期刊
IEEE CONTROL SYSTEMS LETTERS
卷 2, 期 3, 页码 417-422出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCSYS.2018.2840041
关键词
Air handling units; switched adaptive control; input saturation; discrete input; dwell time
资金
- Marie-Curie Action (Advanced Methods for Building Diagnostics and Maintenance) [FP7-PEOPLE-451 2012-IAPP]
This letter introduces a new switched adaptive control mechanism that can cope with parametric uncertainty while using discrete and saturated actuators. Control of air handling units (AHUs), where air and water supply have discrete and saturated characteristics, is the motivational drive behind this letter. We show that the cheap actuation and low computational requirements of building automation installations can be met after recasting the AHU thermal dynamics as a switched linear system with discrete working modes. Adaptive laws with anti-windup compensation and a switching law based on dwell time are introduced to cope with the uncertainties and input constraints of the switched linear system. Tracking performance is shown analytically and demonstrated via a numerical test case.
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