5 September 2014 LPFG sensing network for distributed shape control
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In this paper, we discuss various aspects of the control and sensing in a flexible wing aircraft using embedded LPFG (Long Period Fiber Grating). Driven by the need to improve aerodynamic efficiency and reduce fuel burn, interest in light-weight structures for next generation aircraft has been on the rise. However, in order to fully exploit novel lightweight structures, there is a critical need for distributed sensing along the entire wing span and its integration with closed-loop control systems. A model of an LPFG sensor string embedded in an Euler-Bernoulli beam is proposed along with an associated control algorithm.
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Abraham K. Ishihara, Abraham K. Ishihara, Shahar Ben-Menahem, Shahar Ben-Menahem, Alex Kazemi, Alex Kazemi, Bernard Kress, Bernard Kress, Mykola Kulishov, Mykola Kulishov, } "LPFG sensing network for distributed shape control", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 920212 (5 September 2014); doi: 10.1117/12.2062377; https://doi.org/10.1117/12.2062377

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