division, symposium on haptic interfaces, DSC, vol 59 86. Lederman SJ, Taylor MM (1972) Fingertip force, surface geometry, and the perception of roughness by active touch. Percept Psychophys 12(5):401–408 87. Lederman SJ, Loomis JM, Williams DA (1982) The role of vibration in the tactual perception of roughness. Atten Percept Psychophys 32(2):109–116 88. Lederman SJ, Klatzky RL, Hamilton CL, Ramsay GI (1999) Perceiving roughness via a rigid probe: psychophysical effects of exploration speed and mode of touch.

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An elementary treatise on theoretical mechanics by Sir James H. Jeans, Physics

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