Fixed Time Disturbance Observer Based Sliding Mode Control for a Miniature Unmanned Helicopter Hover Operations in Presence of External Disturbances

This paper presents a novel fixed time sliding mode disturbance observer (FTSMDO) based second-order fixed time sliding mode control (FTSMC) for Foot cream small scale unmanned helicopter to do hover operations in the presence of external disturbances.Sliding mode control is insensitive to matched uncertainties but sensitive to mismatched uncertain

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Handcraft: merchandise, value and fetish

The article aims to expose reflections on the handcraft as a symbolic differential for fashion products and design.The text presents reflections on Nail Powder the representations of craft production to the consumer market from the study of the categories: commodity fetish and value.Therefore, they were used with theoretical support the concepts er

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