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A Colony Architecture for an Artificial Creature
(1989-09-01)
This report describes a working autonomous mobile robot whose only goal is to collect and return empty soda cans. It operates in an unmodified office environment occupied by moving people. The robot is controlled by a ...
Multisensor Modeling Underwater with Uncertain Information
(1988-07-01)
This thesis develops an approach to the construction of multidimensional stochastic models for intelligent systems exploring an underwater environment. It describes methods for building models by a three- dimensional ...
A Theory of Quantitative Inference Applied to a Mechanical Design Compiler
(1989-01-01)
This thesis presents the ideas underlying a computer program that takes as input a schematic of a mechanical or hydraulic power transmission system, plus specifications and a utility function, and returns catalog numbers ...
Performance Evaluation of the Scheme 86 and HP Precision Architecture
(1989-04-01)
The Scheme86 and the HP Precision Architectures represent different trends in computer processor design. The former uses wide micro-instructions, parallel hardware, and a low latency memory interface. The latter ...
Optimal Unsupervised Learning in Feedforward Neural Networks
(1989-01-01)
We investigate the properties of feedforward neural networks trained with Hebbian learning algorithms. A new unsupervised algorithm is proposed which produces statistically uncorrelated outputs. The algorithm causes ...
Derivation of an Efficient Rule System Pattern Matcher
(1989-02-01)
Formalizing algorithm derivations is a necessary prerequisite for developing automated algorithm design systems. This report describes a derivation of an algorithm for incrementally matching conjunctive patterns against ...
The Dynamic Structure of Everyday Life
(1988-10-01)
Computational theories of action have generally understood the organized nature of human activity through the construction and execution of plans. By consigning the phenomena of contingency and improvisation to ...
Design and Implementation of a Flexible Robot
(1989-08-01)
This robot has low natural frequencies of vibration. Insights into the problems of designing joint and link flexibility are discussed. The robot has three flexible rotary actuators and two flexible, interchangeable ...
Thread Scheduling Mechanisms for Multiple-Context Parallel Processors
(1995-06-01)
Scheduling tasks to efficiently use the available processor resources is crucial to minimizing the runtime of applications on shared-memory parallel processors. One factor that contributes to poor processor utilization ...
Enhanced Reality Visualization in a Surgical Environment
(1995-01-01)
Enhanced reality visualization is the process of enhancing an image by adding to it information which is not present in the original image. A wide variety of information can be added to an image ranging from hidden ...