Linked Data Architecture for Plan Execution in Distributed CPS

Future cyber-physical systems (CPS) require their components to perform autonomously. To do that safely and efficiently, CPS components will need access to the global state of the whole CPS. These components will require near real-time updates to a subset of the global state to react to changes in t...

Full description

Saved in:
Bibliographic Details
Published in:IEEE International Conference on Industrial Technology (Online) pp. 1393 - 1399
Main Authors: Berezovskyi, Andrii, El-khoury, Jad, Fersman, Elena
Format: Conference Proceeding
Language:English
Published: IEEE 01.02.2019
Subjects:
Belts
Cyber-Physical Systems
Linked data
Linked Data architecture
Linked Data Platform
message queues
messaging systems
MQTT
Open Services for Lifecycle Collaboration
Planning
Planning Domain and Definition Language
Protocols
REST
Robots
Semantics
ISSN:2643-2978
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Future cyber-physical systems (CPS) require their components to perform autonomously. To do that safely and efficiently, CPS components will need access to the global state of the whole CPS. These components will require near real-time updates to a subset of the global state to react to changes in the environment. A particular challenge is to monitor state updates from the distributed CPS components: one needs to ensure that only states consistent with the PDDL plan execution semantics can be observed within the system. In order to guarantee that, a component to monitor plan execution is proposed. Microservices based on Linked Data technologies are used to provide a uniform way to access component states, represented as Resource Description Framework (RDF) resources. To ensure the correct ordering of state updates, we present an extension of the OASIS OSLC TRS protocol. Specifically, we strengthen the ordering guarantees of state change events and introduce inlining of the state with the events to prevent state mismatch at the dereferencing stage.
ISSN:2643-2978
DOI:10.1109/ICIT.2019.8755245