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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

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

„… taking place before and after the road maintenance.After the road maintenance is finished, all …” „… wasa known road maintenance on the brake point, the measurements are separated intoall measurements …” „… seen in the plot, is the change of the frictionpotential after the road maintenance. It is unknown if …”

Intermediate Layer Classification S. 104-126

„… sides ofmajor roads. Their main use is to help winter maintenance and traffic management. InGermany, the …” „… , the road condition of all measurements is influenced by road main-tenance due to plowing and gritting …” „… , do not know anything about road maintenance activities.1105.3 Classification methodsline of the …”

Remaining Risk of Overestimating the Friction Potential S. 127-135

„… influence of winter road maintenance has again been correc-ted by setting the intermediate layer of every …” „… maintenance.This highlights the importance to include information about winter maintenance in anestimation …” „… thepast. Although the AV might drive differently from human drivers, the cars will sharethe roads with …”

Introduction S. 1-35

„… less relevance to road maintenance.In this thesis, two continuous wet grip measurement methods have …” „… also lead to operating timesduring night time, where road maintenance is reduced. Especially in winter …” „… found in literature and used inthis thesisRoad Maintenance Friction Potential Measurement MethodsRoad …”

Grip Map S. 81-103

„… smaller than the 100 m segments used in road maintenance.For the track on public roads, the 5 m segments …” „… condition. The possible large spread in wet frictionpotential led road maintenance authorities to use the …” „… methods are a well established method-ology in road maintenance (see section 1.2.1). These continuous …”

Conclusions S. 136-138

„… road main-tenance, where the limit and warning values are derived from a reference measurementcampaign …” „… measurement methods used in road maintenance. According to the con-ducted SWB measurements, the friction …” „… friction potential is to conduct full-brakingtests. Since these tests cannot be conducted on public roads …”

Titelei/Inhaltsverzeichnis

„… – KlassifizierungsverfahrenKeywords: Tyre – Friction – Autonomous Driving – Trajectory Planning – Road Maintenance – Road Weather …” „… ) and RoadSTAR, which are used inroad maintenance, were compared with the created database. The results …” „… maximum forces that can be transmitted between tyre and road. The friction potential is a function of many …”

Appendix S. 139-154

„… maintenance measurementtrucks SKM and RoadSTAR. Figure C.1 shows the data measured by the SKM truck onthe …” „… .5.146C Continuous Friction PotentialMeasurementsThe following figures show the data provided by the road …” „… public road course. All three laps are plotted. The different velocity categories areplotted in different …”

Bibliography S. 155-174

„… forecast and winter road maintenance: an examplefrom the Italian Alps. In: THEMISTOCLEOUS, K.; HADJIMITSIS …” „… zero: a toolkit for road safety in themodern era. Injury Epidemiology. 2017, vol. 4, no. 1.3. SINGH, S …” „… Levels of Automated Driving. SAE international tax-onomy and definitions for terms related to on-road …”

doi.org/10.51202/9783186816122

VDI Wissensforum GmbH - Commercial Vehicles 2023

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VDI Wissensforum GmbH (ed.)

Commercial Vehicles 2023

Series: VDI-Berichte

Volume 2417 2023

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S. Tjaden, H. Flämig Designing a future-oriented logistics system with driverless driving S. 191-204

„… vehiclesReduction for costs for expansion and maintenanceDesign optionsReduction of vehicle kilometres …” „… 2021, the introduction of this new vehicle technology in road freight transport will become …” „… . Whether in internal logistics or in public road transport, driverless driving can lead to far-reaching …”

P. Akerman, A. Rupprecht Dynamic charging for trucks S. 35-46

„… flow back to road maintenance and investment, as well as for a tax income for governments to offset …” „… heavy and long-haul road freight different zero emission technologies are being tested. VDI-Berichte Nr …” „… evaluate the prospect for reaching the climate goals with help of an Electric Road System (ERS) on …”

X. Seykens, C. Bekdemir, P. van Gompel How can hydrogen combustion engines contribute to realizing climate targets? S. 105-122

„… consumption, and maintenance costs. VDI-Berichte Nr. 2417, 2023 117 Fig. 8: Overview of total (investment and …” „… LPDI is due to differences in maintenance cost estimation. VDI-Berichte Nr. 2417, 2023118 …” „… . Funding: Starting up pilot and demonstrator projects with vehicles/fleet on the road for smooth …”

M. Sommer, E. Sax, T. Rösch Fleet data used for self-learning functions in commercial vehicles S. 81-92

„… maintenance, passenger experience, as well as the operation of the bus components itself. By leveraging the …” „… based on traffic data, chassis mode based on road data. Control over the air (COTA) Control functions …” „… concept offers many advantages for the OEMs in terms of easier integration and maintenance of functions …”

C. Liehr The future is Megawatt Charging – A high power revolution on charging infrastructure for commercial vehicles S. 25-34

„… MCS is clear – less charging time means more time on the road. There are wider benefits for society …” „…  Reduction of operation and maintenance cost  Standardization of charging infrastructure  Optimization of …”

doi.org/10.51202/9783181024171

VDI Wissensforum GmbH - Commercial Vehicles 2021

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VDI Wissensforum GmbH (ed.)

Commercial Vehicles 2021

Series: VDI-Berichte

Volume 2380 2021

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H. Zeltwanger Standardized body builder network with cloud connection S. 283-0

„… . To satisfy the customer demand on pre-emptive maintenance options a standardized interface between …” „… 1939 or CANopen as application layer. Body application Many commercial road vehicles are equipped …” „… . Additionally, the body application sends request to the commercial road vehicle via such an in-vehicle gateway …”

N. Rossel, M. Sommer, E. Sax Automated and networked city buses – Optimized, demand-oriented service through intelligent use of data S. 215-228

„… road works or dense crowding at bus stops are just a few examples of the daily challenges during the …” „… influence the daily operation and maintenance of the buses, which will be shown on the example of automated …” „… also the dynamics of other road users and pedestrians. Looking at the ego-vehicle, the route results …”

H. Bublies, T. Dieckmann The chassis remains the backbone of road transport  smart & light S. 179-188

„… Predictive Maintenance Road Preview e Horizon Impact Monitoring Height Leveling Road & Bridge Monitoring …” „… The chassis remains the backbone of road transport smart & light Dipl.-Ing. (FH) Holger Bublies …” „… of road users, driver comfort and cargo integrity Digitalization Connectivity and software …”

J. F. Beaupère, F. Domprobst Tire contribution to truck sustainability – Roadmap to 2030 S. 135-148

„… analysis is better leading to a global improvement of road freight environmental footprint …” „… RRC before the tire reaches a stabilized thermal state must be considered as well. - Real road …” „… 4.5 5 5.5 6 6.5 7 RR ISO Load Pressure Speed Ambient T°C Transcient Road roughness Road curvature …”

K. Feyerabend, A. Goers Towards the standardization of a high speed truck-trailer data connection S. 205-214

„… standard for a complete vehicle road train network with high bandwidth for the next decades Source …” „… , wikimedia.org New Connector (Proposal) Related Research Activities TMC (Trucking Maintenance Council) TMC S1 …” „… over IP (SOME/IP) • ISO 17215 – Road vehicles: Video communication interface for cameras • ISO 13400 …”

H. Ulmer, M. Rothschuh, F. Brinkmann, R. Wascheck, T. Delebinski eDrive & Fuel Cell powertrain systems engineering for commercial vehicles S. 55-72

„… ]. Consequently, all on-road commercial vehicles manufacturers are facing OEM specific challenges for introducing …” „… concept & business case development up to ready-to-use systems in operation, maintenance solutions and …” „… System in operation Concept Development Production Disposal Maintenance Operation Realization …”

L. Heber, J. Schwab, T. Knobelspies Thermoelectric generators for heavy-duty vehicles as an economical waste heat recovery system S. 17-32

„… emissions of road transport and without further innovation, significant reductions are unlikely. Part of …” „… network or charge the battery. Their advantages are low maintenance costs, relatively low system weight …”

doi.org/10.51202/9783181023808

VDI Wissensforum GmbH - ELIV-MarketPlace 2022

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VDI Wissensforum GmbH (ed.)

ELIV-MarketPlace 2022

Series: VDI-Berichte

Volume 2405 2022

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S. Poledna, L. Antonia Zaza Bringing together major stakeholders to shape the future of autonomous operation. Can this also be done for the offhighway industry? S. 447-460

„… automation• Quality control• Safety assistance• Predictive maintenanceVDI-Berichte Nr. 2405, 2022 455 …” „… safe autonomous mobility for on-road vehicles a reality. Concepts out of automotive field are nowadays …” „… transferring also to the off-highway market. Trends like smart and autonomous operation for off-road …”

J. Hampp Targeted use of modern high-level languages, reuse of software modules and an ISO 26262 and ISO 21434 compliant compiler tool chain to ensure reliable cooperation guaranteed using all available hardwa... S. 173-180

„… the experts at TASKING with commercial maintenanceThe new TASKING development environment is developed …” „… cybersecurity conform according to ISO/SAE 21434:2021 road vehicles. Combined Safety/Security Manual. TÜV …” „… Qualification Kit.Customers who purchaseSmartCode v10.1r1 withcommercial maintenanceare entitled to get all …”

F. Klebert NDS – The Development and Use of a Worldwide Standard for Map Data S. 315-324

„… providers and on the road in millions of vehicle of more than 30 brands. Unlike NDS.Classic, NDS.Live is not …” „… Data2018 - 2022ELIV Marketplace November 16, 2022 | 4NDS.Classic: on the road since 2012Today, map …” „… relevant for a broad set of use cases or as a general reference for all other dataRoads or display data …”

U. Bodenhausen Comprehensive Test Strategy for AI Based Systems – From AI Test Principles to T est Optimization S. 265-282

„… (e.g. voice and gesture recognition) or predictive maintenance. Recently, the application of AI to …” „… maintenance. AI: Great Opportunities for New or Enhanced FunctionalitiesAI in Automotive* Source: ISO/TR 4804 …” „… - ISO/PAS 8800 Road Vehicles: Safety and AI*AI in Automotive* Source: ISO/PAS 8800 Road Vehicles: Safety and …”

doi.org/10.51202/9783181024058

VDI Wissensforum GmbH - Ventiltrieb und Zylinderkopf 2017

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VDI Wissensforum GmbH (ed.)

Ventiltrieb und Zylinderkopf 2017

Series: VDI-Berichte

Volume 2291 2017

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N. Auffret, M. Moretti, D. Palmisani Modular Valve Train Systems for Heavy-Duty engines S. 199-210

„… following features: - Maintenance free system using hydraulic valve adjustment - Optimized engine brake …” „… . Drivers for future off-road engines development To be able to face the worldwide need to build …” „… outstanding buildings, skycrapers or facilities, off-road engines manufacturers are developing always bigger …”

doi.org/10.51202/9783181022917

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