Control Digital
Bulletin of Miscellaneous Information (Royal Gardens Kew)
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About 10,000 papers for “Digital control”
Bulletin of Miscellaneous Information (Royal Gardens Kew)
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田豐 · 2019
補正完畢
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Arne Buxbaum, Klaus Schierau, Alan Straughen et al. · 1990
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Moudgalya, Kannan M · CERN Document Server (European Organization for Nuclear Research) · 2007
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W Constant Filterless, Cp Cn, Cp Cn · 2010
NCP2830 is a cost effective mono audio power amplifier designed for portable communication device applications such as mobile phones. Due to its integrated charge pump structure, this part is capable of delivering 1 W of continuous average power to an 8.0 � Bridge Tied Load no matter the voltage provided by a lithium/Ion battery. NCP2830 is a preferred solution for long playback audio with minimum space required. Added to a fast start−up time of 200 �s and a −88dB PSRR, the NCP2830 audio power amplifier is specifically designed to provide high quality and level output power from low supply voltage, requiring very few external components. Features • 1 W to 8 � load for VDD from 2.7 V up to 5.5 V • High quality audio (THD+N = 0.04%) • Low noise: SNR up to 100 dB • Very Fast Turn On Time: 200 �s • Overall system efficiency optimization: up to 89%
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古田勝久, KATSUHISA FURUTA · Tokyo Tech Research Repository (Tokyo Institute of Technology) · 2006
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Timothy Chang, John Y. Hung · The electrical engineering handbook/Electrical engineering handbook series/Electrical engineering handbook · 2011
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Sushil Jajodia, Pierangela Samarati, Moti Yung · 2025
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Yutaka Yamamoto · 2007
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古田勝久, KATSUHISA FURUTA · Tokyo Tech Research Repository (Tokyo Institute of Technology) · 2006
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Yutaka Yamamoto, Masaaki Nagahara · Wiley Encyclopedia of Electrical and Electronics Engineering · 2018
Abstract This article gives a brief account on digital control, particularly sampled‐data control where signals are sampled with a uniform rate. We first review basic notions such as sampling and hold, digital‐to‐analog (DA) converter, z‐transform, and pulse transfer functions. The relationship of sampling theorem with aliasing and controllability is also reviewed. We then discuss standard classical design methodologies and problems inherent to them. The problem lies in the fact that sampled‐data systems operate on two time sets ‐ continuous and discrete. This is usually the cause of difficulties encountered in the classical design methods, in particular the oscillatory intersample behavior called ripples. This problem is resolved by introducing a new technique called lifting. It is seen that lifting makes linear continuous‐time time‐invariant plant an infinite‐dimensional discrete‐time system, thereby making the total system a time‐invariant discrete‐time system. Time‐invariant notions, such as steady‐state response, frequency response, transfer functions, can then be fully recovered. This framework makes it possible to formulate and solve robust control such as H2 and H‐infinity control and improve upon the continuous‐time performance dramatically. The same design philosophy is then applied to digital signal processing, where one can use this robust control method to optimize the intersample signals optimally. Robust sampled‐data control is suitably applied to the signal processing context, and is seen to optimally reproduce intersample high‐frequency signals. Applications to digital signal processing are discussed. The article concludes with reviews on the existing literature and recent advances in sampled‐data control as well as discussing some future directions.
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Jean‐Pierre Corriou · 2004
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2009
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P.N. Paraskevopoulos · 2017
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Elsevier eBooks · 2020
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Basañez Villaluenga, Luis, Caminal Magrans, Pere · Repositori UJI (Universitat Jaume I) · 2002
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Bright, Jonathan · Zenodo (CERN European Organization for Nuclear Research) · 2025
This paper is a preliminary version and may be revised in the future.
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Gennip, WNPB van · TU/e Research Portal (Eindhoven University of Technology) · 1969
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Defense Technical Information Center (DTIC) · 1977
The projected digital European Defense Communications System was used as a framework to achieve the following: (1) Identify and analyze digital network control (DNC) requirements. (2) Demonstrate by analysis that an automated and remotely controllable channel reassignment capability is the optimal application of DNC with respect to function requirements. (3) Recommend the time frame for introducing DNC into the DCS. (4) Conceptually design DNC hardware and software elements based on a set of recommended functions and applications. (Author)
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Shlomo Gore, Sharon Heller, Prof Shmuel Ben-yaacov · 2012
The main objective of this project is to design and build a resonant DC–DC converter that is a closed-loop controlled by a DSP. The converter should be suited to function as a quick battery charger fed from the electrical reticulation system and supply at least 1KW RMS output power when loaded by a 48V battery.
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