Identification and control of a flexible beam using modal domain sensor

David E. Cox; Douglas K. Lindner; Charles Zachary Furness; Stanjoe Bingulac

doi:10.1117/12.24853

1 December 1990 Identification and control of a flexible beam using modal domain sensor

David E. Cox, Douglas K. Lindner, Charles Zachary Furness, Stanjoe Bingulac

Proceedings Volume 1370, Fiber Optic Smart Structures and Skins III; (1990) https://doi.org/10.1117/12.24853
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

In this paper we discuss the use of a distributed-effect modal domain optical fiber sensor (MD sensor) as a component in an active control system to suppression vibrations in a flexible beam. We integrate the sensor model into the model for a flexible structure. Based on this system model, a control system with a dynamic compensator is designed to add damping to the low order modes of the flexible structure. To verify the modeling procedure a cantilevered beam was instrumental with a piezoelectric actuator and an MD sensor. It is shown that experimental responses closely match simulated responses for both open ioop and closed loop tests.

Citation Download Citation

David E. Cox, Douglas K. Lindner, Charles Zachary Furness, and Stanjoe Bingulac "Identification and control of a flexible beam using modal domain sensor", Proc. SPIE 1370, Fiber Optic Smart Structures and Skins III, (1 December 1990); https://doi.org/10.1117/12.24853

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