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Summary & Details

Optimization and Development of a 48V Cooling Fan System with Direct Control Strategy Based on TMD Controller

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20265329

Paper/Info type: Proceedings (Spring)

No.76-26

Pages: 1-4(Total 4 p)

Date of publication: May 2026

Publisher: JSAE

Language: English

Event: 2026 JSAE Annual Congress (Spring)

Detailed Information

Author(J)	1) Chan-Woong Jo, 2) Ji-Wan Son
Author(E)	1) Chan-Woong Jo, 2) Ji-Wan Son
Affiliation(J)	1) Hyundai Motor, 2) Hyundai Motor
Affiliation(E)	1) Hyundai Motor, 2) Hyundai Motor
Abstract(E)	This paper proposes a method to optimize and directly control 48V cooling fan motors in vehicle thermal energy systems, replacing traditional 12V systems. The 48V system reduces power loss and is suitable for high-power loads. Through design optimization, it achieved a 4% efficiency improvement, 300g weight reduction, and 10mm thickness reduction. The Field-Oriented Control (FOC) method was applied for flexible adaptation to various motor specifications. Twenty control parameters were identified, and their effectiveness was validated through testing. This research is planned to be applied to future Software Defined Vehicle (SDV) development.

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