@phdthesis{Scheffler2019, author = {Scheffler, Thomas}, title = {Werkstoffeinfl{\"u}sse auf den Spritzgussprozess von hochgef{\"u}llten Phenol-Formaldehydharz­ Formmassen}, school = {Technische Hochschule Rosenheim}, year = {2019}, abstract = {Im Rahmen der vorliegenden Arbeit wurden verschiedene duroplastische Formmassen laboranalytisch hinsichtlich der rheologischen und thermischen Eigenschaften untersucht. Es wurde u.a. gezielt die absolute Materialfeuchte gesteigert, um den Einfluss dieser auf das Fließ­ H{\"a}rtungsverhalten zu charakterisieren. Anschließend wurden die Materialien auf einer hochinstrumentierten Spritzgussmaschine mit einem Fließspiralenwerkzeug untersucht. Dabei konnte ein direkter Zusammenhang zwischen dem R{\"u}ckfluss und dem Plastifizierdrehmoment in Abh{\"a}ngigkeit der Materialfeuchte und der Prozessparameter detektiert werden . Des Weiteren wurden {\"u}ber die Differenzdruckmessung im Fließspiralenwerkzeug die scheinbaren Viskosit{\"a}ten {\"u}ber den Fließweg ermittelt. Hierbei konnten unterschiedliche Aufschmelzeffekte {\"u}ber die Fließwegl{\"a}nge in Abh{\"a}ngigke it der duroplastischen Formmasse, der absoluten Materialfeuchte und der Prozessparameter detektiert werden . Durch Schererw{\"a}rmung konnte die Formmassentemperatur teilweise die Werkzeugtemperatur {\"u}bersteigen. Hinsichtlich der mechanischen Eigenschaften (Schlagz{\"a}higkeit, Biegefestigkeit) konnten keine signifikanten Einflussgr{\"o}ßen detektiert werden. Hinsichtlich des Tg konnten systematischen Unterschiede detektiert und begr{\"u}ndet werden. Die beste M{\"o}glichkeit zur Ermittlung des Tg lieferte die TMA. Die thermischen Glas{\"u}berg{\"a}nge korrelieren mit den in der DSC ermittelten Aush{\"a}rtegraden , wobei mit steigender Materialfeuchte ein geringer Aush{\"a}rtegrad detektiert wird.}, language = {de} } @article{HartmannBarthKarlingeretal.2016, author = {Hartmann, M. and Barth, S. and Karlinger, Peter and Schemme, Markus and Michanickl, Andreas}, title = {Zusammen maßnehmen}, series = {Kunststoffe}, journal = {Kunststoffe}, number = {7/2016}, year = {2016}, language = {de} } @article{ZillmerKarlingerZentgrafetal.2016, author = {Zillmer, M. and Karlinger, Peter and Zentgraf, Peter and W{\"u}rtele, M. and Grimm, G. and Wolf, W.}, title = {Vorausschauende Zylindertemperierung}, series = {Kunststoffe}, journal = {Kunststoffe}, number = {10/2016}, year = {2016}, language = {de} } @inproceedings{RagaiSchwabenbauerEseretal.2018, author = {Ragai, and Schwabenbauer, and Eser, and M{\"u}ller,}, title = {Effect of Process Parameters on the Electrically-Assisted Sintered Iron-Copper Powder Metals}, series = {ASME 2018 International Mechanical Engineering Congress and Exposition}, booktitle = {ASME 2018 International Mechanical Engineering Congress and Exposition}, editor = {ASME,}, isbn = {978-0-7918-5201-9}, doi = {10.1115/IMECE2018-86891}, pages = {5}, year = {2018}, abstract = {Electric-current-assisted sintering (ECAS) is a novel process that can potentially replace the conventional sintering method. It is hypothesized that the process can reduce the sintering time and can be used in situ; thus, can be more cost effective. The purpose of this research is to investigate the effect of direct current on the sintered properties of iron-copper powder metal. Experiments were conducted at various conditions to determine the optimal process parameters for this particular powder metal. The parameters investigated were electric current levels and energizing time. Experiments also included sintering the powder using a conventional furnace. Samples from both types of experiments were compared to determine the metallurgical differences due to the sintering process. Mechanical and microstructure examination were conducted to aid in determining the feasibility of ECAS.}, language = {en} } @inproceedings{WohlschlaegerVersen2019, author = {Wohlschl{\"a}ger, Maximilian and Versen, Martin}, title = {Bestimmung einer Quanteneffizienz f{\"u}r das automatisierte Sortieren von Kunststoffen durch Fluoreszenz}, series = {AALE 2019 - Autonome und intelligente Systeme in der Automatisierungstechnik 16. Fachkonferenz}, booktitle = {AALE 2019 - Autonome und intelligente Systeme in der Automatisierungstechnik 16. Fachkonferenz}, editor = {Bauer, Benedict and Wittenberg, Carsten}, publisher = {VDE Verlag}, address = {Berlin}, isbn = {978-3-8007-4860-0}, pages = {179 -- 187}, year = {2019}, language = {de} } @inproceedings{KneisslVersen2019, author = {Kneißl, M. and Versen, Martin}, title = {Erh{\"o}hung der Bandbreite eines Stromregelkreises durch Hadamard-Modulation}, series = {AALE 2019 - Autonome und intelligente Systeme in der Automatisierungstechnik 16. Fachkonferenz}, booktitle = {AALE 2019 - Autonome und intelligente Systeme in der Automatisierungstechnik 16. Fachkonferenz}, editor = {Bauer, Benedict and Wittenberg, Carsten}, publisher = {VDE Verlag}, address = {Berlin}, isbn = {978-3-8007-4860-0}, pages = {277 -- 285}, year = {2019}, language = {de} } @inproceedings{WohlschlaegerVersen2019, author = {Wohlschl{\"a}ger, Maximilian and Versen, Martin}, title = {Detektion von Kunststoffen in Wasser mithilfe von Fluoreszenz}, series = {20. GMA/ITG-Fachtagung Sensoren und Messsysteme 2019}, booktitle = {20. GMA/ITG-Fachtagung Sensoren und Messsysteme 2019}, publisher = {AMA Service GmbH}, address = {Wunstorf}, isbn = {978-3-9819376-0-2}, pages = {687 -- 694}, year = {2019}, abstract = {Die wohl gr{\"o}ßte aktuelle Umweltverschmutzung mit Kunststoffen findet in Ozeanen, Seen und Fl{\"u}ssen statt. Bis jetzt gibt es kein etabliertes Verfahren, mit dem Kunststoffe in Umwelt- bzw. Wassermatrizen detektiert werden k{\"o}nnen. Deshalb wird mit einem Verfahren, welches auf dem Prinzip der Fluoreszenz basiert, untersucht, ob unter Laborbedingungen Kunststoffe in Wasser detektiert und identifiziert werden k{\"o}nnen. Anhand eines mathematischen Modells, einer Simulation und mit Hilfe von optischen Experimenten wird gezeigt, dass der Nachweis und auch eine Identifikation von Kunststoffen in Abh{\"a}ngigkeit der Wassertiefe, mit diesem Verfahren m{\"o}glich ist.}, language = {de} } @incollection{Versen2019, author = {Versen, Martin}, title = {DRAM Failure Analysis and Defect Localization Techniques}, series = {Microelectronics Failure Analysis, Desk Reference}, booktitle = {Microelectronics Failure Analysis, Desk Reference}, editor = {Gandhi, Tejinder}, edition = {Seventh Edition}, publisher = {ASM International}, address = {Ohio}, isbn = {978-1-62708-247-1}, publisher = {Technische Hochschule Rosenheim}, pages = {499 -- 505}, year = {2019}, language = {en} } @article{HummelSchemmeKarlinger2019, author = {Hummel, Sabine and Schemme, Micheal and Karlinger, Peter}, title = {GmbH - Glasfaserhybride mit bester Haftung: Variotherme Temperierung f{\"u}r Organobleche}, series = {Plastverarbeiter}, volume = {07/2019}, journal = {Plastverarbeiter}, number = {07}, publisher = {H{\"u}thig GmbH}, address = {Heidelberg}, pages = {2}, year = {2019}, abstract = {Durch Integrieren der Variothermie k{\"o}nnen Organobleche wirtschaftlich und technisch verbessert zu Hybridbauteilen verarbeitet werden. Somit steigert sich der Wettbewerbsvorteil gegen{\"u}ber konventionellen Werkstoffen weiter. An einer Technische Hochschule wird seit mehr als zehn Jahren intensiv an der Thematik der Verbindungstechnologien sowie den Haftungsmechanismen zwischen endlosfaserverst{\"a}rkten Thermoplasten, den sogenannten Organoblechen, und angespritzten Funktionsstrukturen geforscht. Im Fokus stehen prozesstechnische Einfl{\"u}sse, die die Verbundhaftung der Hybridleichtbaustrukturen erh{\"o}hen.}, language = {de} } @inproceedings{SchemmeDittmarKarlingeretal.2019, author = {Schemme, Michael and Dittmar, Harri and Karlinger, Peter and Hummel, Sabine}, title = {Closed-Loop-Recycling - Strategien f{\"u}r endlosfaserverst{\"a}rkte thermoplastische Hybridstrukturen (Vortrag)}, series = {FOREL Kolloquium}, booktitle = {FOREL Kolloquium}, year = {2019}, language = {de} } @inproceedings{WohlschlaegerVersenLanghals2019, author = {Wohlschl{\"a}ger, Maximilian and Versen, Martin and Langhals, H.}, title = {A method for sorting of plastics with an apparatus specific quantum efficiency approach}, series = {2019 IEEE Sensors Applications Symposium (SAS)}, booktitle = {2019 IEEE Sensors Applications Symposium (SAS)}, year = {2019}, abstract = {Today, the automatic separation of polymers from each other in an industrial scale is an unsolved problem. In laboratory environments, two methods are known whereby plastic is sorted either by color or by fluorescence decay time measurements that require fast synchronization and thus expensive equipment. A simple and pragmatic process is proposed to separate plastics from each other: all fluorescent photons are counted in relation to the absorbed photons. A theoretical model and an experimental setup are built in order to determine an apparatus specific quantum efficiency.}, language = {en} } @phdthesis{Stubenrauch2019, author = {Stubenrauch, Franz J.}, title = {Halbleiter großer Bandl{\"u}ckenenergie in Stromrichtern mit Spannungszwischenkreis zur Ansteuerung dynamischer Servoantriebe}, school = {Technische Hochschule Rosenheim}, pages = {219}, year = {2019}, abstract = {Die vorliegende Arbeit untersucht den Einsatz von Halbleitern großer Bandl{\"u}ckenenergie, wie Siliziumkarbid und Galliumnitrid, in Stromrichtern der Antriebstechnik. Diese Halbleiter weisen im Vergleich zu bipolaren IGBTs geringere Schaltverluste auf, wodurch die Schaltfrequenz deutlich erh{\"o}ht werden kann. Das erm{\"o}glicht den Einsatz von Motorfiltern kompakter Bauform und geringen Kosten. Als Ergebnis erh{\"a}lt man einen Stromrichter mit hoher Stromreglerbandbreite und nahezu ideal sinusf{\"o}rmigen Ausgangsspannungen mit geringen Signalverzerrungen.}, language = {de} } @phdthesis{Wittmann2019, author = {Wittmann, Josef}, title = {Beschleunigungsregelung von Servoantrieben basierend auf Positionsmesswerten}, school = {Technische Hochschule Rosenheim}, pages = {231}, year = {2019}, abstract = {In der vorliegenden Arbeit wird der Einfluss einer Beschleunigungsregelung auf das Regelverhalten von Servoantrieben untersucht. Auf einen Beschleunigungssensor wird verzichtet. Die Istbeschleunigung wird aus dem Positionsmesswert berechnet. Anhand eines verifizierten Modells f{\"u}r Positionsmessfehler wird der Einfluss der Positionsaufl{\"o}sung und der Messsignalqualit{\"a}t auf die berechnete Beschleunigung dargestellt. Basierend auf diesen Ergebnissen wird das Konzept einer kombinierten Strom- und Beschleunigungsregelung entwickelt und dessen Funktionalit{\"a}t nachgewiesen.}, language = {de} } @techreport{Karlinger2014, author = {Karlinger, Peter}, title = {Prozessoptimierung und Energieeffizienz: Forschung an Reinr{\"a}umen in der Kunststoffproduktion}, year = {2014}, language = {de} } @inproceedings{Karlinger2014, author = {Karlinger, Peter}, title = {Kunststoffe f{\"u}r Produkte in Reinraumanwendungen}, series = {17. Expertentage - Innovationen}, booktitle = {17. Expertentage - Innovationen}, year = {2014}, language = {de} } @inproceedings{KarlingerDittelBuerkle2015, author = {Karlinger, Peter and Dittel, G. and B{\"u}rkle, E.}, title = {Benedigtbeuerer Reinraumtage}, series = {Benedigtbeuerer Reinraumtage, Tagungshandb{\"u}cher, 2002 - 2015.}, booktitle = {Benedigtbeuerer Reinraumtage, Tagungshandb{\"u}cher, 2002 - 2015.}, year = {2015}, language = {de} } @incollection{Karlinger2006, author = {Karlinger, Peter}, title = {Werkzeugkonstruktion}, series = {: Werkzeugbau in der Kunststoffverarbeitung}, booktitle = {: Werkzeugbau in der Kunststoffverarbeitung}, publisher = {Carl Hanser Verlag}, address = {M{\"u}nchen}, publisher = {Technische Hochschule Rosenheim}, year = {2006}, language = {de} } @misc{Karlinger2008, author = {Karlinger, Peter}, title = {Spritzgießmaschinen und Spritzgießen}, editor = {Karlinger, Peter}, year = {2008}, language = {de} } @inproceedings{Karlinger2013, author = {Karlinger, Peter}, title = {Kunststoff-Fertigung unter quasi Reinraumbedingungen, eine Produktionsumgebung f{\"u}r aktuelle und neue Technologien Bitte partikelfrei!}, series = {Technische Sauberkeit in der Kunststoff-Fertigung}, booktitle = {Technische Sauberkeit in der Kunststoff-Fertigung}, year = {2013}, language = {de} } @inproceedings{EbenKarlingerGehde2013, author = {Eben, J. and Karlinger, Peter and Gehde, M.}, title = {"Bitte nicht St{\"o}ren" - Analyse des St{\"o}rgr{\"o}ßeneinflusses auf Prozess und Qualit{\"a}t}, series = {23. Fachtagung TECHNOMER 2013 14./15. November 2013}, booktitle = {23. Fachtagung TECHNOMER 2013 14./15. November 2013}, year = {2013}, language = {de} } @techreport{Karlinger2014, type = {Working Paper}, author = {Karlinger, Peter}, title = {Kunststoff-Fertigung unter quasi Reinraumbedingungen Vortrag zum Clustertreffen Medizintechnik.}, series = {Clustertreffen Medizintechnik}, journal = {Clustertreffen Medizintechnik}, year = {2014}, language = {de} } @inproceedings{SpaethKarlinger2017, author = {Sp{\"a}th, Michael and Karlinger, Peter}, title = {Optimierungspotenziale beim Spritzgießen durch Prozess{\"u}berwachung und moderne Regelmethoden}, series = {Spritzgießertagung Baden-Baden}, booktitle = {Spritzgießertagung Baden-Baden}, year = {2017}, language = {de} } @article{Karlinger2014, author = {Karlinger, Peter}, title = {R{\"u}ckblick auf die Benediktbeurer Reinraumtage 2014 Schriftliches Interview}, series = {Cleanroom Magazin}, journal = {Cleanroom Magazin}, number = {2/2014}, year = {2014}, language = {de} } @inproceedings{Karlinger2014, author = {Karlinger, Peter}, title = {Einfluss der Verarbeitung auf die Bauteilqualit{\"a}t}, series = {4. VDI-Fachkonferenz Kunststoffe in optischen Systemen}, booktitle = {4. VDI-Fachkonferenz Kunststoffe in optischen Systemen}, year = {2014}, language = {de} } @article{HartmannKarlingerWuertele2015, author = {Hartmann, Markus and Karlinger, Peter and W{\"u}rtele, Martin}, title = {Optimieren durch Simulieren}, series = {Kunststoffe}, journal = {Kunststoffe}, number = {11/2015}, publisher = {Carl Hanser Verlag}, year = {2015}, language = {de} } @book{KarlingerBuerkleWobbe2013, author = {Karlinger, Peter and B{\"u}rkle, and Wobbe,}, title = {Reinraumtechnik in der Kunststoffverarbeitung}, publisher = {Carl Hanser Verlag}, address = {M{\"u}nchen}, isbn = {ISBN 978-3-446-43,428-8}, publisher = {Technische Hochschule Rosenheim}, year = {2013}, language = {de} } @techreport{SchemmeMichanicklKarlinger2017, author = {Schemme, M. and Michanickl, A. and Karlinger, Peter}, title = {Kompetenz-Zentrum Holz-Kunststoff, Partnering-Veranstaltung f{\"u}r Holz- und biobasierte Werkstoffe und Verbundwerkstoffe}, year = {2017}, language = {de} } @inproceedings{SchefflerGehdeSpaethetal.2017, author = {Scheffler, T. and Gehde, M. and Sp{\"a}th, M. and Karlinger, Peter}, title = {Determination of the flow and curing behavior of highly filled phenolic injection molding compounds by means of spiral mold}, series = {PPS Chemnitz}, booktitle = {PPS Chemnitz}, year = {2017}, language = {en} } @article{KarlingerSchwachulla2017, author = {Karlinger, Peter and Schwachulla, T.}, title = {Multifunktionale Naturfaser-Kunststoff-Composites}, series = {Firmenzeitschrift Motan}, journal = {Firmenzeitschrift Motan}, number = {4.Quartal 2017}, year = {2017}, language = {de} } @inproceedings{SpaethZillmerKarlingeretal.2017, author = {Sp{\"a}th, Michael and Zillmer, Markus and Karlinger, Peter and Schemme, Michael and Gehde, Michael}, title = {Einfluss des zeitabh{\"a}ngigen Materialzustands beim Spritzgießen von rieself{\"a}higen, duromeren Formmassen auf den Prozess und die Bauteileigenschaften}, series = {Technomer Chemnitz}, booktitle = {Technomer Chemnitz}, year = {2017}, language = {de} } @article{KarlingerSchadhauserMartinetal.2017, author = {Karlinger, Peter and Schadhauser, M. and Martin, J. and W{\"u}rtele, M. and Modler, N.}, title = {Homogenit{\"a}t ist der Schl{\"u}ssel}, series = {Kunststoffe}, journal = {Kunststoffe}, number = {9/2017}, year = {2017}, language = {de} } @techreport{KarlingerMercadoColmeneroRubioParamioetal.2017, author = {Karlinger, Peter and Mercado-Colmenero, Jorge Manuel and Rubio-Paramio, Miguel Angel and Martin-Do{\~n}ate, Cristina}, title = {A new procedure for calculating cycle time in injection molding based on plastic part geometry recognition}, year = {2017}, language = {en} } @inproceedings{SchemmeMichanicklKarlinger2015, author = {Schemme, Markus and Michanickl, Andreas and Karlinger, Peter}, title = {Neue Naturfaser - Kunststoffverfahren und - werkstoffe f{\"u}r den Fahrzeug-, Holz- und M{\"o}belbau}, series = {2. Kooperationsforum „Holz als neuer Werkstoff" Regensburg}, booktitle = {2. Kooperationsforum „Holz als neuer Werkstoff" Regensburg}, year = {2015}, language = {de} } @inproceedings{Karlinger2016, author = {Karlinger, Peter}, title = {Internationales Kunststoffsymposium S{\~a}o Paulo MODERA{\c{C}}{\~A}O}, series = {Vis{\~a}o Geral - 4.0 Aktueller Stand und Entwicklung}, booktitle = {Vis{\~a}o Geral - 4.0 Aktueller Stand und Entwicklung}, year = {2016}, language = {de} } @article{KarlingerHartmannBarthetal.2016, author = {Karlinger, Peter and Hartmann, Markus and Barth, Simon and Schemme, Michael and Michanickl, Andreas}, title = {Holzoberfl{\"a}chen an Kunststoffteilen}, series = {Zeitschrift Kunststoffe}, journal = {Zeitschrift Kunststoffe}, year = {2016}, language = {de} } @article{KarlingerZillmerZentgrafetal.2016, author = {Karlinger, Peter and Zillmer, Markus and Zentgraf, Peter and W{\"u}rtele, Martin and Grimm, G{\"u}nther}, title = {Neue Regler f{\"u}r Plastizfierungen an Spritzgießmaschinen}, series = {Zeitschrift Kunststoffe}, journal = {Zeitschrift Kunststoffe}, year = {2016}, language = {de} } @article{KarlingerBarthHartmannetal.2016, author = {Karlinger, Peter and Barth, Simon and Hartmann, Markus and Michanickl, Andreas and Schemme, Michael}, title = {Einen Bund eingehen}, series = {Bauen mit Holz}, journal = {Bauen mit Holz}, year = {2016}, language = {de} } @inproceedings{VersenKipfelsberger2014, author = {Versen, Martin and Kipfelsberger, S.}, title = {Introduction to microcomputer technology with the MSP430 Launch Pad in remote labs}, series = {Global Engineering Education Conference (EDUCON), 2014 IEEE}, booktitle = {Global Engineering Education Conference (EDUCON), 2014 IEEE}, year = {2014}, abstract = {Texas Instruments' MSP430 Launch Pad is used as a key component for remote labs that complement an introduction course to microcomputer technology in the bachelor program Mechatronic at the University of Applied Sciences in Rosenheim. The remote labs use breakout boards and include a timer experiment with generation of pulse width modulation signals, I2C communication and analog to digital conversion.}, language = {en} } @inproceedings{VersenBernhardtHeigletal.2012, author = {Versen, Martin and Bernhardt, and Heigl, M. and Viehhauser, P. and Zentgraf, P.}, title = {System for real-time data acquisition and processing on a hail-fighter aeroplane}, series = {Proceedings of the 5th European DSP Education and Research Conference}, booktitle = {Proceedings of the 5th European DSP Education and Research Conference}, year = {2012}, abstract = {The System HAILsens implements a device for Real-Time sensor data processing, running on a Texas Instruments Concerto M3 core. An I2C interface is used for sensor communications. Ethernet with UDP on a custom developed three layered frame organisation of sensor data serves as a link to the main system on board of an aeroplane. For backing up the acquired data, all frames are locally stored on an SD Card. To have the possibility of easily checking the current system status, an LCD module and a push-button provide a minimal user interface.}, language = {en} } @incollection{Versen2011, author = {Versen, Martin}, title = {DRAM Failure Analysis and Defect Localization Techniques, Microelectronics Failure Analysis}, series = {Desk Reference Sixth Edition}, booktitle = {Desk Reference Sixth Edition}, publisher = {ASM International}, address = {Ohio}, publisher = {Technische Hochschule Rosenheim}, year = {2011}, abstract = {Comprehensive guide to the process and test methods used for electronic device failure analysis. Contains dozens of articles—contributed by industry experts—covering a wide range of topics involving the failure analysis of microelectronics. It places the most important and up-to-date information on this subject at your fingertips.  Topic coverage includes:  Failure Analysis Process Flow Failure Verification  Failure Modes and Failure Classification  Special Devices (MEMS, Optoelectronics, Passives)  Fault Localization Techniques: Package Level (NDT)  Die Level (Depackaging, Photon Emission, Microthermography, Laser-Based Methods, Particle Beam Methods)  Deprocessing \& Imaging Techniques: Deprocessing  General Imaging Techniques  Local Deprocessing \& Imaging  Circuit Edit and Design Modification  Material Analysis Techniques  Reference Information: Important Topics for Semiconductor Devices  Failure Analysis Techniques Roadmap  Failure Analysis Operations and Management  Appendices: Failure Analysis Terms, Definitions, and Acronyms  Industry Standards}, language = {en} } @inproceedings{VersenShankarEnimidisettyetal.2011, author = {Versen, Martin and Shankar, S. and Enimidisetty, S. and Bernhardt, A. and Srinivasan, B.}, title = {Setup for Locating PV-Cell Surface Defects Through ISC Measurements}, series = {Proceedings of the 37th ISTFA 2011}, booktitle = {Proceedings of the 37th ISTFA 2011}, year = {2011}, language = {en} } @inproceedings{Versen2011, author = {Versen, Martin}, title = {Worst Case Test Conditions for Defect Localization in DRAM Devices}, series = {Microelectronics Seminar of the ISTFA 2011}, booktitle = {Microelectronics Seminar of the ISTFA 2011}, year = {2011}, language = {en} } @inproceedings{WittmannHagl2016, author = {Wittmann, Josef and Hagl, Rainer}, title = {Gleichlaufschwankungen in Servoantrieben}, series = {Fortschritte in der Antriebs- und Automatisierungstechnik (FAA), Stuttgart}, booktitle = {Fortschritte in der Antriebs- und Automatisierungstechnik (FAA), Stuttgart}, year = {2016}, language = {de} } @inproceedings{WittmannHaglKennel2016, author = {Wittmann, Josef and Hagl, Rainer and Kennel, Ralph}, title = {Influence of Position Measuring Errors on Speed Ripple in Servo Drives}, series = {2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM, Capri, Italy}, booktitle = {2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM, Capri, Italy}, year = {2016}, abstract = {Position measuring devices with sinusoidal measuring signals are widely used in position-controlled servo drives in industrial automation, e.g., for machine tools or semiconductor production machines. Usually, the feedback signal for the speed or velocity controller is calculated from the measured position. Therefore, position measuring errors affect these control loops. This study presents an analytic error model that considers non-ideal sinusoidal measuring signals with basic deviations (amplitude differences, offset errors, and phase shift) as well as signal harmonics. The model was used to systematically investigate the influence of signal quality and the number of signal periods from position measuring devices on speed ripple, across a wide range of speeds. A test stand with a high-resolution reference angle measuring device was used to confirm the results.}, language = {en} } @inproceedings{WittmannHaglKennel2017, author = {Wittmann, Josef and Hagl, Rainer and Kennel, Ralph}, title = {Hybrid Current and Acceleration Control of Servo Drives}, series = {PCIM Europe 2017 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, N{\"u}rnberg}, booktitle = {PCIM Europe 2017 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, N{\"u}rnberg}, year = {2017}, abstract = {A hybrid current and acceleration control is presented and shown to improve the load disturbance behavior of servo drives significantly without additional sensor effort. The feedback signal of the acceleration control loop is calculated from the position data of the motor encoder. Hence, position measuring errors influence this control loop and lead to speed ripple. Therefore, the presented design of the acceleration control loop considers both load sensitivity and position measuring errors.}, language = {en} } @inproceedings{HoellthalerHagl2017, author = {H{\"o}llthaler, Julia and Hagl, Rainer}, title = {Plattformunabh{\"a}ngige modellbasierte Entwicklung von hochdynamischen Antriebsregelungen}, series = {MATLAB EXPO 2017 Deutschland, M{\"u}nchen, 27. Juni 2017}, booktitle = {MATLAB EXPO 2017 Deutschland, M{\"u}nchen, 27. Juni 2017}, year = {2017}, language = {de} } @inproceedings{StubenrauchWittmannKiermayeretal.2017, author = {Stubenrauch, Franz and Wittmann, Josef and Kiermayer, Alexander and Seliger, Norbert and Hagl, Rainer and Schmitt-Landsiedel, Doris and Kennel, Ralph}, title = {FPGA-based High Dynamic Servo Drive Control with a 200kHz Gallium Nitride Inverter}, series = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, Poland}, booktitle = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, Poland}, year = {2017}, abstract = {Increased productivity in industrial processes can be achieved by dynamic and accurate positioning of servo drives. Therefore, improvement of servo drive dynamics using latest technologies in the key components such as inverter, control system and position measuring device are investigated. Using Gallium Nitride (GaN) or Silicon Carbide (SiC) semiconductors for motor inverters enables energy efficient operation up to pulse width modulation (PWM) frequencies of 500 kHz. This allows motor filters with small component sizes. As a result, high motor efficiency, low torque ripple, high control bandwidth and almost ideal sinusoidal output voltages are achieved. Experiments on a 200 kHz Gallium Nitride inverter with sine wave motor filter show a current control loop bandwidth of 3.2 kHz and almost ideal sinusoidal phase voltages. The achieved bandwidths of the speed and position control loops are 318 Hz and 106 Hz, respectively.}, language = {en} } @inproceedings{VersenTreichlKalteneckeretal.2018, author = {Versen, Martin and Treichl, R. and Kaltenecker, M. and El Shahawy, H. and Thomas, T. T.}, title = {Differentielle LVDS Schnittstelle f{\"u}r modellbasierte Entw{\"u}rfe mit MathWorks HDL Coder}, series = {15. AALE Konferenz zu Cyberphysischen Produktionssystemen, 2018}, booktitle = {15. AALE Konferenz zu Cyberphysischen Produktionssystemen, 2018}, publisher = {VDE-Verlag}, address = {Berlin}, isbn = {978-3-8007-4522-7}, year = {2018}, language = {de} } @article{VersenErnstGulati2017, author = {Versen, Martin and Ernst, W. and Gulati, P.}, title = {A row hammer pattern analysis of DDR2 SDRAM}, series = {Microelectronics Reliability}, volume = {76-77}, journal = {Microelectronics Reliability}, pages = {64 -- 67}, year = {2017}, abstract = {A DDR2 SDRAM test setup implemented on the Griffin III ATE test system from HILEVEL Technologies is used to analyse the row hammer bug. Row hammer pattern experiments are compared to standard retention tests. The analysis confirms that the row hammer effect is caused by a charge excitation process depending on the number of stress activation cycles. The stress has to occur in the local neighborhood of the cells under test. Shallow impurity levels support the responsible charge carrier transport process in the used DDR2 SDRAM technology}, language = {en} } @inproceedings{VersenKipfelsbergerSoekmen2016, author = {Versen, Martin and Kipfelsberger, F. and Soekmen, F.}, title = {Model-Based Reference Design Projects with MathWorks' HDL Workflow Advisor for Custom-Specific Electronics with the Zedboard}, series = {ANALOG 2016; 15. ITG/GMM-Symposium, Bremen, Germany}, booktitle = {ANALOG 2016; 15. ITG/GMM-Symposium, Bremen, Germany}, year = {2016}, abstract = {Reference design projects are implemented to the Xilinx Zynq on the Zedboard which is extended by user defined electronic hardware connected through the Zedboard's FMC (FPGA Mezzanine Card) connector. The implementation method with HDL Workflow Advisor includes constraint definitions for modified reference design projects for use with digital input and outputs and Zynq's XADC (Analog-Digital converter) which is characterized and compared to its data sheet. The bandwidth of the Zynq's internal AXI (Advanced eXtensible Interface) bus connected to the Simulink host PC is determined.}, language = {en} }