EP 2417381 A1 20120215 - METHOD FOR SETTING A TRANSMISSION RATIO TO BE SET AND DRIVE SYSTEM
Title (en)
METHOD FOR SETTING A TRANSMISSION RATIO TO BE SET AND DRIVE SYSTEM
Title (de)
VERFAHREN ZUR EINSTELLUNG EINES EINZUSTELLENDEN ÜBERSETZUNGSVERHÄLTNISSES UND ANTRIEBSSYSTEM
Title (fr)
PROCÉDÉ DE RÉGLAGE D'UN RAPPORT DE TRANSMISSION À RÉGLER, AINSI QUE SYSTÈME D'ENTRAÎNEMENT
Publication
Application
Priority
- EP 2010001906 W 20100326
- DE 102009016977 A 20090408
Abstract (en)
[origin: WO2010115525A1] The invention relates to a method for determining a transmission ratio (rcvr) to be set of a continuously variable transmission unit in order to emulate an alternative transmission assembly, and to a corresponding drive system. Firstly, an actual input characteristic variable and an actual output characteristic variable of the continuously variable transmission unit are determined. On the basis of the actual input characteristic variable and the actual output characteristic variable, a theoretical output torque (Mab,th) of the alternative transmission assembly is determined. By taking the theoretical output torque (Mab,th) of the alternative transmission assembly into consideration, the transmission ratio (rcvr) to be set of the continuously variable transmission unit is determined, wherein said transmission ratio (rcvr) is determined in such a way that the driven torque (Mab,ist) produced by the continuously variable transmission unit corresponds to the theoretical output torque (Mab,th). For this purpose, in addition to the continuously variable transmission unit, the drive system has a control unit (16) having a first input and a second input for reading the characteristic variables. Connected to the inputs is a calculation section (30) which, on the basis of the characteristic variables, determines the theoretical output torque (Mab,th) of the alternative transmission assembly. The control unit (16) also has a control section (31), which determines the transmission ratio (rcvr) to be set in such a way that it corresponds to the theoretical output torque (Mab,th).
IPC 8 full level
F16H 59/18 (2006.01); F16H 59/40 (2006.01); F16H 59/42 (2006.01); F16H 61/421 (2010.01); F16H 61/431 (2010.01); F16H 61/472 (2010.01); F16H 61/66 (2006.01)
CPC (source: EP)
F16H 61/472 (2013.01); F16H 61/6648 (2013.01); F16H 59/18 (2013.01); F16H 59/40 (2013.01); F16H 59/42 (2013.01); F16H 61/421 (2013.01); F16H 61/431 (2013.01); F16H 2059/148 (2013.01); F16H 2061/0078 (2013.01); F16H 2061/6601 (2013.01); F16H 2306/30 (2013.01)
Citation (search report)
See references of WO 2010115525A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DE 102009016977 A1 20101014; CN 102378871 A 20120314; EP 2417381 A1 20120215; WO 2010115525 A1 20101014
DOCDB simple family (application)
DE 102009016977 A 20090408; CN 201080014590 A 20100326; EP 10712710 A 20100326; EP 2010001906 W 20100326