Filter results

Results (371)

Sort by:

Select all Select all

Page 4

VDI Wissensforum GmbH - LAND.TECHNIK 2022

No access

Select

VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2395 2022

Results in this title

A. Grever, M. Muter, B. Johanning A generic approach to bridge the gap between route optimization and motion planning for specific guidance points of highly automated machines S. 71-78

„… .: A hybrid genetic algorithm for route optimization in the bale collecting problem. Spanish Journal …” „… A generic approach to bridge the gap between route optimization and motion planning for specific …” „… Johanning, Hochschule Osnabrück Abstract Both route optimization and motion planning are important …”

S. Becker, B. Kazenwadel, M. Geimer Automation and Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model Predictive Control based on Machine Learning S. 55-64

„… Automation and Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model …” „… optimization and automation of agricultural tasks is increasing. Furthermore, costs and the lack of qualified …” „… optimization parameters such as fuel efficiency, performance or total costs depending on the individual needs …”

I. Stasewitsch, J. Schattenberg, L. Frerichs, K. Kruger, J. Schobel, M. Lehr, T. Neugebauer Localization with a ground penetrating radar in harsh agricultural environments S. 153-162

„… stall barns or farm itself. Existing localization systems and/or algorithms have the disadvantage here …” „… Sick NAV350, which contains a marker-based localization algorithm. In the indoor test setup 10 …” „… reflector mark is behind the wall (dotted line). 3. Localization Algorithm The localization algorithm …”

S. Schwich, J. Schattenberg, L. Frerichs, M. Gallmeier Adaptive control of a self-propelled sugar beet harvester S. 447-456

„… , process models and control algorithm M. Sc. Steffen Schwich, Dr.-Ing. Jan Schattenberg, Prof. Dr …” „… algorithm. Introduction Self-propelled sugar beet harvesters are very complex machines, which combine …” „… operator. The system enables global optimization of the machine setting to the environmental conditions …”

F. Keppler, N. Dunkelberg, S. Wagner, K. Janschek Efficient Multi-Robot Path Planning for Autonomous Weed Control on Complex Field Configurations S. 79-86

„… Optimization: Theory and Algorithms, Berlin, Heidelberg: Springer, 2008, pp. 527–562. doi …” „… graph and Dijkstra's algorithm is applied to efficiently route the robots between consecutive subfields …” „… genetic algorithm. According to the computed sequence, a field-covering global path is constructed, which …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Soil Compaction Risk Indicator (TERRANIMO) into a Holistic Tractor and Implement Optimization System …” „… Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model Predictive Control based on …” „… E-Systems GmbH, Dissen A generic approach to bridge the gap between route optimization and motion planning …”

S. Lorenz Machine operation task analysis – A deeper look into the shift of task profiles within operating agricultural cyber-physical production systems S. 473-484

„… , cloud-based routing software, process simulation and AI-based adaptive control algorithms (Liakos et al …” „… navigates following a preprogrammed path, calculated by an algorithm and if necessary optimized by a human …” „… path, calculated by an algorithm and is able to adapt to some obstacles. 95 - 5 The operator only …”

R. A. Rohrer, J. D. Luck Automated Droplet Size and Rate Control via Electromechanically Actuated Variable-Orifice Nozzles and Boom Pressure S. 117-124

„… desired flow at nearly all operating points above 207 kPa. Optimization of the control method showed …” „… incorporated the nozzle control algorithm described above to automate actuator positioning and determine …”

K. Palm, J. Guo, L. Frerichs, A. Eitzlmayr, F. Maier, P. Seil Calibration of soil models within the Discrete Element Method (DEM) S. 45-54

„… varied parameter sets, and employs an optimization algorithm to find the best combination(s). In the …”

doi.org/10.51202/9783181023952

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2023

No access

Select

VDI Wissensforum GmbH (ed.)

LAND.TECHNIK AgEng 2023

Series: VDI-Berichte

Volume 2427 2023

Results in this title

B. Kazenwadel, S. Becker, L. Michiels, M. Geimer Data-driven algorithms for predicting energy-efficient operating points in agricultural soil tillage S. 519-528

„… to manually adjust the operating speed. This paper presents and compares two optimization algorithms …” „… demonstrates that data-driven algorithms can also be used for the optimization of these control tasks. We …” „… Data-driven algorithms for predicting energy-efficient operating points in agricultural soil …”

A. Baiser, B. Johanning, A. Berghaus, A. Grever Development approach for process monitoring of agricultural work processes in context of autonomous machine guidance of a tractor implement combination S. 169-174

„… rotary speed in combination with reusable, intelligent algorithms. Introduction and motivation High and …” „… VDI-Berichte Nr. 2427, 2023 169about the state of the work process: malfunction, adjustment and optimization …” „… at the beginning be checked. This is the start of individual optimization by the machine operator …”

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

„… Optimization Dr. Ashutosh Tamrakar, CNH Industrial America LLC, New Holland (PA), USA; Dr. Martin Roberge …” „… models of grain flow that can be used for design improvements and operation optimization. In this paper …” „… , validation steps, as well as design optimization for a robust grain handling system. For simulation …”

K. Blaylock, A. Irlbeck, B. Adams, A. Sporrer Systems Engineering Development and Analysis Approach to Improving Self-Propelled Sprayer Boom Height Control S. 489-496

„… optimization of subsystems for the overall centerframe-boom height control system. This proposed approach …” „… processing algorithms and spray rate controllers to effectively detect and precisely spray only the targeted …” „… common boom height control system, this system usually incorporates a closed-loop control algorithm that …”

R. Grimm, M. Kügle, F. Kattler, J. Mayer, A. Fekete, M. Sepp Classifying tractor operational modes using a supervised machine learning model S. 93-108

„… as predictive maintenance and machine setting optimization. These advancements eventually lead to …” „… operational modes across Europe, leveraging the Support Vector Machine and Random Forest algorithms. Our …” „… the performance of the machine learning algorithm. For instance, we derived the power take off (PTO …”

G. Scotto di Vetta, J. Ladinger Work light modularity, research for real 360° visibility, focus on hidden areas to increase safety and performance for the customer S. 357-362

„… generated using global illumination algorithms (such as ray tracing and radiosity) can replicate phenomena …” „… ray tracing algorithms. Ray tracing is a technique used to represent the propagation of …” „… govern scatter. This algorithm provides a more realistic image by tracing a path of light and choosing …”

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

„… (classical) stereo algorithm. Although modern learning-based algorithms are much more accurate and robust …” „… transformer network for stereo depth estimation with task-specific optimization regarding the network size and …” „… that the transformer network can outperform such classical algorithms for the specific task domain of …”

T. Schütte, K. Koch, V. Dworak, C. Weltzien LiDAR Assisted Semi-automatic Mapping and Path Planning Approach for Autonomous Mobile Robots in Vineyards and Orchards S. 199-208

„… representations of the crop rows and driveable lanes. Path Optimization The first step in order to find the …” „… paths or edges to a fixed distance. An implementation of the A* path planning algorithm [8] is then used …” „… measurement to assess the path optimization 4. assess the overlap of the generated path with crop zones …”

A. Grever, M. Kreyenhagen, B. Johanning A hybrid system architecture for combined task and motion planning as well as motion control based on cloud and onboard services using the example of different combinations of highly automated impleme... S. 175-180

„… as the automation and optimization of work processes in private and industrial environments …” „… University Press. [3] LaValle, S. M. (2006). Planning algorithms. Cambridge University Press. [4] Grever, A …” „… ., Müter M., Johanning B. (2022). A generic approach to bridge the gap bet. route optimization and motion …”

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

„… sequence optimization for operational path planning using genetic algorithms“. In: Appl. Eng. Agric. 27.6 …” „… continuously recording data today that is used for process optimization. AI methods promise to pave the way for …” „… optimization requires a systematic merging, processing, and making available of derived key figures. In Section …”

Titelei/Inhaltsverzeichnis S. I-XX

„… Bologna, Bologna, ItalyPerformance optimization of CVT standard tractors in front loading application 21C …” „… Harvesting MachinesApp based chop quality estimation for silage maize harvest quality optimization 321S …” „… Combine Harvester – Simulation Development, Validation and Optimization 395A. Tamrakar, CNH Industrial …”

J. Vanlerberghe, Y. Li, D. Jongmans, T. Mahieu, B. Missotten Automatic Closed-Loop Chop Quality Control Based on Camera Images on a Combine Harvester S. 131-138

„… trade-off and potential for optimization. Reducing chop quality will free up power, which can be reinvested …” „… the chopped straw. After that an image processing algorithm determines the corresponding chop quality …” „… algorithm in a wheat field on a new holland combine harvester. In the morning 9 - 10 AM we harvested with …”

H. Harms, W. Strothmann, D. Markus, C. Halbrügge Sensing and analyzing crop characteristics and yield data in potato harvesting S. 109-116

„… analysis and algorithms for decision-making online on machines as well as offline in the farmers back …” „… manifests the importance of knowledge of the spatial sizing distribution for further optimization of the …” „… algorithms for spatial decision making and variable rate control, since now there is a method of measuring …”

S. Belau, D. Neitemeier, J. Witte, T. Töniges, Y. Ehlert, Janina Amsbeck App based chop quality estimation for silage maize harvest quality optimization S. 321-326

„… App based chop quality estimation for silage maize harvest quality optimization Sven Belau …” „… defined DIN A4 tray, capturing images, and repeating the process. The AI algorithm identifies kernels on …”

doi.org/10.51202/9783181024270

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

Partial access

Select

VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

M. Hofstetter, D. Lechleitner, M. Hirz, M. Gintzel, A. Schmidhofer Multi-objective gearbox design optimization for xEV-axle drives under consideration of package restrictions S. I-239-I-254

„… eliminated by smart optimization algorithms supporting the design synthesis at the respective super system …” „… Discussion The application of optimization algorithms to automate gearbox design has been addressed in …” „… collision checking During the search for beneficial gearbox solutions, the optimization algorithm varies …”

F. Leonardi, A. Munoz, L. Guo, F. Liang, M. Degner Electric machine design approaches for electrified powertrains S. II-169-II-182

„… to resolve some of the challenging design issues. Design optimization using genetic algorithms and …” „… optimum trade-offs. New design concepts and approaches together with optimization techniques and CAE …” „… mechanical design optimization are given. INTRODUCTION The electric machine design process has …”

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains S. I-269-I-284

„… search algorithms enable a fleet optimization by the identification of samples and combinations of …” „… between combustion engine and hybrid technology. The optimization of powertrain components, topologies and …” „… developed for the simulation, objectively assessment and optimization of large parameter areas of hybridized …”

C. Körtgen, G. Morandi, G. Jacobs, Achim Kramer Efficient development by means of automated calibration of tractor control units S. III-45-III-56

„… with an objective rating algorithm and the TCU parameter selection with an optimization algorithm …”

K.-P. Fritsch Industry 4.0 in the automatic transmission production S. I-397-I-412

„… capabilities already allow process optimizations during the engineering of machines. 2. The virtual middleware …” „… optimization system with the possible limit parameters. This information also includes personnel …” „… included in the analysis. If possible, the optimizations are displayed in real time and are available …”

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 S. II-103-II-116

„… computational effort is reduced, compared to the optimization algorithm in [8]. The outcome is a wheel torque …” „… desired vehicle motion. Since solving the underlying optimization problem is time-critical in a real …” „… compensated. These considerations lead to a translator algorithm which is summarized in Fig. 4. For example …”

D. Bauer, M. Alexander Loss-optimized design of a high performance electrical machine for electric and hybrid cars S. II-183-II-196

„… optimization workflows. Based on this toolchain an optimization considering maximum efficiency and -optimized …” „… . VDI-Berichte Nr. 2328, 2018192 Multi objective and Multi domain Optimization For the design of the electrical …” „… machine a proprietary multi objective and multi domain optimization is used. At the beginning of an …”

T. Grasshoff, P. Beckedahl Power module packaging technologies for silicon and silicon carbide in automotive applications – challenges and solutions S. II-19-II-30

„… mission profile by a suitable algorithm, for example the Rainflow algorithm [1]. 0,0 5,0 10,0 15,0 20,0 …” „… . 13: Nominal switching losses of 100A rated chipset at Vdc=800V Using all optimization options from …” „… optimizations will be done to drive down the costs. For an automotive drive train application the lifetime of …”

T. Gemassmer Approaches to increase efficiency and dynamics of ipmsm traction drives by optimization of control strategies S. II-85-II-102

„… Approaches to increase Efficiency and Dynamics of IPMSM Traction Drives by Optimization of Control …” „… loss optimization. 3. Current control of saturating PMSM Classic field oriented control for linear …” „… flux linkage characteristics , their inverses also are needed for that control algorithm. Using the …”

S. Rinderknecht, A. Esser, P. Jardin Relevance of multidimensional real-driving optimization for the development of a battery-electric vehicle 5.0 S. II-117-II-134

„… Relevance of Multidimensional Real-Driving Optimization for the Development of a Battery-Electric …” „… vehicles, especially in case of BEVs. The orientation towards real-driving optimization creates a paradigm …” „… physical signal dependency of the higher dimensions) have to be considered. In [14], a generic algorithm …”

L. Dedeleit, M. Ayeb, L. Brabetz Short circuit calculation of permanent magnet synchronous machines with comsol multiphysics S. II-197-III-VII

„… . The collaborative research project Topological Optimization for an Energy-Efficient Electrical …” „… Getting more out of existing sensors: control algorithms to measure true torque, backlash and tooth …”

doi.org/10.51202/9783181023280

Herwig Unger, Wolfgang A. Halang - Autonomous Systems 2017

Partial access

Select

Herwig Unger (ed.), Wolfgang A. Halang (ed.)

Autonomous Systems 2017

Series: Informatik/ Kommunikation

Volume 857 2017

Results in this title

Dit Suthiwong, Maleerat Sodanil, Gerald Quirchmayr, Herwig Unger Stock Selection by Using an improved quick Artificial Bee Colony Algorithm S. 65-77

„… Modification in Employed Bee Phase Inspired by the Particle Swarm Optimization algorithm, We proposed to use …” „… optimization: artificial bee colony (ABC) algorithm, Journal of Global Optimization, 2007. [3] Y. C. Liang, A …” „… quick artificial bee colony -qABC- algorithm for optimization problems, in: 2012 International Symposium …”

Pongsarun Boonyopakorn, Phayung Meesad Performance Evaluation of an Immune Genetic Algorithm S. 32-64

„… the Particle Swarm Optimization algorithm (PSO) based on testing five functions. The idea behind the …” „… particle swarm optimization algorithm. The proposed hybrid algorithm is proven to be more efficient than GA …” „… and PSO. In [4] Zhao, proposed a hybrid genetic algorithm for Bayesian network optimization. Their …”

Günter Fahrnberger Secure Filtering Techniques for Instant Messaging S. 174-187

„… trapdoor functions. Both function types – homomorphic and trapdoor ones – form the heart algorithms of …” „… such optimization problems, because they offer the required scalability mostly coupled with the …” „… contemporary high-performing cryptosystem in ECB (Electronic CodeBook) mode [12]. The encryption algorithm may …”

doi.org/10.51202/9783186857101

Partial access

Select

VDI Wissensforum GmbH (ed.)

Autoreg 2019

Series: VDI-Berichte

Volume 2349 2019

Results in this title

F. Pfitz, M. Braun, C. Ebenbauer Relaxed Barrier MPC for Reference Tracking: Theoretical and experimental studies S. 97-110

„… tracking algorithm, where full optimization means that the optimization steps are pefromed until a stopping …” „… criteria is reached, see [6]. ( ) displays the rbMPC tracking algorithm wherein a single optimization step …” „… inital error depicted as ( ). The rbMPC tracking algorithm with a single optimization step could not be …”

G. Nareyko, T. Koch, A. Trächtler Model Predictive Control of an Active Roll Stabilization System S. 245-256

„… real-time capable and not feasible. Therefore a model reduction and faster optimization algorithms are …” „… . Secondly, the optimization problem is created and contains saturations of rotational speed and torque …” „… . Secondly, the optimization problem is created and contains saturations of rotational speed and torque …”

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

„… optimization algorithm finds optimal parameters for a given linear controller structure with a fixed order and …” „… introduced in [2] [4] and and the optimization algorithm is available in the MATLAB Toolbox "Control System …” „… two degrees of freedom. To solve the optimization problem, constraints in the H∞-norm are given for …”

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

„… .: Proximal Policy Optimization Algorithms. arXiv eprint arXiv:1707.06347v2 (2017) [22] Lillicrap, T., Hunt …” „… motion control algorithms for path following problems, where the motion demand is characterized by a …” „… computational effort to solve the optimization problem online. Another drawback of model-based control is the …”

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

„… . The resulting optimization problem is nonlinear and, thus, it results in a much higher implementation …” „… algorithm is developed in Section 3. The trajectory planner is complemented by an approach to handle lane …” „… by the following optimization problem: min Fx,c(·) Jv(Fx,c) = kte,vte,v + kv (v(te,v)− vdes(te,v)) 2 …”

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

„… These algorithms are implemented in Mathwork’s Simulink Optimization and global Optimization ToolboxTM …” „… discuss the applicability of the models for comfort control design, optimization and validation. In …” „… computationally expensive. Consequently, a rough global optimization has been used to find a good starting point …”

F. Nolteernsting, R. Röthig, T. Oehlschlägel, M. Schultalbers, U. Becker Gain-Scheduling-Regelung des Ladedrucks eines Ottomotors auf Basis lokal linearer strukturierter H∞-optimaler Regler – Systematische robuste Bedatung einer konventionellen Reglerstruktur S. 389-402

„… resultierende H∞-Entwurfsproblem im Allgemeinen nichtkonvex [26]. Die algorithmische Lösung des Entwurfsproblems …” „… oder zusätzliche Algorithmen Potentiale in der Ladedruckregelung gehoben werden können. Durch die …” „… Control, 51(1):71–86, 2006. [27] F. H. Clarke. Nonsmooth analysis and optimization. In Proceedings of the …”

P. M. Sieberg, S. Blume, S. Reicherts, D. Schramm Nichtlineare modellbasierte pradiktive Regelung der Fahrzeugdynamik in Bezug auf eine aktive Wankstabilisierung und eine Nickreduzierung S. 3-18

„… algorithm for active roll stabilization (see Sieberg et al. [1]), the pitch behavior is additionally …” „… Interior-Point Verfahren unter Verwendung der Optimization Toolbox von MATLAB. Dieses Verfahren verwendet für …” „… , „Computation Time Optimization of a Model-Based Predictive Roll Stabilization by Neuro-Fuzzy Systems,“ in 19 …”

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

„… seiner Joint Ventures erweitert – unter anderem Sensoren, Steuergeräte, Software-Algorithmen, Reifen …” „… Act 15, 2016 [12] The MathWorks.: Optimization Toolbox Users Guide, Matlab, 2018 [13] Wu, D.; Ding …”

doi.org/10.51202/9783181023495

1 ... 3

4

5 ... 75