Abstract: A method for compensating for mismatches of the precontrol of a fuel metering for an internal combustion engine. A regulation being superimposed on the precontrol. At least one correction quantity being formed, from the behavior of the regulation at high temperatures of the internal combustion engine, which influences the fuel metering even at low temperatures of the internal combustion engine in a supplementing manner to the superimposed regulation for compensating for the mismatches. At low temperatures a further correction quantity is formed which acts upon the fuel metering, whose effect at low temperatures of the internal combustion engine is greater than at high temperatures.

Abstract: A method is introduced for compensating for mismatches of the precontrol of a fuel metering for an internal combustion engine[,].A [−a] regulation being superimposed on the precontrol[,].At [− and at] least one correction quantity being formed, from the behavior of the regulation at high temperatures of the internal combustion engine, which influences the fuel metering even at low temperatures of the internal combustion engine in a supplementing [way] manner to the superimposed regulation for compensating for the mismatches[, and − at] At low temperatures a further correction quantity is formed which acts upon the fuel metering, and [−] whose effect at low temperatures of the internal combustion engine is greater than at high temperatures.

Abstract: A device for controlling an internal combustion engine having an arrangement for recording operating parameters of the internal combustion engine, such as engine speed, load, and coolant temperature; an arrangement for providing a signal related to a desired drive torque of the internal combustion engine (engine torque) as a function of the recorded performance quantities; and an arrangement for converting the engine torque into control signals for at least one of the variables air supply or fuel supply to the internal combustion engine, as a function of the coolant temperature toot and of a pre definable maximum allowable coolant temperature limit tom-tom, a torque control value being determined which ultimately determines the allowable engine torque.

Abstract: A device for controlling an internal combustion engine having an arrangement for recording operating parameters of the internal combustion engine, such as engine speed, load, and coolant temperature; an arrangement for providing a signal related to a desired drive torque of the internal combustion engine (engine torque) as a function of the recorded performance quantities; and an arrangement for converting the engine torque into control signals for at least one of the variables air supply or fuel supply to the internal combustion engine, as a function of the coolant temperature tmot and of a predefinable maximum allowable coolant temperature limit tmotmax, a torque control value being determined which ultimately determines the allowable engine torque.

Abstract: A method for controlling ignition in a multi-cylinder internal combustion engine, such that the control variables are determined on the basis of the parameters sensed by sensors, and such that after output of the control variables, a misfire monitoring operation is performed. After output of an ignition signal, the torque of the combustion event initiated by the ignition event is sensed and compared with an average of the torques of previous combustion events. If, in this context, a deviation of the currently sensed torque from the average of the torques of a definable number of previous combustion events which is greater than a definable threshold occurs, the misfire detection system is switched to inactive status.

Abstract: The invention relates to a learning control method for adjusting the composition of an operating mixture for an internal combustion engine. The method includes the steps of: detecting the actual value of the composition; forming a control variable as a function of the instantaneous deviation of the actual value from the desired value; logically coupling the control variable to a base value of an adjusting parameter of the composition and driving an actuator on the basis of the logically coupled value; and, learning of an additional intervention in the control loop from the performance of the control loop wherein the learning takes place at a speed which is at least dependent upon temperature.

Abstract: An ignition system for internal combustion engines includes a monitoring circuit (9) which is used for introducing appropriate emergency measures for protecting the catalyst in the case of faulty ignitions. The ignition system includes an evaluation device (10), which subjects the ignition-diagnostic signal (Zund OK) to statistical weighting and, when the weighted ignition-diagnostic value (ZUNTAB) exceeds a specified threshold, introduces appropriate measures, the evaluation being continued steadily so that if the value subsequently falls below the fault threshold (AFSDZU), correction is recognized and the emergency measures are withdrawn.

Abstract: The torque of an internal combustion engine is controlled during acceleration by monitoring differences between engine and wheel speed in order to provide a measure of phase differences in the event of the engine torque oscillating. The difference between the engine and wheel signals is integrated and fed to an ignition angle correction circuit in order to damp out the torque oscillations which would otherwise result.