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Automotive software validation is getting impacted because of the complex software and architecture requirements for SDV (Software-defined Vehicle). The mature automotive software development process which was well suited for traditional architectures is inherently posing challenges or restrictions in the adoption of new methodologies which were not a part of the earlier process. Continuing with the pre-SDV validation approach is causing further delay in SOP (start of production) for SDVs.
SDV architecture is complex to decide and far more complex to validate. The increase in software applications with complex and dynamic deployment makes software validation exceedingly difficult. Validation of future software updates adds to the burden. Let us analyze the factors that increase the complexity. Firstly, the presence of multiple heterogeneous software and hardware components in a vehicle increases the overall test scenarios by more than 3 times. Multiple domains such as AD/ADAS, Infotainment, Connected Solutions with high software complexity are integrated into a single High-performance chipset (HPC) which in turn consists of different middleware, operating system, and network components. Each of these should also be validated independently in context of architectural constraints, compatibility, and integration.
Secondly, analysis & isolation of issues is even harder and even more time consuming due to increased interaction & integration points within the diverse components. The North to South (N2S) and South to South (S2S) communication between the HPC and the multiple zonal ECUs (electronic control units) comes with unprecedented architectural/ network constraints and scenarios.
Thirdly, the test strategy has been tightly defined around Real ECU. Test setup being available only very near-to-finalized architecture for SDVs is too late given the presence heterogeneous components and increased interactions between them. Also, OEMs (Original Equipment Manufacturers) are getting into supplier contracts for hardware with a substantial amount of uncertainty unlike when software development happened for traditional architecture.
Thus, with the traditional V cycle approach the OEMs are faced with the following challenges which are pushing the SOP timelines by more than 2 years.
OEMs need to build a comprehensive test strategy covering all available technology options from Virtual, Reference hardware to Real ECU. Below is a potential list of components that need to be considered to build such a strategy
KPIT innovations will help OEMs make their validation strategy SDV ready by creating an integrated test coverage across E/E architecture, vehicle network, platform, multiple domains, and the vehicle. KPIT provides the complete spectrum of platforms and accelerators in the SDV validation process including the components mentioned earlier in virtual engineering, multi- domain system validation, Reference SDV architecture and network testing in the pre-SOP phase. Moreover, we help OEMs focus on seamless orchestration of tools, infrastructure (physical and virtual), formulating an integrated Strategy from CI/CD to Virtual to Physical Validation and creating an early roadmap for program-level implementation.
Chief Technology Officer and Board Member
KPIT Technologies
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KPIT Technologies is a global partner to the automotive and Mobility ecosystem for making software-defined vehicles a reality. It is a leading independent software development and integration partner helping mobility leapfrog towards a clean, smart, and safe future. With 11000+ automobelievers across the globe specializing in embedded software, AI, and digital solutions, KPIT accelerates its clients’ implementation of next-generation technologies for the future mobility roadmap. With engineering centers in Europe, the USA, Japan, China, Thailand, and India, KPIT works with leaders in automotive and Mobility and is present where the ecosystem is transforming.
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