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. 2014 Mar 25;9(3):e92108. doi: 10.1371/journal.pone.0092108

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© 2014 Libourel, Burdge

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The Labview block diagram execution flow is left to right in a parallel fashion as computers processor resources become available. At run time, the bioreactor program is passed a data value reference (DVR) to the shared bioreactor parameters. The program bundles the bioreactor parameters in a data cluster with references to all front panel indicators and controls (1 & 2). In response to a front panel transitions, a message is created with the data cluster and action instructions (3) and enqueued in a massage queue (4) that is shared with the consumer loop. The consumer loop waits for (5), and dequeues messages (6),executing the instructed actions with the provided data cluster.