Quantitative metrics for validating the effectiveness of the model based approach for indigenously developed SWS/AIC system

The aim of this paper is to validate the effectiveness of model-based approach for the indigenously developed stall warning and aircraft interface computer system (SWS/AIC) by generating the software engineering process metrics and the development of the empirical relationship between the conventional and the model-based approach. The quantitative metrics for software analyzability, changeability, testability, stability, traceability, safety compliance, reliability, design time, de-bug time, upgrade time, reusability, readability, maintainability, modularity, reachability and availability is derived and generated for the two approaches to demonstrate the effectiveness of the model-based approach. The empirical relationship developed\ud helps in analyzing the reduction in effort for development of safety critical software using model-based approach. The metrics generated and the empirical relationship derived between the two approaches proves the effectiveness of the model-based approach over the conventional approach. The results of this work are encouraging for incorporation of the model-based approach for the design, development and verification and validation of safety critical systems