US Patent Issued to HITACHI ASTEMO on July 15 for "Electronic control apparatus and its fault detection method" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,554, issued on July 15, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).

"Electronic control apparatus and its fault detection method" was invented by Tadahiro Obara (Hitachinaka, Japan) and Yawara Kato (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An EPS control apparatus (2) having two electrical systems connected to external power supplies (6A, 6B) includes, in each electrical system, inverters (11A, 11B) driving a motor (1), control circuits (12A, 12B) controlling the inverters, and negative connectors (14A, 14B) connecting control system negative lines (18A, 18B) from a control system common ground (23) and drive s...