Abstract: In this paper, the fixed-time control problem of DC-DC buck converter systems with mismatched disturbances is investigated. Firstly, the sliding mode fixed-time observers are constructed to ...
DES MOINES, Iowa--(BUSINESS WIRE)--Principal Asset Management ® today announced the launch of Principal ® Fit, a fixed income exchange-traded fund (ETF) suite that includes four newly launched ...
Greg Daugherty has worked 25+ years as an editor and writer for major publications and websites. He is also the author of two books. Getty Images Some retirement accounts are protected from creditors, ...
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