Challenges In Partially Automated Driving
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Challenges In Partially Automated Driving
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Author : Ignacio Solís Marcos
language : en
Publisher: Linköping University Electronic Press
Release Date : 2018-05-14
Challenges In Partially Automated Driving written by Ignacio Solís Marcos and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-14 with categories.
The technological development in recent years is currently reflected in the implementation of more and more advanced driver assistance systems (ADAS). A clear example is found in the automated driving systems being marketed today. Some of these systems are capable of controlling crucial driving tasks such as keeping the vehicle within the lane or maintaining speed and the distance with the front vehicle constant. While this technology is still not mature enough to allow fully autonomous driving, current systems allow partially automated driving, or Level 2 (SAE, 2016). Level 2 automation enables feet-free, and for short periods hands-free driving, under specific situations. Yet, the driver is still expected to monitor the road and the system and be ready to intervene when required by the system. Regarding this, studies from the driving and other domains have warned about potential performance problems associated with placing operators in such monitoring role. Factors such as vigilance decrements or proneness to engage in other activities have been proposed to explain these problems; however, their role in the context of Level 2 automation remains to be further investigated. In this context, the main aims of this thesis were to understand the attentional effects of monitoring a Level 2 automated system and to investigate drivers’ strategies to integrate additional tasks while using such system. In particular, the following research questions were established: 1) Does monitoring a Level 2 system affect driver attention after short driving periods?; 2) Does Level 2 automation facilitate the performance of additional tasks?; 3) How do drivers integrate additional tasks into their monitoring responsibilities, and how is that influenced by automation trust and experience?. A complementary aim of this thesis was to explore the applicability of the event-related potentials (ERPs) technique to detect the effects of different types of ADAS, i.e. Level 2 automation and a visual in-vehicle information system (IVIS), on drivers’ attention and on specific processing resources. Three studies were conducted to address the aforementioned research questions. In Study I and III, the participants were asked to drive Level 2 automated and manually while performing an auditory oddball task (Study I) or a visuomotor task (Study III). In Study II, the participants were instructed to perform a computer tracking task with or without the support of an artificial visual IVIS while executing a secondary auditory oddball task. Measurements included performance indicators from the primary and secondary tasks, as well as subjective and psychophysiological measures. ERPs (N1 and P3 amplitude and latencies) elicited by the auditory oddball task were used to assess the participants’ attentional resource allocation. Glance behaviour was also recorded to analyse drivers’ visual monitoring strategies in Study III. In addition, subjective measures of mental workload, vigilance or automation trust were collected. Last, driving parameters such as speed, time spent on the left lane or number overtakings were used to account for driving strategies to integrate an additional task while driving Level 2 automated or manually (Study III). As hypothesized, monitoring a Level 2 automated system for short periods led to lower perceived demands and to reductions in the allocation of attentional resources to the auditory oddball task, as shown by lower amplitudes in the P3 component (Study I). In Study III, driving Level 2 automated led to worse performances on an additional visuomotor task, compared to when driving manually, which contradicted our expectations. Additionally, when the system was active, drivers tended to look less to the road and more to the dashboard; however, only drivers with automation experience or who perceived the system as more robust increased their visual attention to the additional task. Furthermore, the results from Study II showed that some specific ERPs parameters, namely N1 latency and P3 amplitude, were also sensitive to the demands of IVIS while performing the tracking task. Based on previous studies (Young and Stanton, 2002), the lower attentional resource allocation observed in Study I could reflect a cognitive underload effect induced by the Level 2 automated driving. Cognitive underload is proposed as one of the explaining mechanisms for the observed worse performances in the additional visuomotor task during the automated conditions in Study III. However, other effects such as overload or task interferences could also explain this. Finally, the results revealed by the ERPs in Studies I and II suggest that this could be a useful technique to detect alterations in drivers’ attention due to the excessive high or low demands placed by different ADAS. ERPs also showed a greater diagnosticity than other measures in the detection of specific task requirements of perceptual and cognitive resources. Thus, ERPs may be useful as a complementary tool to other mental workload measures. Given that drivers need to remain attentive at all times while interacting with a Level 2 automated vehicle, the use of countermeasures to mitigate the negative attentional effects reported in this thesis is highly recommended. Specific training programs enhancing drivers’ knowledge of the system or the implementation of systems that inform about the system reliability or detect inadequate driver states could be promising solutions. Ägare av fordon med nivå 2-automation har nu möjlighet att köra utan att använda pedalerna, och under korta perioder, även utan att behöva styra i specifika trafiksituationer. Emellertid förblir de fortfarande ansvariga för att kontinuerligt övervaka den omgivande trafikmiljön liksom det automatiserade systemet. Även om automatiserade fordon har potential att öka säkerheten, har tidigare studier visat på betydande problem förknippade med förares svårigheter att övervaka automatiserade system en längre tid. Denna avhandlings huvudsakliga syfte var att förstå vilken inverkan nivå 2- automatiserad körning har på förares uppmärksamhet och beteende under två situationer: a) då föraren övervakar trafiken och systemet, b) då föraren övervakar trafiken och systemet, och samtidigt utför en sidouppgift av visumotorisk karaktär. Dessutom undersöktes även vilken inverkan tillit till och erfarenhet av nivå 2-automation hade på förarens övervakningsstrategier av och användning av systemet. Ett ytterligare, kompletterande syfte med denna avhandling, var att undersöka användbarheten av event-related potentials (ERP) -tekniken för att bättre kunna detektera eventuella förändringar som förknippas med nivå 2-automation. Specifikt analyserades N1 och P3 ERP-komponenterna. Dessutom användes denna teknik i avhandlingen för att upptäcka ökning av den mentala arbetsbelastningen i samband med förarens interaktion med andra vanliga stödsystem, exempelvis fordonets informationssystem. Tre olika studier genomfördes. I Studie I (simulatorstudie) observerades att körning med nivå 2- automation under korta perioder medförde generella minskningar av uppmärksamhetsresursallokering. Denna effekt upptäcktes som en minskning av amplituden hos P3-komponenten, framkallad av utförandet av en sekundär auditiv uppgift. I Studie III (på väg) upptäcktes sämre prestation på en sidouppgift av visumotorisk karaktär under körning med nivå-2 automation jämfört med manuell körning. Det observerades även att förare med större erfarenhet av systemet och/eller högre skattningar av systemets robusthet, tenderade att titta mindre på vägen och mer på sidouppgiften. Slutligen, i Studie II (laboratoriestudie), upptäcktes att ERP var användbart för att detektera ökningar av krav associerade med utförandet av en datoradministrerad spårningsuppgift, baserad på ett artificiellt visuellt IVIS. I allmänhet tyder resultaten i denna avhandling på att nivå 2-automation kan leda till kognitiv underbelastning, en effekt som tidigare har observerats i högre grader av automation. Nedsättning av uppmärksamhet, beroende på kognitiv underbelastning, kan förklara de sämre prestationerna på sidouppgiften under körning med nivå 2-automation som observerades i studie III. Dock behöver resultatet undersökas ytterligare eftersom andra effekter, som överbelastning eller specifik uppgiftskonkurrens, också kan ha skett. I enlighet med avhandlingens kompletterande syfte, uppvisade användningen av ERP, som ett komplementärt verktyg till andra sätt att mäta mental arbetsbelastning, lovande resultat. ERP kan användas för att upptäcka ytterligare effekter av olika stödsystem, som antingen ökar eller minskar de krav som ställs på föraren. Nu finns fordon med nivå 2-automation på vägarna. Trots detta är vissa säkerhetsproblem, förknippade med deras effekter på förarens förmågor och beteende, fortfarande olösta. Det är därför nödvändigt att insatser görs för att mildra sådana problem så att framtida incidenter i trafiken kan förhindras i så stor utsträckning som möjligt. Förhoppningsvis bidrar denna avhandling till att öka förståelsen för de verkliga effekterna av nivå 2-system på förare och uppmuntrar till fler framtida studier inom området.
Autonomous Driving
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Author : Markus Maurer
language : en
Publisher: Springer
Release Date : 2016-05-21
Autonomous Driving written by Markus Maurer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-21 with Technology & Engineering categories.
This book takes a look at fully automated, autonomous vehicles and discusses many open questions: How can autonomous vehicles be integrated into the current transportation system with diverse users and human drivers? Where do automated vehicles fall under current legal frameworks? What risks are associated with automation and how will society respond to these risks? How will the marketplace react to automated vehicles and what changes may be necessary for companies? Experts from Germany and the United States define key societal, engineering, and mobility issues related to the automation of vehicles. They discuss the decisions programmers of automated vehicles must make to enable vehicles to perceive their environment, interact with other road users, and choose actions that may have ethical consequences. The authors further identify expectations and concerns that will form the basis for individual and societal acceptance of autonomous driving. While the safety benefits of such vehicles are tremendous, the authors demonstrate that these benefits will only be achieved if vehicles have an appropriate safety concept at the heart of their design. Realizing the potential of automated vehicles to reorganize traffic and transform mobility of people and goods requires similar care in the design of vehicles and networks. By covering all of these topics, the book aims to provide a current, comprehensive, and scientifically sound treatment of the emerging field of “autonomous driving".
Automated Driving
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Author : Daniel Watzenig
language : en
Publisher: Springer
Release Date : 2016-09-23
Automated Driving written by Daniel Watzenig and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-23 with Technology & Engineering categories.
The main topics of this book include advanced control, cognitive data processing, high performance computing, functional safety, and comprehensive validation. These topics are seen as technological bricks to drive forward automated driving. The current state of the art of automated vehicle research, development and innovation is given. The book also addresses industry-driven roadmaps for major new technology advances as well as collaborative European initiatives supporting the evolvement of automated driving. Various examples highlight the state of development of automated driving as well as the way forward. The book will be of interest to academics and researchers within engineering, graduate students, automotive engineers at OEMs and suppliers, ICT and software engineers, managers, and other decision-makers.
Human Factors In Aviation
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Author : Earl L. Wiener
language : en
Publisher: Academic Press
Release Date : 2014-06-28
Human Factors In Aviation written by Earl L. Wiener and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-28 with Technology & Engineering categories.
Since the 1950s, a number of specialized books dealing with human factors has been published, but very little in aviation. Human Factors in Aviation is the first comprehensive review of contemporary applications of human factors research to aviation. A "must" for aviation professionals, equipment and systems designers, pilots, and managers--with emphasis on definition and solution of specific problems. General areas of human cognition and perception, systems theory, and safety are approached through specific topics in aviation--behavioral analysis of pilot performance, cockpit automation, advancing display and control technology, and training methods.
Autonomous Vehicle Technology
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Author : James M. Anderson
language : en
Publisher: Rand Corporation
Release Date : 2014-01-10
Autonomous Vehicle Technology written by James M. Anderson and has been published by Rand Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-10 with Transportation categories.
The automotive industry appears close to substantial change engendered by “self-driving” technologies. This technology offers the possibility of significant benefits to social welfare—saving lives; reducing crashes, congestion, fuel consumption, and pollution; increasing mobility for the disabled; and ultimately improving land use. This report is intended as a guide for state and federal policymakers on the many issues that this technology raises.
Cry Wolf
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Author : S. Breznitz
language : en
Publisher: Psychology Press
Release Date : 2013-05-13
Cry Wolf written by S. Breznitz and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-13 with Psychology categories.
Published in the year 1984, Cry Wolf is a valuable contribution to the field of Developmental Psychology.
Autonomous Driving Changes The Future
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Author : Zhanxiang Chai
language : en
Publisher: Springer Nature
Release Date : 2020-07-22
Autonomous Driving Changes The Future written by Zhanxiang Chai and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-22 with Technology & Engineering categories.
This book systematically discusses the development of autonomous driving, describing the related history, technological advances, infrastructure, social impacts, international competition, China’s opportunities and challenges, and possible future scenarios. This popular science book uses straightforward language and includes quotes from ancient Chinese poems to enhance the reading experience. The discussions are supplemented by theoretical elaborations, presented in tables and figures. The book is intended for auto fans, upper undergraduate and graduate students in the field of automotive engineering.
Automotive User Interfaces
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Author : Gerrit Meixner
language : en
Publisher: Springer
Release Date : 2017-02-27
Automotive User Interfaces written by Gerrit Meixner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-27 with Computers categories.
This book focuses on automotive user interfaces for in-vehicle usage, looking at car electronics, its software of hidden technologies (e.g., ASP, ESP), comfort functions (e.g., navigation, communication, entertainment) and driver assistance (e.g., distance checking). The increased complexity of automotive user interfaces, driven by the need for using consumer electronic devices in cars as well as autonomous driving, has sparked a plethora of new research within this field of study. Covering a broad spectrum of detailed topics, the authors of this edited volume offer an outstanding overview of the current state of the art; providing deep insights into usability and user experience, interaction techniques and technologies as well as methods, tools and its applications, exploring the increasing importance of Human-Computer-Interaction (HCI) within the automotive industry Automotive User Interfaces is intended as an authoritative and valuable resource for professional practitioners and researchers alike, as well as computer science and engineering students who are interested in automotive interfaces.
The Safety Promise And Challenge Of Automotive Electronics
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Author : National Research Council (U.S.). Committee on Electronic Vehicle Controls and Unintended Acceleration
language : en
Publisher: Transportation Research Board
Release Date : 2012
The Safety Promise And Challenge Of Automotive Electronics written by National Research Council (U.S.). Committee on Electronic Vehicle Controls and Unintended Acceleration and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Business & Economics categories.
"TRB has released the final version of TRB Special Report 308: The Safety Promise and Challenge of Automotive Electronics: Insights from Unintended Acceleration, which examines how the National Highway Traffic Safety Administration (NHTSA) regulatory, research, and defect investigation programs can be strengthened to meet the safety assurance and oversight challenges arising from the expanding functionality and use of automotive electronics. The report gives particular attention to the NHTSA response to consumer complaints of vehicles accelerating unintentionally and to concerns that faulty electronic systems may have been to blame. The committee that produced the report found that the increasingly capable and complex electronics systems being added to automobiles present many opportunities for making driving safer but also present new demands for ensuring their safe performance. These safety assurance demands pertain both to the automotive industry development and deployment of electronics systems and to the safety oversight role of NHTSA. With regard to the latter, the committee recommends that NHTSA give explicit consideration to the oversight challenges arising from automotive electronics and that the agency develop and articulate a long term strategy for meeting these challenges."--Provided by publisher.
Autonomous Driving And Advanced Driver Assistance Systems Adas
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Author : Lentin Joseph
language : en
Publisher: CRC Press
Release Date : 2021-12-15
Autonomous Driving And Advanced Driver Assistance Systems Adas written by Lentin Joseph and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-15 with Computers categories.
Autonomous Driving and Advanced Driver-Assistance Systems (ADAS): Applications, Development, Legal Issues, and Testing outlines the latest research related to autonomous cars and advanced driver-assistance systems, including the development, testing, and verification for real-time situations of sensor fusion, sensor placement, control algorithms, and computer vision. Features: Co-edited by an experienced roboticist and author and an experienced academic Addresses the legal aspect of autonomous driving and ADAS Presents the application of ADAS in autonomous vehicle parking systems With an infinite number of real-time possibilities that need to be addressed, the methods and the examples included in this book are a valuable source of information for academic and industrial researchers, automotive companies, and suppliers.