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VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2019

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VDI Wissensforum GmbH (Hrsg.)

LAND.TECHNIK AgEng 2019

Reihe: VDI-Berichte

Band 2361 2019

Treffer in den folgenden Teilen:

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 …” „… (joystick, steering wheel, mini-wheel). However, most of the challenges is how to design a safe system. For …” „… products together with redundant wheel angle sensors to support any electro-hydraulic steering design. The …”

S. Liljenberg, M. Frederiksen, T. H. Langer Methods to evaluate steering performance of agricultural tractors S. 29-34

„… design engineers on front axle and steering system design, but also poses a challenge on how to test and …” „… technical inventions and improved designs of steering system and axle design. Introduction Despite …” „… the design engineers on front axle and steering system design, but also poses a challenge on how to …”

J. Philipp Behra Development of increased tire diameters and the effects on axles and drive trains of a combine harvester S. 553-560

„… integrated into the design of the axle carrier for non-driven steering axles. For 4WD steering axles the …” „… to evaluate the design space and the influence of different suspensions and steering geometries. One …” „… : Front axle design Due to the higher diameter, the wheel hub was not only designed for the higher load …”

X. Tian, A. Vacca, S. Fiorati, F. Pintore An Analysis of the Energy Consumption in the High-Pressure System of an Agricultural Tractor through Modeling and Experiment S. 9-18

„… agreement between simulation and experimental results is satisfactory for all the tests. design variables …” „… high-pressure hydraulic system that powers the steering, and the hydraulic remotes. This paper describes the …” „… paper, details are provided on the original approach used to model the steering priority valve. The …”

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

„… and creating a set of design requirements to achieve them. Key focus points were to deliver on the …” „… Steering Authority Operational Ride Comfort Versatility With these objectives in mind, the journey …” „… clay soils. Key design focus was given to maintaining uniform track to soil contact pressure by …”

Titelei/Inhaltsverzeichnis

„… design challenges of electro-hydraulic steering systems – What really happened …” „… Engineering, RWTH Aachen University, Aachen Methods to evaluate steering performance of agricultural tractors …” „… . Peitsmeyer, Bucher Hydraulics, Klettgau f Field Robotics Design and Development of an Autonomous Mower for …”

R. Schildroth Design and Development of an Autonomous Mower for Agricultural Use S. 153-158

„… Design and Development of an Autonomous Mower for Agricultural Use Rhett Schildroth, Redshield …” „… run the Redshield Consulting autonomous vehicle control software. Certain mower designs currently …” „… on the market have a mechanical design that could be adapted for autonomous control. For example …”

B. Oskarsson, E. Westergaard, T. H. Langer Optimization of tractor front loader for improved design freedom and increased operability S. 427-432

„… Optimization of tractor front loader for improved design freedom and increased operability …” „… . The new features not alone offer a potential improvement of existing loader designs; Some of the …” „… features can address some of the current design constraints of the loader. This paper gives an overview of …”

M. Ehrl, G. Happich Advanced On-board Electronics Architecture with Automotive Ethernet S. 107-112

„… entire set of newly designed components. Fig. 2 shows the final network design with four layers …” „… . This paper describes the design and implementation of the advanced electronics architecture for …” „… premium platform vehicles in AGCO. In the network design phase, a sum of design goals and boundary …”

M. Sax, R. Latsch, T. Anken, V. Moser, P. Krummenacher Automated site-specific overseeding of grassland S. 165-228

„… Key Element in the Development of a novel LiDAR based Combine Harvester Steering System Jannik …” „… development and test of a novel LiDAR based combine harvester steering system using a harvest scenario and …” „… system level in Gazebo and ROS. A software-in-the-loop simulation of the mechatronic steering system was …”

S. Pfaffmann, F. de Moraes Boos, N. Tarasinski, V. Kegel Swarm Unit – Development of a Fully Electric Agricultural Machine with External Power Supply S. 401-408

„… . In this context there is a paradigm shift for the design of the agricultural work machine by having …” „… single axle Traction Unit connected through a novel interface with an included articulated steering …” „… first one is to act as an articulated steering system and the second one is to adjust the leveling of …”

A. Lajunen Development of a tire-soil interaction model for agricultural tractors S. 47-56

„… platform-independent, opensource design [12]. In a larger context, the aim is to create a virtual simulation …” „… of the chassis model. The front axle has steering system and a freely oscillating axle with end …” „… includes a driver model that actuates the throttle, braking and steering based on a predefined mission …”

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

„… Engineering Design and Industrial Design University of Stuttgart; Ingmar Stöhr, elobau GmbH & Co. KG …” „… , carrying and operating implements [1]. According to this definition, the design of a tractor allows it to …” „… traction management and/or the steering system or it could also be the hydraulic foldout/folding-in of an …”

P. Munch Predictive Feed-Rate Control for Combine Harvesters S. 545-552

„… , crop conditions, and agronomic conditions. Operator assistant systems like automatic steering and …” „… feedback remains necessary for robust control. The described predictive feed-rate control system design …” „… control performance which is similar to an online controller design and supports a simple operator …”

C. Campanella, K. Huber, G. Monacelli, L. Ungaretti, M. D’Orazio, G. Scotto di vetta, M. Peruzzini, F. Grandi Ergonomic and compact armrest of agricultural tractors – Innovative methods to design an ergonomic armrest S. 243-252

„… Ergonomic and compact armrest of agricultural tractors Innovative methods to design an ergonomic …” „… . The results of this study could be used for other tractors controls layout design, so that human …” „… , such as steering, looking forward and backward, controlling the vehicle’s dashboard, using clutch …”

D. Bosenberg, W. Strothmann, C. Halbrugge, H. Korte Approach for increasing automation progress in root crop harvesting S. 439-446

„… art, e.g. load dependent separator speed control, auto-steering-solutions or bunker filling …” „… process-level is necessary. To decouple machine settings from the operator’s process knowledge, the design of …” „… detailed description and modelling of the process knowledge. The goal is to design a description format …”

T. Herlitzius, H. Fichtl, A. Grosa, M. Henke, M. Hengst Feldschwarm – Modular and Scalable Tillage Systems with Shared Autonomy S. 409-420

„… technology will face, has profound implications on the future design and functionality of tractor …” „… : Modular concept of the autonomous, self-propelled Feldschwarm unit and its design similarities to a …” „… : rollers 2 x 20 kW, combination of tine and rotary harrow 60 kW. Hydraulics: 20 l max. 180 bar steering …”

G. L. Andersen, T. Kuennen CULTI CAM HD - Efficient Weed Control in Row Crops using Active Implement Steering and Stereo Camera S. 455-462

„… System The CULTI CAM system is designed for steering of implements operating in row structures or other …” „… CULTI CAM HD - Efficient Weed Control in Row Crops using Active Implement Steering and Stereo …” „… paper presents a stereo camera based steering system for active steered implements. The CULTI CAM …”

C. Weltzien, R. R. Shamshiri SunBot: Autonomous Nursing Assistant for Emission-Free Berry Production, General Concepts and Framework S. 463-470

„… (steering, speed, brake, machine condition information) using CAN-BUS (proprietary protocol) and for data …” „… kinematics, minimum distance calculation module, visual servo control, Ackerman steering, path following …” „… Ackerman steering was created. In addition, a simulation orchard with scaled planting system and random …”

J. G. Wiecha, H. Bernhardt, T. Bogel, T. Herlitzius Reducing draft force on mounted implements by an electrified traction roller – Traction assistance on a slurry-injecting grubber S. 495-502

„… steering software on a laptop is carried within the drivers cabin on the tractor. The steering software is …” „… the second tractor. Materials and methods The slurry-injecting grubber is designed as shown in …”

doi.org/10.51202/9783181023617

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

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 819 2023

Treffer in den folgenden Teilen:

Introduction S. 1-12

„… poor steering design,it was in particular the Chevrolet Corvair being claimed to be “unsafe at any …” „… with EPS steering systems, see Fig. 1.1.This work deals with the design and assessment of vehicle …” „… , how to derive such requirements for steering design basedon vehicle targets is outlined in [87 …”

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

„… Steering-Module DesignThe effective dynamics of any steering system which is currently under design can be …” „… Requirement-Based Module Design Using Solution SpacesDetailed Steering ModelInitial DesignSteeringVirtual …” „… set of multiple steering designs.The identification of Solution Spaces for a chosen subset of relevant …”

Titelei/Inhaltsverzeichnis

„… DesignSystematic Derivation of ObjectiveRequirements on Vehicle Steering SystemUsing Methods of …” „… . . . . . . . . . . . . . . . . . . . 217A.7 DoE Input Table for the Steering Design-Study . . . . . . . . . . . . . . . . . 219A.8 DoE …” „… – Vehicle Steering – Vehicle Design – Steering Design – Front Axle, – BMW AG – Steering Vibration – Robust …”

Resulting Subsystem Requirements S. 123-152

„… from Sec. 3.3.1.Obviously, the combined front axle and steering designs do not fully comply with …” „… A122 , therefore the steering designer may neglect thesefrequency ranges.Target Achievement by …” „… regarding rack travel and rack forceas well as basic steering design parameters such as the rack-and-pinion …”

Conclusion S. 189-194

„… vehicle design atthe example of disturbing steering vibration. In the following, the key findings are …” „… vibration. Moreover, in case of thefront axle, other design goals which correlate the most with steering …” „… with higher accuracy. Thus, on the one hand the designspace is expanded for the designer and, on the …”

Deriving Requirements on Subsystem Level S. 35-62

„… steering design must be available before its dynamic propertiescan be fully assessed. For some design …” „… functions A11G and A12G areobviously design-relevant, if vehicle targets (expressed by v3, F3) relating to …” „… biggest challenges regarding steering designtypically concern rather the servo-drive and frictional …”

Bibliography S. 195-204

„… Steering DesignUsing Solution Spaces for Decoupled Dynamical Subsystems”. In: Proceedings of …” „… Bibliography[1] Adams, F. J. “Power Steering ’Road Feel’”. In: SAE Technical Paper 830998 (1983).[2 …” „… Reviews 58.6 (2005), pp. 389–411.[5] Badawy, A. A., Bolourchi, F., and Gaut, S. K. “The Design and …”

Subsystem Analysis of the Steering S. 63-92

„… steering→ helps to assess design modifications of prototypes.3. Experimental analysis on purpose-built test …” „… guidance to therefinement of front-axle designs.→ At this stage, all functional criteria the steering has …” „… the steering design has beenfinished. Therefore, numerical or statistical models are useful in early …”

Subsystem Analysis of the Front Axle S. 93-122

„… wheels to steering rack.Figure 5.12 on the facing page compares the design model (CAD) and the …” „… rack. In other words, the analysis does not have to berepeated if the designated steering is modified …” „… , Fig. 5.20 on the next page exemplarily shows design-relevantcoefficients A111 and A121 of the front …”

Appendix 1 S. 205-224

„… composition of front axle and steering dynamics [84].A.7 DoE Input Table for the Steering Design-Study 219A.7 …” „… DoE Input Table for the Steering Design-StudyTable A.4 lists all the parameters with their lower and …” „… .4: Set of input parameters for the DoE-study regarding robust steering design.PARAMETER DESCRIPTION …”

Substructuring the Vehicle Steering S. 13-34

„… 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 …” „… Design ModulesMODULE LevelSpecifyDecouplingVerifyVEHICLE LevelCouplingSUBSYSTEM LevelTesting …”

doi.org/10.51202/9783186819123

Gerd Schröter - Bremslenkmomentoptimierte Kurvenbremsung von Motorrädern

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Gerd Schröter

Bremslenkmomentoptimierte Kurvenbremsung von Motorrädern

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 801 2017

Treffer in den folgenden Teilen:

Titelei/Inhaltsverzeichnis

„… , ¤ 95,00/VDI-Mitgliederpreis ¤ 85,50. Keywords: Motorcycle – Safety – Corner Braking – Chassis Design …” „… Avoidance Mechanism (BSTAM), a chassis design that eliminates the BST through lateral inclination of the …” „… kinematic steering axis. A simple mathematical model is used to identify its main influences on the driving …”

Implementing BSTAM in a Motorcycle S. 125-156

„… distance is shrinking for front suspension compression. For BSTAM designs with laterally inclined steering …” „… / steering system in series production in 1993. However, the original design principle was already found in …” „… inclined steering axis for steering movements makes it hard to integrate into a new frame design. 4.1.4 …”

Discussion and Outlook S. 206-220

„… forgotten when designing a chassis or tire. Especially tire design is typically a compromise (for instance …” „… countermeasures range from rider training and road design to technical measures on the vehicle (cf. chapter 2.3 …” „… ). Besides BSTAM, a counter steering actuator, Cornering Adaptive Brake Force Distribution (CA-BFD …”

Introduction and Aims S. 1-10

„… (e.g. by increasing the roll angle through a determined steering impulse (cf. chapter 2.1) and …” „… Motorcycle, Part 2, p. 83, Part 4, pp. 133-136 20 Among others, cf. Cossalter et al. (2010): Steering …” „… scrub radius (a) as lever arm and causes a misaligning (that is: turning the steering to the inside of …”

Analytic Considerations on the Kinematic Layout and Effectiveness of BSTAM S. 71-124

„… components from the steering (cf. chapter 3.3.5). 3.5 Conclusions on Optimal BSTAM Design The front tire …” „… design that allows to keep CoGst close to the instantaneous center of steering axis inclination, such as …” „… and tire reaction moments as well as inertial effects on the steering system. For a well designed …”

The BST Chain of Effects and State of the Art Countermeasures S. 11-70

„… . 25 See mainly: Cossalter et al. (2010): Steering Torque Decomposition, Cossalter (2006): Motorcycle …” „… parameters of a motorcycle with standard chassis, using a telescopic fork as front suspension / steering …” „… telescopic fork front suspension / steering system. Dimensions indicated for the rear tire apply analogously …”

Driving Tests S. 157-205

„… effectiveness of BSTAM in comparison to the baseline with centered steering axis through experimental testing …” „… design and evaluation criteria are defined and the prototype motorcycle (cf. chapter 4), is comparatively …” „… tested with baseline and BSTAM steering geometry. Measurements and subjective impressions on the riding …”

Bibliography S. 256-262

„… .; Peretto, M.: Motorcycle Steering Torque Decomposition. In: Proceedings of the World Congress on …” „… , eur-lex.europa.eu, last access: 2014-04-30 Evangelou, S.; Limebeer, D. J. N.; Sharp, R. S.; Smith, M. C.: Steering …” „… Design, The Art and Science. Tony Foale Dynamics, 2002, ISBN 84-933286-3-4. Foale – virtual …”

Appendix S. 221-255

„… BSTAM in opposing directions on the steering system and vehicle frame r Radius (equal to half the …” „… number of teeth) of the respective gears USHB, LSHB Upper and Lower Steering Head Bearing PGS, LPGC …” „… Gear Figure A.1: Force flow of BSTAM, illustrating the coupling of excenter forces towards steering …”

Student Research Work S. 265-268

„… a Motorcycle Simulation Model. Studienarbeit 197 No. 982/08, 2009 Schröder, Timm: Design and …” „… for the Prediction of Steering Torque in PTW with Brake Steer Torque Avoidance Mechanism …” „… . Advanced Design Project No. 39/12, 2012 197 At TU …”

doi.org/10.51202/9783186801128

VDI - Rethinking the circular economy for plastics

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VDI (Hrsg.)

Rethinking the circular economy for plastics

Reihe: Blaue Papiere

Band 05/2023 2023

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Field of Action 3 Creating regulatory incentives for a circular plastics economy S. 35-52

„… circumstances and used for a specific purpose. The possible designs of market-based steering instruments …” „… are many ways in which market-based steering instruments can be designed. Basically, this type of …” „… changes in product design.Regulatory criteriaimportant benchmark for evaluating this type of quota is the …”

Recommended actions S. 57-59

„… emissions.Designing products consistently for the cycle through a holistic design approachThe path to a circular …” „… regard to further tasks, e.g., policy advice on steering instruments (cf. Field of Action 3), joint …” „… the right should be addressed by various regulatory and market-based steering instru-ments.The …”

Titelei/Inhaltsverzeichnis

„… Conclusions of the evaluation of the steering instruments 51Field of Action 4 53Designing products for a …” „… Creating regulatory incentives for a circular plastics economy Steering instruments 36 Criteria for the …” „… discussion of steering instruments 37 Opportunities and challenges of the steering instruments 40 …”

Introduction S. 1-7

„… and packaging design. However, awareness of the problem has not yet been matched by adequate progress …” „… high longevity. Although these technological limits can be overcome by changes in product design …” „… view of steering instruments that enables the transformation of the entire system.Approach of the …”

Field of Action 2 Making closing the loop the task of all stakeholders S. 14-34

„… , OEMs/users will also remain hesitant to develop new, more sustainable product designs.Conclusions …” „… design:Product design, which is primarily conceived by manufacturers, also plays an overriding and significant …” „… where mechanical recycling reaches its limits despite far-reaching design for circularity.Further …”

doi.org/10.51202/9783949971402

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (Hrsg.)

Dritev – Drivetrain For Vehicles 2018

Reihe: VDI-Berichte

Band 2328 2018

Treffer in den folgenden Teilen:

J.-E. Moseberg, J. Kohlhoff, S. Hekeler Electric all-wheel drive: enhancing vehicle dynamics and driving safety by wheel-individual torque distribution – How to make use of the over-actuation of electrified vehicles

„… the conventional steering input plus four wheelindividual drive torques. Therefore, secondary design …” „… conventional front-axis steering, the feedforward control structure for the design of the desired vehicle …” „… and Balance. Hereby, the steering gain design is used to realize high maneuverability at low …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions

„… rapid transformation. All modules (e.g. steering, acceleration pedal, brake pedal, Parking brake …” „… pure mechanical interface. This interface is next to the steering wheel the most driver actuated …” „… e.g. customer clinic and clutch pedal development. This paper will introduce the mechanical design of …”

E. Schnur, S. Krieger, M. Brenninger Development of a CVT transaxle with differential steering for a tracked tractor around 300 kW

„… Development of a CVT Transaxle with Differential Steering for a Tracked Tractor around 300 kW …” „… tractor design of Challenger in a new product that fit the highest demand on efficiency and versatility …” „… differential steering was integrated in the TA300T drive line. The development effort was reduced to a minimum …”

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

„… , steering wheel angle and throttle position. By using one electrical motor for both functions, the system …” „… compared to high voltage designs. The output from a motor-generator is approximately 3kW when adjusted for …” „… torque between the two wheels depending on vehicle signals including yaw rate, wheel speeds, steering …”

R. Stehr, A. Götz, M. Ciesek, S. Köpfler, M. Finsterbusch, R. Willeke Future Schaeffler CVT concepts with an innovative actuation system

„… steering. Even wet running motors in the oil chamber are feasible in brushless design and commonly used …” „… . 5 Actuator Design Exemplarily, an EC actuator motor was designed for both EPAs using the actuator …” „… . On the basis of an exemplary design, this article presents a power-on-demand concept with two …”

J.-M. Veith, B. Krüger, A. Albers, M. Behrendt Torque prediction in vehicle drive trains based on bus signals using artificial neural networks

„… design [1], there is still enough potential regarding sensing quality and the robustness of the sensors …” „… Nr. 2328, 2018 419 the steering angle and the third component can be used for detecting acceleration …” „… are designed to learn dynamic behaviour incorporated in time sequences using appropriate structures …”

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

„… development targets will be discussed and the gearbox design proposed. Detailed explanation of the gear …” „… generally small design package and light weight and high overall system efficiency should also be …” „… Modular Gearbox Design Approach The design approach of the eTwinsterX is shown in Fig. 2 and follows …”

L. Dedeleit, M. Ayeb, L. Brabetz Short circuit calculation of permanent magnet synchronous machines with comsol multiphysics

„… calculation, reaching up to 40%. The design of the machine according to these calculated currents would …” „… overestimated so that, depending on the design, the dysprosium content in the magnet is set much higher than …” „… that unnecessary safety tolerances in the design of the magnets are avoided and necessary proportion …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX)

„… schematic layout of the gear set and the final hardware design of the DE-REX transmission are shown in Fig …” „… almost equal as well. Fig. 1: Schematic layout of the DE-REX gear set Fig. 2: Hardware design …” „… via the shift paddles or buttons on the steering wheel as well as it allows reading the vehicle …”

K. Bennewitz, A. Mann Powertrain electrification exemplified by the VW Golf

„… faced by already integrating this option into the fundamental design of the modular transverse matrix …” „… , usability and design. The e-Golf appeared 2014 as the first proof-of-concept for the electrification of …” „… design based on a parallel hybrid topology. In this concept, an EA211 1,4l TSI engine is combined with a …”

R. Savelsberg, P. Griefnow, G. Birmes, A. Sehr Advanced powertrain functions of 48 V hybrid vehicles – Efficient powertrains does not exclude driving pleasure

„… heater Vacuum pump e-Clutch ABS/ESP Electrical power steering iBooster Engine cooling fan Windshield …” „… assist by belt-driven starter generators (BSG). FEV Europe GmbH has designed a full-featured 48 V mild …”

doi.org/10.51202/9783181023280

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