Fault isolation using on-board diagnostic (OBD) capability data

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12175813
APP PUB NO 20240013594A1
SERIAL NO

18371183

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system is configured to store a relationship data set of a plurality of diagnostic estimators and a plurality of failure modes, each failure mode represents a type of failure that can occur with a sensor or a vehicle component of a vehicle system, each diagnostic estimator is associated with a respective subset of the failure modes, each subset defines a control space within the vehicle system that contains at least one of (i) one or more sensors or (ii) one or more vehicle components. The system is configured to store a healthy diagnostic vector regarding nominal operational parameters of the vehicle system; acquire diagnostic information regarding current operational parameters of the vehicle system to generate an error diagnostic vector; apply the error diagnostic vector to the healthy diagnostic vector to generate a ratio diagnostic vector; and apply the ratio diagnostic vector to generate a value for each failure mode.

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Patent Owner(s)

  • CUMMINS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brahma, Avra Fishers, US 34 102
Diwakar, Abraham Jeffrey Columbus, US 4 8
Greis, Timothy J Columbus, US 3 1
Haas, Michael Columbus, US 121 1539
Henderson, Gregory H Columbus, US 19 425
Kidd, Adam W Indianapolis, US 11 20
Kocher, Lyle E Whiteland, US 18 53
Mohan, Krithika Columbus, US 6 3
Schmalz, de Bernardi Marcela Columbus, US 3 1
Smith, Daniel J Columbus, US 119 3279
Tricaud, Christophe Columbus, US 8 35
Vemuri, Ananth Columbus, US 6 4
Yarrabikki, Easwar Columbus, US 4 1

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