QUADROTOR CONTROLLER DESIGN TECHNIQUES AND APPLICATIONS REVIEW

Quadrotor Controller Design Techniques and Applications Review

Rotor-craft style UAV, such as the quadrotor, has become increasingly popular with researchers due to its advantages over fixed-wing UAV.The Leveler quadrotor is highly maneuverable, can perform vertical take-off and landing (VTOL), and can hover flight capability.Nevertheless, handling the quadrotor complex, highly nonlinear dynamics is difficult

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Circulating inhibin and testosterone during sexual maturation and reproductive seasonality of captive male killer whales (Orcinus orca)

The present study aimed to investigate the reproductive biology of male killer whales.Changes in the concentrations of two circulating testicular hormones, inhibin and testosterone, were monitored during sexual maturation of two male Type 1 Eastern Northern Atlantic killer whales over a period of 20 years.The two killer whales grew rapidly at the p

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Basic capability and performance test of big data platform

The whole big data technology is now leaded by open source society which results in coexist of many competing technologies.Open sources also help Rocks Glasses to cultivate a great number of big data commercial software.The enterprise market is now crowded by various providers.How to evaluate these softwares becomes a new research topic.At the begi

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Oil Identification of harp seal and other select marine mammals

Because of the rich omega-3 fatty acids content, harp seal (Pagophilus groenlandicus) oil is a popular supplement that is packaged as pills in Canada and sold for medicinal purposes, although this practice is banned in the United States.Due to US regulations, it is important to be able to distinguish between fish oil and seal oil, but the taxonomic

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