| 摘要 |
The present invention pertains to a method for the regulation of a concentration/fraction of one or several substances comprised in an exhaust stream in a motor vehicle through control of its driveline, the motor vehicle of which comprises: a driveline comprising a combustion engine which may be connected to a gearbox via a clutch device, and an exhaust system arranged for the removal of an exhaust stream from the said combustion engine; where the said method comprises the step: - control of the said driveline for activation or deactivation of coasting based on one or several first parameters P 1 for the regulation of a concentration/fraction C ExIX Ex of one or several substances comprised T Ex in the said exhaust stream, where at least one of the said one or several first parameters P 1 are a first concentration/fraction difference between the said first concentration/fraction C 1/X 1 in the said exhaust stream and a reference concentration/fraction C RefIX Ref. Further, the invention pertains to a computer program, a computer program product, a system and a motor vehicle comprising such a system. |
