Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Shashvat Prakash"'
Publikováno v:
2023 IEEE Aerospace Conference.
Autor:
Katarina Vuckovic, Shashvat Prakash
Publikováno v:
Annual Conference of the PHM Society. 14
This paper evaluates the merits of a multi-variable Gaussian process regression (GPR) model for remaining useful life (RUL) estimation. The paper presents an optimization method that trains the GPR model to find the best kernel type and hyper-paramet
Publikováno v:
Annual Conference of the PHM Society. 14
Prognostic models, when feasible, are favored for avoiding unexpected maintenance. There is a need for a common language when discussing prognostic performance and behavior. The approach presented here considers model behavior in terms of two optimiz
Publikováno v:
2022 IEEE Aerospace Conference (AERO).
Autor:
Antoni Brzoska, Shashvat Prakash
Publikováno v:
Annual Conference of the PHM Society. 13
Component failures in complex systems are often expensive. The loss of operation time is compounded by the costs of emergency repairs, excess labor, and compensation to aggrieved customers. Prognostic health management presents a viable option when t
Publikováno v:
Journal of Computational and Nonlinear Dynamics. 6
Input shaping is an effective method for reducing oscillatory motion in linear systems. Many physical systems, however, exhibit discontinuous dynamics, such as saturation, rate limiting, backlash, and dead-zone. These hard nonlinearities can degrade
Publikováno v:
Volume 2: Turbo Expo 2007.
Lean, premixed combustion has been aggressively pursued in recent years because it offers a practical approach for reducing emissions of nitrogen oxides (NOx) from gas turbines. However, lean premixed flames pose a greater risk of blowout. Studies on
Publikováno v:
Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C.
Input shaping is an effective method for reducing oscillatory motion in linear systems. Many physical systems, however, exhibit discontinuous dynamics, such as saturation, rate limiting, backlash, and dead-zone. These hard nonlinearities can degrade
Publikováno v:
44th AIAA Aerospace Sciences Meeting and Exhibit.
Autor:
Ben T. Zinn, Shashvat Prakash, Thiruchenode Muruganandam, Tim Lieuwen, Jerry Seitzman, Yedidia Neumeier, Suraj Nair
Publikováno v:
43rd AIAA Aerospace Sciences Meeting and Exhibit.
§** †† This paper describes a method for detecting and preventing lean blow out (LBO) in a premixed, swirl stabilized combustor. The acoustic signal is filtered to detect localized extinction ‘events’, which increase in frequency as the flam