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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Dhananjayan, A. Kiam Tian Seow |
| Copyright Year | 2012 |
| Description | Author affiliation: Division of Software and Information Systems, School of Computer Engineering, Nanyang Technological University, Singapore (Dhananjayan, A.; Kiam Tian Seow) |
| Abstract | In supervisory control of discrete-event systems, prescribing formal specifications is a non-trivial task that depends on the intuition and cognitive understanding of the designer. A human designer has no assurance if a prescribed specification is as intended, making it necessary to manually validate the specification, i.e., check whether the specification does indeed prescribe the intended requirement. This uncertainty in specification is compounded in the case of timed discrete-event systems (TDES's), where real-timing behavior also needs to be correctly specified. The fundamental control theory for TDES's requires a specification to be formalized as a timed transition graph (TTG), prescribing a timed regulation of logical behavior that restricts a TDES to some timed execution sequences. To help validate the specification, human designers need an algorithm that can automatically remodel the TTG specification, to highlight sequences essential for comprehending the specification's timed restrictions while hiding irrelevant information. By ‘hiding’ in self-loops the associated events of all transitions deemed irrelevant to the specification, we can obtain a more comprehensible TTG, formalized by what we call a transparent TTG specification. In this paper, we propose a polynomial-time algorithm to compute TTG specifications of clear transparency. |
| Starting Page | 908 |
| Ending Page | 913 |
| File Size | 246921 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467304290 |
| ISSN | 21618070 |
| e-ISBN | 9781467304306 |
| DOI | 10.1109/CoASE.2012.6386316 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-08-20 |
| Publisher Place | Korea (South) |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Logic gates Humans Discrete event systems Real-time systems Supervisory control Partitioning algorithms Algorithm design and analysis transparency Timed discrete-event systems timed transition graph specification |
| Content Type | Text |
| Resource Type | Article |
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