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Martin Ralf Münster - Systematic Derivation of Objective Requirements on Vehicle Steering System

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Martin Ralf Münster

Systematic Derivation of Objective Requirements on Vehicle Steering System

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 819 2023

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Introduction S. 1-12

„… . A more general expression is “steering vibration”, whereby the vibrationsare classified by their …” „… comfort and safety perception. Abovea certain level, mechanical vibrations at the steering wheel are …” „… theintroduction of the radial tire in the 1970s, this kind of self-excited steering vibration, whichis also known …”

Deriving Requirements on Subsystem Level S. 35-62

„… partsaddressed in this Chapter 3.3.1 Defining Vehicle Targets Regarding Steering VibrationAt the level of the …” „… Substructuring Methods Applied to Steering VibrationAs vehicle targets are now formulated in the form of FRFs …” „… physicallyinterpreted as the resistance to steering vibration:v3F1∣∣∣∣F3=0= (A12G )−1. (3.61)In the particular case of a …”

Resulting Subsystem Requirements S. 123-152

„… steering vibration-level depends on that nonlinear behavior as well, which mustbe considered if we aim for …” „… from Eq. (6.1), the corresponding steering-wheel vibration-level a3, caused by givenwheel force F1, may …” „… , predicted steering vibration-level a3 (top graph) and vehicleimpedance A12G (bottom graph) compared to …”

Bibliography S. 195-204

„… , K. J., and Jung, S. G. “Experimental Analysis of the Vibrations of CarBody and Steering Wheel System …” „… , E. A., and de Klerk, D. “A Robust Transfer PathAnalysis Method for Steering Gear Vibrations on a …” „… ElectricalEngineering, University of Applied Sciences Esslingen.Tchai, Jeffrey “Vibration Analysis of a Steering System …”

Conclusion S. 189-194

„… While this work focused on the disturbing steering vibration,the proposed method should be applied …” „… vehicle design atthe example of disturbing steering vibration. In the following, the key findings are …” „… assembling and disassembling respectively.At the example of vehicle targets to steering vibration …”

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

„… variables xiValid rangesx1x2x3x4x5Upper boundLower boundSet of Vehicle TargetsSteering VibrationComponent …” „… suspension CVs are identified as vibration-relevant. On the one hand, itmust be realized that the steering …” „… to be closely associated with steering vibration.Sensitivity of Key Design-Parameters Related to …”

Titelei/Inhaltsverzeichnis

„… – Vehicle Steering – Vehicle Design – Steering Design – Front Axle, – BMW AG – Steering Vibration – Robust …” „… Vibration . . . . . . . . . . . . . 353.1.1 Steering Vibration Limit for Steady-State Driving …” „… . . . . . . . . . . . 363.1.2 Steering Vibration Limit under Braking . . . . . . . . . . . . . . . . . 383.2 Substructuring …”

Subsystem Analysis of the Steering S. 63-92

„… transfer matrix participate in deriving requirements in terms of steering vibration.For instance, the …” „… by extensive steering-wheel vibration.The denominator of the undampened transfer functions given by …” „… and A222 thosewho are relevant for subsystem requirements in terms of steering vibration. This means …”

Subsystem Analysis of the Front Axle S. 93-122

„… vibration-phenomena with such a model. Though, the steeringlinkage from the wheel carrier to the steering rack is …” „… the model regardless of whether they contribute to steering vibration or not.As a result …” „… with steering vibrations ornot, can be determined by comparing such small models with the complete …”

Substructuring the Vehicle Steering S. 13-34

„… involved subsystems, is applicable tothe problem of steering vibration.2.3 Frequency Based Substructuring …” „… Chapter 2Substructuring the Vehicle SteeringThis chapter is about defining the boundaries of the …” „… deliveryof the steering suppliers. Especially at the front axle, the subsystem boundaries have to befurther …”

Appendix 1 S. 205-224

„… test-rig. As discussed in Sec. 5.4, the roller test-rig allows the virtual analysisof steering vibration …” „… steering vibration analysis, the user maychoose three different modes for the excitation mechanism and he …” „… represent a realized configuration.Regarding the simplified steering model introduced by Fig. 4.2 in Sec …”

doi.org/10.51202/9783186819123

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2020

Series: VDI-Berichte

Volume 2374 2020

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S. Cazzaniga, M. Zecchi, R. Marella, T. Beavers How to improve operator comfort in a tractor with low noise gear pump technology S. 335-344

„… steering column. Fig. 7: Comparison of tri-axial accelerometer measurements of vibration between a …” „… steering is an appreciable source of noise: after the diesel engine and the cooling system fan drive, a low …” „… production model with a low noise gear pump using dual-contact flank technology for steering function. The …”

D. Cook, J. Viramontes ROS2 for Autonomous Agriculture Applications S. 103-130

„… are applied in drivetrain functions (steering and propulsion), as well in a wide variety of implement …” „… processing platforms that are made to survive high vibration, wide temperature, dusty and wet, and …” „… vibration, sealed for dust and water ingress, electrical mobile machine conditions). It features the NVIDIA …”

doi.org/10.51202/9783181023747

VDI Wissensforum GmbH - Fahrzeugsicherheit 2022

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VDI Wissensforum GmbH (ed.)

Fahrzeugsicherheit 2022

Series: VDI-Berichte

Volume 2387 2022

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L. Diwischek Warnstrategien für automatisiertes Fahren aus einer nutzerzentrierten Perspektive S. 395-406

„… Unterschiede sind beim TOR zwischen MSB und Vibra-tion Steering Wheel höher als bei der FCW (vgl. dazu …” „… Vibration Trans-ducers for Vibrotactile Forward Collision Warnings in the Steering Wheel“, 2021. [15] W …” „… zweites die Lightbar ohne Vibration, als drittes Vibrationsaktuatoren am Lenkrad und Light-bar, und als …”

S. Dienert Flexible integration of airbag weakening lines in interieur components S. 59-68

„… activated. The driver airbag is located in the steering wheel and covered by a driver airbag cover which …” „… out without contact between a tool and the work piece, there are no vibrations and no friction in the …” „… automation (level 3 & 4) will not necessarily need a human driver but a steering wheel still need to be …”

doi.org/10.51202/9783181023877

Arian Wolfien - Untersuchungen zum Beanspruchungsverhalten von Zahnstangengetrieben in PKW-Lenksystemen

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Arian Wolfien

Untersuchungen zum Beanspruchungsverhalten von Zahnstangengetrieben in PKW-Lenksystemen

Series: Konstruktionstechnik/Maschinenelemente

Volume 442 2018

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Anhang J: Werkstoffzusammensetzung der Prüfverzahnungen S. 168-180

„… [ALEX07] Alexandru, P.: The rack-pinion gears for steering gear box with variable transmission ratio …” „… [AVED03] Andersson, A./ Vedmar L .: A dynamic model to determine vibrations in involute helical gears …” „… / Journal of Sounds and Vibrations/ 260 (2003) 170 Literaturverzeichnis [BAXT01] Baxter, J.; Wou …”

doi.org/10.51202/9783186442017

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2019

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK AgEng 2019

Series: VDI-Berichte

Volume 2361 2019

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J. L‘Heureux Four-Tracked Solution for Large Row Crop Tractors S. 305-310

„… Steering Authority Operational Ride Comfort Versatility With these objectives in mind, the journey …” „… to the steering axle being favourably oriented to pull the vehicle in the desired direction of …” „… that generally is struggling to maintain grip. This will be illustrated in greater depth in “Steering …”

T. Rudolph, T. Langer, P. Bolton Overcoming design challenges of electro-hydraulic steering systems – What really happened! S. 489-494

„… Overcoming design challenges of electro-hydraulic steering systems What really happened! Tom …” „… Solutions, Ames IA, USA Abstract Electro-hydraulic steering solutions on agricultural machinery offers …” „… farming philosophy and not at least it reduces the human effort during long work hours. Variable steering …”

M. Piechnick Multi-domain simulation of agricultural system solutions S. 281-288

„… example, it is possible to analyse the vibration behaviour of a mechanical component with a modal …” „… . Additional to time domain simulations, several analyses in frequency domain has been performed (vibration …” „… automatic steering. The steering was required, because otherwise the tractor loses the track while crossing …”

T. Schempp, A. Kaufmann, I. Stohr A Field Tested Adaptive User-Interface – New Ways to Operate Tractors S. 235-242

„… vibrations during operation frequently. Fig. 1: The 14 operating scenarios recorded and analyzed in …” „… traction management and/or the steering system or it could also be the hydraulic foldout/folding-in of an …”

doi.org/10.51202/9783181023617

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