DEVELOPMENT OF OPERATOR TRAINING SUPPORT SYSTEM FOR SMALL-SCALE HELICOPTERS BY AUTOMATIC RECOVERY CONTROL WITH ATTITUDE AND VELOCITY STABILIZATION

Development of operator training support system for small-scale helicopters by automatic recovery control with attitude and velocity stabilization

Applications of small unmanned helicopters are rapidly growing in Oven Door Spring the civilian and commercial field such as pesticide spraying, aerial filming, and inspection.However, accidents often happen from deficient of operator skill, which leads to a large demand for reliable and skilled pilot.This paper describes the development of operato

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Antibacterial Effects of Natural Herbal Extracts on Streptococcus mutans: Can They Be Potential Additives in Dentifrices?

Background.Many plants or herbs exhibit potent antimicrobial activity against various microorganisms.They have no side effects and presumably act against and modulate the factors that are crucial for microbial survival or their activity.Streptococcus mutans is a pioneer bacteria implicated in dental caries.This study aims to evaluate the antimicrob

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