System and Software Testing in Automotive: an Empirical Study on Process Improvement Areas

Falcini, Fabio; Lami, Giuseppe

doi:10.1109/icst49551.2021.00035

2021 14th IEEE Conference on Software Testing, Verification and Validation (ICST) 2021

DOI: 10.1109/icst49551.2021.00035

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System and Software Testing in Automotive: an Empirical Study on Process Improvement Areas

Fabio Falcini

Giuseppe Lami

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2024

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Cited by 2 publications

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A Rapid Review on Advanced Software-in-the-Loop Methods for Automotive Software Verification

Pestana,

Miranda

2024

Anais Do IX Simpósio Brasileiro De Testes De Software Sistemático E Automatizado (SAST 2024)

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The V-cycle has been the primary software development methodology in the automotive sector. However, with the increasing complexity of software, both from an architectural and technological perspective, software verification has become inefficient compared to system verification. This inefficiency results in rework and increased costs due to late error detection. Software deemed functional during verification may prove ineffective when tested in the simulated vehicle environment, as development requirements are ever-expanding, and test simulation environments have not kept pace with this evolution. The simulation environments used in automotive development are based on a guided simulation approach, encompassing Model-in-the-Loop (MiL), Software-in-the-Loop (SiL), Processor-in-the-Loop (PiL), and Hardware-in-the-Loop (HiL) testing. These tests are conducted between system and software verification and must be used in conjunction to achieve comprehensive validation. To address inefficiencies in software verification, techniques such as MiL, SiL, and PiL are excellent techniques. SiL, in particular, plays an essencial role in simulating code before its integration into the system. This rapid review will discuss techniques that make simulations more representative of the real vehicle system, considering the electromechanical structure of sensors and actuators outlined in the software requirements, as well as the network of ECUs, which follows a distributed communication model.

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A Rapid Review on Advanced Software-in-the-Loop Methods for Automotive Software Verification

Pestana,

Miranda

2024

Anais Do IX Simpósio Brasileiro De Testes De Software Sistemático E Automatizado (SAST 2024)

View full text Add to dashboard Cite

show abstract

Reducing Rework in Automotive Software through Simulation-Guided Verification

Pestana,

Miranda

2024

Anais Do IX Simpósio Brasileiro De Testes De Software Sistemático E Automatizado (SAST 2024)

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The development of automotive software predominantly follows the V-cycle, where each development phase has a corresponding verification phase. However, integration verification, which considers system complexity, only occurs at the end of the cycle. This results in a disparity between software verification and system verification, where functionally validated code during development becomes dysfunctional during system verification. The lack of adequate preparation leads to significant rework, with algorithm errors being identified only at the end of the cycle, delaying the transition from development to the initial phase of the V-cycle and increasing both costs and time. This research initially explores multiple verification approaches. After analyzing their relevance to the addressed issue, the focus is placed on Simulation-Guided Verification, which has the potential to transform the V-cycle into a W-cycle or V-INC (Verification Incremental Cycle), by inserting in-loop verifications at each development phase. Techniques such as Model-in-the-Loop (MiL), Software-in-the-Loop (SiL), Processor-in-the-Loop (PiL), Hardware-in-the-Loop (HiL), and Virtual-in-the-Loop (ViL) are employed for continuous and iterative verifications, ensuring early fault detection and significantly reducing rework, thereby enhancing the efficiency of automotive software verification.

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System and Software Testing in Automotive: an Empirical Study on Process Improvement Areas

Cited by 2 publications

References 7 publications

A Rapid Review on Advanced Software-in-the-Loop Methods for Automotive Software Verification

A Rapid Review on Advanced Software-in-the-Loop Methods for Automotive Software Verification

Reducing Rework in Automotive Software through Simulation-Guided Verification

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