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Summary & Details

A Method for Time Error Correction in SIL Simulation

Delivery: Available on this site

Format: PDF

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

Publication code: 20266072

Paper/Info type: Proceedings (Autumn)

No.107-26

Pages: 1-4(Total 4 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: English

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) Kyungnam Kim, 2) Seungkyu Yoo, 3) Hyunrak Ko, 4) Sumin Park
Author(E)	1) Kyungnam Kim, 2) Seungkyu Yoo, 3) Hyunrak Ko, 4) Sumin Park
Affiliation(J)	1) Hyundai Autoever, 2) Hyundai Autoever, 3) Hyundai Autoever, 4) Hyundai Autoever
Affiliation(E)	1) Hyundai Autoever, 2) Hyundai Autoever, 3) Hyundai Autoever, 4) Hyundai Autoever
Abstract(E)	Precise time synchronization is crucial in Software-in-the-Loop (SIL) simulations. Conventional Sleep () functions lack microsecond accuracy, while Spinlock causes severe CPU degradation. This study proposes a hybrid time-delay method achieving 1-microsecond precision while maximizing CPU efficiency. It dynamically combines a low-cost timer (Sleep) with a high-cost timer (Spinlock). Using Welford's online algorithm, the system calculates the Sleep timer's statistical execution error in real-time. To save resources, it utilizes Sleep initially, transitioning to Spinlock only when the remaining wait time falls below the predicted error, effectively eliminating time discrepancies.

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