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 www.ruetz-system-solutions.com experts in automotive data communication
Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits www.ruetz-system-solutions.com experts in automotive data communication 2
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 www.ruetz-system-solutions.com experts in automotive data communication 3
Motivation Typical Situation of Tier1 Suppliers Tier1 Supplier OEM Test Execution Test Execution Device Test Report Test Report K Requirem ents A ? Q B P Validation? C W D www.ruetz-system-solutions.com experts in automotive data communication 4
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 www.ruetz-system-solutions.com experts in automotive data communication 5
Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits www.ruetz-system-solutions.com experts in automotive data communication 6
Test House as a Service Role Allocation Tier1 Supplier OEM develops control units, specifies functionalities and verifies not test processes and tools the successful implementation Test House as a Service concentrates on detection of implementation errors and supports OEMs and suppliers with the integration www.ruetz-system-solutions.com experts in automotive data communication 7
Test House as a Service Test coverage Tier1 Supplier Test House as a Service 20% 100% New tests coverage 80% Tests available www.ruetz-system-solutions.com experts in automotive data communication 8
Test House as a Service Process Support Reliability through OEM Reporting Requirements • KPI • Req. mapping • Req. coverage % • Statistics Tier1 Supplier • Test reports • Tickets ECU Test House as a Development Service Test, Test Development Tester < -> Developer • Integrated in Tier1’s • Debug process • Effective feedback • Know-how • Reliability • Begin at early stage of ECU development • Scrum – if necessary • High quality www.ruetz-system-solutions.com experts in automotive data communication 9
Test House as a Service Statistics of test automation www.ruetz-system-solutions.com experts in automotive data communication 10
Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits www.ruetz-system-solutions.com experts in automotive data communication 11
Test Case Development Requirement Analysis, Review of Documents • Check of requirement definitions • Early identification Test Specification of incompleteness saves effort later com pile Test case definition Test Suite • Approved test specification process apply TCI TCI Test Management Test Management Component Component Handling Handling Control Control Behavior Behavior Components Components Codecs Codecs • Know-how and best practice Types, Data Types, Data Ports Ports Timer Timer TRI TRI System Adaptor System Adaptor Platform Adaptor Platform Adaptor System Under Test (SUT) System Under Test (SUT) • Including realistic use cases Execution • Experience from 15 years analyze of system integration testing Report www.ruetz-system-solutions.com experts in automotive data communication 12
Test Case Development Ruetz Building Blocks help to develop the missing test cases Test Case A MOST Compliance Test Case B Tests Test Case C RUETZ Test Suites and Test Cases Test Case XY Test Case XZ Minimum effort for 100% coverage RUETZ • Rational test automation Building Test Case YZ Blocks • Automation for regression tests for new • Focus on progress of ECU Test Cases development www.ruetz-system-solutions.com experts in automotive data communication 13
Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits www.ruetz-system-solutions.com experts in automotive data communication 14
Test Example How to test a complex behavior including • CAN-MOST Gateway • Timing CAN • DTC 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 www.ruetz-system-solutions.com experts in automotive data communication 15
Test Example MHP DUT ISO-TP Last Frame Frames with payload 00..FF ! ! All ISO-TP msgs in 1 MHP msg www.ruetz-system-solutions.com experts in automotive data communication 16
Agenda 1. Motivation 2. Test House as a Service 3. Test Case Development 4. Test Example 5. Benefits www.ruetz-system-solutions.com experts in automotive data communication 17
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 www.ruetz-system-solutions.com experts in automotive data communication 18
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 www.ruetz-system-solutions.com experts in automotive data communication 19
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 info@ruetz-system-solutions.com www.ruetz-system-solutions.com experts in automotive data communication 20
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