scholarly journals Assessing the Effectiveness of Traditional and Virtual Reality Interfaces in Spherical Mechanism Design

1999 ◽  
Vol 121 (4) ◽  
pp. 507-514 ◽  
Author(s):  
P. T. Evans ◽  
J. M. Vance ◽  
V. J. Dark
Keyword(s):  
Virtual Reality ◽  
Engineering Design ◽  
Three Dimensional ◽  
Computer Interface ◽  
Human Computer Interface ◽  
Software Applications ◽  
Engineering Design Process ◽  
Spherical Mechanisms ◽  
Visual Tasks ◽  
Spherical Mechanism

Virtual reality (VR) interfaces have the potential to enhance the engineering design process, but before industry embraces them, the benefits must be understood and documented. The current research compared two software applications, one which uses a traditional human-computer interface (HCI) and one which uses a virtual reality HCI, that were developed to aid engineers in designing complex three-dimensional spherical mechanisms. Participants used each system to design a spherical mechanism and then evaluated the different interfaces. Participants rated their ability to interact with the computer images, their feelings about each interface, and their preferences for which interface device to use for certain tasks. The results indicated that participants preferred a traditional interface for interaction tasks and a VR interface for visual tasks. These results provide information about how to improve implementation of VR technology, specifically for complex three-dimensional design applications.

scholarly journals Assessing the Effectiveness of Traditional and Virtual Reality Interfaces in Spherical Mechanism Design

1998 ◽  
Author(s):  
Paul T. Evans ◽  
Judy M. Vance ◽  
Veronica J. Dark
Keyword(s):  
Virtual Reality ◽  
Engineering Design ◽  
Three Dimensional ◽  
Computer Interface ◽  
Human Computer Interface ◽  
Software Applications ◽  
Engineering Design Process ◽  
Spherical Mechanisms ◽  
Visual Tasks ◽  
Spherical Mechanism

Abstract Virtual reality (VR) interfaces have the potential to enhance the engineering design process, but before industry embraces them, the benefits must be understood and documented. The current research compared two software applications, one which uses a traditional human-computer interface (HCI) and one which uses a virtual reality HCI, that were developed to aid engineers in designing complex three-dimensional spherical mechanisms. Participants used each system to design a spherical mechanism and then evaluated the different interfaces. Participants rated their ability to interact with the computer images, their feelings about each interface, and their preferences for which interface device to use for certain tasks. The results indicated that participants preferred a traditional interface for interaction tasks and a VR interface for visual tasks. These results provide information about how to improve implementation of VR technology, specifically for complex three-dimensional design applications.

scholarly journals Spherical Mechanism Synthesis in Virtual Reality

1998 ◽  
Author(s):  
Todd J. Furlong ◽  
Judy M. Vance ◽  
Pierre M. Larochelle
Keyword(s):  
Virtual Reality ◽  
Design Space ◽  
Three Dimensional ◽  
Mechanism Synthesis ◽  
Kinematic Synthesis ◽  
New Approach ◽  
Spherical Mechanisms ◽  
Input Design ◽  
Previous Design ◽  
Spherical Mechanism

Abstract This paper presents a new approach to using virtual reality (VR) to design spherical mechanisms. VR provides a three dimensional design space where a designer can input design positions using a combination of hand gestures and motions and view the resultant mechanism in stereo using natural head movement to change the viewpoint. Because of the three dimensional nature of the design and verification of spherical mechanisms, VR is examined as a new design interface in this research. In addition to providing a VR environment for design, the research presented in this paper has focused on developing a “design in context” approach to spherical mechanism design. Previous design methods have involved placing coordinate frames along the surface of a constraint sphere. The new “design in context” approach allows a designer to freely place geometric models of movable objects inside an environment consisting of fixed objects. The fixed objects could either act as a base for a mechanism or be potential sources of interference with the motion of the mechanism. This approach allows a designer to perform kinematic synthesis of a mechanism while giving consideration to the interaction of that mechanism with its application environment.

scholarly journals Spherical Mechanism Synthesis in Virtual Reality

1999 ◽  
Vol 121 (4) ◽  
pp. 515-520 ◽  
Author(s):  
T. J. Furlong ◽  
J. M. Vance ◽  
P. M. Larochelle
Keyword(s):  
Virtual Reality ◽  
Design Space ◽  
Three Dimensional ◽  
Mechanism Synthesis ◽  
Kinematic Synthesis ◽  
New Approach ◽  
Spherical Mechanisms ◽  
Input Design ◽  
Previous Design ◽  
Spherical Mechanism

This paper presents a new approach to using virtual reality (VR) to design spherical mechanisms. VR provides a three-dimensional (3-D) design space where a designer can input design positions using a combination of hand gestures and motions and view the resultant mechanism in stereo using natural head movement to change the viewpoint. Because of the three-dimensional nature of the design and verification of spherical mechanisms, VR is examined as a new design interface in this research. In addition to providing a VR environment for design, the research presented in this paper has focused on developing a “design in context” approach to spherical mechanism design. Previous design methods have involved placing coordinate frames along the surface of a constraint sphere. The new “design in context” approach allows a designer to freely place geometric models of movable objects inside an environment consisting of fixed objects. The fixed objects could either act as a base for a mechanism or be potential sources of interference with the motion of the mechanism. This approach allows a designer to perform kinematic synthesis of a mechanism while giving consideration to the interaction of that mechanism with its application environment.

An Intuitive Human-Computer Interface for Large Display Virtual Reality Applications

2010 ◽  
Vol 7 (2) ◽  
pp. 269-278 ◽  
Author(s):  
X. B. Yang ◽  
S. H. Choi ◽  
K. K. Yuen ◽  
L. K. Y. Chan
Keyword(s):  
Virtual Reality ◽  
Computer Interface ◽  
Human Computer Interface ◽  
Large Display

Virtual Prototyping: New Information Techniques in Product Design

1996 ◽  
Author(s):  
Thomas Flaig ◽  
Magnus Thor Thrainsson
Keyword(s):  
Virtual Reality ◽  
Virtual Prototyping ◽  
New Products ◽  
International Competition ◽  
Computer Interface ◽  
Human Computer Interface ◽  
3D Space ◽  
3D Data ◽  
New Information ◽  
Virtual Product

Abstract International competition is characterised by the reduce of the innovation time. Therefore the success of new products strongly depends on the necessary time for their development. Virtual Reality, a new 3D human-computer interface accelerates significantly the processes of creating and handling 3D data in 3D space for design and evaluation purposes. The paper outlines required system tools for the design and evaluation of new products based on Virtual Reality techniques. The goal of these tools is to enable interaction in an intuitive and easy way with a virtual product. Furthermore tools have been developed for the support of co-operative work in a virtual environment.

Methods of 3D-Modelling With Parametric CAD-Systems of the Newest Generation

1997 ◽  
Author(s):  
Karl-H. Grote ◽  
Soeren Schumann
Keyword(s):  
Engineering Design ◽  
Design Process ◽  
Three Dimensional ◽  
Time Saving ◽  
Cad Systems ◽  
3D Cad ◽  
Engineering Design Process ◽  
Product Models ◽  
Computer Based ◽  
The Many

Abstract The authors are searching for new ways of using CAD-systems in the engineering design process. This contents among others the creation as well as the refreshing and continued handling of computer-based, three-dimensional product models to be built as prototypes on the department’s Rapid Prototyping machine [1, 2, 3]. In spite of the many advantages of the C-technologies, on several areas a deficit in its dissemination and effective usage still is noticed. The following paper will give an overview on how the parametrical, feature based 3D-CAD-modeler may support the engineering design process. It is described, which functionality the parametric functions of these modelers are offering to the user and how the work with parametrical CAD-systems is structured. Advises are given for a more competitive implementation and time saving work with these systems.

Customizing Multimedia and Collaborative Virtual Environments

2009 ◽  
pp. 202-210
Author(s):  
Paulo N.M. Sampaio ◽  
Ildeberto A. Rodello ◽  
Laura M. Rodríguez Peralta ◽  
Paulo Alexandre Bressan
Keyword(s):  
Virtual Reality ◽  
Virtual Environments ◽  
Three Dimensional ◽  
Modern Human ◽  
Traditional Education ◽  
Human Computer Interface ◽  
Collaborative Virtual Environments ◽  
3D Environment ◽  
Medicine Education ◽  
Education Process

Virtual reality (VR) represents a modern human-computer interface consisting of a three-dimensional (3D) environment generated by computer where the user can interact in different ways. VR can be applied in several applications domains such as medicine, education, entertainment, etc. In particular, interest is drawn to the application of VR in education since a student is able to interact and to be involved with a 3D environment, which simulates situations that are difficult or even impossible to be carried out in the traditional education process.

A VR Based 3D Graphics User Interface for CAD Modeling System

1999 ◽  
Author(s):  
J. M. Zheng ◽  
K. W. Chan ◽  
I. Gibson
Keyword(s):  
Virtual Reality ◽  
Computer Interface ◽  
Input Device ◽  
3D Graphics ◽  
Human Computer Interface ◽  
Human Computer Interactions ◽  
Virtual Technology ◽  
Cad Modeling ◽  
Virtual Tools ◽  
Position And Orientation

Abstract With the advancement of computer techniques, a greater emphasis has been placed on intuitive human-computer interactions (HCIs). Virtual Reality systems can offer a novel way for users to interact with the objects in the computer generated environment (the so called Virtual Environment, VE). Through VR technology, we have the ability to replace the traditional input device, such as keyboard and mouse, with other modes such as speech and gesture. In our research project, we use a CyberGlove, developed by Virtual Technology Inc., as an input device to develop a desktop CAD modeling system for conceptual designers. We elaborate the limitations of the Dataglove and use gestures to support intuitive human-computer interface. To develop this gesture interface, we emphasize that conceptual designers are allowed full-freedom to use different kinds of gestures to conduct various geometric shape operations instead of depending solely on keyboard and 2D mouse. The designers can indicate objects or directions simply by pointing with the hand, and manipulate the position and orientation of an object by grasping and turning. The “virtual tools” can be used for shaping, cutting, and joining objects. We employ the 3D GUIs for enhancing the gesture interface. In the VE, the 3D menu and “virtual hand” float over the objects rather than being part of the scene. Various 3D cursors can be used to select menu or manipulate the object.

Virtual Reality Promises New Design Capabilities

1994 ◽  
Author(s):  
Angela Trego ◽  
Spencer Magleby
Keyword(s):  
Virtual Reality ◽  
Engineering Design ◽  
Design Process ◽  
Mechanical Design ◽  
Design Engineering ◽  
Cad Systems ◽  
The Past ◽  
Engineering Design Process ◽  
Potential Applications ◽  
Computer Based

Abstract Virtual reality has received much attention in the past few years in relation to entertainment and simulation. Although there is much hype surrounding virtual reality, the underlying technologies and concepts could have a significant impact on computer-based design engineering tools. This paper explores the possible applications of virtual reality to the engineering design process. The objective of the described research is to explore opportunities to create tools, environments, and systems which will increase the designer’s productivity through the application of virtual reality (VR) technologies and concepts. Background on design, CAD and VR is presented to give a context for later proposals. Previous research in the application of VR to CAD is reviewed. Specific VR capabilities are presented to show their possible application in mechanical design and CAD systems specifically. The potential applications of VR are explored in a structured manner with examples for each category. The paper concludes with recommendations on further research and development directions.

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