A Human Factors Simulation Tool for Stereoscopic Displays

1994 ◽  
Vol 38 (19) ◽  
pp. 1290-1294
Author(s):  
William F. Reinhart ◽  
Charles J.C. Lloyd
Keyword(s):  
Decision Makers ◽  
Design Parameters ◽  
Simulation Tool ◽  
Display Design ◽  
Simulation Tools ◽  
Stereoscopic Displays ◽  
Head Mounted Display ◽  
Design Cycle ◽  
The One ◽  
Display Systems

The increasing complexity of advanced display systems places increased importance on simulation tools. Display simulation tools allow the development of displays with the desired balance of image quality and end cost while reducing the time and cost otherwise associated with iterative testing of physical prototypes. In addition, simulation offers the advantage of permitting demonstration of display systems to targeted users and decision makers early in the display design cycle, allowing for more feedback in the design process. A new display simulation tool is described in this paper with the capability of simulating advanced electronic stereoscopic displays. To illustrate the use of this tool, an evaluation of a simulated stereoscopic head-mounted display is reported. Surgeons viewed stereoscopic laparoscopic imagery and rated the acceptability of display gray scale, resolution, and field of view. Clear preferences were seen for levels of each of these parameters. Simulations such as the one described in this report play an invaluable role in defining acceptable design parameters prior to commitment to display production.

Construction of a Code Verification Matrix for Heat Conduction With Finite Element Code Applications

2020 ◽  
Vol 5 (4) ◽  
Author(s):  
Aysenur Toptan ◽  
Nathan W. Porter ◽  
Jason D. Hales ◽  
Benjamin W. Spencer ◽  
Martin Pilch ◽  
...  
Keyword(s):  
Finite Element ◽  
Heat Conduction ◽  
Analytic Solution ◽  
Analytic Solutions ◽  
Simulation Tool ◽  
Code Verification ◽  
Simulation Tools ◽  
Steady State Heat ◽  
The One ◽  
Selection Of

Abstract When establishing the pedigree of a simulation tool, code verification is used to ensure that the implemented numerical algorithm is a faithful representation of its underlying mathematical model. During this process, numerical results on various meshes are systematically compared to a reference analytic solution. The selection of analytic solutions can be a laborious process, as it is difficult to establish adequate code confidence without performing redundant work. Here, we address this issue by applying a physics-based process that establishes a set of reference problems. In this process, code simulation options are categorized and systematically tested, which ensures that gaps in testing are easily identified and addressed. The resulting problems are primarily intended for code verification analysis but may also be useful for comparison to other simulation codes, troubleshooting activities, or training exercises. The process is used to select fifteen code verification problems relevant for the one-dimensional steady-state heat conduction equation. These problems are applicable to a wide variety of simulation tools, but, in this work, a demonstration is performed using the finite element-based nuclear fuel performance code BISON. Convergence to the analytic solution at the theoretical rate is quantified for a selection of the problems, which establishes a baseline pedigree for the code. Not only can this standard set of conduction solutions be used for verification of other codes, but also the physics-based process for selecting problems can be utilized to quantify and expand testing for any simulation tool.

scholarly journals Human autonomy, technological automation (and reverse)

AI & Society ◽  
2021 ◽  
Author(s):  
Simona Chiodo
Keyword(s):  
Autonomous Vehicles ◽  
Decision Makers ◽  
The Other ◽  
Individual Responsibility ◽  
Individual Autonomy ◽  
Moral Decision ◽  
Philosophical Perspective ◽  
Other Hand ◽  
Human Autonomy ◽  
The One

AbstractWe continuously talk about autonomous technologies. But how can words qualifying technologies be the very same words chosen by Kant to define what is essentially human, i.e. being autonomous? The article focuses on a possible answer by reflecting upon both etymological and philosophical issues, as well as upon the case of autonomous vehicles. Most interestingly, on the one hand, we have the notion of (human) “autonomy”, meaning that there is a “law” that is “self-given”, and, on the other hand, we have the notion of (technological) “automation”, meaning that there is something “offhand” that is “self-given”. Yet, we are experiencing a kind of twofold shift: on the one hand, the shift from defining technologies in terms of automation to defining technologies in terms of autonomy and, on the other hand, the shift from defining humans in terms of autonomy to defining humans in terms of automation. From a philosophical perspective, the shift may mean that we are trying to escape precisely from what autonomy founds, i.e. individual responsibility of humans that, in the Western culture, have been defined for millennia as rational and moral decision-makers, even when their decisions have been the toughest. More precisely, the shift may mean that we are using technologies, and in particular emerging algorithmic technologies, as scapegoats that bear responsibility for us by making decisions for us. Moreover, if we consider the kind of emerging algorithmic technologies that increasingly surround us, starting from autonomous vehicles, then we may argue that we also seem to create a kind of technological divine that, by being always with us through its immanent omnipresence, omniscience, omnipotence and inscrutability, can always be our technological scapegoat freeing us from the most unbearable burden of individual responsibility resulting from individual autonomy.

Design of a Directional Olfactory Display to Study the Integration of Vision and Olfaction

2018 ◽  
Author(s):  
Lorenzo Micaroni ◽  
Marina Carulli ◽  
Francesco Ferrise ◽  
Monica Bordegoni ◽  
Alberto Gallace
Keyword(s):  
Virtual Reality ◽  
Low Cost ◽  
Olfactory Cues ◽  
Input Device ◽  
Experimental Setup ◽  
Initial Testing ◽  
Head Mounted Display ◽  
Innovative System ◽  
The One ◽  
Olfactory Display

This research aims to design and develop an innovative system, based on an olfactory display, to be used for investigating the directionality of the sense of olfaction. In particular, the design of an experimental setup to understand and determine to what extent the sense of olfaction is directional and whether there is prevalence of the sense of vision over the one of smell when determining the direction of an odor, is described. The experimental setup is based on low cost Virtual Reality (VR) technologies. In particular, the system is based on a custom directional olfactory display, an Oculus Rift Head Mounted Display (HMD) to deliver both visual and olfactory cues and an input device to register subjects’ answers. The VR environment is developed in Unity3D. The paper describes the design of the olfactory interface as well as its integration with the overall system. Finally the results of the initial testing are reported in the paper.

scholarly journals MODEL IMPLEMENTASI KEBIJAKAN PENDIDIKAN KOTA SEMARANG PADA ERA OTONOMI DAERAH

2012 ◽  
Vol 1 (2) ◽  
Author(s):  
Muhdi PPs Universitas Negeri Semarang
Keyword(s):  
Decision Making ◽  
Research And Development ◽  
Educational Policy ◽  
Good Governance ◽  
Decision Makers ◽  
Local Autonomy ◽  
Implementation Model ◽  
Development Approach ◽  
The One ◽  
Management Functions

Abstract. Local autonomy in the education sector has been implemented for more than ten years; however, the results have not been satisfactory yet and have even created various problems, including in Semarang City. The objective of this research is to obtain the implementation model of the educational policy of Semarang City in the local autonomy era. This research uses the research and development approach. The research results show that the appropriate implementation model of the educational policy of Semarang City in the local autonomy era is the one which applies the interactive and participative principles, management functions and good governance. The decision making and the accomplishment of the educational policy should be done through the interactions among the decision makers, the decision implementers and the decision users so that all parties can give inputs and evaluation. The implementation of the policy is accomplished by applying the management functions especially organizing, actuating and controlling as well as applying the principle of good governance, i.e. transparency, accountability, fairness and responsiveness.Abstrak. Otonomi daerah bidang pendidikan telah lebih sepuluh tahun dilaksanakan; namun hasilnya belum menggembirakan, bahkan memunculkan berbagai masalah baru, termasuk di kota Semarang. Tujuan penelitian ini adalah mendapatkan model implementasi kebijakan pendidikan kota Semarang pada era otonomi daerah. Pendekatan dalam penelitian ini adalah penelitian dan pengembangan. Hasil penelitian ini adalah:?é?á bahwa model implementasi kebijakan pendidikan kota Semarang pada era otonomi daerah yang sesuai adalah model implementasi kebijakan pendidikan yang menerapkan prinsip interaktif, partisipatif, fungsi manajemen dan good governance. Penetapan kebijakan pelaksana dilakukan dengan?é?á interaksi antara penentu kebijakan, pelaksana kebijakan dan pengguna kebijakan, sehingga para pihak dapat memberikan masukan dan evaluasi. Pelaksanaan kebijakan dilakukan dengan?é?á menerapkan fungsi manajemen khususnya organizing, actuating, controlling, dan menerapkan prinsip good goverenance yaitu transparansi, akuntabilitas, fairnes dan responsivitas.Key words: Interactive, participative, management, good goverenance.

scholarly journals Web Atlas como Herramienta para la Gestión Integrada Costera: de los Datos al Conocimiento Práctico

2021 ◽  
Vol 6 (Vol Esp. 2) ◽  
pp. 427-454
Author(s):  
Sílvia Maria Sartor ◽  
Marcos Reis Rosa ◽  
Juliana Tristão Pires ◽  
Claudio Augusto Oller Nascimento
Keyword(s):  
Collaborative Work ◽  
Decision Makers ◽  
Scientific Language ◽  
The Public ◽  
Paulo State ◽  
Impact Indicators ◽  
Coastal Area Management ◽  
The One ◽  
Multiple Impact ◽  
Existing Data

Despite the importance of coastal areas to sustainable development, they are poorly known by the public or even by decision-makers. This undermines consistent action towards their protection. Existing data and information, published in very complex language, tend to be restricted to academic use. The Coastal Web Atlas as the one developed here is a tool that makes this information more accessible to managers, by preserving, integrating, comparing, and sharing data as smart maps. The spatial analysis based on multiple impact indicators facilitates the correlation of causes and effects. The Coastal Web Atlas is available to a broad audience and it could be a strong instrument for spatial planning and oversight. The authors propose to improve coastal area management by using colors on maps to decode scientific language to friendly language and to publish it on a geoportal. This technology promotes the use of collected data and enables collaborative work. A pilot experiment is being developed in the Santos Port Region, at the São Paulo state coast, Brazil: http://santoswebatlas.com.br/

scholarly journals Serbia's Military Neutrality: Origins, effects and challenges

2014 ◽  
Vol 20 (71) ◽  
pp. 43-69 ◽  
Author(s):  
Filip Ejdus
Keyword(s):  
Prime Minister ◽  
Decision Makers ◽  
Western Balkans ◽  
Military Reform ◽  
Traumatic Memories ◽  
Eu Membership ◽  
The One ◽  
The Military ◽  
Domestic Power ◽  
Nato Intervention

Abstract Serbia is the only state in the Western Balkans that is not seeking NATO membership. In December 2007, Serbia declared military neutrality and in spite of its EU membership aspirations, developed very close relations with Moscow. The objective of this paper is threefold. First, I argue that in order to understand why Serbia declared military neutrality, one has to look both at the discursive terrain and domestic power struggles. The key narrative that was strategically used by mnemonic entrepreneurs, most importantly by the former Prime Minister Vojislav Koštunica, to legitimize military neutrality was the trauma of NATO intervention in 1999 and the ensuing secession of Kosovo. In the second part of the paper, I discuss the operational consequences of the military neutrality policy for Serbia's relations with NATO and Russia, as well as for military reform and EU accession. Finally, I spell out the challenges ahead in Serbia's neutrality policy and argue that its decision makers will increasingly be caught between pragmatic foreign policy requirements on the one hand and deeply entrenched traumatic memories on the other.

Nonlinear Transient Response and its Sensitivity Using Finite Elements in Time

1995 ◽  
Author(s):  
Rakesh K. Kapania ◽  
Sungho Park
Keyword(s):  
Finite Elements ◽  
Transient Response ◽  
Legendre Polynomials ◽  
Design Parameters ◽  
Algebraic Equations ◽  
System Parameters ◽  
Nonlinear Transient ◽  
Linear And Nonlinear ◽  
Bilinear Formulation ◽  
The One

Abstract The bilinear formulation proposed earlier by Peters and Izadpanah to develop finite elements in time to solve undamped linear systems, is extended (and found to be readily amenable) to develop time finite elements to obtain transient responses of both linear and nonlinear, and damped and undamped systems. The formulation is used in the h-, p- and hp-versions. The resulting linear and nonlinear algebraic equations are differentiated to obtain the sensitivity of the transient response with respect to various design parameters. The present developments were tested on a series of linear and nonlinear examples and were found to yield, when compared with results obtained using other methods, excellent results for both the transient response and its sensitivity to system parameters. Mostly, the results were obtained using the Legendre polynomials as basis functions, though, in some cases other orthogonal polynomials namely, the Hermite, the Chebyshev, and integrated Legendre polynomials were also employed (but to no great advantage). A key advantage of the time finite element method, and the one often overlooked in its past applications, is the ease in which the sensitivity of the transient response with respect to various system parameters can be obtained.

Be[ing] You

2015 ◽  
pp. 18-32
Author(s):  
Lorna Ann Moore
Keyword(s):  
Digital Media ◽  
The Body ◽  
Mirror Stage ◽  
Head Mounted Display ◽  
Personal Accounts ◽  
The One ◽  
The Impact ◽  
The Relationship ◽  
The Way ◽  
Video Performance

This chapter discusses the one-to-one interactions between participants in the video performance In[bodi]mental. It presents personal accounts of users' body swapping experiences through real-time Head Mounted Display systems. These inter-corporeal encounters are articulated through the lens of psychoanalyst Jacques Lacan and his work on the “Mirror Stage” (1977), phenomenologist Maurice Merleau-Ponty (1968) and his writings on the Chiasm, and anthropologist Rane Willerslev's (2007) research on mimesis. The study of these positions provides new insights into the blurred relationship between the corporeal Self and the digital Other. The way the material body is stretched across these divisions highlights the way digital media is the catalyst in this in[bodied] experience of be[ing] in the world. The purpose of this chapter is to challenge the relationship between the body and video performance to appreciate the impact digital media has on one's perception of a single bounded self and how two selves become an inter-corporeal experience shared through the technology.

Virtual Visual and Auditory Display Aids for a Peg Insertion Task

1997 ◽  
Vol 41 (2) ◽  
pp. 1263-1267
Author(s):  
Kenneth Nemire
Keyword(s):  
Movement Time ◽  
Depth Information ◽  
Auditory Display ◽  
Discrete Movements ◽  
Stereoscopic Displays ◽  
Head Mounted Display ◽  
Immersive Virtual Environment ◽  
Stereo Display ◽  
Place Task ◽  
Task Conditions

Effects of visual and auditory display enhancements to a pick-and-place task performed in an immersive virtual environment were evaluated to determine whether the enhancements may replace depth information provided by stereoscopic visual displays. Participants used a commercial head-mounted display, spatial trackers on the head and hand, and a control wand. Independent variables included biocular or stereo viewing, movement amplitude, target diameter, and audio or visual enhancements. Dependent variables were movement time and number of discrete movements required to complete the task. Results indicated the stereo display and the display enhancements provided no performance advantages over the biocular display for the easier task conditions. Further, visual and auditory enhancements to the biocular display were found that resulted in performance that was not different from using stereoscopic displays. Implications of the results are discussed.

scholarly journals Simulation Tools for Underwater Sensor Networks: A Survey

2017 ◽  
Vol 8 (4) ◽  
pp. 41 ◽  
Author(s):  
Anjana P Das ◽  
Sabu M Thampi
Keyword(s):  
Open Source ◽  
Underwater Sensor Networks ◽  
Simulation Tool ◽  
Simulation Environment ◽  
Test Bed ◽  
Simulation Tools ◽  
Data Links ◽  
Practical Challenge ◽  
Complete Test ◽  
Selection Of

In underwater sensor network(UWSN) research, it is highly expensive to deploy a complete test bed involving complex network structure and data links to validate a network protocol or an algorithm. This practical challenge points to the need of a simulation environment which can reproduce the actual underwater scenario without the loss of generality. Since so many simulators are proposed for UWSN simulation, the selection of an appropriate tool based on the research requirement is very important in validation and interpretation of results. This paper provides an in-depth survey of different simulation tools available for UWSN simulation. We compared the features offered by each tool, pre-requirements, and provide the run time experiences of some of the open source tools. We conducted simulation of sample scenarios in some of the open source tools and compared the results. This survey helps a researcher to identify a simulation tool satisfying their specific research requirements.

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