Method for plausibilizing a rail pressure sensor value
AssigneeRobert Bosch GmbH
InventorTobias HILLENBRAND
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Abstract
A method for plausibilizing a rail pressure sensor value of a rail pressure sensor of an internal combustion engine having a common rail system that has a fuel high-pressure piston delivery pump includes acquisition of the beginning of conveying by the piston delivery pump, calculation of the rail pressure from the compression work performed by the piston, and plausibilization of the rail pressure outputted by the rail pressure sensor on the basis of the calculated rail pressure.
Claims8
A method for plausibilizing a rail pressure sensor value of a rail pressure sensor of an internal combustion engine having a common rail system that has a fuel high-pressure piston delivery pump, the method comprising:
- acquiring a beginning of conveying by the piston delivery pump;
- calculating rail pressure from a compression work performed by a piston;
- and
- plausibilizing a rail pressure output by the rail pressure sensor based on the calculated rail pressure.
A machine-readable storage medium storing a computer program for plausibilizing a rail pressure sensor value of a rail pressure sensor of an internal combustion engine having a common rail system that has a fuel high-pressure piston delivery pump, the computer program, when executed by a control device of an internal combustion engine, causing the control device to perform the steps of:
- acquiring a beginning of conveying by the piston delivery pump;
- calculating rail pressure from a compression work performed by a piston;
- and
- plausibilizing a rail pressure output by the rail pressure sensor based on the calculated rail pressure.
A computer program product having program code that is stored on a machine-readable carrier, the program code for plausibilizing a rail pressure sensor value of a rail pressure sensor of an internal combustion engine having a common rail system that has a fuel high-pressure piston delivery pump, the computer program, when executed by a control device of an internal combustion engine, causing the control device to perform the steps of:
- acquiring a beginning of conveying by the piston delivery pump;
- calculating rail pressure from a compression work performed by a piston;
- and
- plausibilizing a rail pressure output by the rail pressure sensor based on the calculated rail pressure.
Dependencies are inferred from the claim text.