Applying Active Diagnosis to Space Systems by On-Board Control Procedures

The instrumentation of real systems is often designed for control purposes and control inputs are designed to achieve nominal control objectives. Hence, the available measurements may not be sufficient to isolate faults with certainty and diagnoses are ambiguous. Active diagnosis formulates a planni...

Full description

Saved in:
Bibliographic Details
Published inIEEE transactions on aerospace and electronic systems Vol. 55; no. 5; pp. 2568 - 2580
Main Authors Chanthery, Elodie, Trave-Massuyes, Louise, Pencole, Yannick, De Ferluc, Regis, Dellandrea, Brice
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Active diagnosis
Aerodynamics
Aerospace electronics
and–or tree
Artificial Intelligence
automata
Automatic
Case studies
Computer Science
Control equipment
Control systems
Engineering Sciences
Fault diagnosis
hybrid systems
Mathematical model
on-board control procedures (OBCP)
Onboard equipment
Planning
Routers
Satellite-borne instruments
Satellites
Sensors
Software
space systems
SpaceWire
System effectiveness
Active Diagnosis
Hybrid Systems
Automata
On-Board Control Procedures
And-Or Tree
Space Systems
Planning
Spacewire
Online AccessGet full text

Cover

More Information
Summary:The instrumentation of real systems is often designed for control purposes and control inputs are designed to achieve nominal control objectives. Hence, the available measurements may not be sufficient to isolate faults with certainty and diagnoses are ambiguous. Active diagnosis formulates a planning problem to generate a sequence of actions that, applied to the system, enforces diagnosability and allows to iteratively refine ambiguous diagnoses. This paper analyzes the requirements for applying active diagnosis to space systems and proposes ActHyDiag as an effective framework to solve this problem. It presents the results of applying ActHyDiag to a real-space case study and of implementing the generated plans in the form of on-board control procedures. The case study is a redundant SpaceWire network where up to six instruments, monitored and controlled by the on-board software hosted in the satellite management unit, are transferring science data to a mass memory unit through SpaceWire routers. Experiments have been conducted on a real physical benchmark developed by Thales Alenia Space and demonstrate the effectiveness of the plans proposed by ActHyDiag.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2019.2923344