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VDI Wissensforum GmbH - Schwingungen 2021

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VDI Wissensforum GmbH (Hrsg.)

Schwingungen 2021

Reihe: VDI-Berichte

Band 2391 2021

Treffer in den folgenden Teilen:

A. Baumann Schwingungsverhalten von Zahnradgetrieben – Vibration behavior of gear transmissions S. 285-302

„… deviation corresponds to fluctuations which the driven wheel executes around the constant rotation. The …” „… 1/2 Radius of pitch circle driving/driven wheel ra1/2 Radius of addendum/outside circle …” „… driving/driven wheel SN Solvent neutral, solvent refined oil v Rolling speed in contact area vg Sliding …”

doi.org/10.51202/9783181023914

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VDI Wissensforum GmbH (Hrsg.)

Autoreg 2019

Reihe: VDI-Berichte

Band 2349 2019

Treffer in den folgenden Teilen:

K. Figel, F. Svaricek, M. Schultalbers Review and experimental evaluation of models for drivability simulation with focus on tire modeling Short Version S. 293-312

„… inertia is reduced to the inertia of the driven wheels. The resistances are distributed to their physical …” „… S. Müller, “Characterising the interaction of individual-wheel drives with traction by linear …” „… parameter-varying model: a method for analysing the role of traction in torsional vibrations in wheel drives and …”

Y. Jia, U. Schwarz, D. Görges Energy-Optimal Adaptive Cruise Control based on Model Predictive Control in the Real Driving Emissions Test Cycle S. 145-158

„… engine (ICE) cannot be perfectly represented by a single quadratic function [8]. One contribution of …” „… and act on the wheels, are denoted as and separately. The total driving resistance force that …” „… acceleration , wheel rolling resistance coefficient and the road gradient . represents the road gradient …”

E. Enders, F. Fent, M. Lienkamp, G. Burkhard, D. Schramm Objectification Methods for Ride Comfort – Comparison of Conventional Methods and Proposal of a new Method for Automated Driving Conditions S. 323-352

„… participants drove and were driven around country roads in a BMW 135i (F20). The inattentive occupants had to …” „… Tesla Auto Pilot in 2014, other manufacturers were forced to offer more advanced driver assistant …” „… the first cars which have the possibility to drive fully autonomous in certain scenarios. A lot of …”

T. Raste, P. Lauer Bewegungssteuerung fur ein Robo-Taxi mit Symmetrie in Antrieb und Lenkung S. 129-144

„… . 62-66 [9] Orend, R.: Modelling and Control of a Vehicle with Single-Wheel Chassis Actuators. In: Proc …” „… , accidents, air pollution and parking shortages in cities. The CUbE has an electric drive and electric …” „… driving maneuvers possible that are not possible with conventional single-axle steering, such as lane …”

J. Schucker, T. Kohlmann, U. Konigorski A Complete Concept for Combined Longitudinal and Lateral Trajectory Planning for Automated Driving on Highways S. 259-270

„… applied to a point mass model. The control signals are the steering wheel angle δc and the driving force …” „… actuator dynamics is simplified so that the full model becomes a single integrator chain of order three …” „… maximum velocity is the minimum of the desired speed of the driver and the road speed limit. The optimal …”

doi.org/10.51202/9783181023495

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2019

Reihe: VDI-Berichte

Band 2355 2019

Treffer in den folgenden Teilen:

W. Wagner, S. Schumann, B. Schlecht Co-simulation of the tooth contact of bevel gears within a multibody simulation S. 217-228

„… spherical section of the driver, the point of maximum penetration between the pairing wheels’ surfaces is …” „… stages in multi-body-systems. 1 Introduction Gear drives of various power classes are used in the …” „… drive trains of machines and vehicles. Depending on the torque to be transmitted and the gear geometry …”

M. Heider, B. Pinnekamp, A. Beinstingel Planetary gears: modes, noise and modifications application and validation of simulation and experiment S. 57-68

„… single and double tooth contact along the path of contact. Especially for spur gears, two indicators for …” „… deflection between pinion and wheel under load, ignoring mass acceleration forces and describing the …” „… ) represents the mesh force when rolling pinion and wheel together at constant input and output speed as …”

K. Daubach, Manuel Oehler, Bernd Sauer A method to determine local wear of worm gears with highly resolved circumferential backlash curves S. 595-606

„… backlash increase to wear on a single worm wheel tooth. This paper discusses the interpretation of …” „… worm wheel and represents the number of tooth engagements for a single worm wheel tooth. The reference …” „… allows to monitor wear locally for each single teeth of the worm wheel during operation and has high …”

F. Andary, G. Jacobs, J. Berroth Application of pre-calculated gear mesh stiffness on elastic gear bodies in multi-body simulation S. 1087-1098

„… mechanical drive trains, and hence, an accurate representation of the complex interactions between gears has …” „… contact in the system. Instead, the surface contact is pre-calculated for single gear stages in discrete …” „… single tooth. The first set of models is used for the calculation of a three-dimensional stiffness grid …”

X. Yang, N. Yue, Q. Yang, L. Wang, Y. Shao, H. Xiong Dynamic simulation for double input compound power-split mechanism of in-wheel motor driven EVs S. 481-492

„… Dynamic Simulation for Double Input Compound Power-split Mechanism of In-wheel Motor Driven …” „… , Chongqing, China Abstract In-wheel motor (IWM) can achieve the wheel direct drive which is the direction …” „… In-Wheel Electric Hub Drives. 2017 NDIA GVSETS, Novi, Michigan. 2017 [6] Michael S., Frank R., et al …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… , DriveConcepts GmbH, Dresden VDI-Berichte Nr. 2355, 2019 203 consequent use of the digital twin on the example of …” „… problems of tooth contact. DriveConcepts GmbH, 2019 [6] MDESIGN gearbox 2020, design and calculation …” „… software for multi-stage gearboxes. DriveConcepts GmbH, 2019 [7] MDESIGN LVR 2020, software for load …”

J. Ahn, C. H. Choi, J. H. Yu, S. C. Kim A study of dynamic behavior of tractor pto driveline to analyze a rattle noise S. 461-470

„… direct-engine PTO driveline, and it makes collisions between the driving and driven gears. This gear collision …” „… hand, in a driveline with single-spring type dampers, the response becomes greater around the resonant …” „… noise because most PTO drive systems connect with engine directly. When the engine is under idling …”

C. M. Illenberger, T. Tobie, K. Stahl Flank load carrying capacity of oil-lubricated high performance plastic gears – Analysis of the pitting development in back-to-back tests S. 1379-1390

„… contact stress in the tooth root flank area of the driven plastic wheel during posterior meshing. As a …” „… damages appear in the area of single tooth contact in the dedendum flank area of the driven plastic gear …” „… maximum flank pressure is present in the area of single tooth contact. However, the large deformations of …”

J. Zhang, J. Wang Dynamic modeling and analysis of a star-wheel reducer S. 741-752

„… Dynamic Modeling and Analysis of a Star-wheel Reducer Prof. J. Zhang, J. Wang, School of …” „… Mechanical Engineering and Automation, Fuzhou University, China Abstract The star-wheel reducer has …” „… characteristics of the star-wheel reducer. The results showed that the first 6 orders modal frequencies are in …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… pinion One single wheel is mounted in this configuration and it is thus possible to employ analytical …” „… single gear. This rather surprising observation can be explained as follows. One wheel turning creates a …” „… far, the majority of the experiments and models deal with WPL evaluation for one single rotating …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… Automated requirements-driven design synthesis of gearboxes with graph-based design languages …” „… implementation, as well as the lack of advantages with only a single break in the entire process chain. Another …” „… gearboxes and drive trains. Also for the other machine elements in gearboxes such as shafts and bearings …”

H. Wang, X. Wen, C. Zhou, Z. Liu Wear prediction for double helical gears grinded by forming method S. 315-330

„… adjacent points in contact is achieved by a modified single point observation method. The Archard’s wear …” „… parameters (grinding wheel tangential speed, work piece feed speed, grinding depth) on wear depth of the …” „… grinding wheel tangential speed and grinding depth, but decreases with feed speed of work piece. Keywords …”

J. Pellkofer, M. Hein, K. Stahl, T. Reimann, M. Hombauer New calculation method of the micropitting load carrying capacity of bevel and hypoid gears S. 517-528

„… micro-Hertzian stress distribution. This results in temporally changing pressure in one single point on the …” „… probability of a break out of single segments of the tooth flank. The phenomenon micropitting generally …” „… arrangement, the electrical drive unit only feeds the power losses induced by the components of the hypoid …”

H.-J. Dennig, S. Monn, A. Vodermayer Thermoplastic high performance composite gears S. 1279-1290

„… gears (GP) made of composite plate materials. The wheels produced in the CFM process have very good …” „… most widely used plastics for gear wheels, accounting for more than 85% . They have proven to be …” „… and POM are currently the most widely used plastics for gear wheels, accounting for more than 85 …”

K. Landet, J. Perret-Liaudet, E. Rigaud, J. Y. Guerder, M. Fraces Experimental study of railway gearbox whining noise S. 79-90

„… pair characteristics of the studied gearbox Drive pinion Output wheel Number of teeth (Z) 27 103 …” „… fitted with two identical single-stage helical gearboxes. Gear microgeometry has been optimized in order …” „… with cardan joints. A 180 kW electric power motor drives the mirror output gear (from 0 to 1130 rpm …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… layout process. 1. Introduction The layout of gear drives is a challenging process. Lifetime, noise …” „… boxes in single-unit or in small batches, costs can be reduced if existing tools such as hobs or shaper …” „… 2.2. Use of available Dresser / Threaded grinding wheel combinations Another efficient manufacturing …”

S. Detzel, Y. S. Krieger, M. F. Traeger, T. C. Lueth Design of gear surface models for 3D-printing of plastic gears S. 1401-1410

„… fabricated in such a way are suitable for single-use applications, making them a candidate for …” „… deman. Furthermore, the reduced cost of the manufacturing makes a single-use concept commercially …” „… optimally used in the fabrication of these gear types to produce application-specific drives. These can …”

S.-J. Tsai, VDI, L. C. Chang, C.-H. Huang A study on tooth profile modification of cycloid planetary gear drive with tooth number difference of two S. 997-1010

„… A study on tooth profile modification of cycloid planetary gear drive with tooth number difference …” „… determine exactly contact points and kinematic characteristics of drives. A developed LTCA approach based …” „… reducers, so-called RV-type drives with an involute and a cycloid planetary gear stage are widely applied …”

M. Chapron, Q. Theurillat-Bonjour Tooth contact analysis of non-circular gears with non-involute tooth profiles: Application to horological spur gears S. 925-936

„… profiles along with non-circular gear drives for the generation of several functions. Mundo et al …” „… wheel composed of a non-circular gear to reduce acceleration jumps. The presence of gears with …” „… detection and associated properties The problem of contact detection between a pinion and a wheel is …”

D. V. Kalinin, J. Y. Temis Influence of tooth profile modification on planetary gear sets dynamic S. 777-784

„… aviation engine drives. The effect of tooth profile modification on the dynamic stresses in the system, as …” „… aviation transmissions and drives continues to be relevant to develop modern aircraft engines. Its levels …” „… largely determine the noise and vibrations in the drive as well as the durability of the gears and other …”

M. Solf, C. Lopenhaus, T. Bergs Influence of elastic effects on the grinding force in plunging bevel gear grinding S. 1687-1696

„… . Abstract Due to rising requirements concerning efficiency and noise excitation of gear drives, hard …” „… ]. In plunging bevel gear grinding, a permanent, full-surface contact between the grinding wheel and the …” „… reason, an eccentric movement is superimposed on the grinding wheel rotation in order to interrupt the …”

F. Eigner, R. Michel, M. Berger Analysis on the efficiency of HypoGear S. 127-136

„… more powerful drive solutions are required. In this context, the load capacity, size, efficiency and …” „… outstanding acoustic properties are the main criteria of a drive. Due to the requirements for torque and …” „… speed, small drives are often equipped with a reduction gear. The HypoGear is designed to meet these …”

B. Karpuschewski Detection of surface damages by non-destructive micromagnetic methods S. 1027-1038

„… grinding burn levels were defined and further analyzed to evaluate single effects and interactions on the …” „… , 2019 1027 1. Introduction High loaded components used for drive train applications are mostly hard …” „… e.V.” (FVA), the most relevant research association for drive technology furthermore investigated the …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… . Introduction Gear wheels are among the oldest mechanical engineering elements in the world [1]. However, even …” „… increases and CO2 emissions rise in the area of fuel-based drive systems, which is offset by restrictive …” „… sector of gear drives. Besides lowering emissions in fuel-powered vehicles, the focus is increasingly …”

H. Linke, R. Hess Tooth root bending capacity – An analysis of stress and strength S. 949-958

„… . Depending where the contact takes place on the line of action and whether the gear is driving or driven the …” „… stress distribution of the driving and driven gear with exactly the same gear geometry (Table 1). The …” „… the tensile stress in the root fillet when the force acts at the outer point of single tooth contact …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… reduced pollutant limits for vehicle fleets require new approaches in drive technology. Electric-powered …” „… conditions of a single microcontact. The average pressure can also be determined by Popov [8] z is the …” „… . The rotational movement of the servo drive is converted into a translational movement of the rack [2 …”

J. Neufond, E. Rigaud, J. Perret-Liaudet, A. Carbonelli Influence of tooth profile modifications on the dynamic behavior of a planetary gear set – Experimental investigation and numerical validation for different amplitudes of tooth profile modifications S. 765-776

„… wheel bodies, shafts and bearings [5]. VDI-Berichte Nr. 2355, 2019 765 Housing vibratory state is …” „… Figure 1) which is mainly composed of two electric motors: one which drives the input speed and the …” „… standard/clockwise case is mainly driven by the two first harmonics when the four first harmonics contribute to the …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sanchez Load sharing model for high contact ratio spur gears with long profile modifications S. 985-996

„… the driven tooth tip, which induces noise, vibrations and dynamic load. To avoid these undesirable …” „… effects profile modifications are often used, which through a suitable tip relief at the driven tooth …” „… the actual and theoretical positions of the driven gear, for a given position of the driving gear [1 …”

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… the load level and other parameters of a gear drive [1]. The mechanical properties of meshing …” „… example of the geometry and transmission ratio is taken from a planetary gear drive (Fig. 1). Planetary …” „… measures also increase the size of the transmission drive, which is not always acceptable. An alternative …”

R. Slatter Condition monitoring of gearboxes using magnetoresistive sensors S. 229-244

„… recognized by precisely measuring shaft rotational speed, motor current or by directly scanning gear wheels …” „… ferromagnetic machine elements, for example a gear wheel or a bearing ring, as the target for the sensor. This …” „… magnetic flux is distorted by a ferromagnetic toothed structure, typically a gear wheel or part of another …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (Hrsg.)

AgEng LAND.TECHNIK 2022

Reihe: VDI-Berichte

Band 2406 2022

Treffer in den folgenden Teilen:

V. Ernst, J. Schwehn, N. Ebertshauser, S. Böttinger Investigations on the rolling resistance of tractor tires using coast down tests S. 581-588

„… wheel load. Single vehicles and vehicle-implement-combinations can be tested. For this purpose, during a …” „… all-wheel drive clutch was activated and the wheels were driven over a drive shaft mounted on the wheel …” „… afterwards. The vehicle is speeded-up to its speed limit. Then, the drive-train is interrupted in order to …”

O. Lagnelöv, G. Larsson, A. Larsolle, P.-A. Hansson Electric tractors – Sustainable and Profitable? Economic and environmental impact of autonomy and electric drivelines in agriculture S. 189-196

„… current machine systems. Switching to electric drives in agricultural machinery have historically been …” „… uncompetitive due to low energy carrying capacity and frequent refuelling. Autonomous drive have been cited as a …” „… categories and one weighted single score was presented by weighing 18 different impact categories of which …”

R. R. Shamshiri, C. Weltzien, I. Zytoon, B. Sakal Evaluation of Laser and Infrared Sensors with CANBUS Communication for Collision Avoidance of a Mobile Robot S. 121-130

„… and six multi-array infrared distance detection sensors for collision avoidance of a four-wheel …” „… reported. To evaluate the functionality of the sensing system, the robot was driven manually at 8km/h …” „… CANBUS line. A sniffer node with RTC clock logged all raw data and summarized them into one single …”

doi.org/10.51202/9783181024065

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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VDI Wissensforum GmbH (Hrsg.)

LAND.TECHNIK 2020

Reihe: VDI-Berichte

Band 2374 2020

Treffer in den folgenden Teilen:

R. Schmetz, R. Hartanto Soil protection and energy savings through efficient energy supply to machines for primary and secondary soil tillage S. 83-92

„… required by the attached implements through the wheel-soil interaction of all driven wheels (sometimes …” „… the internal combustion engine and on the output side in the wheel-soil contacts of the driven wheels …” „… wheel-soil contact of the driven wheels under the impact of the weight forces and the contact conditions …”

F. Uptmoor, B. Niemöller Automation methods in computational frame development – Standards in FEA modelling and evaluation allow a high degree of automation in virtual strength verification processes S. 309-314

„… mass cross of a single sheet metal part [1]. Right: Full inertia equivalent model of a self-propelled …” „… combination. Since every single component – down to each single washer – is considered, a full mass inertia …” „… hitch point, wheel contact point) as shown in fig. 2. A series of specific force vectors (3-component …”

S. Pretsch, M. Rothbart Sustainable Agriculture in an Electrified World – Cradle-to-Grave evaluation of different propulsion systems S. 1-8

„… is not comparable to operating times of diesel driven vehicles. In tank to wheel analysis, battery …” „… emission legislation is focused on tank to wheel. In the long term an extension of the legislation to well …” „… to wheel and later to cradle to grave is expected. The legislative change will come in the passenger …”

M. Nadlinger, J. Karner Investigation of tractor-trailer brake-systems S. 329-334

„… ]: • Vehicle manufacturers shall not fit single-line braking devices to new vehicles after 2020. The …” „… of on-board initiated information, instead of a manual activation by the driver. • Electronically …” „… wheels. The thrust forces were rather constant until the vehicles stopped (Fig. 3). Fig. 3: Old …”

S. Tanner Experience gained in developing Autonomous Robots using AI and spot spraying to weed open field crops S. 213-222

„… differential steering, two front (fixed) driving wheels were sufficient to move and turn. A single camera …” „… uneven fields (due to 2 drive wheels over 4), and the variability of uncontrolled illumination causing …” „… steering wheels configurations, obstacle clearance capability, autonomous navigation, faculty to perform …”

M. Hengst, T. Herlitzius, S. Pantke, P. Zirker Tool management, controlling and condition detection for highly automated/autonomous soil cultivation S. 73-82

„… as a chassis with two single wheels. The third installation space is located at the top of the …” „… wheels or the attached roller, there are no possibilities to adjust the working depth during operation …” „… determined by the tractor, the support wheels and/or the mounted roller [7] and typically cannot be changed …”

H. Wanta, M. Holovac, S. Lorenz, J. Krzywinski Evaluation of Human-Machine Interactions with Autonomous Agricultural Systems through Cyber-physical Prototypes S. 245-266

„… such systems, the operator’s task range expands from just controlling a single machine towards …” „… and rotation of the wheels as well as the sign of the status through lighting. Status light …” „… a new generation through play. The inclusion of users, especially in highly technology-driven …”

doi.org/10.51202/9783181023747

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