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How To Compute Offsets Without Self-Intersection, Ching-Shoei Chiang, Christoph M. Hoffmann, Robert E. Lynch Oct 1991

How To Compute Offsets Without Self-Intersection, Ching-Shoei Chiang, Christoph M. Hoffmann, Robert E. Lynch

Department of Computer Science Technical Reports

No abstract provided.


Stability Criteria For Yet Another Multidimensional Distributed System, Leonidas Georgiadis, Wojciech Szpankowski Sep 1991

Stability Criteria For Yet Another Multidimensional Distributed System, Leonidas Georgiadis, Wojciech Szpankowski

Department of Computer Science Technical Reports

No abstract provided.


Shortest Path Computations In S-Graphs, Greg N. Frederickson, Susanne E. Hambrusch, Hung-Yi Tu Sep 1991

Shortest Path Computations In S-Graphs, Greg N. Frederickson, Susanne E. Hambrusch, Hung-Yi Tu

Department of Computer Science Technical Reports

No abstract provided.


Journal Jumble, Jerry Seay, Patricia Seay Sep 1991

Journal Jumble, Jerry Seay, Patricia Seay

Against the Grain

No abstract provided.


Journal Identification, Sandra K. Paul Sep 1991

Journal Identification, Sandra K. Paul

Against the Grain

No abstract provided.


Some Journal Economics, Barbara Meyers Sep 1991

Some Journal Economics, Barbara Meyers

Against the Grain

No abstract provided.


Computer Viruses And Ethics, Eugene H. Spafford Aug 1991

Computer Viruses And Ethics, Eugene H. Spafford

Department of Computer Science Technical Reports

No abstract provided.


Consensual Neural Networks, Jon A. Benediktsson, Okan K. Ersoy, Philip H. Swain Aug 1991

Consensual Neural Networks, Jon A. Benediktsson, Okan K. Ersoy, Philip H. Swain

Department of Electrical and Computer Engineering Technical Reports

A new neural network architecture is proposed and applied in classification of data from multiple sources. The new architecture is called a consensual neural network and its relation to hierarchical and ensemble neural networks is discussed. The consensual neural network architecture is based on statistical consensus theory and involves using non-linearly transformed input data. The input data are transformed several times and the different transformed data are applied as if they were independent inputs. The independent inputs are classified using stage neural networks and the 0utputs from the stage networks are then weighted and combined to make a decision. Experimental …


Dynamical Variable Structure Control Of A Helicopter In Vertical Flight, Hebertt Sira-Ramirez, Mohamed Zribi, Shaheen Ahmad Aug 1991

Dynamical Variable Structure Control Of A Helicopter In Vertical Flight, Hebertt Sira-Ramirez, Mohamed Zribi, Shaheen Ahmad

Department of Electrical and Computer Engineering Technical Reports

In this article, a dynamical multivariable discontinuous feedback control strategy of the sliding nlode type is proposed for the altitude stabilization of a nonlinear helicopter model in vertical flight. Vlrhile retaining the basic robustness features associated to sliding mode control policies, the proposed approach also results in smoothed out (i.e., non-chattering) input trajectories and controlled state variable responses.


Adaptive Dynamical Feedback Regulation Strategies For Linearizable Uncertain Systems, Hebertt Sira-Ramirez, Mohamed Zribi, Shaheen Ahmad Aug 1991

Adaptive Dynamical Feedback Regulation Strategies For Linearizable Uncertain Systems, Hebertt Sira-Ramirez, Mohamed Zribi, Shaheen Ahmad

Department of Electrical and Computer Engineering Technical Reports

In this paper we address the design of adaptive dynamical feedback strategies of the continuous and discontinuous, types for the output stabilization of nonlinear systems. The class of systems considered corresponds to nonlinear controlled systems exhibiting linear parametric uncertainty. Dynamical feedback controllers, ideally achieving output stabilization via exact linearization, are obtained by means of repeated output differentiation and, either, pole placement, or, sliding mode control techniques. The adaptive versions of the dynamical stabilizing controllers are then obtainable through standard, direct, overparamemzed adaptive control strategies available for linearizable systems. Illustrative examples are provided which deal with the regulation of electromechanical systems.


Collision Detection And Analysis In A Physically Based Simulation, William J. Bouma, George Vanĕček Jul 1991

Collision Detection And Analysis In A Physically Based Simulation, William J. Bouma, George Vanĕček

Department of Computer Science Technical Reports

No abstract provided.


Type Reconstruction For Coercion Polymorphism (Technical Summary), Ryan Stansifer, Dan Wetklow Jul 1991

Type Reconstruction For Coercion Polymorphism (Technical Summary), Ryan Stansifer, Dan Wetklow

Department of Computer Science Technical Reports

No abstract provided.


Selective Inheritance And Overriding In Statically-Typed Object-Oriented Languages, Ryan Stansifer, Dan Wetklow Jul 1991

Selective Inheritance And Overriding In Statically-Typed Object-Oriented Languages, Ryan Stansifer, Dan Wetklow

Department of Computer Science Technical Reports

No abstract provided.


Philco: Some Recollections Of The Philco Transac S-2000, Saul Rosen Jun 1991

Philco: Some Recollections Of The Philco Transac S-2000, Saul Rosen

Department of Computer Science Technical Reports

No abstract provided.


Correspondence Problem In Image Sequence Analysis, Chia-Hoang Lee, Anupam Joshi May 1991

Correspondence Problem In Image Sequence Analysis, Chia-Hoang Lee, Anupam Joshi

Department of Computer Science Technical Reports

No abstract provided.


Stability Of Token Passing Rings, Leonidas Greorgiadis, Wojciech Szpankowski May 1991

Stability Of Token Passing Rings, Leonidas Greorgiadis, Wojciech Szpankowski

Department of Computer Science Technical Reports

No abstract provided.


Maximum Queue Length And Waiting Time Revisited: Multiserver G|G|C Queue, John S. Sadowsky, Wojciech Szpankowski Apr 1991

Maximum Queue Length And Waiting Time Revisited: Multiserver G|G|C Queue, John S. Sadowsky, Wojciech Szpankowski

Department of Computer Science Technical Reports

No abstract provided.


Logical Inference Of Horn Clauses In Petri Net Models, C. Lin, A. Chaudhury, A. B. Whinston, Dan C. Marinescu Apr 1991

Logical Inference Of Horn Clauses In Petri Net Models, C. Lin, A. Chaudhury, A. B. Whinston, Dan C. Marinescu

Department of Computer Science Technical Reports

No abstract provided.


Determining Maximum K-Width-Connectivity On Meshes, Susanne E. Hambrusch, Frank Dehne Mar 1991

Determining Maximum K-Width-Connectivity On Meshes, Susanne E. Hambrusch, Frank Dehne

Department of Computer Science Technical Reports

No abstract provided.


A Purdue University Course In The History Of Computing, Saul Rosen Mar 1991

A Purdue University Course In The History Of Computing, Saul Rosen

Department of Computer Science Technical Reports

No abstract provided.


Transaction Models For Advanced Database Applications, Ahmed K. Elmagarmid Mar 1991

Transaction Models For Advanced Database Applications, Ahmed K. Elmagarmid

Department of Computer Science Technical Reports

No abstract provided.


Relax: A Software Platform For Pde Interface Relaxation Methods, Scott Mcfaddin, John R. Rice Mar 1991

Relax: A Software Platform For Pde Interface Relaxation Methods, Scott Mcfaddin, John R. Rice

Department of Computer Science Technical Reports

No abstract provided.


Global Commitment In Multidatabase Systems, Ahmed K. Elmagarmid, Jin Jing, Won Kim Mar 1991

Global Commitment In Multidatabase Systems, Ahmed K. Elmagarmid, Jin Jing, Won Kim

Department of Computer Science Technical Reports

No abstract provided.


Analyzing Availability Of Replicated Database Systems, Bharat Bhargava, Abdelsalam Helal, Karl Friesen Feb 1991

Analyzing Availability Of Replicated Database Systems, Bharat Bhargava, Abdelsalam Helal, Karl Friesen

Department of Computer Science Technical Reports

No abstract provided.


Efficient Crcw-Pram Algorithms Combining Multiple Autonomous Databases, Alberto Apostolico Feb 1991

Efficient Crcw-Pram Algorithms Combining Multiple Autonomous Databases, Alberto Apostolico

Department of Computer Science Technical Reports

No abstract provided.


Optimal Adaptive Multistage Image Transform Coding, S. Aghagolzadeh, O. K. Ersoy Feb 1991

Optimal Adaptive Multistage Image Transform Coding, S. Aghagolzadeh, O. K. Ersoy

Department of Electrical and Computer Engineering Technical Reports

No abstract provided.


Mechanical Parts Orienting: The Case Of A Polyhedron On A Table, Michael Erdmann, Matthew T. Mason, George Vanĕček Jan 1991

Mechanical Parts Orienting: The Case Of A Polyhedron On A Table, Michael Erdmann, Matthew T. Mason, George Vanĕček

Department of Computer Science Technical Reports

No abstract provided.


Public Administration And The Library Of Jean-Baptiste Colbert, E. Stewart Saunders Jan 1991

Public Administration And The Library Of Jean-Baptiste Colbert, E. Stewart Saunders

Libraries Research Publications

Jean-Baptiste Colbert was a minister to Louis XIV from 1661 to 1683 and was one of the principal architects of royal absolutism in seventeenth-century France. His personal library served him as one of the major sources of information for the administration of government and the augmentation of the rights of the monarchy. Many of the archival sources available to the royal administration had been dispersed since the late Middle Ages. The two librarians working under Colbert, Pierre Carcavi and Etienne Baluze, assembled many of the necessary documents in the Colbertine and functioned as "reference librarians" to provide Colbert and his …


The Parallelization Of Level 2 And 3 Blas Operations On Distributed Memory Machines, M. Aboelaze, N. P. Chrisochoides, Elias N. Houstis, C. E. Houstis Jan 1991

The Parallelization Of Level 2 And 3 Blas Operations On Distributed Memory Machines, M. Aboelaze, N. P. Chrisochoides, Elias N. Houstis, C. E. Houstis

Department of Computer Science Technical Reports

No abstract provided.


A Spatial Index For Convex Simplicial Complexes In D Dimensions, George Vanĕček, Vincenzo Ferrucci Jan 1991

A Spatial Index For Convex Simplicial Complexes In D Dimensions, George Vanĕček, Vincenzo Ferrucci

Department of Computer Science Technical Reports

No abstract provided.