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Guided Synthesis of Control Programs Using UPPAAL

Speaker:

<A HREF="http://www.docs.uu.se/~paupet/">Paul Pettersson</a>, Aalborg University, Denmark

Type:

Seminar

Start time:

1999-11-18 14:00

End time:

1999-11-18 14:00

Location:

Turing Conference Room

Contact person:

Mehrdad Saadatmand

Description

In this work, we address the problem of scheduling and synthesizing control programs for a batch production plant. We present a timed automata model of a production plant. This model aims at faithfully reflecting the level of abstraction required for synthesising control programs, therefore it quickly becomes too detailed and complicated for automatic synthesis. To solve this problem we present a general way of adding guidance to a model by augmenting it with additional guidance variables and decorate transitions with extra guards. Applying this technique have made synthesis of control programs feasible for a plant producing as many as 35 batches. In comparison, we could only handle plants producing two batches without using guides.
The synthesised control programs have been executed in the plant. By doing so we found and corrected some errors in the model.