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Erschienen in:
2014 | OriginalPaper | Buchkapitel
7. Planning for Distributed Control Systems with Wired and Wireless Sensors
verfasst von : José Cecílio, Pedro Furtado
Erschienen in: Wireless Sensors in Industrial Time-Critical Environments
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Abstract
Since real-time operations in DCS must be pre-planned, this chapter describes how to plan operation timings systematically. The planning approach is based on the construction of schedules and the latency model. Based on user inputs and a first network layout, the approach determines maximum WSN latencies first, computes the required number and placement of downstream slots to meet command and closed loop latencies, and then verifies whether the latency requirements are met. The network is successively partitioned and latencies verified until the required latencies are achieved.