Repetitive Control to Improve Users’ Thermal Comfort and Energy Efficiency in Buildings
Abstract
:1. Introduction
1.1. Past Studies
1.2. Novelty of This Work
1.3. Structure of the Work
2. Methodology
2.1. Thermal Comfort and the PMV Index
- M: metabolic rate .
- : basic clothing insulation .
- : indoor air temperature .
- : relative humidity .
- : mean radiant temperature .
- : relative air velocity .
2.2. The Control System
2.3. Test Bed Model
2.3.1. CIESOL Building
2.3.2. Room Simulator
2.4. Linear Model and Person Profile
3. Results and Discussion
3.1. First Simulation Scenario: The Same Person Profile Every Day
3.2. Second Simulation Scenario: Using Real Data from CIESOL Building
4. Conclusions
4.1. Summary of the Results
4.2. Future Works
Acknowledgments
Author Contributions
Conflicts of Interest
Abbreviations
E(z) | Error signal |
Gc(z) | Inner controller |
Gp(z) | Plant |
Gx(z) | Stabilizing controller |
H(z) | Null-phase low-pass filter |
I | Basic clothing insulation |
I | Diffuse solar irradiance |
I | Direct solar irradiance |
I | Reflected solar irradiance |
k | Static gain PMV/(m/s) |
k | Tuning parameter to define the settling time |
M | Metabolic rate of a person |
N | Number of people in the room |
R(z) | Reference signal |
RH | Relative humidity |
t | Indoor air temperature |
t | Mean radiant temperature |
T | Outdoor air temperature |
V | Fan-coil speed (m/s) |
v | Relative air velocity (m/s) |
W(z) | Delay function |
Time constant (s) | |
HVAC | Heating, Ventilation, and Air Conditioning |
LTD | Linear Time-Dependent |
LTI | Linear Time-Invariant |
MPC | Model-based Predictive Control |
NZEB | Nearly Zero-Energy Building |
PI | Proportional–Integral |
PMV | Predicted Mean Vote |
PPD | Predicted Percentage Dissatisfied |
RC | Repetitive control |
SCADA | Supervisory Control and Data Acquisition |
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Álvarez, J.D.; Costa-Castelló, R.; Castilla, M.D.M. Repetitive Control to Improve Users’ Thermal Comfort and Energy Efficiency in Buildings. Energies 2018, 11, 976. https://doi.org/10.3390/en11040976
Álvarez JD, Costa-Castelló R, Castilla MDM. Repetitive Control to Improve Users’ Thermal Comfort and Energy Efficiency in Buildings. Energies. 2018; 11(4):976. https://doi.org/10.3390/en11040976
Chicago/Turabian StyleÁlvarez, José Domingo, Ramon Costa-Castelló, and María Del Mar Castilla. 2018. "Repetitive Control to Improve Users’ Thermal Comfort and Energy Efficiency in Buildings" Energies 11, no. 4: 976. https://doi.org/10.3390/en11040976