system, by using EPMPC, the HVAC energy consumption can .... The ceiling-based air distribution system is used for service spaces, ..... (Award#: 1038139), and the management team of ... software framework for model predictive control with ...
Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
ENERGYPLUS MODEL-BASED PREDICTIVE CONTROL (EPMPC) BY USING MATLAB/SIMULINK AND MLE+
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Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
Building and systems modeling
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Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
Matlab/Simulink
MLE+
EnergyPlus
Weather information (from standard weather file) Central supply air temperature setpoint logic control
Supply air temperature setpoint
EnergyPlus model (Building and system high-order models)
Multi-zone air temperature setpoint
Multi-zone temperature setpoint logic control
Multi-zone occupancy schedule
Multi-zone PMV value calculation
Multi-zone air temperature, relative humidity, and radiant temperature
EPMPC problem description Baseline control
(
| BASELINE
)
|
(
)
(
)
( )
TC (t) ∈ (14, 18) TH (t) ∈ (24, 32) AH *AC = 0
EPMPC
TS (t)∈
14, 20 , AC =1 24, 32 , AC =0
t mode (t) ≥ 3600 𝑡 𝑥 𝐽(𝑡) 𝑄 (𝑡) 𝑄 (𝑡) 𝑄 (𝑡) 𝑄 (𝑡) 𝑓 (𝑡) 𝑇 (𝑡), 𝑡 𝑇 (𝑡), 𝑡 𝐴 𝐴 (𝑡) 𝑡
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𝑡 𝑡 𝑡 𝑡 𝑡 𝑡
𝑡
Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
Building Automation System Indoor sensors network
Data inputs
On-site weather station
Occupant thermal comfort feedback
Control system interface
Matlab/Simulink
MLE+
EnergyPlus
Optimization and control steps
Weather information
Supply air temperature setpoint optimization
Optimized supply air temperature setpoint
Multi-zone temperature setpoint
Lighting schedules
Equipment schedules
Weather and schedules information
Receding horizon
Average PMV value
Occupancy schedules
EnergyPlus model (Building and system high-order models)
Multi-zone temperature setpoints logic control HVAC power demand
PMV values
Multi-zone PMV value calculation
Multi-zone air temperature, relative humidity, and radiant temperature
Real simulation time
Data Input layer
Control layer
Data exchange layer
EPMPC optimization
J=min ( fpower (x, t) ), if Eq.(2) is satisfied J= min(|fPMV (x, t)|) , otherwise
EPMPC implementation
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Simulation layer
Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
Winter results
10 9 8 7 6 5 4 3 2 1 0
25 20 15 10 5 0 -5 -10 01/08 01:00:00
01/09 01:00:00
01/10 01:00:00
01/11 01:00:00
01/12 01:00:00
01/13 01:00:00
01/14 01:00:00
Outdoor Air Temperature Mass Flow Rate (kg/s)
Temperature (°C)
35 30
Baseline Supply Air Temperature EPMPC Supply Air Temperature Baseline Supply Air Mass Flow Rate EPMPC Supply Air Mass Flow Rate
35
Power (kW)
30 25
Baseline HVAC power
20 15 10
EPMPC HVAC power
5
(PMV)
0 01/08 01:00:00
2.5 2 1.5 1 0.5 0 -0.5 -1 -1.5 -2 -2.5 01/08 01:00:00
01/09 01:00:00
01/10 01:00:00
01/11 01:00:00
01/12 01:00:00
01/13 01:00:00
01/14 01:00:00
PMV Upper Setpoint PMV Lower Setpoint Baseline PMV
EPMPC PMV 01/09 01:00:00
01/10 01:00:00
01/11 01:00:00
01/12 01:00:00
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01/13 01:00:00
01/14 01:00:00
Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
Baseline EPMPC Energy energy energy savings (kWh) (kWh)
Discussion
Summer results
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Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
10
Temperature (°C)
30
8
25 20
6
15
4
10 2
5 0 07/08 01:00:00
0 07/09 01:00:00
07/10 01:00:00
07/11 01:00:00
07/12 01:00:00
07/13 01:00:00
07/14 01:00:00
Mass Flow Rate (kg/s)
35
Outdoor Air Temperature Baseline Supply Air Temperature EPMPC Supply Air Temperature Baseline Supply Air Mass Flow Rate
Power (kW)
20 15
Baseline HVAC Power
10 EPMPC HVAC power
5
(PMV)
0 07/08 01:00:00
2.5 2 1.5 1 0.5 0 -0.5 -1 -1.5 -2 -2.5 07/08 01:00:00
07/09 01:00:00
07/10 01:00:00
07/11 01:00:00
07/12 01:00:00
07/13 01:00:00
07/14 01:00:00
PMV Upper Setpoint PMV Lower Setpoint Baseline PMV 07/09 01:00:00
07/10 01:00:00
07/11 01:00:00
07/12 01:00:00
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07/13 01:00:00
07/14 01:00:00
EPMPC PMV
Proceedings of BS2013: 13th Conference of International Building Performance Simulation Association, Chambéry, France, August 26-28
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