In the paper 4 Piece Queen Poster Bed titled as "Jackson-type inequality on the sphere" (2004), Ditzian introduced a spherical nonconvolution operator , which played an important role in the proof of the well-known Jackson inequality for spherical harmonics.In this paper, we give the lower bound of approximation by this operator.Namely, we prove th
This paper presents a data-driven virtual inertia control method for doubly fed induction generator (DFIG)-based wind turbine to provide inertia support Bento Box in the presence of frequency events.The Markov parameters of the system are first obtained by monitoring the grid frequency and system operation state.Then, a data-driven state observer i
Orientation: Globally, non-International Financial Reporting Standards (non-IFRS) disclosures have gained prominence.The International Accounting Standards Board (IASB) is in the process of deciding on the appropriate degree of regulation over such disclosures.Research purpose: This study investigated the value relevance and the extent of regulatio
This paper considers the novel problem of deriving a Time Division Multiple Access (TDMA) link schedule for rechargeable wireless sensor networks (rWSNs).Unlike past works, it considers: (i) the energy harvesting time of nodes, (ii) a battery cycle constraint that is used to overcome so called memory effects, and (iii) battery imperfections, i.e.,