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Research on building automation and intelligentbuilding design in the zafh.net research network
Presentation and Introduction to the poster Exhibition
Prof. Dr. Martin Becker, Biberach University of Applied Sciences
Stuttgart, September 17, 2010
Prof. Dr. Martin Becker, Biberach University of Applied Sciences
Prof. Elmar Bollin, University of Applied Sciences
Prof. Dr. Ursula Eicker, University of Applied Sciences Offenburg
zafh.net Germany
HOCHSCHULE BIBERACH
Research Cluster zafh.net
2Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
About zafh.net:
3Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
� Research Cluster for Sustainable Energy Technologies for Buildings in the South West of Germany
� Networking of scientists, developers, building managers.
� zafh.net operates Automation Devices via Internet or other communication channels.
� Various Software Tools run at different locations using distributed expertise for a better matching of energy supplies and energy demands
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
zafh.net Centre of applied research - sustainable energy technologyZentrum für angewandte Forschung an Fachhochschulen Nachhaltige Energietechnik
zafh.net features
� Remote Control of Buildings
� Sustainable Building Climatisation in Summer
4Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Summer
� Solar Thermal Cooling Systems
� Energy Management of Buildings
� Energy Management of City Districts
� Energy Consumption of Green Buildings
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
HOCHSCHULE BIBERACH
Research on building automation and intelligentbuilding design in the zafh.net research network
Presentation and Indruduction to the poster Exhibition
PolycityStuttgart, September 17, 2010
Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Presentation and Indruduction to the poster Exhibition
Martin Becker, Alexander Adlhoch
Biberach University of Applied SciencesInstitute for Building and Energy Systems
zafh.net research cluster, Biberach
HOCHSCHULE BIBERACH
Demand of holistic design and interaction of
building envelope(building structure, façade systems, …)
building systems(Heating, cooling, ventilation, lighting, …)
Sustainable Building Design and Operation of Buildings
6Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
optimized operation of buildings systemsconsidering the user comfort and energy efficiency by
advanced building automation and facility management
HOCHSCHULE BIBERACH
Energy efficiency in building and energy systems
energy savingpotential %
range method e.g.amortization in years
user behavior, energy saving„active energy management”
building services
engineering
operation 5 - 20
10 - 60
0 - 5
2 - 10HVAC, lighting, control,
electrical drives, combinedcooling, heating and power
HVAC, lighting, controlelectrical drives, combinedcooling, heating and power
7Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
> 50building envelope
engineering
insulation, windows, thermal bridges,building physics
10 - 60
•Where should we adopt building and room automation to get the best energy savings?
•How can we achieve and prove this energy savings?
•How can we develop and test new control strategies?
cooling, heating and powercooling, heating and power
Research topics at Biberach University:
HOCHSCHULE BIBERACH
50
80
40
40
50
60
70
80
90
Pot
entia
l ene
rgy
savi
ngs
in %
Energy saving by building automation and control systems (BACS)
8Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
5
1210
20
2
3735
0
10
20
30
40
Heating Regulation ofsunblind
Lighting Cooling Ventilation
Pot
entia
l ene
rgy
savi
ngs
in %
Source:Literature study by Martin Becker, Peter Knoll,Biberach University of Applied Sciences
SunblindShading
HOCHSCHULE BIBERACH
Possibilities to develop new control strategies
SimulatedController
Simulation models of
building and HVAC systems
Simulation
Simulation
9Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Hardware Controller
Building and HVAC systems
Reality
Closed LoopControl
Modelica /
Dymola
MATLAB /
Simulink
LabMap (middleware) nvironment
TRNSYS
Hardware-in-the-loop system
� Link to building models
� Modeling in MATLAB/Simulink und Dymola
� LabMap as Middleware to
10Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
LabMap (middleware)
Hardware interface emulation en
field device
Hardware controller
� LabMap as Middleware to operate the hardware interface
� hardware interface with free configurable in- and outputs
� Control strategy that should be tested implemented in a PLC as test controller
HiL – Test Environment at Biberach University
11Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
HW-Interface
Room-Controller
Room automation in reality and simulation
12Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
5
Op_RT
4
T_AL
3
CO2_Ist
2
T_Ist
1
Phi_Ist
solare_Str
MATLABFunction
rel_PHI rF-M oni tor
Pers_Flag
Qkon_IN
Qstr_IN
PHI_Ista
CO2_Ista
innere_Last
MATLABFunctionVar_Str
Var_PHI
-C-
Um gebungs-temperatur
Innenwand Flur
-C-
Um gebungs-temperatur
Innenwaende
-C-
Um gebungs-temperatur
Decke
-C-
Um gebungs-temperatur
Boden
SimTBA_Q
To Workspace7
T_Ist
Sim_Zeit
Qkon_DE
Qstr_TBA
T_TBADe
TBA_Decke
TBA-Moni tor
T&Str-Moni tor
Step
0
Solarkonstante
T_U
T_Ist
T_U2
T_UBO
T_UDE
T_UFlur
T_TBADe
Q_W
Qkon_W
Qkon_DE
OT
Raum model l
Qkon_IN
Qstr_IN
Q_HZ
PHI_ZU
CO2_Zu
Q_W
Qkon_W
Q_INF
T_U
Q_sol
LTINF
Q_LM
LTM
Q_LF
LTF
PHI_AL
Qstr_HZ
Qstr_TBA
T_Ist
PHI_Ist
CO2_Ist
Raum luft
Pers-Moni tor
-C-
PHI
T_Ist
OTOp_RT
Operative Raum tem p.
Mux
Mux
T_Ist
T_Ua
V_ML
LA_FLAGb
V_Fe
Vv oll_Fe
Q_INF
LTINF
Q_ML
LTML
Q_FL
LTFL
Luftaustausch
LW-M oni tor
Q_Str Q_sol
Einstrahlung
MATLABFunction
Belegung
293
Basis_T
Aussentemp.
7
To
6
V_ML
5
Vvol l_Fe
4
V_Fe
3
Qstr_HZ
2
Qkon_HZ
1
Sim _Zeit
� Monitoring large-scale solar thermal systems for heating and cooling
zafh.net research group OffenburgFocus Solar Thermal Systems
13Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
cooling
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
View to FESTO Office Building at Esslingen
14Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences22.10.2010 14
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
Introduction Simplified Hydraulic Scheme
Total collector area: 1330 m²Slope: 30°Azimuth 18°
Gas BoilerWaste Heat
3 Coolingtowers
Buffertank
15Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences22.10.2010 15
To concrete core activation
Waste HeatRecovery
AdditionalHeat Consumers
Air Conditioning
Adsorption Chillers1 MW
ä
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
View and Data of the Solar Heating and Cooling System at FESTO
� 3 adsorptions chillers with
3 x 353 kW
� 395 thermal active foundation
pillars with 150 kW totally;
� night ventilation system.
� air compressor waste heat
16Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences22.10.2010 16
� air compressor waste heat
recovery: ca. 800 kW
� gas boiler: ca. 5 MW
� floor space: ca. 27.000 m²
� space heating and cooling
system: convective heating
system, thermal-active
building system,
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
ResultsJune 2008 until March 2010
ä
17Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences22.10.2010 17
Attention: Because of valve fail function lower demand during 06. – 15.08.08.Because of sensor error estimated 9 % thermal buffer storage losses during 15.09. - 06.10.08
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
R&D Projects
� Development of modern communication techniques using advanced tools such as weather forecasts and simulation as well as internet based services
zafh.net research group Offenburg:
Focus Non-residential Buildings
18Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
internet based services � Operation of particular buildings or
city districts applicating systems for sustainable energy services.
� Monitoring and evaluation and optimization.
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
Optimization of night ventilation by BA-integrated weather forecasts
Predictive Operation of the SIC Building
19Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
idB
weatherforecast
idB intelligent dynamic Building Automation
20Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
simulation
idB
� Simulation of different options� Weather forecast online� Evaluation of simulation results� Automatic choice of best suited
operation mode
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
SIC Experiment - Results of predictive control
with Prognosis
conventional
Energy consumption compared to conventional control
Ele
ctric
Pow
er
Consu
mption in k
Wh
conventional
predictive
1987 kWh
1224 kWhSavings: 763 kWh (38%)
21Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Ele
ctric
Pow
er
Consu
mption in k
Wh
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
Radio Transmitted Weather ForecastsUpcoming Project
22Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences
Local weather readings for optimisation
Prof. Elmar Bollin research center netUniversity of Applied Sciences Offenburg
Welcome to the poster exhibition
23Prof. Dr. Martin Becker, Dipl.-Ing. (FH) Alexander Adlhoch, M.Sc.
Biberach University of Applied Sciences