TY - GEN
T1 - Reliability analysis of aircraft servo-actuation systems based on the evidential networks with imprecise information
AU - Yang, Jianping
AU - Wen, Dunwei
AU - Huang, Hong Zhong
AU - Wan, Hu
AU - Sun, Rui
PY - 2011
Y1 - 2011
N2 - A servo-actuation system is one of the key executing subsystems of the flight control system of an aircraft. With the development of the fly-by-wire control systems, the redundant servo-actuation systems have been extensively applied. A servo-actuation system has a long life and high reliability, which results in the lack of experiment information. In the meantime, the available data is insufficient and imprecise during its product design stage. In this paper, the evidential networks or simply EN are adopted to handle the imprecise probabilities. The formulae of marginal belief mass for series and parallel systems are represented respectively. The basic reliability model and mission reliability model of a three-redundancy servo-actuation system in an aircraft flight control system are analyzed using the EN approach, respectively. The EN manage and quantify the imprecision of the servo-actuation effectively, and propagate the imprecision from the root nodes to the top nodes, which represent system reliability.
AB - A servo-actuation system is one of the key executing subsystems of the flight control system of an aircraft. With the development of the fly-by-wire control systems, the redundant servo-actuation systems have been extensively applied. A servo-actuation system has a long life and high reliability, which results in the lack of experiment information. In the meantime, the available data is insufficient and imprecise during its product design stage. In this paper, the evidential networks or simply EN are adopted to handle the imprecise probabilities. The formulae of marginal belief mass for series and parallel systems are represented respectively. The basic reliability model and mission reliability model of a three-redundancy servo-actuation system in an aircraft flight control system are analyzed using the EN approach, respectively. The EN manage and quantify the imprecision of the servo-actuation effectively, and propagate the imprecision from the root nodes to the top nodes, which represent system reliability.
KW - Dempster-Shafer evidence theory
KW - evidential networks
KW - imprecise probability
KW - reliability analysis
KW - servo-actuation system
UR - http://www.scopus.com/inward/record.url?scp=80052349372&partnerID=8YFLogxK
U2 - 10.1109/ICQR2MSE.2011.5976594
DO - 10.1109/ICQR2MSE.2011.5976594
M3 - Published Conference contribution
AN - SCOPUS:80052349372
SN - 9781457712326
T3 - ICQR2MSE 2011 - Proceedings of 2011 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering
SP - 187
EP - 194
BT - ICQR2MSE 2011 - Proceedings of 2011 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering
T2 - 2011 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering, ICQR2MSE 2011
Y2 - 17 June 2011 through 19 June 2011
ER -