Cyber-Physical Codesign at the Functional Level for Multidomain Automotive Systems

Software-integrated multidomain automotive systems, which is also referred to as automotive cyber-physical systems (CPS) consist of various interacting domains (software, hardware, multiphysics, communication, etc.). Design decisions in one domain may completely change the constraints and requiremen...

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Published inIEEE systems journal Vol. 11; no. 4; pp. 2949 - 2959
Main Authors Jiang Wan, Canedo, Arquimedes, Al Faruque, Mohammad Abdullah
Format Journal Article
LanguageEnglish
Published IEEE 01.12.2017
Subjects
Automotive engineering
Computer architecture
Cyber-physical systems
cyber–physical codesign
design automation
functional model
Modeling
Process control
systems engineering
Systems engineering and theory
Online AccessGet full text
ISSN1932-8184
1937-9234
DOI10.1109/JSYST.2015.2472495

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Abstract Software-integrated multidomain automotive systems, which is also referred to as automotive cyber-physical systems (CPS) consist of various interacting domains (software, hardware, multiphysics, communication, etc.). Design decisions in one domain may completely change the constraints and requirements in the other domains, e.g., adding more functions in a modern automotive CPS may require changes to thousands of lines of software code or even the mechanical architecture. Existing CPS design methodologies are siloed in a specific domain and therefore have limited design space exploration capabilities because only one domain can be tested at a time. This paper presents a functional-level cyber-physical codesign methodology starting from the functional model of the CPS capable of concurrently expressing (multi-)physics and control in automotive applications. Moreover, we introduce a high-level synthesis algorithm capable of selecting a set of optimized system architectures using various executable simulation components and cost metrics. We demonstrate our methodology with a realistic automotive use case and explore various design alternatives for implementing the control systems in pure continuous domain (e.g., traditional automotive subsystems without engine control units) or hybrid domain (e.g., brake-by-wire, steer-by-wire, drive-by-wire, etc.) under power, performance, and reliability constraints.
AbstractList Software-integrated multidomain automotive systems, which is also referred to as automotive cyber-physical systems (CPS) consist of various interacting domains (software, hardware, multiphysics, communication, etc.). Design decisions in one domain may completely change the constraints and requirements in the other domains, e.g., adding more functions in a modern automotive CPS may require changes to thousands of lines of software code or even the mechanical architecture. Existing CPS design methodologies are siloed in a specific domain and therefore have limited design space exploration capabilities because only one domain can be tested at a time. This paper presents a functional-level cyber-physical codesign methodology starting from the functional model of the CPS capable of concurrently expressing (multi-)physics and control in automotive applications. Moreover, we introduce a high-level synthesis algorithm capable of selecting a set of optimized system architectures using various executable simulation components and cost metrics. We demonstrate our methodology with a realistic automotive use case and explore various design alternatives for implementing the control systems in pure continuous domain (e.g., traditional automotive subsystems without engine control units) or hybrid domain (e.g., brake-by-wire, steer-by-wire, drive-by-wire, etc.) under power, performance, and reliability constraints.
Author Al Faruque, Mohammad Abdullah
Canedo, Arquimedes
Jiang Wan
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SubjectTerms Automotive engineering
Computer architecture
Cyber-physical systems
cyber–physical codesign
design automation
functional model
Modeling
Process control
systems engineering
Systems engineering and theory
Title Cyber-Physical Codesign at the Functional Level for Multidomain Automotive Systems
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