Implementation and verification of prognostics and health management system using a configurable system of systems architecture

摘要

The prognostics and health management (PHM) system has been proved to be effective in failure warning and logistic support for real engineering systems. Verification of the developed PHM systems before its deployment plays an essential role in ensuring PHM functions and avoiding unexpected mistakes. To meet multidisciplinary requirements in PHM systems as well as requirements for system configurability and extensibility, this paper proposes a distributed and universal platform for the implementation and verification of PHM system using a configurable system of systems (SoS) architecture. This architecture is achieved by defining different PHM functions as different systems, and then combines them using a common runtime infrastructure (RTI) which consists of the operation manager and the functional terminal driver. Client-server framework, object-oriented technology, hierarchical structure and self-description technology are applied in the construction of the platform to support the distributed architecture and the multidisciplinary system collaboration. An implementation and verification system for PHM of a spacecraft power system is developed in this paper to demonstrate the proposed platform.