OBJECTIVE The purpose of this study was to evaluate the ability of a basic driving simulator program to evaluate and train children with disabilities in their ability to operate a powered wheelchair. METHOD With a rating scale of skills considered essential for safe and efficient wheelchair operation, 22 children 7 to 22 years of age with either progressive muscular dystrophy or cerebral pals...

We propose a detection and classification system for various road situations, which is robust to light changes and different road markings. The road curves in an image are described with a Hough Transform, where histograms accumulate the contrast lines for each pixel. The resulting 2D histograms are used to train a Kohonen Neural Network. The final output classification can be used to improve r...

These articles discuss Earth's many dynamic processes and their interactions.

Studies on driver distraction aim to identify features extracted from various sensory signals that can be used to distinguish between normal and distracted driving behaviors. A major challenge in these studies is to determine whether the observed behaviors are associated with the primary driving tasks (checking mirrors, monitoring speed, changing lines) or secondary tasks that deviate the atten...

Reduction in energy consumption has become a global concern, and the EU is committed to reducing its overall emissions to at least 20% below 1990 levels by 2020. In the transport sector measures are focused on planning, infrastructure, modal change, the renewal of vehicles and also programmes for efficient driving. In metro lines equipped with ATO systems, the ATO speed profiles are designed to...

The attosecond lighthouse is a method of using ultrafast wavefront rotation with high-harmonic generation to create a series of coherent, spatially separated attosecond pulses. Previously, temporal measurements by photoelectron streaking characterized isolated attosecond pulses created by manipulating the single-atom response1–4. The attosecond lighthouse, in contrast, generates a series of pul...

PURPOSE OF THE STUDY Evaluating driving safety of older adults is an important health topic, but primary care providers (PCP) face multiple barriers in addressing this issue. The study's objectives were to develop an electronic health record (EHR)-based Driving Clinical Support Tool, train PCPs to perform driving assessments utilizing the tool, and systematize documentation of assessment and ma...

We demonstrate an experimental control of electron localization in deuterium molecular ions created and dissociated by the combined action of an attosecond pulse train and a many-cycle infrared (IR) pulse. The attosecond pulse train is synthesized using both even and odd high order harmonics of the driving IR frequency so that it can strobe the IR field once per IR cycle. An asymmetric ejection...

Recent trend of railway train development can be characterized in several aspects : high speed, infortainment, intelligence in driving, and so on. In particular, trend of high speed in driving is prominent and competition for high speed amongst several techno-savvy countries is becoming severe. To achieve high speed, engines or motors are distributed over multiple vehicles of train to provide i...

One of the strategies for the reduction of energy consumption in railways systems is to execute efficient drivings (eco-driving). This eco-driving is the speed profile that requires the minimum energy consumption without degrading commercial running times or passenger comfort. When the trains are equipped with Automatic Train Operation systems (ATO) additional difficulties are involved. Their p...