Method for operating a powertrain, powertrain and motor vehicle

DE102025102155A1Undetermined Publication Date: 2026-07-23VOLKSWAGEN AG
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Patent Information

Application Number
DE102025102155
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-07-23

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Abstract

The present invention relates to a method for operating a powertrain (1) of a motor vehicle (2). A current dead time (tT) for a torque reduction of an internal combustion engine (3) is determined and provided by a first control device (4). A second control device (6) detects the dead time (tT) and sends a request for a torque reduction of the internal combustion engine (3) via a data transmission device (5) to an engine control device (7) of the powertrain (1), taking the dead time (tT) into account. The engine control device (7) implements the request. After a delay of the dead time (tT), the second control device (6) then performs a control operation. The invention further relates to a powertrain (1) and a motor vehicle (2).
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Citation Information

Patent Citations

  • System and method for controlling a crankshaft torque during a transmission shifting operation with a torque reduction range selection based on a torque capacity

    DE102012214596A1

  • Device and method for controlling the operation of an internal combustion engine

    DE102013212865A1

  • Method for operating an exhaust system and exhaust system

    DE102019133509A1

  • Method for shifting gears of a, in particular automatic, transmission of a vehicle

    DE102023125690A1

  • Control of an automatic clutch and engine torque

    DE112018000958T5