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An Experimental Framework for Networked Control Systems

Tiago Leite Barreiros, Luis Brito Palma

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A distributed control architecture for a single-axis elevator is presented and experimentally validated. Sensing, computation, and actuation are separated across a MATLAB realtime server and a Python client communicating mainly over TCP, with UDP and hybrid modes evaluated for comparison. Uniform resampling and a two-state Kalman filter mitigate networkinduced variability, while a three-loop cascade controller ensures stable motion control. A client-side PID controller illustrates the flexible user-programmable mode. Real-time experiments quantify the impact of jitter, delay, and sampling period, establishing a minimum safe sampling period of Ts=0.10 s. Key contributions include a reproducible LAN-based NCS testbed, an open clientside control mode enabling students to implement their own controllers, and the first experimental characterisation of timing constraints and safe sampling limits for this architecture.
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publication2026 10th International Young Engineers Forum on Electrical and Computer Engineering (YEF-ECE)
Place of PublicationNew York
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages110-116
Number of pages7
ISBN (Electronic)9798319505279
ISBN (Print)9798319505286
DOIs
Publication statusPublished - 2026
Event10th International Young Engineers Forum on Electrical and Computer Engineering, YEF-ECE 2026 - Costa da Caparica, Portugal
Duration: 19 Jun 2026 → …

Publication series

NameProceedings - 2026 10th International Young Engineers Forum on Electrical and Computer Engineering, YEF-ECE 2026

Conference

Conference10th International Young Engineers Forum on Electrical and Computer Engineering, YEF-ECE 2026
Country/TerritoryPortugal
CityCosta da Caparica
Period19/06/26 → …

Keywords

  • Distributed Control
  • Elevator Control
  • Kalman Filtering
  • Networked Control Systems
  • Real-Time Systems
  • TCP/UDP Communication

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