The format of the tech reports ID number is TR-CS-YYYY-NN, where YYYY is the four digit year and NN is the number, including leading zeroes. For the first tech report of 2004, the search would be "TR-CS-2004-01".
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TR-CS-2000-43
Teleo-Reactive Control for Accelerator Beamline Tuning
William Klein, George Luger, Carl Stern, and Dan Pless
Over the past five years we have designed, built, and tested a portable control architecture for accelerator beamline tuning. To date our software has been tested against software models of accelerators and against actual beamlines at Brookhaven and Argonne National Laboratories. In this paper we briefly describe our object-based, hierarchically organized portable architecture. The main focus of this paper, however, is to describe our extensions to Nilsson's teleo-reactive (TR) planner to make it suitable to handle the complex plan execution tasks of accelerator beamline control. Extensions to Nilsson's original system include the addition of actions for targeted data gathering. We extend the rules of the TR planner with the addition of new types of rules that adjust intermediate goals and that adapt to context changes by loading and unloading rule sets. We give some examples of our own extended teleo-reactive control framework. We conclude by briefly discussing tests of our system in beamline tuning as well as in diagnosing beamline misalignments.
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