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VDI Wissensforum GmbH (ed.)

Autoreg 2019

Series: VDI-Berichte

Volume 2349 2019

Results in this title

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

„… . and the parameter estimation method is described. The validation criteria are introduced in section 5 …” „… Parameter estimation A main objective of this research is to investigate the role of the tire on …” „… . 4.2 Parameter estimation method The objective of this work is to compare the most popular models in …”

D. Augustin, J. Schucker, J. Tschirner, M. Hofmann, U. Konigorski A Simulation-Based Reinforcement Learning Approach for Long-Term Maneuver Planning in Highway Traffic Scenarios S. 47-60

„… ’Krauss’ and ’SL2015’ for longitudinal and lateral guidance, while varying their parameters with …” „… probability of maneuver execution Pr(mκ) is calculated as the normalized product of intention estimation Pr(Iκ …” „… intention estimation Pr(Iκ) expresses the driver’s goal-oriented choice of maneuver, while the trajectory …”

J. Ultsch, J. Brembeck, R. de Castro Learning-Based Path Following Control for an Over-Actuated Robotic Vehicle S. 25-46

„… . The parameters for the -slip characteristics of the used tyre model are obtained from real world test …” „… frequency of 15 Hz) and the maximum actuator rate is limited by 60 ° , ∈ 1, … ,4 . All vehicle parameters …” „… wide range of hyper parameters. In reinforcement leaning, parameters like the number of time steps …”

M. Oeljeklaus, N. Stannartz, M. Schmidt, F. Hoffmann, T. Bertram Fahrzeugdetektion mit stationaren Kameras zur automatischen Verkehrsuberwachung S. 61-76

„… ] Titterington, D.M.: Recursive parameter estimation using incomplete data. Journal of the Royal Statistical …” „… das Netzwerk viele Parameter besitzt. Dies wirkt sich wiederum nachteilig auf die Berechnungsdauer aus …” „… Vektor repräsentiert die geschätzten vier Parameter der Bounding Box eines Ankers im Bild und …”

A. Schwab, J. Lunze Kooperative Steuerung vernetzter Fahrzeuge S. 353-366

„… stabilisiert wird. Eine mögliche Realisierung des Reglers (13) ist der I-Regler (20) dessen Parameter so …” „… beim Entwurf liegt darin, die Parameter und so zu wählen, dass der geschlossene Kreis asymptotisch …” „… Polynom der Ordnung (37) erfüllen. Um Kollisionsvermeidung zu garantieren, müssen die Parameter so …”

A. Noll, R. Schwarz, D. Reitze, K. Riedl Intelligentes Fahrwerk – Datenquelle Cloud S. 221-232

„… [22]. Eine Erweiterung mit standortabhängigen -Parameter, mit dessen Hilfe eine lokale Charakteristik …” „… Indexierung des -Parameters. Das exemplarische Ergebnisse eines DBSCAN’s bzw. ML-DBSCAN’s ist in Bild 5 links …” „… . ; Lu, J. ; Filev, D. P. ; Bai, Y. : Road Disturbance Estimation and Cloud-Aided Comfort-Based Route …”

F. Hundertmark, M. Grotjahn Automated design of structured gain-scheduling oil pressure controllers by modern synthesis methods S. 403-416

„… zwei Freiheitsgraden optimale Parameter. Zur Lösung des Optimierungsproblems werden für verschiedene …” „… optimization algorithm finds optimal parameters for a given linear controller structure with a fixed order and …” „… [2] [4] [5] [3]. Order reduction can be applied to the controllers. Finding parameters for controller …”

D. Augustin, M. Hofmann, U. Konigorski Prediction of Highway Lane Changes Based on Prototype Trajectories S. 111-128

„… surrounding traffic. All these tasks are non-deterministic and uncertainties in maneuver and motion estimation …” „… generated based on the current vehicle state, the road parameters, and the detected maneuver. Another …” „… provided in Chapter 3. In the estimation stage, which is covered in Section 4, we buffer the latest states …”

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

„… lean body mass, but no definite trends were found for stature related parameters such as sitting …” „… . One approach is to use lumped parameter models and identify them with the help of seat-to-head …” „… order as the subjective ratings, but lacks an estimation for the subjective rating. The method is also …”

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

„… beliebige Sollbewegung denkbar, die auf ein lineares parameter-variables System führt. Für die Synthese von …” „… Management and State Estimation for the Robotic Electric Vehicle ROboMObil . Dissertation, Technische …”

doi.org/10.51202/9783181023495

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2023

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK AgEng 2023

Series: VDI-Berichte

Volume 2427 2023

Results in this title

F. C. Eichhorn, J. Becker Efficient and Reliable Employment of Stereo Cameras in Precision Agriculture S. 333-340

„… corresponding pixel on the second image and incorporating the camera parameters, the real-world distance to the …” „… transformer network for stereo depth estimation with task-specific optimization regarding the network size and …” „… agriculture while preserving finer details. Introduction and Related Work Stereo depth estimation is a …”

A. Tamrakar, M. Roberge Grain Handling Simulations in Combine Harvester – Simulation Development, Validation and Optimization S. 395-402

„… fine-tuning these parameters through simulations, they can optimize the system for maximum productivity and …” „… . Proper calibration involves adjusting particle properties and contact parameters to match real-world …” „… while simulating grain pile formation, low clearance grain flows and grain damage estimations. Fig. 3 …”

T. Blume, L. Neumann Self-supervised learning for an agriculture driver assistant system S. 471-476

„… image plane by a camera lens. This model depends on various parameters, such as focal length, distortion …” „… . These parameters are determined by a calibration process that uses images of a known calibration object …” „… pose estimation and mapping for UAVs. In: 2016 IEEE International Conference on Robotics and Automation …”

M. Mattetti, L. Angelucci The development of a reference working cycles for agricultural tractors S. 15-20

„… cycles for agricultural machinery and this study aims to provide a methodology for its estimation …” „… domain. This may lead to incorrect values of engine-related parameters such as specific fuel consumption …”

R. Gralfs, C. Struve, P. Schade Grain kernel size for yield deviation analysis – Utilizing machine learning to increase yield documentation insights S. 327-332

„… estimation of the kernel weight during harvest is possible by analyzing image data of the harvested and …” „… eventually document various parameters of the processed material. This can include high resolution cameras …”

S. Bosse, J. Magnusson, E. L. Wisotzky, A. Hilsmann, P. Eisert, E. Gassen, M. Reichardt, A. Stein, J. Heil, M. Hussaini Platform-Based and AI-Enabled Farming to Foster Agricultural Ecosystems S. 441-454

„… of process and phenological parameters in outdoor agriculture [24]. The use of AI in agriculture …” „… create a digital twin of the trees, which enables temporal modeling and growth estimation as a planning …” „… sub-plot specific monitoring requires time series of biophysical parameters with high geometric (< 30 m2 …”

Titelei/Inhaltsverzeichnis

„… . Meltebrink, SICK AG, Waldkirch Tractors And TiresTractive effort prediction based on dynamic soil parameters …” „… Harvesting MachinesApp based chop quality estimation for silage maize harvest quality optimization 321S …”

doi.org/10.51202/9783181024270

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2020

Series: VDI-Berichte

Volume 2374 2020

Results in this title

P. Riegler-Nurscher, J. Prankl, M. Vincze, H. Prankl A review on plant and soil properties estimation using ground-based computer vision techniques in the visible spectrum S. 353-360

„… between the estimation of the plant and soil parameters leads to the estimation of the soil cover with …” „… A review on plant and soil properties estimation using ground-based computer vision techniques in …” „… , Wieselburg Abstract The estimation of plant and soil properties is the basis for sustainable …”

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

„… amplitude for operation is specified, taking into account the geometric parameters of the blades and shear …” „… parameters are adjusted via online optimization. Furthermore, the natural frequency of the system is …” „… determined by means of recursive least square estimation and the reference value input is adjusted. In a …”

Titelei/Inhaltsverzeichnis

„… Forage Harvesting Parameter identification for Discrete-Element-Method (DEM) particles of a …” „… soil properties estimation using ground-based computer vision techniques in the visible spectrum …”

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

„… functions and features needed in robotics, such as localization, pose estimation, mapping, navigation, and …” „… policy that defines the data transport behavior. It specifies communication parameters that define …”

doi.org/10.51202/9783181023747

Gerald Sequeira - Prediction based activation of vehicle safety systems – A contribution to improve occupant safety by validation of pre-crash information and crash severity plus restraint strategy prediction

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Gerald Sequeira

Prediction based activation of vehicle safety systems – A contribution to improve occupant safety by validation of pre-crash information and crash severity plus restraint strategy prediction

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 817 2022

Results in this title

State of the Art S. 8-25

„… crash parameters inthe near-field (about 2 to 10 meters), just before the crash. The estimation inthe …” „… trajectory planning and crash param-eter estimation. The basic requirement for geometry estimation is the …” „… ) for a rough estimation of geometrical param-eters of the vehicle, it is not suitable for pre-crash …”

Opponent-object Geometry: Simplification and Estimation S. 54-87

„… Chapter 4Opponent-object Geometry:Simplification and EstimationAbstractA novel methodology for …” „… Geometry: Simplification and EstimationTable 4.1: Simplified two-dimensional geometrical representation of …” „… EstimationFigure4.1 …”

Conclusion S. 123-125

„… estimatedcrash parameters (velocity of ego-vehicle and opponent, angular orientation, theposition of initial …” „… validating the estimated crash parameters by comparing the pre-diction with the positions of the contact …” „… points measured by the validation sensor.By feeding the estimated crash parameters as inputs to the …”

Introduction S. 1-7

„… then passed on to the inevitabil-ity model and crash parameter estimation, which anticipates the motion …” „… estimationmodule is to estimate the object parameters such as geometry, velocity, angleof approach and position …” „… comparison parameters mentioned above) does not match with its steer-ing input, ESC detects a probable loss …”

References S. 126-162

„… of pas-sive safety actuators by forward-looking crash parameter estimation,’ incrash.tech 2018 …” „… , ‘Mathematical modelingand parameters estimation of a car crash using data-based regressive modelapproach …” „… contact based validation of crash parameters for a preemptiverestraint strategy,’ in 2019 IEEE …”

Crash Severity and Restraint Strategy Prediction S. 88-122

„… opponent class estimated bythe data fusion and object parameter estimation module (refer to Figure 1.3 …” „… potential and feasibility to use machine learning models to predict thecrash severity parameters and also a …” „… particular safety strategy (parameters for activa-tion of airbags) for the crash scenario identified by the …”

Validation of Pre-Crash Information S. 26-53

„… parameter estimation and further reducethe variation and uncertainties in the crash parameters to the …” „… values of crash parameters and their sources (discussed in Section 2.6) laysdown the need and importance …” „… for the validation of these parameters. Validationat the first contact would verify the crash …”

doi.org/10.51202/9783186817129

Thorsten Lajewski - Friction Potential Estimation for Autonomous Driving

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Thorsten Lajewski

Friction Potential Estimation for Autonomous Driving

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 816 2022

Results in this title

Titelei/Inhaltsverzeichnis

„… PotentialEstimationAifi IFI Friction Device Parameter ABifi IFI Friction Device Parameter BBMF Magic Formula Parameter BC …” „… Potential EstimationREIHE 12 | NR. 816Cyan Magenta BlackPreflight Lx3 am Mai 16, 2022 | 10:06:14 | 350 mm …” „… Fortschritt-Berichte VDIFriction Potential Estimation for Autonomous DrivingThorsten Lajewski, M …”

Introduction S. 1-35

„… estimation.In the driver warning case, on the one hand, a missed warning about a low frictionpotential might not …” „… ] extended his XBS to lateral slip estimation.Aligning Moment A more promising approach investigated by …” „… , this canincrease the importance of a friction potential estimation system.1.1 MotivationThe Society of …”

Conclusions S. 136-138

„… plan-ning and espcially for safe trajectory planning. A very conservative estimation of thisbound conflicts …” „… friction potential estimation method. If the objective is using thismethod type, the relevant factors …” „… estimation method and fix the tyreset used on the AV. Existing rubber friction theories allow to approximate …”

Bibliography S. 155-174

„… VERKEHRSTECHNIK/FAHRZEUGTECHNIKLajewskiFriction Potential EstimationREIHE 12 | NR. 816Cyan Magenta BlackPreflight Lx3 am Mai 16, 2022 | 10:06:14 …” „… . Estimation of tire-road friction coefficient and its ap-plication in chassis control systems. Systems Science …” „… & Control Engineering. 2015,vol. 3, no. 1, pp. 39–61.13. LEX, C. Estimation of the Maximum Coefficient of …”

Fundamentals of Tyre Friction and its Effect in Tyre Models S. 36-54

„… whichones should be considered in the estimation and how they influence the availablefriction potential …” „… in vehicle dynamics andeffect-based friction potential estimation methods.2.1 Important Influencing …” „… like the Mean Profile Depth (MPD) or the Mean Texture Depth(MTD) [88]. The macrotexture parameter MPD …”

Development of a Friction Potential Measurement Method S. 55-80

„… steering-ratio between the steering-wheel and both front wheels is assumed.The parameters of the vehicle model …” „… future1. In addition, the controller uses aninput delay. This delay and all gain parameters have been …” „… parameters were provided and derived from humandrivers. Figure 3.4 (left) shows a comparison between the …”

Grip Map S. 81-103

„… potential value is given. Further measurementsinclude a temperature value and parameters about the road …” „… important to knowthe tyre for any successful friction potential estimation method. Due to the …”

doi.org/10.51202/9783186816122

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