Publicación: EXPERIMENTAL EVALUATION OF A WIRELESS CONTROL FOR A COUPLED TANKS SYSTEM
Fecha
2018
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2018 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION/XXIII
Resumen
WIRELESS INDUSTRIAL DEVICES ARE MOSTLY ADOPTED FOR SENSOR AND ALERTING APPLICATIONS. THEY PRESENT MANY ADVANTAGES SUCH AS EASE OF INSTALLATION AND FLEXIBILITY. HOWEVER, THEIR USE IN CONTROL APPLICATIONS IS TROUBLESOME DUE TO INHERENT ISSUES OF DIGITAL WIRELESS COMMUNICATIONS SUCH AS PACKET LOSS AND DELAY. THESE PROBLEMS ARE NON TRIVIAL, AND BRING THE NECESSITY OF WORKING IN NEW RESOURCE-EFFICIENT AND ROBUST SOLUTIONS THAT BRING US CLOSER TO REAL-WORLD WIRELESS CONTROL SYSTEMS. IN THIS PAPER, A WIRELESS CONTROL CONSISTING IN LOW-POWER IEEE 802.15.4 DEVICES IS TESTED IN A COUPLED-TANK SYSTEM. THE PERFORMED TESTS ALLOW THE COMPARISON WITH THE ORIGINAL WIRED SYSTEM AND SHOW THE PERFORMANCE OF THE WIRELESS SOLUTION. DIFFERENT PARAMETERS OF THE WIRELESS DEVICES, SUCH AS SAMPLING PERIOD, NETWORK PARAMETERS AND CHANNEL NOISE, ARE TESTED. THE RESULTS ALLOW TO OBSERVE THE PROBLEMS PRESENT IN THIS TYPE OF NETWORK, GIVING SOME IDEAS OF HOW THEY CAN BE TACKLED, EVALUATING THE FEASIBILITY OF USING THIS KIND OF WIRELESS SYSTEMS UNDER DIFFERENT CONDITIONS AND CONTROL SCHEMES.
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Wireless Communication, Sensor Networks, Packet Loss, Delay, Control
