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- F J Smieja
- 1991

There are currently several types of constructive, or growth, algorithms available for training a feed-forward neural network. This paper describes and explains the main ones, using a fundamental approach to the multi-layer perceptron problem-solving mechanisms. The claimed convergence properties of the algorithms are veriied using just two mapping theorems… (More)

- Uwe Beyer, Frank Smieja
- 1993

Learning from examples has a number of distinct algebraic forms, depending on what is to be learned from which available information. One of these forms is x G ! y, where the input{output tuple (x; y) is the available information , and G represents the process determining the mapping from x to y. Various models , y = f(x), of G can be constructed using the… (More)

- Frank J. Smieja
- IEEE Trans. Neural Networks
- 1996

The Pandemonium system of reflective MINOS agents solves problems by automatic dynamic modularization of the input space. The agents contain feedforward neural networks which adapt using the backpropagation algorithm. We demonstrate the performance of Pandemonium on various categories of problems. These include learning continuous functions with… (More)

- Uwe Beyer, Frank Smieja
- 1996

Adaptive models of systems seek to emulate the processes giving rise to the data observed in the system. The process is often termed learning from examples, or data-driven information processing. An important issue regarding such modeling is the active selection of data by the modeling process, or exploration. If exploration depends on the current state of… (More)

- Uwe Beyer, Frank Smieja
- 1994

In this report we describe the JANUS robot project in terms of the maxims followed at the various levels of construction. The project involves designing a two-armed robot which operates in an open system. To make this possible it must have exibility and heterogeneity in its architecture. The key ingredients of JANUS are presented in the form of seven… (More)

- Uwe Beyer, Frank J. Smieja
- IJPRAI
- 1996

Learning from examples has a number of distinct algebraic forms, depending on what is to be learned from which available information. One of these forms is x G ! y, where the input{output tuple (x; y) is the available information, and G represents the process determining the mapping from x to y. Various models, y = f(x), of G can be constructed using the… (More)

- Uwe Beyer, Frank Smieja
- 1997

Inversion of the kinematics of ma-nipulators is one of the central problems in the eld of robot arm control. The iterative use of inverse diierential kinematics is a popular method of solving this task. Normally the solution of the problem requires a complex mathematical apparatus. It involves methods for solving equation systems as well as algorithms for… (More)

- F J Smieja, H M Uhlenbein
- 1992

Many of the current artiicial neural network systems have serious limitations, concerning accessibility , exibility, scaling and reliability. In order to go some way to removing these we suggest a reeective neural network architecture. In such an architecture, the modular structure is the most important element. The building-block elements are called… (More)

- Uwe Beyer, Frank Smieja
- 1996

An important property of models constructed through the process of learning from examples is the manipulation and control of the data itself. When the data is actively selected or generated the process is known as exploration. Reeection about the internal model allows exploration to be more than just a random choice in the input space. In this paper we… (More)

- Frank J. Smieja, Uwe Beyer, Gernot Richter
- AI in Engineering
- 1996

Most successful state-of-the-art robo-tic manipulators have the characteristic of producing precise, fast, smooth and reproducible movements. Their drawback is that they tend to have a limited repertoire which can only be extended by costly inverse kinematics calculations or direct teach-in sessions. The goal of our project is to develop a exible open world… (More)