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VDI Wissensforum GmbH (ed.)

AUTOREG 2017

Series: VDI-Berichte

Volume 2292 2017

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M. Grotjahn, B. Luck, M. Feldt Nichtlineare adaptive Regelung und Störkraftkompensation für elektrische Gaspfadaktoren S. 337-352

„… Nonlinear adaptive control and disturbance compensation for electric gas path actuators Prof. Dr.-Ing …” „… within the engine’s gas path. The mass flows are regulated by gas path actuators. A variety of non-linear …” „… . To overcome these problems, a methodology for modelling and identification of gas path actuators and …”

C. Winter, R. de Castro Optimal Velocity Profile Generation for Semi-Autonomous Vehicles S. 129-142

„… help of a dynamic programming framework the global optimum of the complex optimization with nonlinear …” „… optimization problem from [4] is nonlinear and the numerical solver is not able to ensure global optimal …” „… provides global optimal results for this nonlinear problem. Fig. 1 shows a schematic of the motion …”

C.-E. Framing, T. Quack, F.-J. Heßeler, D. Abel Lokalisierung und Bewegungsprädiktion für vernetzte Fahrzeuge an städtischen Kreuzungen S. 79-90

„… wird bei Objektverdeckungen vor Probleme gestellt. Ein Lösungsansatz ist die Fusion von Sensordaten der …” „… , H Infinity and Nonlinear Approaches. John Wiley & Sons, Inc., 2006 [6] Quack, T.; Heßeler, F …” „… Problemstruktur eignet sich der Einsatz von Hidden Markov Models [9]. Aus dem wahrscheinlichsten Fahrmanöver …”

M. Joševski, D. Abel Potenziale stochastischer modellgestützter prädiktiver Regelungsverfahren für das Energiemanagement von Hybridfahrzeugen auf Realfahrzyklen S. 171-184

„… Methodik zur Lösung des Energiemanagement-Problems dar [3]. Dabei wird über einen begrenzten zeitlichen …” „… auftreten. Diese Probleme sollten durch die Verwendung des stochastischen Ansatzes verhindert werden. 2 …” „… , 1999. [6] M. Cannon, J. Buerger, B. Kouvaritakis, and S. V. Rakovic, “Robust tubes in nonlinear model …”

A. Tarasow, J. V. G. Tilly, T. Arndt, B. Neudecker, R. Serway Adaptive Ermittlung des viskosen Reibmoments bei hydraulisch betätigten Nasskupplungen S. 273-286

„… ] Madsen, K., Nielsen, H. B., Tingleff, O. (2004). Methods for non-linear least squares problems …”

doi.org/10.51202/9783181022924

Maxim Stuckert - Theory and Application of the Lang-Gilles Observer for Distillation Processes

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Maxim Stuckert

Theory and Application of the Lang-Gilles Observer for Distillation Processes

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1253 2016

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Bibliography S. 144-157

„… Bibliography Z. Abdullah, N. Aziz, and Z. Ahmad. Nonlinear modelling application in distillation …” „… . Álvarez and C. Fernández. Geometric estimation of nonlinear process systems. Journal of Process Control …” „… . VDI-Verlag, Düsseldorf, 1992. P. P. Biswas, S. Ray, and A. N. Samanta. Nonlinear control of high purity …”

Introduction S. 1-7

„… nonlinear state observers in particular and studies showing their robustness require more e ort and are …” „… Luenberger, 1964) applied to linear systems are well understood. In contrast, the properties of nonlinear …” „… lter and a nonlinear plant model; they also investigated the e ect of uncertainties in relative …”

Dynamic distillation modeling S. 8-51

„… the properties of some nonlinear model structures, are used to justify the choice of nonlinear model …” „… constitutive equations. The physical laws are typically represented by nonlinear algebraic and di erential …” „… equations. Although numerical di culties and also more development e ort are often introduced by nonlinear …”

Application of the Lang-Gilles observer in distillation control S. 97-118

„… . The current state of the art includes many di erent methods such as PID control, linear and nonlinear …” „… problems in complex plants. In modern chemical plants, thousands of PID regulators may be installed while …” „… highly nonlinear interactions of process variables through the underlying model. The idea behind MPC is …”

Efficiency estimation in distillation columns S. 82-96

„… the relation between the compositions and the temperatures is highly nonlinear. Therefore, the authors …” „… processes are often strong nonlinear, have been less considered. As in our case the Murphree e ciencies …” „… data for implementation. E ciency estimates are periodically determined by means of nonlinear parameter …”

Appendix S. 123-143

„… environments such as gPROMS hide major numerical problems from the user provided that he builds relatively …” „… rigorous distillation models tend to be highly nonlinear. The principal sources of the nonlinearities …” „… ). Besides, they often exhibit very nonlinear behavior. gPROMS o ers a general purpose DAE solver (DASOLV …”

Analysis of the Lang-Gilles observer S. 52-81

„… numerical methods allow the accurate solution of nonlinear di erential equations with improved extrapolation …” „… quality. Consequently, a number of nonlinear state estimation schemes were proposed and some of them were …” „… eventually applied to nonlinear distillation column models. The remainder of this section provides some …”

doi.org/10.51202/9783186253088

Yuhong Song - Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

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Yuhong Song

Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

Series: Informatik/ Kommunikation

Volume 850 2017

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References S. 90-100

„… . Nonlinear phenomena in power electronics: bifurcations, chaos, control, and applications. Wiley-IEEE Press …” „… problems in switched mode power supplies. In Power Electronics and Drive Systems, 1995., Proceedings of …” „… CPPM and CPWM. In Nonlinear Dynamics and Synchronization (INDS) & 16th Int’l Symposium on Theoretical …”

Titelei/Inhaltsverzeichnis

„… discoveries in the twentieth century. Our real world is essentially nonlinear, thus chaos is ubiquitous …” „… considered to be harmful and useless, and thus controlled to prevent its appearance in the nonlinear systems …” „… switching power supply makes use of the pulse-width modulation (PWM) technology to control the nonlinear …”

doi.org/10.51202/9783186850102

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

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A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… (13) (2021), 108024 [11] Krack, M., Gross, J.: Harmonic Balance for Nonlinear Vibration Problems …” „… time domain to account for nonlinear interactions. To speed up computation time, the housing is …” „… [14]. As a result, all dynamic cross-influences are considered nonlinear in the form of a coupled …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… simulation tool. The maximum contact pressures are limited by the material properties, thus proper nonlinear …” „… , manufacturing errors, and misalignments. These problems may result in increased noise levels, vibration, and …” „… reduced reliability of the gear system. Consequently, understanding the underlying causes of NVH problems …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… on the current configuration of the bodies, the problem is non-linear, and thus needs to be solved …” „… the aforementioned algorithms in G+Smo, two benchmark problems were solved. First the contact patch …” „… .: Handbook of Contact Mechanics: Exact Solutions of Axisymmetric Contact Problems. Springer Berlin Heidelberg …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… Drehmomentdichten als möglich führt. Um die genannten Probleme zu lösen, wurde ein parametrisches FE-Modell …” „… position. For the gear and journal bearing contacts nonlinear augmented Lagrange formulations are chosen …” „… plant pins and the carrier is also set up as a nonlinear contact, but the inference fit and the friction …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… suppress the torsional vibration of helicopter transmission system is one of the key problems to be solved …” „… in the design of helicopter transmission system.Boeing and Sikorsky discovered torsional problems in …” „… nonlinear coupling to isolate torsional vibrations in the drive system. Li et al.[10] increased the critical …”

L.-C. Chang, Q. Y. Zhuang, S.-J. Tsai, J.-F. Hochrein, S. Landler, M. Otto, K. Stahl Comparing the contact characteristics of involute gear/ eccentric cycloidal gear calculated by various loaded tooth contact analysis models S. 397-412

„… ) gears. EC gears have unique characteristics, such as a non-linear space curve or surface for contact …” „… adapting the calculation model, it is possible to address conforming contact problems where the contact …” „… area is large compared to the radius of the contact body. To deal with conforming contact problems, the …”

A. I. Aydeniz Modelling and Analysis of the Effect of Root Modification on Load Sharing and Stress Values on Spur Gears S. 1039-1062

„… modification method, which can be used especially in mechanisms with no assembly problems, has been examined …” „… gear sets that have assembling (such as planetary gears) problems. VDI-Berichte Nr. 2422, 2023 1059 …” „… ), A Non-linear Mathematical Model for Dynamic Analysis of Spur Gears Inclıding Shaft and Bearing …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… as positional parameters. Often, these interactions exhibit non-linear behavior. Furthermore, due to …” „… pitting and scuffing load carrying capacity. This result could be confirmed as no more problems with …”

L. Bonaiti, M. Monti, C. Gorla, M. Geitner, T. Tobie, K. Stahl The consequences of different methodologies for the elaboration of pulsator test results with respect to the load spectrum assessment of gears S. 33-52

„… simplification of the fatigue problems [22], which results in a strict distinction of the different regions of …” „… fatigue limit region. The curve can be described by a nonlinear equation of the form: log 𝑁 log 𝜎 (2 …”

doi.org/10.51202/9783181024225

Jan Strubel - Synchronisierung agentenbasierter dynamischer Systeme mittels strukturbeschränkter Regelungen

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Jan Strubel

Synchronisierung agentenbasierter dynamischer Systeme mittels strukturbeschränkter Regelungen

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1250 2016

Results in this title

Literatur S. 156-168

„… . Nonlinear and Adaptive Control with Applications. Springer-Verlag, London, 2008. [8] G. Basile und G. Marro …” „… . Isidori. „Asymptotic stabilization of minimum phase nonlinear systems“. In: IEEE Transactions on Automatic …” „… , feedback equivalence, and the global stabilization of minimum phase nonlinear systems“. In: IEEE …”

doi.org/10.51202/9783186250087

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