Papers by Keyword: Haptics

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Authors: Yun Bae Kim, Gi Sang Choi
Abstract: Haptic feedback force is often suggested to complement visual information through the sense of touch to improve efficiency and safety in the teleoperation of mobile robot. The efficiency and safety of teleoperation are strongly dependent upon how haptic feedback is presented to the operator. In this study a haptic feedback scheme for teleoperation of mobile robot is developed and its effectiveness is experimentally verified. Experimental results show that the developed scheme improves the quality of mobile robot teleoperation in terms of improvement in efficiency and safety.
Authors: Wei Yu Chen, Yen Ming Chu, Makoto Sato, Teruki Honma
Abstract: Haptic technology again receives extensive attentions recently by virtue of improvement on Internet Technology. This paper presents an applicable platform for Haptics by employing physical features of sense-of-touch through electromechanical devices and the latest attractive HTML standard specified by W3C, aims at offering new attributes and reliable communications with the ease of use for web content. In addition, the proposed platform demonstrates its significance on wrapping up fundamental rendering methodologies including Haptics and web graphical content, is a step forward in supporting study of all fields related to web-based interactive content (e.g., Haptics researchers, physicists, software engineers, and web designers). Finally, we provide a conceptual example of proposed platform and prove its proficiency on haptic data communication. The results of the experimental evaluations highlight the effectiveness, stableness, affordance and extensibility for future research.
Authors: Jong Woo Park, Seung Jin Lee, Joo No Cheong
Abstract: Conventional limb rehabilitation requires a person-to-person meeting in a same physical place within a fixed setting. The virtual reality (VR) aid for rehabilitation therapy eliminates such limitations by utilizing computer generated virtual environment and off-the-shelf haptic devices. In the proposed upper limb rehabilitation system, two identical VR systems, placed one in the expert (therapist) location and the other in the learner (patient), are connected via communication network, enabling interactive rehabilitation training in separate places. For the effective training and evaluation, the expert and learner’s haptic devices are synchronized in real-time with slight active correction by human’s active visual feedback. To verify the feasibility and usability, example tests are presented for the developed laboratory test system.
Authors: Harriet Meinander
Abstract: The haptic properties of textiles are of crucial importance in most application areas and particularly for skin contact garments. Extensive research work has therefore been done both in defining the mechanical textile properties, which influence the haptic sensations, in measuring these textile properties, in defining procedures for subjective evaluation of the haptics of textiles, and in simulation of the properties in a virtual environment. In the development of new smart or intelligent textiles it is particularly important to consider the haptic properties. The introduction of non-textile elements (e.g. sensors, transmitters) in the garments or other textile products easily cause impaired haptic or other comfort properties, which might not be accepted by the markets and the end-users. A primary application area for smart garments is in the health care, where tight fitting underwear garments for the monitoring of body functions (heart rate, ECG, temperature) have been developed. Good haptic properties are particularly important for unhealthy or elderly persons with very sensitive skin.
Authors: Seok Hoon Kang
Abstract: Due to the rapid development of mobile devices, the interface requirements are more diverse, and the vibration is one of them. In this paper, implementation of local vibration on mobile devices, we propose how to implement the spatial vibration. The method being proposed tries to implement the local vibration by delivering the vibration of the vibrator to the user effectually. The local vibration was implemented through the vibration transfer ability reduction between arrangement of the vibrator and mobile apparatus and vibrator.
Authors: Haruhiko Kawasaki
Abstract: Haptic interfaces that represent force and tactile feeling have been utilized in the areas of telemanipulation, interaction with microscale and nanoscale phenomena, and medical training and evaluation, to mention only some applications. A multi-fingered haptic interface has greater potential for these kinds of applications than does a singlepoint haptic interface. We developed a five-fingered haptic interface robot named HIRO II, which consists of a hand with 15 dof and an arm with 6 dof. The following research issues are presented: the design method of mechanism, an interface control that takes the redundancy of the mechanism into consideration, physical simulation including frictional force and moment, a haptic rendering with a deformable object, the system architecture and two application systems--a future science encyclopedia and a VR breast palpation system.
Authors: Raluca Elena Sofronia, Arjana Davidescu, George Gustav Savii
Abstract: Bone sawing skill demands a high level of dexterity from the surgeon that can be achieved only with a lot of training. Sawing is a basic skill required in many procedures, such as: osteotomy, ostectomy, amputation and arthroplasty surgery. Inefficient sawing can lead in orthognathic surgery to nerve lesion, bad split and non-union. Using virtual reality technology this complications can be reduced, by training the students on simulators until they assimilate the skill. This paper presents an early prototype for a bone sawing simulator in orthognathic surgery. A voxel-based mandible model obtained from a Computer Tomography is cut by removing the voxels that are inside the saw blade. The collision detection is based on hierarchical bounding volumes. The removal process is observed both visually and haptically.
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