【正文】
ABB Page 16 Summary ? In this module ? Safety software is more about the process of softwre development than the software itself ? Systematic approach via Vmodel ? Measure to control and avoid failueres need to be applied 169。 ABB Page 14 Vmodel ? Summary of the Vmodel ? Left branches represent specification, design and coding ? Right branches represent test and verification phases ? Feedback between phases s required ? Design and test are linked via verification activities 169。 Integration test Integr amp。 Descriptions Type Test Plan amp。 ABB Page 13 Lifecycle concept – ABB product development Implementation Verification G3 G4 G5 Planning G2 G0 G1 Review Records Design Descr System Design Component Design Requirements Analysis Implementation Function Spec Design Descr Code amp。 ABB Page 11 Fault Free Software ? How do we do that ? ? Consider software engineering practices and quality assurance ? Select appropriat