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.

Date of Patent:
Jul. 30, 2024

Filed:

Feb. 01, 2021
Applicant:

Hyosung Heavy Industries Corporation, Seoul, KR;

Inventor:

Hyo Chul Kwon, Suwon-si, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/042 (2006.01);
U.S. Cl.
CPC ...
G05B 19/0428 (2013.01); G05B 2219/2639 (2013.01);
Abstract

A method for securing the program safety of an HVDC system according to the present invention comprises the steps of: calculating, by a controller of the HVDC system, a BIOS program eigenvalue after loading a BIOS when power is applied; receiving, by the controller, a BIOS program eigenvalue of the controller prestored in a higher system of the controller; and comparing the BIOS program eigenvalue calculated in the controller and the BIOS program eigenvalue prestored in the higher system so as to identify whether or not the eigenvalues are identical and, if the eigenvalues are not identical, stopping execution of a program and notifying the higher system that the eigenvalues are not identical.


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