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Design of unknown input functional observers for nonlinear systems with application to fault diagnosis

หน่วยงาน Central Queensland University, Australia

รายละเอียด

ชื่อเรื่อง : Design of unknown input functional observers for nonlinear systems with application to fault diagnosis
นักวิจัย : Teh, Poh Sim. , Trinh, Hieu Minh.
คำค้น : Actuators. , Pure basic research. , 970109 Expanding Knowledge in Engineering. , 090602 Control Systems, Robotics and Automation. , Nonlinear systems. , Nonlinear Lipschitz systems -- Fault detection and isolation -- Unknown inputs -- Disturbances -- Functional observers -- Residual generation , Journal Article. Refereed, Scholarly Journal
หน่วยงาน : Central Queensland University, Australia
ผู้ร่วมงาน : -
ปีพิมพ์ : 2556
อ้างอิง : http://hdl.cqu.edu.au/10018/974045
ที่มา : Teh, PS & Trinh, H 2013, 'Design of unknown input functional observers for nonlinear systems with application to fault diagnosis', Journal of Process Control, vol. 23, no. 8, pp. 1169-1184, http://dx.doi.org/10.1016/j.jprocont.2013.06.013
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Journal of process control. Netherlands : Elsevier, 2013. Vol. 23, no. 8 (2013), p. 1169-1184 16 pages Refereed 0959-1524 1873-2771 (online) , ACQUIRE [electronic resource] : Central Queensland University Institutional Repository.
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

This paper considers the design of low-order unknown input functional observers for robust fault detection and isolation of a class of nonlinear Lipschitz systems subject to unknown inputs. The proposed functional observers can be used to generate residual signals to detect and isolate actuator faults. By using the generalized inverse approach, the effect of the unknown inputs can be decoupled completely from the residual signals. Conditions for the existence and stability of reduced-order unknown input functional observer are derived. A design procedure for the generation of residual signals to detect and isolate actuator faults is presented using the proposed unknown-input observer-based approach. A numerical example is given to illustrate the proposed fault diagnosis scheme in nonlinear systems subject to unknown inputs.

บรรณานุกรม :
Teh, Poh Sim. , Trinh, Hieu Minh. . (2556). Design of unknown input functional observers for nonlinear systems with application to fault diagnosis.
    กรุงเทพมหานคร : Central Queensland University, Australia.
Teh, Poh Sim. , Trinh, Hieu Minh. . 2556. "Design of unknown input functional observers for nonlinear systems with application to fault diagnosis".
    กรุงเทพมหานคร : Central Queensland University, Australia.
Teh, Poh Sim. , Trinh, Hieu Minh. . "Design of unknown input functional observers for nonlinear systems with application to fault diagnosis."
    กรุงเทพมหานคร : Central Queensland University, Australia, 2556. Print.
Teh, Poh Sim. , Trinh, Hieu Minh. . Design of unknown input functional observers for nonlinear systems with application to fault diagnosis. กรุงเทพมหานคร : Central Queensland University, Australia; 2556.