Runtime Monitoring of Safety and Performance Requirements in Smart Cities

08/06/2019
by   Meiyi Ma, et al.
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With the increasing number of smart services implemented in smart cities, it is important yet challenging to dynamically detect service conflicts with respect to safety and performance requirements. In this paper, we propose a framework for monitoring the operation of smart cities and services at runtime. We formalize a set of typical safety and performance requirements from different domains in smart cities (e.g., transportation, emergency, and environment) using Signal Temporal Logic. We present a case study based on a smart city simulator, in which actions of smart services and their predicted effects on city states are converted into signal traces over time and monitored continuously using formal specifications. The experimental results demonstrate the feasibility of using runtime monitoring to detect various conflicts of smart services.

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