The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2023
Filed:
Nov. 03, 2021
Analog and digital co-design techniques to mitigate non-invasive spoofing attack on magnetic sensors
The Regents of the University of California, Oakland, CA (US);
Mohammad Abdullah Al Faruque, Irvine, CA (US);
Anomadarshi Barua, Irvine, CA (US);
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US);
Abstract
A structure for magnetic flux sensor conditioning is presented which partitions an input analog signal of unknown integrity into two: susceptible and insusceptible. The structure scrutinizes the susceptible signal partition, in view of additional guard sensor information, through a mixed-signal processing side-chain that employs a non-invasive physical magnetic attack detection algorithm. The side-chain either validates, or replaces with a best estimate, the susceptible signal partition, depending upon the absence or presence of attack, respectively. The structure finally recombines the scrutinized susceptible signal partition with the insusceptible signal partition. The result is an analog magnetic flux sensor signal that is robust against skillful, surreptitious, spoofing attacks. If unmitigated, such attacks may induce catastrophic consequences into systems relying upon the magnetic flux sensor.