91 Fahrzeugkonstruktion
Filtern
Erscheinungsjahr
- 2005 (13) (entfernen)
Sprache
- Englisch (13) (entfernen)
Schlagworte
- Conference (10)
- Accident (9)
- Konferenz (9)
- Unfall (9)
- Fahrzeug (6)
- Injury (5)
- Safety (5)
- Sicherheit (5)
- Unfallrekonstruktion (5)
- Vehicle (5)
- Verletzung (5)
- Reconstruction (accid) (4)
- Accident prevention (3)
- Active safety system (3)
- Aktives Sicherheitssystem (3)
- Car (3)
- Fußgänger (3)
- Passive safety system (3)
- Passives Sicherheitssystem (3)
- Pedestrian (3)
- Prevention (3)
- Unfallverhütung (3)
- Anfahrversuch (2)
- Bewertung (2)
- Biomechanics (2)
- Biomechanik (2)
- Body (car) (2)
- Cause (2)
- Child (2)
- Data bank (2)
- Datenbank (2)
- Datenerfassung (2)
- Deutschland (2)
- Development (2)
- Entwicklung (2)
- Evaluation (assessment) (2)
- Frontalzusammenstoß (2)
- Germany (2)
- Geschwindigkeit (2)
- Improvement (2)
- Karosserie (2)
- Kind (2)
- Overturning (veh) (2)
- PKW (2)
- Schweregrad (Unfall, Verletzung) (2)
- Spain (2)
- Spanien (2)
- Speed (2)
- Ursache (2)
- Verbesserung (2)
- Verhütung (2)
- Überschlagen (2)
- Accident reconstruction (1)
- Activity report (1)
- Administration (1)
- Advanced vehicle control systems (1)
- Alte Leute (1)
- Anthropometric dummy (1)
- Arbeitsgruppe (1)
- Bau (1)
- Behaviour (1)
- Benutzung (1)
- Braking (1)
- Bremsung (1)
- Bruch (mech) (1)
- Budget (1)
- Cervical vertebrae (1)
- Coach (1)
- Collision (1)
- Construction (1)
- Correlation (math, stat) (1)
- Cyclist (1)
- Damage (1)
- Data acquisition (1)
- Data collection (1)
- Deformation (1)
- Digital computer (1)
- Digitalrechner (1)
- Driver (1)
- Driver assistance system (1)
- Dummy (1)
- Dynamics (1)
- Dynamik (1)
- EU (1)
- Education (1)
- Environment protection (1)
- Erste Hilfe (1)
- Erziehung (1)
- Eu (1)
- Europa (1)
- Europe (1)
- Fahrer (1)
- Fahrerassistenzsystem (1)
- Fahrzeuginnenraum (1)
- Fahrzeugsitz (1)
- Failure (1)
- First aid (1)
- Forecast (1)
- Forschungsarbeit (1)
- Government (national) (1)
- Halswirbel (1)
- Head (1)
- Head on collision (1)
- Impact test (veh) (1)
- Insasse (1)
- Interior (veh) (1)
- International (1)
- Kompatibilität (1)
- Korrelation (math, stat) (1)
- Mathematical model (1)
- Method (1)
- Mobility (1)
- Mobilität (1)
- Model (not math) (1)
- Modell (1)
- Motorcycle (1)
- Motorrad (1)
- Nachhaltigkeit (1)
- Nigeria (1)
- Old people (1)
- On the scene accident investigation (1)
- On the spot accident investigation (1)
- Pkw (1)
- Prognose (1)
- Prüfverfahren (1)
- Radfahrer (1)
- Rechenmodell (1)
- Regierung (staat) (1)
- Reisebus (1)
- Reproducibility (1)
- Reproduzierbarkeit (1)
- Research project (1)
- Rotation (1)
- Sachschaden (1)
- Safety belt (1)
- Schweden (1)
- Seat (veh) (1)
- Severity (accid, injury) (1)
- Severity (accid, injuy) (1)
- Sicherheitsgurt (1)
- Simulation (1)
- Spinal column (1)
- Steifigkeit (1)
- Stiffness (1)
- Sustainability (1)
- Sweden (1)
- Technologie (1)
- Technology (1)
- Test (1)
- Traffic (1)
- Tätigkeitsbericht (1)
- Umweltschutz (1)
- Untersuchung am Unfallort (1)
- Untersuchung am unfallort (1)
- Use (1)
- Vehicle occupant (1)
- Vehicle safety (1)
- Verfahren (1)
- Verformung (1)
- Verhalten (1)
- Verkehr (1)
- Vermeidung (1)
- Versuch (1)
- Verwaltung (1)
- Wirbelsäule (1)
- Working group (1)
- Zusammenstoß (1)
Institut
- Sonstige (9)
- Abteilung Fahrzeugtechnik (3)
- Präsident (1)
In recent years considerable progress in active and passive safety of road vehicles has been made. The road traffic of today is much safer than in the past. A current vehicle has a lot more safety elements resulting in an improved inner and outer technique. In most European countries the number of fatalities is decreasing despite growing traffic and road usage. Nevertheless, the number of casualties in road traffic accidents is high enough, thus more progress is needed if the number of fatalities is to be reduced by 50%, as postulated by the European Commission for the year 2010. In order to develop countermeasures and further possibilities for injury prevention, it is increasingly important to have accident data available, supplying results quickly and giving the best overview across Europe. In-Depth-Data Sampling Procedures have a huge historical development, starting in the 60ies by the car manufactures, continued during the 70ies mostly by some universities mainly in England, Sweden, France and Germany, today a net of in-depth-investigation teams are working across Europe and around the world.One of the oldest teams is located at the Hannover Medical School, founded in 1973 by the German Government on behalf of the Federal Highway Research Institute Bast. It was the only team worldwide that was equipped with blue light emergency cars, working on scene in time so directly after the event and working continuously during the years, collecting 20 thousand accidents within 30 years period. Since 1999 the order is carried out in cooperation with the German car industry, which is interested and has benefit on the data too. On the basis of the new data collection, so called GIDAS (German In-Depth Accident Study), that has been run at the Technical University Dresden and the Medical University Hannover), a special tool for In-Depth-Accident Analysis was founded. It is the task of this conference to build a platform for such research based on In-Depth-Investigation. The conference is specially aimed at the area of accident data analysis in order to contribute to the harmonization of different investigation methods and accumulation of different results that does exist for different countries worldwide. Up to now no special conference did exist to deal with accident data only following in the discussion for an improvement in traffic and vehicle safety. ESAR - expert symposium on accident research - should be a step forward. This first international conference is being organized by the Accident Research Unit at the Medical University Hannover jointly with the German Federal Highway Research Institute Bast and the Research Association of German Car Manufacturers FAT. The conference should be a platform for an interdisciplinary exchange of information based on the different presentations from participants around the world.
In-depth road traffic accident research in Spain is a fairly recent activity. In the past, only accident data that had been retrospectively processed by the national and regional traffic police forces was available. In 1999 Applus+IDIADA set up a permanent accident research unit to carry out indepth analysis of road accidents in Spain. Since then accidents involving cars, motorcycles, coaches and vulnerable road users have been thoroughly studied. The Applus+IDIADA accident research team has carried out work for the various traffic polices in Spain and it is currently involved in several research projects in which accidentology is one of the main tasks. The working methodology of the team is presented in the first part of the paper. In the framework of the European research project "Rollover" (GRD2-2001-50086), Applus+IDIADA has collected data, inspected scenarios and performed virtual reconstructions of twenty-six of the total seventy-six rollover accidents studied. The second half of the paper describes how these accident investigations were used to develop a test procedure for identifying possible improvements to the vehicle structure which augment occupant protection in a rollover scenario. In particular, a proposal for a new drop test for rollover assessment is presented. The cases were analysed for severity, in terms of injury to the occupants and damage to the vehicle, and taking into account whether a seatbelt was worn or not. The worst possible cases were identified as those that had severe occupant injuries and sizable damage to the occupant compartment when seatbelts had been worn. The most severe cases were then analysed further for impact position (roll and pitch angles) and the impact velocity. With these parameters taken into account, the most representative combinations could be found. This resulted in a series of configurations for possible drop tests. The results of the tests indicate where passenger vehicle structures need to be improved in order to increase occupant safety in the event of a rollover crash.
The objective of European Enhanced Vehicle-safety Committee (EEVC) Working Group (WG) 15 Car Crash Compatibility and Frontal Impact is to develop a test procedure(s) with associated performance criteria and limits for car frontal impact compatibility. This work should lead to improved car to car frontal compatibility and self protection without decreasing the safety in other impact configurations such as impacts with car sides, trucks, and pedestrians. The WG consists of national government representatives who are supported by industrial advisers. The WG serves as a focal point for European research conducted by national and industry sponsored projects. The WG is responsible for collating the results from this research to achieve its objectives. EEVC WG 15 serves as a steering group for the car-to-car activities in the "Improvement of Vehicle Crash Compatibility through the Development of Crash Test Procedures"(VC-COMPAT) project partly funded by the European Commission. This paper presents a review of the current European research status. It also identifies current issues with candidate test procedures and lists the parameters that should be considered in assessing compatibility. The current candidate test procedures are: an offset barrier test with the progressive deformable barrier (PDB) face; a full width wall test with or without a deformable aluminium honeycomb face and a high resolution load cell wall; an offset barrier test with the EEVC barrier and load cell wall. These candidate test procedures must allow assessment of structural interaction, frontal force levels and compartment strength. The WG will report its findings to the EEVC Steering Committee and propose a test procedure in November 2006.
This paper set out to examine the possibilities for injury avoidance implications for older drivers in crashes, based on crash and injury patterns among older drivers and current trends in ageing in most western societies. A number of safety technologies were identified and discussed which have potential for improving vehicle older driver crash avoidance and crashworthiness. While there were some promising estimates available of the likely benefits of this technology for improving safety, it is evident that they need to be confirmed for older drivers, given their age-related disabilities and sensory limitations. Further research is urgently required to ensure that these technologies yield safety benefits without any disbenefits for older drivers.rn
Rollover scenarios in Europe
(2005)
Rollover accidents seem to be a rising problem in Europe and therefore the systematic of this accident scenario should be investigated. Based on statistical investigations on major European accident databases for different countries a series of 73 real world rollover accidents was analysed. These cases were reconstructed using PC-Crash and preliminary categorised using a modified USbased rollover classification. In a first step, the rollover events were reconstructed from the point of conflict to the vehicle- rest position. The vehicles kinematics as well as its linear and rotational velocities were derived. In a second step typical velocity characteristics as well as kinematics were identified and the events categorised according to these criteria. Based on these results four main categories were defined, covering all reconstructed accidents. This categorisation was based on mechanical parameters (rotatory and translator kinematical data of the vehicle). Significant differences can be seen for different scenarios for the "first phase of rollover".
Because of actual developments and the continuous increase in the field of drive assistant systems, representative and detailed investigations of accident databases are necessary. This lecture describes the possibility to estimate the potential of primary and secondary safety measures by means of a computerized case by case analysis. Single primary or secondary safety measures as well as a combination of both are presented. The method is exemplarily shown for the primary safety measure "Brake Assist" in pedestrian accidents. Regarding accident prevention only the primary safety measure is determined.
The European Enhanced Vehicle-safety Committee wants to promote the use of more biofidelic child dummies and biomechanical based tolerance limits in regulatory and consumer testing. This study has investigated the feasibility and potential impact of Q-dummies and new injury criteria for child restraint system assessment in frontal impact. European accident statistics have been reviewed for all ECE-R44 CRS groups. For frontal impact, injury measures are recommended for the head, neck, chest and abdomen. Priority of body segment protection depends on the ECE-R44 group. The Q-dummy family is able to reflect these injuries, because of its biofidelity performance and measurement capabilities for these body segments. Currently, the Q0, Q1, Q1.5, Q3 and Q6 are available representing children of 0, 1, 1.5, 3 and 6 years old. These Q-dummies cover almost all dummy weight groups as defined in ECE-R44. Q10, representing a 10 year-old child, is under development. New child dummy injury criteria are under discussion in EEVC WG12. Therefore, the ECE-R44 criteria are assessed by comparing the existing P-dummies and new Q-dummies in ECE-R44 frontal impact sled tests. In total 300 tests covering 30 CRSs of almost all existing child seat categories are performed by 11 European organizations. From this benchmark study, it is concluded that the performance of the Q-dummy family is good with respect to repeatability of the measurement signals and the durability of the dummies. Applying ECE-R44 criteria, the first impression is that results for P- and Q-dummy are similar. For child seat evaluation the potential merits of the Q-dummy family lie in the extra measurement possibilities of these dummies and in the more biofidelic response.
Topics of this report are: Securing mobility and making mobility sustainable - Strategies for road safety: Safe behavior, Safe vehicles, Safe infrastructure, Telematics, International vehicle-engineering measures " Accident statistics " Accident research " Passive vehicle safety " Active vehicle safety " Driver assistance systems " Environmental protection through vehicle engineering.
Vehicle crash research at different levels is currently being conducted by several investigation groups in Spain, in some instances within various EU-funded projects. However there is a clear opportunity for increasing compatibility and maximizing usefulness, both at national and European levels, of the information collected by these groups. After reviewing on-going activities and programs in different countries, a framework for a nationwide crash investigation project is proposed: an organizational scheme is suggested as part of a future National Road Safety Strategic Plan; a map of investigation teams located in technological centres, universities and police agencies in Spain is presented; alternatives for several practical aspects such as team composition, deployment and operational budgets and project developmental stages are also discussed.
Nigeria ranks one of the highest countries in the world with the largest accident, especially when measured by whiplash associated disorders, whereas, traffic safety education rate, data and information been widely known as preventive indicators have been grossly neglected. In Nigeria, traffic safety enlightenment, awareness, political understanding and appreciation of the problem's magnitude are lacking. This study, therefore, seeks to understand and document the fact that accident causation factors in Nigeria relate more to the problem of development, poverty, knowledge and education as evidenced in most other developing countries. Among the primary accident causation factors on Nigerian roads are: - lack of a transportation system or multi-model integration - sub-standard and obsolete vehicles and road furniture - poor road maintenance, investment and engineering management - paucity of road users' and drivers' knowledge, skill, enlightenment and education of the road Use This paper submits that Nigeria being a developing nation requires purely primitive strategies being cost effective (health wise) than curative measures. It is in this light that an enduring, comprehensive and sustainable traffic safety educational programmes information base and data inventory, analysis and implementations form the focus of this study. This effort will provide basic guidelines framework and implementation procedure for a successful prevention of whiplash associated disorder resulting from road traffic crashes in Nigeria and other parts of the world.