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With the aim of identifying suitable indicators and criteria for evaluating the safe human-machine interaction for SAE level 3 systems up to 60 km/h in the context of automated driving, this research project has started with a focus group interview to identify relevant publication channels and list of keywords regarding indicators for the evaluation of human-machine interaction at SAE Level 3. Based on the identified list of keywords, literature reviews have been conducted to extract relevant publications from the identified publication channels. According to the defined inclusion and exclusion criterion, 38 papers have then been selected and used for meta-analysis to study the influence of different takeover situations on takeover performances. The results of meta-analysis have indicated that drivers’ takeover performances measured by the categories of takeover time, takeover quality and subjective workload are different in static and dynamic situations. After that, expert interviews have been conducted with six international experts to help interpret the results of meta-analysis and develop checklist items. In the end, 16 checklist items assigned in six categories of system requirements have been developed and can be used by international experts to evaluate the safety of the human-machine interaction of SAE Level 3 systems up to 60 km/h in production vehicles. This checklist has been further developed to an online application, which can be used as an easy-to-implement and efficient evaluation procedure in relation to the traffic safety relevant interaction quality of the system.
Annual Report 2021
(2022)
In the Annual Report 2021, the BASt presents a selection of research activities of the year 2021.
In almost 40 contributions, projects from 5 specialist areas are presented. The spectrum of topics ranges from digital transformations in bridges and structural technology to sustainable, climate-resistant highway construction, efficient, ecological and digital traffic engineering, automated, environmentally conscious automotive engineering and the safety of all who participate in traffic.
Highlights as well as facts and figures in short and concise form complete the report.
Annual Report 2020
(2021)
The focus of the Annual Report 2020 is on selected research results from all fields of activity of the BASt.
Among the topics are for example the re-evaluation of the alcohol ban for novice drivers, the effectiveness of emergency braking systems for trucks or risk factors in motorbike traffic. ‘Talking’ workplaces will be discussed as well as the communication of automated vehicles with non-automated road users and airbag safety systems for cyclists.
The traffic barometer shows how traffic developed during the Corona pandemic. Also presented are technical developments to avoid road closures, the RITUN guide for resilient road tunnels, concrete roadway 4.0, how occupational safety demands and promotes innovation, and cross-national research cooperation in road construction.
Results on safe rural roads through suitable protective devices, on the use of digital technologies in engineering structures, on sustainable innovative replacement of concrete bridges as well as BASt activities in the BMVI Network of Experts are also presented.
Highlights as well as facts and figures complete the report.
Annual Report 2019
(2020)
In its Annual Report 2019, the BASt has compiled a selection of its research. For example, the climate impact analysis, among other things, describes an essential research focus for the federal main road network. The new information and evaluation platform "BaustellenCheck" is presented, and reports on digitization in road equipment and maintenance as well as on various activities on the innovative test site duraBASt.
The results of current simulator and test track studies are also part of the annual report, as are the results of level 3 automation studies in real road traffic with an appropriately equipped test vehicle. Approaches to solutions for the infrastructure requirements of automated driving on motorways and federal trunk roads are presented, as well as the current status of the development of regulations in the field of vehicle technology.
The BASt scientists investigated the significance of virtual reality in road safety work. Whether influencers can be used effectively in road safety communication was also considered, as well as other proposed measures to reduce the risk of accidents, especially among young novice drivers.
Highlights as well as facts and figures in short and concise form complete the report.
Eine Expertengruppe der OECD über "Großversuche für den Straßenoberbau" (Pilotland: Schweiz) hat gemeinsame Versuche zur Messung von Dehnungen in bituminös gebundenen Schichten organisiert. Die Versuche fanden im April 1984 auf der Versuchspiste von Nardo (Italien) statt, mit der Teilnahme von 10 Ländern. Alle Teilnehmer haben auf einem speziell gebauten Versuchsoberbau mit Belastung durch Lastwagen ihre eigenen messtechnischen Verfahren und ihre Geräte gebraucht. Die verwendeten Messfühler werden beschrieben und verschiedene Versuchsparameter analysiert (Eigenschaften des Oberbaus, der Belastungsfahrzeuge, Temperaturen, usw.). Beim Vergleich der Ergebnisse wurden auch analytische Methoden angewendet, um aufgrund von Feld- und Laborergebnissen die wahren Dehnungswerte zu schätzen. In Anbetracht der Streuung verschiedener Parameter können die verwendeten Methoden als zuverlässig beurteilt werden. Auf dieser Grundlage kann sich eine weitere internationale Zusammenarbeit entwickeln.
Thorax injury is one of main causes of serious injury in frontal collisions, especially for elderly car occupants. The anthropometric test device (ATD) THOR‐M provides chest deflection measurements at multiple locations, to assess the risk of thorax injury. For this purpose e, risk functions are needed that relate the potential criteria based on multipoint chest deflection measurement to in jury risk. Different thorax injury criteria and risk functions for THOR have been proposed [2‐3]. The criteria and functions are based on the traditional approach to developing injury risk functions using matched ATD and PMHS tests by relating the injury (number of fractures) to injury criteria. Regarding these studies, some limitations have been identified, in particular concerning the loading conditions of the data used (mainly 3‐point‐belt loading, high loading severity, out‐of‐date ATD versions. To extend the data set and overcome these limitations, a new approach for improved thorax injury criteria was applied within the EC‐funded project SENIORS. The new approach is based on matched frontal impact sled computer simulations with a model representing the latest THOR‐M ATD version, and matching simulations with a human body model (HBM) representing an elderly car occupant.
Technische Sicherheitsverbesserungen führen im Mensch-Maschine-System Straßenverkehr nicht zwangsläufig zu Sicherheitsgewinnen. Von den Einstellungen und Verhaltensgewohnheiten der Fahrzeugführer hängt es ab, ob vergrößerte sicherheitspotenziale adäquat genutzt oder durch Verhaltensanpassungen wieder verspielt werden. Anhand ausgewählter theoretischer Modelle und empirischer Forschungsergebnisse (OECD-Studie Behavioural adaptations to changes in the road transport system) wird dies diskutiert, und es werden Kriterien zur Vermeidung unerwünschter Adaptationen abgeleitet, die bereits bei der Planung und Realisierung technischer Verbesserungen Berücksichtigung finden sollten.
The German highway network hast o face new challenges in the near future, e.g. increasing traffic density and loads, climate change effects and new quality requirements regarding sustainability. It is necessary to come up with foresighted concepts in the present to be prepared for these challenges. Therefore it is important to adapt and enhance innovative attempts, which take changing impacts into account. One goal of these efforts is the development of adaptive systems for the provision of information and a holistic evaluation in real time. The paper describes the recent research and developments on a system for information and holistic evaluation in real time, taking into account sensor networks, evaluation procedures and their implementation in existing maintenance and inspection strategies.
Structured road markings are becoming popular as edge line on high speed roads, ensuring night time visibility (retroreflection) during rain. These markings are often also "audio-tactile": vehicles (un)intentionally driving over it may produce much more tyre/road sound, which may be observed in the vehicle but also in the vicinity. The sound increase inside the car can be considered as a positive side effect, as it alarms the driver and may be very helpful for the prevention of "doze off" traffic accidents. The sound increase perceived outside the car however, may have a positive aspect as it can warn people on the emergency lane about the approaching vehicle, but it may as well annoy people living around. A method for the assessment of the acoustic properties of audio-tactile markings has been developed. It is mainly based on the "Close Proximity" (CPX) method, an ISO method intended for the acoustic assessment of pavements. The results of measurement campaigns with CPX trailers in Belgium and Germany according to a specially designed procedure are presented. The feasibility of the method is discussed. The research has been carried out in the frame of the standardization activities of the CEN working group CEN/TC226/WG2 "Horizontal signalization".