Data-driven health assessment in flight control system

The aircraft critical system’s health state will affect flight safety dramatically, such as flight control system, and its health state awareness or assessment is very important to avoid flight accident. A data-driven health assessment based on fuzzy comprehensive evaluation and rough set reduction is proposed for flight control system. Through the working principle and failure mode analysis, the system’s characteristic parameters are constructed to represent health state, and then the comprehensive health index construction is proposed to quantify health state. In the end, case calculation based on some aircraft’s flight data is presented to show the effectiveness of the proposed method.