Zobrazeno 1 - 10
of 105
pro vyhledávání: '"R.D. Irwin"'
Publikováno v:
IFAC Proceedings Volumes. 34:326-331
Aerospace engineering experiments are made accessible via internet for education purposes within a team of universities in Europe and Amerika. The students at the partner institutes perform by telematic techniques at their home university the experim
Publikováno v:
Scripta Materialia. 36:967-974
The aim of this study is to determine the feasibility of using acoustic emission as a monitoring technique for metal forging operations. From the sensor development paradigm proposed by McClean et al. the most likely approach to determining feasibili
Publikováno v:
Journal of Materials Engineering and Performance. 6:153-160
The demand for components made from hard-to-form materials is growing, as is the need to better understand and improve the control of metal forming equipment. Techniques are presented for developing accurate models and computer simulations of metal f
Autor:
E. A. Medina, A. Chaudhary, W. M. MulHns, R.D. Irwin, S. Venugopal, Raghavan Srinivasan, J.C. Malas, S. Medeiros, William G. Frazier
Publikováno v:
Journal of Materials Engineering and Performance. 5:743-752
A new process design method for controlling microstructure development during hot metal deformation processes is presented. This approach is based on modern control theory and involves state-space models for describing the material behavior and the m
Publikováno v:
Journal of Materials Engineering and Performance. 2:703-713
A new strategy for systematically calculating near optimal control parameters for hot deformation processes is presented in this article. This approach is based on modern control theory and involves deriving state-space models directly from available
Publikováno v:
IFAC Proceedings Volumes. 34:471-473
Since early in the 1990's, the control systems research group at Ohio University has been developing and operating a flexible-structure test facility called Flexlab, and the facility is now available for use via the World Wide Web. Using position and
Publikováno v:
IFAC Proceedings Volumes. 25:381-386
An iterative numerical algorithm for designing robust controllers using experimental data models is presented. This numerical approach has several advantages over standard analytical approaches. First, design constraints of many types can be specifie
Publikováno v:
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory.
The problem addressed in this paper concerns identification of the input-to-output characteristics of the space shuttle main engine high pressure oxidizer turbopump given measurements of the system output via strain gauges and accelerometers with no
Autor:
W.G. Frazier, R.D. Irwin
Publikováno v:
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory.
The results of applying an iterative numerical technique to the design of a multivariable linear control law for a large space structure test facility are presented. The technique is unique in the sense that only experimentally derived data is employ
Autor:
R.D. Irwin, D.A. Allwine
Publikováno v:
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory.
A process for preliminary characterization of an infrared multi-position sensor system is discussed. A partial map of the detection surface has been made in order to facilitate examination of other properties of the sensor. Noise and temperature char