@inproceedings{DegelKloefferDoppelbaueretal., author = {Degel, Jan Philipp and Kl{\"o}ffer, Christian and Doppelbauer, Martin and Wondrak, Wolfgang and Gullone, Giorgio}, title = {A Novel Approach of High Dynamic Current Control of Interior Permanent Magnet Synchronous Machines}, series = {EPE'19 ECCE Europe}, editor = {Degel, Jan Philipp}, address = {Genua}, isbn = {978-9-0758-1531-3}, doi = {10.23919/EPE.2019.8915058}, pages = {5}, abstract = {Harmonic-afflicted effects of permanent magnet synchronous machines with high power density are hardly faced by traditional current PI controllers, due to limited controller bandwidth. As a consequence, currents and lastly torque ripples appear. In this paper, a new deadbeat current controller architecture has been presented, which is capable to encounter the effects of these harmonics. This new control algorithm, here named "Hybrid-Deadbeat-Controller", combines the stability and the low steady-state errors offered by common PI regulators with the high dynamic offered by the deadbeat control. Therefore, a novel control algorithm is proposed, capable of either compensating the current harmonics in order to get smoother currents or to control a varying reference value to achieve a smoother torque. The information needed to calculate the optimal reference currents is based on an online parameter estimation feeding an optimization algorithm to achieve an optimal torque output and will be investigated in future research. In order to ensure the stability of the controller over the whole area of operation even under the influence of effects changing the system's parameter, this work as well focusses on the robustness of the "hybrid" dead beat controller.}, language = {en} } @unpublished{Drechsler, author = {Drechsler, Dirk}, title = {Smart Cities und Big Data}, series = {Management-Journal}, organization = {Deutsche Akademie f{\"u}r Management}, issn = {2199-9430}, pages = {3 -- 6}, language = {de} } @unpublished{vonPuttkamerZerres, author = {von Puttkamer, Johannes and Zerres, Christopher}, title = {So funktioniert E-Commerce mit Alexa \& Co.}, publisher = {marketing-B{\"O}RSE GmbH}, pages = {2}, abstract = {Die M{\"o}glichkeiten, aber auch die Anforderungen f{\"u}r Sprachassistenten im E-Commerce sind vielf{\"a}ltig. Das betrifft SEO, Kaufvorg{\"a}nge und Datenschutz.}, language = {de} } @unpublished{Drechsler, author = {Drechsler, Dirk}, title = {Purpose - mehr als nur Versprechen}, series = {Management-Journal}, organization = {Deutsche Akademie f{\"u}r Management}, issn = {2199-9430}, pages = {18 -- 21}, language = {de} } @unpublished{Drechsler, author = {Drechsler, Dirk}, title = {Unternehmerische Resilienz}, series = {Management-Journal}, organization = {Deutsche Akademie f{\"u}r Management}, issn = {2199-9430}, pages = {14 -- 17}, language = {de} } @unpublished{Drechsler, author = {Drechsler, Dirk}, title = {Sharing Economy}, series = {Management-Journal}, organization = {Deutsche Akademie f{\"u}r Management}, issn = {2199-9430}, pages = {10 -- 13}, language = {de} } @incollection{Drechsler, author = {Drechsler, Dirk}, title = {Smart Cities. Governance, Big Data und Anwendungsbeispiele}, series = {Stadtmarketing. Grundlagen, Analysen, Praxis}, editor = {Breyer-Mayl{\"a}nder, Thomas and Zerres, Christopher}, edition = {1.}, publisher = {Wiesbaden}, address = {Springer Gabler}, isbn = {978-3-658-26253-2}, doi = {10.1007/978-3-658-26254-9_27}, pages = {403 -- 428}, abstract = {Die Digitalisierung zeigt Auswirkungen auch auf die moderne Konzeption von St{\"a}dten. Unter der Bezeichnung Smart City entwickeln die Verantwortlichen zusammen mit den Stadtplanern und Experten Plattformen, die nicht nur die internen Verwaltungsabl{\"a}ufe, sondern auch die Beziehung zu und das Miteinander zwischen den Stakeholdern einer Stadt verbessern sollen. Dabei entstehen integrative Konzepte, die die City-Governance, Organisation und Technologie b{\"u}ndeln und auf eine einheitliche Zielerreichung hin ausrichten. Im Anschluss an die generische Entwicklung einer Smart City behandelt der Beitrag die spanische Stadt Barcelona als Beispiel f{\"u}r eine entsprechende Umsetzung. Am Ende werden die Chancen und Risiken dieses Konzeptes zusammenfassend gew{\"u}rdigt.}, language = {de} } @incollection{Drechsler, author = {Drechsler, Dirk}, title = {Zusammenfassung und Fazit}, series = {Schutz vor Social Engineering : Angriffspunkte und Abwehrm{\"o}glichkeiten in digitalwirtschaftlichen {\"O}kosystemen}, editor = {Drechsler, Dirk}, edition = {1.}, publisher = {Erich Schmidt Verlag}, address = {Berlin}, isbn = {978-3-503-18859-8}, pages = {211 -- 217}, language = {de} } @incollection{DrechslerSchmid, author = {Drechsler, Dirk and Schmid, Marco Dennis}, title = {Social Engineering Kill Chain}, series = {Schutz vor Social Engineering : Angriffspunkte und Abwehrm{\"o}glichkeiten in digitalwirtschaftlichen {\"O}kosystemen}, editor = {Drechsler, Dirk}, edition = {1.}, publisher = {Erich Schmidt Verlag}, address = {Berlin}, isbn = {978-3-503-18859-8}, pages = {171 -- 209}, language = {de} } @incollection{HertwigDrechsler, author = {Hertwig, Otmar and Drechsler, Dirk}, title = {Social Engineering aus Sicht der Polizei}, series = {Schutz vor Social Engineering : Angriffspunkte und Abwehrm{\"o}glichkeiten in digitalwirtschaftlichen {\"O}kosystemen}, editor = {Drechsler, Dirk}, edition = {1.}, publisher = {Erich Schmidt Verlag}, address = {Berlin}, isbn = {978-3-503-18859-8}, pages = {89 -- 118}, language = {de} }