EP 0221386 A3 19880817 - METHOD AND DEVICE FOR ADAPTING THE MIXTURE CONTROL IN AN INTERNAL-COMBUSTION ENGINE
Title (en)
METHOD AND DEVICE FOR ADAPTING THE MIXTURE CONTROL IN AN INTERNAL-COMBUSTION ENGINE
Publication
Application
Priority
DE 3539395 A 19851107
Abstract (en)
[origin: EP0221386A2] In this method, in which a performance graph spread out by operating variables (angle DK of throttle-valve position, rotational speed N) of the internal combustion engine gives an anticipatory- control variable which is decisive for the fuel quantity to be fed or injected and is influenced by at least one adaptively changeable correction variable (structural adaptation, global adaptation), it is proposed to limit the correction of the structural factor adaptation to a predetermined value per FSA learning cycle, and at the same time to establish a correction adaptation of the global factor (FGA) at a progressive grading many times finer. Furthermore, the adaptation (structural factor FSA and/or global factor FGA) is dynamically adjusted to the actual characteristic operating quantity ( lambda ) by the latter running in the grid of the increments of the regulating variable (Xr) of the lambda regulator (11). <IMAGE>
IPC 1-7
IPC 8 full level
F02D 41/34 (2006.01); F02D 41/14 (2006.01); F02D 41/24 (2006.01); F02D 45/00 (2006.01)
CPC (source: EP)
F02D 41/2454 (2013.01); F02D 41/248 (2013.01)
Citation (search report)
- [XP] EP 0191923 A2 19860827 - BOSCH GMBH ROBERT [DE]
- [A] EP 0152604 A1 19850828 - BOSCH GMBH ROBERT [DE]
- [X] US 4348727 A 19820907 - KOBAYASHI AKIO, et al
- [Y] EP 0145992 A2 19850626 - HITACHI LTD [JP]
- [A] US 4542730 A 19850924 - NAGASAWA SHIRO [JP], et al
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0221386 A2 19870513; EP 0221386 A3 19880817; EP 0221386 B1 19910918; DE 3539395 A1 19870514; DE 3681555 D1 19911024; JP S62150047 A 19870704
DOCDB simple family (application)
EP 86113946 A 19861008; DE 3539395 A 19851107; DE 3681555 T 19861008; JP 25709986 A 19861030