System for controlling a motor vehicle
First Claim
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1. A system for controlling a motor vehicle, comprising:
- a first device for processing data to control the motor vehicle, the first device receiving first data and determining second data based thereon in accordance with a predetermined test function;
a second device coupled to the first device for monitoring the first device, the second device receiving the first data and determining third data based thereon in accordance with the predetermined test function;
at least one of the first and second devices comparing the second data to the third data for detecting an error state based thereon;
the first device deliberately outputting erroneous second data at predetermined intervals in order to determine whether the second device is functioning properly.
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Abstract
A system for controlling a motor vehicle includes a first device for determining control data required for controlling the motor vehicle. A second device monitors the first device. The first device determines second data on the basis of first data, pursuant to a test function. The second device determines third data on the basis of the first data, pursuant to the same test function. The first and/or the second device recognizes an error state relevant to safety, dependent upon a comparison between the second data and the third data.
63 Citations
17 Claims
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1. A system for controlling a motor vehicle, comprising:
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a first device for processing data to control the motor vehicle, the first device receiving first data and determining second data based thereon in accordance with a predetermined test function; a second device coupled to the first device for monitoring the first device, the second device receiving the first data and determining third data based thereon in accordance with the predetermined test function; at least one of the first and second devices comparing the second data to the third data for detecting an error state based thereon; the first device deliberately outputting erroneous second data at predetermined intervals in order to determine whether the second device is functioning properly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification