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ELIV 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2423 2023

Treffer in den folgenden Teilen:

J. Hansson, L. Henderson, M. Sadeghi Kati, D. Möller, S. Ray, S. Schoutissen Safe and efficient regenerative braking strategies for BEV heavy vehicle combinations S. 91-102

„… tyre friction capability are presented. The first method involves estimating a force limit of the …” „… to the load on each respective axle, thus utilizing the available friction equally on all wheels. UN …” „… . However, due to their reactive nature, they cannot mitigate against all events on low-friction surfaces …”

C. Horn Automotive OS reloaded – Refocus and Reality Check S. 385-390

„… organizational setup can be a strong enabler to make this transformation faster and with less friction …”

P. Fietkau, L. Diebolder Challenges in the Synchronous Development of Software, Hardware and Mechanics for Drive Systems S. 559-572

„… influences the shifting process via inertia, frictional torques, geometry, etc., which in turn can be taken …”

doi.org/10.51202/9783181024232

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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

Treffer in den folgenden Teilen:

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles S. I-133-I-148

„… have a long tradition in transmissions, starting with brake bands, dog clutches, friction brakes or …” „… later on, friction clutches. Brake bands and dog clutches have the advantage of (almost) no drag torque …” „… default position). Friction clutches bring the advantage of slip with high controllability in their …”

H. Gürbüz, S. Ott, A. Sutschet, J. Kern Highly efficient clutch system for multispeed BEV S. I-119-I-132

„… . In order to still be able to transmit a high torque, the number of friction and steel plates is …” „… components. The friction clutches used in powershift transmissions of conventional drives have not been …” „… conventional friction clutches. The consortium partners Kaco GmbH & Co. KG (Kaco), Miba Frictec GmbH (Miba …”

F. Völkel, M. Tietz, A. Schamin, S. Giehl Rolling into the future – Bearing solutions for electric mobility S. I-103-I-118

„… of the tapered roller bearing – can be used as a locating bearing and offers the friction-related …” „… development and now offer the same level of friction-related advantages as ball bearings. Depending on the …” „… generate as little friction as possible at the same time. It is generally well-known that …”

C. A. Spangler Borg Warner’s P1 and P2 hybrid drive modules – Modular kit for P1 and P2 hybrids S. I-221-I-232

„… this kit are: Traction Motors Power Electronics Control Software Wet Friction Clutch …” „… Algorithms and Software VDI-Berichte Nr. 2373, 2020226 Wet Friction Clutch Systems Building on …” „… BorgWarner’s long history with one-way clutches and wet friction clutches the modular kit includes a number of …”

T. Casper, G. Spengler, M. Bromberger The high-efficiency fully electric drivetrain of the new Porsche Taycan S. I-289-I-304

„… coefficient of friction between the tire and the road). The following quantities are included in the …” „… and rear axles has the same coefficient of friction between tire and road. The drive force …” „… parabola, the same coefficient of friction is used on the front and rear axle at maximum acceleration …”

K. Sakai, T. Kishimoto, T. Kobayashi, T. Maekawa, T. Shinohara, M. Ogawa Development of the new chain CVT for middle capacity S. I-79-I-88

„… Loss Friction loss torque was reduced by optimization internal specification of the taper roller …” „… ring being optimized, its friction loss torque was reduced with forming an oil film by dynamic …”

K. Kim New high efficiency CVT for middle class FWD vehicle S. I-271-I-284

„… friction loss than the belt. Chain Belt Push …” „… economy by reducing the friction loss due to viscosity reduction. Fig. 20: Optional …”

P. Tenberge, A. Alnahlaui E-drive and hybrid-drive with 2 high-speed E-motors and a 2-speed gearbox S. I-233-I-252

„… losses completely. As in any friction clutch, the efficiency of the spinning-free traction gearbox then …” „… with torque interruption or they can control the clutch forces in friction clutches for shiftings …” „… friction VDI-Berichte Nr. 2373, 2020250 19 clutch C1 with an integrated rotary vibration damper. Figure …”

P. Lück, K. Bennewitz, J. Tousen, J. Peter The front-axle drive of the MEB – Volkswagen expands the e-drive portfolio S. I-7-I-26

„… shaft through which the transmission output shaft is guided coaxially. Friction-optimized, oillubricated …” „… in the intermediate shaft bearing on the machine side. In order to achieve friction-optimized …” „… all-wheel drive vehicles. While low internal friction losses are important for both drives, the focus for …”

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive S. II-33-II-48

„… high torque application friction-optimized TRB in combination with a smart preload concept will bring …”

P. Ramet Dedicated hybrid transmissions (DHT) by PUNCH Powerglide – Innovative concepts for optimized DHT in terms of efficiency, cost and packaging S. I-253-I-270

„… perspective a weakness of current power-shift transmissions on the market is the use of multiple friction …”

M. Deiml High speed electric drive system – A solution for the next generation E-cars S. II-49-II-62

„… means less friction heating and lower temperature of gear tooth. Using higher helix angles makes it …” „… distance which in turn leads to less frictional heating and lower gear tooth temperature. Position of …”

L. Wittmann, M. Wein, M. Wolf Consistently quattro S. I-159-I-172

„… friction and other losses. This form of efficiency enhancement has already been successfully put into …”

K. Sabzewari, M. Vieracker, J. Sagstetter Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost efficiency for small and mid-size plug in hybrid vehicle S. I-89-I-102

„… architecture is simplified by removing launch elements, such as friction clutches, the conventional reverse …”

P. Ramminger, R. Jäger Evolution of the drivetrain and high voltage system in the new Corsa-e S. I-173-I-194

„… season due to cabin heating and entire HV system conditioning as well as some other friction and aero …”

D. Evenschor, P. Tenberge, M. Wolkerstorfer Package-optimized configuration of transmission elements for automated design concepts – Design concept generation based on results of transmission synthesis S. I-417-I-434

„… width/inner-radius/outer-radius values (generated by varying the number of friction discs). Fig. 7 shows the sampled tradeoff …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… , friction, leakage) or wear occurring over lifetime. Those influences on the calibration effort strongly …”

doi.org/10.51202/9783181023730

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16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2296 2017

Treffer in den folgenden Teilen:

F. Calabrese, C. Ludwig, M. Bäcker, A. Gallrein Parameter-Identifikation eines thermomechanischen Reifenmodells basierend auf Flachbahn-Messungen S. 57-76

„… friction correc‐ tion(optional) Friction power distribution Rubber thermal capacity …” „… . The sweep is realized for different initial temperatures of the tire reached by the Warm up. Friction – Temperature PAC2002 …” „… in details. 4.1 Limit adherence – Reference conditions and friction-vertical load dependency …”

T. Raste, B. Hartmann, M. Kretschmann Assistance System for Aquaplaning Situations S. 1-20

„… drastic loss of friction between the tires and the road surface. Aquaplaning situations are extremely …” „… . 5c and 5f) the tire slides virtually friction less over the water. In this case, the oscillations …” „… friction drop effect when approaching and during aquaplaning, cf. [9] and [3]. In a first step the …”

H. Zeller, C. Prange, K. Wiese, B. Wies Effizientes Vorhersagetool für Bremseigenschaften von Reifen auf glattem Eis – ein physikalischer Ansatz S. 47-56

„… deformation of the tread pattern is considered according to local friction forces and the resulting loss of …” „… ., Kessel, T.M., Mundl, R. und Wies, B.: An Analytical Thermodynamic Approach to Friction of Rubber on Ice …” „… , T.M., Wiese, K. und Wies, B.: An advanced viscous model for rubber–ice-friction. Tribology …”

M. Selig, M. Meyer, F. Petry, S. Westermann Reifensimulationsmodelle der Zukunft S. 33-46

„… and road surface, but the coefficient of friction is not constant. It depends on following properties …” „… derivatives as well as the road information (height profile, friction etc.). The output of the tire model are …” „… tire response and rubber friction. 5. Parameterization of the models To parameterize the target …”

T. Linke, M. Wangenheim, K. Wiese, B. Wies Ein neuer Laborprüfstand zur Bewertung von einzelnen Reifenprofilklötzen S. 257-270

„… .; Wies, B.: Influence of Friction Heat on Tire Traction on Ice and Snow. Tire Science and Technology 38 …” „… .: Investigation of Friction Mechanisms of Siped Tire Tread Blocks on Snowy and Icy Surfaces. Tire Science and …” „… . 458-462 [8] Altracon: High-speed linear friction testing. Tire Technology International – Dream machines …”

doi.org/10.51202/9783181022962

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LAND.TECHNIK 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2374 2020

Treffer in den folgenden Teilen:

A. Lindenberger, C. Korn Parameter identification for Discrete-Element-Method (DEM) particles of a self-propelled forage harvester (SPFH) chopping sample S. 135-142

„… , Young’s modulus as well as contact describing parameters like coefficient of rolling friction …” „… , restitution, and static friction have to be known. Shape and material parameter like mass and volume can be …” „… mostly not be determined through direct measurements. Friction or coefficient of restitution values of …”

M. Koch, M. Zeuner Modular driveline solutions for a new generation of combine harvesters S. 369-374

„… new driveline has a friction disc clutch as an engagement device, integrated into the power …” „… performance of the current belt (2) to the requested power increase of 27%. Also, the friction clutch has a …”

C. Högemeier, C. Bußmann, R. Middelberg, P.-E. Dziadek Integration of a crop moisture sensor in a combine harvester in order to improve the automatic machine adjustment S. 187-194

„… analysis. With this sensor, the combine harvester is able to control the counter knifes and the friction …” „… achieve a constantly high and steady chopping quality, the counter knives and the friction bar can be …”

M. Pußack, I. Stasewitsch, L. Frerichs Investigations of a cutter bar operated in resonance mode with an electric direct drive S. 151-156

„… process. In order to be able to implement this under field conditions with changing friction and cutting …”

P. Flierl Development of a header-prototype in order to increase combine throughput in grain harvest S. 375-382

„… induces a friction force and ears can be stripped efficiently from the straw. Through the force of …”

A. Roth, C. Puls Development of a 3-speed gearbox in electric powertrain – Ground drive transmission for a commercial vehicle S. 23-30

„… calculates the synchronization speed, which is necessary for an almost frictionless power flow shift in the …”

doi.org/10.51202/9783181023747

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XXXVI. Internationales μ-Symposium – Bremsen-Fachtagung

Ralph Meyer (Hrsg.)

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 806 2017

Treffer in den folgenden Teilen:

Günter Leister Wheel - Brake disk - Wheel hub – Requirements to the Wheel Assembly S. 85-96

„… limiting shifts or limited deformations are exceeded, low coefficients of friction could result in the …” „… friction are higher, on the other hands, micro-oscillations can lead to wear in the region of the head …” „… careful matching of the geometry of wheel screw contact areas to the wheel and the related friction …”

P. Mody, S. Lambert, S. Foots, A. Azaad Light-weight Composite Back-Plates for Brake Pads S. 115-135

„… CVs. The Friction material volume requirements that are necessary to minimize stopping distances …” „… f Prot confi the b Indu the c orde core cont cont britt delam -weight Com 2. Al-C e Friction …” „… , rake pad stry stand omposite r to deter material act. The inued, and le friction ination in posite …”

M. Streitenberger, S. Yigit, J. Wuchatsch Multiphysical Simulation of Brake Fluid Temperature Rise during Mountain Descent S. 97-114

„… from rotor to pad friction surface through several brake parts into the brake fluid reservoir is only …” „… shown in comparison to simulation results for both approaches. 2 Motivation Friction brakes convert …” „… easurem o gain dee ion with t temperat ollows: c Brake: ner ad friction inner inner pad middl late …”

Titelei/Inhaltsverzeichnis S. III-VI

„… . Ralph Mayer John Hudson Präsident μ-Club CEO TMD Friction Group SA ralph.mayer@mb.tu-chemnitz.de …” „… Friction Group SA ralph.mayer@mb.tu-chemnitz.de john.hudson@tmdfriction.com V Inhaltsverzeichnis …”

Michael Pehle Centre of pressure shifting with pneumatically actuated disc brakes S. 136-150

„… increasing wear. The moment MT arises due to the friction of the lining in the carrier, whereby the lining …” „… moments acting on the active brake lining. The moment MS arises due to the frictional force FS …”

Karlheinz H. Bill Laudatio auf Univ.-Prof. em. Dr.-Ing. Bert Breuer S. 1-8

„… (Tyre-Road Friction-Monitoring) . Die hierbei erlangten Erkenntnisse gewinnen mit Blick auf zukünftige …”

Karlheinz H. Bill Laudation for Univ.-Prof. em. Dr.-Ing. Bert Breuer S. 77-84

„… traction in order to improve driving safety (Tyre-Road Friction-Monitoring). The findings gained in this …” „… , frictional connection, brakes, driving dynamics, and new vehicle concepts are named for the numerous …”

doi.org/10.51202/9783186806123

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Algorithmik und KI für moderne Robotterapplikationen – ein Überblick

Christian Brecher (Hrsg.), Werner Herfs (Hrsg.), Oliver Petrovic (Hrsg.), Jörg Krüger, Eckart Uhlmann, Armin Lechler, Alexander Verl, Oliver Riedel

Reihe: Fertigungstechnik

Band 710 2023

Treffer in den folgenden Teilen:

M. Trinh, L. Gründel, O. Petrovic, W. Herfs, C. Brecher Reibungsmodellierung und -kompensation für hochdynamische roboterbasierte Fertigungsprozesse S. 32-42

„… , incorporating effects such as mass inertia and friction. This work focuses on friction modeling of robotic drive …” „… ability to model dynamic nonlinear and position dependent friction effects as well as temperature and load …” „… dependencies of all robot axes. As a result, an application-specific friction identification routine for IR …”

doi.org/10.51202/9783186710024

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Konstruktion

Alle Ausgaben: Konstruktion

Konstruktion Jahrgang 72 (2020) Heft 10 ISSN Online: 0720-5953

Treffer in den folgenden Teilen:

Servicefreundliche Druckluftmotoren S. 28-30

„… denberg-pm.com frictioninserts.freudenbergpm.com Bild 4 Friction Inserts mit Partikeln in der Größe 115 µm und …” „… im Flugzeugrumpf F Ü G E N Versuchsabeitsplatz für Fügeprozesse Ultra dünne und flexible „Friction …” „… systemischer Leichtbaukonzepte Friction Inserts: Neue Lösung für reibschlüssige Verbindungen Freudenberg …”

Titelei/Inhaltsverzeichnis S. 1-9

„… Antriebstechnik 28 Servicefreundliche Druckluftmotoren 30 Produkte Verbindungstechnik 31 Friction Inserts: Neue …” „… 31 IW8 In Schraub- und Presssitzverbindungen übertragen die „Friction Inserts“ bei gleicher …”

doi.org/10.37544/0720-5953-2020-10

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 95 (2005) Heft 9 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

M. F. Zäh, D. Eireiner, G. Völlner, L. Papadakis, S. Roeren Anwendungsorientierte Simulation des FSW* S. 690-693

„… Finite Element Models for the Friction-Stir Welding Process. In: TWI (Hrsg.): Procee dings of the 4th …” „… Si-mulation des Friction Stir Weldings (FSW) sind Gegen-stand der Forschung. Allerdings zielen nur wenige …” „… recent research-projects, the process Friction Stir Welding (FWS) has been modelled. How -ever, the …”

M. F. Zäh, G. Völlner, U. Henneboehle, J. Silvanus, F. Palm Roboterrührreibschweißen – FSW* – Optimierung der 3D-Bearbeitung beim Rührreibschweißen durch Einsatz eines Schwerlastroboters S. 684-689

„… . Völlner, U. Henneboehle, J. Silvanus, F. Palm Inhalt Das Rührreibschweißen (engl.: Friction Stir Welding …” „… D-Bearbeitung von Aluminiumbauteilen zu optimieren. Robotic Friction Stir Welding – Application of a 6-axis …” „… articulated arm robot for Friction Stir Welding (FSW) Abstract Friction Stir Welding allows the joining of …”

doi.org/10.37544/1436-4980-2005-9

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Systematic Derivation of Objective Requirements on Vehicle Steering System

Martin Ralf Münster

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 819 2023

Treffer in den folgenden Teilen:

Appendix 1 S. 205-224

„… LEN_Lr_Freib_c Friction Stiffness [Nm/rad] 5.669 299.96LEN_Lr_Freib_ub max. Static Friction [Nm] 0.019 1.898 …” „… ShaftLEN_Zw_Freib_c Friction Stiffness [Nm/rad] 38.01 46.998LEN_Zw_Freib_ub max. Static Friction [Nm] 32.31e-3 39.48e …” „… -3Ball-Nut-GearBNG.friction.torque max. Static Friction [Nm] 0.011 0.99BNG.friction …”

Subsystem Analysis of the Steering S. 63-92

„… [m]Figure 4.10: Different shapes of hysteresis friction-force over displacement.Figure 4.10 exemplifies …” „… different shapes of the hysteresis friction-force over displacement,modeled with Eq. (4.64), where the …” „… factors such as friction,damping, geometrical tolerances and functional properties.However, except for a …”

Bibliography S. 195-204

„… ] Awrejcewicz, J. and Olejnik, P. “Analysis of Dynamic Systems With Various FrictionLaws”. In: Applied Mechanics …” „… ., Canudas-de-Wit, C., Gäfvert, M., and Lischinsky, P. “FrictionModels and Friction Compensation”. In: European …” „… ] Specker, T., Buchholz, M., and Dietmayer, K. “A New Approach of Dynamic FrictionModelling for Simulation …”

Requirement-Based Module Design Using Solution Spaces S. 153-188

„… of static friction, hysteretic friction,where the physical meaning of these parameters is explained …” „… 9.43Rack.friction.mue Rack/Yoke Friction-Coefficient [-]0.007 0.2 0.015 0.141Defining the Design …” „… , stiffness, damping or friction characteristics.In which multiple ways all of these involved quantities are …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… (Friction)i Belongs to component iimb Imbalanceims Intermediate shaftl Leftm Measurementmax Maximummf Mesh …” „… / Slip angleβ Friction stiffness∆ Relative displacementδ Steering-wheel angle / Partial valueη Efficiency …” „… Intensityµ Friction coefficientIXX NomenclatureΩ Angular velocityω Angular frequencyΦ Combined, coupled phase …”

Introduction S. 1-12

„… system configuration are only feasible within practical limits (thinkof “zero friction” or “zero mass …” „… . Dependingon the current road friction, the vehicle speed and the lateral dynamics of the maneuver …” „… to the so-called “steering feel” [46]. The immediate sensation of roadcharacteristics and friction …”

Resulting Subsystem Requirements S. 123-152

„… driving. In fact, the nonlinearity is owing to mechanical friction at themoving parts inside the steering …” „… sketched in Fig. 4.6 in Sec. 4.2:• The main contribution to friction comes from parts of the servo-drive …” „… irritate the driver, there are many frictionalsources at an Electric Power Steering. Some of them are …”

Deriving Requirements on Subsystem Level S. 35-62

„… discs, such as thicknessdefects, non-homogeneous friction conditions, misalignment or permanent …” „… biggest challenges regarding steering designtypically concern rather the servo-drive and frictional …”

doi.org/10.51202/9783186819123

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Kupplungen und Kupplungssysteme in Antrieben 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2309 2017

Treffer in den folgenden Teilen:

U. Stockinger, H. Pflaum, K. Stahl Zeiteffiziente Methodik zur Ermittlung des Reibungsverhaltens nasslaufender Lamellenkupplungen mit Carbon-Reibbelag S. 147-158

„… Reibungsverhalten beschrieben. Abstract The tribological system friction lining, lubricant and load conditions …” „… determines the friction behaviour of wet multiple disk clutches. Due to numerous influencing parameters and …” „… their interactions, the friction behaviour cannot be predicted theoretically. Matching friction lining …”

G. J. Meingaßner, H. Pflaum, K. Stahl Reibungsverhalten nasslaufender Lamellenkupplungen am Übergang Haftreibung – Gleitreibung S. 159-172

„… : „Frictional properties of automatic transmission fluids: Part II - Origins of Friction-Sliding Speed Behavior …” „… automatic transmission fluids: Part I - Measurement of friction-sliding speed behavior“, Tribology …” „… Friction Behavior of Wet Multi-Plate Disk Clutches at the Transition from Static to Dynamic Friction …”

K. Völkel, F. Wohlleber, H. Pflaum, K. Stahl Kühlverhalten nasslaufender Lamellenkupplungen in neuen Anwendungen S. 215-226

„… multi-disk clutches, beside optimization of friction lining and lubricants, new groove arrangements are …” „… household. Thus, insight into the thermal behavior is crucial not only in the friction phase but also in …” „… friction and the cooling phase of the load spectrum is determined for various clutch sizes, friction …”

F. Markowsky Echtzeit-Analyse des Trennverhaltens von Lamellenkupplungen – Einfluss auf die Systemfunktion und dessen Reproduzierbarkeit S. 125-134

„… wet running friction systems has set itself the goal of presenting the interaction of the …” „… . In addition to the in the industry already established high performance friction test rigs, Miba has …” „… the exact position of wet running friction lamellas in real time is explained. In particular …”

C. Schlösser, F. Kohlmann, M. Fister Verteilung der Flächenpressung im Reibspalt – Vorstellung und Anwendung eines neuen Messverfahrens für nasslaufende Anfahrkupplungen S. 241-258

„… processes in the tribological friction gap decisively determine the operating behavior of a wet running …” „… multi-disc clutch. The measurement of such operating variables allows a detailed view of the friction …” „… operating parameters, such as surface pressure and friction surface temperature, determine the system …”

A. Albers, S. Ott, M. Basiewicz, N. Schepanski, T. Klotz Methode zur Ermittlung der zulässigen thermomechanischen Beanspruchbarkeit trockenlaufender Friktionspaarungen S. 49-64

„… requirements for the friction und wear properties of the friction linings in clutches and brakes. With the …” „… permanent rise of the thermal and mechanical load on the friction pairing investigations on the performance …” „… friction parings with organic friction linings. The test device, the design of experiments, the …”

P. Echtler, M. Mileti, A. Damm TorqueLINE – Konische Kupplung mit Formschluss als alternatives Schaltelement für Automatikgetriebe S. 23-36

„… multi-disk clutches for certain applications. As an alternative, a solution made of a conical friction …” „… number of friction surfaces to be significantly reduced, while maintaining comparable dynamic friction …” „… possible to use an overlapping design of frictional engagement and form fit. This combines power shifting …”

H. Wintersperger, M. Fister, C. Spieker, B. Bartholmai Schnellschaltende Kupplung zur Reduzierung von Reibverlusten während des Synchronisationsvorgangs S. 173-182

„… . Abstract In the slipping process of friction automotive dry clutches high losses occur. A new concept …” „… friction losses. In this article, the concept of the so-called “mechanical buck converter” is presented, as …”

G. Schäfer, R. Schmelter Reibung im Längenausgleich von Kreuzgelenkwellen S. 273-276

„… Reibung im Längenausgleich von Kreuzgelenkwellen Friction in the length compensation of cardan …”

F. Frietsch, B. Wolf Hydraulische Betätigungssysteme für nass laufende Kupplungen – Vorhandene Potentiale nutzen S. 205-214

„… ] BEARINX-online Easy Friction, Berechnungstool, Schaeffler, https://bearinx-onlineeasy-friction …”

K.-L. Kimmig, R. Kolling, W. Dilger Innovative Lösungen zur Vermeidung von „Rupfschwingungen“ bei automatisierten Trockenkupplungen S. 345-358

„… . Kolling, Schaeffler Friction Products GmbH, Morbach Abstract A strong upward trend of automated …”

P. Mall, A. Krüger, A. Fidlin Automatisierte Schwingungsdämpferkonzipierung für Sportwagen in frühen Entwicklungsphasen S. 417-430

„… : Springer-Verlag 2014 [8] Fidlin, A. u. Mall, Ph.: On the effect of the distributed friction in the arc spring on …”

S. Ott, M. Basiewicz Schwingungsreduzierung durch das Kupplungssystem im gezielten Schlupfbetrieb S. 465-480

„… , H.: Improved anti-shudder performance of ATFs - Influence of a new friction modifier and surface …”

doi.org/10.51202/9783181023099

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Schraubenverbindungen 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2403 2022

Treffer in den folgenden Teilen:

A. Dawood, M. Merten Chancen und Grenzen eines hybriden Schraubverfahrens – Statusbericht S. 35-46

„… the threads and the bearing surface are the relevant contacts for typically dry friction. Depending on …” „… vibrations is a promising approach. A reduction of friction during assembly can consequently reduce the …” „… Schraubmontage. Dresden, 2022 [2] Teidelt, E.: Oscillating contacts. Friction induced motion and control of …”

T. Kretschmer, A. Wettstein, O. Liewerenz, T. Gwosch, S. Matthiesen Ein selbstlernender Tangential-Schlagschrauber-Regelalgorithmus zur Reduktion der Vorspannkraftstreuung S. 461-468

„… ., Kretschmer, T. u. Matthiesen, S.: Investigation of dynamic friction during impact tightening of bolted joints …”

N. Klügel, A. Lohrengel Berechnung von stirnseitigen Mehrschraubenverbindungen am Beispiel eines dynamisch beanspruchten Freilaufs S. 209-222

„… friction. The decrease of the transmittable torque depends on the geometric design of the free-wheel clutch …” „… freewheel clutches to the adjacent flange. The frictional torque transmission inside the freewheel clutch …”

F. Hohmann Einflussfaktoren auf das präzise Vorspannen von großen Schraubenverbindungen ab M30 S. 331-354

„… the angle-controlled tightening and the load-controlled stretch method (hydraulic frictionless and …” „… min during hydraulic frictionless and torsion-free tightening and angle-con-trolled tightening. When …”

doi.org/10.51202/9783181024034

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Drivetrain for Vehicles 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2313 2017

Treffer in den folgenden Teilen:

A. Weidler, H. Beitler, S. Lassi, U. Keller Clutch protection function- Clutch design one size smaller!? S. 71-72

„… misuse. 1.2. Friction coefficient with temperature dependence and dispersion If the released thermal …” „… energy induces excessive temperatures on the contact surfaces of the pressure plate/friction lining and …” „… flywheel/friction lining (see Fig. 1), the friction coefficient on the contact surfaces (see Fig. 2) is reduced so …”

I. Greifer, W. Leska Reducing CO2 emissions by way of injection lubrication on manual gearboxes MLxx2 S. 67-68

„… gears and 1 reverse gear Synchronisation 1st gear: 3x; carbon friction lining (2x), molybdenum (1x …” „… ) 2nd gear: 2x; carbon friction lining 3rd/4th gear: 1x outer cone; carbon friction lining …” „… 5th/6th gear: 1x outer cone; molybdenum friction lining Reverse gear: 1x outer cone; molybdenum …”

F. Roos, O. Flärdh The next generation active prediction based powertrain control strategies- Utilizing the vehicle's kinetic energy as energy storage S. 107-108

„… losses (the last ¼ of the total energy consumption): engine friction, drivetrain friction and braking …” „… Resistance Air Resistance Engine Friction Drivetrain Friction Braking Auxiliaries VDI-Berichte Nr. 2313 …”

M. Bhai, X. Shan Design of a hybrid mode and shift coordinator [hmsc] for the central control software of a range extender powertrain S. 137-138

„… possible to replace all friction clutches or synchronizers with dog clutches. For this project, the …” „… shifting elements, instead of the friction elements (e.g. friction clutch or synchronizer ring), and are …”

U. Reichert, A. Albers, K. Wolter, T. Pinner, S. Ott A new approach for the investigation of synchronizations by different shifting characteristics S. 65-66

„… are decisively dependent on the shifting time, the differential speed and the friction torque. The …” „… , inter alia, on the conduct of the shifting process, on the friction geometry, on the surface roughness …” „… of the friction partners and on the production tolerances. Using a simulation model, different …”

M. Bahne, U. Frey CO2 potentials of DCTS - competition benchmark and technology outlook S. 5-6

„… are being made in areas like friction and splash losses etc., to some extent also thanks to …”

N. lkeda Development of a new torque converter clutch control using Engine-CVT harmonized control S. 63-64

„… development of the new TCC control. Introduction of Jatco CVT8 The Jatco CVT8 features low friction and …”

C. Danzer, J. Liebold, E. Schreiterer, J. Mueller Modular low-cost powertrain platform for HEV and EV S. 19-20

„… enables seamless shifting with only one friction based clutch. With this platform powertrain units can be …”

C. Wirth, A. Garcia AT or DCT? MCT – The best of both worlds! Synthesis and functionalities of multi-clutch transmissions S. 9-10

„… transmissions, also known as dual-clutch transmissions (DCT) normally consist of two multi-disc friction …”

A. Tissot, T. Bosse, D. Heße Analytical process and KLT generation based on a Manual transmission dry clutch system S. 35-36

„… design parameters such as coefficient of friction, fading, lining wear and temperature behaviour …”

doi.org/10.51202/9783181023136

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Experimental testing and numerical simulation of granules as crash absorber for double hull structures

Christian Woitzik

Reihe: Mechanik/Bruchmechanik

Band 356 2021

Treffer in den folgenden Teilen:

Determination of bulk particle properties S. 40-63

„… investigate the interaction of the granules with the surrounding structure. This mainly results in friction …” „… Triaxial test Friction test Tensile test Selection of granules Initial material parameters Uniaxial …” „… hypoplastic material model. This can be seen in Figure A.3 in the Appendix. 4.3 Friction test After …”

Introduction S. 1-5

„… determined. This includes material parameters for steel plates and friction coefficients for different …” „… material pairings. It is of particular importance to determine the friction coefficients for the granules …” „… , using a modified friction test. With all these tasks, it is possible to model and simulate a collision …”

Constitutive equations and numerical implementation S. 6-23

„… particle shape. Often the angle of response is taken as the angle of internal friction ϕ. This friction …” „… friction angle can be derived from an analogy: Assuming a solid material block resting on an inclined …” „… is the normal force and ϕ is the angle of friction. This can be expressed as a yield condition: f …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… . . . . . . . . . . . . . . . . . . . . . . . . . . 43 4.2.3 Numerical simulation . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4.3 Friction …” „… , triaxial test, and friction test are performed. This test data is used to calibrate and validate the …”

Conclusions and Outlook S. 113-115

„… friction tests were performed. For the latter, an experimental setup was developed. These tests revealed …”

Numerical investigation S. 88-112

„… simulations. It can handle non-linearities due to material models, rupture, and friction, and the small time …” „… tangential direction, based on the friction coefficients given in Section 4.3. To reduce the computational …” „… box. For the friction between the steel and the granules, the values from Table 4.4 are chosen. For …”

Selection of granules and description of single grains S. 24-39

„… interaction between the indenter and steel parts, a contact model based on the mortar method with friction is …” „… more load is distributed to neighbouring particles and to frictional contact with the aluminium …”

Bibliography S. 119-136

„… determine young’s modulus, poisson’s ratio and the coulomb friction coefficient, International Journal of …” „… Cohesive-frictional Materials 4 (5) (1999) 461–486. doi:10.1002/(SICI)1099-1484(199909)4:5<461:: AID-CFM71>3.0.CO;2-P …” „… materials with a predefined limit state surface, Mechanics of Cohesive-frictional Materials 1 (3) (1996) 251 …”

doi.org/10.51202/9783186356185

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 110 (2020) Heft 01-02 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

Cornelia Tepper, Christian Baier, Matthias Weigold Robotergestützte hybride Fertigung mittels Reibauftragschweißen/Robot-based hybrid production by friction surfacing. Basic research with aluminum and titanium S. 7-11

„… metallografisch untersucht. Robot-based hybrid production by friction surfacing. Basic research with aluminum …” „… structures for aircraft construction. Friction surfacing offers the possibility of applying material with …” „… applied to a titanium substrate in single and multiple layers using the friction surfacing process …”

Michael Raab, Christoph Birenbaum, Michael Stroka Schwingungsüberlagerte Kreissägewerkzeuge/Ultrasonic-assisted circular sawing S. 45-49

„… .; Wallaschek, J.: Reduction of friction using piezoelectrically excited ultrasonic vibrations. Proceedings …”

doi.org/10.37544/1436-4980-2020-01-02

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 113 (2023) Heft 05 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

Valentin Kamm, Patrick Mesmer, Armin Lechler, Alexander Verl Prozessmodellierung für das Rührreibschweißen/Process modeling of friction stir welding – Semi-analytical process model of robotic friction stir welding S. 183-188

„… Polycarbonat vorgestellt.Process modeling of friction stir welding – Semi-analytical process model of robotic …” „… friction stir weldingFriction stir welding is a modern joining process that is parti-cularly interesting …” „… the plunging phase in robotic friction stir welding of polycarbonate. 1 EinleitungIm Gegensatz zu …”

doi.org/10.37544/1436-4980-2023-05

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