26 December 2001 Design of a smart optically controlled high-power switch for fly-by-light motor actuation systems
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Abstract
In avionic systems, data integrity and high data rates are necessary for stable flight control. Unfortunately, conventional electronic control systems are susceptible to electromagnetic interference (EMI) that can reduce the clarity of flight control signals. Fly-by-Light systems that use optical signals to actuate the flight control surfaces of an aircraft have been suggested as a solution to the EMI problem in avionic systems. Fly-by-Light in avionic systems reduces electromagnetic interference hence improving the clarity of the control signals. A hybrid approach combining a silicon photoreceiver module with a SiC power transistor is proposed. The resulting device uses a 5 mW optical control signal to produce a 150 A current suitable for driving an electric motor.
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Prashant Bhadri, Deepti Sukumaran, Samhita Dasgupta, Fred Richard Beyette, "Design of a smart optically controlled high-power switch for fly-by-light motor actuation systems", Proc. SPIE 4435, Wave Optics and VLSI Photonic Devices for Information Processing, (26 December 2001); doi: 10.1117/12.451140; https://doi.org/10.1117/12.451140
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