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Grounding Analog Computers
 Think
, 1993
"... Although analog computation was eclipsed by digital computation in the second half of the twentieth century, it is returning as an important alternative computing technology. Indeed, as explained in this report, theoretical results imply that analog computation can escape from the limitations of dig ..."
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Cited by 13 (7 self)
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Although analog computation was eclipsed by digital computation in the second half of the twentieth century, it is returning as an important alternative computing technology. Indeed, as explained in this report, theoretical results imply that analog computation can escape from the limitations of digital computation. Furthermore, analog computation has emerged as an important theoretical framework for discussing computation in the brain and other natural systems. The report (1) summarizes the fundamentals of analog computing, starting with the continuous state space and the various processes by which analog computation can be organized in time; (2) discusses analog computation in nature, which provides models and inspiration for many contemporary uses of analog computation, such as neural networks; (3) considers generalpurpose analog computing, both from a theoretical perspective and in terms of practical generalpurpose analog computers; (4) discusses the theoretical power of
Toward a Convergence of Systems and Software Engineering
 IEEE TRANSACTIONS ON SYSTEMS, MAN AND CYBERNETICS
, 1996
"... Recent trends in software engineering, especially within the objectoriented community, reflect a clear trend toward systems engineering methods. Object oriented designs, meant for programming design, often take on the distinct appearance of system models of physical networks and devices. It is not ..."
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Cited by 8 (6 self)
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Recent trends in software engineering, especially within the objectoriented community, reflect a clear trend toward systems engineering methods. Object oriented designs, meant for programming design, often take on the distinct appearance of system models of physical networks and devices. It is not immediately apparent how the areas of "modeling" and "programming" relate to one another, and why the convergence is taking place. To explore the convergence in depth, we discuss common concepts between models and programs, and discuss future trends in computer science which are forging a steady convergence between models and programs. The convergence is spawned by increased emphasis on object oriented design, distributed systems, complex systems, new forms of analog computation, and abstraction methodology. We close with a discussion of MOOSE, which provides a comprehensive modeling environment for both programmers and modelers.
An analytic condition for P ⊂ NP
, 2006
"... In this paper, we prove that there exists some condition, involving real functions, which implies P != NP. ..."
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In this paper, we prove that there exists some condition, involving real functions, which implies P != NP.
Using Aesthetic Computing as a Method for Customizing Model Structure: An Empirical Study
"... We present empirical results from a new approach, Aesthetic Computing to customizing model structures for designing models for systems found in mathematics and computer simulation. At the University of Florida, we have taught the methodology of Aesthetic Computing as a separate class, and within the ..."
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We present empirical results from a new approach, Aesthetic Computing to customizing model structures for designing models for systems found in mathematics and computer simulation. At the University of Florida, we have taught the methodology of Aesthetic Computing as a separate class, and within the context of a Simulation class. Students in the simulation class were taught the method and then subsequently allowed to construct their own interactive 3D representations of typical simulation model structures such as Petri nets and finite state automata. While using the method, natural issues arise, questioning where aesthetic computing can provide benefit in model representation. To help answer such questions, a student needs to be presented with a body of knowledge that represents the “aesthetic computing technique, ” and then the student applies this knowledge to create the modeling artifacts. We present recent empirical studies from two classes, Aesthetic Computing and Computer Simulation, where aesthetic “methods/techniques” were employed. From the studies, we determined that there were several key results associated with Aesthetic Computing: 1) the ability for the student to be more creative in building their own custom models, and 2) the ability to improve perceived communication of technical topics (e.g., associated with the models) to nonexperts.
Palmo: a novel pulsed based signal processing technique for programmable mixedsignal VLSI
, 1998
"... In this thesis a new signal processing technique is presented. This technique exploits the use of pulses as the signalling mechanism. This Palmo 1 signalling method applied to signal processing is novel, combining the advantages of both digital and analogue techniques. Pulsed signals are robust, i ..."
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In this thesis a new signal processing technique is presented. This technique exploits the use of pulses as the signalling mechanism. This Palmo 1 signalling method applied to signal processing is novel, combining the advantages of both digital and analogue techniques. Pulsed signals are robust, inherently lowpower, easily regenerated, and easily distributed across and between chips. The Palmo cells used to perform analogue operations on the pulsed signals are compact, fast, simple and programmable.