Virtual System Using Haptic Device for Real-Time Tele-Rehabilitation of Upper Limbs

2018 ◽  
pp. 136-152
Author(s):  
Ivón Escobar ◽  
Catherine Gálvez ◽  
Gabriel Corrales ◽  
Edwin Pruna ◽  
Marco Pilatasig ◽  
...  
Keyword(s):  
Real Time ◽  
Haptic Device ◽  
Upper Limbs ◽  
Virtual System

A Real-time FEM Simulation for Cutting Operation using Haptic Device

2008 ◽  
pp. 677-677
Author(s):  
Tomoyuki Miyashita ◽  
Hiroshi Yamauchi ◽  
Masatomo Inui ◽  
Hiroshi Yamakawa
Keyword(s):  
Real Time ◽  
Fem Simulation ◽  
Haptic Device ◽  
Cutting Operation

scholarly journals Internet of Things for Smart Environment and Integrated Ecosystem

2018 ◽  
Vol 7 (3.12) ◽  
pp. 1218
Author(s):  
Renu Thapliyal ◽  
Ravi Kumar Patel ◽  
Ajit Kumar Yadav ◽  
Akhilesh Singh
Keyword(s):  
Internet Of Things ◽  
Real Time ◽  
Wireless Sensors ◽  
Home Automation ◽  
Time System ◽  
Real Time System ◽  
Introduction History ◽  
Virtual System ◽  
Increasing Demand ◽  
Real Time Application

Internet of things (IoT) is in increasing demand in our daily life. This is the technology that transforms the real-time system into the virtual system and makes the communication in between machines. The rapid growth of IoT can be easily noticed in industries like home automation, transport, robotics, environment, energy, water domain etc. The IoT is a technological revolution that represents the future of computing and communications, and its development depends on dynamic technical innovation in a number of important fields, from wireless sensors to nanotechnology. They are going to tag each object for identifying, automating, monitoring and controlling. The aim of this paper is to give an overview of introduction, history, architecture, real-time application, challenges and future aspects of IoT along with statistics and its application in monitoring for future.  

Design and Implementation of a Real-Time Upper Limbs Dyskinesia Detection System

2019 ◽  
Author(s):  
G. Belgiovine ◽  
M. Capecci ◽  
L. Ciabattoni ◽  
M. C. Fiorentino ◽  
G. Foresi ◽  
...  
Keyword(s):  
Real Time ◽  
Detection System ◽  
Upper Limbs ◽  
Design And Implementation

scholarly journals AN AMPUTATION SIMULATOR WITH BONE SAWING HAPTIC INTERACTION

2006 ◽  
Vol 18 (05) ◽  
pp. 229-236 ◽  
Author(s):  
MING-SHIUM HSIEH ◽  
MING-DAR TSAI ◽  
YI-DER YEH
Keyword(s):  
Real Time ◽  
Surgical Procedures ◽  
Feed Rate ◽  
Haptic Device ◽  
Surgical Simulator ◽  
Haptic Interaction ◽  
Sawing Force ◽  
Bone Changes ◽  
Amputation Surgery ◽  
Ct Slices

This paper describes a haptic device equipped surgical simulator that provides visual and haptic responses for amputation surgery. This simulator, based on our reported volume (constituted from CT slices) manipulation algorithms, can compute and demonstrate bone changes for the procedures in various orthopedic surgeries. The system is equipped with a haptic device. The position and attitude the haptic device are transformed into the volume to simulate and render the oscillating virtual saw together with the virtual bones. The system then judges if every saw tooth immersing in (cutting) any bone. The load for removing the bone chip on a cutting tooth is calculated according to the feed rate, oscillating speed, saw geometry and bone type. The loads on all the saw teeth are then summed into the three positional forces that the haptic device generates and thus the user feels. The system provides real-time visual and haptic refresh speeds for the sawing procedures. A simulation example of amputation surgery demonstrates the sawing haptic and visual feelings of the sawing procedure are consistent and the simulated sawing force resembles the real force. Therefore, this prototype simulator demonstrates the effectiveness as a surgical simulator to rehearsal the surgical procedures, confirm surgical plains and train interns and students.

Communication Method of Time Synchronization and Strength Using Haptic Interface

2014 ◽  
Vol 26 (6) ◽  
pp. 772-779
Author(s):  
Takashi Asakawa ◽  
◽  
Noriyuki Kawarazaki ◽  
Keyword(s):  
Real Time ◽  
Visually Impaired ◽  
Time Synchronization ◽  
Haptic Device ◽  
Haptic Interface ◽  
Acceleration Sensor ◽  
Vibration Strength ◽  
Music Lessons ◽  
Communication Method ◽  
Radio Signals

<div class=""abs_img""><img src=""[disp_template_path]/JRM/abst-image/00260006/10.jpg"" width=""300"" />Electric music baton system</div> We are developing an electronic baton system as an alternative haptic interface to facilitate music lessons for the visually impaired. This system incorporates an acceleration sensor in the baton, transmits data to a player via radio signals, and acts as a haptic interface by generating vibrations. In this paper, we experimentally evaluate responses to the stimulus of the visual and the tactile senses in order to verify that a haptic interface can substitute for vision in scenarios that involve real-time tasks, such as music lessons. In the first experiment, we verify that clue motions are important for both the visual and a tactile senses. Next, we test the new method of communicating strength. Thismethod uses not vibration strength but oscillating time for vibrations of the haptic device. The results of the experiment confirm that the technique is effective. </span>

scholarly journals Improved Haptic Fidelity Via Reduced Sampling Period With an FPGA-Based Real-Time Hardware Platform

2009 ◽  
Vol 9 (1) ◽  
Author(s):  
Marcia K. O’Malley ◽  
Kevin S. Sevcik ◽  
Emilie Kopp
Keyword(s):  
Real Time ◽  
Sampling Rate ◽  
Sampling Period ◽  
Haptic Device ◽  
Sensor Data ◽  
Haptic Interface ◽  
Hardware System ◽  
Surface Stiffness ◽  
Simulated Environment ◽  
Field Programmable

A haptic virtual environment is considered to be high-fidelity when the environment is perceived by the user to be realistic. For environments featuring rigid objects, perception of a high degree of realism often occurs when the free space of the simulated environment feels free and when surfaces intended to be rigid are perceived as such. Because virtual surfaces (often called virtual walls) are typically modeled as simple unilateral springs, the rigidity of the virtual surface depends on the stiffness of the spring model. For impedance-based haptic interfaces, the stiffness of the virtual surface is limited by the damping and friction inherent in the device, the sampling rate of the control loop, and the quantization of sensor data. If stiffnesses greater than the limit for a particular device are exceeded, the interaction between the human user and the virtual surface via the haptic device becomes nonpassive. We propose a computational platform that increases the sampling rate of the system, thereby increasing the maximum achievable virtual surface stiffness, and subsequently the fidelity of the rendered virtual surfaces. We describe the modification of a PHANToM Premium 1.0 commercial haptic interface to enable computation by a real-time operating system (RTOS) that utilizes a field programmable gate array (FPGA) for data acquisition between the haptic interface hardware and computer. Furthermore, we explore the performance of the FPGA serving as a standalone system for communication and computation. The RTOS system enables a sampling rate for the PHANToM that is 20 times greater than that achieved using the “out of the box” commercial hardware system, increasing the maximum achievable surface stiffness twofold. The FPGA platform enables sampling rates of up to 400 times greater, and stiffnesses over 6 times greater than those achieved with the commercial system. The proposed computational platforms will enable faster sampling rates for any haptic device, thereby improving the fidelity of virtual environments.

3D Virtual System for Strengthening Lower and Upper Limbs in Children

2018 ◽  
pp. 1020-1029
Author(s):  
Edwin Pruna ◽  
Jenny Tigse ◽  
Alexandra Chuquitarco ◽  
Marco Pilatásig ◽  
Ivón Escobar ◽  
...  
Keyword(s):  
Upper Limbs ◽  
Virtual System
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