期刊
CONTROL ENGINEERING PRACTICE
卷 18, 期 1, 页码 94-102出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2009.09.008
关键词
Relay control; On-off control; Temperature control; Household appliances; Freezers; Refrigerators
资金
- Politecnico di Milano, Dipartimento di Elettronica e Informazione, and Whirlpool Europe
This paper describes an adaptive scheme for temperature control in household freezers with low-end sensing and actuation equipment. like on-off compressors and dampers. The scheme is based on an auxiliary filter introduced in the relay loop to alter and improve the characteristics of the induced oscillation. The filter is tuned adaptively to cope with system variability and uncertainty. Some tests on detailed simulation models of a commercial appliance are reported to validate the approach and show its effectiveness with respect to both food preservation and energy consumption requirements. (C) 2009 Elsevier Ltd. All rights reserved.
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