대한임베디드공학회논문지 (IEMEK Journal of Embedded Systems and Applications)

대한임베디드공학회 (Institute of Embedded Engineering of Korea)
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시스템 에어컨의 온도 제어를 위한 부하 예측 기반 스위칭 모델 예측 제어

Heat Load Estimation-Based Switching Explicit Model Predictive Temperature Control for VRF Systems

  • Jun-Yeong Kim (Kyungpook National University ) ;
  • S.M. Lee (Kyungpook National University )
  • 투고 : 2024.06.18
  • 심사 : 2024.06.26
  • 발행 : 2024.06.30
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초록

This paper proposes an EMPC (Explicit Model Predictive Controller) for temperature tracking control based on heat load prediction by an ESO (Extended State Observer) for a variable cooling circulation system with multiple indoor units connected to one outdoor unit. In this system, heat transfer and heat loss relative to the input temperature are modeled using system dynamics. Using this model, we design an EMPC based on an ESO that is robust to temperature changes and depends on airflow. To determine the stability of both the controller and the observer, asymptotic stability is verified through Lyapunov stability analysis. Finally, to validate the performance of the proposed controller, simulations are conducted under three scenarios with varying airflow, set temperature, and heat load.

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과제정보

본 논문은 2024년도 정부 (과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임 (No. RS-2024-00350118).

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