Browse Publications Technical Papers 2011-28-0045
2011-10-06

Integrated Test Process Management for Automotive Products 2011-28-0045

Delphi makes automotive electronic products and performs system testing as part of the product development process. The test engineering process model is based on ENG.10-System testing which adheres to A-SPICE (Automotive SPICE) standards. The model provides a sequence of testing activities, guarantees an agreed-upon quality of deliverables, provides opportunities to improve time and reduces cost by scaling test effort based on priority. System testing activities are performed based on predefined test method descriptions using an integrated tool chain.
System testing includes analysis of product requirements, test specification development, test execution and test reporting. An integrated tool chain supports all these and this paper describes them.
The tool chain includes IBM-DOORS® for requirement management which helps to establish bi-directional traceability between product requirements and test results. In addition, this supports configuration management of work products. The automation feature of the tool helps to save significant time and effort to generate requirements traceability matrix. The tool helps to monitor the status of various tasks involved in the testing process.
For test execution, NI-TestStand® is used. This executes the automated test scripts in a HIL (hardware-in-loop) test environment. The HIL test environment has the necessary simulation and measurement devices and instrumentation to perform system testing.
Delphi has developed an internal tool to interface DOORS and TestStand. This tool automatically converts system test specification in DOORS into executable TestStand sequences. It imports the test reports that are generated after executing TestStand scripts into DOORS. This helps to reduce time to generate traceability matrix and avoid human errors.

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