CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE FOR VEHICLE AND DEVICE THEREFOR

• Main Authors: ZHANG HONG DR, HESS WERNER
• Format: Patent
• Language: English
• Published: 17.02.1998
• Edition: 6
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To regulate only a filling rate, and regulate a real moment to a target moment by considering the setting of a mixture composition and the number of a shut-out cylinder, when a target filling value is calculated from a target moment value. SOLUTION: A target moment MIso11 , a rotational speed Nmot , a load r1 are read in S200, and referential values in relation to a referential ignition angle zwbase, a mixture composition and/or the number of shut-out cylinders are decided in S202. Moment correcting values (etazwbase), (etalambase), (etaredbase) in relation to an ignition angle, a mixture composition, and the number of the shut-out cylinders are decided from a prescribed efficiency characteristic curvature in S204, it is judged whether fuel is shut-out or not by coasting operation in S206, a minimum filling rate rlmin is decided from first and second characteristic curvatures f1, f2 in the case of 'YES' or 'NO' in S208, 210, and the product P of a moment correcting value is formed in S212. The quotient of the product P of a target moment and the moment is decided in $214, and the quotient is converted into a filling target value rlsolll by rotational sped and a prescribed characteristic curvature.