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With the rapid advancement of vehicle electrification and intelligence, automotive functions are progressively expanding, leading to the evolution of automotive electronic and electrical architecture towards a centralized approach. This shift necessitates higher demands for system software in terms of reliability, scalability, portability, and development efficiency. Building upon the AUTOSAR standard for automotive open system architecture, this study presents a designed system software architecture for large bus electronic parking brake systems (EPB). Through module division and software layering using a bottom-up development method, agile development of multifunctional EPB modules is achieved. Leveraging automatic code generation technology, the software is integrated into the Renesas RH850 hardware platform to validate the application software functionality of the electronic parking brake system through real-world vehicle experiments. The experimental results demonstrate that the developed control software effectively realizes EPB functionality while meeting national standards and design requirements. Additionally, our proposed software development methodology enables decoupling between software and hardware components facilitating convenient upgrades, transplantation, and maintenance; thus confirming its effectiveness and feasibility in advancing the development process of electronic parking systems. These findings hold significant implications for achieving cost-effective and efficient automotive software development.

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Design and Implementation of Large Bus Electronic Parking System Based on Autosar

  • 会议论文

  • 发表日期：

    2026年

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  • Jin Yanlin,
  • Li Yinong,
  • Shu Hao,
  • ZhangYu,
  • Zheng Ling

摘要

With the rapid advancement of vehicle electrification and intelligence, automotive functions are progressively expanding, leading to the evolution of automotive electronic and electrical architecture towards a centralized approach. This shift necessitates higher demands for system software in terms of reliability, scalability, portability, and development efficiency. Building upon the AUTOSAR standard for automotive open system architecture, this study presents a designed system software architecture for large bus electronic parking brake systems (EPB). Through module division and software layering using a bottom-up development method, agile development of multifunctional EPB modules is achieved. Leveraging automatic code generation technology, the software is integrated into the Renesas RH850 hardware platform to validate the application software functionality of the electronic parking brake system through real-world vehicle experiments. The experimental results demonstrate that the developed control software effectively realizes EPB functionality while meeting national standards and design requirements. Additionally, our proposed software development methodology enables decoupling between software and hardware components facilitating convenient upgrades, transplantation, and maintenance; thus confirming its effectiveness and feasibility in advancing the development process of electronic parking systems. These findings hold significant implications for achieving cost-effective and efficient automotive software development.