<p style="margin-top: 0"> An ontology that describes the interaction between humans and haptic devices </p> Machine <p style="margin-top: 0"> They respond rapidly to a stimulus. </p> Machine Pressure Vibration <p style="margin-top: 0"> The function of a haptic device to create tactile information. </p> Human Machine Machine Vibration Large 21 Rapid 800.0 40.0 200.0 300.0 Vibration Pressure <p style="margin-top: 0"> The disposition of nerves to transfer haptic information when receptors are activated. </p> Vibration Skin stretch <p style="margin-top: 0"> Muscles are occupied by other continuants (muscle spindles). </p> 98.4 2.0 49.1 Coldness 25.0 <p style="margin-top: 0"> Contain 4 stages of processes: 1. Geometry modelling 2. Kinematics modelling 3. Physical modelling 4. Feature extraction </p> Human Human Human Stroking Fluttering Fluttering Skin stretch Pressure Vibration 1 2 <p style="margin-top: 0"> They are activated when they sense skin changes in temperature. </p> 1 30.0 Machine <p style="margin-top: 0"> Parts of the haptic devices. Mechanisms to introduce motion or to clamp an object so as to prevent motion. </p> 1 1 1 Vibration Pressure Warmth Coldness <p style="margin-top: 0"> The role of the skin receptors to transmit information to the nerve fibers. </p> 5.0 1 1 1 1 <p style="margin-top: 0"> The skin receptors are innervated by different kinds of nerve fibers (neurons). </p> 1 <p style="margin-top: 0"> The sensory receptors under the skin, and in muscles, tendons, and joints, become activated not only through contact with an object but through movement. </p> Human Vibration Pressure Skin stretch 12.0 6.0 75.0 33.0 12.0 6.0 75.0 33.0 101.5 0.8 1 45 68.7 12 Machine Machine <p style="margin-top: 0"> or: Stimulus modelling. Describes the shape of virtual objects (polygons, triangles, vertices, splines) as well as their appearance (surface texture, surface illumination and color). </p> Human Skin stretch 0.1 2.0 Joint tension 1.0 0.5 Pressure Joint tension Vibration Pressure Muscle stretch 70 0.4 100.0 Slow 7.0 Small Pressure <p style="margin-top: 0"> Receptors that are activated by mechanical stimuli. </p> 1 Pressure Stroking <p style="margin-top: 0"> The_role_of_the_nerves_to_drive_tactile_signals_through_different_pathways. </p> 1 1 1 1 <p style="margin-top: 0"> Parts of the haptic devices, used to sense a diverse range of stimulus ranging from detecting the presence or absence of a grasped object to a complete tactile image. Consists of an array of touch sensitive sites, the sites may be capable of measuring more than one property. </p> 1 5.0 1.0 30.0 3.0 10 9 40 44 42 38 8 Vibration Joint tension Skin stretch 64.3 35.5 2 2.0 1 1.0 1 2.5 2.0 2 2 2 4 2.5 1.5 3 0.5 Human <p style="margin-top: 0"> The disposition of cortical neurons to process tactile information delivered by nerve fibers. </p> Human Human Pain 2 <p style="margin-top: 0"> They are responsible for the pain signals that can damage the skin tissue. </p> 20.0 10.0 Stroking 140 Rapid 300.0 Fluttering Small 50.0 Coldness Warmth Human <p style="margin-top: 0"> Cranial cavity is a site occupied by another entity (brain). </p> Warmth 45.0 Skin stretch <p style="margin-top: 0"> The function of activation of the skin receptors when they receive a stimulus. </p> Human Machine <p style="margin-top: 0"> Associated_with_texture_encoding;_characterized_by_production_of_shearing_forces_between_skin_and_object. </p> Human 2 <p style="margin-top: 0"> They respond slowly to a stimulus. </p> <p style="margin-top: 0"> The function of nerve channels to enable tactile signals transport. </p> Human 1 11 7 0.5 10 2.5 12 8 1.0 2.0 1.5 Machine <p style="margin-top: 0"> The process of computing and </p> <p style="margin-top: 0"> generating forces in response to use interactions </p> <p style="margin-top: 0"> with virtual objects, based on the position of the </p> <p style="margin-top: 0"> device. Or &quot;Physical modelling&quot; </p> <p style="margin-top: 0"> Associated with encoding of volume and coarse shape; characterized by molding to touched surface but without high force. </p> Joint tension Vibration Muscle tension Vibration Pressure Pressure Vibration <p style="margin-top: 0"> Associated with encoding of compliance; characterized by application of forces to object (usually, normal to surface), while counterforces are exerted (by person or external support) to maintain its position. </p> 1 50.0 <p style="margin-top: 0"> Associated with encoding of weight; characterized by holding object away from supporting surface, often with arm movement (hefting). </p> <p style="margin-top: 0"> Parts of the haptic devices that make sense of the signals going to, and coming from the device. </p> Muscle stretch Joint tension Muscle tension Muscle tension Vibration Muscle stretch Joint tension 1.5 0.2 2.0 0.5 Joint tension Pressure Muscle tension Joint tension Muscle stretch Human 2.0 1.0 0.1 Muscle stretch Muscle tension 3.0 <p style="margin-top: 0"> This determines the location of 3D objects with respect to a world system of coordinates as well as their motion in the virtual world. </p> Human Pressure Stroking 1 <p style="margin-top: 0"> The role of the brain to tactile perception integration. </p> 20.0 13.0 120.0 80.0 <p style="margin-top: 0"> Joints are occupied by other continuants (joint tendons). </p> Human Pressure Human 1 1 1 1 1 1 20.0 13.0 120.0 80.0 Machine Pressure Vibration <p style="margin-top: 0"> Nerve canals are sites-entities that can be occupied by other continuants (nerves). </p> <p style="margin-top: 0"> Associated with encoding of precise contour; characterized by movement of exploring effector (usually, one or more fingertips) along edge or surface contour. </p> Pressure Joint tension <p style="margin-top: 0"> or:Haptic interaction. It is a processsubject to the applicable laws of physics such as those of dynamics. </p> 1 Human Slow Skin stretch 9 7.0 7.0 Large Machine <p style="margin-top: 0"> The disposition of the receptors to be activated when there is a stimulus. </p> Human 1 1 1 3 3 1 1 1 1 1 1 1 1 1 1 Skin stretch Pressure Vibration Pressure Muscle stretch Vibration Joint tension Skin stretch 1 20.0 <p style="margin-top: 0"> Associated with temperature encoding; characterized by contact with maximum skin surface and without movement, also without effort to mold to the touched surface. </p> <p style="margin-top: 0"> The function of the cortical neurons to receive and process tactile signals and integrate perception. </p> Skin stretch Pressure Machine High Low <p style="margin-top: 0"> Low inertia imposed by the device kinematics so that free motion feels free. </p> <p style="margin-top: 0"> During grasping objects (0.5-2.5 mm) </p> Machine Human Low High <p style="margin-top: 0"> The low friction enables the user to move the device freely when not in contact. </p> 1 20 30 80 40 <p style="margin-top: 0"> In ms </p> <p style="margin-top: 0"> It is used as design guideline not only to increase its average value but also to minimise the different between its extrema over a target workspace. Peak force+inertia=peak acceleration </p> <p style="margin-top: 0"> The difference between the target coordinate and the centre of the distribution curve of the actual coordinates of the arm endpoint. </p> <p style="margin-top: 0"> To achieve high precision a device must have high dynamic bandwidth </p> <p style="margin-top: 0"> Represents the smallest spatial separation between two stimuli applied to the skin that caan be detected some arbitrary percentage of the time. </p> <p style="margin-top: 0"> In msec </p> <p style="margin-top: 0"> Receptors/cm^2 . Density differs if a receptor is located in fingertip, palm, arm, joints, muscles </p> <font size="12px" color="rgb(0, 0, 0)" face="Arial, Helvetica, sans-serif"><i style="word-spacing: 0px; letter-spacing: normal; line-height: normal; background-color: rgb(255, 255, 255); font-variant: normal; text-indent: 0px; white-space: normal; text-transform: none" align="-webkit-auto">The minimum input of physical parameter that will create a detectable output (0.4-10 N) change</i></font> <p style="margin-top: 0"> In mm </p> <p style="margin-top: 0"> In Hz </p> <p style="margin-top: 0"> In Celcius degrees, warm receptors activated at 29-45 and cold receptors 5-40 </p> Slow Rapid 3 4 5 8 11 20 12 10 9 7 6 2 <p style="margin-top: 0"> Minimum 100 Hz </p> <p style="margin-top: 0"> Receptors in different areas of the skin have different receptive fields </p> Small Large 1 2 <p style="margin-top: 0"> In degrees </p> <p style="margin-top: 0"> A stimulus is presented to the skin followed in time by a second stimulus that may or may not be applied to the same site. Observers are required to say whether the two stimuli occur at the same or different locations. </p> Stroking Pressure Joint tension Muscle stretch Coldness Muscle tension Warmth Vibration Skin stretch Fluttering Pain <p style="margin-top: 0"> Represents the smallest deviation from system equilibrium which can de detected by the sensors under study. The specific bands of interest are: 1-10-100-1000 Hz </p> 1 10 1000 100 High Low 0.8 2.0 2.5 <p style="margin-top: 0"> The forces produced by a haptic device and the forces that can be &quot;sensed&quot; by the skin surface </p> <p style="margin-top: 0"> RA I: 10-300 Hz </p> <p style="margin-top: 0"> RA II: 40-800 Hz </p> <p style="margin-top: 0"> SA I: 0.4-100 Hz </p> <p style="margin-top: 0"> SA II: 7 Hz </p> <p style="margin-top: 0"> Joint receptors: 0.1-2 Hz </p> <p style="margin-top: 0"> Muscle receptors: 0.1-3 Hz </p> <p style="margin-top: 0"> In msec </p> 5.0 2.0 3.0 30.0 33.0 75.0 80.0 120.0 0.5 <p style="margin-top: 0"> In &#956;m </p> 0.2 0.5 2.0 3.0 5.0 7.0 8.0 9.0 20.0 13.0 12.0 15.0 10.0 6.0 1.5 1.0 Large Small <p style="margin-top: 0"> They become progressivley more complex with each stage of information processing and they are larger than the receptors fields. </p> 0.4 100 true Machine true 5 45 true Large 3.5 1 3 true 10 300 100.0 50.0 6 2 2.5 2 Large Small 0.3 2 10.0 0.8 2 0.0 Small 2.0 2 10.0 2 Small Small Small Small 0.0 Small Large 1 100 Low High 7.9 1 0.0 Low 100.0 High Large High 100.0 Large 1.75 High Large 100.0 Small Small 1 Hand movement pivoting at wrist 0.0 2.0 2 8.0 Low High 1 Human Machine true 7 true 40 800 Large 10.0 40.0 300.0 800.0 100.0 0.4 7.0 Large Human true 2 4 2 1 true 5 45 Small Small Small 0.5 0.5 Large Large Large Large Small 20 20 10.0 High 2 10 Low 1000.0 0 2200 High Small 10.0 High Low 5000.0 Low 1.5 Low 10.0 Small High 1.5 20 Small 1 2 5 Small 45.0 50 1