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Development of a Centralized Vehicle Integration Control Unit for Enhanced Fail-Operational.

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Title: Development of a Centralized Vehicle Integration Control Unit for Enhanced Fail-Operational.
Authors: Song, Jaemin1,2 (AUTHOR), Pyun, Beomjoon1 (AUTHOR), Bae, Sangmin1 (AUTHOR), Hwang, SoonMin2 (AUTHOR), Choi, Hyungjeen1 (AUTHOR) hjchoi@katech.re.kr
Source: International Journal of Automotive Technology. Jun2026, Vol. 27 Issue 3, p959-986. 28p.
Subjects: Fault-tolerant control systems, Cooperative control systems, Propulsion systems, Automobile steering, Brake systems, Software architecture
Abstract: This study proposes and evaluates a vehicle integration control unit (VICU) that enables cooperative control among braking, steering, and propulsion systems to enhance fail-operational capability of the vehicle chassis domains. The VICU adopts a centralized architecture that reallocates control authority across functional domains in the event of a fault, thereby improving vehicle stability and safety under degraded conditions. Although various fault-tolerant control strategies have been introduced in prior research, real-vehicle implementation of cross-domain cooperative control remains limited. To address this, a VICU-based integrated control platform was developed and applied to a vehicle under test (VUT). After verification in SILS and HILS environments, the platform was subjected to eight distinct fault scenarios, including braking actuator faults, steering sensor failures, and propulsion imbalance cases, to quantitatively assess dynamic stability responses. The results demonstrate that the VICU effectively maintained key performance indicators—such as yaw rate, lateral acceleration, and steering sensitivity—through cooperative control across domains under fault conditions. These findings validate the practical applicability of the proposed architecture for realizing fail-operational functionality in VUT-based testing, highlighting its ability to perform real-time control handover and cross-domain compensation across braking, steering, and propulsion systems. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Automotive Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193627992
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Development of a Centralized Vehicle Integration Control Unit for Enhanced Fail-Operational.
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  Data: <searchLink fieldCode="AR" term="%22Song%2C+Jaemin%22">Song, Jaemin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pyun%2C+Beomjoon%22">Pyun, Beomjoon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bae%2C+Sangmin%22">Bae, Sangmin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hwang%2C+SoonMin%22">Hwang, SoonMin</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Choi%2C+Hyungjeen%22">Choi, Hyungjeen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hjchoi@katech.re.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Automotive+Technology%22">International Journal of Automotive Technology</searchLink>. Jun2026, Vol. 27 Issue 3, p959-986. 28p.
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  Data: <searchLink fieldCode="DE" term="%22Fault-tolerant+control+systems%22">Fault-tolerant control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Cooperative+control+systems%22">Cooperative control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Propulsion+systems%22">Propulsion systems</searchLink><br /><searchLink fieldCode="DE" term="%22Automobile+steering%22">Automobile steering</searchLink><br /><searchLink fieldCode="DE" term="%22Brake+systems%22">Brake systems</searchLink><br /><searchLink fieldCode="DE" term="%22Software+architecture%22">Software architecture</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study proposes and evaluates a vehicle integration control unit (VICU) that enables cooperative control among braking, steering, and propulsion systems to enhance fail-operational capability of the vehicle chassis domains. The VICU adopts a centralized architecture that reallocates control authority across functional domains in the event of a fault, thereby improving vehicle stability and safety under degraded conditions. Although various fault-tolerant control strategies have been introduced in prior research, real-vehicle implementation of cross-domain cooperative control remains limited. To address this, a VICU-based integrated control platform was developed and applied to a vehicle under test (VUT). After verification in SILS and HILS environments, the platform was subjected to eight distinct fault scenarios, including braking actuator faults, steering sensor failures, and propulsion imbalance cases, to quantitatively assess dynamic stability responses. The results demonstrate that the VICU effectively maintained key performance indicators—such as yaw rate, lateral acceleration, and steering sensitivity—through cooperative control across domains under fault conditions. These findings validate the practical applicability of the proposed architecture for realizing fail-operational functionality in VUT-based testing, highlighting its ability to perform real-time control handover and cross-domain compensation across braking, steering, and propulsion systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of International Journal of Automotive Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1007/s12239-025-00358-x
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      – Code: eng
        Text: English
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        PageCount: 28
        StartPage: 959
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      – SubjectFull: Fault-tolerant control systems
        Type: general
      – SubjectFull: Cooperative control systems
        Type: general
      – SubjectFull: Propulsion systems
        Type: general
      – SubjectFull: Automobile steering
        Type: general
      – SubjectFull: Brake systems
        Type: general
      – SubjectFull: Software architecture
        Type: general
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      – TitleFull: Development of a Centralized Vehicle Integration Control Unit for Enhanced Fail-Operational.
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          Name:
            NameFull: Song, Jaemin
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            NameFull: Pyun, Beomjoon
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            NameFull: Bae, Sangmin
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            NameFull: Hwang, SoonMin
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            NameFull: Choi, Hyungjeen
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 27
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