Building Blocks for a Successful Verification Process of a Tier1 ECU MOST Forum, Stuttgart/Esslingen, May 13th, 2014 Dr.-Ing. Terezia Toth Head of Compliance Laboratory / Senior Consultant Engineer experts in automotive data communication www.ruetz-system-solutions.com Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits experts in automotive data communication 2 www.ruetz-system-solutions.com Motivation Tier1 supplier new to MOST Technology • No reference for benchmarking • Missing know-how (standards, OEM req.) • Tight time schedule of project Tier1 supplier needs fast ramp up • Know-how • Staff • Development • Quality management, test infrastructure experts in automotive data communication 3 www.ruetz-system-solutions.com Motivation Typical Situation of Tier1 Suppliers Tier1 Supplier Test Execution Test Execution OEM Device Test Report Test Report C D experts in automotive data communication ? W Validation? P B Q A K Requirements 4 www.ruetz-system-solutions.com Motivation Tier1 supplier needs Quality management • Simple method for system verification • Effective feedback reg. test results • Regular reporting to OEM • Project status • Key performance indicator Test infrastructure • Test equipment • 100% coverage of requirements • Regression tests • Test cases reg. robustness, availability and error handling experts in automotive data communication 5 www.ruetz-system-solutions.com Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits experts in automotive data communication 6 www.ruetz-system-solutions.com Test House as a Service Role Allocation Tier1 Supplier develops control units, not test processes and tools OEM specifies functionalities and verifies the successful implementation Test House as a Service concentrates on detection of implementation errors and supports OEMs and suppliers with the integration experts in automotive data communication 7 www.ruetz-system-solutions.com Test House as a Service Test coverage Tier1 Supplier Test House as a Service 20% New tests 80% experts in automotive data communication 100% coverage Tests available 8 www.ruetz-system-solutions.com Test House as a Service Process Support Reliability through Reporting • KPI • Req. mapping • Req. coverage % • Statistics • Test reports • Tickets OEM Requirements Tier1 Supplier ECU Development Test House as a Service Test, Test Development Tester <-> Developer • Debug • Effective feedback • Reliability • Scrum – if necessary experts in automotive data communication 9 • • • • Integrated in Tier1’s process Know-how Begin at early stage of ECU development High quality www.ruetz-system-solutions.com Test House as a Service Statistics of test automation experts in automotive data communication 10 www.ruetz-system-solutions.com Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits experts in automotive data communication 11 www.ruetz-system-solutions.com Test Case Development Requirement Analysis, Review of Documents • Check of requirement definitions • Early identification Test Specification of incompleteness saves effort later compile Test case definition Test Suite • Approved test specification process TCI TRI • Including realistic use cases Behavior Components Types, Data Ports Timer System Adaptor Codecs Component Handling • Know-how and best practice apply Test Management Control Platform Adaptor System Under Test (SUT) Execution • Experience from 15 years of system integration testing analyze Report experts in automotive data communication 12 www.ruetz-system-solutions.com Test Case Development Ruetz Building Blocks help to develop the missing test cases Test Case A Test Case B MOST Compliance Tests Test Case C Test Case XY Test Case XZ Test Case YZ RUETZ Test Suites and Test Cases RUETZ Building Blocks for new Test Cases experts in automotive data communication Minimum effort for 100% coverage • Rational test automation • Automation for regression tests • Focus on progress of ECU development 13 www.ruetz-system-solutions.com Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits experts in automotive data communication 14 www.ruetz-system-solutions.com Test Example How to test a complex behavior including • CAN-MOST Gateway • Timing • DTC CAN UDS ISO TP MOST DUT MHP trigger simulation error injection timing analysis Tester • Adapter for the OEM specific OBD tool • Use of Ruetz Building Blocks: UDS, ISO TP, CAN, MHP experts in automotive data communication 15 www.ruetz-system-solutions.com Test Example MHP DUT ISO-TP Last Frame Frames with payload 00..FF ! ! All ISO-TP msgs in 1 MHP msg experts in automotive data communication 16 www.ruetz-system-solutions.com Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits experts in automotive data communication 17 www.ruetz-system-solutions.com Benefits Confidence through transparency • Initial tests ready for execution on demand at Test House • Testing of DUT variants without any delay • Well-approved Tools and Processes • Professional Training, Support and Maintenance • Tests can be executed in-house at Tier1 ECU meets OEM and MOSTCO requirements experts in automotive data communication 18 www.ruetz-system-solutions.com Benefits Documented project state to any given time • Considered requirements • Mapping of requirements and test cases • Tickets • State of the test case development • State of the change requests • State of the DUT Project can be monitored and conducted precisely by Tier1 experts in automotive data communication 19 www.ruetz-system-solutions.com Thank you for your attention! Dr.-Ing. Terezia Toth Walter-Gropius-Straße 17 80807 München Germany T +49 / 89 / 200 04 13-0 F +49 / 89 / 200 04 13-99 [email protected] experts in automotive data communication 20 www.ruetz-system-solutions.com
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