نتایج جستجو برای: rollover threshold

تعداد نتایج: 123126  

Journal: :Traffic injury prevention 2014
Aditya N Belwadi Caitlin M Locey Todd J Hullfish Matthew R Maltese Kristy B Arbogast

OBJECTIVE Rollover crashes account for more than 33% of all motor vehicle-related fatalities and have the highest fatality risk of all crash types, at 1.37% in the United States. There is increased awareness of the high fatality rate associated with this crash type, but there is very limited pediatric-specific data related to rollover crashes in the United States. Recent focus on rollover mitig...

2012
Fadi Tahan Lingbo Yan

In this paper, finite element analysis was used to compare the dynamic rollover performance of a midsized SUV with a strengthened roof in a Jordan Rollover System (JRS) test with an Un-Constrained (UC) rollover under the same initial conditions. The JRS has the ability to closely control the initial conditions of a vehicle being subjected to a rollover test. This research was proposed to study ...

Journal: :Advanced Robotics 2012
Sohee Lee Marion Leibold Martin Buss Frank Chongwoo Park

We present a rollover prevention control law for wheeled mobile manipulators based on the invariance control framework, and that makes use of recursively calculated analytic gradients of the mobile manipulator’s zero moment point. Our controller relaxes many of the assumptions made in existing approaches, and enhances robustness through the use of exact gradient information. Numerical experimen...

2012
Jae Byung Park Beom Hee Lee

Teleoperated mobile agents (or vehicles) play an important role especially in hazardous environments such as inspecting underwater structures (Lin, 1997), demining (Smith, 1992), and cleaning nuclear plants (Kim, 2002). A teleoperated agent is, in principle, maneuvered by an operator at a remote site, but should be able to react autonomously to avoid dangerous situations such as collisions with...

2012
D. Senthil Kumar

The AIS 031 is equivalent to ECE -driver. The ultimate aim of this study was to investigate the impact on passenger residual performed. of 10 mm is maintained in the critical regions and 30mm in the noncritical regions. The -031. ure was carried out using HyperMesh and HyperC it solver. . A study by Pearce et al. [1] found that bus rollovers caused ombined rollover involves -on collision that l...

2000
Edgar A. Whitley Angeliki Poulymenakou Gamila Shoib J. Dewald Roode Gert Jan Hofstede

1. INTRODUCTION At midnight on December 31 st last year one of the most widely anticipated events in computing took placeΧthe Millennium date rollover. Fortunately, the occasion was marked by virtually no disruption to computing services and the global meltdown that some authors had predicted did not arise. The purpose of this panel is to explore the experiences of and the lessons learned from ...

2016
Andrew P. Tarko

There is a recent trend of building roundabouts on highspeed roads, often with the considerable presence of heavy vehicles. With the increased presence of trucks on roundabouts, the issue of overturning has become a concern. Although some geometric, vehicle, and loading factors have been connected to rollover, the safety performance of roundabouts built on high-speed roads is not well understoo...

2008
Nancy Truong William Agassounon

Soldiers incurred injuries or even lost their lives due to rollovers while driving military vehicles. A recent report identified that the one cause of rollovers is the driver’s inability to assess rollover threats, such as a cliff, soft ground, water, or a culvert on the passenger side of the vehicle, due to the vehicle’s width. To reduce the number of rollover accidents, a road-edge detection ...

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