SMART BUILDINGS AND

PRECINCTS

DR MASSIMO FIORENTINI - 09/2016

COMPUTING POWER

APOLLO 11

Guidance

Computer

COMPUTING POWER

Smartphone

THERMAL ENERGY

MANAGEMENT

BUILDING ENERGY

MANAGEMENT

?

BUILDING ENERGY

MANAGEMENT

HUMAN CONTROL:

STATE OF THE ART

OUR state of the art

How do we define “what’s best?” What’s MPC?

𝑥(𝑘 + 1) = 𝐴𝑥(𝑘) + 𝐵𝑢(𝑘)

𝑦(𝑘) = 𝐶𝑥(𝑘) + 𝐷𝑢(𝑘)

Linear State Space

model

𝑚𝑖𝑛𝜉 𝑦′𝑘𝑄

𝑁−1

𝑘=0

𝑦𝑘 + 𝑢′𝑘𝑅 𝑢𝑘

Compute over the horizon minimizing a cost

function that includes outputs and inputs

How do we write this for a

building?

MPC QUADCOPTER

Single Cooperating

BUILDING THERMAL MODEL

ψAw Cw

Rw Rw

Ta

Tw

ψAe Φh

Rvo δnv

Ci

Ti Rv

Ti

Ta

ψ Φh

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

0

5

10

15

20

25

18 22 2 6 10 14 18 22 2 6 10 14 18 22 2 6 10 14 18 22 2 6 10 14 18 22 2 6 10 14 18 22 2 6 10 14 18 22 2 6 10

Po

we

r (k

W)

- R

ad

iati

on

(k

W/m

2)

Te

mp

era

ture

(˚C

)

Hour of the day

Ta (˚C)

Ghr (kW/m2)

HP_el (kW)

Time Response Comparison

20 40 60 80 100 120 140 16020

21

22

23

24

25

26

27

28

Time (h)

Tem

per

atu

re (

C

)

Experimental data

Model

IOT DEVICES: SENSORS /

CONTROLLERS

Monitors & Controllers

- Low cost sensors, low cost computing power

- Custom sensing units / controllers

- Possibility to communicate with other devices / controllers

- On-line data analysis – reporting for high level decisions

SBRC PROTOTYPE

THANK YOU FOR YOUR

ATTENTION