Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Jason R. Kolodziej"'
Autor:
Jason R. Kolodziej, Jacob Chesnes
Publikováno v:
Annual Conference of the PHM Society. 13
This paper presents a vibration-based condition monitoring approach for early assessment of valve wear in an industrial reciprocating compressor. Valve seat wear is a common fault mode that is caused by repeated impact and accelerated by chatter. See
Publikováno v:
Volume 5: Biomedical and Biotechnology.
Cardiac related diseases are a common health risk for adults. Consequently, therapies such as heart transplants and medication exist to treat these ailments. Heart transplants remain the gold standard for treating severe heart failure, however, left
Autor:
Jason R. Kolodziej, John N. Trout
Publikováno v:
Journal of Vibration and Control. 24:4433-4448
This work presents the development of a vibration-based condition monitoring method for early detection and classification of valve wear within industrial reciprocating compressors through the combined use of time-frequency analysis with image-based
Publikováno v:
Annual Conference of the PHM Society. 10
This paper investigates and analyzes the wear on an end mill cutting tool. Current tool condition monitoring systems lack efficient and effective fault prediction and diagnosis. To achieve adoption in the machining industry, condition monitoring must
Publikováno v:
Annual Conference of the PHM Society. 10
This paper studies the acoustic signals of left ventricular assist devices (LVADs) as it relates to machine health. Current LVAD condition monitoring requires examination from trained medical professionals, and is both inefficient and roughly-prognos
Autor:
Anthony J. Chirico, Jason R. Kolodziej
Publikováno v:
SAE International Journal of Aerospace. 5:494-502
Autor:
D. Joseph Mook, Jason R. Kolodziej
Publikováno v:
Nonlinear Dynamics. 63:735-753
A complete methodology for robust nonlinear system identification is derived and illustrated through example. A proven state estimation algorithm is utilized in conjunction with a modified version of a stepwise regression approach to successfully det
Autor:
Jason R. Kolodziej, John P. Nolan
Publikováno v:
Journal of Power Sources. 195:4743-4752
This work develops an 8th order, non-linear thermal model of an automotive proton exchange membrane (PEM) fuel cell system. Subsystem models are developed from first principals where ever possible and validated against data from a physical system. Th
Autor:
Jason R. Kolodziej, William Craig
Publikováno v:
Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications.
Growing interest in using Electromechanical Actuators to replace current hydraulic actuation methods on aircraft control surfaces has driven significant research in the area of prognostics and health management. Non-stationary speeds and loads in the
Autor:
Jason R. Kolodziej
Publikováno v:
Journal of Fuel Cell Science and Technology. 4:255-260
The purpose of this paper is to present a nonlinear control method for accurately maintaining coolant temperature within a proton exchange membrane (PEM) fuel cell stack by controlling coolant flow rate. Due to the current sensitive nature of the mem