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[4, 2017] 

Journal of Electrical Engineering, Vol 68, 4 (2017) 312-217 DOI: 10.1515/jee-2017-0044

Model predictive control of room temperature with disturbance compensation

Jozef Kurilla – Peter Hubinský

   This paper deals with temperature control of multivariable system of office building. The system is simplified to several single input-single output systems by decoupling their mutual linkages, which are separately controlled by regulator based on generalized model predictive control. Main part of this paper focuses on the accuracy of the office temperature with respect to occupancy profile and effect of disturbance. Shifting of desired temperature and changing of weighting coefficients are used to achieve the desired accuracy of regulation. The final structure of regulation joins advantages of distributed computing power and possibility to use network communication between individual controllers to consider the constraints. The advantage of using decoupled MPC controllers compared to conventional PID regulators is demonstrated in a simulation study.

Keywords: decoupling, disturbance compensation, generalized predictive control, zone regulation, building management system


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