摘要:
A method and an arrangement for controlling an internal combustion engine are suggested wherein a pregiven number of cylinders are shut off for reducing consumption and for reducing toxic substances in predetermined operating conditions. To maintain the torque desired by the driver, a correction of the ignition angle and/or a control of the cylinders to be suppressed is undertaken especially in the transition phase to cylinder shutoff and when switching on the cylinders. This is in addition to a corresponding influencing of the charge.
摘要:
A device for determining the ignition-advance angle of an internal combustion engine, having a device for determining the ignition-advance angle from stored maps on the basis of the recorded parameters of the internal combustion engine, includes a knock control device. The additive ignition-advance angle adjustment defined in the knock control device is able to be added to the ignition-advance map angle to define a base ignition-advance angle. A setpoint torque interface is supplied with the base ignition-advance angle and, at its output, supplies a torque-optimized setpoint ignition-advance angle. The torque-optimized setpoint ignition-advance angle is routed to at least one downstream limiting stage, which limits the setpoint ignition-advance angle to a value that is acceptable for the operation of the internal combustion engine. The output ignition-advance angle is available at the output of the at least one limiting stage for controlling the ignition.
摘要:
A method for determining a gas charge of an internal combustion engine having an intake manifold. The intake manifold has a gas mixture, which is a fresh air/fuel mixture and an exhaust gas, and further has a gas mass flow from the intake manifold and an intake manifold pressure. The method includes the steps of determining a partial pressure of the fresh air/fuel mixture in the gas mass flow by setting up a mass balance for a fresh air/fuel mixture mass flow, determining a partial pressure of the exhaust gas in the gas mass flow by setting up a mass balance for an exhaust gas mass flow, and determining a gas mass flow via a throttle based on a function that depends on a temperature compensation factor, a pressure compensation factor and a factor depending on a ratio of a pressure downstream of the throttle to a pressure upstream of the throttle. The pressure downstream of the throttle corresponds to the intake manifold pressure.
摘要:
A method and an arrangement for controlling an internal combustion engine of a vehicle wherein a desired torque value is pregiven, this desired torque value being separated into at least two desired values. The desired values serve to adjust the charge of the internal combustion engine and at least one further power parameter, which effects a rapid torque change. The at least two desired values assume different values at least in one operating state.
摘要:
The invention is directed to a method and an arrangement for controlling a motor vehicle having a plurality of component systems. A first one of the component systems is a motor control system. An interface is defined between various ones of the component systems and faces toward the first component system. The interface operates on the basis of the torque generated by the motor. The component systems exchange data via the interface with respect to this torque for controlling the motor vehicle.
摘要:
The invention is directed to a method and an arrangement for controlling a motor vehicle having a plurality of component systems. A first one of the component systems is a motor control system. An interface position is defined between various ones of the component systems and faces toward the first component system. The interface position operates on the basis of the torque generated by the motor. The component systems exchange data via the interface position with respect to this torque for controlling the motor vehicle.
摘要:
A device for determining air entering cylinders of an internal combustion engine having a supercharger. The air is determined as a function of such quantities as rpm, air throughput in the intake manifold, throttle valve position values and temperature, characterized in that at least the following physical relationships are included in the determination: suction equation of the engine balancing equation for a filling in an intake manifold flow rate equation at a throttle valve balancing equation in a volume between the throttle valve and the supercharger.
摘要:
An internal combustion engine, in particular for a motor vehicle, includes a throttle arranged in an intake pipe, through which air can be fed to a combustion chamber. Furthermore, the internal combustion engine includes a valve arranged in an exhaust gas recirculation line, through which exhaust gas can be fed to the intake pipe. A first mass flow through the throttle can be determined by a control device. Furthermore, a second mass flow through the valve can be determined by the control device. Finally, a third mass flow fed to the combustion chamber can be determined by the control device from the first mass flow through the throttle and the second mass flow through the valve.
摘要:
The invention is directed to a method and an arrangement for controlling a motor vehicle having a plurality of component systems. A first one of the component systems is a motor control system. An interface position is defined between various ones of the component systems and faces toward the first component system. The interface position operates on the basis of the torque generated by the motor. The component systems exchange data via the interface position with respect to this torque for controlling the motor vehicle.
摘要:
A method for assessing an injection behavior of at least one injection valve of an internal combustion engine includes putting the internal combustion engine into a special operating mode defined by control parameters and operating the engine in the special operating mode during a diagnostic time period, at least one operating parameter of the internal combustion engine being determined at least during the diagnostic time period, and at least one quantity characterizing the injection behavior of the at least one injection valve being evaluated at least during a segment of the diagnostic time period and being evaluated on the basis of the at least one operating parameter.