No.1021E 2025Special Edition on Mobility Technologies Development of Backup Power Supply for Steer-by-Wire System (J-EPICS) without Mechanical Link |
| Category | TECHNICAL REPORTS |
|---|---|
| Author | D. INABA T. ISHIDA N. HAYASHI F. SATO BR Energy Solution Promotion Dept. T. HIBINO Advanced System Development Dept., Automotive Business Unit |
| Abstract | Autonomous driving has seen significant progress in recent years, and demand for such systems is expected to increase. This report explains developments in J-EPICS, a technology that combines compatibility with automated driving with the comfort of manual driving. This system must continue operating even if a failure occurs while driving. The system may stop if a vehicle power failure occurs, so it was necessary to supply power to enable safe evacuation. To achieve this, a BPS using high heat-resistance Lithium-ion capacitor (Libuddy) exclusively for J-EPICS was developed. |
| Keyword | SBW (steer-by-wire), lithium-ion capacitor, BPS (backup power supply), MCU (motor control unit), J-EPICS, Libuddy |
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