Identification of adequate sample size for conflict-based crash risk evaluation: an investigation using Bayesian hierarchical extreme value theory models - Fu C, Sayed T.
The use of traffic conflict-based models to estimate crash risk and evaluate the safety of road locations is a popular direction for road safety analysis. However, a challenging issue of traffic conflict-based crash risk modeling is the selection of an app... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Improved YOLOv5-based for small traffic sign detection under complex weather - Qu S, Yang X, Zhou H, Xie Y.
Traffic sign detection is a challenging task for unmanned driving systems. In the traffic sign detection process, the object size and weather conditions vary widely, which will have a certain impact on the detection accuracy. In order to solve the problem ... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Real-time safest route identification: examining the trade-off between safest and fastest routes - Ghoul T, Sayed T, Fu C.
Several studies have shown that crash risk is a dynamic quantity that is frequently changing with considerable spatial and temporal variations. Recent advances in safety evaluation techniques such as using extreme value theory (EVT) models provided the opp... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Secondary crash mitigation controller after rear-end collisions using reinforcement learning - Hou X, Gan M, Zhang J, Zhao S, Ji Y.
Rear-end collisions result in a large number of casualties and property losses, and the serious injury risk in multiple impact accidents is much higher than that in single impact accidents. In this paper, we propose a novel controller to facilitate the pre... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Temporal stability of the impact of factors determining drivers' injury severities across traffic barrier crashes in mountainous regions - Song D, Yang X, Ch. Anastasopoulos P, Zu X, Yue X, Yang Y.
Traffic barrier crashes have been a major concern in many prior studies in traffic safety literature, especially in the crash-prone sections of mountainous regions. However, the effect of factors affecting the injury-severities resulting from crashes invol... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Traffic conflict prediction using connected vehicle data - Islam Z, Abdel-Aty M.
Transportation safety studies have been mostly focused on using crash data that are rare events. Alternatively, conflict estimation can be used to assess safety. This has been proven as a proactive design methodology that does not rely on crashes and requi... (Source: SafetyLit)
Source: SafetyLit - September 29, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Will ‘Oppenheimer’ Hit $1 Billion? Inside Christopher Nolan’s Historic Box Office Run
Does Christopher Nolan‘s “Oppenheimer” have enough heat to hit $1 billion globally? At one point, this milestone may have sounded entirely improbable for a three-hour historical drama that mostly depicts scientists talking about theoretical physics. But sure enough, the biopic starring Cillian…#christophernolans #oppenheimer #cillianmurphy #fastandfurious #nolan #oscar #universalandnolan #darkknight #darkknightrises #universal (Source: Reuters: Health)
Source: Reuters: Health - September 28, 2023 Category: Consumer Health News Source Type: news
The impact of urbanization on the flow of traffic in Faisalabad City Pakistan - Hissan R, Waseem LA, Khurshid M, Maqbool MS.
It is estimated that 50% of the world's population is living on only 2% of land area. Population scientists also believe that the urban population will increase from 80% to 90% by 2030 which is why urban growth is a significant problem in the developing wo... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Pedestrian delay models for compliant & non-compliant behaviour at signalized midblock crosswalks under mixed traffic conditions - Manthirikul S, Jain U, Marisamynathan S.
The present study aimed to propose new pedestrian delay models for Signalized Midblock Crosswalks (SMC) for mixed traffic conditions. A detailed study of the literature revealed that most of the existing pedestrian delay models were developed for signalize... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Load-limiting in the lap belt reduces injury risks associated with new seating positions - Östling M, Lubbe N.
The two objectives are to demonstrate technical feasibility for an advanced 3-point seatbelt system incorporating double lap belt pre-tensioning and load-limiting and to evaluate its injury risk reduction relative to that of a 3-point seatbelt without doub... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Efficient crash structure design for road traffic accidents of tomorrow - Christensen J, Wilson A, Bastien C, Kayvantash K.
Energy absorbing structures (EAS) play a vital role in automotive crash mitigation systems and save countless lives each year. Innovative EAS design ideas such as cross-sectional geometry is an area under intense research as evidenced by a large number of ... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Design and optimization of anti-climber device for light rail transit crash energy management system - Ihsan MN, Santosa SP, Gunawan L, Budiwantoro B.
The study of a new anti-climber structural concept for a light rail transit crash energy management system is intended to improve passive safety performance that reduces the risk of overriding during a car-to-car collision. The anti-climber design and conf... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Crash-worthiness studies on multistage stiffened honeycomb core sandwich structures under dynamic impact loads - Vusa VR, Budarapu PR, Rabczuk T.
The high-velocity impact performance of honeycomb sandwich structures is enhanced by adopting multi-stage structures with varying cell wall thickness, and cell wall inclination, after preserving the structural mass. The performance of the enhanced structur... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Barriers to transportation in rural communities: perspective of older adult users - Yu J, Liu Y.
OBJECTIVES: Rural older adults who require transportation assistance face more challenges than their urban counterparts. By focusing on a historically underserved population, this study examined specific barriers from the perspective of older adult users a... (Source: SafetyLit)
Source: SafetyLit - September 28, 2023 Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news
Another retraction looms for embattled physicist behind blockbuster superconductivity claims
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Facing a mutiny by his co-authors, Ranga Dias, the University of Rochester (U of R) physicist embroiled in controversy over his superconductivity research and allegations of scientific misconduct, is set to have a third paper retra...
Source: ScienceNOW - September 27, 2023 Category: Science Source Type: news
