Download or read book The Effect of Task Load Automation Reliability and Environment Complexity on UAV Supervisory Control Performance written by Sarah M. Sherwood and published by . This book was released on 2018 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade, military unmanned aerial vehicles (UAVs) have experienced exponential growth and now comprise over 40% of military aircraft. However, since most military UAVs require multiple operators (usually an air vehicle operator, payload operator, and mission commander), the proliferation of UAVs has created a manpower burden within the U.S. military. Fortunately, simultaneous advances in UAV automation have enabled a switch from direct control to supervisory control; future UAV operators will no longer directly control a single UAV subsystem but, rather, will control multiple advanced, highly autonomous UAVs. However, research is needed to better understand operator performance in a complex UAV supervisory control environment. The Naval Research Lab (NRL) developed SCOUTTM (Supervisory Control Operations User Testbed) to realistically simulate the supervisory control tasks that a future UAV operator will likely perform in a dynamic, uncertain setting under highly variable time constraints. The study reported herein used SCOUT to assess the effects of task load, environment complexity, and automation reliability on UAV operator performance and automation dependence. The effects of automation reliability on participants’ subjective trust ratings and the possible dissociation between task load and subjective workload ratings were also explored. Eighty-one Navy student pilots completed a 34:15 minute pre-scripted SCOUT scenario, during which they managed three helicopter UAVs. To meet mission goals, they decided how to best allocate the UAVs to locate targets while they maintained communications, updated UAV parameters, and monitored their sensor feeds and airspace. After completing training on SCOUT, participants were randomly sorted into low and high automation reliability groups. Within each group, task load (the number of messages and vehicle status updates that had to be made and the number of new targets that appeared) and environment complexity (the complexity of the payload monitoring task) were varied between low and high levels over the course of the scenario. Participants’ throughput, accuracy, and expected value in response to mission events were used to assess their performance. In addition, participants rated their subjective workload and fatigue using the Crew Status Survey. Finally, a four-item survey modeled after Lee and Moray’s validated (1994) scale was used to assess participants’ trust in the payload task automation and their self-confidence that they could have manually performed the payload task. This study contributed to the growing body of knowledge on operator performance within a UAV supervisory control setting. More specifically, it provided experimental evidence of the relationship between operator task load, task complexity, and automation reliability and their effects on operator performance, automation dependence, and operators’ subjective experiences of workload and fatigue. It also explored the relationship between automation reliability and operators’ subjective trust in said automation. The immediate goal of this research effort is to contribute to the development of a suite of domain-specific performance metrics to enable the development and/or testing and evaluation of future UAV ground control stations (GCS), particularly new work support tools and data visualizations. Long-term goals also include the potential augmentation of the current Aviation Selection Test Battery (ASTB) to better select future UAV operators and operational use of the metrics to determine mission-specific manpower requirements. In the far future, UAV-specific performance metrics could also contribute to the development of a dynamic task allocation algorithm for distributing control of UAVs amongst a group of operators.
Download or read book Exploring Automation Issues in Supervisory Control of Multiple UAVs written by and published by . This book was released on 2004 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation was conducted on a generic UAV operator interface simulation testbed to explore the effects of levels-of-automation (LOAs) and automation reliability on the number of simulated UAVs that could be supervised by a single operator. LOAs included Management-by-Consent (operator consent required) and Management-by-Exception (action automatic unless operator declines). Results indicated that the tasks were manageable, but performance decreased with increased number of UAVs supervised and reduced automation reliability. Performance with the two LOAs varied little and did not show a consistent trend across measures. Analyses indicated that participants typically did not utilize the automation. A follow-on study was conducted that employed shorter LOA time limits. Results showed participants' workload and confidence ratings were less favorable for the shorter limits and they still exercised the automation rarely, although more frequently. Further research is needed to explore the complex relationship between LOAs, time limits, perception of workload, vigilance effects, and confidence.
Download or read book Task Load and Automation Use in an Uncertain Environment written by Mark A. Daly and published by . This book was released on 2002-03-01 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this research was to investigate the effects that user task load level has on the relationship between an individual's trust in and subsequent use of a system's automation. Automation research has demonstrated a positive correlation between an individual's trust in and subsequent use of the automation. Military decision-makers trust and use information system automation to make many tactical judgments and decisions. In situations of information uncertainty (information warfare environments), decision-makers must remain aware of information reliability issues and temperate their use of system automation if necessary. An individual's task load may have an effect on his use of a system's automation in environments of information uncertainty. It was hypothesized that user task load will have a moderating effect on the positive relationship between system automation trust and use of system automation. Specifically, in situations of information uncertainty (low trust), high task load will have a negative effect on the relationship. To test this hypothesis, an experiment in a simulated command and control micro-world was conducted in which system automation trust and individual task load were manipulated. The findings from the experiment support the positive relationship between automation trust and automation use found in previous research and suggest that task load does have a negative effect on the positive relationship between automation trust and automation use.
Download or read book The Effect of Appropriately and Inappropriately Applied Automation for the Control of Unmanned Systems on Operator Performance written by and published by . This book was released on 2009 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Robotic technology will be a vital component of future combat. However, the combination of robotic operational tasks with other traditional military tasks will create high workload peaks during military operations. The objective of this research is to develop and evaluate flexible automation strategies to aid the operator in this complex military environment. In this experiment, we evaluated the effect of an automation that was invoked based on task load. Participants conducted a military reconnaissance mission using a simulation that required them to use an unmanned air vehicle sensor for target detection, monitor an unmanned ground vehicle, and respond to multi-level communications. Participants completed 16 missions in the environment, during which task load and automation were manipulated. The results of this experiment showed that operator performance did improve when the automation, an aided target-recognition system for the unmanned air vehicle, was invoked, relative to when it was not invoked. Further, when automation was appropriately applied (high task-load conditions), workload decreased significantly. This data, along with the results of other experiments discussed in this report, indicate that adaptive automation may be a useful mitigation strategy to help offset the potential deleterious effects of high cognitive load on U.S. Army robotic operators in a multitasking environment.
Download or read book The Handbook of Operator Fatigue written by Dr Paula A Desmond and published by Ashgate Publishing, Ltd.. This book was released on 2012-10-01 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue is a recognized problem in many facets of the human enterprise. It is not confined to any one area of activity but enters all situations in which humans have to perform for extended intervals of time. Most problematic are the circumstances in which obligatory action is continuous and the results of failure are evidently serious or even catastrophic. Therefore, the modern media especially highlights fatigue-related failures in industries such as transportation, materials processing and healthcare. It can be, and indeed is, no coincidence that most of the spectacular failures in process control that have resulted in the world's largest industrial accidents have occurred in the small hours of the morning when the circadian rhythm is lowest and operator fatigue itself peaks. While there have been legislative efforts made at state, federal and international levels to regulate working hours of employees, the appropriate implementation of such legislation is still a long way off. The Handbook of Operator Fatigue provides a comprehensive account of the subject to serve as the definitive reference work for researchers, students and practitioners alike. The volume features 30 chapters written by experts from around the world to address each important facet of fatigue, including: the scale of the fatigue problem (Section I), the nature of fatigue (Section II), how to assess fatigue (Section III), the impact of fatigue on health (Section IV), fatigue in the workplace (Section V), the neurological basis of fatigue (VI), sleep disorders (VII), and the design of countermeasures to fatigue (VIII).
Download or read book Intelligent Human Computer Interaction written by Patrick Horain and published by Springer. This book was released on 2017-12-04 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed proceedings of the 9th International Conference on Intelligent Human Computer Interaction, IHCI 2017, held in Evry, France, in December 2017. The 15 papers presented together with three invited papers were carefully reviewed and selected from 25 submissions. The conference is forum for the presentation of technological advances and research results at the crossroads of human-computer interaction, artificial intelligence, signal processing and computer vision. This book is open access under a CC BY license.
Download or read book Humans and Automation written by Thomas B. Sheridan and published by Wiley-Interscience. This book was released on 2002-07-11 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human factors, also known as human engineering or human factors engineering, is the application of behavioral and biological sciences to the design of machines and human-machine systems. Automation refers to the mechanization and integration of the sensing of environmental variables, data processing and decision making and mechanical action. This book deals with all the issues involved in human-automation systems from design to control and performance of both humans and machines.
Download or read book Trust in Human Robot Interaction written by Chang S. Nam and published by Academic Press. This book was released on 2020-11-17 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trust in Human-Robot Interaction addresses the gamut of factors that influence trust of robotic systems. The book presents the theory, fundamentals, techniques and diverse applications of the behavioral, cognitive and neural mechanisms of trust in human-robot interaction, covering topics like individual differences, transparency, communication, physical design, privacy and ethics. - Presents a repository of the open questions and challenges in trust in HRI - Includes contributions from many disciplines participating in HRI research, including psychology, neuroscience, sociology, engineering and computer science - Examines human information processing as a foundation for understanding HRI - Details the methods and techniques used to test and quantify trust in HRI
Download or read book Performance Under Stress written by Dr James L Szalma and published by Ashgate Publishing, Ltd.. This book was released on 2012-10-01 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world is a dangerous place and recent events have served to make it less safe. There are many arenas of conflict and even combat across the world. Such situations are the quintessential expression of stress; you stand in imminent danger and live with the knowledge that you may be attacked, injured or even killed at any moment. How do people perform under these conditions? How do they keep a heightened level of vigilance when nothing may happen in their immediate location for weeks or even months? What happens when the bullets actually start flying? How is it you distinguish friend from foe, and each from innocent bystanders when in immediate peril of your life? Can we design technology to help people make good decisions in these ultimately hazardous situations? To what degree does your membership in a team act to dissipate these particular effects? Can we generate sufficiently stressful field exercises to simulate these conditions and can we train and/or select those most able to withstand such adverse conditions? How will the next generation of servicemen deal with these inherent problems? These are the sorts of questions that Performance Under Stress addresses. This book is derived largely from a multiple-year, multiple university initiative (MURI) on stress and soldier performance on the modern, electronic battlefield. It involved leading researchers from many institutions who have brought their individual expertise to bear on these crucial, contemporary concerns. United by a common research framework, these groups attacked the issue from different methodological and conceptual approaches, ranging from traditional laboratory modeling and experimentation, to realistic simulations; from involved field exercises to personal experiences of actual combat conditions. The insights generated have been distilled and presented as a benchmark of current understanding and provide future directions for research in this arena. Although this work focuses on soldier stress and soldier performance, the principles that are derived extend well beyond this single application. Their findings can be applied to people facing the demands of the business world or research as much as to those who meet life or death situations, such as homeland security, first responders, and law enforcement personnel.
Download or read book Autonomy and Artificial Intelligence A Threat or Savior written by W.F. Lawless and published by Springer. This book was released on 2017-08-24 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores how Artificial Intelligence (AI), by leading to an increase in the autonomy of machines and robots, is offering opportunities for an expanded but uncertain impact on society by humans, machines, and robots. To help readers better understand the relationships between AI, autonomy, humans and machines that will help society reduce human errors in the use of advanced technologies (e.g., airplanes, trains, cars), this edited volume presents a wide selection of the underlying theories, computational models, experimental methods, and field applications. While other literature deals with these topics individually, this book unifies the fields of autonomy and AI, framing them in the broader context of effective integration for human-autonomous machine and robotic systems. The contributions, written by world-class researchers and scientists, elaborate on key research topics at the heart of effective human-machine-robot-systems integration. These topics include, for example, computational support for intelligence analyses; the challenge of verifying today’s and future autonomous systems; comparisons between today’s machines and autism; implications of human information interaction on artificial intelligence and errors; systems that reason; the autonomy of machines, robots, buildings; and hybrid teams, where hybrid reflects arbitrary combinations of humans, machines and robots. The contributors span the field of autonomous systems research, ranging from industry and academia to government. Given the broad diversity of the research in this book, the editors strove to thoroughly examine the challenges and trends of systems that implement and exhibit AI; the social implications of present and future systems made autonomous with AI; systems with AI seeking to develop trusted relationships among humans, machines, and robots; and the effective human systems integration that must result for trust in these new systems and their applications to increase and to be sustained.
Download or read book Intelligent Adaptive Systems written by Ming Hou and published by CRC Press. This book was released on 2014-12-02 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: As ubiquitous as the atmosphere, intelligent adaptive systems (IASs) surround us in our daily lives. When designed well, these systems sense users and their environments so that they can provide support in a manner that is not only responsive to the evolving situation, but unnoticed by the user. A synthesis of recent research and developments on IASs from the human factors (HF) and human–computer interaction (HCI) domains, Intelligent Adaptive Systems: An Interaction-Centered Design Perspective provides integrated design guidance and recommendations for researchers and system developers. The book explores a recognized lack of integration between the HF and HCI research communities, which has led to inconsistencies between the research approaches adopted, and a lack of exploitation of research from one field by the other. The authors integrate theories and methodologies from these domains to provide design recommendations for human–machine developers. They then establish design guidance through the review of conceptual frameworks, analytical methodologies, and design processes for intelligent adaptive systems. The book draws on case studies from the military, medical, and distance learning domains to illustrate intelligent system design to examine lessons learned. Outlining an interaction-centered perspective for designing an IAS, the book details methodologies for understanding human work in complex environments and offers understanding about why and how optimizing human–machine interaction should be central to the design of IASs. The authors present an analytical and design methodology as well as an implementation strategy that helps you choose the proper design framework for your needs.
Download or read book Autonomous Vehicles in Support of Naval Operations written by National Research Council and published by National Academies Press. This book was released on 2005-08-05 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Autonomous vehicles (AVs) have been used in military operations for more than 60 years, with torpedoes, cruise missiles, satellites, and target drones being early examples.1 They have also been widely used in the civilian sector-for example, in the disposal of explosives, for work and measurement in radioactive environments, by various offshore industries for both creating and maintaining undersea facilities, for atmospheric and undersea research, and by industry in automated and robotic manufacturing. Recent military experiences with AVs have consistently demonstrated their value in a wide range of missions, and anticipated developments of AVs hold promise for increasingly significant roles in future naval operations. Advances in AV capabilities are enabled (and limited) by progress in the technologies of computing and robotics, navigation, communications and networking, power sources and propulsion, and materials. Autonomous Vehicles in Support of Naval Operations is a forward-looking discussion of the naval operational environment and vision for the Navy and Marine Corps and of naval mission needs and potential applications and limitations of AVs. This report considers the potential of AVs for naval operations, operational needs and technology issues, and opportunities for improved operations.
Download or read book Interfaces for Ground and Air Military Robots written by National Research Council and published by National Academies Press. This book was released on 2005-03-21 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the early years of robotics and automated vehicles, the fight was against nature and not against a manifestly intelligent opponent. In military environments, however, where prediction and anticipation are complicated by the existence of an intelligent adversary, it is essential to retain human operators in the control loop. Future combat systems will require operators to control and monitor aerial and ground robotic systems and to act as part of larger teams coordinating diverse robotic systems over multiple echelons. The National Research Council organized a workshop to identify the most important human-related research and design issues from both the engineering and human factors perspectives, and develop a list of fruitful research directions. Interfaces for Ground and Air Military Robots summarizes the presentations and discussions from this workshop.
Download or read book Foundations of Trusted Autonomy written by Hussein A. Abbass and published by Springer. This book was released on 2018-01-15 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book establishes the foundations needed to realize the ultimate goals for artificial intelligence, such as autonomy and trustworthiness. Aimed at scientists, researchers, technologists, practitioners, and students, it brings together contributions offering the basics, the challenges and the state-of-the-art on trusted autonomous systems in a single volume. The book is structured in three parts, with chapters written by eminent researchers and outstanding practitioners and users in the field. The first part covers foundational artificial intelligence technologies, while the second part covers philosophical, practical and technological perspectives on trust. Lastly, the third part presents advanced topics necessary to create future trusted autonomous systems. The book augments theory with real-world applications including cyber security, defence and space.
Download or read book Behavior Trees in Robotics and AI written by Michele Colledanchise and published by CRC Press. This book was released on 2018-07-20 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Behavior Trees (BTs) provide a way to structure the behavior of an artificial agent such as a robot or a non-player character in a computer game. Traditional design methods, such as finite state machines, are known to produce brittle behaviors when complexity increases, making it very hard to add features without breaking existing functionality. BTs were created to address this very problem, and enables the creation of systems that are both modular and reactive. Behavior Trees in Robotics and AI: An Introduction provides a broad introduction as well as an in-depth exploration of the topic, and is the first comprehensive book on the use of BTs. This book introduces the subject of BTs from simple topics, such as semantics and design principles, to complex topics, such as learning and task planning. For each topic, the authors provide a set of examples, ranging from simple illustrations to realistic complex behaviors, to enable the reader to successfully combine theory with practice. Starting with an introduction to BTs, the book then describes how BTs relate to, and in many cases, generalize earlier switching structures, or control architectures. These ideas are then used as a foundation for a set of efficient and easy to use design principles. The book then presents a set of important extensions and provides a set of tools for formally analyzing these extensions using a state space formulation of BTs. With the new analysis tools, the book then formalizes the descriptions of how BTs generalize earlier approaches and shows how BTs can be automatically generated using planning and learning. The final part of the book provides an extended set of tools to capture the behavior of Stochastic BTs, where the outcomes of actions are described by probabilities. These tools enable the computation of both success probabilities and time to completion. This book targets a broad audience, including both students and professionals interested in modeling complex behaviors for robots, game characters, or other AI agents. Readers can choose at which depth and pace they want to learn the subject, depending on their needs and background.
Download or read book Advances in Safety Reliability and Risk Management written by Christophe Berenguer and published by CRC Press. This book was released on 2011-08-31 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering a wide range of topics on safety, reliability and risk management, the present publication will be of interest to academics and professionals working in a wide range of scientific, industrial and governmental sectors, including: Aeronautics and Aerospace; Chemical and Process Industry; Civil Engineering; Critical Infrastructures; Energy; Information Technology and Telecommunications; Land Transportation; Manufacturing; Maritime Transportation; Mechanical Engineering; Natural Hazards; Nuclear Industry; Offshore Industry; Policy Making and Public Planning.
Download or read book Human Automation Interaction written by Mustapha Mouloua and published by CRC Press. This book was released on 1997-02 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and development in the field of man-machine systems has evolved tremendously in the last 20 years. For almost every man-machine system, whether in the aviation industry, medical systems, industrial process control, or just for use in leisure activities or the home environment, it is possible to see many automated systems and devices that have replaced the human component as a key element. The fast evolution in computer technology has transformed the course of our daily lives by making these technological innovations a viable option on which to rely. These varied technological advances have reduced the burden of excessive physical and cognitive demands imposed upon human operators. However, they have also resulted in several behavior related problems such as a loss in situation awareness, increased mental workload, monitoring inefficiency, and inability to revert to manual control under systems malfunction. Covering a wide variety of human factors issues across several domains of application, this volume represents a snapshot of a series of experimental and investigative studies concerned with the impact of automation technology on human performance. The topics addressed deal with both theoretical and applied issues. Although more emphasis was placed on the aviation industry, several other human-machine systems where automation technology is implemented are also represented. This book enables students, scientists, and researchers from a variety of fields such as academia, government, and industry to achieve the following: * review and update their basic and applied knowledge in several domains where automation technology is implemented; * review and evaluate recent empirical studies on automation and human performance across several domains; * address training issues and guidelines for the design of intelligent, hybrid human-machine systems; and * discuss future trends in automation research applicable to the 21st century.
