Middle East Journal of Applied Science & Technology (MEJAST) (Peer Reviewed International Journal) Volume 3, Issue 1, Pages 10-14, January-March 2020
Design and Analysis of Smart Haptic Technology Design M.Srimathidevi1, C.Jerlin Christina Grace2, N.Esakiammal Sivaranjani3, B.Nisharni4 & G.Jayaraman5 1,2,3,4
UG Scholar, 5Assistant Professor, Department of ECE, Francis Xavier Engineering College, Tirunelveli, India. Email: srimathim1898@gmail.com1, shebadyni@gmail.com2, nsivaranjani01@gmail.com3, durgaiamman10@gmail.com4, icon4jai@gmail.com5 Article Received: 12 November 2019
Article Accepted: 19 January 2020
Article Published: 09 February 2020
ABSTRACT Haptics is a term that was derived from the Greek verb “haptesthai” meaning “of or relating to the sense of touch.” It refers to the science of manual sensing and manipulation of surrounding objects and environments through the sense of touch. The “touching” of objects and environment could be made by humans, machines, or a combination of both; and the objects and environments can be real, virtual, or a combination of both. Computer Science finds a wide range of applications in a variety of fields. In this modern world, the use of different human senses is becoming more and more common and the sense of touch is of no exception. In this paper, we have given an overview of haptic technology, which is entirely related to the sense of touch. Touch is a unique human sensory modality that enables a bidirectional flow of energy and information between the real, or virtual, environment and the end user. This is referred to as active touch. For instance, to sense the shape of an object such as a cup, we have to grasp and manipulate the physical object and run our fingers across its shape and surfaces to build a mental image of the cup. Furthermore, in a Manipulation task such as pressing a softball or filling a cup, there is a definite division between input and output, but it is often difficult to define.
1. INTRODUCTION Human haptics refers to the study of human sensing and manipulation through tactile and kinesthetic sensations. When a user touches an object, interaction forces are imposed on the skin. The associated sensory system conveys this information to the brain and thus leads to perception. As a response, the brain issues motor commands to activate the muscles that results in a hand or arm movement. Human haptics focuses mainly on studying this human sensorimotor loop and all aspects related to the human perception of the sense of touch. The touching process can be made by humans, machines, or a combination of both .This interaction may also include sensory modalities like vision. Haptics has brought biomechanics, psychology, neurology, engineering and computer together in study of human touch and force feedback.
Touch is bidirectional energy and information flow between real or virtual environment and the end user. Such a kind of touch is called active touch. Levitation techniques are very suitable for handling contact-sensitive objects because of the absence of mechanical contact between the levitator and the levitated object. Several negative effects such as contamination, contact damage can be avoided by using these techniques. The dependence between sensing and manipulation indicates how humans perceive and interact with the physical world .In short haptic technology deals with tactile feedback which recreates sense of touch by applying force, vibrations or motion to the user. While using non-contact handling techniques solves the problems related to the direct physical contact that exists in regular contact-based handling, it also introduces new difficulties as these systems behave differently from conventional contact-based handling techniques. 10 | P a g e
ISSN (Online): 2582- 0974
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Middle East Journal of Applied Science & Technology (MEJAST) (Peer Reviewed International Journal) Volume 3, Issue 1, Pages 10-14, January-March 2020
2. EXISTING SYSTEM The main functions of haptics are to measure forces on any part of the body and to find the information indicated by these forces .Computer haptics includes developing algorithms to generate and render touch of virtual environment and objects .The two important criteria involved are haptics rendering and visual rendering that indicate the virtual environment's information to the human user.
Haptics rendering includes softwareâ€&#x;s based algorithms to find where the point of contact has taken place and the forces between the virtual environment and the user. Haptic interfaces or devices are essentially small robots that exchange mechanical energy with users. From a hardware perspective, a haptic device has one or more input transducers (sensors that measure the positions and/or contact of any part of the human body) and at least one output transducer (actuator that displays contact forces and positions in appropriate spatial and temporal coordination to the user). 3. PROPOPSED SYSTEM Now a days, the computer technology has been developing at a rapid rate and the use of various new devices is on the rise. Faster processors are being invented continuously and it has become necessary to look intoapplications that incorporate interactive life-like 3D computer graphics. Various devices with up to seven degrees of freedom are used to simulate touch, one of the most common being the Phantom Haptic Device having 3 degrees of freedom. Users interact with the Phantom interface with their finger in a thimble or by holding a stylus.
The performance of precision handling can be further enhanced by filtering and suppressing the human natural hand vibrations. As explained in the working earlier, various sensors calculate important data and feed the information to the computer. The computer then gives necessary output to the actuator. The actuator, in turn, 11 | P a g e
ISSN (Online): 2582- 0974
Website: www.mejast.com
Middle East Journal of Applied Science & Technology (MEJAST) (Peer Reviewed International Journal) Volume 3, Issue 1, Pages 10-14, January-March 2020
provides the data to haptic device which gives the user the necessary haptic feedback. The effect of creating a virtual damping field will damp sudden accelerations that could be the result of wild motion and it will smoothen the resultant motion. Haptic devices aren‟t ideal force transducers. An ideal haptic device would render zero impedance when simulating movement in free space, and any finite impedance when simulating contact with an object featuring such impedance characteristics. The friction, inertia, and backlash present in most haptic devices prevent them from meeting this ideal. 4. RESULT Finally we shouldn‟t forget that touch and physical interaction are among the fundamental ways in which we come to understand our world and to effect changes in it. This is true on a developmental as well as an evolutionary level. For early primates to survive in a physical world, as Frank Wilson suggested, “a new physics would eventually have to come into this their brain, a new way of registering and representing the behavior of objects moving and changing under the control of the hand.
Fig: Simulation of blood vessels It is precisely such a representational systems syntax of cause and effect of stories and of experiments, each having a beginning, a middle, and an end that finds at the deepest levels of the organization of human language. Our efforts to communicate information by rendering how objects feel through haptic technology, and the excitement in our pursuit, might reflect a deeper desire to speak with an inner, physically based language that has yet to be given a true voice. 5. CONCLUSION This project is the future for online computing and e-commerce, it will enhance the shopper experience and help online shopper to feel the merchandise without leaving their home. Because of the increasing applications of haptics, the cost of the haptic devices will drop in future. This will be one of the major reasons for commercializing haptics. With many new haptic devices being sold to industrial companies, haptics will soon be a part of a person‟s normal computer interaction. This emerging technology promises to have wide reaching applications .For example haptic technology has made it possible to investigate human sense of touch works, by allowing the creation of carefully controlled haptic virtual objects and hence they are used to probe human haptic capabilities. 12 | P a g e
ISSN (Online): 2582- 0974
Website: www.mejast.com
Middle East Journal of Applied Science & Technology (MEJAST) (Peer Reviewed International Journal) Volume 3, Issue 1, Pages 10-14, January-March 2020
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ISSN (Online): 2582- 0974
Website: www.mejast.com
Middle East Journal of Applied Science & Technology (MEJAST) (Peer Reviewed International Journal) Volume 3, Issue 1, Pages 10-14, January-March 2020
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ISSN (Online): 2582- 0974
Website: www.mejast.com