Filter results

Results (380)

Sort by:

Select all Select all

Page 1

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

Partial access

Select

Yuhong Song

Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

Series: Informatik/ Kommunikation

Volume 850 2017

Results in this title

System Stability under Chaotic Duty Modulation S. 57-71

„… 6 System Stability under Chaotic Duty Modulation 6.1 Introduction The switching converter is a …” „… gets back to a state of equilibrium, which is named as the stability of the control system [43 …” „… ]. According to the classical control theory, the stability analysis of the switching converter is normally …”

Conclusions S. 88-89

„… been conducted for the stability of switching converters under chaotic modulation via the classic …” „… control theory. Based on the half-bridge model, stability can be judged by the margin of the gain and the …” „… deduced. b. The stability analysis is confined to the chaotic duty modulation, more modulation modes will …”

Tests of Input and Output Characteristics S. 83-87

„… of the system. From the stability analysis in Chapter 5, chaotic modulation has no impact on the …” „… system stability, as long as the chaotic signal meets the requirements of amplitude and central frequency …” „… regulation ratio means the stability of the output voltage varying along with AC input voltage at a certain …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… (EMC) – Stability – Remaining useful life Abstract: The switching converter generates serious …” „… System Stability under Chaotic Duty Modulation 57 6.1 Introduction …” „… Small Signal Model . . . . . . . . . . . . . . . 66 6.3 Stability …”

Introduction S. 1-13

„… control theory for analysing the system stability under chaotic duty modulation and deduce two …” „… stability of switching converters under chaotic duty modulation. A switching converter is a typical …” „… nonlinear control systemwhose stability refers to regaining the equilibrium once suffering a disturbance …”

Circuitry Design for Chaotic Modulation S. 14-22

„… closed-loop stability and produces the transistor driving-pulse. L Q DVs RL CPWM is iL io vo A C Rs Rch chv …”

References S. 90-100

„… Conference on, pages 628–631, 1992. [53] H. Li, Z. Li, B. Zhang, Q. Zheng, and W. Halang. The stability of a …”

The Remaining Useful Life under Chaotic Modulation S. 72-82

„… , moist and over-current. Working status of the power device directly affect the precision, stability and …”

doi.org/10.51202/9783186850102

VDI Wissensforum GmbH - International Conference on Gears 2022

No access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

S. Matkovič, M. Kalin, A. Pogačnik Dimensional stability of moulded polymer gears under various environmental conditions S. 1061-1070

„… Dimensional stability of moulded polymer gears under various environmental conditions MSc. Ing. S …” „… examination on dimensional stability of polymer gears or standardization a detailed research on the moulded …” „… to swelling was evaluated. 2. Experimental Dimensional stability of Gears moulded by Gleason, USA …”

M. Matzke, A. Elter Ensuring reliable grease service life in high temperature plastic gears S. 1249-1256

„… Gears°C 1x DIN 51808: Determination of oxidation stability of greases – oxygen methodpressurized oxygen …” „… evaluationsof structural stability (flow curve)• Evaluation of time-to-failure as function oftemperature, grease …” „… withaminic heat stabilizergrease on polyamide withcopper-salt heat stabilizerResult: Decrease of stability …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… dimensional stability of PA9T over a wide temperature range enables to substitute underperforming materials PA …” „… stability, with a high heat re-sistance, and high chemical resistance. These properties make GENESTAR™ an …” „… conditions which lead to a decrease in strength and dimen-sional stability, due to water uptake. In addition …”

B. Winter Design of manufacturing cells in the light of improvements in manufacturing technology and automation S. 1411-1414

„… only possible if the process stability can be kept on a high level. Next to the stability of each …” „… the serial production and guarantee a good process stability. For the unloading of production cells …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… case, a detailed rib design is required to increase the stability of the gear. Often, the large wall …” „… also increases the stability of the gearwheel. As already mentioned, good gear tooth qualities can be …” „… due to the larger hub. The greater stability of the wheel body means that the tooth contact can take …”

N. Hessinger, M. Braunstingl, H. Bansal Advanced use of DOE in gear geometry optimization S. 281-286

„… robustness, meaning the stability of their behaviour, over a matrix consisting of drive and coast operating …” „… deflection combination, but also its robustness, specifically the stability of these attributes over the …”

T. Konig, M. Kley, F. Wagner, M. Liebschner Enhanced damage classification on transmissions by generating synthetic data with Generative Adversarial Networks (GAN) S. 227-238

„… to ensure training stability and accuracy of the applied algorithms. But especially in early …” „… condition. Balanced data sets can significantly increase the performance and stability of machine learning …” „… accuracy and the stability of the algorithm [12]. For WGANs the Wasserstein loss function is used. The …”

C. A. Celikay, A. Donmez, A. Kahraman An experimental study of parametric resonances of a spur gear pair at speeds above its primary resonance S. 511-522

„… speed is increased incrementally, the low-amplitude 1 motion loses its stability at a certain speed …” „… 2 motion which loses its stability to yield the upper branch 2 motion. Upper branch 2 motions …” „… since the lower branch 1 motion maintained its stability. 4. Conclusion Response of a spur gear pair …”

L. Hildebrand, F. Dangl, M. Sedlmair, T. Lohner, K. Stahl CFD analysis on the oil flow of a gear stage with guide plate S. 677-694

„… required to ensure numerical stability and to relate to physical circumstances in technical applications …” „… with a mean acceleration value of a = 40 m/s² was used. Hereby the numerical stability of the …” „… was significant for numerical stability and realistic simulation results. The fine-mesh model …”

M. Steinbacher, T. Boyraz, R. Fechte-Heinen, G. Hellenbrand Heat treatment development for the new steel grade X20NiCrAlMoV6-5-2-1 for high performance gear wheel application S. 891-902

„… reatined austenite content did not deminish emphazising the thermical stability of the retained …” „… by introducing nitrogen along with the carbon content additional stability. The effective hardness of …”

F. Donner, T. Scheu, M. Weigand Dynamic simulation of a rotor system with variable speed S. 985-994

„… investigated. Stability and controllability criteria are quantified in simulations and should be enriched by …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… Runge-Kutta 4 scheme [27]. To improve numerical stability and the quality of the pressure field, an additional …” „… diffusion-based algorithm for stability and validations for impulsive flows and propagating waves. In: Journal of …”

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… , 83(2015) pp.25-136. [9] Parker, R. G., Sathe, P. J. “Free vibration and stability of a spinning …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… the results, the periodical maintenance of these gears decides the stability of the system. However …”

C. M. Illenberger, T. Tobie, K. Stahl Operating behavior and performance of oil-lubricated plastic gears S. 1117-1132

„… significantly to heat dissipation from the tooth contact and thus to thermal stability. On the other hand, the …”

P. Barreiro, S. Pfrimmer, G. Armutcu, J. Hermes Quality improvement of an aluminum gearbox housing by implementing additive manufacturing S. 1429-1446

„… concerning the die’s stability. 3D metal printing was suitable for the manufacturing, because a clear …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… Karlsruhe Institute of Technology (KIT), Germany f Material propertiesDimensional stability of moulded …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… . The process stability and the quality of the results also closely depend on the geometry design …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… dimensioned. Propagation of those defects reduces the mechanical stability of such components, rendering their …”

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… . Lead supports the formation and stability of passivation layers and, therefore, enhances the corrosion …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

Partial access

Select

VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

M. Mileti, H. Pflaum, K. Stahl TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs S. I-357-I-368

„… TorqueLINE Cone Clutch: Thermo-Mechanical Stability of Cone Clutches for ATs M.Sc. Marco Mileti …” „… thermal stability analysis is indispensable for determining the load limits of the new clutch. For this …” „… thermo-mechanical stability. VDI-Berichte Nr. 2328, 2018360 The thermo-mechanical model As Acuner states in [1 …”

D. Engelmann, S. Herr Validierung neuer Funktionen eines mechanischen Antriebsstrangs für mobile Arbeitsmaschinen mit radindividueller Steuerung S. III-81-III-82

„… relevant for driving stability. This causes the vehicle to skid and the trailer to buckle. The problem is …” „… results show, that driving stability can be maintained even when decelerating via the drive train on poor …”

Titelei/Inhaltsverzeichnis S. I-I-I-X

„… Motor Co. LTD., Japan TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs …”

M. Hofstetter, D. Lechleitner, M. Hirz, M. Gintzel, A. Schmidhofer Multi-objective gearbox design optimization for xEV-axle drives under consideration of package restrictions S. I-239-I-254

„… characteristics, e.g. lubrication, deformation of the housing, acoustic behavior (NVH), rotor stability and park …” „… stability and park lock integration. These detailed parameters are not considered in the introduced …”

D. Güth, J. Haupt, T. Gassmann Seamless-shift two-speed eAxle with torque vectoring S. I-255-I-268

„… agility, traction and stability in a premium SUV with a P4 hybrid vehicle architecture using a 60kW …” „… , stability, and driving dynamics, and furthermore to fulfil requirements for high traction and high speed …”

T. Högnäs, G. Beldie 48 volt torque vectoring electric rear drive module (eRDM) – Excellent driving dynamics with significant CO2 savings S. I-517-I-528

„… wheel angle and throttle position. The result is state-of-the-art driving dynamics and stability. In …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark S. I-285-I-304

„… simulation also included multiple plausibility and stability checks, such as variations in clutch or …” „… simulation results was further optimized through stability checks, whereby both transmissions were simulated …”

A. Dietrich, H. Klampfl “Friction Stir Welding” – Lightweight through manufacturing technology – The path from a concept to revolutionary gearbox manufacturing S. I-385-I-396

„… stability to support a 4 mm deep weld. With this configuration, an acceptable welding speed can be realized …”

J. van der Meer, G. Hangen, J. Uhlig The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family – Design, layout and manufacture S. I-451-I-464

„… and thermal stability even with high torque requirements. To minimise the copper losses, a wave …”

W. Guo, M. Jordan, X. Xu The application of fast and efficient clutch coordination control in a P2 hybrid automatic transmission S. I-465-I-484

„… clutch. In order to ensure the stability of the closed-loop speed control, only simple shifts are …” „… phase in D7D5 shift process, the C2 clutch is actually in holding state to ensure the stability of the …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions S. I-425-I-440

„… are above Euler forward scheme stability limit Tmax = −2. e / ( e²+Im²) with Re and Im being real and …”

T. Gemassmer Approaches to increase efficiency and dynamics of ipmsm traction drives by optimization of control strategies S. II-85-II-102

„… voltage reserve to the current dynamics in the higher speed area, including stability issues when …”

M. Behzad, V. Saxena, M. Schaefer Thermal-hydrodynamic optimization of grooves in a wet clutch S. I-101-I-118

„… simulations to their target values for numerical stability. Table 2 shows the simulation cases and the …”

doi.org/10.51202/9783181023280

H. W. Reinhardt, G. J. Parra-Montesinos, H. Garrecht - HPFRCC-7.

Partial access

Select

H. W. Reinhardt (ed.), G. J. Parra-Montesinos (ed.), H. Garrecht (ed.)

HPFRCC-7.

2015

Results in this title

L. Monfardini, R.D. Lequesne, F. Minelli, G.J. Parra Montesinos, J.A. Pincheira Stability of reinforcing bars in steel fiber reinforced concrete flexural members S. 391-398

„… 391 STABILITY OF REINFORCING BARS IN STEEL FIBER REINFORCED CONCRETE FLEXURAL MEMBERS L. Monfardini …” „… Abstract A series of tests was conducted to study the stability of longitudinal reinforcing bars in fiber …”

B. Shao, P. Gauvreau Mix design and basic properties of a new UHPFRC featuring portland-limestone cement S. 37-44

„… measure of stability in ASTM C1611, the fresh concrete had a visual stability index of zero, which …” „… corresponded to high stability [11] (Figure 1). Figure 1: Slump flow test 3.2. Hardened concrete properties …” „… result. It also exhibits high degree of stability. (2), The GUL mix has noticeably lower compressive …”

Subject index S. 507-510

„… tensile stress 98, 447 Stability 391 Standard bullets 326 Statistical prediction 348 Stays 451 Steel …”

L.F. Maya Duque, A.M. Nuñez López Development of a high-performance fiber-reinforced cement composite for large scale processing S. 87-94

„… successfully integrated within the material formulation. The rheological stability and flowability of the …”

S.K. Swar, S.K. Sharma, H.K. Sharma Performance characteristics of HPDSP concrete: an overview S. 79-86

„… that addition of fibres could improve the dimensional stability and integrity of the joints. Also it …”

Titelei/Inhaltsverzeichnis S. I-2

„… cyclic loadings J.-P. Charron, F. Lachance, B. Massicotte 383 48 Stability of reinforcing bars in …”

doi.org/10.51202/9783816793977

No access

Select

OPE Journal

Browse Volumes: OPE Journal

OPE Volume 12 (2022) Issue 40 ISSN Online: 2366-8040

Results in this title

Pushing Perovskite cells to greater stability and efficiency S. 28

„… , enabled researchers to improve efficiency and stabilityPushing Perovskite cells to greater stability and …” „… increase their stability.“Some people can demonstrate perovskites with high stability, but efficiency is …” „… high efficiency and high stability simultaneously. That’s challenging.”The researchers used an inverted …”

Turning body movement into electricity S. 25

„… protection to the perovskites, adding to its mechanical property and stability.”The result is a prototype …” „… found in devices like mobile phones.The fabric showed good durability and stabil-ity – its electrical …”

Martin Hirschmann Dear Readers, S. 3

„… of Technology (KIT) [Member of OE-A]28 Pushing Perovskite cells to greater stability and …”

Thin-film technologies for the energy transition S. 26

„… maturity. Research topics are in particular the optimisation of substrate handling, long-term stability and …”

doi.org/10.51202/2366-8040-2022-40

1

2 3 ... 76