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Limit handling in a driving simulator
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.ORCID iD: 0000-0002-8242-3407
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0002-5306-2753
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.
2015 (English)Report (Other academic)Alternative title
Limit handling i en körsimulator (Swedish)
Abstract [en]

The purpose of this work has been to investigate how the driving simulator performs at the handling limit of a vehicle and improve its function so that the simulator feels and behaves more like a real vehicle when driving on the limit. Tests were performed with a Volvo S40, the same vehicle model for which the driving simulator vehicle dynamics model is based upon. Based on these test results the vehicle model that is currently used in VTI’s driving simulator III was modified in order to better simulate vehicle characteristics when driving on the handling limit. A method for validation of handling characteristics was developed. The method is based on the double lane change manoeuvre, and comprise a subjective and an objective part. The method was regarded to work well, and the validation tests showed that the modified vehicle model closer captures the understeer and time lag properties of a real Volvo S40 compared to the original model. Still, additional improvements need to be made before the model can be regarded as fully useful for on-the-limit driving situations.

Abstract [sv]

Körsimulatorstudier som involverar körning på gränsen till fordonets förmåga (handling-gränsen) behöver fordonsmodeller som på ett korrekt sätt kan modellera dessa situationer. Syftet med detta arbete har varit att undersöka hur VTI:s körsimulator presterar vid körning på gränsen till fordonets förmåga och att förbättra dess funktion så att simulatorn i högre grad upplevs och beter sig som ett riktigt fordon i denna situation. Tester utfördes med en Volvo S40, samma fordon som simulatorns fordonsmodell är baserad på. Utifrån resultaten från dessa tester modifierades fordonsmodellen i VTI:s körsimulator III för att bättre kunna simulera körning på handling-gränsen. En metod för validering av handling-egenskaper togs fram. Metoden är baserad på double lane change manövern, och består av en subjektiv och en objektiv del. Metoden ansågs fungera väl, och valideringstesterna visar att den modifierade fordonsmodellen bättre beskriver understyrningskarakteristik och tidsrespons hos en riktig Volvo S40 jämfört med den ursprungliga modellen. Dock behövs ytterligare förbättringar av modellen innan den kan anses som fullt användbar vid limit handling.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2015. , 59 p.
Series
VTI rapport, ISSN 0347-6030 ; 861A
Keyword [en]
Simulator (driving), Vehicle handling, Performance, Improvement, Steering (process), Driving (veh), Test method, Evaluation (assessment)
National Category
Vehicle Engineering
Research subject
90 Road: Vehicles and vehicle technology, 91 Road: Vehicle design and construction
Identifiers
URN: urn:nbn:se:vti:diva-7937OAI: oai:DiVA.org:vti-7937DiVA: diva2:840451
Available from: 2015-07-08 Created: 2015-07-08 Last updated: 2016-04-08Bibliographically approved

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