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Minimum-Learning-Parameter-Based Fault-Tolerant Control for Spacecraft Rendezvous With Unknown Inertial Parameters

In this paper, robust control strategies are explored to solve the problem of rendezvous maneuver for rigid spacecraft exposed to the external disturbance, actuator faults and unknown inertial parameters.To pursue the control objective, two adaptive controllers are constructed via the sliding mode control (SMC) technology.Firstly, a basic control s

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The role of educational technology in the development of the human resources of the SA Defence Force for the year 2000

"Just as education holds the key to the future in the new South Africa, so educational technology holds the key to the future in the SA Defence Force." In the last few months it has become increasingly obvious that momentous changes are occurring in South Africa.From all sides of the political spectrum, political figures are making announcements an

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Importance of benzoyltransferase GcnE and lysine benzoylation of alcohol dehydrogenase AdhB in pathogenesis and aflatoxin production in Aspergillus flavus

ABSTRACT Lysine benzoylation (Kbz) is a newly identified post-translational modification associated with active transcription and metabolism in eukaryotes.However, whether Kbz exists in pathogenic fungi and its function remains unknown.Here, we demonstrated for the first time that Kbz is present in Aspergillus flavus and identified 60 benzoylated s

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