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Variable Structure-Based Control for Dynamic Temperature Setpoint Regulation in Hospital Extreme Healthcare Zones

Author

Listed:
  • Ali Hamza

    (London Center of Energy Engineering (LCEE), School of Engineering, London South Bank University, London SE1 0AA, UK)

  • Muhammad Uneeb

    (Department of Electrical Engineering, School of Electrical Engineering and Computer Science, National University of Sciences and Technology (NUST), Islamabad, Pakistan)

  • Iftikhar Ahmad

    (Department of Electrical Engineering, School of Electrical Engineering and Computer Science, National University of Sciences and Technology (NUST), Islamabad, Pakistan)

  • Komal Saleem

    (London Center of Energy Engineering (LCEE), School of Engineering, London South Bank University, London SE1 0AA, UK)

  • Zunaib Ali

    (London Center of Energy Engineering (LCEE), School of Engineering, London South Bank University, London SE1 0AA, UK)

Abstract

In critical healthcare units, such as operation theaters and intensive care units, healthcare workers require specific temperature environments at different stages of an operation, which depends upon the condition of the patient and the requirements of the surgical procedures. Therefore, the need for a dynamically controlled temperature environment and the availability of the required heating/cooling electric power is relatively more necessary for the provision of a better healthcare environment as compared to other commercial and residential buildings, where only comfortable room temperature is required. In order to establish a dynamic temperature zone, a setpoint regulator is required that can control the zone temperature with a fast dynamic response, little overshoot, and a low settling time. Thus, two zone temperature regulators have been proposed in this article, including double integral sliding mode control (DISMC) and integral terminal sliding mode control (ITSMC). A realistic scenario of a hospital operation theater is considered for evaluating their responses and performance to desired temperature setpoints. The performance analysis and superiority of the proposed controllers have been established by comparison with an already installed Johnson temperature controller (JTC) for various time spans and specific environmental conditions that require setpoints based on doctors’ and patients’ desires. The proposed controllers showed minimal overshoot and a fast settling response, making them ideal controllers for operation theater (OT) zone temperature control.

Suggested Citation

  • Ali Hamza & Muhammad Uneeb & Iftikhar Ahmad & Komal Saleem & Zunaib Ali, 2023. "Variable Structure-Based Control for Dynamic Temperature Setpoint Regulation in Hospital Extreme Healthcare Zones," Energies, MDPI, vol. 16(10), pages 1-27, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4223-:d:1151878
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    References listed on IDEAS

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