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An adaptive damping control scheme based on the dual Youla parameterization is proposed in this paper for inter-area low frequency oscillations. First, a set of observer-based feedback controllers are pre-designed using robust control method for a set of nominal operating conditions. Second, the power system and controllers are parameterized using Youla method, respectively...
In conclusion, a novel type of widely wavelength-tunable and wavelength selectable semiconductor laser based on super compact grating is introduced. Initial fabrication result demonstrate the wide wavelength tuning range is illustrated. The attractive performance of the laser could lead to a powerful DWDM-on-Chip technology that offers attractive solutions for avionics photonics.
A wide temperature tunable laser packaging platform has been developed for avionic WDM LAN applications. The packaged tunable laser transmitter has successfully undergone 500 temperature cycles. It has a wide operating temperature range of -55degC to 95degC with a single mode fiber coupled output power of >1 mW. The transmitter can be directly modulated at 2.5 Gb/s and has 4-channel tunability...
Basis on stable fractional theory and state-space realization of generalized systems, the pole-placement problem are analyzed in a single generalized system stabilization at first. Then, parameterization of all simultaneous stabilizing controllers for a set of generalized plants has been proposed in term of stable inverses and stable null spaces, which is shown to have a structure similar to the controller...
A tunable distributed feedback (DFB) laser packaging platform has been developed for military avionic application. The packaged tunable DFB laser transmitter has successfully undergone 500 temperature cycles of initial testing based on MIL-STD-883 Method 1010. It has a wide operating temperature range of -55 degC to 95 degC with a single mode fiber coupled output power of >1 mW. The transmitter...
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