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Application of the Improved Incremental Nonlinear Dynamic Inversion in Fixed-Wing UAV Flight Tests
Publisher: ASCE
Abstract: Incremental nonlinear dynamic inversion shows good robustness and low dependence on the model information. In this study, incremental nonlinear dynamic inversion is improved and utilized to solve the six-degrees-of-freedom ...
Aerodynamic Optimization and Noise Reduction of a Two-Stage Series Compact Fan
Publisher: ASCE
Abstract: This paper focused on the aerodynamic optimization and noise reduction of a two-stage series compact fan. The space constraints of compact fans limit the design space, which poses several challenges to aerodynamic and noise ...
Neural Network Reentry Guidance for Reusable Launch Vehicle Based on Sample Dimensionality Reduction
Publisher: American Society of Civil Engineers
Abstract: In this paper, a neural network guidance based on sample dimension reduction is proposed for a reusable launch vehicle. Different from previous works, the training samples of neural networks use Pearson correlation matrix ...
Closure to “Comprehensive Load Test on Prestressed Concrete Piles in Alluvial Clays and Marl in Savannah, Georgia” by Yong Tan and Guoming Lin
Publisher: American Society of Civil Engineers
Numerical Investigation of Premature Stall in a Non-Tip-Loaded Rotor Caused by Circumferential Groove Casing Treatment
Publisher: ASCE
Abstract: Casing treatment design and application typically focus on improving stall margin while minimizing efficiency penalty for tip-loaded rotors. When successful casing treatment configurations are found, it often is assumed ...