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Since it is an urgent issue to reduce the global Carbon-dioxide in the world, renewable energy should be supplied as a large amount of the electric power. However, if a large amount of fluctuating renewable energy becomes more than adjustable amount of a utility grid capacity, instabilities such as frequency deviation might occur. We propose a system that is composed of SMES and FC-H2-Electrolyzer...
We investigate the driving behavior differences at unsignalized intersections between expert and nonexpert drivers. By analyzing real-world driving data, significant differences were seen in pedal operations but not in steering operations. Easing accelerator behaviors before entering unsignalized intersections were especially seen more often in expert driving. We propose two prediction models for...
Risky steering operations are detected based on the relationship between the radius of road curvature and road design speed defined in the road construction ordinance. Vehicle motion while steering is approximated as a circular motion, and the vehicle trajectory radius is estimated from lateral acceleration and vehicle velocity captured with a drive recorder based on a circular motion equation. Steering...
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