Virtual Reality Platform Modelling and Design for Versatile Electric Wheelchair Simulation in an Enabled Environment PDF Download
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Author: Nico Steyn
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 334
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Book Description
Developes a wheelchair motion platform whereby its user may be introduced into a simulated world. This simulated world is then required to be closely related to real world spaces that will be encountered by a disabled person using a wheelchair as a mobility aid. The wheelchair to be accommodated in the simulation environment may have multiple mechanical construct possibilities. The wheelchair used on the simulation platform needs to be driven by a combination of two wheels, as is generally found on manual and electric wheelchairs. The final objective was to design the simulation as closely as possible to the real world in order to use the VS-1 motion platform for architectural evaluations, possible training and general research in the field of simulators used in an enabled environment.
Author: Nico Steyn
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 334
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Book Description
Developes a wheelchair motion platform whereby its user may be introduced into a simulated world. This simulated world is then required to be closely related to real world spaces that will be encountered by a disabled person using a wheelchair as a mobility aid. The wheelchair to be accommodated in the simulation environment may have multiple mechanical construct possibilities. The wheelchair used on the simulation platform needs to be driven by a combination of two wheels, as is generally found on manual and electric wheelchairs. The final objective was to design the simulation as closely as possible to the real world in order to use the VS-1 motion platform for architectural evaluations, possible training and general research in the field of simulators used in an enabled environment.
Author: Nico Steyn
Publisher:
ISBN:
Category :
Languages : en
Pages : 286
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Book Description
This research concerns the development of a virtual reality platform for a differential drive mobility aid in manual or electric wheelchairs with multipurpose usage in an enabled environment. The platform for the mobility aid is stationary, with pitch and roll actuated actions for possible different uses such as: manual or electric wheelchair driving simulations, wheelchair training, assistive technology research, architectural route planning and accessibility evaluation. By means of the platform, the differential drive mobility aid, is greatly able to assist inexperienced users in this method of mobility training. The use of the developed mobility simulation platform is additionally of benefit to disabled wheeled mobility users in need of occupational therapist training and evaluation. The investigation into the mobility factor will moreover be of further benefit in the area of the ergonomic designs of architectural structures for wheelchair-bound users. The platform is a mechatronic design with both mechanical and electrical properties. The mechanical components consist of drums, driven by the wheelchair and its user when placed on the platform, where acquired data of the rotation of the wheelchair's wheels are of importance. The platform is connected to actuators for simulating angular movements of the wheelchair approaching an inclining or declining given path. The simulator necessarily maps intended motion by an electric wheelchair user into the virtual world, taking into consideration influences such as collisions, gradient changes and different surface properties. Audio, motion and force feedback produced on the virtual mobility simulator give the users a sensory stimulus input with regard to sound, movement and balance. Ultimately, the design forms a unity, comprising a mechanical platform, the wheelchair and the enabled user, with the relevant kinematics and dynamics controlled in a simulated virtual reality environment.
Author: Mokete Isaac Motaung
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 146
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Book Description
Discusses how to develop the kinematic and dynamic model and the controller for the 2-DOf motion platform used in an augmented reality environment for wheelchair driving. This comes as a motivation to help to train disabled and elderly people to drive wheelchairs.. With accurate inverse dynamic model, it is possible to achieve high performance control algorithms of robots and direct dynamic model is required for their simulation. The other part of this research was to model and control the roller for the feedback of the wheelchair wheels.
Author: Yuliia Sergeeva
Publisher:
ISBN:
Category : Electric wheelchairs
Languages : en
Pages : 76
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Book Description
Power wheelchairs provide great assistance for people with locomotion disabilities. However, for those who have tremor, operation of the wheelchair can be challenging and result in a chance to get into an accident. The focus of this research project is to create a semi-virtual reality power wheelchair driving simulator that can be used for testing a notch filter for tremors in a safe laboratory environment and obtain data on human operator movements for future mathematical modeling. The simulator incorporates a realistic and immersive virtual environment and power wheelchair movement into it. For the experiment, a physical PWC joystick was connected to the PC through an Arduino programmable controller. The signal from the joystick was converted in the controller into a signal readable by the simulation software to move the virtual power wheelchair in the virtual environment; the simulation software sends a joystick signal back to the physical wheelchair, again through the controller, to produce wheelchair wheel movement and sound consistent with the actions in the virtual environment. A participant experiences the semi-virtual environment sitting in a physical wheelchair located on a stationary drive platform and wearing head-mounted virtual reality headset. Plots of the powered wheelchair joystick inputs, velocity, rotational velocity about the center of mass, rotational angle around the center of mass, rotational velocity of each wheel and trajectory of the wheelchair are compared and discussed in this research work. Results show that the simulator is functioning successfully and outputs the results required for future analysis.
Author: Kyle Daniel Burdick
Publisher:
ISBN:
Category : Virtual reality
Languages : en
Pages : 76
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Book Description
Author: Cassandra Dearborn
Publisher:
ISBN:
Category : Chairs for people with disabilities
Languages : en
Pages : 94
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Book Description
Author: Adam Bohr
Publisher: Academic Press
ISBN: 0128184396
Category : Computers
Languages : en
Pages : 385
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Book Description
Artificial Intelligence (AI) in Healthcare is more than a comprehensive introduction to artificial intelligence as a tool in the generation and analysis of healthcare data. The book is split into two sections where the first section describes the current healthcare challenges and the rise of AI in this arena. The ten following chapters are written by specialists in each area, covering the whole healthcare ecosystem. First, the AI applications in drug design and drug development are presented followed by its applications in the field of cancer diagnostics, treatment and medical imaging. Subsequently, the application of AI in medical devices and surgery are covered as well as remote patient monitoring. Finally, the book dives into the topics of security, privacy, information sharing, health insurances and legal aspects of AI in healthcare. Highlights different data techniques in healthcare data analysis, including machine learning and data mining Illustrates different applications and challenges across the design, implementation and management of intelligent systems and healthcare data networks Includes applications and case studies across all areas of AI in healthcare data
Author: Oliver Bimber
Publisher: CRC Press
ISBN: 1439864942
Category : Computers
Languages : en
Pages : 386
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Book Description
Like virtual reality, augmented reality is becoming an emerging platform in new application areas for museums, edutainment, home entertainment, research, industry, and the art communities using novel approaches which have taken augmented reality beyond traditional eye-worn or hand-held displays. In this book, the authors discuss spatial augmented r
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309051355
Category : Computers
Languages : en
Pages : 557
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Book Description
Despite widespread interest in virtual reality, research and development efforts in synthetic environments (SE)â€"the field encompassing virtual environments, teleoperation, and hybridsâ€"have remained fragmented. Virtual Reality is the first integrated treatment of the topic, presenting current knowledge along with thought-provoking vignettes about a future where SE is commonplace. This volume discusses all aspects of creating a system that will allow human operators to see, hear, smell, taste, move about, give commands, respond to conditions, and manipulate objects effectively in a real or virtual environment. The committee of computer scientists, engineers, and psychologists on the leading edge of SE development explores the potential applications of SE in the areas of manufacturing, medicine, education, training, scientific visualization, and teleoperation in hazardous environments. The committee also offers recommendations for development of improved SE technology, needed studies of human behavior and evaluation of SE systems, and government policy and infrastructure.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Book Description
Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.
