A real-time agent architecture and robust task scheduling.

by Zhao Lei.Thesis (M.Phil.)--Chinese University of Hong Kong, 2002.Includes bibliographical references (leaves 78-85).Abstracts in English and Chinese.Abstract --- p.iiAcknowledgments --- p.ivChapter 1 --- Introduction --- p.1Chapter 2 --- Background --- p.5Chapter 2.1 --- Agents --- p.5Chapter 2.1.1 --- Deliberative Agents --- p.7Chapter 2.1.2 --- Reactive Agents --- p.8Chapter 2.1.3 --- Interacting Agents --- p.9Chapter 2.1.4 --- Hybrid Architectures --- p.10Chapter 2.2 --- Real-time Artificial Intelligence --- p.10Chapter 2.3 --- Real-Time Agents --- p.12Chapter 2.3.1 --- The Subsumption Architecture --- p.13Chapter 2.3.2 --- The InterRAP Architecture --- p.15Chapter 2.3.3 --- The 3T Architecture --- p.16Chapter 2.4 --- On-line Scheduling in Real-Time Agents --- p.18Chapter 3 --- A Real-Time Agent Architecture --- p.20Chapter 3.1 --- Human Cognition Model --- p.20Chapter 3.1.1 --- Perception --- p.22Chapter 3.1.2 --- Cognition --- p.22Chapter 3.1.3 --- Action --- p.23Chapter 3.2 --- Real-Time Message Passing Primitives and Process Structuring --- p.24Chapter 3.2.1 --- Message Passing as IPC --- p.25Chapter 3.2.2 --- Administrator and Worker Processes --- p.28Chapter 3.3 --- Agent Architecture --- p.29Chapter 3.3.1 --- Sensor Workers and the Sensor Administrator --- p.30Chapter 3.3.2 --- The Cognition Workers --- p.32Chapter 3.3.3 --- "The Task Administrator, the Scheduler Worker and Ex- ecutor Workers" --- p.32Chapter 3.4 --- An Agent-Based Real-time Arcade Game --- p.34Chapter 4 --- A Multiple Method Approach to Task Scheduling --- p.37Chapter 4.1 --- Task Scheduling Mechanism --- p.37Chapter 4.1.1 --- Task and Action --- p.38Chapter 4.1.2 --- Task Administrator --- p.40Chapter 4.1.3 --- Task Scheduler --- p.43Chapter 4.2 --- A Task Scheduling Model --- p.44Chapter 4.3 --- Combination Rules and Special Cases --- p.46Chapter 4.4 --- Scheduling Algorithms --- p.49Chapter 5 --- Task Scheduling Model: Analysis and Experiments --- p.53Chapter 5.1 --- Goodness Measure --- p.53Chapter 5.2 --- Theoretical Analysis --- p.54Chapter 5.3 --- Implementation --- p.59Chapter 5.3.1 --- Task Generator Implementation --- p.59Chapter 5.3.2 --- Executor Workers Implementation --- p.61Chapter 5.4 --- Experimental Results --- p.62Chapter 5.4.1 --- Hybrid Mechanism and Individual Algorithms --- p.63Chapter 5.4.2 --- Effect of Average Execution Time --- p.65Chapter 5.4.3 --- Effect of the Greedy Algorithm --- p.65Chapter 5.4.4 --- Effect of the Advanced Algorithm --- p.67Chapter 5.4.5 --- Effect of Actions and Relations Among Them --- p.68Chapter 5.4.6 --- Effect of Deadline --- p.71Chapter 6 --- Conclusions --- p.73Chapter 6.1 --- Summary of Contributions --- p.73Chapter 6.2 --- Future Work --- p.7