Data acquisition method
AssigneeInnio Jenbacher GmbH & Co OG
InventorsHerbert Kopecek, Klaus Zoeggeler, Markus Kroell, Thomas Weitzer, Moritz Froehlich
Life of this patent
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Abstract
A method for transmitting the cylinder pressure data of a plurality of cylinder pressure sensors to a central processing unit, characterized by the use of a communication system for isochronous data transmission comprising a data bus, whereby the plurality of cylinder pressure sensors and the central processing unit are connected via the data bus, whereby each of the plurality of cylinder pressure sensors are combined with a data acquisition unit and a data communication unit to form a measurement node, whereby the cylinder pressure data is transmitted from the measurement node to the central processing unit via a time-slot method.
Claims20
A method for transmitting cylinder pressure data of a plurality of cylinder pressure sensors to a central processing unit, the method comprising:
- using a communication system for isochronous data transmission comprising connecting the plurality of cylinder pressure sensors and the central processing unit via a data bus;
- combining each of the plurality of cylinder pressure sensors with a data acquisition unit and a data communication unit to form a measurement node;
- and transmitting the cylinder pressure data from the measurement node to the central processing unit via a time-slot method, wherein a cycle time of the time-slot method is selected to be smaller than a minimum achievable period of an internal combustion engine corresponding to a maximum speed of the internal combustion engine.
A communication system for isochronous data transmission comprising:
- a plurality of cylinders in an internal combustion engine;
- a plurality of cylinder pressure sensors;
- a data acquisition unit;
- a data communication unit;
- a measurement node formed by combining the plurality of cylinder pressure sensors with the data acquisition unit and the data communication unit;
- a data bus;
- and
- a central processing unit operable to receive cylinder pressure data from the measurement node via a time-slot method, with the central processing unit and the plurality of cylinder pressure sensors connected via the data bus, wherein a cycle time of the time-slot method is selected to be smaller than a minimum achievable period of an internal combustion engine corresponding to a maximum speed of the internal combustion engine.
A system, comprising:
- a central processing unit of an internal combustion engine, wherein the central processing unit is operable to receive cylinder pressure data via a time-slot method, wherein a cycle time of the time-slot method is smaller than a revolution of the internal combustion engine corresponding to a maximum speed of the internal combustion engine.
Dependencies are inferred from the claim text.