Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Haptic devices"”.
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Analysis, development, and control of multi-degree-of-freedom passive haptic devices
… and transparency are key design requirements in haptic devices. Replacing conventional electric motors with passive actuators such as brakes or dampers can improve both stability and transparency as passive actuators can display a wide range of impedance while guaranteeing stability. However, …
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Virtual drilling haptics perception from auditory cues employing low-end haptic devices
… virtual domain require high-end and expensive haptic devices and are therefore, often overlooked. Current high-end haptic devices are restricted to larger institutions that can afford the complex hardware, thus limiting a larger user install base. On the other hand, low-end haptic devices with …
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Low-latency architectures for piezo-driven wearable haptic devices for industry 4.0 applications
… the major source of delay is coming from piezo haptic driver block. This led to a detailed analysis of piezo haptic driver architectures and to proposing three novel architectures for such drivers. The proposed solutions have been modelled and simulated in MATLAB and MULTISIM and, following …
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Examining the effects of embodiment on performance and learning of drilling actions using pseudo-haptics and standard computer equipment
… are limited due to the need for expensive haptic devices to simulate haptic cues. While pseudo-haptics presents an accessible and cost-effective alternative to haptic devices, no empirical data support the notion of coupling it with embodiment which is crucial for psychomotor skill …
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Haptic Interaction with 3D oriented point clouds on the GPU
… is gaining popularity and importance as di�erent haptic devices and technologies increasingly provide the basis for realistic interaction. Haptic Interaction is being used for a wide range of applications such as medical training, remote robot operators, tactile displays and video games. Virtual …
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A body-grounded kinesthetic haptic device for virtual reality
Kinesthetic haptic devices can make us feel that we are touching or holding objects that are not actually there by applying a force directly onto a user's body. As a corollary of Newton's third law, these devices are typically attached to the ground or else they would not be able to apply a net …
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Force control for one degree of freedom haptic device using PID Controller
Haptics has been used as an additional feedback to increase human experience to the environment over years and its application has been expanded into education, manufacturing and medical. The most developed haptic devices are for rehabilitation purpose. The rehabilitation process usually depends on …
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HAPTIC AND EXOSKELETON DEVICES FOR NEUROREHABILITATION OF UPPER LIMB PARALYSIS: A STATE OF ART AND A NIGHT LANDING TASK
… the usage of effective rehabilitation by using haptic devices in a virtual environment. The type of haptic device and task are crucial for the success of the therapy training sessions. After presenting a state-of-art literature review of several haptic devices that has been used in research and …
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Simulating a virtual drilling task using audio, visual, and mouse movement cues during the COVID-19 pandemic
… of appropriate audio, visual cues, and basic haptic stimuli obtained with mouse movements instead of a haptic device. Two experiments were conducted where participants were asked to accomplish a virtual drilling task (drilling a block of virtual wood) under different visual, auditory, and …
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Examining the haptic prototyping process using a novel open source haptic creation tool
Haptics have advanced rapidly in the past decade and are increasingly used by AAA game developers. They are an essential way of delivering tactile information in everything from watches to theatre seats. Our research aims to improve how haptic effects can be prototyped and iterated on by …
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Affordable Haptic Gloves Beyond the Fingertips
… in popularity of virtual reality (VR) systems, haptic devices have been garnering interest as means of augmenting users' immersion and experiences in VR. Unfortunately, most commercial gloves available on the market are targeted towards enterprise and research, and are too expensive to be …
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A platform for reaching into the environment of a remote collaborator
… Mounted Display (HMD), depth camera and wearable haptic devices to create a system that (1) enables a remote user to be immersed in another first-person's point of view, (2) offers a new way for the remote expert to provide guidance through three dimensional, real-time hand gestures and voice, (3) …
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The Effect of Interaction Method and Vibrotactile Feedback on User Experience and Performance in the VR Games
… and intuitive interaction. In addition, wearable haptic devices are another approach to provide engaging and immersive experiences. However, controllers are still prevalent in VR (Virtual Reality) games as a main interaction device. Also, haptic devices are rare and not widely accepted by users …
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Development of novel haptic tools for virtual navigation
Learning how to navigate a real space using haptic virtual environments can be challenging. One major issue is the inefficient rate of exploration due to the single point interface of haptic devices. The use of haptic fields such as repulsive and attractive force fields was studied to determine …
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Novel haptic interface For viewing 3D images
In recent years there has been an explosion of devices and systems capable of displaying stereoscopic 3D images. While these systems provide an improved experience over traditional bidimensional displays they often fall short on user immersion. Usually these systems only improve depth perception by …
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Augmenting User Interfaces with Haptic Feedback
… of dexterity and accuracy. Traditional input devices are designed for able-bodied users and often do not meet the needs of someone with disabilities. As the key feature of most graphical user interfaces (GUIs) is to point-and-click with a cursor this can make a computer inaccessible for many …
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Directional impedance of geared transmissions
… issues especially in dynamic legged robots and haptic devices when accurate force control is desired. In this paper we present directional impedance, a characteristic of geared transmissions in which the amount of power loss through the transmission differs according to the direction of power …
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Non-visual Access to the World Wide Web: Investigations of Design Guidelines and Haptic Interfaces.
… of Web content was investigated using a haptic device. The perception of virtual textures and objects by blind and sighted people via this device was examined. It was found that the virtual textures were perceived differently to the real textures examined in the literature, and that the …
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Dynamic Shared State Maintenance In Distributed Virtual Environments
… a wide range of electronic motion sensors, and haptic devices. Part of the work presented here defines a novel criterion for categorization of distributed interactive VE and introduces, as well as analyzes, an adaptive synchronization algorithm for consistency maintenance in such environments. …
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Delivering Expressive And Personalized Fingertip Tactile Cues
Wearable haptic devices have seen growing interest in recent years, but providing realistic tactile feedback is not a challenge that is soon to be solved. Daily interactions with physical objects elicit complex sensations at the fingertips. Furthermore, human fingertips exhibit a broad range of …
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