Academic literature on the topic 'End-user disconnect'
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Journal articles on the topic "End-user disconnect"
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Lee, Tak Yeon, and Benjamin B. Bederson. "Give the people what they want: studying end-user needs for enhancing the web." PeerJ Computer Science 2 (November 14, 2016): e91. http://dx.doi.org/10.7717/peerj-cs.91.
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End-user programming (EUP) is a common approach for helping ordinary people create small programs for their professional or daily tasks. Since end-users may not have programming skills or strong motivation for learning them, tools should provide what end-users want with minimal costs of learning –i.e., they must decrease the barriers to entry. However, it is often hard to address these needs, especially for fast-evolving domains such as the Web. To better understand these existing and ongoing challenges, we conducted two formative studies with Web users –a semi-structured interview study, and a Wizard-of-Oz study. The interview study identifies challenges that participants have with their daily experiences on the Web. The Wizard-of-Oz study investigates how participants would naturally explain three computational tasks to an interviewer acting as a hypothetical computer agent. These studies demonstrate a disconnect between what end-users want and what existing EUP systems support, and thus open the door for a path towards better support for end user needs. In particular, our findings include: (1) analysis of challenges that end-users experience on the Web with solutions; (2) seven core functionalities of EUP for addressing these challenges; (3) characteristics of non-programmers describing three common computation tasks; (4) design implications for future EUP systems.
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Wehry, Susan, and Regula H. Robnett. "PERSONS LIVING WITH COGNITIVE IMPAIRMENT SHARE THEIR VIEWS ON TECHNOLOGY." Innovation in Aging 3, Supplement_1 (November 2019): S953. http://dx.doi.org/10.1093/geroni/igz038.3459.
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Abstract The purpose of this study was to examine the experience of adults living with cognitive impairments and that of their care partners with digital technology including current use of, ease with and openness to using smart assistive technologies (SATs). SATs for older adults with (and without) cognitive impairments have become increasingly commonplace. Research on various digital devices has focused primarily on supporting users’ independence and care partner concerns for safety and security. Our qualitative, interview-based research project provided digital devices chosen by participants to address a specific personal goal. Interviews were conducted in the home and set-up assistance was provided during the initial interview. At the conclusion of the trial period, a second interview was conducted in the home. We describe the participants’ commendations for, expectations of, and frustrations with current technology as well as recommendations for potential, helpful digital technology. Current technology offers great promise but a disconnect between the design of digital technologies and the needs and wishes of the end-user still exists. This study will help inform additional user-driven application SATs, including those aimed at enhancing enjoyment and a higher quality of life.
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Erdogan, Gencer, Atle Refsdal, Bjørn Nygård, Ole Petter Rosland, and Bernt Kvam Randeberg. "Risk-Based Decision Support Model for Offshore Installations." Business Systems Research Journal 9, no. 2 (July 1, 2018): 55–68. http://dx.doi.org/10.2478/bsrj-2018-0019.
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Abstract Background: During major maintenance projects on offshore installations, flotels are often used to accommodate the personnel. A gangway connects the flotel to the installation. If the offshore conditions are unfavorable, the responsible operatives need to decide whether to lift (disconnect) the gangway from the installation. If this is not done, there is a risk that an uncontrolled autolift (disconnection) occurs, causing harm to personnel and equipment. Objectives: We present a decision support model, developed using the DEXi tool for multi-criteria decision making, which produces advice on whether to disconnect/connect the gangway from/to the installation. Moreover, we report on our development method and experiences from the process, including the efforts invested. An evaluation of the resulting model is also offered, primarily based on feedback from a small group of offshore operatives and domain experts representing the end user target group. Methods/Approach: The decision support model was developed systematically in four steps: establish context, develop the model, tune the model, and collect feedback on the model. Results: The results indicate that the decision support model provides advice that corresponds with expert expectations, captures all aspects that are important for the assessment, is comprehensible to domain experts, and that the expected benefit justifies the effort for developing the model. Conclusions: We find the results promising, and believe that the approach can be fruitful in a wider range of risk-based decision support scenarios. Moreover, this paper can help other decision support developers decide whether a similar approach can suit them
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Ngan, Catherine G. Y., Rob M. I. Kapsa, and Peter F. M. Choong. "Strategies for neural control of prosthetic limbs: from electrode interfacing to 3D printing." Materials 12, no. 12 (June 14, 2019): 1927. http://dx.doi.org/10.3390/ma12121927.
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Limb amputation is a major cause of disability in our community, for which motorised prosthetic devices offer a return to function and independence. With the commercialisation and increasing availability of advanced motorised prosthetic technologies, there is a consumer need and clinical drive for intuitive user control. In this context, rapid additive fabrication/prototyping capacities and biofabrication protocols embrace a highly-personalised medicine doctrine that marries specific patient biology and anatomy to high-end prosthetic design, manufacture and functionality. Commercially-available prosthetic models utilise surface electrodes that are limited by their disconnect between mind and device. As such, alternative strategies of mind–prosthetic interfacing have been explored to purposefully drive the prosthetic limb. This review investigates mind to machine interfacing strategies, with a focus on the biological challenges of long-term harnessing of the user’s cerebral commands to drive actuation/movement in electronic prostheses. It covers the limitations of skin, peripheral nerve and brain interfacing electrodes, and in particular the challenges of minimising the foreign-body response, as well as a new strategy of grafting muscle onto residual peripheral nerves. In conjunction, this review also investigates the applicability of additive tissue engineering at the nerve-electrode boundary, which has led to pioneering work in neural regeneration and bioelectrode development for applications at the neuroprosthetic interface.
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Duinkharjav, Budmonde, Praneeth Chakravarthula, Rachel Brown, Anjul Patney, and Qi Sun. "Image features influence reaction time." ACM Transactions on Graphics 41, no. 4 (July 2022): 1–15. http://dx.doi.org/10.1145/3528223.3530055.
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We aim to ask and answer an essential question " how quickly do we react after observing a displayed visual target?" To this end, we present psychophysical studies that characterize the remarkable disconnect between human saccadic behaviors and spatial visual acuity. Building on the results of our studies, we develop a perceptual model to predict temporal gaze behavior, particularly saccadic latency, as a function of the statistics of a displayed image. Specifically, we implement a neurologically-inspired probabilistic model that mimics the accumulation of confidence that leads to a perceptual decision. We validate our model with a series of objective measurements and user studies using an eye-tracked VR display. The results demonstrate that our model prediction is in statistical alignment with real-world human behavior. Further, we establish that many sub-threshold image modifications commonly introduced in graphics pipelines may significantly alter human reaction timing, even if the differences are visually undetectable. Finally, we show that our model can serve as a metric to predict and alter reaction latency of users in interactive computer graphics applications, thus may improve gaze-contingent rendering, design of virtual experiences, and player performance in e-sports. We illustrate this with two examples: estimating competition fairness in a video game with two different team colors, and tuning display viewing distance to minimize player reaction time.
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Alhasnawi, Bilal Naji, and Basil H. Jasim Jasim. "A Novel Hierarchical Energy Management System Based on Optimization for Multi-Microgrid." International Journal on Electrical Engineering and Informatics 12, no. 3 (September 30, 2020): 586–606. http://dx.doi.org/10.15676/ijeei.2020.12.3.10.
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The microgrid vision has come to incorporate various communication technologies, which facilitate residential users to adopt different scheduling schemes in order to manage energy usage with reduced carbon emission. Through this study, we have introduced a novel method for residential load control with energy resources integrated. To this end, an input and optimization algorithm has been employed to control and schedule residential charges for cost savings, consumer inconvenience, and peak-to-average rate savings (PAR) purposes, including real-time electricity costs, energy demand, user expectations, and renewable energy parameters. This paper also provides a Maximum Power Point Tracking (MPPT) technique used to obtain full power from a hybrid power system during the variation of environmental conditions in both photovoltaic stations and batteries. An IEEE 14 bus program was considered to determine the efficiency of the proposed algorithm. This research also aims at developing the role model to determine the behaviors, as a result of a shift in the opening Protocol to the disconnect establishing the power generation island, of distributed energy resources on 14-node IEEE networks. The micro-grid is a simple case for the study of energy flow and smart grid efficiencyvariables and has dispersed tools. The findings show that the energy management system loadcollection using the suggested approach improves performance and decreases losses in contrast to previous approaches.
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Drake, Lori. "Scientific Prerequisites to Comprehension of the Tropical Cyclone Forecast: Intensity, Track, and Size." Weather and Forecasting 27, no. 2 (April 1, 2012): 462–72. http://dx.doi.org/10.1175/waf-d-11-00041.1.
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Abstract The communication by forecasters of tropical cyclone (TC) descriptions and forecasts to user communities necessarily involves the transmission of information based in science to different classes of users composed primarily of nonscientists. Inherent in the problem is the necessity of translating or converting the scientific content of the forecast, including its associated uncertainty, which is mathematical and statistical in its native structure, into restructured content comprehensible to populations not generally schooled in those disciplines. The forecast interpretation problem encompasses not only the forms in which the information is presented or communicated (e.g., text versus graphics), but even more so the complexity and transparency of the scientific content contained between those forms. This article investigates the substantive areas of dissonance and disconnect between the scientific content of TC descriptions and forecasts, including the uncertainty, and the ability of end users to accurately comprehend and interpret the information. It centers on the three storm attributes for which there is a forecast, namely intensity, track, and size, within the context of existing research studies, public surveys, and original official documents that specifically provide insights into this subject matter. The results suggest that the TC descriptions and forecasts, once their scientific substance has been processed for the benefit of nonscientists, still require some preexisting scientific knowledge that may or may not be present among the different groups of nonspecialist users.
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Saleme, Pamela, Timo Dietrich, Bo Pang, and Joy Parkinson. "A gamified approach to promoting empathy in children." Journal of Social Marketing 10, no. 3 (June 10, 2020): 321–37. http://dx.doi.org/10.1108/jsocm-11-2019-0204.
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Purpose Gamification has gained popularity in social marketing research; however, its application remains limited to a few contexts, and relatively little is known about how innovative gamification technologies such as augmented reality can be applied to social marketing programme design. This paper aims to demonstrate the application of gamification to a social marketing pilot programme designed to increase children’s empathy and empathic behaviour. Design/methodology/approach Informed by social cognitive theory (SCT), a mixed-method research design was adopted using pre- and post-programme surveys (n = 364) to assess effectiveness using paired samples t-test. Qualitative data included observations, participant’s questions and a feedback activity at the end of the programme. A thematic analysis was undertaken to examine the data and detect meaningful insights. Findings Children’s affective empathy and empathic behaviour outcomes were improved following the pilot programme. However, no effects were observed for cognitive empathy and social norms. Thematic analysis revealed three themes to further improve the game: developmentally appropriate design, user experience and game design. Research limitations/implications Findings demonstrated challenges with the application of SCT outlining a disconnect between the design of the gamified programme and theory application. Practical implications This study provides initial evidence for the application of innovative gamification technologies to increase empathy in children. Originality/value To the best of the authors’ knowledge, this paper is the first to examine how a gamified social marketing programme can increase empathy in children.
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Costescu, Dan M. "Modal Competition and Complementarity: Cost Optimization at End-User Level." Romanian Journal of Transport Infrastructure 7, no. 2 (December 1, 2018): 61–76. http://dx.doi.org/10.2478/rjti-2018-0012.
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Abstract The paper aims to identify possible methods for balancing the allocation of transport flow on modal subsystems in order to efficiently use the infrastructures and reduce the negative effects of today’s unbalance. The aspects of intermodal competition are reviewed, considering the economic concepts regarding the substitutability of transportation services, conformation degree to the perfect competition model and the nature of cross elasticity demand. A top-down analysis over the whole infrastructure assembly is performed. The results, under the presumption of valid work hypothesis, indicated that for further analysis the set of networks transferring material flows can be assumed as disconnected from the other networks sets transferring energy, informational and values flows. The second part of the paper develops, for that disconnected networks, a generalized cost optimization model for multimodal transportation, where the comfort and safety are accounted. Thus, the performance of the existing algorithms based only on trip length, trip duration and energy consumption can be significantly improved. Additionally, the author proposes three new independent types of modal analysis that allow end-users and companies involved in transport organization to optimize their modal choice and the whole transport process organization.
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Noble, Peter, and Travis B. Paveglio. "Exploring Adoption of the Wildland Fire Decision Support System: End User Perspectives." Journal of Forestry 118, no. 2 (February 13, 2020): 154–71. http://dx.doi.org/10.1093/jofore/fvz070.
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Abstract Abstract The increasing complexity of wildland fire management highlights the importance of sound decision making. Numerous fire management decision support systems (FMDSS) are designed to enhance science and technology delivery or assist fire managers with decision-making tasks. However, few scientific efforts have explored the adoption and use of FMDSS by fire managers. This research couples existing decision support system research and in-depth interviews with US Forest Service fire managers to explore perspectives surrounding the Wildland Fire Decision Support System (WFDSS). Results indicate that fire managers appreciate many WFDSS components but view it primarily as a means to document fire management decisions. They describe on-the-ground actions that can be disconnected with decisions developed in WFDSS, which they attribute to the timeliness of WFDSS outputs, the complexity of the WFDSS design, and how it was introduced to managers. We conclude by discussing how FMDSS development could address concerns raised by managers.
Dissertations / Theses on the topic "End-user disconnect"
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(9791285), Ronald Day. "Preventing design error in control room systems: A human factors approach." Thesis, 2013. https://figshare.com/articles/thesis/Preventing_design_error_in_control_room_systems_A_human_factors_approach/13433213.
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This study investigates the design processes used by IT designers, engineering firms, and business process developers; particularly those associated with high risk activities such as railway network control. Designers and end-users of technologies. devices. and business systems were surveyed and interviewed, and accident databases from around the world examined. The results from these three activities were analysed using a mixed methods approach. SPSS, N Vivo and Excel Analytical Tools were used to analyse the data.
Book chapters on the topic "End-user disconnect"
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Abu-Siada, Ahmed. "Preface." In Recent Advances in Renewable Energy, i. UAE: Bentham Science Publishers Ltd., 2017. http://dx.doi.org/10.2174/9781681085425117020001.
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Due to the continuous resources’ reduction and cost increase of conventional fossil fuel along with the global trend to decrease the greenhouse effect, clean energy production from renewable sources has been given a global great concern. Among renewable energy sources, wind energy conversion systems have received a worldwide notable attention. It is expected that more than 10% of the global electricity demand will to be generated by wind energy conversion systems by the year 2020. During their early implementation stage, wind turbines were to be disconnected during abnormal and fault conditions within the electricity grid it is connected to. Owing to the fact that current wind installations supply a significant portion of the load demand, disconnecting windfarms may lead to business interruption and discontinuity of power supply to the end user. As such, transmission line operators have developed strict grid codes that wind turbine generator must meet to maintain its connection to support the grid during various fault conditions. To comply with these codes, flexible AC transmission systems have been widely used with current wind energy conversion systems to modulate reactive and/or active power at the point of common coupling of the wind turbine generator and the grid. This book presents the applications of various flexible ac transmission system devices to wind energy conversion systems. Devices such as unified power flow controllers, superconducting magnetic energy storage and static synchronous compensator are covered in this book. Topologies, control systems along with case studies of the aforementioned devices are presented and discussed. This book will be useful for postgraduate research students, upper-division electrical engineering students and practicing engineers.
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Xu, Xun. "Integration of CAD/CAPP/CAM/CNC." In Integrating Advanced Computer-Aided Design, Manufacturing, and Numerical Control, 231–45. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-59904-714-0.ch010.
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Technologies concerning computer-aided design, process planning, manufacturing and numerical control, have matured to a point that commercialized software solutions and industrial systems can be acquired readily. These solutions or systems are, however, not necessarily connected in a seamless way, that is they are not fiintegrated. The term “islands of automation” has been used to describe these disconnected groups of systems with no obvious integration points other than the end user. As the engineering businesses are increasingly being run in a more globalized fashion, these islands of automation need to be connected to better suit and serve the collaborative and distributed environment. It is evident that the businesses are struggling with this integration strategy at a number of levels other than the underlying technology, including CAD, CAPP, CAM, and CNC for example. In some cases, where integration does not exist among these computer-aided solutions, promising product technologies may come to a sudden halt against these barriers. The previous chapters have focused on these individual computer-aided solutions, e.g. CAD, CAPP, CAM, CNC, and feature technologies. Some localized integration such as integrated feature technology has been studied. The following chapters, will in particular, look at the integration issues, technologies, and solutions. This chapter starts with a general description of traditional CAD, CAPP, CAM, and CNC integration models. This is followed by an industry case study showcasing how a proprietary CAD/CAM can be used to achieve centralized integration. To illustrate CAM/CNC integration, three different efforts are mentioned. They are APT, BCL (Binary Cutter Location, (EIA/ANSI, 1992)), BNCL (Base Numerical Control Language, (Fortin, Chatelain & Rivest, 2004)) and use of Haskell language for CNC programming (Arroyo, Ochoa, Silva & Vidal, 2004).
Conference papers on the topic "End-user disconnect"
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Calverley, Mark J., and Richard C. Fleet. "Metocean Data: Maximising Potential Cost Benefit." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57379.
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Metocean data are critical through the oil and gas development life cycle. However, the approach taken to acquisition of metocean data (whether modelled or measured), and its subsequent storage and distribution, is often not properly addressed to consider requirements beyond individual components of the life cycle. Additionally a disconnected approach to data-driven projects lacks the benefits afforded through an integrated system that can lead to both operational and financial inefficiencies. The proper consideration of metocean data is briefly discussed in this paper. However the focus of the paper is the description of a web based system that provides access to metocean data in a range of formats that best meet the needs of non-expert end users. The system can deliver: • hindcast data, • forecast data, • near real time in-situ measurement data, • and earth observing data. All readily queried through a simple a ‘GIS’ style interface. The system can be considered as a number of elements: • Data import and retrieval; • Data storage; • Data interface; • Client management system; • Client interface. The data platform underpinning the architecture is designed to readily interface to all types of data delivery, both into and out of the system. The Client Management System ensures that access to data is restricted to bona fide users of the companies owning the data. The system aims to utilise the best available technology and where appropriate to utilise available ‘off the shelf’ solutions. The focus of the work for these elements has been determining data structures and the interface between the elements. The client interface was considered to be the highly critical element as it is the only element seen by the client. It has been developed with a range of end users in mind. The information delivered will be tailored by the system to meet the requirements of various end user applications. For example meteorological and wave data may be delivered to meet the requirements of legislation to support helicopter operations. The same data may be delivered in a different way to support construction activity such that a traffic light system is applied to operational limits. The system permits delivery via standard internet browsers on a PC or via PDAs, thus enabling decision makers onshore to be aware of in-field conditions. Alerts on conditions can also be applied to ensure that personnel are aware of potential impact of metocean conditions on offshore operations.