Greenhouse temperature control with wooden pellet heater via model predictive control approach

研究成果: Conference contribution

10 被引用数 (Scopus)

抄録

This paper deals with the design of a temperature controller for a greenhouse using a wood pellet ]heating system. This heating system is carbon neutral; however it has three undesirable characteristics in control: 1) an On/Off control signal, 2) a longer time constant and 3) constraints on operation. The last property, in particular, is essential for achieving better fuel consumption and for achieving a longer lifetime of the heater. However the conventional PWM control also gives good control performance, the properties 1) and 2) block its effectiveness. In addition, the property 3) leads to performance degradation in the designed controller. To compensate for these effects, in this paper the model predictive control is applied to achieve the temperature control. The required specification is to keep the temperature error within 2 degrees Celsius in peak-to-peak with sufficient robustness for the parameter change in greenhouse. Experimental results in greenhouse give the effectiveness of proposed controller. Moreover the idea for computational load relaxation is also discussed.

本文言語English
ホスト出版物のタイトル2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Conference Proceedings
ページ1542-1547
ページ数6
DOI
出版ステータスPublished - 2012 10 5
イベント2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Barcelona, Spain
継続期間: 2012 7 32012 7 6

出版物シリーズ

名前2012 20th Mediterranean Conference on Control and Automation, MED 2012 - Conference Proceedings

Conference

Conference2012 20th Mediterranean Conference on Control and Automation, MED 2012
CountrySpain
CityBarcelona
Period12/7/312/7/6

ASJC Scopus subject areas

  • Control and Systems Engineering

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