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Influence of performance degradation on vehicle dynamics
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Fordonsdynamik.
2016 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

Technology&Strategy is a French-German consulting company based in Strasbourg, France. Most of its activities take place in the automotive sector with many of their consultants working for Bosch Chassis Control in Abstatt, Germany. Bosch Chassis Control is responsible for the development of active safety control systems for many car manufacturers worldwide. The ESP (Electronic Stability Program) was created by Bosch and is now compulsory in every European car since 2014. The development of the ESP includes an portant part of onboard testing before the production release.

The application team is responsible for achieving those tests and analyzing the data recorded. One of the features of the ESP is the TCS (Traction Control System) allowing the vehicle to remain at its maximum friction available depending on several parameters such as road friction, speed or wheel angle. The goal of this master thesis is to study the control logic of the TCS and highlight the inuence of several parameters from the software to the vehicle dynamics. The rst part of this thesis was dedicated to the development of a MATLAB tool used to visualize measurements out of di erent test sessions on the same plot. The current tool used is limited to a single measurement display.

The second part focuses on the analysis of TCS data taken through several test sessions with di erent parameters. The two main controllers of the TCS, PTC and BTC (Powertrain Traction Control and Brake Traction Control) are the core of this analysis.

sted, utgiver, år, opplag, sider
2016. , s. 59
Serie
TRITA-AVE, ISSN 1651-7660 ; 2016:68
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-203353OAI: oai:DiVA.org:kth-203353DiVA, id: diva2:1082039
Eksternt samarbeid
Technology&Strategy
Fag / kurs
Vehicle Engineering
Examiner
Tilgjengelig fra: 2017-03-15 Laget: 2017-03-15 Sist oppdatert: 2017-03-15bibliografisk kontrollert

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