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Transmission-Torque Control for Gear Shifting with Engine Control
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, Faculty of Science & Engineering.
Scania, Södertälje, Sweden.
1997 (English)In: SAE technical paper series, ISSN 0148-7191, 970864Article in journal (Refereed) Published
Abstract [en]

By using engine controlled gear shifting, a manual transmissioncan be automated without using the clutch duringthe shift event.The main contribution of this paper is a novel extensionof the existing system using active handling ofdriveline resonances. The strategy is based on a modelof the transmission torque, which is derived by usingexperimental data from a heavy truck. A key step isthe design of a criterion for a controller that drives thetransmission torque to zero with damped resonances andwith a control signal realizable by the engine.The proposed solution offers a possibility to optimizethe time needed for a gear shift, which is important sincethe vehicle is free rolling when in gear-shift condition.Furthermore, neutral gear can successfully be engagedalso when facing initial driveline oscillations and loaddisturbances.

Place, publisher, year, edition, pages
Society of Automotive Engineers, 1997. 970864
Keyword [en]
Simulation, Vehicle propulsion
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-138862DOI: 10.4271/970864OAI: oai:DiVA.org:liu-138862DiVA: diva2:1115290
Available from: 2017-06-26 Created: 2017-06-26 Last updated: 2017-07-11

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  • apa
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Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
  • rtf