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In this study, we aim at realizing autonomous simultaneous flight of multiple small helicopters. In such situation, collision avoidance of the helicopters should be considered in guidance control system to improve safety and reliability of the flight system. In this paper, we construct a collision-free guidance control system for multiple small helicopters. The collision avoidance problem is regarded...
Previous research has indicated that unbelted drivers are at higher risk of involvement in fatal crashes than belted drivers, suggesting selective recruitment that high-risk drivers are unlikely to become belt users. However, how the risk of involvement in fatal crashes among unbelted drivers varies according to the level of seat belt use among general drivers has yet to be clearly quantified. We,...
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