135,016 research outputs found
John H. Rogers family collection, 1830-1905
No full textThis collection contains personal letters, land deeds, and speeches of the Rogers family, including John H. Rogers, Horace Rogers, and Josephine Jackson.John H. Rogers family collection, 1830-190
Control and Filtering for Discrete Linear Repetitive Processes with H infty and ell 2--ell infty Performance
No full textRepetitive processes are characterized by a series of sweeps, termed passes, through a set of dynamics defined over a finite duration known as the pass length. On each pass an output, termed the pass profile, is produced which acts as a forcing function on, and hence contributes to, the dynamics of the next pass profile. This can lead to oscillations which increase in amplitude in the pass to pass direction and cannot be controlled by standard control laws. Here we give new results on the design of physically based control laws for the sub-class of so-called discrete linear repetitive processes which arise in applications areas such as iterative learning control. The main contribution is to show how control law design can be undertaken within the framework of a general robust filtering problem with guaranteed levels of performance. In particular, we develop algorithms for the design of an H? and dynamic output feedback controller and filter which guarantees that the resulting controlled (filtering error) process, respectively, is stable along the pass and has prescribed disturbance attenuation performance as measured by and – norms
Testimony of E. H. Rogers
No full textCondition: GoodA witness for the Mill, E. H. Rogers, Superintendent of the Fulton Bag and Cotton Mills, discusses working conditions in the Mill, labor organization, and employment policies of the Mill
Letter from Mrs. H. M. Clapp, Albany, New York, to Mrs. E. F. Rogers, June 9, 1882
No full textA letter written by Mrs. H. M. Clapp of Albany, New York, to Mrs. Rogers wishing her well though they may never meet again
H∞ and guaranteed cost control of discrete linear repetitive processes
No full textRepetitive processes are a distinct class of 2D systems (i.e. information propagation in two independent directions) of both systems theoretic and applications interest. In general, they cannot be controlled by direct extension of existing techniques from either standard (termed 1D here) or 2D systems theory. Here first we give major new results on the design of control laws using an H∞ setting and including the possibility of uncertainty in the process model. Then we give the first ever results on guaranteed cost control, i.e. including a performance criterion in the design. The designs in both cases can be computed using linear matrix inequalities. These results are for so-called discrete linear repetitive processes which arise in applications areas such as iterative learning control
Interview of Nancy H. Rogers by Evelyn Freeman
No full textInterview conducted at The Ohio State University Archives, Columbus, Ohio.Nancy H. Rogers began her career at Ohio State in 1975 as a Visiting Assistant Professor of Law. She became an Assistant Professor in 1976 in Ohio State's College of Law. Rogers discusses her time as a law professor and her experiences in the posts of Vice Provost for Academic Administration (assumed in 1999), and of Dean (assumed in 2001). Rogers also served as Attorney General for the State of Ohio (assumed in 2008). She retired from her faculty position in 2012. Rogers discusses her law career before her time teaching at Ohio State, including the public controversy she experienced when she became the first female law clerk to a Federal District Judge in the Northern District of Ohio. Rogers also was the first female to serve as Dean of Ohio State's College of Law
Brief von Bruce Rogers an H. L. Schollick
No full textBRIEF VON BRUCE ROGERS AN H. L. SCHOLLICK
Brief von Bruce Rogers an H. L. Schollick ([1]
Comments on 'On the equivalence of causal LTI iterative learning control and feedback control
No full textThe area of Iterative Learning Control (ILC) now has a large and increasing body of research with an increasing number of applications (supported by a sizable number of actual experimental verification studies). The paper by Goldsmith (Automatica, 38, pp.~703-708) contains a number of assumptions and technical errors that invalidate its conclusion that normal feedback control is preferable to causal ILC, and the purpose of this note is to state the problems with this paper and clearly articulate the technical and practical validity of the ILC concept
Letter from I. C. Rogers to S. B. Simmons; Report of William H. Gray
No full textLetter from I. C. Rogers to S. B. Simmons, concerning reports. Letter encloses report of William H. Gray for his project program for the year 1937-1938
Waldo H. Rogers Letters 1
No full textApology letter from jailed William Rogers to his cousins/victims Albert & Helen. Link to item in Center for Southwest Research: MSS 214 BC Box 8 Bundle 18https://digitalrepository.unm.edu/oer_letters/1010/thumbnail.jp
- …
