Process for operating an internal combustion engine, in particular of a motor vehicle
AssigneeRobert Bosch GmbH
InventorWinfried Langer
Life of this patent
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Abstract
An internal combustion engine, in particular for a motor vehicle, that is provided with a control unit for controlling and/or regulating the power output by the internal combustion engine as a function of performance quantities of the internal combustion engine and, in particular, as a function of a driver request is described. A permissible variation in output power over a predetermined period of time and an actual variation in output power over a corresponding predetermined period of time can be determined and compared to one another by the control unit.
Claims14
A method for detecting an error when operating an internal combustion engine, comprising the steps of:
- at least one of controlling and regulating output power by an internal combustion engine as a function of performance qualities of the internal combustion engine and a driver request;
- independently of the step of at least one of controlling and regulating, determining a permissible variation in the output power over a predetermined period of time and an actual variation, in the output power over a corresponding predetermined period of time, and comparing the permissible variation to the actual variation;
- and
- generating an error signal indicating a sensor error as a function of the comparison.
An internal combustion engine having a control unit for detecting an error when operating the internal combustion engine, the control unit:
- one of controlling and regulating output power of the internal combustion engine as a function of performance quantities of the internal combustion engine and a driver request;
- determining, independently of at least one of the control and the regulation of the output power, a permissible variation in the output power over a predetermined period of time and an actual variation in the output power over a corresponding predetermined period of time;
- comparing the permissible variation of the output power to the actual variation of the output power;
- and
- generating an error signal indicating a sensor error as a function of the comparison.
A method for detecting an error when operating an internal combustion engine of a motor vehicle, comprising:
- determining a permissible variation in output power of an internal combustion engine of a motor vehicle over a predetermined period of time and an actual variation in the output power over a corresponding predetermined period of time, and comparing the permissible variation to the actual variation;
- and
- providing an indication of a sensor error as a function of the comparison.
Dependencies are inferred from the claim text.