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Dive into the research topics where Klaus Augsburg is active.

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Featured researches published by Klaus Augsburg.


IFAC Proceedings Volumes | 2013

Hardware-in-the-loop test rig for integrated vehicle control systems

Lukas Heidrich; Barys Shyrokau; Dzmitry Savitski; Valentin Ivanov; Klaus Augsburg; Danwei Wang

Abstract The paper introduces the architecture and technical realization of the hardware-in-the-loop (HIL) platform designed specifically for development and testing of integrated vehicle control systems. Starting with the formulation of functional and configuration requirements, the work explains a concept of new HIL test rig and describes its main components. The proposed HIL platform allows integrated testing of different configurations of brake systems, steering, and dynamic tyre pressure control. The case study illustrates operation of the test rig.


SAE transactions | 2003

Comparison Between Different Investigation Methods of Quasi-Static and Dynamic Brake Pad Behaviour

Klaus Augsburg; Hagen Günther; Harald Abendroth; Boris Wernitz

The paper offers an investigation of whether the knowledge of the laws materials will follow and of the parameters for the materials can be obtained from integral testing, i.e. the testing of complete brake pads. Dynamic tests were designed for the purpose, with attention to both the axial and the radial / tangential directions of stress as mechanical properties of brake pads. The tests were run and evaluated on brake pads with a variety of patterns and constructions. The term used throughout this paper to describe these features is the matrix. It was shown that brake pads clearly demonstrate visco-elastic behaviour which is most definitely non-linear, and whose characteristic values for stiffness, damping and internal friction will alter in ratio to the load.


SAE International Journal of Passenger Cars - Electronic and Electrical Systems | 2010

Advancement of Vehicle Dynamics Control with Monitoring the Tire Rolling Environment

Valentin Ivanov; Barys Shyrokau; Klaus Augsburg; Sebastian Gramstat

One of the most important challenges for electronic stability control (ESC) systems is the identification and monitoring of tire rolling environment, especially actual tire-road friction parameters. The presented research considers an advanced variant of the ESC system deducing the mentioned factors based on intelligent methods as fuzzy sets.


international conference on mechatronics | 2015

Electric vehicles with individually controlled on-board motors: Revisiting the ABS design

Valentin Ivanov; Dzmitry Savitski; Klaus Augsburg; Phil Barber

The paper introduces the anti-lock braking system (ABS) designed for the all-wheel drive full electric vehicle equipped with four on-board motors. The main features of the ABS under consideration are (i) continuous wheel slip control with feedforward and feedback controller parts, and (ii) versatile actuation architecture realizing pure electric braking, braking with electro-hydraulic decoupled brake systems, and blended braking with operation both of friction brakes and electric motors in regenerative mode. Results of ABS validation demonstrate essential benefits of the developed control strategy for brake performance, precise wheel slip tracking, and drive comfort at braking. Adaptive properties of the proposed ABS are discussed for test cases including the transient road friction.


Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering | 2016

The new paradigm of an anti-lock braking system for a full electric vehicle: experimental investigation and benchmarking

Dzmitry Savitski; Valentin Ivanov; Klaus Augsburg; Barys Shyrokau; Robert Wragge-Morley; Thomas Pütz; Phil Barber

The study presented in this paper discusses developments in the area of anti-lock braking control for full electric vehicles. The main contributions of the paper are the development and experimental validation of the combined electric and hydraulic brake system with application of a continuous anti-lock braking system, which is expected to be more effective than the existing industrial solutions. It covers the topic of high-performance braking and driving comfort under a direct slip control function. The research is related to the full electric sport utility vehicle equipped with four individual on-board motors and a decoupled electrohydraulic brake system. The brake controller architecture includes functions of the continuous anti-lock braking system strategy, a brake blending algorithm aimed at minimization of the friction brake torque and operational limitations of the electric brakes. The developed brake controller was subjected to different validation procedures but, within the framework of this paper, emergency braking tests on a wet surface with a low coefficient of friction are considered. The results obtained demonstrate significant improvements in the braking performance, the driving comfort and the control performance for continuous anti-lock braking control of the electric vehicle compared with those of diverse vehicle configurations and, in particular, with those of a sport utility vehicle of the same type equipped with an internal-combustion engine and a conventional hydraulic brake system.


Journal of Friction and Wear | 2008

Evaluation of tire contact properties using nondestructive testing. Part 2: Experimental determination and fuzzy model of the contact parch in the static state

Valentin Ivanov; Klaus Augsburg; B. N. Shirokov

The paper presents the results of experimental determination of the contact parch area of various automobile tires in response to normal loading on the wheel and tire inflation pressure. The data are obtained for test bench conditions by visual processing of tread footprint. The test program covers five tire types of different manufacturers with different rubber blends. The experimental results are used to construct regression dependences and a multipurpose fuzzy model for determination of the contact parch area in response to loading on the wheel and tire inflation pressure.


Journal of Friction and Wear | 2008

Assessment of tire contact properties by nondestructive analysis. Part 1. The contact length in the region of adhesion at slow rolling velocities

Valentin Ivanov; Klaus Augsburg

The article discusses methods of nondestructive analysis for describing the contact interaction between the tire and the bearing surface. The problems of qualitative comparison of automobile tires are discussed. The contact length in the region of adhesion at individual points over the tire surface during rolling was selected as the criterion of assessment. The influence of load on the wheel and pressure in the tire on the contact length was explored in the region of adhesion at slow rolling velocities. A tire stand with a device to monitor the point of contact between the tire and the surface was used to obtain experimental data using methods of image processing. The results show different extents of wear of winter and race tires.


ATZ worldwide | 2009

Methods of evaluating and developing pedal and brake characteristics

Jan Sendler; Ralf Trutschel; Klaus Augsburg; Nikolaus Peter Schumann; Hans Christoph Scholle

The qualities of a particular car that are experienced by the driver in direct interaction with the car have come to be significant distinguishing features. The brake system is particularly important in this respect because it belongs to the essence of driving and of keeping the vehicle under control. An overview is given in this paper of methodology developed at the Ilmenau University of Tech- nology for comprehensive, objective and definitive investigation of the interaction taking place between the driver and the vehicle during braking.


Archive | 2018

Katalysatorträgerdesigns für die Abgasnachbehandlung zur Einhaltung der gesetzlichen Grenzwerte

Markus Thiel; Ronny Werner; Rolf Brück; Sylvie Kröger; Naroa Zaldua-Moreno; Klaus Augsburg; Rüdiger Horn; Peter Hirth; Bin Hu; Christian Schorn

Moderne Dieselmotorenkonzepte mit variabler Turbinengeometrie zeichnen sich durch hohe spezifische Leistung und niedrigen Kraftstoffverbrauch aus. Der hohe Wirkungsgrad fuhrt jedoch zu niedrigeren Abgastemperaturen. Dieser Effekt beeinflusst die Funktion der notwendigen Abgasnachbehandlungssysteme nachteilig. Im Hinblick auf eine sich weiter verscharfende Abgasgesetzgebung und der Entwicklungstendenz hin zu zweistufigen Aufladesystemen stellt die moglichst motornahe Positionierung des Oxidationskatalysators einen vielversprechenden Losungsansatz dar. Im Rahmen eines Forschungsprojekts wurde ein Vorturbolader-Katalysator (Pre Turbocharger Catalyst) mit bis zu einem Liter Volumen fur maximale Konvertierungsraten entwickelt. Anhand der in diesem Beitrag dargestellten Ergebnisse aus Messungen am hochdynamischen Motorenprufstand soll insbesondere der Zielkonflikt aus effektiver Emissionsminderung durch Einsatz des PTC und daraus resultierenden fahrdynamischen Nachteilen diskutiert und Losungsansatze abgeleitet werden.


IEEE Access | 2018

Shared and Distributed X-in-the-Loop Tests for Automotive Systems: Feasibility Study

Viktor Schreiber; Valentin Ivanov; Klaus Augsburg; Matti Noack; Barys Shyrokau; Corina Sandu; Pieter Schalk Els

X-in-the-loop (XIL) technologies are receiving increased attention in modern automotive development processes. In particular, collaborative experiments, such as XIL tools, have efficient applications in the design of multi-actuated, electric, and automated vehicles. The presented paper introduces results of such a collaborative study for XIL, which focused on the feasibility of coordinated real-time simulations for the control of vehicle dynamics systems. The outcomes are based on extensive co-simulation tests performed using remote connections among different geographical locations; the connections were between Germany, on one side, and USA, South Africa, and The Netherlands, from the other side. The performed study allowed formulating requirements for further shared and distributed XIL-experiments for functional validation of automotive control systems.

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Valentin Ivanov

Technische Universität Ilmenau

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Dzmitry Savitski

Technische Universität Ilmenau

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Barys Shyrokau

Delft University of Technology

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Hannes Sachse

Technische Universität Ilmenau

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Sebastian Gramstat

Technische Universität Ilmenau

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Barys Shyrokau

Delft University of Technology

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Axel Wodtke

Technische Universität Ilmenau

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Dmitrij Schleinin

Technische Universität Ilmenau

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Lars Niedermeyer

Technische Universität Ilmenau

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